DTA [Dextopia] Token

Reentrancy in Dextopia._transfer(address,address,uint256) (#1166-1287):
External calls:
- swapBack() (#1234)
- pancakeswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(0xdead),block.timestamp) (#1314-1321)
- pancakeswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1299-1305)
- (success,None) = address(marketingWallet).call{value: address(this).balance}() (#1358)
External calls sending eth:
- swapBack() (#1234)
- pancakeswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(0xdead),block.timestamp) (#1314-1321)
- (success,None) = address(marketingWallet).call{value: address(this).balance}() (#1358)
State variables written after the call(s):
- _takeLiquidity(vs.rLiquidity,vs.tLiquidity) (#1273)
- _rOwned[address(this)] += rLiquidity (#931)
- _distributeFee(vs.rFee,vs.rMarketing,vs.tFee,vs.tMarketing) (#1274)
- _rOwned[marketingWallet] += rMarketing (#873)
- _transferFromExcluded(from,to,amount,vs) (#1277)
- _rOwned[sender] -= vs.rAmount (#1028)
- _rOwned[recipient] += vs.rTransferAmount (#1029)
- _transferToExcluded(from,to,vs) (#1279)
- _rOwned[sender] -= vs.rAmount (#1020)
- _rOwned[recipient] += vs.rTransferAmount (#1022)
- _transferStandard(from,to,vs) (#1281)
- _rOwned[sender] -= vs.rAmount (#1014)
- _rOwned[recipient] += vs.rTransferAmount (#1015)
- _transferBothExcluded(from,to,amount,vs) (#1283)
- _rOwned[sender] -= vs.rAmount (#1035)
- _rOwned[recipient] += vs.rTransferAmount (#1037)
- _distributeFee(vs.rFee,vs.rMarketing,vs.tFee,vs.tMarketing) (#1274)
- _rTotal -= rFee (#871)
- _takeLiquidity(vs.rLiquidity,vs.tLiquidity) (#1273)
- _tOwned[address(this)] += tLiquidity (#933)
- _distributeFee(vs.rFee,vs.rMarketing,vs.tFee,vs.tMarketing) (#1274)
- _tOwned[marketingWallet] += tMarketing (#875)
- _transferFromExcluded(from,to,amount,vs) (#1277)
- _tOwned[sender] -= tAmount (#1027)
- _transferToExcluded(from,to,vs) (#1279)
- _tOwned[recipient] += vs.tTransferAmount (#1021)
- _transferBothExcluded(from,to,amount,vs) (#1283)
- _tOwned[sender] -= tAmount (#1034)
- _tOwned[recipient] += vs.tTransferAmount (#1036)
- swapping = false (#1236)
- tokensForLiquidity += fees * 50 / 99 (#1251)
- tokensForLiquidity += fees * sellLiquidityFee / sellTotalFees (#1258)
- tokensForLiquidity += fees * buyLiquidityFee / buyTotalFees (#1265)
- tokensForMarketing += fees * 49 / 99 (#1252)
- tokensForMarketing += fees * sellMarketingFee / sellTotalFees (#1259)
- tokensForMarketing += fees * buyMarketingFee / buyTotalFees (#1266)
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)

