DeVolution Token Logo

DEVO [DeVolution] Token

About DEVO

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Token 4 years
white paper

Building a Metaverse! Devolution is a play-to-earn (P2E) NFT game that connects players around the world online. The game features player-versus-environment (PvE) and player-versus-player (PvP) game modes where exciting battles await players and their Evomons.

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Laser Scorebeta Last Audit: 19 January 2022

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Token seems to be (relatively) fine. It still become a scam, but probability is moderate.

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

DeVolution.addLiquidity(uint256,uint256) (Devolution.sol#413-426) sends eth to arbitrary user
Dangerous calls:
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(liquidityWallet),block.timestamp) (Devolution.sol#418-425)
Ensure that an arbitrary user cannot withdraw unauthorized funds.

Additional information: link

Reentrancy in DeVolution._transfer(address,address,uint256) (Devolution.sol#279-391):
External calls:
- swapBack() (Devolution.sol#329)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(liquidityWallet),block.timestamp) (Devolution.sol#418-425)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (Devolution.sol#403-409)
- (success) = address(marketingWallet).call{value: bnbForMarketing}() (Devolution.sol#462)
- (success,None) = address(teamWallet).call{value: bnbForTeam}() (Devolution.sol#463)
- (success,None) = address(buybackWallet).call{value: bnbForBuyBack}() (Devolution.sol#464)
External calls sending eth:
- swapBack() (Devolution.sol#329)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(liquidityWallet),block.timestamp) (Devolution.sol#418-425)
- (success) = address(marketingWallet).call{value: bnbForMarketing}() (Devolution.sol#462)
- (success,None) = address(teamWallet).call{value: bnbForTeam}() (Devolution.sol#463)
- (success,None) = address(buybackWallet).call{value: bnbForBuyBack}() (Devolution.sol#464)
State variables written after the call(s):
- super._transfer(from,address(0xdead),burnAmt) (Devolution.sol#350)
- _balances[sender] = _balances[sender].sub(amount,ERC20: transfer amount exceeds balance) (Libraries.sol#369)
- _balances[recipient] = _balances[recipient].add(amount) (Libraries.sol#370)
- super._transfer(from,address(ingameWallet),ingameAmt) (Devolution.sol#354)
- _balances[sender] = _balances[sender].sub(amount,ERC20: transfer amount exceeds balance) (Libraries.sol#369)
- _balances[recipient] = _balances[recipient].add(amount) (Libraries.sol#370)
- super._transfer(from,address(0xdead),burnAmt) (Devolution.sol#368)
- _balances[sender] = _balances[sender].sub(amount,ERC20: transfer amount exceeds balance) (Libraries.sol#369)
- _balances[recipient] = _balances[recipient].add(amount) (Libraries.sol#370)
- super._transfer(from,address(ingameWallet),ingameAmt) (Devolution.sol#372)
- _balances[sender] = _balances[sender].sub(amount,ERC20: transfer amount exceeds balance) (Libraries.sol#369)
- _balances[recipient] = _balances[recipient].add(amount) (Libraries.sol#370)
- super._transfer(from,address(this),fees) (Devolution.sol#385)
- _balances[sender] = _balances[sender].sub(amount,ERC20: transfer amount exceeds balance) (Libraries.sol#369)
- _balances[recipient] = _balances[recipient].add(amount) (Libraries.sol#370)
- super._transfer(from,to,amount) (Devolution.sol#390)
- _balances[sender] = _balances[sender].sub(amount,ERC20: transfer amount exceeds balance) (Libraries.sol#369)
- _balances[recipient] = _balances[recipient].add(amount) (Libraries.sol#370)
- _buyBackTokensToSwap += fees * buyBuybackFee / totalFees (Devolution.sol#360)
- _buyBackTokensToSwap += fees * sellBuybackFee / totalFees (Devolution.sol#378)
- _liquidityTokensToSwap += fees * buyLiquidityFee / totalFees (Devolution.sol#358)
- _liquidityTokensToSwap += fees * sellLiquidityFee / totalFees (Devolution.sol#376)
- _marketingTokensToSwap += fees * buyOperationsFee / totalFees (Devolution.sol#359)
- _marketingTokensToSwap += fees * sellOperationsFee / totalFees (Devolution.sol#377)
- _teamTokensToSwap += fees * buyTeamFee / totalFees (Devolution.sol#361)
- _teamTokensToSwap += fees * sellTeamFee / totalFees (Devolution.sol#379)
- swapping = false (Devolution.sol#330)
Apply the check-effects-interactions pattern.

