Tangyuan [YuanxiaoTangyuan] Token

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

Reentrancy in YuanxiaoTangyuanToken._transfer(address,address,uint256) (#987-1035):
External calls:
- swapAndSendOutFee(contractTokenBalance) (#1022)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1069-1075)
External calls sending eth:
- swapAndSendOutFee(contractTokenBalance) (#1022)
- address(walletCharity).transfer(bnbCharity) (#1056)
- address(walletMarketing).transfer(bnbMarketing) (#1057)
State variables written after the call(s):
- _tokenTransfer(from,to,amount,takeFee) (#1034)
- _rOwned[address(this)] = _rOwned[address(this)].add(rCharityAndMarketingFee) (#928)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#1101)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#1110)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#1102)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#1121)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#845)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#1112)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#1122)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#847)
- _tokenTransfer(from,to,amount,takeFee) (#1034)
- _rTotal = _rTotal.sub(rReward) (#875)
- _rTotal = _rTotal.sub(amount.mul(_getRate())) (#939)
- _tokenTransfer(from,to,amount,takeFee) (#1034)
- _tOwned[sender] = _tOwned[sender].sub(tAmount) (#844)
- _tOwned[sender] = _tOwned[sender].sub(tAmount) (#1120)
- _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount) (#1111)
- _tOwned[address(this)] = _tOwned[address(this)].add(tCharityAndMarketingFee) (#930)
- _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount) (#846)
- _tokenTransfer(from,to,amount,takeFee) (#1034)
- _tTotal = _tTotal.sub(amount) (#938)
Apply the check-effects-interactions pattern.

Additional information: link

YuanxiaoTangyuanToken._transfer(address,address,uint256) (#987-1035) uses a dangerous strict equality:
- launchTime == 0 && to == uniswapV2Pair (#997)
Don't use strict equality to determine if an account has enough Ether or tokens.

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Function IUniswapV2Pair.DOMAIN_SEPARATOR() (#503) is not in mixedCase
Function IUniswapV2Pair.PERMIT_TYPEHASH() (#504) is not in mixedCase
Function IUniswapV2Pair.MINIMUM_LIQUIDITY() (#521) is not in mixedCase
Function IUniswapV2Router01.WETH() (#543) is not in mixedCase
Parameter YuanxiaoTangyuanToken.setSwapEnabled(bool)._enabled (#867) is not in mixedCase
Parameter YuanxiaoTangyuanToken.calculateRewardFee(uint256)._amount (#945) is not in mixedCase
Parameter YuanxiaoTangyuanToken.calculateBurnCharityAndMarketingFee(uint256)._amount (#951) is not in mixedCase
Parameter YuanxiaoTangyuanToken.setBlacklist(address,bool)._blacklist (#1128) is not in mixedCase
Variable YuanxiaoTangyuanToken._rewardFee (#705) is not in mixedCase
Variable YuanxiaoTangyuanToken._burnFee (#708) is not in mixedCase
Variable YuanxiaoTangyuanToken._charityAndMarketingFee (#711) is not in mixedCase
Variable YuanxiaoTangyuanToken._previousCharityAndMarketingFee (#712) is not in mixedCase
Follow the Solidity naming convention.

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Redundant expression "this (#237)" inContext (#231-240)
Remove redundant statements if they congest code but offer no value.

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YuanxiaoTangyuanToken._transfer(address,address,uint256) (#987-1035) performs a multiplication on the result of a division:
-nTokenPerBNB = nTokenInPair.div(nBNBInPair).mul(10 ** 18) (#1008)
Consider ordering multiplication before division.

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YuanxiaoTangyuanToken.allowance(address,address).owner (#781) shadows:
- Ownable.owner() (#412-414) (function)
YuanxiaoTangyuanToken._approve(address,address,uint256).owner (#979) shadows:
- Ownable.owner() (#412-414) (function)
Rename the local variables that shadow another component.

