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ETHZILLA Token

About ETHZILLA

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Token 9 months
CoinMarketCap 9 months
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Bringing Ethzilla! Time to stack up eth rewards !!

Leveraging on the utility of reward tokens , hodl $Ethzilla and get rewarded with $ETH in your wallet!

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Laser Scorebeta Last Audit: 6 August 2022

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Token has too many issues. Scam probability is high.

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ETHZilla.swapBack(uint256) (#1656-1694) sends eth to arbitrary user
Dangerous calls:
- (success,None) = address(devWallet).call{value: amountBNBDev}() (#1687)
- (success,None) = address(marketingWallet).call{value: amountBNBMarketing}() (#1689)
Ensure that an arbitrary user cannot withdraw unauthorized funds.

Additional information: link

Reentrancy in ETHZilla._transfer(address,address,uint256) (#1494-1603):
External calls:
- swapBack(sellTokens) (#1560)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(0xdead),block.timestamp) (#1645-1652)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1630-1636)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: bnbAmount}(0,path,address(this),block.timestamp) (#1611-1616)
- success = IERC20(token).transfer(address(dividendTracker),tokenBalance) (#1680)
- dividendTracker.distributeTokenDividends(tokenBalance) (#1683)
- (success,None) = address(devWallet).call{value: amountBNBDev}() (#1687)
- (success,None) = address(marketingWallet).call{value: amountBNBMarketing}() (#1689)
External calls sending eth:
- swapBack(sellTokens) (#1560)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(0xdead),block.timestamp) (#1645-1652)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: bnbAmount}(0,path,address(this),block.timestamp) (#1611-1616)
- (success,None) = address(devWallet).call{value: amountBNBDev}() (#1687)
- (success,None) = address(marketingWallet).call{value: amountBNBMarketing}() (#1689)
State variables written after the call(s):
- super._transfer(from,address(0xdead),fees * 4) (#1578)
- _balances[sender] = _balances[sender].sub(amount,ERC20: transfer amount exceeds balance) (#424)
- _balances[recipient] = _balances[recipient].add(amount) (#425)
- super._transfer(from,address(this),fees) (#1579)
- _balances[sender] = _balances[sender].sub(amount,ERC20: transfer amount exceeds balance) (#424)
- _balances[recipient] = _balances[recipient].add(amount) (#425)
- super._transfer(from,address(this),fees) (#1585)
- _balances[sender] = _balances[sender].sub(amount,ERC20: transfer amount exceeds balance) (#424)
- _balances[recipient] = _balances[recipient].add(amount) (#425)
- super._transfer(from,to,amount) (#1590)
- _balances[sender] = _balances[sender].sub(amount,ERC20: transfer amount exceeds balance) (#424)
- _balances[recipient] = _balances[recipient].add(amount) (#425)
- swapping = false (#1563)
Apply the check-effects-interactions pattern.

Additional information: link


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

ETHZilla._transfer(address,address,uint256) (#1494-1603) uses a dangerous strict equality:
- from != owner() && to != uniswapV2Pair && block.number == tradingActiveBlock (#1520)
Don't use strict equality to determine if an account has enough Ether or tokens.

Additional information: link

Contract locking ether found:
Contract DividendTracker (#1713-1921) has payable functions:
- DividendPayingToken.receive() (#1002-1004)
- DividendPayingToken.distributeDividends() (#1020-1022)
- DividendPayingTokenInterface.distributeDividends() (#543)
But does not have a function to withdraw the ether
Remove the payable attribute or add a withdraw function.

Additional information: link

ETHZilla.swapBack(uint256).success (#1680) is written in both
(success,None) = address(devWallet).call{value: amountBNBDev}() (#1687)
(success,None) = address(marketingWallet).call{value: amountBNBMarketing}() (#1689)
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.


Contract ownership is not renounced (belongs to a wallet)

ETHZilla._transfer(address,address,uint256) (#1494-1603) performs a multiplication on the result of a division:
-fees = amount.mul(totalFees).div(100) (#1574)
-super._transfer(from,address(0xdead),fees * 4) (#1578)
ETHZilla._transfer(address,address,uint256) (#1494-1603) performs a multiplication on the result of a division:
-fees = amount.mul(totalFees).div(100) (#1574)
-fees = fees * 5 (#1580)
ETHZilla._transfer(address,address,uint256) (#1494-1603) performs a multiplication on the result of a division:
-fees = amount.mul(totalFees).div(100) (#1574)
-fees = fees.mul(sellFeeIncreaseFactor).div(100) (#1583)
Consider ordering multiplication before division.

