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STAR [STARSWAP] Token

ALERT: phishing / airdrop scam

About STAR

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Token 17 months
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community Game NFT.Defi 2.0

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Laser Scorebeta Last Audit: 2 April 2023

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Token seems to be a scam (type: phishing / airdrop scam).

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

STAR.airdrop(address) (#1001-1013) sends eth to arbitrary user
Dangerous calls:
- address(address(uint160(_refer))).transfer(referEth) (#1009)
Ensure that an arbitrary user cannot withdraw unauthorized funds.

Additional information: link


Contract ownership is not renounced (belongs to a wallet)

STAR._writeCheckpoint(address,uint32,uint256,uint256) (#915-933) uses a dangerous strict equality:
- nCheckpoints > 0 && checkpoints[delegatee][nCheckpoints - 1].fromBlock == blockNumber (#925)
Don't use strict equality to determine if an account has enough Ether or tokens.

Additional information: link

Redundant expression "this (#19)" inContext (#13-22)
Remove redundant statements if they congest code but offer no value.

Additional information: link

STAR.set(uint8,uint256) (#973-999) should emit an event for:
- _referEth = value (#981)
- _referToken = value (#983)
- _airdropEth = value (#985)
- _airdropToken = value (#987)
- salePrice = value (#991)
- _airdorpBnb = value (#993)
- _buyBnb = value (#995)
Emit an event for critical parameter changes.

Additional information: link

STAR.slitherConstructorVariables() (#648-1034) uses literals with too many digits:
- salePrice = 13500000 (#957)
STAR.slitherConstructorVariables() (#648-1034) uses literals with too many digits:
- _airdropToken = 67500000000000000000000 (#952)
STAR.constructor() (#670-675) uses literals with too many digits:
- mint(address(this),200000000000000000000000000000) (#674)
STAR.slitherConstructorVariables() (#648-1034) uses literals with too many digits:
- _airdropEth = 5000000000000000 (#951)
Use: Ether suffix, Time suffix, or The scientific notation

Additional information: link

STAR.delegateBySig(address,uint256,uint256,uint8,bytes32,bytes32) (#781-822) uses timestamp for comparisons
Dangerous comparisons:
- require(bool,string)(now <= expiry,BDX::delegateBySig: signature expired) (#820)
Avoid relying on block.timestamp.

Additional information: link

STAR.getChainId() (#940-944) uses assembly
- INLINE ASM (#942)
Do not use evm assembly.

Additional information: link

Different versions of Solidity are used:
- Version used: ['0.6.12', '>=0.4.0', '>=0.6.0<0.8.0', '>=0.6.4']
- >=0.6.0<0.8.0 (#11)
- >=0.6.0<0.8.0 (#26)
- >=0.6.4 (#94)
- >=0.6.0<0.8.0 (#189)
- >=0.4.0 (#351)
- 0.6.12 (#645)
Use one Solidity version.

Additional information: link

BEP20._burnFrom(address,uint256) (#637-640) is never used and should be removed
BEP20._burn(address,uint256) (#602-608) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (#341-344) is never used and should be removed
Context._msgData() (#18-21) is never used and should be removed
SafeMath.mod(uint256,uint256) (#325-327) is never used and should be removed
Remove unused functions.

Additional information: link

Pragma version>=0.4.0 (#351) allows old versions
Pragma version>=0.6.0<0.8.0 (#11) is too complex
Pragma version>=0.6.0<0.8.0 (#189) is too complex
Pragma version>=0.6.0<0.8.0 (#26) is too complex
Pragma version>=0.6.4 (#94) allows old versions
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

Parameter STAR.airdrop(address)._refer (#1001) is not in mixedCase
Variable STAR._delegates (#723) is not in mixedCase
Parameter STAR.buy(address)._refer (#1015) is not in mixedCase
Variable Ownable._swAuth (#42) is not in mixedCase
Parameter STAR.mint(address,uint256)._amount (#678) is not in mixedCase
Parameter STAR.mint(address,uint256)._to (#678) is not in mixedCase
Parameter STAR.updateMaxTransferAmountRate(uint16)._maxTransferAmountRate (#699) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

transfer(address,uint256) should be declared external:
- BEP20.transfer(address,uint256) (#456-459)
updateMaxTransferAmountRate(uint16) should be declared external:
- STAR.updateMaxTransferAmountRate(uint16) (#699-703)
symbol() should be declared external:
- BEP20.symbol() (#423-425)
buy(address) should be declared external:
- STAR.buy(address) (#1015-1031)
renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (#76-79)
set(uint8,uint256) should be declared external:
- STAR.set(uint8,uint256) (#973-999)
approve(address,uint256) should be declared external:
- BEP20.approve(address,uint256) (#475-478)
transferFrom(address,address,uint256) should be declared external:
- BEP20.transferFrom(address,address,uint256) (#492-500)
airdrop(address) should be declared external:
- STAR.airdrop(address) (#1001-1013)
transferOperator(address) should be declared external:
- STAR.transferOperator(address) (#716-720)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (#85-89)
mint(uint256) should be declared external:
- BEP20.mint(uint256) (#546-549)
allowance(address,address) should be declared external:
- BEP20.allowance(address,address) (#464-466)
maxTransferAmount() should be declared external:
- STAR.maxTransferAmount() (#691-693)
operator() should be declared external:
- STAR.operator() (#708-710)
clearAllETH(uint256,address) should be declared external:
- STAR.clearAllETH(uint256,address) (#959-964)
decimals() should be declared external:
- BEP20.decimals() (#430-432)
increaseAllowance(address,uint256) should be declared external:
- BEP20.increaseAllowance(address,uint256) (#514-517)
decreaseAllowance(address,uint256) should be declared external:
- BEP20.decreaseAllowance(address,uint256) (#533-536)
receiveToken(uint256,address) should be declared external:
- STAR.receiveToken(uint256,address) (#966-971)
Use the external attribute for functions never called from the contract.

Additional information: link

BEP20.allowance(address,address).owner (#464) shadows:
- Ownable.owner() (#57-59) (function)
BEP20.constructor(string,string).symbol (#399) shadows:
- BEP20.symbol() (#423-425) (function)
- IBEP20.symbol() (#110) (function)
BEP20._approve(address,address,uint256).owner (#623) shadows:
- Ownable.owner() (#57-59) (function)
BEP20.constructor(string,string).name (#399) shadows:
- BEP20.name() (#415-417) (function)
- IBEP20.name() (#115) (function)
Rename the local variables that shadow another component.

Additional information: link

Holders:


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


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


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


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


Token is deployed only at one blockchain


Token has only one trading pair


Twitter account link seems to be invalid


Unable to find Discord account


Unable to find Blog account (Reddit or Medium)


Unable to find Youtube account


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


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

Additional information: link


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

Price for STAR