Fields [Virtualfields] Token

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

Reentrancy in Virtualfields._transfer(address,address,uint256) (#986-1022):
External calls:
- swapAndLiquify(contractTokenBalance) (#1018)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1082-1089)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,_to,block.timestamp) (#1069-1075)
External calls sending eth:
- swapAndLiquify(contractTokenBalance) (#1018)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1082-1089)
State variables written after the call(s):
- _tokenTransfer(from,to,amount) (#1021)
- _charityFee = _previousCharityFee (#970)
- _charityFee = 0 (#964)
- _charityFee = charityFee (#1223)
- _tokenTransfer(from,to,amount) (#1021)
- _devFee = 0 (#963)
- _devFee = devFee (#1222)
- _devFee = _previousDevFee (#971)
- _tokenTransfer(from,to,amount) (#1021)
- _liquidityFee = _previousLiquidityFee (#969)
- _liquidityFee = 0 (#962)
- _liquidityFee = liquidityFee (#1221)
- _tokenTransfer(from,to,amount) (#1021)
- _rOwned[address(this)] = _rOwned[address(this)].add(rLiquidity) (#942)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#1168)
- _rOwned[address(this)] = _rOwned[address(this)].add(rDev) (#1148)
- _rOwned[address(this)] = _rOwned[address(this)].add(rCharity) (#1161)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#885)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#1179)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#1170)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#1133)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#1180)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#887)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#1134)
- _tokenTransfer(from,to,amount) (#1021)
- _rTotal = _rTotal.sub(rFee) (#897)
- _tokenTransfer(from,to,amount) (#1021)
- _tOwned[address(this)] = _tOwned[address(this)].add(tLiquidity) (#944)
- _tOwned[sender] = _tOwned[sender].sub(tAmount) (#884)
- _tOwned[sender] = _tOwned[sender].sub(tAmount) (#1178)
- _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount) (#1169)
- _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount) (#886)
Reentrancy in Virtualfields.swapAndLiquify(uint256) (#1024-1055):
External calls:
- swapTokensForBnb(half,address(this)) (#1040)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,_to,block.timestamp) (#1069-1075)
- addLiquidity(otherHalf,newBalance) (#1046)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1082-1089)
- swapTokensForBnb(tokensForDev,devWallet) (#1049)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,_to,block.timestamp) (#1069-1075)
External calls sending eth:
- addLiquidity(otherHalf,newBalance) (#1046)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1082-1089)
State variables written after the call(s):
- swapTokensForBnb(tokensForDev,devWallet) (#1049)
- _allowances[owner][spender] = amount (#982)
Reentrancy in Virtualfields.swapAndLiquify(uint256) (#1024-1055):
External calls:
- swapTokensForBnb(half,address(this)) (#1040)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,_to,block.timestamp) (#1069-1075)
- addLiquidity(otherHalf,newBalance) (#1046)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1082-1089)
- swapTokensForBnb(tokensForDev,devWallet) (#1049)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,_to,block.timestamp) (#1069-1075)
- swapTokensForBnb(tokensForCharity,charityWallet) (#1052)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,_to,block.timestamp) (#1069-1075)
External calls sending eth:
- addLiquidity(otherHalf,newBalance) (#1046)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1082-1089)
State variables written after the call(s):
- swapTokensForBnb(tokensForCharity,charityWallet) (#1052)
- _allowances[owner][spender] = amount (#982)
Reentrancy in Virtualfields.transferFrom(address,address,uint256) (#810-814):
External calls:
- _transfer(sender,recipient,amount) (#811)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1082-1089)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,_to,block.timestamp) (#1069-1075)
External calls sending eth:
- _transfer(sender,recipient,amount) (#811)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1082-1089)
State variables written after the call(s):
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#812)
- _allowances[owner][spender] = amount (#982)
Apply the check-effects-interactions pattern.

Additional information: link

Virtualfields.takeDev(address,uint256,uint256,uint256) (#1140-1151) performs a multiplication on the result of a division:
-tDev = tAmount.div(100).mul(_devFee) (#1144)
Virtualfields.takeCharity(address,uint256,uint256,uint256) (#1153-1164) performs a multiplication on the result of a division:
-tCharity = tAmount.div(100).mul(_charityFee) (#1157)
Consider ordering multiplication before division.