Additional information: link

Reentrancy in DividendPayingToken._withdrawDividendOfUser(address) (#1045-1061):
External calls:
- success = IERC20(token).transfer(user,_withdrawableDividend) (#1050)
State variables written after the call(s):
- withdrawnDividends[user] = withdrawnDividends[user].sub(_withdrawableDividend) (#1053)
Apply the check-effects-interactions pattern.

Additional information: link

ETHZilla._transfer(address,address,uint256) (#1494-1603) uses tx.origin for authorization: require(bool,string)(_holderLastTransferTimestamp[tx.origin] < block.number,_transfer:: Transfer Delay enabled. Only one purchase per block allowed.) (#1528)
Do not use tx.origin for authorization.

Additional information: link

ETHZilla._transfer(address,address,uint256).iterations (#1598) is a local variable never initialized
ETHZilla._transfer(address,address,uint256).claims (#1598) is a local variable never initialized
ETHZilla._transfer(address,address,uint256).lastProcessedIndex (#1598) 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

ETHZilla.claim() (#1471-1473) ignores return value by dividendTracker.processAccount(address(msg.sender),false) (#1472)
ETHZilla._transfer(address,address,uint256) (#1494-1603) ignores return value by dividendTracker.process(gas) (#1598-1601)
ETHZilla.addLiquidity(uint256,uint256) (#1640-1654) ignores return value by uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(0xdead),block.timestamp) (#1645-1652)
Ensure that all the return values of the function calls are used.

Additional information: link

DividendPayingToken.dividendOf(address)._owner (#1067) shadows:
- Ownable._owner (#711) (state variable)
DividendPayingToken.withdrawableDividendOf(address)._owner (#1074) shadows:
- Ownable._owner (#711) (state variable)
DividendPayingToken.withdrawnDividendOf(address)._owner (#1081) shadows:
- Ownable._owner (#711) (state variable)
DividendPayingToken.accumulativeDividendOf(address)._owner (#1091) shadows:
- Ownable._owner (#711) (state variable)
ETHZilla.constructor().totalSupply (#1234) shadows:
- ERC20.totalSupply() (#298-300) (function)
- IERC20.totalSupply() (#148) (function)
Rename the local variables that shadow another component.

Additional information: link

ETHZilla.updateMaxAmount(uint256) (#1338-1341) should emit an event for:
- maxTransactionAmount = newNum * (10 ** 18) (#1340)
ETHZilla.updateFees(uint256,uint256,uint256,uint256) (#1348-1355) should emit an event for:
- marketingFee = _marketingFee (#1349)
- rewardsFee = _rewardsFee (#1350)
- liquidityFee = _liquidityFee (#1351)
- devFee = _devFee (#1352)
- totalFees = marketingFee + rewardsFee + liquidityFee + devFee (#1353)
ETHZilla.updateSellPenalty(uint256) (#1357-1360) should emit an event for:
- sellFeeIncreaseFactor = sellFactor (#1359)
Emit an event for critical parameter changes.

Additional information: link

ETHZilla.addPresaleAddressForExclusions(address,address)._presaleAddress (#1293) lacks a zero-check on :
- presaleAddress = _presaleAddress (#1294)
ETHZilla.addPresaleAddressForExclusions(address,address)._presaleRouterAddress (#1293) lacks a zero-check on :
- presaleRouterAddress = _presaleRouterAddress (#1298)
ETHZilla.emergencyPresaleAddressUpdate(address,address)._presaleAddress (#1304) lacks a zero-check on :
- presaleAddress = _presaleAddress (#1305)
ETHZilla.emergencyPresaleAddressUpdate(address,address)._presaleRouterAddress (#1304) lacks a zero-check on :
- presaleRouterAddress = _presaleRouterAddress (#1306)
ETHZilla.updateMarketingWallet(address).newMarketingWallet (#1399) lacks a zero-check on :
- marketingWallet = newMarketingWallet (#1402)
ETHZilla.updateDevWallet(address).newDevWallet (#1405) lacks a zero-check on :
- devWallet = newDevWallet (#1406)
Check that the address is not zero.