Dextopia.includeInReward(address) (#992-1003) has costly operations inside a loop:
- _excluded.pop() (#999)
Dextopia._transfer(address,address,uint256) (#1166-1287) has costly operations inside a loop:
- swapping = true (#1232)
Dextopia.swapBack() (#1325-1359) has costly operations inside a loop:
- tokensForLiquidity = 0 (#1350)
Dextopia.swapBack() (#1325-1359) has costly operations inside a loop:
- tokensForMarketing = 0 (#1351)
Dextopia._transfer(address,address,uint256) (#1166-1287) has costly operations inside a loop:
- swapping = false (#1236)
Dextopia._transfer(address,address,uint256) (#1166-1287) has costly operations inside a loop:
- tokensForLiquidity += fees * 50 / 99 (#1251)
Dextopia._transfer(address,address,uint256) (#1166-1287) has costly operations inside a loop:
- tokensForMarketing += fees * 49 / 99 (#1252)
Dextopia.applySellFees() (#1127-1131) has costly operations inside a loop:
- _taxFee = sellTaxFee (#1128)
Dextopia.applySellFees() (#1127-1131) has costly operations inside a loop:
- _marketFee = sellMarketingFee (#1129)
Dextopia.applySellFees() (#1127-1131) has costly operations inside a loop:
- _liquidityFee = sellLiquidityFee (#1130)
Dextopia._transfer(address,address,uint256) (#1166-1287) has costly operations inside a loop:
- tokensForLiquidity += fees * sellLiquidityFee / sellTotalFees (#1258)
Dextopia._transfer(address,address,uint256) (#1166-1287) has costly operations inside a loop:
- tokensForMarketing += fees * sellMarketingFee / sellTotalFees (#1259)
Dextopia._distributeFee(uint256,uint256,uint256,uint256) (#870-877) has costly operations inside a loop:
- _rTotal -= rFee (#871)
Dextopia._distributeFee(uint256,uint256,uint256,uint256) (#870-877) has costly operations inside a loop:
- _tFeeTotal += tFee (#872)
Dextopia.applyBuyFees() (#1121-1125) has costly operations inside a loop:
- _taxFee = buyTaxFee (#1122)
Dextopia.applyBuyFees() (#1121-1125) has costly operations inside a loop:
- _marketFee = buyMarketingFee (#1123)
Dextopia.applyBuyFees() (#1121-1125) has costly operations inside a loop:
- _liquidityFee = buyLiquidityFee (#1124)
Dextopia._transfer(address,address,uint256) (#1166-1287) has costly operations inside a loop:
- tokensForLiquidity += fees * buyLiquidityFee / buyTotalFees (#1265)
Dextopia._transfer(address,address,uint256) (#1166-1287) has costly operations inside a loop:
- tokensForMarketing += fees * buyMarketingFee / buyTotalFees (#1266)
Dextopia.removeAllFee() (#1132-1136) has costly operations inside a loop:
- _taxFee = 0 (#1133)
Dextopia.removeAllFee() (#1132-1136) has costly operations inside a loop:
- _liquidityFee = 0 (#1134)
Dextopia.removeAllFee() (#1132-1136) has costly operations inside a loop:
- _marketFee = 0 (#1135)
Use a local variable to hold the loop computation result.

Additional information: link

Dextopia._transfer(address,address,uint256) (#1166-1287) performs a multiplication on the result of a division:
-fees = amount * 99 / 100 (#1250)
-tokensForLiquidity += fees * 50 / 99 (#1251)
Dextopia._transfer(address,address,uint256) (#1166-1287) performs a multiplication on the result of a division:
-fees = amount * 99 / 100 (#1250)
-tokensForMarketing += fees * 49 / 99 (#1252)
Dextopia._transfer(address,address,uint256) (#1166-1287) performs a multiplication on the result of a division:
-fees = amount * sellTotalFees / 1000 (#1257)
-tokensForLiquidity += fees * sellLiquidityFee / sellTotalFees (#1258)
Dextopia._transfer(address,address,uint256) (#1166-1287) performs a multiplication on the result of a division:
-fees = amount * sellTotalFees / 1000 (#1257)
-tokensForMarketing += fees * sellMarketingFee / sellTotalFees (#1259)
Dextopia._transfer(address,address,uint256) (#1166-1287) performs a multiplication on the result of a division:
-fees = amount * buyTotalFees / 1000 (#1264)
-tokensForLiquidity += fees * buyLiquidityFee / buyTotalFees (#1265)
Dextopia._transfer(address,address,uint256) (#1166-1287) performs a multiplication on the result of a division:
-fees = amount * buyTotalFees / 1000 (#1264)
-tokensForMarketing += fees * buyMarketingFee / buyTotalFees (#1266)
Consider ordering multiplication before division.

