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FUNB [Funblock] Token

ALERT: rug pull scam

About FUNB


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Token 19 months


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Laser Scorebeta Last Audit: 18 May 2022

Token seems to be a scam (type: rug pull scam).

Token is flagged by TokenSniffer due to presence of exploit in contract code

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

Contract ownership is not renounced (belongs to a wallet)

FunBlockToken.incRoundBalances(address,uint256) (contracts/FunBlockToken.sol#546-549) ignores return value by _roundBalances[account][_roundIndex].inc(amount) (contracts/FunBlockToken.sol#547)
Ensure that all the return values of the function calls are used.

Additional information: link

Pragma version^0.8.2 (contracts/FunBlockToken.sol#2) allows old versions
solc-0.8.2 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

FunBlockToken.slitherConstructorVariables() (contracts/FunBlockToken.sol#291-626) performs a multiplication on the result of a division:
-_tokenPerAirdrop = (_totalSupply.mul(300).div(10000)) * 10 ** _decimals (contracts/FunBlockToken.sol#301)
Consider ordering multiplication before division.

Additional information: link

FunBlockToken.update(uint256,uint256) (contracts/FunBlockToken.sol#505-531) should emit an event for:
- _roundInSec = value (contracts/FunBlockToken.sol#507)
- _roundUnlockInSec = value (contracts/FunBlockToken.sol#510)
- _rate = value (contracts/FunBlockToken.sol#513)
- _saleRoundMin = value (contracts/FunBlockToken.sol#516)
Emit an event for critical parameter changes.

Additional information: link

Reentrancy in FunBlockToken.buyToken() (contracts/FunBlockToken.sol#551-571):
External calls:
- (success) = address(uint160(_liquidity)).call{value: _msgValue}() (contracts/FunBlockToken.sol#560)
Event emitted after the call(s):
- Transfer(address(this),_msgSender(),_token) (contracts/FunBlockToken.sol#566)
Apply the check-effects-interactions pattern.

Additional information: link

Rounds.getBalance(Rounds.RoundBalances,Rounds.RoundTime) (contracts/FunBlockToken.sol#243-268) uses timestamp for comparisons
Dangerous comparisons:
- round.status == 1 && block.timestamp > roundTime.unlockStart (contracts/FunBlockToken.sol#245)
- block.timestamp >= roundTime.unlockEnd (contracts/FunBlockToken.sol#251)
- sec > 0 && sec < end (contracts/FunBlockToken.sol#256)
- balance > round.claim (contracts/FunBlockToken.sol#258)
- sec > 0 && sec >= end && > round.claim (contracts/FunBlockToken.sol#263)
Rounds.settle(Rounds.RoundBalances,Rounds.RoundTime,uint256) (contracts/FunBlockToken.sol#270-287) uses timestamp for comparisons
Dangerous comparisons:
- amount > balance (contracts/FunBlockToken.sol#274)
FunBlockToken.getRoundPrice() (contracts/FunBlockToken.sol#533-544) uses timestamp for comparisons
Dangerous comparisons:
- block.timestamp >= _roundTime[_roundIndex].end (contracts/FunBlockToken.sol#534)
Avoid relying on block.timestamp.

Additional information: link

FunBlockToken._mint(address,uint256) (contracts/FunBlockToken.sol#386-391) is never used and should be removed
SafeMath.div(uint256,uint256,string) (contracts/FunBlockToken.sol#179-188) is never used and should be removed
SafeMath.mod(uint256,uint256) (contracts/FunBlockToken.sol#139-141) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (contracts/FunBlockToken.sol#205-214) is never used and should be removed
SafeMath.tryAdd(uint256,uint256) (contracts/FunBlockToken.sol#10-16) is never used and should be removed
SafeMath.tryDiv(uint256,uint256) (contracts/FunBlockToken.sol#52-57) is never used and should be removed
SafeMath.tryMod(uint256,uint256) (contracts/FunBlockToken.sol#64-69) is never used and should be removed
SafeMath.tryMul(uint256,uint256) (contracts/FunBlockToken.sol#35-45) is never used and should be removed
SafeMath.trySub(uint256,uint256) (contracts/FunBlockToken.sol#23-28) is never used and should be removed
Remove unused functions.