Additional information: link

DividendPayingToken._withdrawDividendOfUser(address) (#1045-1061) has external calls inside a loop: success = IERC20(token).transfer(user,_withdrawableDividend) (#1050)
Favor pull over push strategy for external calls.

Additional information: link

Variable 'ETHZilla._transfer(address,address,uint256).lastProcessedIndex (#1598)' in ETHZilla._transfer(address,address,uint256) (#1494-1603) potentially used before declaration: ProcessedDividendTracker(iterations,claims,lastProcessedIndex,true,gas,tx.origin) (#1599)
Variable 'ETHZilla._transfer(address,address,uint256).claims (#1598)' in ETHZilla._transfer(address,address,uint256) (#1494-1603) potentially used before declaration: ProcessedDividendTracker(iterations,claims,lastProcessedIndex,true,gas,tx.origin) (#1599)
Variable 'ETHZilla._transfer(address,address,uint256).iterations (#1598)' in ETHZilla._transfer(address,address,uint256) (#1494-1603) potentially used before declaration: ProcessedDividendTracker(iterations,claims,lastProcessedIndex,true,gas,tx.origin) (#1599)
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 ETHZilla.addPresaleAddressForExclusions(address,address) (#1293-1302):
External calls:
- dividendTracker.excludeFromDividends(_presaleAddress) (#1296)
State variables written after the call(s):
- excludeFromFees(_presaleRouterAddress,true) (#1299)
- _isExcludedFromFees[account] = excluded (#1368)
- excludeFromMaxTransaction(_presaleAddress,true) (#1297)
- _isExcludedMaxTransactionAmount[updAds] = isEx (#1363)
- presaleRouterAddress = _presaleRouterAddress (#1298)
Reentrancy in ETHZilla.addPresaleAddressForExclusions(address,address) (#1293-1302):
External calls:
- dividendTracker.excludeFromDividends(_presaleAddress) (#1296)
- dividendTracker.excludeFromDividends(_presaleRouterAddress) (#1300)
State variables written after the call(s):
- excludeFromMaxTransaction(_presaleRouterAddress,true) (#1301)
- _isExcludedMaxTransactionAmount[updAds] = isEx (#1363)
Reentrancy in ETHZilla.constructor() (#1227-1286):
External calls:
- _uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (#1256-1257)
State variables written after the call(s):
- uniswapV2Pair = _uniswapV2Pair (#1260)
- uniswapV2Router = _uniswapV2Router (#1259)
Reentrancy in ETHZilla.constructor() (#1227-1286):
External calls:
- _uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (#1256-1257)
- _setAutomatedMarketMakerPair(_uniswapV2Pair,true) (#1262)
- dividendTracker.excludeFromDividends(pair) (#1393)
State variables written after the call(s):
- _setAutomatedMarketMakerPair(_uniswapV2Pair,true) (#1262)
- _isExcludedMaxTransactionAmount[updAds] = isEx (#1363)
- _setAutomatedMarketMakerPair(_uniswapV2Pair,true) (#1262)
- automatedMarketMakerPairs[pair] = value (#1388)
Reentrancy in ETHZilla.constructor() (#1227-1286):
External calls:
- _uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (#1256-1257)
- _setAutomatedMarketMakerPair(_uniswapV2Pair,true) (#1262)
- dividendTracker.excludeFromDividends(pair) (#1393)
- dividendTracker.excludeFromDividends(address(dividendTracker)) (#1265)
- dividendTracker.excludeFromDividends(address(this)) (#1266)
- dividendTracker.excludeFromDividends(owner()) (#1267)
- dividendTracker.excludeFromDividends(address(_uniswapV2Router)) (#1268)
- dividendTracker.excludeFromDividends(address(0xdead)) (#1269)
State variables written after the call(s):
- _mint(address(owner()),totalSupply) (#1285)
- _balances[account] = _balances[account].add(amount) (#444)
- excludeFromFees(owner(),true) (#1272)
- _isExcludedFromFees[account] = excluded (#1368)
- excludeFromFees(address(this),true) (#1273)
- _isExcludedFromFees[account] = excluded (#1368)
- excludeFromFees(address(0xdead),true) (#1274)
- _isExcludedFromFees[account] = excluded (#1368)
