CryptoCars is inspired by a movie Cars - A 2006 American computer-animated sports comedy film produced by Pixar Animation Studios and released by Walt Disney Pictures and the NFT Blockchain Technology that helps to prove your ownership of digital assets.
Unable to find manual contract audit (e.g. Certik, PeckShield, Solidity...)
Contract ownership is not renounced (belongs to a wallet)
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
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
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
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
Unable to crawl data from the website
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 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 Telegram link on the website
Unable to find Twitter link on the website
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
Young tokens have high risks of price dump / death
Token has relatively low CoinGecko rank
Twitter account link seems to be invalid
Unable to find Blog account (Reddit or Medium)
Unable to find Youtube account