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YuanxiaoTangyuanToken.setFeePercent(uint256,uint256,uint256) (#861-865) should emit an event for:
- _rewardFee = taxFee (#862)
- _burnFee = burnFee (#863)
- _charityAndMarketingFee = charityAndMarketingFee (#864)
Emit an event for critical parameter changes.

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YuanxiaoTangyuanToken.updateCharityWallet(address).account (#1041) lacks a zero-check on :
- walletCharity = account (#1042)
YuanxiaoTangyuanToken.updateMarketingWallet(address).account (#1045) lacks a zero-check on :
- walletMarketing = account (#1046)
Check that the address is not zero.

Additional information: link

Reentrancy in YuanxiaoTangyuanToken._transfer(address,address,uint256) (#987-1035):
External calls:
- swapAndSendOutFee(contractTokenBalance) (#1022)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1069-1075)
External calls sending eth:
- swapAndSendOutFee(contractTokenBalance) (#1022)
- address(walletCharity).transfer(bnbCharity) (#1056)
- address(walletMarketing).transfer(bnbMarketing) (#1057)
State variables written after the call(s):
- _tokenTransfer(from,to,amount,takeFee) (#1034)
- _burnFee = _previousBurnFee (#971)
- _burnFee = 0 (#965)
- _tokenTransfer(from,to,amount,takeFee) (#1034)
- _charityAndMarketingFee = _previousCharityAndMarketingFee (#972)
- _charityAndMarketingFee = 0 (#966)
- _tokenTransfer(from,to,amount,takeFee) (#1034)
- _previousBurnFee = _burnFee (#961)
- _tokenTransfer(from,to,amount,takeFee) (#1034)
- _previousCharityAndMarketingFee = _charityAndMarketingFee (#962)
- _tokenTransfer(from,to,amount,takeFee) (#1034)
- _previousRewardFee = _rewardFee (#960)
- _tokenTransfer(from,to,amount,takeFee) (#1034)
- _rewardFee = _previousRewardFee (#970)
- _rewardFee = 0 (#964)
- _tokenTransfer(from,to,amount,takeFee) (#1034)
- _tDistributedRewardTotal = _tDistributedRewardTotal.add(tReward) (#876)
Reentrancy in YuanxiaoTangyuanToken.constructor() (#736-753):
External calls:
- uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (#742-743)
State variables written after the call(s):
- _isExcludedFromFee[owner()] = true (#749)
- _isExcludedFromFee[address(this)] = true (#750)
- uniswapV2Router = _uniswapV2Router (#746)
Reentrancy in YuanxiaoTangyuanToken.transferFrom(address,address,uint256) (#790-794):
External calls:
- _transfer(sender,recipient,amount) (#791)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1069-1075)
External calls sending eth:
- _transfer(sender,recipient,amount) (#791)
- address(walletCharity).transfer(bnbCharity) (#1056)
- address(walletMarketing).transfer(bnbMarketing) (#1057)
State variables written after the call(s):
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#792)
- _allowances[owner][spender] = amount (#983)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in YuanxiaoTangyuanToken._transfer(address,address,uint256) (#987-1035):
External calls:
- swapAndSendOutFee(contractTokenBalance) (#1022)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1069-1075)
External calls sending eth:
- swapAndSendOutFee(contractTokenBalance) (#1022)
- address(walletCharity).transfer(bnbCharity) (#1056)
- address(walletMarketing).transfer(bnbMarketing) (#1057)
Event emitted after the call(s):
- Transfer(msg.sender,address(this),amount) (#941)
- _tokenTransfer(from,to,amount,takeFee) (#1034)
- Transfer(sender,address(this),tCharityAndMarketingFee) (#931)
- _tokenTransfer(from,to,amount,takeFee) (#1034)
- Transfer(sender,recipient,tTransferAmount) (#1105)
- _tokenTransfer(from,to,amount,takeFee) (#1034)
- Transfer(sender,recipient,tTransferAmount) (#1125)
- _tokenTransfer(from,to,amount,takeFee) (#1034)
- Transfer(sender,recipient,tTransferAmount) (#1115)
- _tokenTransfer(from,to,amount,takeFee) (#1034)
- Transfer(sender,recipient,tTransferAmount) (#850)
- _tokenTransfer(from,to,amount,takeFee) (#1034)
Reentrancy in YuanxiaoTangyuanToken.constructor() (#736-753):
External calls:
- uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (#742-743)
Event emitted after the call(s):
- Transfer(address(0),_msgSender(),_tTotal) (#752)
Reentrancy in YuanxiaoTangyuanToken.transferFrom(address,address,uint256) (#790-794):
External calls:
- _transfer(sender,recipient,amount) (#791)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1069-1075)
External calls sending eth:
- _transfer(sender,recipient,amount) (#791)
- address(walletCharity).transfer(bnbCharity) (#1056)
- address(walletMarketing).transfer(bnbMarketing) (#1057)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#984)
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#792)
Apply the check-effects-interactions pattern.