- excludeFromMaxTransaction(owner(),true) (#1275)
- _isExcludedMaxTransactionAmount[updAds] = isEx (#1363)
- excludeFromMaxTransaction(address(this),true) (#1276)
- _isExcludedMaxTransactionAmount[updAds] = isEx (#1363)
- excludeFromMaxTransaction(address(dividendTracker),true) (#1277)
- _isExcludedMaxTransactionAmount[updAds] = isEx (#1363)
- excludeFromMaxTransaction(address(_uniswapV2Router),true) (#1278)
- _isExcludedMaxTransactionAmount[updAds] = isEx (#1363)
- excludeFromMaxTransaction(address(0xdead),true) (#1279)
- _isExcludedMaxTransactionAmount[updAds] = isEx (#1363)
- _mint(address(owner()),totalSupply) (#1285)
- _totalSupply = _totalSupply.add(amount) (#443)
Reentrancy in DividendTracker.processAccount(address,bool) (#1909-1919):
External calls:
- amount = _withdrawDividendOfUser(account) (#1910)
- success = IERC20(token).transfer(user,_withdrawableDividend) (#1050)
State variables written after the call(s):
- lastClaimTimes[account] = block.timestamp (#1913)
Reentrancy in ETHZilla.swapBack(uint256) (#1656-1694):
External calls:
- swapTokensForEth(amountToSwap) (#1666)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1630-1636)
- swapBnbForRewardToken(amountBNBReflection) (#1677)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: bnbAmount}(0,path,address(this),block.timestamp) (#1611-1616)
- success = IERC20(token).transfer(address(dividendTracker),tokenBalance) (#1680)
- dividendTracker.distributeTokenDividends(tokenBalance) (#1683)
- (success,None) = address(devWallet).call{value: amountBNBDev}() (#1687)
- (success,None) = address(marketingWallet).call{value: amountBNBMarketing}() (#1689)
- addLiquidity(amountToLiquify,amountBNBLiquidity) (#1692)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(0xdead),block.timestamp) (#1645-1652)
External calls sending eth:
- swapBnbForRewardToken(amountBNBReflection) (#1677)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: bnbAmount}(0,path,address(this),block.timestamp) (#1611-1616)
- (success,None) = address(devWallet).call{value: amountBNBDev}() (#1687)
- (success,None) = address(marketingWallet).call{value: amountBNBMarketing}() (#1689)
- addLiquidity(amountToLiquify,amountBNBLiquidity) (#1692)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(0xdead),block.timestamp) (#1645-1652)
State variables written after the call(s):
- addLiquidity(amountToLiquify,amountBNBLiquidity) (#1692)
- _allowances[owner][spender] = amount (#490)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in ETHZilla._setAutomatedMarketMakerPair(address,bool) (#1387-1397):
External calls:
- dividendTracker.excludeFromDividends(pair) (#1393)
Event emitted after the call(s):
- SetAutomatedMarketMakerPair(pair,value) (#1396)
Reentrancy in ETHZilla._transfer(address,address,uint256) (#1494-1603):
External calls:
- swapBack(sellTokens) (#1560)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(0xdead),block.timestamp) (#1645-1652)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1630-1636)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: bnbAmount}(0,path,address(this),block.timestamp) (#1611-1616)
- success = IERC20(token).transfer(address(dividendTracker),tokenBalance) (#1680)
- dividendTracker.distributeTokenDividends(tokenBalance) (#1683)
- (success,None) = address(devWallet).call{value: amountBNBDev}() (#1687)
- (success,None) = address(marketingWallet).call{value: amountBNBMarketing}() (#1689)
External calls sending eth:
- swapBack(sellTokens) (#1560)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(0xdead),block.timestamp) (#1645-1652)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: bnbAmount}(0,path,address(this),block.timestamp) (#1611-1616)
- (success,None) = address(devWallet).call{value: amountBNBDev}() (#1687)
