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8F [8.Finance] Token

About 8F

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Token 12 days

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8.Finance is a MetaFi platform where you can easily play, study and earn cryptocurrencies without any special skills. Even crypto noobs can reach the level of experts with us. You can start with a simple free-to-play game “Snake for Crypto” and collect your first cryptocurrencies on the playing field. Then you can withdraw them into your wallet and sell them. Or use them in our other services to multiply your assets as well as explore the blockchain technology's potential.

Laser Scorebeta Last Audit: 24 June 2022

report
Token is either risky or in presale. For presale 30+ is a fine score.


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


Contract ownership is not renounced (belongs to a wallet)

ERC1967Upgrade._upgradeToAndCall(address,bytes,bool) (#441-447) ignores return value by Address.functionDelegateCall(newImplementation,data) (#445)
ERC1967Upgrade._upgradeToAndCallSecure(address,bytes,bool) (#454-482) ignores return value by Address.functionDelegateCall(newImplementation,data) (#460)
ERC1967Upgrade._upgradeToAndCallSecure(address,bytes,bool) (#454-482) ignores return value by Address.functionDelegateCall(newImplementation,abi.encodeWithSignature(upgradeTo(address),oldImplementation)) (#468-474)
ERC1967Upgrade._upgradeBeaconToAndCall(address,bytes,bool) (#490-496) ignores return value by Address.functionDelegateCall(IBeacon(newBeacon).implementation(),data) (#494)
Ensure that all the return values of the function calls are used.

Additional information: link

Contract name (8.Finance) contains non-alphanumeric characters.
Not a direct threat, but may indicate unreliable intentions of developer. Non-alphanumeric chars (,.;!#*&") are extremely rare among low risk tokens.

Modifier TransparentUpgradeableProxy.ifAdmin() (#643-649) does not always execute _; or revert
All the paths in a modifier must execute _ or revert.

Additional information: link

Reentrancy in ERC1967Upgrade._upgradeToAndCallSecure(address,bytes,bool) (#454-482):
External calls:
- Address.functionDelegateCall(newImplementation,data) (#460)
- Address.functionDelegateCall(newImplementation,abi.encodeWithSignature(upgradeTo(address),oldImplementation)) (#468-474)
Event emitted after the call(s):
- Upgraded(newImplementation) (#480)
Reentrancy in TransparentUpgradeableProxy.constructor(address,address,bytes) (#635-638):
External calls:
- ERC1967Proxy(_logic,_data) (#635)
- Address.functionDelegateCall(newImplementation,data) (#445)
- (success,returndata) = target.delegatecall(data) (#270)
Event emitted after the call(s):
- AdminChanged(_getAdmin(),newAdmin) (#531)
- _changeAdmin(admin_) (#637)
Apply the check-effects-interactions pattern.

Additional information: link

Proxy._delegate(address) (#22-42) uses assembly
- INLINE ASM (#24-41)
Address.isContract(address) (#129-138) uses assembly
- INLINE ASM (#136)
Address._verifyCallResult(bool,bytes,string) (#274-291) uses assembly
- INLINE ASM (#283-286)
StorageSlot.getAddressSlot(bytes32) (#345-349) uses assembly
- INLINE ASM (#346-348)
StorageSlot.getBooleanSlot(bytes32) (#354-358) uses assembly
- INLINE ASM (#355-357)
StorageSlot.getBytes32Slot(bytes32) (#363-367) uses assembly
- INLINE ASM (#364-366)
StorageSlot.getUint256Slot(bytes32) (#372-376) uses assembly
- INLINE ASM (#373-375)
Do not use evm assembly.

Additional information: link

Different versions of Solidity is used:
- Version used: ['^0.8.0', '^0.8.2']
- ^0.8.0 (#4)
- ^0.8.0 (#89)
- ^0.8.0 (#106)
- ^0.8.0 (#297)
- ^0.8.2 (#382)
- ^0.8.0 (#572)
- ^0.8.0 (#606)
Use one Solidity version.

Additional information: link

Address.functionCall(address,bytes) (#182-184) is never used and should be removed
Address.functionCall(address,bytes,string) (#192-194) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256) (#207-209) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256,string) (#217-224) is never used and should be removed
Address.functionStaticCall(address,bytes) (#232-234) is never used and should be removed
Address.functionStaticCall(address,bytes,string) (#242-248) is never used and should be removed
Address.sendValue(address,uint256) (#156-162) is never used and should be removed
ERC1967Upgrade._getBeacon() (#549-551) is never used and should be removed
ERC1967Upgrade._setBeacon(address) (#556-566) is never used and should be removed
ERC1967Upgrade._upgradeBeaconToAndCall(address,bytes,bool) (#490-496) is never used and should be removed
ERC1967Upgrade._upgradeTo(address) (#431-434) is never used and should be removed
ERC1967Upgrade._upgradeToAndCallSecure(address,bytes,bool) (#454-482) is never used and should be removed
Proxy._implementation() (#48) is never used and should be removed
StorageSlot.getBooleanSlot(bytes32) (#354-358) is never used and should be removed
StorageSlot.getBytes32Slot(bytes32) (#363-367) is never used and should be removed
StorageSlot.getUint256Slot(bytes32) (#372-376) is never used and should be removed
TransparentUpgradeableProxy._admin() (#711-713) is never used and should be removed
Remove unused functions.

Additional information: link

Pragma version^0.8.0 (#4) allows old versions
Pragma version^0.8.0 (#89) allows old versions
Pragma version^0.8.0 (#106) allows old versions
Pragma version^0.8.0 (#297) allows old versions
Pragma version^0.8.2 (#382) allows old versions
Pragma version^0.8.0 (#572) allows old versions
Pragma version^0.8.0 (#606) 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

Low level call in Address.sendValue(address,uint256) (#156-162):
- (success) = recipient.call{value: amount}() (#160)
Low level call in Address.functionCallWithValue(address,bytes,uint256,string) (#217-224):
- (success,returndata) = target.call{value: value}(data) (#222)
Low level call in Address.functionStaticCall(address,bytes,string) (#242-248):
- (success,returndata) = target.staticcall(data) (#246)
Low level call in Address.functionDelegateCall(address,bytes,string) (#266-272):
- (success,returndata) = target.delegatecall(data) (#270)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence

Additional information: link

TransparentUpgradeableProxy (#630-723) should inherit from IBeacon (#94-101)
Inherit from the missing interface or contract.

Additional information: link

Holders:


Token seems to be untradeable: there is no PancakeSwap trading pair and no trading volumes. Ignore for presale.


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

No disclosed threats


BscScan page for the token does not contain additional info: website, socials, description, etc.

Additional information: link


Unable to find token contract audit


Unable to verify that token and website are owned by the same team (no listings + unable to find contract on website)


Unable to verify token contract address on the website


Unable to find audit link on the website


Unable to find whitepaper link on the website


Unable to find token on CoinGecko

Additional information: link


Unable to find token on CoinMarketCap

Additional information: link


Token is not listed at Mobula.Finance

Additional information: link


Unable to find token on CoinHunt

Additional information: link


Unable to find code repository for the project


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


Token has no active CoinGecko listing / rank


Token has no active CoinMarketCap listing / rank


Young tokens have high risks of price dump / death

Price for 8F

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