Additional information: link

Reentrancy in Dextopia.constructor() (#766-806):
External calls:
- pancakeswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (#776)
State variables written after the call(s):
- transferOwnership(newOwner) (#804)
- _owner = newOwner (#501)
Reentrancy in Dextopia.swapBack() (#1325-1359):
External calls:
- swapTokensForEth(amountToSwapForETH) (#1342)
- pancakeswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1299-1305)
State variables written after the call(s):
- tokensForLiquidity = 0 (#1350)
- tokensForMarketing = 0 (#1351)
Apply the check-effects-interactions pattern.

Additional information: link

Dextopia._transfer(address,address,uint256) (#1166-1287) uses tx.origin for authorization: require(bool,string)(_holderLastTransferTimestamp[tx.origin] < block.number,_transfer:: Transfer Delay enabled. Only one purchase per block allowed.) (#1203)
Do not use tx.origin for authorization.

Additional information: link

Dextopia.addLiquidity(uint256,uint256) (#1309-1323) ignores return value by pancakeswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(0xdead),block.timestamp) (#1314-1321)
Ensure that all the return values of the function calls are used.

Additional information: link

Dextopia.allowance(address,address).owner (#834) shadows:
- Ownable.owner() (#470-472) (function)
Dextopia._approve(address,address,uint256).owner (#1005) shadows:
- Ownable.owner() (#470-472) (function)
Rename the local variables that shadow another component.

Additional information: link

Dextopia.updateSwapTokensAtAmount(uint256) (#1084-1089) should emit an event for:
- swapTokensAtAmount = newAmount * (10 ** 18) (#1087)
Dextopia.updateMaxAmount(uint256) (#1091-1094) should emit an event for:
- maxTransactionAmount = newNum * (10 ** 18) (#1093)
Dextopia.updateBuyFees(uint256,uint256,uint256) (#1105-1111) should emit an event for:
- buyMarketingFee = _marketingFee (#1106)
- buyLiquidityFee = _buyliquidityFee (#1107)
- buyTaxFee = _reflectionFee (#1108)
- buyTotalFees = buyMarketingFee + buyLiquidityFee + buyTaxFee (#1109)
Dextopia.updateSellFees(uint256,uint256,uint256) (#1113-1119) should emit an event for:
- sellMarketingFee = _marketingFee (#1114)
- sellLiquidityFee = _sellLiquidityFee (#1115)
- sellTaxFee = _reflectionFee (#1116)
- sellTotalFees = sellMarketingFee + sellLiquidityFee + sellTaxFee (#1117)
Emit an event for critical parameter changes.

Additional information: link

Dextopia.constructor().newOwner (#768) lacks a zero-check on :
- marketingWallet = address(newOwner) (#793)
Dextopia.updateMarketingWallet(address).newMarketingWallet (#1155) lacks a zero-check on :
- marketingWallet = newMarketingWallet (#1157)
Check that the address is not zero.

Additional information: link

Dextopia.swapTokensForEth(uint256) (#1289-1307) has external calls inside a loop: path[1] = pancakeswapV2Router.WETH() (#1294)
Dextopia.swapTokensForEth(uint256) (#1289-1307) has external calls inside a loop: pancakeswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1299-1305)
Dextopia.addLiquidity(uint256,uint256) (#1309-1323) has external calls inside a loop: pancakeswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(0xdead),block.timestamp) (#1314-1321)
Dextopia.swapBack() (#1325-1359) has external calls inside a loop: (success,None) = address(marketingWallet).call{value: address(this).balance}() (#1358)
Favor pull over push strategy for external calls.

