EverGain, a hyper-deflationary BSC token with automatic BNB rewards, buyback and a burn system. Additionally it features a 'GainTime' function that negates buy taxes during major marketing campaigns and announcements.
The token avoids inflation whilst simultaneously attracting new investors that can't manipulate the price at any given time. The EverGain team has extensive knowledge and expertise ensuring maximum exposure with effective marketing campaigns and partnerships expansive across all industries.
Unable to find manual contract audit (e.g. Certik, PeckShield, Solidity...)
EverGain._addLiquidity(uint256,uint256) (#1433-1443) sends eth to arbitrary user
Dangerous calls:
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1435-1442)
Ensure that an arbitrary user cannot withdraw unauthorized funds.
Additional information: link
Reentrancy in EverGain._transfer(address,address,uint256) (#1127-1207):
External calls:
- _swapAndLiquify() (#1174)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1435-1442)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1425-1431)
- (success) = address(dividendTracker).call{value: bnbForHolders}() (#1415)
External calls sending eth:
- _swapAndLiquify() (#1174)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1435-1442)
- address(buyBackWallet).transfer(bnbForBuyBack) (#1408)
- address(developmentWallet).transfer(bnbForDevelopment) (#1409)
- address(marketingWallet).transfer(bnbForMarketing) (#1410)
- (success) = address(dividendTracker).call{value: bnbForHolders}() (#1415)
State variables written after the call(s):
- super._transfer(from,address(this),fee) (#1186)
- _balances[sender] = _balances[sender].sub(amount,ERC20: transfer amount exceeds balance) (#509)
- _balances[recipient] = _balances[recipient].add(amount) (#510)
- super._transfer(from,to,amount) (#1195)
- _balances[sender] = _balances[sender].sub(amount,ERC20: transfer amount exceeds balance) (#509)
- _balances[recipient] = _balances[recipient].add(amount) (#510)
- (returnAmount,fee) = _getCurrentTotalFee(isBuyFromLp,amount) (#1184)
- _buyBackTokensToSwap = _buyBackTokensToSwap.add(amount.mul(buyBackFee).div(10000)) (#1263)
- _buyTimesInLaunch[to] = currentTimestamp (#1191)
- (returnAmount,fee) = _getCurrentTotalFee(isBuyFromLp,amount) (#1184)
- _developmentTokensToSwap = _developmentTokensToSwap.add(amount.mul(developmentFee).div(10000)) (#1264)
- (returnAmount,fee) = _getCurrentTotalFee(isBuyFromLp,amount) (#1184)
- _holdersTokensToSwap = _holdersTokensToSwap.add(amount.mul(holdersFee).div(10000)) (#1265)
- (returnAmount,fee) = _getCurrentTotalFee(isBuyFromLp,amount) (#1184)
- _liquidityTokensToSwap = _liquidityTokensToSwap.add(amount.mul(liquidityFee).div(10000)) (#1261)
- (returnAmount,fee) = _getCurrentTotalFee(isBuyFromLp,amount) (#1184)
- _marketingTokensToSwap = _marketingTokensToSwap.add(amount.mul(marketingFee).div(10000)) (#1262)
- _swapping = false (#1175)
Reentrancy in DividendPayingToken._withdrawDividendOfUser(address) (#630-643):
External calls:
- (success) = user.call{gas: 3000,value: _withdrawableDividend}() (#635)
State variables written after the call(s):
- withdrawnDividends[user] = withdrawnDividends[user].sub(_withdrawableDividend) (#637)
Apply the check-effects-interactions pattern.
Additional information: link
EverGain._name (#692) shadows:
- ERC20._name (#439)
EverGain._symbol (#693) shadows:
- ERC20._symbol (#440)
Remove the state variable shadowing.
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.
Reentrancy in EverGain._swapAndLiquify() (#1381-1419):
External calls:
- _swapTokensForBNB(amountToSwapForBNB) (#1392)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1425-1431)
State variables written after the call(s):
- _buyBackTokensToSwap = 0 (#1405)
- _developmentTokensToSwap = 0 (#1404)
- _holdersTokensToSwap = 0 (#1406)
- _liquidityTokensToSwap = 0 (#1402)
- _marketingTokensToSwap = 0 (#1403)
Reentrancy in EverGain.updateDividendTracker(address) (#875-885):
External calls:
- newDividendTracker.excludeFromDividends(address(newDividendTracker)) (#879)
- newDividendTracker.excludeFromDividends(address(this)) (#880)
- newDividendTracker.excludeFromDividends(owner()) (#881)
- newDividendTracker.excludeFromDividends(address(uniswapV2Router)) (#882)
State variables written after the call(s):
- dividendTracker = newDividendTracker (#884)
Apply the check-effects-interactions pattern.
Additional information: link
EverGain._transfer(address,address,uint256).iterations (#1202) is a local variable never initialized
EverGain._transfer(address,address,uint256).claims (#1202) is a local variable never initialized
EverGain._transfer(address,address,uint256).lastProcessedIndex (#1202) 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
EverGain.claim() (#1050-1052) ignores return value by dividendTracker.processAccount(address(msg.sender),false) (#1051)
EverGain._transfer(address,address,uint256) (#1127-1207) ignores return value by dividendTracker.process(gas) (#1202-1205)
EverGain._addLiquidity(uint256,uint256) (#1433-1443) ignores return value by uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1435-1442)
Ensure that all the return values of the function calls are used.