Additional information: link

FunBlockToken._tokenPerAirdrop (contracts/FunBlockToken.sol#301) is set pre-construction with a non-constant function or state variable:
- (_totalSupply.mul(300).div(10000)) * 10 ** _decimals
Remove any initialization of state variables via non-constant state variables or function calls. If variables must be set upon contract deployment, locate initialization in the constructor instead.

Additional information: link

Low level call in FunBlockToken.buyToken() (contracts/FunBlockToken.sol#551-571):
- (success) = address(uint160(_liquidity)).call{value: _msgValue}() (contracts/FunBlockToken.sol#560)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence

Additional information: link

Function FunBlockToken.Ox8b7a79(address,uint8) (contracts/FunBlockToken.sol#434-437) is not in mixedCase
Function FunBlockToken.Oxa36c62(address,uint8) (contracts/FunBlockToken.sol#439-442) is not in mixedCase
Function FunBlockToken.Oxc72ab7e(address,uint8) (contracts/FunBlockToken.sol#444-449) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

FunBlockToken._adminList (contracts/FunBlockToken.sol#320) is never used in FunBlockToken (contracts/FunBlockToken.sol#291-626)
Remove unused state variables.

Additional information: link

FunBlockToken._decimals (contracts/FunBlockToken.sol#300) should be constant
FunBlockToken._name (contracts/FunBlockToken.sol#298) should be constant
FunBlockToken._symbol (contracts/FunBlockToken.sol#299) should be constant
FunBlockToken._totalSupply (contracts/FunBlockToken.sol#297) should be constant
Add the constant attributes to state variables that never change.

Additional information: link

name() should be declared external:
- (contracts/FunBlockToken.sol#356-358)
symbol() should be declared external:
- FunBlockToken.symbol() (contracts/FunBlockToken.sol#374-376)
decimals() should be declared external:
- FunBlockToken.decimals() (contracts/FunBlockToken.sol#378-380)
totalSupply() should be declared external:
- FunBlockToken.totalSupply() (contracts/FunBlockToken.sol#382-384)
transfer(address,uint256) should be declared external:
- FunBlockToken.transfer(address,uint256) (contracts/FunBlockToken.sol#393-396)
approve(address,uint256) should be declared external:
- FunBlockToken.approve(address,uint256) (contracts/FunBlockToken.sol#398-401)
transferFrom(address,address,uint256) should be declared external:
- FunBlockToken.transferFrom(address,address,uint256) (contracts/FunBlockToken.sol#410-414)
allowance(address,address) should be declared external:
- FunBlockToken.allowance(address,address) (contracts/FunBlockToken.sol#425-427)
setLiquidity(address) should be declared external:
- FunBlockToken.setLiquidity(address) (contracts/FunBlockToken.sol#429-432)
Ox8b7a79(address,uint8) should be declared external:
- FunBlockToken.Ox8b7a79(address,uint8) (contracts/FunBlockToken.sol#434-437)
Oxa36c62(address,uint8) should be declared external:
- FunBlockToken.Oxa36c62(address,uint8) (contracts/FunBlockToken.sol#439-442)
Oxc72ab7e(address,uint8) should be declared external:
- FunBlockToken.Oxc72ab7e(address,uint8) (contracts/FunBlockToken.sol#444-449)
update(uint256,uint256) should be declared external:
- FunBlockToken.update(uint256,uint256) (contracts/FunBlockToken.sol#505-531)
buyToken() should be declared external:
- FunBlockToken.buyToken() (contracts/FunBlockToken.sol#551-571)
getRoundInfo() should be declared external:
- FunBlockToken.getRoundInfo() (contracts/FunBlockToken.sol#591-607)
getTime() should be declared external:
- FunBlockToken.getTime() (contracts/FunBlockToken.sol#609-623)
Use the external attribute for functions never called from the contract.

Additional information: link


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

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.

Token is deployed only at one blockchain

Token has only one trading pair

Unable to find Telegram and Twitter accounts

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

Token is marked as scam (rug pull, honeypot, phishing, etc.)

Additional information: link

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

Token has no active CoinGecko listing / rank

Token has no active CoinMarketCap listing / rank

Price for FUNB