Additional information: link

Reentrancy in Dextopia._transfer(address,address,uint256) (#1166-1287):
External calls:
- swapBack() (#1234)
- pancakeswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(0xdead),block.timestamp) (#1314-1321)
- pancakeswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1299-1305)
- (success,None) = address(marketingWallet).call{value: address(this).balance}() (#1358)
External calls sending eth:
- swapBack() (#1234)
- pancakeswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(0xdead),block.timestamp) (#1314-1321)
- (success,None) = address(marketingWallet).call{value: address(this).balance}() (#1358)
State variables written after the call(s):
- applySellFees() (#1256)
- _liquidityFee = sellLiquidityFee (#1130)
- applyBuyFees() (#1263)
- _liquidityFee = buyLiquidityFee (#1124)
- removeAllFee() (#1270)
- _liquidityFee = 0 (#1134)
- applySellFees() (#1256)
- _marketFee = sellMarketingFee (#1129)
- applyBuyFees() (#1263)
- _marketFee = buyMarketingFee (#1123)
- removeAllFee() (#1270)
- _marketFee = 0 (#1135)
- _distributeFee(vs.rFee,vs.rMarketing,vs.tFee,vs.tMarketing) (#1274)
- _tFeeTotal += tFee (#872)
- applySellFees() (#1256)
- _taxFee = sellTaxFee (#1128)
- applyBuyFees() (#1263)
- _taxFee = buyTaxFee (#1122)
- removeAllFee() (#1270)
- _taxFee = 0 (#1133)
Reentrancy in Dextopia.constructor() (#766-806):
External calls:
- pancakeswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (#776)
State variables written after the call(s):
- excludeFromFees(newOwner,true) (#796)
- _isExcludedFromFees[account] = excluded (#1139)
- excludeFromFees(address(this),true) (#797)
- _isExcludedFromFees[account] = excluded (#1139)
- excludeFromFees(address(0xdead),true) (#798)
- _isExcludedFromFees[account] = excluded (#1139)
- excludeFromMaxTransaction(address(pancakeswapV2Pair),true) (#777)
- _isExcludedMaxTransactionAmount[updAds] = isEx (#1097)
- excludeFromMaxTransaction(newOwner,true) (#800)
- _isExcludedMaxTransactionAmount[updAds] = isEx (#1097)
- excludeFromMaxTransaction(address(this),true) (#801)
- _isExcludedMaxTransactionAmount[updAds] = isEx (#1097)
- excludeFromMaxTransaction(address(0xdead),true) (#802)
- _isExcludedMaxTransactionAmount[updAds] = isEx (#1097)
- _setAutomatedMarketMakerPair(address(pancakeswapV2Pair),true) (#778)
- automatedMarketMakerPairs[pair] = value (#1150)
- buyLiquidityFee = 80 (#784)
- buyMarketingFee = 40 (#783)
- buyTaxFee = 60 (#785)
- buyTotalFees = buyMarketingFee + buyLiquidityFee + buyTaxFee (#786)
- marketingWallet = address(newOwner) (#793)
- maxTransactionAmount = _tTotal * 25 / 10000 (#780)
- sellLiquidityFee = 90 (#789)
- sellMarketingFee = 60 (#788)
- sellTaxFee = 60 (#790)
- sellTotalFees = sellMarketingFee + sellLiquidityFee + sellTaxFee (#791)
- swapTokensAtAmount = _tTotal * 25 / 100000 (#781)
Reentrancy in Dextopia.swapBack() (#1325-1359):
External calls:
- swapTokensForEth(amountToSwapForETH) (#1342)
- pancakeswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1299-1305)
- addLiquidity(liquidityTokens,ethForLiquidity) (#1354)
- pancakeswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(0xdead),block.timestamp) (#1314-1321)
External calls sending eth:
- addLiquidity(liquidityTokens,ethForLiquidity) (#1354)
- pancakeswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(0xdead),block.timestamp) (#1314-1321)
State variables written after the call(s):
- addLiquidity(liquidityTokens,ethForLiquidity) (#1354)
- _allowances[owner][spender] = amount (#1009)
Reentrancy in Dextopia.transferFrom(address,address,uint256) (#843-847):
External calls:
- _transfer(sender,recipient,amount) (#844)
- pancakeswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(0xdead),block.timestamp) (#1314-1321)
- pancakeswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1299-1305)