Additional information: link

DeVolution.swapBack().success (Devolution.sol#462) is written in both
(success) = address(marketingWallet).call{value: bnbForMarketing}() (Devolution.sol#462)
(success,None) = address(teamWallet).call{value: bnbForTeam}() (Devolution.sol#463)
DeVolution.swapBack().success (Devolution.sol#462) is written in both
(success,None) = address(teamWallet).call{value: bnbForTeam}() (Devolution.sol#463)
(success,None) = address(buybackWallet).call{value: bnbForBuyBack}() (Devolution.sol#464)
Fix or remove the writes.

Additional information: link


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

DeVolution._transfer(address,address,uint256) (Devolution.sol#279-391) performs a multiplication on the result of a division:
-_liquidityTokensToSwap += fees * buyLiquidityFee / totalFees (Devolution.sol#358)
-fees = amount.mul(totalFees).div(feeDivisor) (Devolution.sol#375)
DeVolution._transfer(address,address,uint256) (Devolution.sol#279-391) performs a multiplication on the result of a division:
-fees = amount.mul(totalFees).div(feeDivisor) (Devolution.sol#375)
-_liquidityTokensToSwap += fees * sellLiquidityFee / totalFees (Devolution.sol#376)
DeVolution._transfer(address,address,uint256) (Devolution.sol#279-391) performs a multiplication on the result of a division:
-_marketingTokensToSwap += fees * buyOperationsFee / totalFees (Devolution.sol#359)
-fees = amount.mul(totalFees).div(feeDivisor) (Devolution.sol#375)
DeVolution._transfer(address,address,uint256) (Devolution.sol#279-391) performs a multiplication on the result of a division:
-fees = amount.mul(totalFees).div(feeDivisor) (Devolution.sol#375)
-_marketingTokensToSwap += fees * sellOperationsFee / totalFees (Devolution.sol#377)
DeVolution._transfer(address,address,uint256) (Devolution.sol#279-391) performs a multiplication on the result of a division:
-_buyBackTokensToSwap += fees * buyBuybackFee / totalFees (Devolution.sol#360)
-fees = amount.mul(totalFees).div(feeDivisor) (Devolution.sol#375)
DeVolution._transfer(address,address,uint256) (Devolution.sol#279-391) performs a multiplication on the result of a division:
-fees = amount.mul(totalFees).div(feeDivisor) (Devolution.sol#375)
-_buyBackTokensToSwap += fees * sellBuybackFee / totalFees (Devolution.sol#378)
DeVolution._transfer(address,address,uint256) (Devolution.sol#279-391) performs a multiplication on the result of a division:
-_teamTokensToSwap += fees * buyTeamFee / totalFees (Devolution.sol#361)
-fees = amount.mul(totalFees).div(feeDivisor) (Devolution.sol#375)
DeVolution._transfer(address,address,uint256) (Devolution.sol#279-391) performs a multiplication on the result of a division:
-fees = amount.mul(totalFees).div(feeDivisor) (Devolution.sol#375)
-_teamTokensToSwap += fees * sellTeamFee / totalFees (Devolution.sol#379)
Consider ordering multiplication before division.