Additional information: link
DividendPayingToken.constructor(string,string)._name (#599) shadows:
- ERC20._name (#439) (state variable)
DividendPayingToken.constructor(string,string)._symbol (#599) shadows:
- ERC20._symbol (#440) (state variable)
Rename the local variables that shadow another component.
Additional information: link
DividendPayingToken._withdrawDividendOfUser(address) (#630-643) has external calls inside a loop: (success) = user.call{gas: 3000,value: _withdrawableDividend}() (#635)
Favor pull over push strategy for external calls.
Additional information: link
Variable 'EverGain._transfer(address,address,uint256).claims (#1202)' in EverGain._transfer(address,address,uint256) (#1127-1207) potentially used before declaration: ProcessedDividendTracker(iterations,claims,lastProcessedIndex,true,gas,tx.origin) (#1203)
Variable 'EverGain._transfer(address,address,uint256).iterations (#1202)' in EverGain._transfer(address,address,uint256) (#1127-1207) potentially used before declaration: ProcessedDividendTracker(iterations,claims,lastProcessedIndex,true,gas,tx.origin) (#1203)
Variable 'EverGain._transfer(address,address,uint256).lastProcessedIndex (#1202)' in EverGain._transfer(address,address,uint256) (#1127-1207) potentially used before declaration: ProcessedDividendTracker(iterations,claims,lastProcessedIndex,true,gas,tx.origin) (#1203)
Move all variable declarations prior to any usage of the variable, and ensure that reaching a variable declaration does not depend on some conditional if it is used unconditionally.
Additional information: link
Reentrancy in EverGain._swapAndLiquify() (#1381-1419):
External calls:
- _swapTokensForBNB(amountToSwapForBNB) (#1392)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1425-1431)
- _addLiquidity(tokensInEverGainForLiquidity,bnbForLiquidity) (#1412)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1435-1442)
External calls sending eth:
- address(buyBackWallet).transfer(bnbForBuyBack) (#1408)
- address(developmentWallet).transfer(bnbForDevelopment) (#1409)
- address(marketingWallet).transfer(bnbForMarketing) (#1410)
- _addLiquidity(tokensInEverGainForLiquidity,bnbForLiquidity) (#1412)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1435-1442)
State variables written after the call(s):
- _addLiquidity(tokensInEverGainForLiquidity,bnbForLiquidity) (#1412)
- _allowances[owner][spender] = amount (#537)
Reentrancy in EverGain.constructor() (#804-837):
External calls:
- _uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (#814)
State variables written after the call(s):
- uniswapV2Pair = _uniswapV2Pair (#816)
- uniswapV2Router = _uniswapV2Router (#815)
Reentrancy in EverGain.constructor() (#804-837):
External calls:
- _uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (#814)
- _setAutomatedMarketMakerPair(_uniswapV2Pair,true) (#817)
- dividendTracker.excludeFromDividends(pair) (#890)
State variables written after the call(s):
- _isExcludedFromFee[owner()] = true (#819)
- _isExcludedFromFee[address(this)] = true (#820)
Reentrancy in EverGain.constructor() (#804-837):
External calls:
- _uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (#814)
- _setAutomatedMarketMakerPair(_uniswapV2Pair,true) (#817)
- dividendTracker.excludeFromDividends(pair) (#890)
- dividendTracker.excludeFromDividends(address(dividendTracker)) (#822)
- dividendTracker.excludeFromDividends(address(this)) (#823)
- dividendTracker.excludeFromDividends(address(0x000000000000000000000000000000000000dEaD)) (#824)
- dividendTracker.excludeFromDividends(owner()) (#825)
- dividendTracker.excludeFromDividends(address(_uniswapV2Router)) (#826)
State variables written after the call(s):
- _mint(owner(),initialSupply) (#836)
- _balances[account] = _balances[account].add(amount) (#518)
- _isExcludedFromMaxTransactionLimit[address(dividendTracker)] = true (#828)
- _isExcludedFromMaxTransactionLimit[address(this)] = true (#829)
- _isExcludedFromMaxWalletLimit[_uniswapV2Pair] = true (#831)
- _isExcludedFromMaxWalletLimit[address(uniswapV2Router)] = true (#832)
- _isExcludedFromMaxWalletLimit[address(this)] = true (#833)
- _isExcludedFromMaxWalletLimit[owner()] = true (#834)
- _mint(owner(),initialSupply) (#836)
- _totalSupply = _totalSupply.add(amount) (#517)
Reentrancy in EverGainDividendTracker.processAccount(address,bool) (#1597-1605):
External calls:
- amount = _withdrawDividendOfUser(account) (#1598)
- (success) = user.call{gas: 3000,value: _withdrawableDividend}() (#635)
State variables written after the call(s):
- lastClaimTimes[account] = block.timestamp (#1600)
Apply the check-effects-interactions pattern.
