SDZ [Shiba Doge Zilla] Token

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

Contract locking ether found:
Contract ShibaDogeZilla (#1153-1251) has payable functions:
- ShibaDogeZilla.receive() (#1248-1249)
But does not have a function to withdraw the ether
Remove the payable attribute or add a withdraw function.

Additional information: link

Not a direct threat, but may indicate unreliable intentions of developer. Widespread names (e.g. Elon, King, Moon, Doge) are common among meme-tokens and scams. The allow to gain free hype and attract unexperienced investors.

ShibaDogeZilla.constructor(string,string,address,address,address)._symbol (#1174) shadows:
- BEP20._symbol (#883) (state variable)
Rename the local variables that shadow another component.

Additional information: link

ShibaDogeZilla.setSellFee(uint256) (#1227-1229) should emit an event for:
- sellOperationFee = operationFee (#1228)
Emit an event for critical parameter changes.

Additional information: link

ShibaDogeZilla.constructor(string,string,address,address,address)._marketingAddress (#1174) lacks a zero-check on :
- MarketingAddress = _marketingAddress (#1178)
Check that the address is not zero.

Additional information: link

Reentrancy in ShibaDogeZilla.constructor(string,string,address,address,address) (#1174-1191):
External calls:
- uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (#1181-1182)
State variables written after the call(s):
- _approve(address(this),address(uniswapV2Router),~ uint256(0)) (#1190)
- _allowances[owner][spender] = amount (#1127)
- _excludeFromFee[owner()] = true (#1185)
- _excludeFromFee[address(this)] = true (#1186)
- _excludeFromFee[exchangeAddress] = true (#1187)
- _excludeFromFee[airDropAddress] = true (#1188)
- _excludeFromFee[MarketingAddress] = true (#1189)
- uniswapV2Router = _uniswapV2Router (#1183)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in ShibaDogeZilla.constructor(string,string,address,address,address) (#1174-1191):
External calls:
- uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (#1181-1182)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#1128)
- _approve(address(this),address(uniswapV2Router),~ uint256(0)) (#1190)
Apply the check-effects-interactions pattern.

Additional information: link

Address.verifyCallResult(bool,bytes,string) (#713-733) uses assembly
- INLINE ASM (#725-728)
Do not use evm assembly.

Additional information: link

ShibaDogeZilla._transfer(address,address,uint256) (#1202-1223) compares to a boolean constant:
-_excludeFromFee[sender] != true && _excludeFromFee[recipient] != true && (recipient == uniswapV2Pair || sender == uniswapV2Pair) (#1208-1209)
Remove the equality to the boolean constant.

Additional information: link

Different versions of Solidity is used:
- Version used: ['>=0.5.0', '>=0.6.12', '>=0.6.2', '^0.8.0']
- ^0.8.0 (#9)
- >=0.5.0 (#23)
- >=0.6.2 (#45)
- >=0.6.2 (#144)
- ^0.8.0 (#192)
- ^0.8.0 (#292)
- ^0.8.0 (#521)
- ^0.8.0 (#740)
- ^0.8.0 (#766)
- ^0.8.0 (#839)
- >=0.6.12 (#1150)
Use one Solidity version.

Additional information: link

SafeMath.trySub(uint256,uint256) (#323-328) is never used and should be removed
Remove unused functions.

Additional information: link

solc-0.8.4 is not recommended for deployment
Deploy with any of the following Solidity versions: 0.5.16 - 0.5.17, 0.6.11 - 0.6.12, 0.7.5 - 0.7.6 Use a simple pragma version that allows any of these versions. Consider using the latest version of Solidity for testing.

Additional information: link

Low level call in Address.functionDelegateCall(address,bytes,string) (#696-705):
- (success,returndata) = target.delegatecall(data) (#703)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence

Additional information: link

Variable ShibaDogeZilla.MarketingAddress (#1167) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

Variable IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountADesired (#54) is too similar to IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountBDesired (#55)
Prevent variables from having similar names.

Additional information: link

decreaseAllowance(address,uint256) should be declared external:
- BEP20.decreaseAllowance(address,uint256) (#1032-1039)
Use the external attribute for functions never called from the contract.

Additional information: link

Number of Binance Smart Chain (BSC) token holders is less than 100. Token is either dead or inactive. Ignore for presale.

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

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 find website, listings and other project-related information

Young tokens have high risks of price dump / death

Token has no active CoinGecko listing / rank

Token has no active CoinMarketCap listing / rank