Additional information: link

Reentrancy in DeVolution.swapBack() (Devolution.sol#437-468):
External calls:
- swapTokensForEth(amountToSwapForBNB) (Devolution.sol#447)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (Devolution.sol#403-409)
State variables written after the call(s):
- _buyBackTokensToSwap = 0 (Devolution.sol#459)
- _liquidityTokensToSwap = 0 (Devolution.sol#457)
- _marketingTokensToSwap = 0 (Devolution.sol#458)
- _teamTokensToSwap = 0 (Devolution.sol#460)
Apply the check-effects-interactions pattern.

Additional information: link

DeVolution._transfer(address,address,uint256).burnAmt (Devolution.sol#343) is a local variable never initialized
DeVolution._transfer(address,address,uint256).fees (Devolution.sol#342) is a local variable never initialized
DeVolution._transfer(address,address,uint256).ingameAmt (Devolution.sol#344) is a local variable never initialized
Initialize all the variables. If a variable is meant to be initialized to zero, explicitly set it to zero to improve code readability.

Additional information: link

DeVolution.addLiquidity(uint256,uint256) (Devolution.sol#413-426) ignores return value by uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(liquidityWallet),block.timestamp) (Devolution.sol#418-425)
Ensure that all the return values of the function calls are used.

Additional information: link

DeVolution.constructor().totalSupply (Devolution.sol#124) shadows:
- ERC20.totalSupply() (Libraries.sol#243-245) (function)
- IERC20.totalSupply() (Libraries.sol#93) (function)
Rename the local variables that shadow another component.

Additional information: link

DeVolution.updateSwapTokensAtAmount(uint256) (Devolution.sol#202-207) should emit an event for:
- swapTokensAtAmount = newAmount (Devolution.sol#205)
DeVolution.updateMaxAmount(uint256) (Devolution.sol#209-212) should emit an event for:
- maxTransactionAmount = newNum * (10 ** 18) (Devolution.sol#211)
DeVolution.updateBuyFees(uint256,uint256,uint256,uint256,uint256,uint256) (Devolution.sol#215-224) should emit an event for:
- buyOperationsFee = _operationsFee (Devolution.sol#216)
- buyTeamFee = _teamFee (Devolution.sol#217)
- buyLiquidityFee = _liquidityFee (Devolution.sol#218)
- buyBuybackFee = _buybackFee (Devolution.sol#219)
- buyBurnFee = _burnFee (Devolution.sol#220)
- buyIngameFee = _ingameFee (Devolution.sol#221)
- buyTotalFees = buyTeamFee + buyLiquidityFee + buyOperationsFee + buyBuybackFee + buyBurnFee + buyIngameFee (Devolution.sol#222)
DeVolution.updateSellFees(uint256,uint256,uint256,uint256,uint256,uint256) (Devolution.sol#226-235) should emit an event for:
- sellOperationsFee = _operationsFee (Devolution.sol#227)
- sellTeamFee = _teamFee (Devolution.sol#228)
- sellLiquidityFee = _liquidityFee (Devolution.sol#229)
- sellBuybackFee = _buybackFee (Devolution.sol#230)
- sellBurnFee = _burnFee (Devolution.sol#231)
- sellIngameFee = _ingameFee (Devolution.sol#232)
- sellTotalFees = sellTeamFee + sellLiquidityFee + sellOperationsFee + sellBuybackFee + sellBurnFee + sellIngameFee (Devolution.sol#233)
Emit an event for critical parameter changes.

Additional information: link

DeVolution.updateMarketingWallet(address).newMarketingWallet (Devolution.sol#264) lacks a zero-check on :
- marketingWallet = newMarketingWallet (Devolution.sol#267)
DeVolution.updateLiquidityWallet(address).newLiquidityWallet (Devolution.sol#270) lacks a zero-check on :
- liquidityWallet = newLiquidityWallet (Devolution.sol#272)
Check that the address is not zero.