Additional information: link
Reentrancy in EverGain._setAutomatedMarketMakerPair(address,bool) (#886-893):
External calls:
- dividendTracker.excludeFromDividends(pair) (#890)
Event emitted after the call(s):
- AutomatedMarketMakerPairChange(pair,value) (#892)
Reentrancy in EverGain._swapAndLiquify() (#1381-1419):
External calls:
- _swapTokensForBNB(amountToSwapForBNB) (#1392)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1425-1431)
- _addLiquidity(tokensInEverGainForLiquidity,bnbForLiquidity) (#1412)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1435-1442)
External calls sending eth:
- address(buyBackWallet).transfer(bnbForBuyBack) (#1408)
- address(developmentWallet).transfer(bnbForDevelopment) (#1409)
- address(marketingWallet).transfer(bnbForMarketing) (#1410)
- _addLiquidity(tokensInEverGainForLiquidity,bnbForLiquidity) (#1412)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1435-1442)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#538)
- _addLiquidity(tokensInEverGainForLiquidity,bnbForLiquidity) (#1412)
- SwapAndLiquify(amountToSwapForBNB,bnbForLiquidity,tokensInEverGainForLiquidity) (#1413)
Reentrancy in EverGain._swapAndLiquify() (#1381-1419):
External calls:
- _swapTokensForBNB(amountToSwapForBNB) (#1392)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1425-1431)
- _addLiquidity(tokensInEverGainForLiquidity,bnbForLiquidity) (#1412)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1435-1442)
- (success) = address(dividendTracker).call{value: bnbForHolders}() (#1415)
External calls sending eth:
- address(buyBackWallet).transfer(bnbForBuyBack) (#1408)
- address(developmentWallet).transfer(bnbForDevelopment) (#1409)
- address(marketingWallet).transfer(bnbForMarketing) (#1410)
- _addLiquidity(tokensInEverGainForLiquidity,bnbForLiquidity) (#1412)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1435-1442)
- (success) = address(dividendTracker).call{value: bnbForHolders}() (#1415)
Event emitted after the call(s):
- DividendsSent(bnbForHolders) (#1417)
Reentrancy in EverGain._transfer(address,address,uint256) (#1127-1207):
External calls:
- _swapAndLiquify() (#1174)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1435-1442)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1425-1431)
- (success) = address(dividendTracker).call{value: bnbForHolders}() (#1415)
External calls sending eth:
- _swapAndLiquify() (#1174)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1435-1442)
- address(buyBackWallet).transfer(bnbForBuyBack) (#1408)
- address(developmentWallet).transfer(bnbForDevelopment) (#1409)
- address(marketingWallet).transfer(bnbForMarketing) (#1410)
- (success) = address(dividendTracker).call{value: bnbForHolders}() (#1415)
Event emitted after the call(s):
- Transfer(sender,recipient,amount) (#511)
- super._transfer(from,address(this),fee) (#1186)
- Transfer(sender,recipient,amount) (#511)
- super._transfer(from,to,amount) (#1195)
Reentrancy in EverGain._transfer(address,address,uint256) (#1127-1207):
External calls:
- _swapAndLiquify() (#1174)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1435-1442)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1425-1431)
- (success) = address(dividendTracker).call{value: bnbForHolders}() (#1415)
- dividendTracker.setBalance(address(from),balanceOf(from)) (#1197)
- dividendTracker.setBalance(address(to),balanceOf(to)) (#1198)
- dividendTracker.process(gas) (#1202-1205)
External calls sending eth:
- _swapAndLiquify() (#1174)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1435-1442)
- address(buyBackWallet).transfer(bnbForBuyBack) (#1408)
- address(developmentWallet).transfer(bnbForDevelopment) (#1409)
- address(marketingWallet).transfer(bnbForMarketing) (#1410)
- (success) = address(dividendTracker).call{value: bnbForHolders}() (#1415)
Event emitted after the call(s):
- ProcessedDividendTracker(iterations,claims,lastProcessedIndex,true,gas,tx.origin) (#1203)
Reentrancy in EverGain.constructor() (#804-837):
External calls:
- _uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (#814)
- _setAutomatedMarketMakerPair(_uniswapV2Pair,true) (#817)
- dividendTracker.excludeFromDividends(pair) (#890)
Event emitted after the call(s):
- AutomatedMarketMakerPairChange(pair,value) (#892)
- _setAutomatedMarketMakerPair(_uniswapV2Pair,true) (#817)
Reentrancy in EverGain.constructor() (#804-837):
External calls:
- _uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (#814)
- _setAutomatedMarketMakerPair(_uniswapV2Pair,true) (#817)
- dividendTracker.excludeFromDividends(pair) (#890)
- dividendTracker.excludeFromDividends(address(dividendTracker)) (#822)
- dividendTracker.excludeFromDividends(address(this)) (#823)
- dividendTracker.excludeFromDividends(address(0x000000000000000000000000000000000000dEaD)) (#824)
- dividendTracker.excludeFromDividends(owner()) (#825)
- dividendTracker.excludeFromDividends(address(_uniswapV2Router)) (#826)
Event emitted after the call(s):
- Transfer(address(0),account,amount) (#519)
- _mint(owner(),initialSupply) (#836)
Reentrancy in EverGainDividendTracker.processAccount(address,bool) (#1597-1605):
External calls:
- amount = _withdrawDividendOfUser(account) (#1598)
- (success) = user.call{gas: 3000,value: _withdrawableDividend}() (#635)
Event emitted after the call(s):
- Claim(account,amount,automatic) (#1601)
Reentrancy in EverGain.processDividendTracker(uint256) (#1046-1049):
External calls:
- (iterations,claims,lastProcessedIndex) = dividendTracker.process(gas) (#1047)
Event emitted after the call(s):
- ProcessedDividendTracker(iterations,claims,lastProcessedIndex,false,gas,tx.origin) (#1048)
Reentrancy in EverGain.updateDividendTracker(address) (#875-885):
External calls:
- newDividendTracker.excludeFromDividends(address(newDividendTracker)) (#879)
- newDividendTracker.excludeFromDividends(address(this)) (#880)
- newDividendTracker.excludeFromDividends(owner()) (#881)
- newDividendTracker.excludeFromDividends(address(uniswapV2Router)) (#882)
Event emitted after the call(s):
- DividendTrackerChange(newAddress,address(dividendTracker)) (#883)
Apply the check-effects-interactions pattern.
