GXT is a multinational company in business in 20 countries, with its headquarters in Singapore, with corporations and offices in seven countries including Dubai, India, Virgin Islands, Vietnam, Cambodia and Kazakhstan.Major business areas are diamond trading and luxury trading.It is activating GXT through its diamond auction platform operated by GXT, global online shopping malls that can pay for cryptocurrency, cryptocurrency payment terminals (offline), and its own exchange business.
Contract name (Gem Exchange and Trading (Wormhole)) 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.
Not a direct threat, but may indicate unreliable intentions of developer. Widespread names (e.g. Elon, King, Moon, Doge) are common among meme-tokens and scams. The allow to gain free hype and attract unexperienced investors.
Contract ownership is semi-renounced (passed to a contract)
ERC1967Upgrade._upgradeToAndCallSecure(address,bytes,bool) (#500-528) ignores return value by Address.functionDelegateCall(newImplementation,data) (#510)
ERC1967Upgrade._upgradeToAndCallSecure(address,bytes,bool) (#500-528) ignores return value by Address.functionDelegateCall(newImplementation,abi.encodeWithSignature(upgradeTo(address),oldImplementation)) (#518-521)
ERC1967Upgrade._upgradeBeaconToAndCall(address,bytes,bool) (#603-613) ignores return value by Address.functionDelegateCall(IBeacon(newBeacon).implementation(),data) (#611)
ERC1967Upgrade._upgradeToAndCall(address,bytes,bool) (#484-493) ignores return value by Address.functionDelegateCall(newImplementation,data) (#491)
Ensure that all the return values of the function calls are used.
Additional information: link
Reentrancy in ERC1967Upgrade._upgradeToAndCallSecure(address,bytes,bool) (#500-528):
External calls:
- Address.functionDelegateCall(newImplementation,data) (#510)
- Address.functionDelegateCall(newImplementation,abi.encodeWithSignature(upgradeTo(address),oldImplementation)) (#518-521)
Event emitted after the call(s):
- Upgraded(newImplementation) (#476)
- _upgradeTo(newImplementation) (#526)
Apply the check-effects-interactions pattern.
Additional information: link
Address.isContract(address) (#120-130) uses assembly
- INLINE ASM (#126-128)
Proxy._delegate(address) (#335-358) uses assembly
- INLINE ASM (#336-357)
StorageSlot.getBooleanSlot(bytes32) (#67-71) uses assembly
- INLINE ASM (#68-70)
Address.verifyCallResult(bool,bytes,string) (#289-309) uses assembly
- INLINE ASM (#301-304)
StorageSlot.getBytes32Slot(bytes32) (#76-80) uses assembly
- INLINE ASM (#77-79)
StorageSlot.getUint256Slot(bytes32) (#85-89) uses assembly
- INLINE ASM (#86-88)
StorageSlot.getAddressSlot(bytes32) (#58-62) uses assembly
- INLINE ASM (#59-61)
Do not use evm assembly.
Additional information: link
Different versions of Solidity are used:
- Version used: ['^0.8.0', '^0.8.2']
- ^0.8.0 (#10)
- ^0.8.0 (#97)
- ^0.8.0 (#317)
- ^0.8.0 (#406)
- ^0.8.2 (#425)
- ^0.8.0 (#621)
- ^0.8.0 (#685)
Use one Solidity version.
Additional information: link
Address.sendValue(address,uint256) (#148-153) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256) (#202-208) is never used and should be removed
StorageSlot.getUint256Slot(bytes32) (#85-89) is never used and should be removed
ERC1967Upgrade._upgradeToAndCallSecure(address,bytes,bool) (#500-528) is never used and should be removed
ERC1967Upgrade._changeAdmin(address) (#562-565) is never used and should be removed
ERC1967Upgrade._getImplementation() (#457-459) is never used and should be removed
ERC1967Upgrade._upgradeToAndCall(address,bytes,bool) (#484-493) is never used and should be removed
BeaconProxy._beacon() (#654-656) is never used and should be removed
ERC1967Upgrade._upgradeTo(address) (#474-477) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256,string) (#216-227) is never used and should be removed
ERC1967Upgrade._getAdmin() (#545-547) is never used and should be removed
Address.functionStaticCall(address,bytes) (#235-237) is never used and should be removed
ERC1967Upgrade._setAdmin(address) (#552-555) is never used and should be removed
StorageSlot.getBooleanSlot(bytes32) (#67-71) is never used and should be removed
StorageSlot.getBytes32Slot(bytes32) (#76-80) is never used and should be removed
Address.functionCall(address,bytes,string) (#183-189) is never used and should be removed
BeaconProxy._setBeacon(address,bytes) (#675-677) is never used and should be removed
Address.functionStaticCall(address,bytes,string) (#245-254) is never used and should be removed
ERC1967Upgrade._setImplementation(address) (#464-467) is never used and should be removed
Address.functionCall(address,bytes) (#173-175) is never used and should be removed
Remove unused functions.
Additional information: link
Pragma version^0.8.0 (#685) allows old versions
Pragma version^0.8.0 (#97) allows old versions
Pragma version^0.8.0 (#621) allows old versions
Pragma version^0.8.0 (#406) allows old versions
Pragma version^0.8.0 (#317) allows old versions
Pragma version^0.8.2 (#425) allows old versions
Pragma version^0.8.0 (#10) 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
Low level call in Address.functionCallWithValue(address,bytes,uint256,string) (#216-227):
- (success,returndata) = target.call{value: value}(data) (#225)
Low level call in Address.functionDelegateCall(address,bytes,string) (#272-281):
- (success,returndata) = target.delegatecall(data) (#279)
Low level call in Address.sendValue(address,uint256) (#148-153):
- (success) = recipient.call{value: amount}() (#151)
Low level call in Address.functionStaticCall(address,bytes,string) (#245-254):
- (success,returndata) = target.staticcall(data) (#252)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence
Additional information: link
Young tokens have high risks of price dump / death
Token has relatively low CoinGecko rank
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