Additional information: link

Virtualfields.addLiquidity(uint256,uint256) (#1079-1091) ignores return value by uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1082-1089)
Ensure that all the return values of the function calls are used.

Additional information: link

Virtualfields.constructor(address)._owner (#758) shadows:
- Ownable._owner (#396) (state variable)
Virtualfields.allowance(address,address).owner (#801) shadows:
- Ownable.owner() (#414-416) (function)
Virtualfields._approve(address,address,uint256).owner (#978) shadows:
- Ownable.owner() (#414-416) (function)
Rename the local variables that shadow another component.

Additional information: link

Virtualfields.changeCooldownSettings(bool,uint256) (#1196-1199) should emit an event for:
- cooldownTimerInterval = newInterval (#1198)
Virtualfields.setBuyFees(uint256,uint256,uint256,uint256) (#1227-1234) should emit an event for:
- _previousTaxFee = taxFee (#1230)
- _previousLiquidityFee = liquidityFee (#1231)
- _previousCharityFee = charityFee (#1232)
- _previousDevFee = devFee (#1233)
Virtualfields.setSaleFees(uint256,uint256,uint256,uint256) (#1237-1243) should emit an event for:
- _saleTaxFee = taxFee (#1239)
- _saleLiquidityFee = liquidityFee (#1240)
- _saleDevFee = devFee (#1241)
- _saleCharityFee = charityFee (#1242)
Virtualfields.setMinimumTokensBeforeSwap(uint256) (#1246-1248) should emit an event for:
- minimumTokensBeforeSwap = newAmt * (10 ** 18) (#1247)
Virtualfields.setMaxWalletTokend(uint256) (#1250-1252) should emit an event for:
- maxWalletToken = _maxToken * (10 ** 18) (#1251)
Virtualfields.setMaxTxAmount(uint256) (#1254-1257) should emit an event for:
- _maxTxAmount = maxTxAmount * (10 ** 18) (#1256)
Emit an event for critical parameter changes.

Additional information: link

Virtualfields.setDevWallet(address).newWallet (#1211) lacks a zero-check on :
- devWallet = newWallet (#1212)
Virtualfields.setCharityWallet(address).newWallet (#1215) lacks a zero-check on :
- charityWallet = newWallet (#1216)
Virtualfields.withdrawStuckBNB(address,uint256)._to (#1259) lacks a zero-check on :
- _to.transfer(_amountInWei) (#1260)
Check that the address is not zero.

