About HPW
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Happyland is an online game built in combination with the Blockchain platform, Happyland’s design is inspired by the Texas countryside. USA. In Happyland, players have the opportunity to become a farm owner, as farm owner players are able to participate in soil tillage, raise plants/cattle and decorate their farm. Through that, each player helps build a combined metaverse with many various farms and each with their own style.
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Laser Scorebeta Last Audit: 13 December 2022
Unable to verify that contract auditor is trusted: Certik, Quantstamp, Hacken, Solidity, Paladinsec, Openzeppelin, Verichains
Contract ownership is not renounced (belongs to a wallet)
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.
Redundant expression "this (@openzeppelin/contracts/utils/Context.sol#21)" inContext (@openzeppelin/contracts/utils/Context.sol#15-24)
Remove redundant statements if they congest code but offer no value.
Additional information: link
ERC1967Upgrade._upgradeToAndCall(address,bytes,bool) (@openzeppelin/contracts/proxy/ERC1967/ERC1967Upgrade.sol#63-69) ignores return value by Address.functionDelegateCall(newImplementation,data) (@openzeppelin/contracts/proxy/ERC1967/ERC1967Upgrade.sol#67)
ERC1967Upgrade._upgradeBeaconToAndCall(address,bytes,bool) (@openzeppelin/contracts/proxy/ERC1967/ERC1967Upgrade.sol#112-118) ignores return value by Address.functionDelegateCall(IBeacon(newBeacon).implementation(),data) (@openzeppelin/contracts/proxy/ERC1967/ERC1967Upgrade.sol#116)
ERC1967Upgrade._upgradeToAndCallSecure(address,bytes,bool) (@openzeppelin/contracts/proxy/ERC1967/ERC1967Upgrade.sol#76-104) ignores return value by Address.functionDelegateCall(newImplementation,abi.encodeWithSignature(upgradeTo(address),oldImplementation)) (@openzeppelin/contracts/proxy/ERC1967/ERC1967Upgrade.sol#90-96)
ERC1967Upgrade._upgradeToAndCallSecure(address,bytes,bool) (@openzeppelin/contracts/proxy/ERC1967/ERC1967Upgrade.sol#76-104) ignores return value by Address.functionDelegateCall(newImplementation,data) (@openzeppelin/contracts/proxy/ERC1967/ERC1967Upgrade.sol#82)
Ensure that all the return values of the function calls are used.
Additional information: link
AdminUpgradeabilityProxy.constructor(address,address,bytes).admin (contracts/import.sol#10) shadows:
- TransparentUpgradeableProxy.admin() (@openzeppelin/contracts/proxy/transparent/TransparentUpgradeableProxy.sol#58-60) (function)
Rename the local variables that shadow another component.
Additional information: link
Modifier TransparentUpgradeableProxy.ifAdmin() (@openzeppelin/contracts/proxy/transparent/TransparentUpgradeableProxy.sol#41-47) 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) (@openzeppelin/contracts/proxy/ERC1967/ERC1967Upgrade.sol#76-104):
External calls:
- Address.functionDelegateCall(newImplementation,data) (@openzeppelin/contracts/proxy/ERC1967/ERC1967Upgrade.sol#82)
- Address.functionDelegateCall(newImplementation,abi.encodeWithSignature(upgradeTo(address),oldImplementation)) (@openzeppelin/contracts/proxy/ERC1967/ERC1967Upgrade.sol#90-96)
Event emitted after the call(s):
- Upgraded(newImplementation) (@openzeppelin/contracts/proxy/ERC1967/ERC1967Upgrade.sol#102)
Apply the check-effects-interactions pattern.