Additional information: link

Ownable.unlock() (#459-464) uses timestamp for comparisons
Dangerous comparisons:
- require(bool,string)(now > _lockTime,Contract is locked until 7 days) (#461)
YuanxiaoTangyuanToken._transfer(address,address,uint256) (#987-1035) uses timestamp for comparisons
Dangerous comparisons:
- launchTime == 0 && to == uniswapV2Pair (#997)
- antiWhaleEnable && block.timestamp > launchTime && block.timestamp < launchTime + 30 * 60 (#1005)
Avoid relying on block.timestamp.

Additional information: link

Address.isContract(address) (#264-273) uses assembly
- INLINE ASM (#271)
Address._functionCallWithValue(address,bytes,uint256,string) (#357-378) uses assembly
- INLINE ASM (#370-373)
Do not use evm assembly.

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YuanxiaoTangyuanToken.includeInReward(address) (#829-840) has costly operations inside a loop:
- _excluded.pop() (#836)
Use a local variable to hold the loop computation result.

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Address._functionCallWithValue(address,bytes,uint256,string) (#357-378) is never used and should be removed
Address.functionCall(address,bytes) (#317-319) is never used and should be removed
Address.functionCall(address,bytes,string) (#327-329) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256) (#342-344) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256,string) (#352-355) is never used and should be removed
Address.isContract(address) (#264-273) is never used and should be removed
Address.sendValue(address,uint256) (#291-297) is never used and should be removed
Context._msgData() (#236-239) is never used and should be removed
SafeMath.mod(uint256,uint256) (#209-211) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (#225-228) is never used and should be removed
Remove unused functions.

Additional information: link

YuanxiaoTangyuanToken._rTotal (#698) is set pre-construction with a non-constant function or state variable:
- (MAX - (MAX % _tTotal))
YuanxiaoTangyuanToken._previousRewardFee (#706) is set pre-construction with a non-constant function or state variable:
- _rewardFee
YuanxiaoTangyuanToken._previousBurnFee (#709) is set pre-construction with a non-constant function or state variable:
- _burnFee
YuanxiaoTangyuanToken._previousCharityAndMarketingFee (#712) is set pre-construction with a non-constant function or state variable:
- _charityAndMarketingFee
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.

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Low level call in Address.sendValue(address,uint256) (#291-297):
- (success) = recipient.call{value: amount}() (#295)
Low level call in Address._functionCallWithValue(address,bytes,uint256,string) (#357-378):
- (success,returndata) = target.call{value: weiValue}(data) (#361)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence

Additional information: link

Reentrancy in YuanxiaoTangyuanToken._transfer(address,address,uint256) (#987-1035):
External calls:
- swapAndSendOutFee(contractTokenBalance) (#1022)
- address(walletCharity).transfer(bnbCharity) (#1056)
- address(walletMarketing).transfer(bnbMarketing) (#1057)
State variables written after the call(s):
- _tokenTransfer(from,to,amount,takeFee) (#1034)
- _burnFee = _previousBurnFee (#971)
- _burnFee = 0 (#965)
- _tokenTransfer(from,to,amount,takeFee) (#1034)
- _charityAndMarketingFee = _previousCharityAndMarketingFee (#972)
- _charityAndMarketingFee = 0 (#966)
- _tokenTransfer(from,to,amount,takeFee) (#1034)
- _previousBurnFee = _burnFee (#961)
- _tokenTransfer(from,to,amount,takeFee) (#1034)
- _previousCharityAndMarketingFee = _charityAndMarketingFee (#962)
- _tokenTransfer(from,to,amount,takeFee) (#1034)
- _previousRewardFee = _rewardFee (#960)
- _tokenTransfer(from,to,amount,takeFee) (#1034)
- _rOwned[address(this)] = _rOwned[address(this)].add(rCharityAndMarketingFee) (#928)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#1101)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#1110)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#1102)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#1121)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#845)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#1112)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#1122)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#847)
- _tokenTransfer(from,to,amount,takeFee) (#1034)
- _rTotal = _rTotal.sub(rReward) (#875)
- _rTotal = _rTotal.sub(amount.mul(_getRate())) (#939)
- _tokenTransfer(from,to,amount,takeFee) (#1034)
- _rewardFee = _previousRewardFee (#970)
- _rewardFee = 0 (#964)
- _tokenTransfer(from,to,amount,takeFee) (#1034)
- _tDistributedRewardTotal = _tDistributedRewardTotal.add(tReward) (#876)
- _tokenTransfer(from,to,amount,takeFee) (#1034)
- _tOwned[sender] = _tOwned[sender].sub(tAmount) (#844)
- _tOwned[sender] = _tOwned[sender].sub(tAmount) (#1120)
- _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount) (#1111)
- _tOwned[address(this)] = _tOwned[address(this)].add(tCharityAndMarketingFee) (#930)
- _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount) (#846)
- _tokenTransfer(from,to,amount,takeFee) (#1034)
- _tTotal = _tTotal.sub(amount) (#938)
Event emitted after the call(s):
- Transfer(msg.sender,address(this),amount) (#941)
- _tokenTransfer(from,to,amount,takeFee) (#1034)
- Transfer(sender,address(this),tCharityAndMarketingFee) (#931)
- _tokenTransfer(from,to,amount,takeFee) (#1034)
- Transfer(sender,recipient,tTransferAmount) (#1105)
- _tokenTransfer(from,to,amount,takeFee) (#1034)
- Transfer(sender,recipient,tTransferAmount) (#1125)
- _tokenTransfer(from,to,amount,takeFee) (#1034)
- Transfer(sender,recipient,tTransferAmount) (#1115)
- _tokenTransfer(from,to,amount,takeFee) (#1034)
- Transfer(sender,recipient,tTransferAmount) (#850)
- _tokenTransfer(from,to,amount,takeFee) (#1034)
Reentrancy in YuanxiaoTangyuanToken.transferFrom(address,address,uint256) (#790-794):
External calls:
- _transfer(sender,recipient,amount) (#791)
- address(walletCharity).transfer(bnbCharity) (#1056)
- address(walletMarketing).transfer(bnbMarketing) (#1057)
State variables written after the call(s):
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#792)
- _allowances[owner][spender] = amount (#983)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#984)
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#792)
Apply the check-effects-interactions pattern.