Additional information: link

Reentrancy in Virtualfields._transfer(address,address,uint256) (#986-1022):
External calls:
- swapAndLiquify(contractTokenBalance) (#1018)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1082-1089)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,_to,block.timestamp) (#1069-1075)
External calls sending eth:
- swapAndLiquify(contractTokenBalance) (#1018)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1082-1089)
State variables written after the call(s):
- _tokenTransfer(from,to,amount) (#1021)
- _tFeeTotal = _tFeeTotal.add(tFee) (#898)
- _tokenTransfer(from,to,amount) (#1021)
- _taxFee = taxFee (#1220)
- _taxFee = 0 (#961)
- _taxFee = _previousTaxFee (#968)
Reentrancy in Virtualfields.constructor(address) (#758-773):
External calls:
- uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (#763-764)
State variables written after the call(s):
- _isExcludedFromFee[_owner] = true (#768)
- _isExcludedFromFee[devWallet] = true (#769)
- _isExcludedFromFee[charityWallet] = true (#770)
- _isExcludedFromFee[address(this)] = true (#771)
- uniswapV2Router = _uniswapV2Router (#766)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in Virtualfields._transfer(address,address,uint256) (#986-1022):
External calls:
- swapAndLiquify(contractTokenBalance) (#1018)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1082-1089)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,_to,block.timestamp) (#1069-1075)
External calls sending eth:
- swapAndLiquify(contractTokenBalance) (#1018)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1082-1089)
Event emitted after the call(s):
- Transfer(sender,address(this),tDev) (#1149)
- _tokenTransfer(from,to,amount) (#1021)
- Transfer(sender,address(this),tCharity) (#1162)
- _tokenTransfer(from,to,amount) (#1021)
- Transfer(sender,recipient,tTransferAmount) (#1173)
- _tokenTransfer(from,to,amount) (#1021)
- Transfer(sender,recipient,tTransferAmount) (#1183)
- _tokenTransfer(from,to,amount) (#1021)
- Transfer(sender,recipient,tTransferAmount) (#890)
- _tokenTransfer(from,to,amount) (#1021)
- Transfer(sender,recipient,tTransferAmount) (#1137)
- _tokenTransfer(from,to,amount) (#1021)
Reentrancy in Virtualfields.constructor(address) (#758-773):
External calls:
- uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (#763-764)
Event emitted after the call(s):
- Transfer(address(0),_owner,_tTotal) (#772)
Reentrancy in Virtualfields.swapAndLiquify(uint256) (#1024-1055):
External calls:
- swapTokensForBnb(half,address(this)) (#1040)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,_to,block.timestamp) (#1069-1075)
- addLiquidity(otherHalf,newBalance) (#1046)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1082-1089)
- swapTokensForBnb(tokensForDev,devWallet) (#1049)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,_to,block.timestamp) (#1069-1075)
External calls sending eth:
- addLiquidity(otherHalf,newBalance) (#1046)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1082-1089)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#983)
- swapTokensForBnb(tokensForDev,devWallet) (#1049)
Reentrancy in Virtualfields.swapAndLiquify(uint256) (#1024-1055):
External calls:
- swapTokensForBnb(half,address(this)) (#1040)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,_to,block.timestamp) (#1069-1075)
- addLiquidity(otherHalf,newBalance) (#1046)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1082-1089)
- swapTokensForBnb(tokensForDev,devWallet) (#1049)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,_to,block.timestamp) (#1069-1075)
- swapTokensForBnb(tokensForCharity,charityWallet) (#1052)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,_to,block.timestamp) (#1069-1075)
External calls sending eth:
- addLiquidity(otherHalf,newBalance) (#1046)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1082-1089)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#983)
- swapTokensForBnb(tokensForCharity,charityWallet) (#1052)
- SwapAndLiquify(half,newBalance) (#1054)
Reentrancy in Virtualfields.transferFrom(address,address,uint256) (#810-814):
External calls:
- _transfer(sender,recipient,amount) (#811)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1082-1089)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,_to,block.timestamp) (#1069-1075)
External calls sending eth:
- _transfer(sender,recipient,amount) (#811)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1082-1089)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#983)
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#812)
Apply the check-effects-interactions pattern.

Additional information: link

Ownable.unlock() (#461-466) uses timestamp for comparisons
Dangerous comparisons:
- require(bool,string)(block.timestamp > _lockTime,Contract is locked until 7 days) (#463)
Virtualfields._transfer(address,address,uint256) (#986-1022) uses timestamp for comparisons
Dangerous comparisons:
- require(bool)(cooldown[to] < block.timestamp) (#995)
Avoid relying on block.timestamp.

Additional information: link

Address.isContract(address) (#266-275) uses assembly
- INLINE ASM (#273)
Address._functionCallWithValue(address,bytes,uint256,string) (#359-380) uses assembly
- INLINE ASM (#372-375)
Do not use evm assembly.

Additional information: link

Virtualfields.includeInReward(address) (#869-880) has costly operations inside a loop:
- _excluded.pop() (#876)
Use a local variable to hold the loop computation result.

Additional information: link

Address._functionCallWithValue(address,bytes,uint256,string) (#359-380) is never used and should be removed
Address.functionCall(address,bytes) (#319-321) is never used and should be removed
Address.functionCall(address,bytes,string) (#329-331) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256) (#344-346) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256,string) (#354-357) is never used and should be removed
Address.isContract(address) (#266-275) is never used and should be removed
Address.sendValue(address,uint256) (#293-299) is never used and should be removed
Context._msgData() (#10-13) is never used and should be removed
SafeMath.mod(uint256,uint256) (#222-224) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (#238-241) is never used and should be removed
Remove unused functions.