Additional information: link
StorageSlot.getBytes32Slot(bytes32) (@openzeppelin/contracts/utils/StorageSlot.sol#69-73) uses assembly
- INLINE ASM (@openzeppelin/contracts/utils/StorageSlot.sol#70-72)
Address._verifyCallResult(bool,bytes,string) (@openzeppelin/contracts/utils/Address.sol#171-188) uses assembly
- INLINE ASM (@openzeppelin/contracts/utils/Address.sol#180-183)
StorageSlot.getBooleanSlot(bytes32) (@openzeppelin/contracts/utils/StorageSlot.sol#60-64) uses assembly
- INLINE ASM (@openzeppelin/contracts/utils/StorageSlot.sol#61-63)
StorageSlot.getUint256Slot(bytes32) (@openzeppelin/contracts/utils/StorageSlot.sol#78-82) uses assembly
- INLINE ASM (@openzeppelin/contracts/utils/StorageSlot.sol#79-81)
StorageSlot.getAddressSlot(bytes32) (@openzeppelin/contracts/utils/StorageSlot.sol#51-55) uses assembly
- INLINE ASM (@openzeppelin/contracts/utils/StorageSlot.sol#52-54)
Address.isContract(address) (@openzeppelin/contracts/utils/Address.sol#26-35) uses assembly
- INLINE ASM (@openzeppelin/contracts/utils/Address.sol#33)
Proxy._delegate(address) (@openzeppelin/contracts/proxy/Proxy.sol#21-41) uses assembly
- INLINE ASM (@openzeppelin/contracts/proxy/Proxy.sol#23-40)
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 (@openzeppelin/contracts/access/Ownable.sol#3)
- ^0.8.0 (@openzeppelin/contracts/proxy/ERC1967/ERC1967Proxy.sol#3)
- ^0.8.2 (@openzeppelin/contracts/proxy/ERC1967/ERC1967Upgrade.sol#3)
- ^0.8.0 (@openzeppelin/contracts/proxy/Proxy.sol#3)
- ^0.8.0 (@openzeppelin/contracts/proxy/beacon/IBeacon.sol#3)
- ^0.8.0 (@openzeppelin/contracts/proxy/transparent/ProxyAdmin.sol#3)
- ^0.8.0 (@openzeppelin/contracts/proxy/transparent/TransparentUpgradeableProxy.sol#3)
- ^0.8.0 (@openzeppelin/contracts/proxy/utils/UUPSUpgradeable.sol#3)
- ^0.8.0 (@openzeppelin/contracts/utils/Address.sol#3)
- ^0.8.0 (@openzeppelin/contracts/utils/Context.sol#3)
- ^0.8.0 (@openzeppelin/contracts/utils/StorageSlot.sol#3)
- ^0.8.0 (contracts/import.sol#2)
- ^0.8.2 (contracts/test/Proxiable.sol#2)
Use one Solidity version.
Additional information: link
Address.sendValue(address,uint256) (@openzeppelin/contracts/utils/Address.sol#53-59) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256) (@openzeppelin/contracts/utils/Address.sol#104-106) is never used and should be removed
StorageSlot.getUint256Slot(bytes32) (@openzeppelin/contracts/utils/StorageSlot.sol#78-82) is never used and should be removed
ERC1967Upgrade._upgradeBeaconToAndCall(address,bytes,bool) (@openzeppelin/contracts/proxy/ERC1967/ERC1967Upgrade.sol#112-118) is never used and should be removed
TransparentUpgradeableProxy._admin() (@openzeppelin/contracts/proxy/transparent/TransparentUpgradeableProxy.sol#109-111) is never used and should be removed
ERC1967Upgrade._upgradeTo(address) (@openzeppelin/contracts/proxy/ERC1967/ERC1967Upgrade.sol#53-56) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256,string) (@openzeppelin/contracts/utils/Address.sol#114-121) is never used and should be removed
Context._msgData() (@openzeppelin/contracts/utils/Context.sol#20-23) is never used and should be removed
Address.functionStaticCall(address,bytes) (@openzeppelin/contracts/utils/Address.sol#129-131) is never used and should be removed
ERC1967Upgrade._setBeacon(address) (@openzeppelin/contracts/proxy/ERC1967/ERC1967Upgrade.sol#178-188) is never used and should be removed
StorageSlot.getBytes32Slot(bytes32) (@openzeppelin/contracts/utils/StorageSlot.sol#69-73) is never used and should be removed
Address.functionCall(address,bytes,string) (@openzeppelin/contracts/utils/Address.sol#89-91) is never used and should be removed
ERC1967Upgrade._getBeacon() (@openzeppelin/contracts/proxy/ERC1967/ERC1967Upgrade.sol#171-173) is never used and should be removed
Address.functionStaticCall(address,bytes,string) (@openzeppelin/contracts/utils/Address.sol#139-145) is never used and should be removed
Address.functionCall(address,bytes) (@openzeppelin/contracts/utils/Address.sol#79-81) is never used and should be removed
Remove unused functions.