- (success,None) = address(marketingWallet).call{value: amountBNBMarketing}() (#1689)
Event emitted after the call(s):
- Transfer(sender,recipient,amount) (#426)
- super._transfer(from,to,amount) (#1590)
- Transfer(sender,recipient,amount) (#426)
- super._transfer(from,address(this),fees) (#1579)
- Transfer(sender,recipient,amount) (#426)
- super._transfer(from,address(0xdead),fees * 4) (#1578)
- Transfer(sender,recipient,amount) (#426)
- super._transfer(from,address(this),fees) (#1585)
Reentrancy in ETHZilla._transfer(address,address,uint256) (#1494-1603):
External calls:
- swapBack(sellTokens) (#1560)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(0xdead),block.timestamp) (#1645-1652)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1630-1636)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: bnbAmount}(0,path,address(this),block.timestamp) (#1611-1616)
- success = IERC20(token).transfer(address(dividendTracker),tokenBalance) (#1680)
- dividendTracker.distributeTokenDividends(tokenBalance) (#1683)
- (success,None) = address(devWallet).call{value: amountBNBDev}() (#1687)
- (success,None) = address(marketingWallet).call{value: amountBNBMarketing}() (#1689)
- dividendTracker.setBalance(address(from),balanceOf(from)) (#1592)
- dividendTracker.setBalance(address(to),balanceOf(to)) (#1593)
- dividendTracker.process(gas) (#1598-1601)
External calls sending eth:
- swapBack(sellTokens) (#1560)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(0xdead),block.timestamp) (#1645-1652)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: bnbAmount}(0,path,address(this),block.timestamp) (#1611-1616)
- (success,None) = address(devWallet).call{value: amountBNBDev}() (#1687)
- (success,None) = address(marketingWallet).call{value: amountBNBMarketing}() (#1689)
Event emitted after the call(s):
- ProcessedDividendTracker(iterations,claims,lastProcessedIndex,true,gas,tx.origin) (#1599)
Reentrancy in ETHZilla.addPresaleAddressForExclusions(address,address) (#1293-1302):
External calls:
- dividendTracker.excludeFromDividends(_presaleAddress) (#1296)
Event emitted after the call(s):
- ExcludeFromFees(account,excluded) (#1370)
- excludeFromFees(_presaleRouterAddress,true) (#1299)
- ExcludedMaxTransactionAmount(updAds,isEx) (#1364)
- excludeFromMaxTransaction(_presaleAddress,true) (#1297)
Reentrancy in ETHZilla.addPresaleAddressForExclusions(address,address) (#1293-1302):
External calls:
- dividendTracker.excludeFromDividends(_presaleAddress) (#1296)
- dividendTracker.excludeFromDividends(_presaleRouterAddress) (#1300)
Event emitted after the call(s):
- ExcludedMaxTransactionAmount(updAds,isEx) (#1364)
- excludeFromMaxTransaction(_presaleRouterAddress,true) (#1301)
Reentrancy in ETHZilla.constructor() (#1227-1286):
External calls:
- _uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (#1256-1257)
- _setAutomatedMarketMakerPair(_uniswapV2Pair,true) (#1262)
- dividendTracker.excludeFromDividends(pair) (#1393)
Event emitted after the call(s):
- ExcludedMaxTransactionAmount(updAds,isEx) (#1364)
- _setAutomatedMarketMakerPair(_uniswapV2Pair,true) (#1262)
- SetAutomatedMarketMakerPair(pair,value) (#1396)
- _setAutomatedMarketMakerPair(_uniswapV2Pair,true) (#1262)
Reentrancy in ETHZilla.constructor() (#1227-1286):
External calls:
- _uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (#1256-1257)
- _setAutomatedMarketMakerPair(_uniswapV2Pair,true) (#1262)
- dividendTracker.excludeFromDividends(pair) (#1393)
- dividendTracker.excludeFromDividends(address(dividendTracker)) (#1265)
- dividendTracker.excludeFromDividends(address(this)) (#1266)
- dividendTracker.excludeFromDividends(owner()) (#1267)
- dividendTracker.excludeFromDividends(address(_uniswapV2Router)) (#1268)
- dividendTracker.excludeFromDividends(address(0xdead)) (#1269)