- (success,None) = address(marketingWallet).call{value: address(this).balance}() (#1358)
External calls sending eth:
- _transfer(sender,recipient,amount) (#844)
- pancakeswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(0xdead),block.timestamp) (#1314-1321)
- (success,None) = address(marketingWallet).call{value: address(this).balance}() (#1358)
State variables written after the call(s):
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()] - amount) (#845)
- _allowances[owner][spender] = amount (#1009)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in Dextopia._transfer(address,address,uint256) (#1166-1287):
External calls:
- swapBack() (#1234)
- pancakeswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(0xdead),block.timestamp) (#1314-1321)
- pancakeswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1299-1305)
- (success,None) = address(marketingWallet).call{value: address(this).balance}() (#1358)
External calls sending eth:
- swapBack() (#1234)
- pancakeswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(0xdead),block.timestamp) (#1314-1321)
- (success,None) = address(marketingWallet).call{value: address(this).balance}() (#1358)
Event emitted after the call(s):
- Transfer(sender,recipient,vs.tTransferAmount) (#1016)
- _transferStandard(from,to,vs) (#1281)
- Transfer(sender,recipient,vs.tTransferAmount) (#1023)
- _transferToExcluded(from,to,vs) (#1279)
- Transfer(sender,recipient,vs.tTransferAmount) (#1030)
- _transferFromExcluded(from,to,amount,vs) (#1277)
- Transfer(sender,recipient,vs.tTransferAmount) (#1038)
- _transferBothExcluded(from,to,amount,vs) (#1283)
Reentrancy in Dextopia.constructor() (#766-806):
External calls:
- pancakeswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (#776)
Event emitted after the call(s):
- ExcludeFromFees(account,excluded) (#1140)
- excludeFromFees(address(0xdead),true) (#798)
- ExcludeFromFees(account,excluded) (#1140)
- excludeFromFees(address(this),true) (#797)
- ExcludeFromFees(account,excluded) (#1140)
- excludeFromFees(newOwner,true) (#796)
- OwnershipTransferred(_owner,newOwner) (#500)
- transferOwnership(newOwner) (#804)
- SetAutomatedMarketMakerPair(pair,value) (#1152)
- _setAutomatedMarketMakerPair(address(pancakeswapV2Pair),true) (#778)
- Transfer(address(0),_msgSender(),_tTotal) (#805)
Reentrancy in Dextopia.swapBack() (#1325-1359):
External calls:
- swapTokensForEth(amountToSwapForETH) (#1342)
- pancakeswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1299-1305)
- addLiquidity(liquidityTokens,ethForLiquidity) (#1354)
- pancakeswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(0xdead),block.timestamp) (#1314-1321)
External calls sending eth:
- addLiquidity(liquidityTokens,ethForLiquidity) (#1354)
- pancakeswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(0xdead),block.timestamp) (#1314-1321)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#1010)
- addLiquidity(liquidityTokens,ethForLiquidity) (#1354)
- SwapAndLiquify(amountToSwapForETH,ethForLiquidity,tokensForLiquidity) (#1355)
Reentrancy in Dextopia.transferFrom(address,address,uint256) (#843-847):
External calls:
- _transfer(sender,recipient,amount) (#844)
- pancakeswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(0xdead),block.timestamp) (#1314-1321)
- pancakeswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1299-1305)
- (success,None) = address(marketingWallet).call{value: address(this).balance}() (#1358)
External calls sending eth:
- _transfer(sender,recipient,amount) (#844)
- pancakeswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(0xdead),block.timestamp) (#1314-1321)
- (success,None) = address(marketingWallet).call{value: address(this).balance}() (#1358)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#1010)
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()] - amount) (#845)
Apply the check-effects-interactions pattern.