Additional information: link

Reentrancy in DeVolution.constructor() (Devolution.sol#122-183):
External calls:
- _uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (Devolution.sol#160-161)
State variables written after the call(s):
- _mint(address(owner()),totalSupply) (Devolution.sol#182)
- _balances[account] = _balances[account].add(amount) (Libraries.sol#389)
- excludeFromFees(owner(),true) (Devolution.sol#169)
- _isExcludedFromFees[account] = excluded (Devolution.sol#247)
- excludeFromFees(address(this),true) (Devolution.sol#170)
- _isExcludedFromFees[account] = excluded (Devolution.sol#247)
- excludeFromFees(address(0xdead),true) (Devolution.sol#171)
- _isExcludedFromFees[account] = excluded (Devolution.sol#247)
- _setAutomatedMarketMakerPair(_uniswapV2Pair,true) (Devolution.sol#166)
- _isExcludedMaxTransactionAmount[updAds] = isEx (Devolution.sol#238)
- excludeFromMaxTransaction(owner(),true) (Devolution.sol#173)
- _isExcludedMaxTransactionAmount[updAds] = isEx (Devolution.sol#238)
- excludeFromMaxTransaction(address(this),true) (Devolution.sol#174)
- _isExcludedMaxTransactionAmount[updAds] = isEx (Devolution.sol#238)
- excludeFromMaxTransaction(address(0xdead),true) (Devolution.sol#176)
- _isExcludedMaxTransactionAmount[updAds] = isEx (Devolution.sol#238)
- _mint(address(owner()),totalSupply) (Devolution.sol#182)
- _totalSupply = _totalSupply.add(amount) (Libraries.sol#388)
- _setAutomatedMarketMakerPair(_uniswapV2Pair,true) (Devolution.sol#166)
- automatedMarketMakerPairs[pair] = value (Devolution.sol#259)
- uniswapV2Pair = _uniswapV2Pair (Devolution.sol#164)
- uniswapV2Router = _uniswapV2Router (Devolution.sol#163)
Reentrancy in DeVolution.swapBack() (Devolution.sol#437-468):
External calls:
- swapTokensForEth(amountToSwapForBNB) (Devolution.sol#447)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (Devolution.sol#403-409)
- (success) = address(marketingWallet).call{value: bnbForMarketing}() (Devolution.sol#462)
- (success,None) = address(teamWallet).call{value: bnbForTeam}() (Devolution.sol#463)
- (success,None) = address(buybackWallet).call{value: bnbForBuyBack}() (Devolution.sol#464)
- addLiquidity(tokensForLiquidity,bnbForLiquidity) (Devolution.sol#466)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(liquidityWallet),block.timestamp) (Devolution.sol#418-425)
External calls sending eth:
- (success) = address(marketingWallet).call{value: bnbForMarketing}() (Devolution.sol#462)
- (success,None) = address(teamWallet).call{value: bnbForTeam}() (Devolution.sol#463)
- (success,None) = address(buybackWallet).call{value: bnbForBuyBack}() (Devolution.sol#464)
- addLiquidity(tokensForLiquidity,bnbForLiquidity) (Devolution.sol#466)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(liquidityWallet),block.timestamp) (Devolution.sol#418-425)
State variables written after the call(s):
- addLiquidity(tokensForLiquidity,bnbForLiquidity) (Devolution.sol#466)
- _allowances[owner][spender] = amount (Libraries.sol#435)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in DeVolution._transfer(address,address,uint256) (Devolution.sol#279-391):
External calls:
- swapBack() (Devolution.sol#329)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(liquidityWallet),block.timestamp) (Devolution.sol#418-425)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (Devolution.sol#403-409)
- (success) = address(marketingWallet).call{value: bnbForMarketing}() (Devolution.sol#462)
- (success,None) = address(teamWallet).call{value: bnbForTeam}() (Devolution.sol#463)