Additional information: link

Variable IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountADesired (#548) is too similar to IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountBDesired (#549)
Variable YuanxiaoTangyuanToken._getRValues(uint256,uint256,uint256,uint256).rBurnCharityAndMarketingFee (#895) is too similar to YuanxiaoTangyuanToken._getTValues(uint256).tBurnCharityAndMarketingFee (#887)
Variable YuanxiaoTangyuanToken._getRValues(uint256,uint256,uint256,uint256).rBurnCharityAndMarketingFee (#895) is too similar to YuanxiaoTangyuanToken._transferBothExcluded(address,address,uint256).tBurnCharityAndMarketingFee (#843)
Variable YuanxiaoTangyuanToken._charityAndMarketingFee (#711) is too similar to YuanxiaoTangyuanToken._takeBurnCharityAndMarketingFee(uint256,address).rCharityAndMarketingFee (#927)
Variable YuanxiaoTangyuanToken._transferBothExcluded(address,address,uint256).rTransferAmount (#843) is too similar to YuanxiaoTangyuanToken._transferBothExcluded(address,address,uint256).tTransferAmount (#843)
Variable YuanxiaoTangyuanToken._transferStandard(address,address,uint256).rTransferAmount (#1100) is too similar to YuanxiaoTangyuanToken._getTValues(uint256).tTransferAmount (#888)
Variable YuanxiaoTangyuanToken._transferFromExcluded(address,address,uint256).rTransferAmount (#1119) is too similar to YuanxiaoTangyuanToken._getTValues(uint256).tTransferAmount (#888)
Variable YuanxiaoTangyuanToken._transferStandard(address,address,uint256).rTransferAmount (#1100) is too similar to YuanxiaoTangyuanToken._transferBothExcluded(address,address,uint256).tTransferAmount (#843)
Variable YuanxiaoTangyuanToken._getValues(uint256).rTransferAmount (#881) is too similar to YuanxiaoTangyuanToken._getTValues(uint256).tTransferAmount (#888)
Variable YuanxiaoTangyuanToken._transferFromExcluded(address,address,uint256).rTransferAmount (#1119) is too similar to YuanxiaoTangyuanToken._transferBothExcluded(address,address,uint256).tTransferAmount (#843)
Variable YuanxiaoTangyuanToken._transferStandard(address,address,uint256).rTransferAmount (#1100) is too similar to YuanxiaoTangyuanToken._transferFromExcluded(address,address,uint256).tTransferAmount (#1119)
Variable YuanxiaoTangyuanToken._getValues(uint256).rTransferAmount (#881) is too similar to YuanxiaoTangyuanToken._transferBothExcluded(address,address,uint256).tTransferAmount (#843)
Variable YuanxiaoTangyuanToken._transferFromExcluded(address,address,uint256).rTransferAmount (#1119) is too similar to YuanxiaoTangyuanToken._transferFromExcluded(address,address,uint256).tTransferAmount (#1119)
Variable YuanxiaoTangyuanToken._transferStandard(address,address,uint256).rTransferAmount (#1100) is too similar to YuanxiaoTangyuanToken._transferToExcluded(address,address,uint256).tTransferAmount (#1109)
Variable YuanxiaoTangyuanToken._transferFromExcluded(address,address,uint256).rTransferAmount (#1119) is too similar to YuanxiaoTangyuanToken._transferToExcluded(address,address,uint256).tTransferAmount (#1109)
Variable YuanxiaoTangyuanToken._getValues(uint256).rTransferAmount (#881) is too similar to YuanxiaoTangyuanToken._transferToExcluded(address,address,uint256).tTransferAmount (#1109)