Event emitted after the call(s):
- ExcludeFromFees(account,excluded) (#1370)
- excludeFromFees(address(this),true) (#1273)
- ExcludeFromFees(account,excluded) (#1370)
- excludeFromFees(address(0xdead),true) (#1274)
- ExcludeFromFees(account,excluded) (#1370)
- excludeFromFees(owner(),true) (#1272)
- ExcludedMaxTransactionAmount(updAds,isEx) (#1364)
- excludeFromMaxTransaction(address(0xdead),true) (#1279)
- ExcludedMaxTransactionAmount(updAds,isEx) (#1364)
- excludeFromMaxTransaction(address(_uniswapV2Router),true) (#1278)
- ExcludedMaxTransactionAmount(updAds,isEx) (#1364)
- excludeFromMaxTransaction(address(this),true) (#1276)
- ExcludedMaxTransactionAmount(updAds,isEx) (#1364)
- excludeFromMaxTransaction(owner(),true) (#1275)
- ExcludedMaxTransactionAmount(updAds,isEx) (#1364)
- excludeFromMaxTransaction(address(dividendTracker),true) (#1277)
- Transfer(address(0),account,amount) (#445)
- _mint(address(owner()),totalSupply) (#1285)
Reentrancy in DividendTracker.processAccount(address,bool) (#1909-1919):
External calls:
- amount = _withdrawDividendOfUser(account) (#1910)
- success = IERC20(token).transfer(user,_withdrawableDividend) (#1050)
Event emitted after the call(s):
- Claim(account,amount,automatic) (#1914)
Reentrancy in ETHZilla.processDividendTracker(uint256) (#1466-1469):
External calls:
- (iterations,claims,lastProcessedIndex) = dividendTracker.process(gas) (#1467)
Event emitted after the call(s):
- ProcessedDividendTracker(iterations,claims,lastProcessedIndex,false,gas,tx.origin) (#1468)
Reentrancy in ETHZilla.swapBack(uint256) (#1656-1694):
External calls:
- swapTokensForEth(amountToSwap) (#1666)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1630-1636)
- swapBnbForRewardToken(amountBNBReflection) (#1677)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: bnbAmount}(0,path,address(this),block.timestamp) (#1611-1616)
- success = IERC20(token).transfer(address(dividendTracker),tokenBalance) (#1680)
- dividendTracker.distributeTokenDividends(tokenBalance) (#1683)
External calls sending eth:
- swapBnbForRewardToken(amountBNBReflection) (#1677)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: bnbAmount}(0,path,address(this),block.timestamp) (#1611-1616)
Event emitted after the call(s):
- SendDividends(tokenBalance,amountBNBReflection) (#1684)
Reentrancy in ETHZilla.swapBack(uint256) (#1656-1694):
External calls:
- swapTokensForEth(amountToSwap) (#1666)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1630-1636)
- swapBnbForRewardToken(amountBNBReflection) (#1677)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: bnbAmount}(0,path,address(this),block.timestamp) (#1611-1616)
- success = IERC20(token).transfer(address(dividendTracker),tokenBalance) (#1680)
- dividendTracker.distributeTokenDividends(tokenBalance) (#1683)
- (success,None) = address(devWallet).call{value: amountBNBDev}() (#1687)
- (success,None) = address(marketingWallet).call{value: amountBNBMarketing}() (#1689)
- addLiquidity(amountToLiquify,amountBNBLiquidity) (#1692)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(0xdead),block.timestamp) (#1645-1652)
External calls sending eth:
- swapBnbForRewardToken(amountBNBReflection) (#1677)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: bnbAmount}(0,path,address(this),block.timestamp) (#1611-1616)
- (success,None) = address(devWallet).call{value: amountBNBDev}() (#1687)
- (success,None) = address(marketingWallet).call{value: amountBNBMarketing}() (#1689)
- addLiquidity(amountToLiquify,amountBNBLiquidity) (#1692)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(0xdead),block.timestamp) (#1645-1652)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#491)
- addLiquidity(amountToLiquify,amountBNBLiquidity) (#1692)
Apply the check-effects-interactions pattern.