Additional information: link

Virtualfields._rTotal (#701) is set pre-construction with a non-constant function or state variable:
- (MAX - (MAX % _tTotal))
Virtualfields._previousTaxFee (#712) is set pre-construction with a non-constant function or state variable:
- _taxFee
Virtualfields._previousLiquidityFee (#715) is set pre-construction with a non-constant function or state variable:
- _liquidityFee
Virtualfields._previousCharityFee (#718) is set pre-construction with a non-constant function or state variable:
- _charityFee
Virtualfields._previousDevFee (#721) is set pre-construction with a non-constant function or state variable:
- _devFee
Remove any initialization of state variables via non-constant state variables or function calls. If variables must be set upon contract deployment, locate initialization in the constructor instead.

Additional information: link

Pragma version0.8.9 (#3) necessitates a version too recent to be trusted. Consider deploying with 0.6.12/0.7.6/0.8.7
solc-0.8.9 is not recommended for deployment
Deploy with any of the following Solidity versions: 0.5.16 - 0.5.17, 0.6.11 - 0.6.12, 0.7.5 - 0.7.6 Use a simple pragma version that allows any of these versions. Consider using the latest version of Solidity for testing.

Additional information: link

Low level call in Address.sendValue(address,uint256) (#293-299):
- (success) = recipient.call{value: amount}() (#297)
Low level call in Address._functionCallWithValue(address,bytes,uint256,string) (#359-380):
- (success,returndata) = target.call{value: weiValue}(data) (#363)
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() (#505) is not in mixedCase
Function IUniswapV2Pair.PERMIT_TYPEHASH() (#506) is not in mixedCase
Function IUniswapV2Pair.MINIMUM_LIQUIDITY() (#522) is not in mixedCase
Function IUniswapV2Router01.WETH() (#543) is not in mixedCase
Parameter Virtualfields.calculateLiquidityFee(uint256)._amount (#947) is not in mixedCase
Parameter Virtualfields.calculateTaxFee(uint256)._amount (#953) is not in mixedCase
Parameter Virtualfields.swapTokensForBnb(uint256,address)._to (#1057) is not in mixedCase
Parameter Virtualfields.setMaxWalletTokend(uint256)._maxToken (#1250) is not in mixedCase
Parameter Virtualfields.withdrawStuckBNB(address,uint256)._to (#1259) is not in mixedCase
Parameter Virtualfields.withdrawStuckBNB(address,uint256)._amountInWei (#1259) is not in mixedCase
Parameter Virtualfields.setSwapAndLiquifyEnabled(bool)._enabled (#1263) is not in mixedCase
Variable Virtualfields._taxFee (#711) is not in mixedCase
Variable Virtualfields._liquidityFee (#714) is not in mixedCase
Variable Virtualfields._charityFee (#717) is not in mixedCase
Variable Virtualfields._devFee (#720) is not in mixedCase
Variable Virtualfields._saleTaxFee (#724) is not in mixedCase
Variable Virtualfields._saleLiquidityFee (#725) is not in mixedCase
Variable Virtualfields._saleDevFee (#726) is not in mixedCase
Variable Virtualfields._saleCharityFee (#727) is not in mixedCase
Variable Virtualfields._maxTxAmount (#741) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