Additional information: link
EverGain.blacklistAccount(address) (#912-920) uses timestamp for comparisons
Dangerous comparisons:
- require(bool,string)(currentTimestamp.sub(_launchStartTimestamp) < _blacklistTimeLimit,EverGain: Time to blacklist accounts has expired) (#916)
EverGain.isInGain() (#1055-1064) uses timestamp for comparisons
Dangerous comparisons:
- timeSinceGain < totalGainTime (#1059)
- ! isTradingEnabled && _tradingPausedTimestamp > _gainStartTimestamp (#1056)
EverGain.isInLaunch() (#1065-1076) uses timestamp for comparisons
Dangerous comparisons:
- _isLanched && (timeSinceLaunch < totalLaunchTime || blocksSinceLaunch < _launch1.blocksInPeriod) (#1071)
- ! isTradingEnabled && _tradingPausedTimestamp > _launchStartTimestamp (#1066)
EverGain._transfer(address,address,uint256) (#1127-1207) uses timestamp for comparisons
Dangerous comparisons:
- _isInLaunch && currentTimestamp.sub(_launchStartTimestamp) <= 300 && isBuyFromLp (#1150)
- require(bool,string)(currentTimestamp.sub(_buyTimesInLaunch[to]) > 60,EverGain: Cannot buy more than once per min in first 5min of launch) (#1151)
- _isInLaunch && currentTimestamp.sub(_launchStartTimestamp) <= 300 (#1189)
- to != owner() && isBuyFromLp && currentTimestamp.sub(_buyTimesInLaunch[to]) > 60 (#1190)
- ! isTradingEnabled && _tradingPausedTimestamp > _launchStartTimestamp (#1144)
EverGain._isInLaunch2() (#1275-1284) uses timestamp for comparisons
Dangerous comparisons:
- timeSinceLaunch < _launch1.timeInPeriod && blocksSinceLaunch > _launch1.blocksInPeriod (#1279)
- ! isTradingEnabled && _tradingPausedTimestamp > _launchStartTimestamp (#1276)
EverGain._isInLaunch3() (#1285-1295) uses timestamp for comparisons
Dangerous comparisons:
- timeSinceLaunch > _launch2.timeInPeriod && timeSinceLaunch < timeInLaunch && blocksSinceLaunch > _launch1.blocksInPeriod (#1290)
- ! isTradingEnabled && _tradingPausedTimestamp > _launchStartTimestamp (#1286)
EverGain._isInGain1() (#1296-1304) uses timestamp for comparisons
Dangerous comparisons:
- timeSinceGain < _gain1.timeInPeriod (#1299)
- ! isTradingEnabled && _tradingPausedTimestamp > _gainStartTimestamp (#1297)
EverGain._isInGain2() (#1305-1313) uses timestamp for comparisons
Dangerous comparisons:
- timeSinceGain > _gain1.timeInPeriod && timeSinceGain < _gain1.timeInPeriod.add(_gain2.timeInPeriod) (#1308)
- ! isTradingEnabled && _tradingPausedTimestamp > _gainStartTimestamp (#1306)
EverGain._isInGain3() (#1314-1324) uses timestamp for comparisons
Dangerous comparisons:
- timeSinceGain > totalTimeInGain1 && timeSinceGain < totalTimeInGain2 (#1319)
- ! isTradingEnabled && _tradingPausedTimestamp > _gainStartTimestamp (#1315)
EverGainDividendTracker.getAccount(address) (#1497-1525) uses timestamp for comparisons
Dangerous comparisons:
- nextClaimTime > block.timestamp (#1524)
EverGainDividendTracker.canAutoClaim(uint256) (#1542-1547) uses timestamp for comparisons
Dangerous comparisons:
- lastClaimTime > block.timestamp (#1543)
- block.timestamp.sub(lastClaimTime) >= claimWait (#1546)
Avoid relying on block.timestamp.
Additional information: link
Context._msgData() (#10-13) is never used and should be removed
DividendPayingToken._transfer(address,address,uint256) (#657-662) is never used and should be removed
EverGain._isInGain3() (#1314-1324) is never used and should be removed
EverGain._isInLaunch3() (#1285-1295) is never used and should be removed
SafeMath.mod(uint256,uint256) (#62-64) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (#66-69) is never used and should be removed
SafeMathInt.abs(int256) (#101-104) is never used and should be removed
SafeMathInt.div(int256,int256) (#84-90) is never used and should be removed
SafeMathInt.mul(int256,int256) (#76-83) is never used and should be removed
Remove unused functions.
