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ZMBE [Zombie] Token

About ZMBE

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Token 3 years
CoinMarketCap 3 years
white paper

Bringing your rugged tokens back from the dead

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Laser Scorebeta Last Audit: 28 February 2022

report
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...)

ZombieToken._writeCheckpoint(address,uint32,uint256,uint256) (contracts/ZombieToken.sol#220-238) uses a dangerous strict equality:
- nCheckpoints > 0 && checkpoints[delegatee][nCheckpoints - 1].fromBlock == blockNumber (contracts/ZombieToken.sol#230)
Don't use strict equality to determine if an account has enough Ether or tokens.

Additional information: link

BEP20.allowance(address,address).owner (contracts/token/BEP20/BEP20.sol#122) shadows:
- Ownable.owner() (contracts/access/Ownable.sol#35-37) (function)
BEP20._approve(address,address,uint256).owner (contracts/token/BEP20/BEP20.sol#294) shadows:
- Ownable.owner() (contracts/access/Ownable.sol#35-37) (function)
Rename the local variables that shadow another component.

Additional information: link

ZombieToken.delegateBySig(address,uint256,uint256,uint8,bytes32,bytes32) (contracts/ZombieToken.sol#86-127) uses timestamp for comparisons
Dangerous comparisons:
- require(bool,string)(block.timestamp <= expiry,ZMBE::delegateBySig: signature expired) (contracts/ZombieToken.sol#125)
Avoid relying on block.timestamp.

Additional information: link

ZombieToken.getChainId() (contracts/ZombieToken.sol#245-249) uses assembly
- INLINE ASM (contracts/ZombieToken.sol#247)
Address.isContract(address) (contracts/utils/Address.sol#26-35) uses assembly
- INLINE ASM (contracts/utils/Address.sol#33)
Address._verifyCallResult(bool,bytes,string) (contracts/utils/Address.sol#171-188) uses assembly
- INLINE ASM (contracts/utils/Address.sol#180-183)
Do not use evm assembly.

Additional information: link

ZombieToken.whaleDetection(address,uint256) (contracts/ZombieToken.sol#253-260) compares to a boolean constant:
-require(bool,string)(balanceBasisPointsOfTotalSupply <= 200 || launch == false || whitelist[recipient] == true || msg.sender == owner() || tx.origin == owner(),Whale Detection: wallet cannot hold > 2% of total supply at launch.) (contracts/ZombieToken.sol#255-258)
Remove the equality to the boolean constant.

Additional information: link

Address._verifyCallResult(bool,bytes,string) (contracts/utils/Address.sol#171-188) is never used and should be removed
Address.functionCall(address,bytes) (contracts/utils/Address.sol#79-81) is never used and should be removed
Address.functionCall(address,bytes,string) (contracts/utils/Address.sol#89-91) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256) (contracts/utils/Address.sol#104-106) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256,string) (contracts/utils/Address.sol#114-121) is never used and should be removed
Address.functionDelegateCall(address,bytes) (contracts/utils/Address.sol#153-155) is never used and should be removed
Address.functionDelegateCall(address,bytes,string) (contracts/utils/Address.sol#163-169) is never used and should be removed
Address.functionStaticCall(address,bytes) (contracts/utils/Address.sol#129-131) is never used and should be removed
Address.functionStaticCall(address,bytes,string) (contracts/utils/Address.sol#139-145) is never used and should be removed
Address.isContract(address) (contracts/utils/Address.sol#26-35) is never used and should be removed
Address.sendValue(address,uint256) (contracts/utils/Address.sol#53-59) is never used and should be removed
BEP20._burn(address,uint256) (contracts/token/BEP20/BEP20.sol#272-278) is never used and should be removed
BEP20._burnFrom(address,uint256) (contracts/token/BEP20/BEP20.sol#311-318) is never used and should be removed
Context._msgData() (contracts/utils/Context.sol#20-23) is never used and should be removed
SafeMath.div(uint256,uint256) (contracts/math/SafeMath.sol#107-109) is never used and should be removed
SafeMath.div(uint256,uint256,string) (contracts/math/SafeMath.sol#123-133) is never used and should be removed
SafeMath.min(uint256,uint256) (contracts/math/SafeMath.sol#172-174) is never used and should be removed
SafeMath.mod(uint256,uint256) (contracts/math/SafeMath.sol#147-149) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (contracts/math/SafeMath.sol#163-170) is never used and should be removed
SafeMath.mul(uint256,uint256) (contracts/math/SafeMath.sol#81-93) is never used and should be removed
SafeMath.sqrt(uint256) (contracts/math/SafeMath.sol#177-188) is never used and should be removed
Remove unused functions.