Variable YuanxiaoTangyuanToken._getValues(uint256).rTransferAmount (#881) is too similar to YuanxiaoTangyuanToken._transferFromExcluded(address,address,uint256).tTransferAmount (#1119)
Variable YuanxiaoTangyuanToken._transferStandard(address,address,uint256).rTransferAmount (#1100) is too similar to YuanxiaoTangyuanToken._transferStandard(address,address,uint256).tTransferAmount (#1100)
Variable YuanxiaoTangyuanToken._getRValues(uint256,uint256,uint256,uint256).rTransferAmount (#896) is too similar to YuanxiaoTangyuanToken._getTValues(uint256).tTransferAmount (#888)
Variable YuanxiaoTangyuanToken._getValues(uint256).rTransferAmount (#881) is too similar to YuanxiaoTangyuanToken._transferStandard(address,address,uint256).tTransferAmount (#1100)
Variable YuanxiaoTangyuanToken._transferBothExcluded(address,address,uint256).rTransferAmount (#843) is too similar to YuanxiaoTangyuanToken._getTValues(uint256).tTransferAmount (#888)
Variable YuanxiaoTangyuanToken._getRValues(uint256,uint256,uint256,uint256).rTransferAmount (#896) is too similar to YuanxiaoTangyuanToken._transferBothExcluded(address,address,uint256).tTransferAmount (#843)
Variable YuanxiaoTangyuanToken._getRValues(uint256,uint256,uint256,uint256).rBurnCharityAndMarketingFee (#895) is too similar to YuanxiaoTangyuanToken._transferFromExcluded(address,address,uint256).tBurnCharityAndMarketingFee (#1119)
Variable YuanxiaoTangyuanToken._getRValues(uint256,uint256,uint256,uint256).rBurnCharityAndMarketingFee (#895) is too similar to YuanxiaoTangyuanToken._getRValues(uint256,uint256,uint256,uint256).tBurnCharityAndMarketingFee (#892)
Variable YuanxiaoTangyuanToken._getRValues(uint256,uint256,uint256,uint256).rBurnCharityAndMarketingFee (#895) is too similar to YuanxiaoTangyuanToken._transferStandard(address,address,uint256).tBurnCharityAndMarketingFee (#1100)
Variable YuanxiaoTangyuanToken._getRValues(uint256,uint256,uint256,uint256).rBurnCharityAndMarketingFee (#895) is too similar to YuanxiaoTangyuanToken._getValues(uint256).tBurnCharityAndMarketingFee (#880)
Variable YuanxiaoTangyuanToken._getRValues(uint256,uint256,uint256,uint256).rBurnCharityAndMarketingFee (#895) is too similar to YuanxiaoTangyuanToken._takeBurnCharityAndMarketingFee(uint256,address).tBurnCharityAndMarketingFee (#917)
Variable YuanxiaoTangyuanToken._getRValues(uint256,uint256,uint256,uint256).rBurnCharityAndMarketingFee (#895) is too similar to YuanxiaoTangyuanToken._transferToExcluded(address,address,uint256).tBurnCharityAndMarketingFee (#1109)
Variable YuanxiaoTangyuanToken._charityAndMarketingFee (#711) is too similar to YuanxiaoTangyuanToken._takeBurnCharityAndMarketingFee(uint256,address).tCharityAndMarketingFee (#922)
Variable YuanxiaoTangyuanToken._takeBurnCharityAndMarketingFee(uint256,address).rCharityAndMarketingFee (#927) is too similar to YuanxiaoTangyuanToken._takeBurnCharityAndMarketingFee(uint256,address).tCharityAndMarketingFee (#922)
Variable YuanxiaoTangyuanToken._transferToExcluded(address,address,uint256).rTransferAmount (#1109) is too similar to YuanxiaoTangyuanToken._transferFromExcluded(address,address,uint256).tTransferAmount (#1119)
Variable YuanxiaoTangyuanToken._transferToExcluded(address,address,uint256).rTransferAmount (#1109) is too similar to YuanxiaoTangyuanToken._getValues(uint256).tTransferAmount (#880)