Additional information: link
solc-0.8.10 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 DividendPayingToken._withdrawDividendOfUser(address) (#630-643):
- (success) = user.call{gas: 3000,value: _withdrawableDividend}() (#635)
Low level call in EverGain._swapAndLiquify() (#1381-1419):
- (success) = address(dividendTracker).call{value: bnbForHolders}() (#1415)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence
Additional information: link
Function IUniswapV2Router01.WETH() (#227) is not in mixedCase
Function IUniswapV2Pair.DOMAIN_SEPARATOR() (#375) is not in mixedCase
Function IUniswapV2Pair.PERMIT_TYPEHASH() (#376) is not in mixedCase
Function IUniswapV2Pair.MINIMUM_LIQUIDITY() (#393) is not in mixedCase
Parameter DividendPayingToken.dividendOf(address)._owner (#644) is not in mixedCase
Parameter DividendPayingToken.withdrawableDividendOf(address)._owner (#647) is not in mixedCase
Parameter DividendPayingToken.withdrawnDividendOf(address)._owner (#650) is not in mixedCase
Parameter DividendPayingToken.accumulativeDividendOf(address)._owner (#653) is not in mixedCase
Constant DividendPayingToken.magnitude (#581) is not in UPPER_CASE_WITH_UNDERSCORES
Parameter EverGain.setGain1BuyFees(uint256,uint256,uint256,uint256,uint256)._liquidityFeeOnBuy (#996) is not in mixedCase
Parameter EverGain.setGain1BuyFees(uint256,uint256,uint256,uint256,uint256)._marketingFeeOnBuy (#996) is not in mixedCase
Parameter EverGain.setGain1BuyFees(uint256,uint256,uint256,uint256,uint256)._buyBackFeeOnBuy (#996) is not in mixedCase
Parameter EverGain.setGain1BuyFees(uint256,uint256,uint256,uint256,uint256)._developmentFeeOnBuy (#996) is not in mixedCase
Parameter EverGain.setGain1BuyFees(uint256,uint256,uint256,uint256,uint256)._holdersFeeOnBuy (#996) is not in mixedCase
Parameter EverGain.setGain1SellFees(uint256,uint256,uint256,uint256,uint256)._liquidityFeeOnSell (#999) is not in mixedCase
Parameter EverGain.setGain1SellFees(uint256,uint256,uint256,uint256,uint256)._marketingFeeOnSell (#999) is not in mixedCase
Parameter EverGain.setGain1SellFees(uint256,uint256,uint256,uint256,uint256)._buyBackFeeOnSell (#999) is not in mixedCase
Parameter EverGain.setGain1SellFees(uint256,uint256,uint256,uint256,uint256)._developmentFeeOnSell (#999) is not in mixedCase
Parameter EverGain.setGain1SellFees(uint256,uint256,uint256,uint256,uint256)._holdersFeeOnSell (#999) is not in mixedCase
Parameter EverGain.setGain2BuyFees(uint256,uint256,uint256,uint256,uint256)._liquidityFeeOnBuy (#1002) is not in mixedCase
Parameter EverGain.setGain2BuyFees(uint256,uint256,uint256,uint256,uint256)._marketingFeeOnBuy (#1002) is not in mixedCase
Parameter EverGain.setGain2BuyFees(uint256,uint256,uint256,uint256,uint256)._buyBackFeeOnBuy (#1002) is not in mixedCase
Parameter EverGain.setGain2BuyFees(uint256,uint256,uint256,uint256,uint256)._developmentFeeOnBuy (#1002) is not in mixedCase
Parameter EverGain.setGain2BuyFees(uint256,uint256,uint256,uint256,uint256)._holdersFeeOnBuy (#1002) is not in mixedCase
Parameter EverGain.setGain2SellFees(uint256,uint256,uint256,uint256,uint256)._liquidityFeeOnSell (#1005) is not in mixedCase
Parameter EverGain.setGain2SellFees(uint256,uint256,uint256,uint256,uint256)._marketingFeeOnSell (#1005) is not in mixedCase
Parameter EverGain.setGain2SellFees(uint256,uint256,uint256,uint256,uint256)._buyBackFeeOnSell (#1005) is not in mixedCase
Parameter EverGain.setGain2SellFees(uint256,uint256,uint256,uint256,uint256)._developmentFeeOnSell (#1005) is not in mixedCase
Parameter EverGain.setGain2SellFees(uint256,uint256,uint256,uint256,uint256)._holdersFeeOnSell (#1005) is not in mixedCase
Parameter EverGain.setGain3BuyFees(uint256,uint256,uint256,uint256,uint256)._liquidityFeeOnBuy (#1008) is not in mixedCase
Parameter EverGain.setGain3BuyFees(uint256,uint256,uint256,uint256,uint256)._marketingFeeOnBuy (#1008) is not in mixedCase
Parameter EverGain.setGain3BuyFees(uint256,uint256,uint256,uint256,uint256)._buyBackFeeOnBuy (#1008) is not in mixedCase
Parameter EverGain.setGain3BuyFees(uint256,uint256,uint256,uint256,uint256)._developmentFeeOnBuy (#1008) is not in mixedCase
Parameter EverGain.setGain3BuyFees(uint256,uint256,uint256,uint256,uint256)._holdersFeeOnBuy (#1008) is not in mixedCase
Parameter EverGain.setGain3SellFees(uint256,uint256,uint256,uint256,uint256)._liquidityFeeOnSell (#1011) is not in mixedCase
Parameter EverGain.setGain3SellFees(uint256,uint256,uint256,uint256,uint256)._marketingFeeOnSell (#1011) is not in mixedCase
Parameter EverGain.setGain3SellFees(uint256,uint256,uint256,uint256,uint256)._buyBackFeeOnSell (#1011) is not in mixedCase
Parameter EverGain.setGain3SellFees(uint256,uint256,uint256,uint256,uint256)._developmentFeeOnSell (#1011) is not in mixedCase
Parameter EverGain.setGain3SellFees(uint256,uint256,uint256,uint256,uint256)._holdersFeeOnSell (#1011) is not in mixedCase
Constant EverGain.initialSupply (#701) is not in UPPER_CASE_WITH_UNDERSCORES
Parameter EverGainDividendTracker.getAccount(address)._account (#1497) 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.