Additional information: link

ETHZilla._transfer(address,address,uint256) (#1494-1603) uses timestamp for comparisons
Dangerous comparisons:
- boughtEarly[from] && automatedMarketMakerPairs[to] && earlyBuyPenaltyEnd > block.timestamp (#1577)
DividendTracker.getAccount(address) (#1773-1816) uses timestamp for comparisons
Dangerous comparisons:
- nextClaimTime > block.timestamp (#1813-1815)
DividendTracker.canAutoClaim(uint256) (#1837-1843) uses timestamp for comparisons
Dangerous comparisons:
- lastClaimTime > block.timestamp (#1838)
- block.timestamp.sub(lastClaimTime) >= claimWait (#1842)
Avoid relying on block.timestamp.

Additional information: link

Context._msgData() (#10-13) is never used and should be removed
ERC20._burn(address,uint256) (#459-467) is never used and should be removed
SafeMath.mod(uint256,uint256) (#688-690) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (#704-707) is never used and should be removed
SafeMathInt.abs(int256) (#812-815) is never used and should be removed
SafeMathInt.div(int256,int256) (#783-789) is never used and should be removed
SafeMathInt.mul(int256,int256) (#771-778) is never used and should be removed
Remove unused functions.

Additional information: link

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

Additional information: link

Low level call in ETHZilla.swapBack(uint256) (#1656-1694):
- (success,None) = address(devWallet).call{value: amountBNBDev}() (#1687)
- (success,None) = address(marketingWallet).call{value: amountBNBMarketing}() (#1689)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence

Additional information: link

Function IUniswapV2Pair.DOMAIN_SEPARATOR() (#31) is not in mixedCase
Function IUniswapV2Pair.PERMIT_TYPEHASH() (#32) is not in mixedCase
Function IUniswapV2Pair.MINIMUM_LIQUIDITY() (#49) is not in mixedCase
Function IUniswapV2Router01.WETH() (#835) is not in mixedCase
Parameter DividendPayingToken.dividendOf(address)._owner (#1067) is not in mixedCase
Parameter DividendPayingToken.withdrawableDividendOf(address)._owner (#1074) is not in mixedCase
Parameter DividendPayingToken.withdrawnDividendOf(address)._owner (#1081) is not in mixedCase
Parameter DividendPayingToken.accumulativeDividendOf(address)._owner (#1091) is not in mixedCase
Constant DividendPayingToken.magnitude (#976) is not in UPPER_CASE_WITH_UNDERSCORES
Event ETHZillamarketingWalletUpdated(address,address) (#1199) is not in CapWords
Parameter ETHZilla.addPresaleAddressForExclusions(address,address)._presaleAddress (#1293) is not in mixedCase
Parameter ETHZilla.addPresaleAddressForExclusions(address,address)._presaleRouterAddress (#1293) is not in mixedCase
Parameter ETHZilla.emergencyPresaleAddressUpdate(address,address)._presaleAddress (#1304) is not in mixedCase
Parameter ETHZilla.emergencyPresaleAddressUpdate(address,address)._presaleRouterAddress (#1304) is not in mixedCase
Parameter ETHZilla.updateFees(uint256,uint256,uint256,uint256)._marketingFee (#1348) is not in mixedCase
Parameter ETHZilla.updateFees(uint256,uint256,uint256,uint256)._rewardsFee (#1348) is not in mixedCase
Parameter ETHZilla.updateFees(uint256,uint256,uint256,uint256)._liquidityFee (#1348) is not in mixedCase
Parameter ETHZilla.updateFees(uint256,uint256,uint256,uint256)._devFee (#1348) is not in mixedCase
Variable ETHZilla._isExcludedMaxTransactionAmount (#1183) is not in mixedCase
Parameter DividendTracker.getAccount(address)._account (#1773) 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

Variable IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountADesired (#840) is too similar to IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountBDesired (#841)
Variable DividendPayingToken._withdrawDividendOfUser(address)._withdrawableDividend (#1046) is too similar to DividendTracker.getAccount(address).withdrawableDividends (#1778)
Prevent variables from having similar names.