Additional information: link
Pragma version^0.8.0 (@openzeppelin/contracts/utils/Context.sol#3) allows old versions
Pragma version^0.8.2 (contracts/test/Proxiable.sol#2) allows old versions
Pragma version^0.8.0 (contracts/import.sol#2) allows old versions
Pragma version^0.8.0 (@openzeppelin/contracts/utils/StorageSlot.sol#3) allows old versions
Pragma version^0.8.0 (@openzeppelin/contracts/proxy/transparent/TransparentUpgradeableProxy.sol#3) allows old versions
Pragma version^0.8.0 (@openzeppelin/contracts/proxy/ERC1967/ERC1967Proxy.sol#3) allows old versions
Pragma version^0.8.0 (@openzeppelin/contracts/proxy/Proxy.sol#3) allows old versions
Pragma version^0.8.0 (@openzeppelin/contracts/proxy/beacon/IBeacon.sol#3) allows old versions
Pragma version^0.8.0 (@openzeppelin/contracts/access/Ownable.sol#3) allows old versions
Pragma version^0.8.0 (@openzeppelin/contracts/proxy/transparent/ProxyAdmin.sol#3) allows old versions
Pragma version^0.8.0 (@openzeppelin/contracts/utils/Address.sol#3) allows old versions
Pragma version^0.8.2 (@openzeppelin/contracts/proxy/ERC1967/ERC1967Upgrade.sol#3) allows old versions
solc-0.8.2 is not recommended for deployment
Pragma version^0.8.0 (@openzeppelin/contracts/proxy/utils/UUPSUpgradeable.sol#3) 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 ProxyAdmin.getProxyAdmin(TransparentUpgradeableProxy) (@openzeppelin/contracts/proxy/transparent/ProxyAdmin.sol#36-42):
- (success,returndata) = address(proxy).staticcall(0xf851a440) (@openzeppelin/contracts/proxy/transparent/ProxyAdmin.sol#39)
Low level call in Address.sendValue(address,uint256) (@openzeppelin/contracts/utils/Address.sol#53-59):
- (success) = recipient.call{value: amount}() (@openzeppelin/contracts/utils/Address.sol#57)
Low level call in Address.functionDelegateCall(address,bytes,string) (@openzeppelin/contracts/utils/Address.sol#163-169):
- (success,returndata) = target.delegatecall(data) (@openzeppelin/contracts/utils/Address.sol#167)
Low level call in ProxyAdmin.getProxyImplementation(TransparentUpgradeableProxy) (@openzeppelin/contracts/proxy/transparent/ProxyAdmin.sol#21-27):
- (success,returndata) = address(proxy).staticcall(0x5c60da1b) (@openzeppelin/contracts/proxy/transparent/ProxyAdmin.sol#24)
Low level call in Address.functionCallWithValue(address,bytes,uint256,string) (@openzeppelin/contracts/utils/Address.sol#114-121):
- (success,returndata) = target.call{value: value}(data) (@openzeppelin/contracts/utils/Address.sol#119)
Low level call in Address.functionStaticCall(address,bytes,string) (@openzeppelin/contracts/utils/Address.sol#139-145):
- (success,returndata) = target.staticcall(data) (@openzeppelin/contracts/utils/Address.sol#143)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence
Additional information: link
renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (@openzeppelin/contracts/access/Ownable.sol#54-57)
upgradeAndCall(TransparentUpgradeableProxy,address,bytes) should be declared external:
- ProxyAdmin.upgradeAndCall(TransparentUpgradeableProxy,address,bytes) (@openzeppelin/contracts/proxy/transparent/ProxyAdmin.sol#74-76)
getProxyAdmin(TransparentUpgradeableProxy) should be declared external:
- ProxyAdmin.getProxyAdmin(TransparentUpgradeableProxy) (@openzeppelin/contracts/proxy/transparent/ProxyAdmin.sol#36-42)
getProxyImplementation(TransparentUpgradeableProxy) should be declared external:
- ProxyAdmin.getProxyImplementation(TransparentUpgradeableProxy) (@openzeppelin/contracts/proxy/transparent/ProxyAdmin.sol#21-27)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (@openzeppelin/contracts/access/Ownable.sol#63-67)
changeProxyAdmin(TransparentUpgradeableProxy,address) should be declared external:
- ProxyAdmin.changeProxyAdmin(TransparentUpgradeableProxy,address) (@openzeppelin/contracts/proxy/transparent/ProxyAdmin.sol#51-53)
upgrade(TransparentUpgradeableProxy,address) should be declared external:
- ProxyAdmin.upgrade(TransparentUpgradeableProxy,address) (@openzeppelin/contracts/proxy/transparent/ProxyAdmin.sol#62-64)
Use the external attribute for functions never called from the contract.
Additional information: link
Average PancakeSwap trading volume, liqudity, number of swaps are extremely low. Token seems to be dead.
Token is deployed only at one blockchain
Token has only one trading pair
Unable to find PancakeSwap trading pair to compute liquidity.
Unable to find PancakeSwap trading pair to compute number of swaps.
Unable to find PancakeSwap trading pair to compute volume.
Token has a considerable age, but average PancakeSwap 30d trading volume is low
Young tokens have high risks of price dump / death
Token has relatively low CoinGecko rank
Token has relatively low CoinMarketCap rank
Price for HPW
LASER DESK beta
Unable to find Youtube account