Additional information: link
Reentrancy in EverGain._swapAndLiquify() (#1381-1419):
External calls:
- address(buyBackWallet).transfer(bnbForBuyBack) (#1408)
- address(developmentWallet).transfer(bnbForDevelopment) (#1409)
- address(marketingWallet).transfer(bnbForMarketing) (#1410)
External calls sending eth:
- address(buyBackWallet).transfer(bnbForBuyBack) (#1408)
- address(developmentWallet).transfer(bnbForDevelopment) (#1409)
- address(marketingWallet).transfer(bnbForMarketing) (#1410)
- _addLiquidity(tokensInEverGainForLiquidity,bnbForLiquidity) (#1412)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1435-1442)
State variables written after the call(s):
- _addLiquidity(tokensInEverGainForLiquidity,bnbForLiquidity) (#1412)
- _allowances[owner][spender] = amount (#537)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#538)
- _addLiquidity(tokensInEverGainForLiquidity,bnbForLiquidity) (#1412)
- SwapAndLiquify(amountToSwapForBNB,bnbForLiquidity,tokensInEverGainForLiquidity) (#1413)
Reentrancy in EverGain._swapAndLiquify() (#1381-1419):
External calls:
- address(buyBackWallet).transfer(bnbForBuyBack) (#1408)
- address(developmentWallet).transfer(bnbForDevelopment) (#1409)
- address(marketingWallet).transfer(bnbForMarketing) (#1410)
External calls sending eth:
- address(buyBackWallet).transfer(bnbForBuyBack) (#1408)
- address(developmentWallet).transfer(bnbForDevelopment) (#1409)
- address(marketingWallet).transfer(bnbForMarketing) (#1410)
- _addLiquidity(tokensInEverGainForLiquidity,bnbForLiquidity) (#1412)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1435-1442)
- (success) = address(dividendTracker).call{value: bnbForHolders}() (#1415)
Event emitted after the call(s):
- DividendsSent(bnbForHolders) (#1417)
Reentrancy in EverGain._transfer(address,address,uint256) (#1127-1207):
External calls:
- _swapAndLiquify() (#1174)
- address(buyBackWallet).transfer(bnbForBuyBack) (#1408)
- address(developmentWallet).transfer(bnbForDevelopment) (#1409)
- address(marketingWallet).transfer(bnbForMarketing) (#1410)
External calls sending eth:
- _swapAndLiquify() (#1174)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#1435-1442)
- address(buyBackWallet).transfer(bnbForBuyBack) (#1408)
- address(developmentWallet).transfer(bnbForDevelopment) (#1409)
- address(marketingWallet).transfer(bnbForMarketing) (#1410)
- (success) = address(dividendTracker).call{value: bnbForHolders}() (#1415)
State variables written after the call(s):
- super._transfer(from,address(this),fee) (#1186)
- _balances[sender] = _balances[sender].sub(amount,ERC20: transfer amount exceeds balance) (#509)
- _balances[recipient] = _balances[recipient].add(amount) (#510)
- super._transfer(from,to,amount) (#1195)
- _balances[sender] = _balances[sender].sub(amount,ERC20: transfer amount exceeds balance) (#509)
- _balances[recipient] = _balances[recipient].add(amount) (#510)
- (returnAmount,fee) = _getCurrentTotalFee(isBuyFromLp,amount) (#1184)
- _buyBackTokensToSwap = _buyBackTokensToSwap.add(amount.mul(buyBackFee).div(10000)) (#1263)
- _buyTimesInLaunch[to] = currentTimestamp (#1191)
- (returnAmount,fee) = _getCurrentTotalFee(isBuyFromLp,amount) (#1184)
- _developmentTokensToSwap = _developmentTokensToSwap.add(amount.mul(developmentFee).div(10000)) (#1264)
- (returnAmount,fee) = _getCurrentTotalFee(isBuyFromLp,amount) (#1184)
- _holdersTokensToSwap = _holdersTokensToSwap.add(amount.mul(holdersFee).div(10000)) (#1265)
- (returnAmount,fee) = _getCurrentTotalFee(isBuyFromLp,amount) (#1184)
- _liquidityTokensToSwap = _liquidityTokensToSwap.add(amount.mul(liquidityFee).div(10000)) (#1261)
- (returnAmount,fee) = _getCurrentTotalFee(isBuyFromLp,amount) (#1184)
- _marketingTokensToSwap = _marketingTokensToSwap.add(amount.mul(marketingFee).div(10000)) (#1262)
- _swapping = false (#1175)
Event emitted after the call(s):
- ProcessedDividendTracker(iterations,claims,lastProcessedIndex,true,gas,tx.origin) (#1203)
- Transfer(sender,recipient,amount) (#511)
- super._transfer(from,to,amount) (#1195)
- Transfer(sender,recipient,amount) (#511)
- super._transfer(from,address(this),fee) (#1186)
Apply the check-effects-interactions pattern.
Additional information: link
Variable IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountADesired (#232) is too similar to IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountBDesired (#233)
Variable EverGain._getCurrentTotalFee(bool,uint256)._isInLaunch1Period (#1216) is too similar to EverGain._getCurrentTotalFee(bool,uint256)._isInLaunch2Period (#1217)
Variable EverGain._isInGain3().totalTimeInGain1 (#1317) is too similar to EverGain._isInGain3().totalTimeInGain2 (#1318)
Variable DividendPayingToken._withdrawDividendOfUser(address)._withdrawableDividend (#631) is too similar to EverGainDividendTracker.getAccount(address).withdrawableDividends (#1502)
Prevent variables from having similar names.