Variable YuanxiaoTangyuanToken._transferStandard(address,address,uint256).rTransferAmount (#1100) is too similar to YuanxiaoTangyuanToken._getValues(uint256).tTransferAmount (#880)
Variable YuanxiaoTangyuanToken._transferToExcluded(address,address,uint256).rTransferAmount (#1109) is too similar to YuanxiaoTangyuanToken._getTValues(uint256).tTransferAmount (#888)
Variable YuanxiaoTangyuanToken._getRValues(uint256,uint256,uint256,uint256).rTransferAmount (#896) is too similar to YuanxiaoTangyuanToken._transferStandard(address,address,uint256).tTransferAmount (#1100)
Variable YuanxiaoTangyuanToken._transferToExcluded(address,address,uint256).rTransferAmount (#1109) is too similar to YuanxiaoTangyuanToken._transferToExcluded(address,address,uint256).tTransferAmount (#1109)
Variable YuanxiaoTangyuanToken._transferBothExcluded(address,address,uint256).rTransferAmount (#843) is too similar to YuanxiaoTangyuanToken._transferStandard(address,address,uint256).tTransferAmount (#1100)
Variable YuanxiaoTangyuanToken._getRValues(uint256,uint256,uint256,uint256).rTransferAmount (#896) is too similar to YuanxiaoTangyuanToken._transferFromExcluded(address,address,uint256).tTransferAmount (#1119)
Variable YuanxiaoTangyuanToken._getRValues(uint256,uint256,uint256,uint256).rTransferAmount (#896) is too similar to YuanxiaoTangyuanToken._getValues(uint256).tTransferAmount (#880)
Variable YuanxiaoTangyuanToken._transferFromExcluded(address,address,uint256).rTransferAmount (#1119) is too similar to YuanxiaoTangyuanToken._transferStandard(address,address,uint256).tTransferAmount (#1100)
Variable YuanxiaoTangyuanToken._transferBothExcluded(address,address,uint256).rTransferAmount (#843) is too similar to YuanxiaoTangyuanToken._transferFromExcluded(address,address,uint256).tTransferAmount (#1119)
Variable YuanxiaoTangyuanToken._transferBothExcluded(address,address,uint256).rTransferAmount (#843) is too similar to YuanxiaoTangyuanToken._getValues(uint256).tTransferAmount (#880)
Variable YuanxiaoTangyuanToken._transferToExcluded(address,address,uint256).rTransferAmount (#1109) is too similar to YuanxiaoTangyuanToken._transferBothExcluded(address,address,uint256).tTransferAmount (#843)
Variable YuanxiaoTangyuanToken._getRValues(uint256,uint256,uint256,uint256).rTransferAmount (#896) is too similar to YuanxiaoTangyuanToken._transferToExcluded(address,address,uint256).tTransferAmount (#1109)
Variable YuanxiaoTangyuanToken._transferFromExcluded(address,address,uint256).rTransferAmount (#1119) is too similar to YuanxiaoTangyuanToken._getValues(uint256).tTransferAmount (#880)
Variable YuanxiaoTangyuanToken._transferBothExcluded(address,address,uint256).rTransferAmount (#843) is too similar to YuanxiaoTangyuanToken._transferToExcluded(address,address,uint256).tTransferAmount (#1109)
Variable YuanxiaoTangyuanToken._transferToExcluded(address,address,uint256).rTransferAmount (#1109) is too similar to YuanxiaoTangyuanToken._transferStandard(address,address,uint256).tTransferAmount (#1100)
Variable YuanxiaoTangyuanToken._getValues(uint256).rTransferAmount (#881) is too similar to YuanxiaoTangyuanToken._getValues(uint256).tTransferAmount (#880)
Prevent variables from having similar names.