Additional information: link

Dextopia._transfer(address,address,uint256) (#1166-1287) uses timestamp for comparisons
Dangerous comparisons:
- tradingActive && block.timestamp < whitelistDisabledTimestamp (#1189)
Avoid relying on block.timestamp.

Additional information: link

Address.verifyCallResult(bool,bytes,string) (#197-217) uses assembly
- INLINE ASM (#209-212)
Do not use evm assembly.

Additional information: link

Address.functionCall(address,bytes) (#81-83) is never used and should be removed
Address.functionCall(address,bytes,string) (#91-97) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256) (#110-116) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256,string) (#124-135) is never used and should be removed
Address.functionDelegateCall(address,bytes) (#170-172) is never used and should be removed
Address.functionDelegateCall(address,bytes,string) (#180-189) is never used and should be removed
Address.functionStaticCall(address,bytes) (#143-145) is never used and should be removed
Address.functionStaticCall(address,bytes,string) (#153-162) is never used and should be removed
Address.isContract(address) (#32-38) is never used and should be removed
Address.sendValue(address,uint256) (#56-61) is never used and should be removed
Address.verifyCallResult(bool,bytes,string) (#197-217) is never used and should be removed
Context._msgData() (#225-228) is never used and should be removed
SafeMath.add(uint256,uint256) (#321-326) is never used and should be removed
SafeMath.mod(uint256,uint256) (#431-433) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (#447-450) is never used and should be removed
SafeMath.sub(uint256,uint256) (#338-340) is never used and should be removed
SafeMath.sub(uint256,uint256,string) (#352-357) is never used and should be removed
SafeMathInt.abs(int256) (#555-558) is never used and should be removed
SafeMathInt.add(int256,int256) (#546-550) is never used and should be removed
SafeMathInt.div(int256,int256) (#526-532) is never used and should be removed
SafeMathInt.mul(int256,int256) (#514-521) is never used and should be removed
SafeMathInt.sub(int256,int256) (#537-541) is never used and should be removed
SafeMathInt.toUint256Safe(int256) (#561-564) is never used and should be removed
SafeMathUint.toInt256Safe(uint256) (#568-572) is never used and should be removed
Remove unused functions.

Additional information: link

Dextopia._rTotal (#693) is set pre-construction with a non-constant function or state variable:
- (MAX - (MAX % _tTotal))
Remove any initialization of state variables via non-constant state variables or function calls. If variables must be set upon contract deployment, locate initialization in the constructor instead.

Additional information: link

Pragma version0.8.11 (#3) necessitates a version too recent to be trusted. Consider deploying with 0.6.12/0.7.6/0.8.7
solc-0.8.11 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) (#56-61):
- (success) = recipient.call{value: amount}() (#59)
Low level call in Address.functionCallWithValue(address,bytes,uint256,string) (#124-135):
- (success,returndata) = target.call{value: value}(data) (#133)
Low level call in Address.functionStaticCall(address,bytes,string) (#153-162):
- (success,returndata) = target.staticcall(data) (#160)
Low level call in Address.functionDelegateCall(address,bytes,string) (#180-189):
- (success,returndata) = target.delegatecall(data) (#187)
Low level call in Dextopia.swapBack() (#1325-1359):
- (success,None) = address(marketingWallet).call{value: address(this).balance}() (#1358)
Low level call in Dextopia.withdrawStuckBNB() (#1369-1372):
- (success,None) = address(msg.sender).call{value: address(this).balance}() (#1371)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence

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Function IUniswapV2Router01.WETH() (#578) is not in mixedCase
Parameter Dextopia.calculateTaxFee(uint256)._amount (#936) is not in mixedCase
Parameter Dextopia.calculateMarketingFee(uint256)._amount (#942) is not in mixedCase
Parameter Dextopia.calculateLiquidityFee(uint256)._amount (#948) is not in mixedCase
Parameter Dextopia.updateBuyFees(uint256,uint256,uint256)._marketingFee (#1105) is not in mixedCase
Parameter Dextopia.updateBuyFees(uint256,uint256,uint256)._buyliquidityFee (#1105) is not in mixedCase
Parameter Dextopia.updateBuyFees(uint256,uint256,uint256)._reflectionFee (#1105) is not in mixedCase
Parameter Dextopia.updateSellFees(uint256,uint256,uint256)._marketingFee (#1113) is not in mixedCase
Parameter Dextopia.updateSellFees(uint256,uint256,uint256)._sellLiquidityFee (#1113) is not in mixedCase
Parameter Dextopia.updateSellFees(uint256,uint256,uint256)._reflectionFee (#1113) is not in mixedCase
Parameter Dextopia.transferForeignToken(address,address)._token (#1361) is not in mixedCase
Parameter Dextopia.transferForeignToken(address,address)._to (#1361) is not in mixedCase
Constant Dextopia.deadAddress (#699) is not in UPPER_CASE_WITH_UNDERSCORES
Constant Dextopia.gasPriceLimit (#716) is not in UPPER_CASE_WITH_UNDERSCORES
Variable Dextopia._taxFee (#735) is not in mixedCase
Variable Dextopia._marketFee (#736) is not in mixedCase
Variable Dextopia._liquidityFee (#737) is not in mixedCase
Variable Dextopia._isExcludedMaxTransactionAmount (#741) is not in mixedCase
Follow the Solidity naming convention.