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

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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 Virtualfields._getRValues(uint256,uint256,uint256,uint256).rTransferAmount (#918) is too similar to Virtualfields._transferFromExcluded(address,address,uint256).tTransferAmount (#1177)
Variable Virtualfields._getRValues(uint256,uint256,uint256,uint256).rTransferAmount (#918) is too similar to Virtualfields._transferToExcluded(address,address,uint256).tTransferAmount (#1167)
Variable Virtualfields._transferBothExcluded(address,address,uint256).rTransferAmount (#883) is too similar to Virtualfields._transferFromExcluded(address,address,uint256).tTransferAmount (#1177)
Variable Virtualfields._getRValues(uint256,uint256,uint256,uint256).rTransferAmount (#918) is too similar to Virtualfields._transferStandard(address,address,uint256).tTransferAmount (#1130)
Variable Virtualfields._getRValues(uint256,uint256,uint256,uint256).rTransferAmount (#918) is too similar to Virtualfields._getTValues(uint256).tTransferAmount (#910)
Variable Virtualfields._getRValues(uint256,uint256,uint256,uint256).rTransferAmount (#918) is too similar to Virtualfields.takeDev(address,uint256,uint256,uint256).tTransferAmount (#1140)
Variable Virtualfields._transferFromExcluded(address,address,uint256).rTransferAmount (#1177) is too similar to Virtualfields._transferFromExcluded(address,address,uint256).tTransferAmount (#1177)
Variable Virtualfields._getValues(uint256).rTransferAmount (#903) is too similar to Virtualfields._transferFromExcluded(address,address,uint256).tTransferAmount (#1177)
Variable Virtualfields.takeDev(address,uint256,uint256,uint256).rTransferAmount (#1140) is too similar to Virtualfields._transferFromExcluded(address,address,uint256).tTransferAmount (#1177)
Variable Virtualfields._getValues(uint256).rTransferAmount (#903) is too similar to Virtualfields._transferToExcluded(address,address,uint256).tTransferAmount (#1167)
Variable Virtualfields._transferBothExcluded(address,address,uint256).rTransferAmount (#883) is too similar to Virtualfields.takeDev(address,uint256,uint256,uint256).tTransferAmount (#1140)
Variable Virtualfields._getValues(uint256).rTransferAmount (#903) is too similar to Virtualfields._transferStandard(address,address,uint256).tTransferAmount (#1130)
Variable Virtualfields._getValues(uint256).rTransferAmount (#903) is too similar to Virtualfields._getTValues(uint256).tTransferAmount (#910)
Variable Virtualfields.takeDev(address,uint256,uint256,uint256).rTransferAmount (#1140) is too similar to Virtualfields._transferStandard(address,address,uint256).tTransferAmount (#1130)
Variable Virtualfields.takeDev(address,uint256,uint256,uint256).rTransferAmount (#1140) is too similar to Virtualfields._getTValues(uint256).tTransferAmount (#910)
Variable Virtualfields.takeCharity(address,uint256,uint256,uint256).rTransferAmount (#1153) is too similar to Virtualfields._transferFromExcluded(address,address,uint256).tTransferAmount (#1177)
Variable Virtualfields._transferToExcluded(address,address,uint256).rTransferAmount (#1167) is too similar to Virtualfields._transferFromExcluded(address,address,uint256).tTransferAmount (#1177)
Variable Virtualfields._transferFromExcluded(address,address,uint256).rTransferAmount (#1177) is too similar to Virtualfields.takeDev(address,uint256,uint256,uint256).tTransferAmount (#1140)
Variable Virtualfields.takeCharity(address,uint256,uint256,uint256).rTransferAmount (#1153) is too similar to Virtualfields._transferToExcluded(address,address,uint256).tTransferAmount (#1167)
Variable Virtualfields._getValues(uint256).rTransferAmount (#903) is too similar to Virtualfields.takeDev(address,uint256,uint256,uint256).tTransferAmount (#1140)
Variable Virtualfields.takeCharity(address,uint256,uint256,uint256).rTransferAmount (#1153) is too similar to Virtualfields._transferStandard(address,address,uint256).tTransferAmount (#1130)
Variable Virtualfields.takeCharity(address,uint256,uint256,uint256).rTransferAmount (#1153) is too similar to Virtualfields._getTValues(uint256).tTransferAmount (#910)
Variable Virtualfields._transferToExcluded(address,address,uint256).rTransferAmount (#1167) is too similar to Virtualfields._transferToExcluded(address,address,uint256).tTransferAmount (#1167)