- (success,None) = address(buybackWallet).call{value: bnbForBuyBack}() (Devolution.sol#464)
External calls sending eth:
- swapBack() (Devolution.sol#329)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(liquidityWallet),block.timestamp) (Devolution.sol#418-425)
- (success) = address(marketingWallet).call{value: bnbForMarketing}() (Devolution.sol#462)
- (success,None) = address(teamWallet).call{value: bnbForTeam}() (Devolution.sol#463)
- (success,None) = address(buybackWallet).call{value: bnbForBuyBack}() (Devolution.sol#464)
Event emitted after the call(s):
- Transfer(sender,recipient,amount) (Libraries.sol#371)
- super._transfer(from,address(0xdead),burnAmt) (Devolution.sol#368)
- Transfer(sender,recipient,amount) (Libraries.sol#371)
- super._transfer(from,address(ingameWallet),ingameAmt) (Devolution.sol#372)
- Transfer(sender,recipient,amount) (Libraries.sol#371)
- super._transfer(from,address(0xdead),burnAmt) (Devolution.sol#350)
- Transfer(sender,recipient,amount) (Libraries.sol#371)
- super._transfer(from,address(this),fees) (Devolution.sol#385)
- Transfer(sender,recipient,amount) (Libraries.sol#371)
- super._transfer(from,address(ingameWallet),ingameAmt) (Devolution.sol#354)
- Transfer(sender,recipient,amount) (Libraries.sol#371)
- super._transfer(from,to,amount) (Devolution.sol#390)
Reentrancy in DeVolution.constructor() (Devolution.sol#122-183):
External calls:
- _uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (Devolution.sol#160-161)
Event emitted after the call(s):
- ExcludeFromFees(account,excluded) (Devolution.sol#249)
- excludeFromFees(address(this),true) (Devolution.sol#170)
- ExcludeFromFees(account,excluded) (Devolution.sol#249)
- excludeFromFees(owner(),true) (Devolution.sol#169)
- ExcludeFromFees(account,excluded) (Devolution.sol#249)
- excludeFromFees(address(0xdead),true) (Devolution.sol#171)
- SetAutomatedMarketMakerPair(pair,value) (Devolution.sol#261)
- _setAutomatedMarketMakerPair(_uniswapV2Pair,true) (Devolution.sol#166)
- Transfer(address(0),account,amount) (Libraries.sol#390)
- _mint(address(owner()),totalSupply) (Devolution.sol#182)
Reentrancy in DeVolution.swapBack() (Devolution.sol#437-468):
External calls:
- swapTokensForEth(amountToSwapForBNB) (Devolution.sol#447)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (Devolution.sol#403-409)
- (success) = address(marketingWallet).call{value: bnbForMarketing}() (Devolution.sol#462)
- (success,None) = address(teamWallet).call{value: bnbForTeam}() (Devolution.sol#463)
- (success,None) = address(buybackWallet).call{value: bnbForBuyBack}() (Devolution.sol#464)
- addLiquidity(tokensForLiquidity,bnbForLiquidity) (Devolution.sol#466)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(liquidityWallet),block.timestamp) (Devolution.sol#418-425)
External calls sending eth:
- (success) = address(marketingWallet).call{value: bnbForMarketing}() (Devolution.sol#462)
- (success,None) = address(teamWallet).call{value: bnbForTeam}() (Devolution.sol#463)
- (success,None) = address(buybackWallet).call{value: bnbForBuyBack}() (Devolution.sol#464)
- addLiquidity(tokensForLiquidity,bnbForLiquidity) (Devolution.sol#466)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(liquidityWallet),block.timestamp) (Devolution.sol#418-425)
Event emitted after the call(s):
- Approval(owner,spender,amount) (Libraries.sol#436)
- addLiquidity(tokensForLiquidity,bnbForLiquidity) (Devolution.sol#466)
- SwapAndLiquify(amountToSwapForBNB,bnbForLiquidity,tokensForLiquidity) (Devolution.sol#467)
Apply the check-effects-interactions pattern.