Additional information: link

Low level call in Address.sendValue(address,uint256) (contracts/utils/Address.sol#53-59):
- (success) = recipient.call{value: amount}() (contracts/utils/Address.sol#57)
Low level call in Address.functionCallWithValue(address,bytes,uint256,string) (contracts/utils/Address.sol#114-121):
- (success,returndata) = target.call{value: value}(data) (contracts/utils/Address.sol#119)
Low level call in Address.functionStaticCall(address,bytes,string) (contracts/utils/Address.sol#139-145):
- (success,returndata) = target.staticcall(data) (contracts/utils/Address.sol#143)
Low level call in Address.functionDelegateCall(address,bytes,string) (contracts/utils/Address.sol#163-169):
- (success,returndata) = target.delegatecall(data) (contracts/utils/Address.sol#167)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence

Additional information: link

Parameter ZombieToken.mint(address,uint256)._to (contracts/ZombieToken.sol#11) is not in mixedCase
Parameter ZombieToken.mint(address,uint256)._amount (contracts/ZombieToken.sol#11) is not in mixedCase
Parameter ZombieToken.whitelistAddress(address)._address (contracts/ZombieToken.sol#275) is not in mixedCase
Parameter ZombieToken.calcBasisPoints(uint256,uint256)._amount (contracts/ZombieToken.sol#282) is not in mixedCase
Parameter ZombieToken.calcBasisPoints(uint256,uint256)._portion (contracts/ZombieToken.sol#282) is not in mixedCase
Variable ZombieToken._delegates (contracts/ZombieToken.sol#23) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

Redundant expression "this (contracts/utils/Context.sol#21)" inContext (contracts/utils/Context.sol#15-25)
Remove redundant statements if they congest code but offer no value.

Additional information: link

mint(address,uint256) should be declared external:
- ZombieToken.mint(address,uint256) (contracts/ZombieToken.sol#11-14)
liftLaunchWhaleDetection() should be declared external:
- ZombieToken.liftLaunchWhaleDetection() (contracts/ZombieToken.sol#270-272)
whitelistAddress(address) should be declared external:
- ZombieToken.whitelistAddress(address) (contracts/ZombieToken.sol#275-277)
renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (contracts/access/Ownable.sol#54-57)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (contracts/access/Ownable.sol#63-67)
decimals() should be declared external:
- BEP20.decimals() (contracts/token/BEP20/BEP20.sol#81-83)
symbol() should be declared external:
- BEP20.symbol() (contracts/token/BEP20/BEP20.sol#88-90)
allowance(address,address) should be declared external:
- BEP20.allowance(address,address) (contracts/token/BEP20/BEP20.sol#122-124)
approve(address,uint256) should be declared external:
- BEP20.approve(address,uint256) (contracts/token/BEP20/BEP20.sol#133-136)
increaseAllowance(address,uint256) should be declared external:
- BEP20.increaseAllowance(address,uint256) (contracts/token/BEP20/BEP20.sol#176-179)
decreaseAllowance(address,uint256) should be declared external:
- BEP20.decreaseAllowance(address,uint256) (contracts/token/BEP20/BEP20.sol#195-202)
mint(uint256) should be declared external:
- BEP20.mint(uint256) (contracts/token/BEP20/BEP20.sol#212-215)
Use the external attribute for functions never called from the contract.

Additional information: link

Holders:


Average 30d PancakeSwap liquidity 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.


Token is deployed only at one blockchain


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Unable to find token contract audit


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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


Token has relatively low CoinMarketCap rank

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