Additional information: link

ETHZilla.updateGasForProcessing(uint256) (#1409-1414) uses literals with too many digits:
- require(bool,string)(newValue >= 200000 && newValue <= 500000, gasForProcessing must be between 200,000 and 500,000) (#1410)
ETHZilla.slitherConstructorVariables() (#1130-1711) uses literals with too many digits:
- gasForProcessing = 300000 (#1176)
DividendTracker.getAccountAtIndex(uint256) (#1818-1835) uses literals with too many digits:
- (0x0000000000000000000000000000000000000000,- 1,- 1,0,0,0,0,0) (#1829)
Use: Ether suffix, Time suffix, or The scientific notation

Additional information: link

SafeMathInt.MAX_INT256 (#766) is never used in SafeMathInt (#764-822)
Remove unused state variables.

Additional information: link

ETHZilla.liquidityActiveBlock (#1152) 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) (#92-94)
getIndexOfKey(IterableMapping.Map,address) should be declared external:
- IterableMapping.getIndexOfKey(IterableMapping.Map,address) (#96-101)
getKeyAtIndex(IterableMapping.Map,uint256) should be declared external:
- IterableMapping.getKeyAtIndex(IterableMapping.Map,uint256) (#103-105)
size(IterableMapping.Map) should be declared external:
- IterableMapping.size(IterableMapping.Map) (#109-111)
name() should be declared external:
- ERC20.name() (#266-268)
symbol() should be declared external:
- ERC20.symbol() (#274-276)
decimals() should be declared external:
- ERC20.decimals() (#291-293)
transfer(address,uint256) should be declared external:
- ERC20.transfer(address,uint256) (#317-320)
allowance(address,address) should be declared external:
- ERC20.allowance(address,address) (#325-327)
approve(address,uint256) should be declared external:
- ERC20.approve(address,uint256) (#336-339)
transferFrom(address,address,uint256) should be declared external:
- ERC20.transferFrom(address,address,uint256) (#354-362)
increaseAllowance(address,uint256) should be declared external:
- ERC20.increaseAllowance(address,uint256) (#376-379)
decreaseAllowance(address,uint256) should be declared external:
- ERC20.decreaseAllowance(address,uint256) (#395-398)
renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (#746-749)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (#755-759)
distributeTokenDividends(uint256) should be declared external:
- DividendPayingToken.distributeTokenDividends(uint256) (#1024-1035)
withdrawDividend() should be declared external:
- DividendPayingToken.withdrawDividend() (#1039-1041)
dividendOf(address) should be declared external:
- DividendPayingToken.dividendOf(address) (#1067-1069)
withdrawnDividendOf(address) should be declared external:
- DividendPayingToken.withdrawnDividendOf(address) (#1081-1083)
setAutomatedMarketMakerPair(address,bool) should be declared external:
- ETHZilla.setAutomatedMarketMakerPair(address,bool) (#1381-1385)
isExcludedFromFees(address) should be declared external:
- ETHZilla.isExcludedFromFees(address) (#1428-1430)
withdrawableDividendOf(address) should be declared external:
- ETHZilla.withdrawableDividendOf(address) (#1432-1434)
dividendTokenBalanceOf(address) should be declared external:
- ETHZilla.dividendTokenBalanceOf(address) (#1436-1438)
getAccountAtIndex(uint256) should be declared external:
- DividendTracker.getAccountAtIndex(uint256) (#1818-1835)
process(uint256) should be declared external:
- DividendTracker.process(uint256) (#1863-1907)
Use the external attribute for functions never called from the contract.

Additional information: link

Holders:


Average 30d PancakeSwap volume is less than $100. Token is either dead or inactive.


Average 30d number of PancakeSwap swaps is less than 1. Token is either dead or inactive.


Average PancakeSwap trading volume, liqudity, number of swaps are extremely low. Token seems to be dead.


Average 30d PancakeSwap liquidity is less than $100. Token is either dead or inactive.


Token is deployed only at one blockchain


Unable to find Blog account (Reddit or Medium)


Unable to find Youtube account


Unable to find Discord account


Unable to find website, listings and other project-related information


Token has a considerable age, but we're still unable to find its website


Token has no active CoinGecko listing / rank


Token has no active CoinMarketCap listing / rank


Token has a considerable age, but average PancakeSwap 30d trading volume is low


Young tokens have high risks of price dump / death

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