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Redundant expression "this (#226)" inContext (#220-229)
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 (#583) is too similar to IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountBDesired (#584)
Variable Dextopia.reflectionFromToken(uint256,bool).rTransferAmount (#970) is too similar to Dextopia._getTValues(uint256).tTransferAmount (#900)
Variable Dextopia._getRValues(uint256,uint256,uint256,uint256,uint256).rTransferAmount (#909) is too similar to Dextopia._getTValues(uint256).tTransferAmount (#900)
Prevent variables from having similar names.

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Dextopia.constructor() (#766-806) uses literals with too many digits:
- swapTokensAtAmount = _tTotal * 25 / 100000 (#781)
Dextopia.updateSwapTokensAtAmount(uint256) (#1084-1089) uses literals with too many digits:
- require(bool,string)(newAmount * 1e18 >= totalSupply() * 1 / 100000,Swap amount cannot be lower than 0.001% total supply.) (#1085)
Dextopia.slitherConstructorVariables() (#657-1374) uses literals with too many digits:
- _tTotal = 100000000 * 1e18 (#692)
Use: Ether suffix, Time suffix, or The scientific notation

Additional information: link

SafeMathInt.MAX_INT256 (#509) is never used in SafeMathInt (#507-565)
Remove unused state variables.

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Dextopia._decimals (#764) should be constant
Dextopia._name (#762) should be constant
Dextopia._symbol (#763) should be constant
Dextopia._tTotal (#692) should be constant
Add the constant attributes to state variables that never change.

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renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (#489-492)
name() should be declared external:
- Dextopia.name() (#808-810)
symbol() should be declared external:
- Dextopia.symbol() (#812-814)
decimals() should be declared external:
- Dextopia.decimals() (#816-818)
transfer(address,uint256) should be declared external:
- Dextopia.transfer(address,uint256) (#829-832)
allowance(address,address) should be declared external:
- Dextopia.allowance(address,address) (#834-836)
approve(address,uint256) should be declared external:
- Dextopia.approve(address,uint256) (#838-841)
transferFrom(address,address,uint256) should be declared external:
- Dextopia.transferFrom(address,address,uint256) (#843-847)
increaseAllowance(address,uint256) should be declared external:
- Dextopia.increaseAllowance(address,uint256) (#849-852)
decreaseAllowance(address,uint256) should be declared external:
- Dextopia.decreaseAllowance(address,uint256) (#854-857)
isExcludedFromReward(address) should be declared external:
- Dextopia.isExcludedFromReward(address) (#859-861)
totalFees() should be declared external:
- Dextopia.totalFees() (#863-865)
deliver(uint256) should be declared external:
- Dextopia.deliver(uint256) (#955-962)
reflectionFromToken(uint256,bool) should be declared external:
- Dextopia.reflectionFromToken(uint256,bool) (#964-973)
excludeFromReward(address) should be declared external:
- Dextopia.excludeFromReward(address) (#981-990)
Use the external attribute for functions never called from the contract.

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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.

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Unable to find token on CoinGecko

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Unable to find token on CoinMarketCap

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Unable to find code repository for the project

Alexa traffic rank is very low

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

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