Variable Virtualfields._transferToExcluded(address,address,uint256).rTransferAmount (#1167) is too similar to Virtualfields._transferStandard(address,address,uint256).tTransferAmount (#1130)
Variable Virtualfields._transferToExcluded(address,address,uint256).rTransferAmount (#1167) is too similar to Virtualfields._getTValues(uint256).tTransferAmount (#910)
Variable Virtualfields.takeDev(address,uint256,uint256,uint256).rTransferAmount (#1140) is too similar to Virtualfields.takeDev(address,uint256,uint256,uint256).tTransferAmount (#1140)
Variable Virtualfields._transferToExcluded(address,address,uint256).rTransferAmount (#1167) is too similar to Virtualfields.takeDev(address,uint256,uint256,uint256).tTransferAmount (#1140)
Variable Virtualfields.takeCharity(address,uint256,uint256,uint256).rTransferAmount (#1153) is too similar to Virtualfields.takeDev(address,uint256,uint256,uint256).tTransferAmount (#1140)
Variable Virtualfields._getRValues(uint256,uint256,uint256,uint256).rTransferAmount (#918) is too similar to Virtualfields._transferBothExcluded(address,address,uint256).tTransferAmount (#883)
Variable Virtualfields.reflectionFromToken(uint256,bool).rTransferAmount (#849) is too similar to Virtualfields._transferToExcluded(address,address,uint256).tTransferAmount (#1167)
Variable Virtualfields.reflectionFromToken(uint256,bool).rTransferAmount (#849) is too similar to Virtualfields._transferStandard(address,address,uint256).tTransferAmount (#1130)
Variable Virtualfields.reflectionFromToken(uint256,bool).rTransferAmount (#849) is too similar to Virtualfields._getTValues(uint256).tTransferAmount (#910)
Variable Virtualfields.reflectionFromToken(uint256,bool).rTransferAmount (#849) is too similar to Virtualfields._transferFromExcluded(address,address,uint256).tTransferAmount (#1177)
Variable Virtualfields._transferStandard(address,address,uint256).rTransferAmount (#1130) is too similar to Virtualfields._transferFromExcluded(address,address,uint256).tTransferAmount (#1177)
Variable Virtualfields._transferBothExcluded(address,address,uint256).rTransferAmount (#883) is too similar to Virtualfields._transferBothExcluded(address,address,uint256).tTransferAmount (#883)
Variable Virtualfields.reflectionFromToken(uint256,bool).rTransferAmount (#849) is too similar to Virtualfields.takeDev(address,uint256,uint256,uint256).tTransferAmount (#1140)
Variable Virtualfields._transferStandard(address,address,uint256).rTransferAmount (#1130) is too similar to Virtualfields._transferStandard(address,address,uint256).tTransferAmount (#1130)
Variable Virtualfields._getValues(uint256).rTransferAmount (#903) is too similar to Virtualfields._transferBothExcluded(address,address,uint256).tTransferAmount (#883)
Variable Virtualfields._transferStandard(address,address,uint256).rTransferAmount (#1130) is too similar to Virtualfields._getTValues(uint256).tTransferAmount (#910)
Variable Virtualfields.takeDev(address,uint256,uint256,uint256).rTransferAmount (#1140) is too similar to Virtualfields._transferBothExcluded(address,address,uint256).tTransferAmount (#883)
Variable Virtualfields._transferFromExcluded(address,address,uint256).rTransferAmount (#1177) is too similar to Virtualfields._transferBothExcluded(address,address,uint256).tTransferAmount (#883)
Variable Virtualfields._transferStandard(address,address,uint256).rTransferAmount (#1130) is too similar to Virtualfields.takeDev(address,uint256,uint256,uint256).tTransferAmount (#1140)
Variable Virtualfields.takeCharity(address,uint256,uint256,uint256).rTransferAmount (#1153) is too similar to Virtualfields._transferBothExcluded(address,address,uint256).tTransferAmount (#883)
Variable Virtualfields._transferToExcluded(address,address,uint256).rTransferAmount (#1167) is too similar to Virtualfields._transferBothExcluded(address,address,uint256).tTransferAmount (#883)
Variable Virtualfields._transferStandard(address,address,uint256).rTransferAmount (#1130) is too similar to Virtualfields._transferBothExcluded(address,address,uint256).tTransferAmount (#883)
Variable Virtualfields.reflectionFromToken(uint256,bool).rTransferAmount (#849) is too similar to Virtualfields._transferBothExcluded(address,address,uint256).tTransferAmount (#883)
Variable Virtualfields._transferBothExcluded(address,address,uint256).rTransferAmount (#883) is too similar to Virtualfields._transferStandard(address,address,uint256).tTransferAmount (#1130)