Additional information: link

Context._msgData() (Libraries.sol#16-19) is never used and should be removed
ERC20._burn(address,uint256) (Libraries.sol#404-412) is never used and should be removed
SafeMath.mod(uint256,uint256) (Libraries.sol#581-583) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (Libraries.sol#597-600) is never used and should be removed
SafeMathInt.abs(int256) (Libraries.sol#705-708) is never used and should be removed
SafeMathInt.add(int256,int256) (Libraries.sol#696-700) is never used and should be removed
SafeMathInt.div(int256,int256) (Libraries.sol#676-682) is never used and should be removed
SafeMathInt.mul(int256,int256) (Libraries.sol#664-671) is never used and should be removed
SafeMathInt.sub(int256,int256) (Libraries.sol#687-691) is never used and should be removed
SafeMathInt.toUint256Safe(int256) (Libraries.sol#711-714) is never used and should be removed
SafeMathUint.toInt256Safe(uint256) (Libraries.sol#718-722) is never used and should be removed
Remove unused functions.

Additional information: link

Pragma version0.8.9 (Devolution.sol#49) necessitates a version too recent to be trusted. Consider deploying with 0.6.12/0.7.6/0.8.7
Pragma version0.8.9 (Libraries.sol#9) 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 DeVolution.swapBack() (Devolution.sol#437-468):
- (success) = address(marketingWallet).call{value: bnbForMarketing}() (Devolution.sol#462)
- (success,None) = address(teamWallet).call{value: bnbForTeam}() (Devolution.sol#463)
- (success,None) = address(buybackWallet).call{value: bnbForBuyBack}() (Devolution.sol#464)
Low level call in DeVolution.withdrawStuckETH() (Devolution.sol#487-491):
- (success,None) = address(msg.sender).call{value: address(this).balance}() (Devolution.sol#490)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence

Additional information: link

Event DeVolutionmarketingWalletUpdated(address,address) (Devolution.sol#114) is not in CapWords
Parameter DeVolution.updateBuyFees(uint256,uint256,uint256,uint256,uint256,uint256)._operationsFee (Devolution.sol#215) is not in mixedCase
Parameter DeVolution.updateBuyFees(uint256,uint256,uint256,uint256,uint256,uint256)._teamFee (Devolution.sol#215) is not in mixedCase
Parameter DeVolution.updateBuyFees(uint256,uint256,uint256,uint256,uint256,uint256)._liquidityFee (Devolution.sol#215) is not in mixedCase
Parameter DeVolution.updateBuyFees(uint256,uint256,uint256,uint256,uint256,uint256)._buybackFee (Devolution.sol#215) is not in mixedCase
Parameter DeVolution.updateBuyFees(uint256,uint256,uint256,uint256,uint256,uint256)._burnFee (Devolution.sol#215) is not in mixedCase
Parameter DeVolution.updateBuyFees(uint256,uint256,uint256,uint256,uint256,uint256)._ingameFee (Devolution.sol#215) is not in mixedCase
Parameter DeVolution.updateSellFees(uint256,uint256,uint256,uint256,uint256,uint256)._operationsFee (Devolution.sol#226) is not in mixedCase
Parameter DeVolution.updateSellFees(uint256,uint256,uint256,uint256,uint256,uint256)._teamFee (Devolution.sol#226) is not in mixedCase
Parameter DeVolution.updateSellFees(uint256,uint256,uint256,uint256,uint256,uint256)._liquidityFee (Devolution.sol#226) is not in mixedCase
Parameter DeVolution.updateSellFees(uint256,uint256,uint256,uint256,uint256,uint256)._buybackFee (Devolution.sol#226) is not in mixedCase
Parameter DeVolution.updateSellFees(uint256,uint256,uint256,uint256,uint256,uint256)._burnFee (Devolution.sol#226) is not in mixedCase
Parameter DeVolution.updateSellFees(uint256,uint256,uint256,uint256,uint256,uint256)._ingameFee (Devolution.sol#226) is not in mixedCase
Parameter DeVolution.setRouterVersion(address)._router (Devolution.sol#428) is not in mixedCase
Variable DeVolution._isExcludedMaxTransactionAmount (Devolution.sol#102) is not in mixedCase
Function IUniswapV2Pair.DOMAIN_SEPARATOR() (Libraries.sol#37) is not in mixedCase
Function IUniswapV2Pair.PERMIT_TYPEHASH() (Libraries.sol#38) is not in mixedCase
Function IUniswapV2Pair.MINIMUM_LIQUIDITY() (Libraries.sol#55) is not in mixedCase
Function IUniswapV2Router01.WETH() (Libraries.sol#728) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