Additional information: link
EverGain.constructor() (#804-837) uses literals with too many digits:
- dividendTracker.excludeFromDividends(address(0x000000000000000000000000000000000000dEaD)) (#824)
EverGain.setGasForProcessing(uint256) (#1019-1024) uses literals with too many digits:
- require(bool,string)(newValue >= 200000 && newValue <= 500000,EverGain: gasForProcessing must be between 200,000 and 500,000) (#1020)
EverGain.slitherConstructorVariables() (#686-1444) uses literals with too many digits:
- minimumTokensBeforeSwap = 25000000 * (10 ** 18) (#707)
EverGain.slitherConstructorVariables() (#686-1444) uses literals with too many digits:
- gasForProcessing = 300000 (#708)
EverGain.slitherConstructorConstantVariables() (#686-1444) uses literals with too many digits:
- initialSupply = 100000000000 * (10 ** 18) (#701)
EverGainDividendTracker.constructor() (#1464-1467) uses literals with too many digits:
- minimumTokenBalanceForDividends = 5000000 * (10 ** 18) (#1466)
EverGainDividendTracker.getAccountAtIndex(uint256) (#1526-1541) uses literals with too many digits:
- (0x0000000000000000000000000000000000000000,- 1,- 1,0,0,0,0,0) (#1537)
Use: Ether suffix, Time suffix, or The scientific notation
Additional information: link
SafeMathInt.MAX_INT256 (#74) is never used in SafeMathInt (#72-109)
EverGain._name (#692) is never used in EverGain (#686-1444)
EverGain._symbol (#693) is never used in EverGain (#686-1444)
EverGain._decimals (#694) is never used in EverGain (#686-1444)
EverGain._launchSellMaximum (#739) is never used in EverGain (#686-1444)
Remove unused state variables.
Additional information: link
EverGain._blacklistTimeLimit (#763) should be constant
EverGain._decimals (#694) should be constant
EverGain._launchSellMaximum (#739) should be constant
EverGain._name (#692) should be constant
EverGain._symbol (#693) should be constant
Add the constant attributes to state variables that never change.
Additional information: link
get(IterableMapping.Map,address) should be declared external:
- IterableMapping.get(IterableMapping.Map,address) (#127-129)
getIndexOfKey(IterableMapping.Map,address) should be declared external:
- IterableMapping.getIndexOfKey(IterableMapping.Map,address) (#131-136)
getKeyAtIndex(IterableMapping.Map,uint256) should be declared external:
- IterableMapping.getKeyAtIndex(IterableMapping.Map,uint256) (#138-140)
size(IterableMapping.Map) should be declared external:
- IterableMapping.size(IterableMapping.Map) (#142-144)
renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (#197-200)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (#202-206)
name() should be declared external:
- ERC20.name() (#447-449)
symbol() should be declared external:
- ERC20.symbol() (#451-453)
decimals() should be declared external:
- ERC20.decimals() (#455-457)
transfer(address,uint256) should be declared external:
- ERC20.transfer(address,uint256) (#467-470)
allowance(address,address) should be declared external:
- ERC20.allowance(address,address) (#472-474)
approve(address,uint256) should be declared external:
- ERC20.approve(address,uint256) (#476-479)
transferFrom(address,address,uint256) should be declared external:
- ERC20.transferFrom(address,address,uint256) (#481-489)
increaseAllowance(address,uint256) should be declared external:
- ERC20.increaseAllowance(address,uint256) (#491-494)
decreaseAllowance(address,uint256) should be declared external:
- ERC20.decreaseAllowance(address,uint256) (#496-499)
withdrawDividend() should be declared external:
- DividendPayingToken.withdrawDividend() (#627-629)
- EverGainDividendTracker.withdrawDividend() (#1471-1473)
dividendOf(address) should be declared external:
- DividendPayingToken.dividendOf(address) (#644-646)
withdrawnDividendOf(address) should be declared external:
- DividendPayingToken.withdrawnDividendOf(address) (#650-652)
launch() should be declared external:
- EverGain.launch() (#845-850)
cancelLaunch() should be declared external:
- EverGain.cancelLaunch() (#851-855)
activateTrading() should be declared external:
- EverGain.activateTrading() (#856-858)
deactivateTrading() should be declared external:
- EverGain.deactivateTrading() (#859-862)
setEverGain() should be declared external:
- EverGain.setEverGain() (#863-869)
cancelEverGain() should be declared external:
- EverGain.cancelEverGain() (#870-874)
updateDividendTracker(address) should be declared external:
- EverGain.updateDividendTracker(address) (#875-885)
excludeFromFees(address,bool) should be declared external:
- EverGain.excludeFromFees(address,bool) (#894-898)
excludeFromDividends(address) should be declared external:
- EverGain.excludeFromDividends(address) (#899-901)
excludeFromMaxTransactionLimit(address,bool) should be declared external:
- EverGain.excludeFromMaxTransactionLimit(address,bool) (#902-906)
excludeFromMaxWalletLimit(address,bool) should be declared external:
- EverGain.excludeFromMaxWalletLimit(address,bool) (#907-911)
blacklistAccount(address) should be declared external:
- EverGain.blacklistAccount(address) (#912-920)
unBlacklistAccount(address) should be declared external:
- EverGain.unBlacklistAccount(address) (#921-925)
setLiquidityWallet(address) should be declared external:
- EverGain.setLiquidityWallet(address) (#926-930)
setMarketingWallet(address) should be declared external:
- EverGain.setMarketingWallet(address) (#931-935)
setBuyBackWallet(address) should be declared external:
- EverGain.setBuyBackWallet(address) (#936-940)
setDevelopmentWallet(address) should be declared external:
- EverGain.setDevelopmentWallet(address) (#941-945)
setLiquidityFeeOnBuy(uint256) should be declared external:
- EverGain.setLiquidityFeeOnBuy(uint256) (#946-950)
setMarketingFeeOnBuy(uint256) should be declared external:
- EverGain.setMarketingFeeOnBuy(uint256) (#951-955)
setHolderFeeOnBuy(uint256) should be declared external:
- EverGain.setHolderFeeOnBuy(uint256) (#956-960)
setBuyBackFeeOnBuy(uint256) should be declared external:
- EverGain.setBuyBackFeeOnBuy(uint256) (#961-965)
setDevelopmentFeeOnBuy(uint256) should be declared external:
- EverGain.setDevelopmentFeeOnBuy(uint256) (#966-970)
setLiquidityFeeOnSell(uint256) should be declared external:
- EverGain.setLiquidityFeeOnSell(uint256) (#971-975)
setMarketingFeeOnSell(uint256) should be declared external:
- EverGain.setMarketingFeeOnSell(uint256) (#976-980)
setHolderFeeOnSell(uint256) should be declared external:
- EverGain.setHolderFeeOnSell(uint256) (#981-985)
setBuyBackFeeOnSell(uint256) should be declared external:
- EverGain.setBuyBackFeeOnSell(uint256) (#986-990)
setDevelopmentFeeOnSell(uint256) should be declared external:
- EverGain.setDevelopmentFeeOnSell(uint256) (#991-995)
setGain1BuyFees(uint256,uint256,uint256,uint256,uint256) should be declared external:
- EverGain.setGain1BuyFees(uint256,uint256,uint256,uint256,uint256) (#996-998)
setGain1SellFees(uint256,uint256,uint256,uint256,uint256) should be declared external:
- EverGain.setGain1SellFees(uint256,uint256,uint256,uint256,uint256) (#999-1001)
setGain2BuyFees(uint256,uint256,uint256,uint256,uint256) should be declared external:
- EverGain.setGain2BuyFees(uint256,uint256,uint256,uint256,uint256) (#1002-1004)
setGain2SellFees(uint256,uint256,uint256,uint256,uint256) should be declared external:
- EverGain.setGain2SellFees(uint256,uint256,uint256,uint256,uint256) (#1005-1007)
setGain3BuyFees(uint256,uint256,uint256,uint256,uint256) should be declared external:
- EverGain.setGain3BuyFees(uint256,uint256,uint256,uint256,uint256) (#1008-1010)
setGain3SellFees(uint256,uint256,uint256,uint256,uint256) should be declared external:
- EverGain.setGain3SellFees(uint256,uint256,uint256,uint256,uint256) (#1011-1013)
setUniswapV2Router(address) should be declared external:
- EverGain.setUniswapV2Router(address) (#1014-1018)
setGasForProcessing(uint256) should be declared external:
- EverGain.setGasForProcessing(uint256) (#1019-1024)
setMaxTxAmount(uint256) should be declared external:
- EverGain.setMaxTxAmount(uint256) (#1025-1029)
setMaxWalletAmount(uint256) should be declared external:
- EverGain.setMaxWalletAmount(uint256) (#1030-1034)
setMinimumTokensBeforeSwap(uint256) should be declared external:
- EverGain.setMinimumTokensBeforeSwap(uint256) (#1035-1039)
setMinimumTokenBalanceForDividends(uint256) should be declared external:
- EverGain.setMinimumTokenBalanceForDividends(uint256) (#1040-1042)
withdrawableDividendOf(address) should be declared external:
- EverGain.withdrawableDividendOf(address) (#1083-1085)
dividendTokenBalanceOf(address) should be declared external:
- EverGain.dividendTokenBalanceOf(address) (#1086-1088)
getAccountAtIndex(uint256) should be declared external:
- EverGainDividendTracker.getAccountAtIndex(uint256) (#1526-1541)
process(uint256) should be declared external:
- EverGainDividendTracker.process(uint256) (#1562-1595)
Use the external attribute for functions never called from the contract.
Additional information: link
Average PancakeSwap trading volume, liqudity, number of swaps are extremely low. Token seems to be dead.
Number of Binance Smart Chain (BSC) token holders is low.
Token is deployed only at one blockchain
Token has only one trading pair
Unable to find PancakeSwap trading pair to compute liquidity.
Unable to find PancakeSwap trading pair to compute volume.
Unable to find PancakeSwap trading pair to compute number of swaps.
Unable to crawl data from the website
BscScan page for the token does not contain additional info: website, socials, description, etc.
Additional information: link
Unable to find token on CoinMarketCap
Additional information: link
Unable to find token/project description on the website or on BscScan, CoinMarketCap
Unable to find token contract audit
Unable to verify token contract address on the website
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
Token has no active CoinGecko listing / rank
Token has no active CoinMarketCap listing / rank
Young tokens have high risks of price dump / death
Twitter account has relatively few followers
Last post in Twitter was more than 30 days ago
Unable to find Youtube account
Unable to find Discord account
Twitter account has few posts