Variable Virtualfields.takeCharity(address,uint256,uint256,uint256).rTransferAmount (#1153) is too similar to Virtualfields.takeCharity(address,uint256,uint256,uint256).tTransferAmount (#1153)
Variable Virtualfields.takeCharity(address,uint256,uint256,uint256).rTransferAmount (#1153) is too similar to Virtualfields._getValues(uint256).tTransferAmount (#902)
Variable Virtualfields._transferFromExcluded(address,address,uint256).rTransferAmount (#1177) is too similar to Virtualfields._getValues(uint256).tTransferAmount (#902)
Variable Virtualfields._transferFromExcluded(address,address,uint256).rTransferAmount (#1177) is too similar to Virtualfields.takeCharity(address,uint256,uint256,uint256).tTransferAmount (#1153)
Variable Virtualfields._transferBothExcluded(address,address,uint256).rTransferAmount (#883) is too similar to Virtualfields._getTValues(uint256).tTransferAmount (#910)
Variable Virtualfields._transferToExcluded(address,address,uint256).rTransferAmount (#1167) is too similar to Virtualfields.takeCharity(address,uint256,uint256,uint256).tTransferAmount (#1153)
Variable Virtualfields._transferToExcluded(address,address,uint256).rTransferAmount (#1167) is too similar to Virtualfields._getValues(uint256).tTransferAmount (#902)
Variable Virtualfields._transferStandard(address,address,uint256).rTransferAmount (#1130) is too similar to Virtualfields._getValues(uint256).tTransferAmount (#902)
Variable Virtualfields._transferStandard(address,address,uint256).rTransferAmount (#1130) is too similar to Virtualfields.takeCharity(address,uint256,uint256,uint256).tTransferAmount (#1153)
Variable Virtualfields.reflectionFromToken(uint256,bool).rTransferAmount (#849) is too similar to Virtualfields.takeCharity(address,uint256,uint256,uint256).tTransferAmount (#1153)
Variable Virtualfields._transferFromExcluded(address,address,uint256).rTransferAmount (#1177) is too similar to Virtualfields._transferToExcluded(address,address,uint256).tTransferAmount (#1167)
Variable Virtualfields._transferFromExcluded(address,address,uint256).rTransferAmount (#1177) is too similar to Virtualfields._getTValues(uint256).tTransferAmount (#910)
Variable Virtualfields._transferStandard(address,address,uint256).rTransferAmount (#1130) is too similar to Virtualfields._transferToExcluded(address,address,uint256).tTransferAmount (#1167)
Variable Virtualfields._transferFromExcluded(address,address,uint256).rTransferAmount (#1177) is too similar to Virtualfields._transferStandard(address,address,uint256).tTransferAmount (#1130)
Variable Virtualfields.takeDev(address,uint256,uint256,uint256).rTransferAmount (#1140) is too similar to Virtualfields.takeCharity(address,uint256,uint256,uint256).tTransferAmount (#1153)
Variable Virtualfields.takeDev(address,uint256,uint256,uint256).rTransferAmount (#1140) is too similar to Virtualfields._getValues(uint256).tTransferAmount (#902)
Variable Virtualfields._getValues(uint256).rTransferAmount (#903) is too similar to Virtualfields._getValues(uint256).tTransferAmount (#902)
Variable Virtualfields._getValues(uint256).rTransferAmount (#903) is too similar to Virtualfields.takeCharity(address,uint256,uint256,uint256).tTransferAmount (#1153)
Variable Virtualfields.takeDev(address,uint256,uint256,uint256).rTransferAmount (#1140) is too similar to Virtualfields._transferToExcluded(address,address,uint256).tTransferAmount (#1167)
Variable Virtualfields._transferBothExcluded(address,address,uint256).rTransferAmount (#883) is too similar to Virtualfields._getValues(uint256).tTransferAmount (#902)
Variable Virtualfields._transferBothExcluded(address,address,uint256).rTransferAmount (#883) is too similar to Virtualfields.takeCharity(address,uint256,uint256,uint256).tTransferAmount (#1153)
Variable Virtualfields._getRValues(uint256,uint256,uint256,uint256).rTransferAmount (#918) is too similar to Virtualfields.takeCharity(address,uint256,uint256,uint256).tTransferAmount (#1153)
Variable Virtualfields.reflectionFromToken(uint256,bool).rTransferAmount (#849) is too similar to Virtualfields._getValues(uint256).tTransferAmount (#902)
Variable Virtualfields._getRValues(uint256,uint256,uint256,uint256).rTransferAmount (#918) is too similar to Virtualfields._getValues(uint256).tTransferAmount (#902)
Variable Virtualfields._transferBothExcluded(address,address,uint256).rTransferAmount (#883) is too similar to Virtualfields._transferToExcluded(address,address,uint256).tTransferAmount (#1167)
Prevent variables from having similar names.