Additional information: link

YuanxiaoTangyuanToken.slitherConstructorVariables() (#681-1136) uses literals with too many digits:
- _tTotal = 10000000000 * 10 ** 18 (#697)
YuanxiaoTangyuanToken.slitherConstructorVariables() (#681-1136) uses literals with too many digits:
- numTokenSwapThreshold = 500000 * 10 ** 18 (#724)
YuanxiaoTangyuanToken.slitherConstructorVariables() (#681-1136) uses literals with too many digits:
- deadAddress = 0x000000000000000000000000000000000000dEaD (#726)
Use: Ether suffix, Time suffix, or The scientific notation

Additional information: link

YuanxiaoTangyuanToken.deadAddress (#726) is never used in YuanxiaoTangyuanToken (#681-1136)
Remove unused state variables.

Additional information: link

YuanxiaoTangyuanToken._decimals (#703) should be constant
YuanxiaoTangyuanToken._name (#701) should be constant
YuanxiaoTangyuanToken._symbol (#702) should be constant
YuanxiaoTangyuanToken.deadAddress (#726) should be constant
YuanxiaoTangyuanToken.numTokenSwapThreshold (#724) should be constant
Add the constant attributes to state variables that never change.

Additional information: link

renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (#431-434)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (#440-444)
geUnlockTime() should be declared external:
- Ownable.geUnlockTime() (#446-448)
lock(uint256) should be declared external:
- Ownable.lock(uint256) (#451-456)
unlock() should be declared external:
- Ownable.unlock() (#459-464)
name() should be declared external:
- YuanxiaoTangyuanToken.name() (#755-757)
symbol() should be declared external:
- YuanxiaoTangyuanToken.symbol() (#759-761)
decimals() should be declared external:
- YuanxiaoTangyuanToken.decimals() (#763-765)
totalSupply() should be declared external:
- YuanxiaoTangyuanToken.totalSupply() (#767-769)
transfer(address,uint256) should be declared external:
- YuanxiaoTangyuanToken.transfer(address,uint256) (#776-779)
allowance(address,address) should be declared external:
- YuanxiaoTangyuanToken.allowance(address,address) (#781-783)
approve(address,uint256) should be declared external:
- YuanxiaoTangyuanToken.approve(address,uint256) (#785-788)
transferFrom(address,address,uint256) should be declared external:
- YuanxiaoTangyuanToken.transferFrom(address,address,uint256) (#790-794)
increaseAllowance(address,uint256) should be declared external:
- YuanxiaoTangyuanToken.increaseAllowance(address,uint256) (#796-799)
decreaseAllowance(address,uint256) should be declared external:
- YuanxiaoTangyuanToken.decreaseAllowance(address,uint256) (#801-804)
isExcludedFromReward(address) should be declared external:
- YuanxiaoTangyuanToken.isExcludedFromReward(address) (#806-808)
totalRewardDistributed() should be declared external:
- YuanxiaoTangyuanToken.totalRewardDistributed() (#810-812)
excludeFromReward(address) should be declared external:
- YuanxiaoTangyuanToken.excludeFromReward(address) (#820-827)
excludeFromFee(address) should be declared external:
- YuanxiaoTangyuanToken.excludeFromFee(address) (#853-855)
includeInFee(address) should be declared external:
- YuanxiaoTangyuanToken.includeInFee(address) (#857-859)
setSwapEnabled(bool) should be declared external:
- YuanxiaoTangyuanToken.setSwapEnabled(bool) (#867-869)
isExcludedFromFee(address) should be declared external:
- YuanxiaoTangyuanToken.isExcludedFromFee(address) (#975-977)
enableAntiWhale(bool) should be declared external:
- YuanxiaoTangyuanToken.enableAntiWhale(bool) (#1037-1039)
updateCharityWallet(address) should be declared external:
- YuanxiaoTangyuanToken.updateCharityWallet(address) (#1041-1043)
updateMarketingWallet(address) should be declared external:
- YuanxiaoTangyuanToken.updateMarketingWallet(address) (#1045-1047)
setBlacklist(address,bool) should be declared external:
- YuanxiaoTangyuanToken.setBlacklist(address,bool) (#1128-1130)
isInBlacklist(address) should be declared external:
- YuanxiaoTangyuanToken.isInBlacklist(address) (#1132-1134)
Use the external attribute for functions never called from the contract.

Additional information: link

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. Ignore for presale.

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

Additional information: link

Unable to find token/project description on the website or on BscScan, CoinMarketCap

Unable to find token contract audit

Unable to find audit link on the website

Unable to find whitepaper link on the website

Unable to find Twitter link on the website

Unable to find token on CoinGecko

Additional information: link

Unable to find token on CoinMarketCap

Additional information: link

Unable to find token on CoinHunt

Additional information: link

Unable to find code repository for the project

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

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

Token has no active CoinGecko listing / rank

Token has no active CoinMarketCap listing / rank