Redundant expression "this (Libraries.sol#17)" inContext (Libraries.sol#11-20)
Remove redundant statements if they congest code but offer no value.

Additional information: link

Variable IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountADesired (Libraries.sol#733) is too similar to IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountBDesired (Libraries.sol#734)
Prevent variables from having similar names.

Additional information: link

DeVolution.updateSwapTokensAtAmount(uint256) (Devolution.sol#202-207) uses literals with too many digits:
- require(bool,string)(newAmount >= totalSupply() * 1 / 100000,Swap amount cannot be lower than 0.001% total supply.) (Devolution.sol#203)
Use: Ether suffix, Time suffix, or The scientific notation

Additional information: link

SafeMathInt.MAX_INT256 (Libraries.sol#659) is never used in SafeMathInt (Libraries.sol#657-715)
Remove unused state variables.

Additional information: link

DeVolution.burnWallet (Devolution.sol#62) should be constant
Add the constant attributes to state variables that never change.

Additional information: link

enableTrading() should be declared external:
- DeVolution.enableTrading() (Devolution.sol#190-193)
setAutomatedMarketMakerPair(address,bool) should be declared external:
- DeVolution.setAutomatedMarketMakerPair(address,bool) (Devolution.sol#252-256)
isExcludedFromFees(address) should be declared external:
- DeVolution.isExcludedFromFees(address) (Devolution.sol#275-277)
setRouterVersion(address) should be declared external:
- DeVolution.setRouterVersion(address) (Devolution.sol#428-435)
name() should be declared external:
- ERC20.name() (Libraries.sol#211-213)
symbol() should be declared external:
- ERC20.symbol() (Libraries.sol#219-221)
decimals() should be declared external:
- ERC20.decimals() (Libraries.sol#236-238)
transfer(address,uint256) should be declared external:
- ERC20.transfer(address,uint256) (Libraries.sol#262-265)
allowance(address,address) should be declared external:
- ERC20.allowance(address,address) (Libraries.sol#270-272)
approve(address,uint256) should be declared external:
- ERC20.approve(address,uint256) (Libraries.sol#281-284)
transferFrom(address,address,uint256) should be declared external:
- ERC20.transferFrom(address,address,uint256) (Libraries.sol#299-307)
increaseAllowance(address,uint256) should be declared external:
- ERC20.increaseAllowance(address,uint256) (Libraries.sol#321-324)
decreaseAllowance(address,uint256) should be declared external:
- ERC20.decreaseAllowance(address,uint256) (Libraries.sol#340-343)
renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (Libraries.sol#639-642)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (Libraries.sol#648-652)
Use the external attribute for functions never called from the contract.

Additional information: link

Holders:


Token is deployed only at one blockchain


Unable to find PancakeSwap trading pair to compute liquidity.


Unable to find PancakeSwap trading pair to compute number of swaps.


Last post in Twitter was more than 30 days ago


Unable to find Discord account


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 Telegram link on the website


Unable to find Twitter link on the website


Unable to find token on CoinHunt

Additional information: link


Unable to find code repository for the project


Young tokens have high risks of price dump / death


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


Young tokens have high risks of price dump / death


Young tokens have high risks of price dump / death


Young tokens have high risks of price dump / death


Token has relatively low CoinGecko rank

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