Additional information: link

Virtualfields.slitherConstructorVariables() (#681-1269) uses literals with too many digits:
- _tTotal = 5000000000 * 10 ** 18 (#700)
Virtualfields.slitherConstructorVariables() (#681-1269) uses literals with too many digits:
- minimumTokensBeforeSwap = 10000000 * 10 ** 18 (#740)
Virtualfields.slitherConstructorVariables() (#681-1269) uses literals with too many digits:
- _maxTxAmount = 5000000000 * 10 ** 18 (#741)
Virtualfields.slitherConstructorVariables() (#681-1269) uses literals with too many digits:
- maxWalletToken = 5000000000 * (10 ** 18) (#742)
Use: Ether suffix, Time suffix, or The scientific notation

Additional information: link

Virtualfields._decimals (#706) should be constant
Virtualfields._name (#704) should be constant
Virtualfields._symbol (#705) should be constant
Virtualfields._tTotal (#700) should be constant
Add the constant attributes to state variables that never change.

Additional information: link

renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (#433-436)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (#442-446)
geUnlockTime() should be declared external:
- Ownable.geUnlockTime() (#448-450)
lock(uint256) should be declared external:
- Ownable.lock(uint256) (#453-458)
unlock() should be declared external:
- Ownable.unlock() (#461-466)
name() should be declared external:
- Virtualfields.name() (#775-777)
symbol() should be declared external:
- Virtualfields.symbol() (#779-781)
decimals() should be declared external:
- Virtualfields.decimals() (#783-785)
totalSupply() should be declared external:
- Virtualfields.totalSupply() (#787-789)
transfer(address,uint256) should be declared external:
- Virtualfields.transfer(address,uint256) (#796-799)
approve(address,uint256) should be declared external:
- Virtualfields.approve(address,uint256) (#805-808)
transferFrom(address,address,uint256) should be declared external:
- Virtualfields.transferFrom(address,address,uint256) (#810-814)
increaseAllowance(address,uint256) should be declared external:
- Virtualfields.increaseAllowance(address,uint256) (#816-819)
decreaseAllowance(address,uint256) should be declared external:
- Virtualfields.decreaseAllowance(address,uint256) (#821-824)
isExcludedFromReward(address) should be declared external:
- Virtualfields.isExcludedFromReward(address) (#826-828)
totalFees() should be declared external:
- Virtualfields.totalFees() (#830-832)
deliver(uint256) should be declared external:
- Virtualfields.deliver(uint256) (#834-841)
reflectionFromToken(uint256,bool) should be declared external:
- Virtualfields.reflectionFromToken(uint256,bool) (#843-852)
excludeFromReward(address) should be declared external:
- Virtualfields.excludeFromReward(address) (#860-867)
isExcludedFromFee(address) should be declared external:
- Virtualfields.isExcludedFromFee(address) (#974-976)
excludeFromFee(address) should be declared external:
- Virtualfields.excludeFromFee(address) (#1187-1189)
includeInFee(address) should be declared external:
- Virtualfields.includeInFee(address) (#1191-1193)
setBots(address[]) should be declared external:
- Virtualfields.setBots(address[]) (#1201-1205)
delBot(address) should be declared external:
- Virtualfields.delBot(address) (#1207-1209)
setSwapAndLiquifyEnabled(bool) should be declared external:
- Virtualfields.setSwapAndLiquifyEnabled(bool) (#1263-1266)
Use the external attribute for functions never called from the contract.

Additional information: link