Battle Pets" is a blockchain game about adorable pets running on Binance Smart Chain. Each pet is an NFT(Non-fungible Token) that can be collected, nourished, and armed with weapons to battle with other pets.
Unable to find manual contract audit (e.g. Certik, PeckShield, Solidity...)
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.
ERC20.constructor(string,string).name (#936) shadows:
- ERC20.name() (#945-947) (function)
ERC20.constructor(string,string).symbol (#936) shadows:
- ERC20.symbol() (#953-955) (function)
Rename the local variables that shadow another component.
Additional information: link
Address.isContract(address) (#274-283) uses assembly
- INLINE ASM (#281)
Address._functionCallWithValue(address,bytes,uint256,string) (#367-388) uses assembly
- INLINE ASM (#380-383)
Do not use evm assembly.
Additional information: link
Different versions of Solidity is used:
- Version used: ['=0.6.6', '^0.6.0', '^0.6.2']
- ^0.6.0 (#5)
- ^0.6.2 (#251)
- ^0.6.0 (#395)
- ^0.6.0 (#422)
- ^0.6.0 (#641)
- ^0.6.0 (#721)
- ^0.6.0 (#883)
- ^0.6.0 (#1192)
- ^0.6.0 (#1284)
- =0.6.6 (#1312)
Use one Solidity version.
Additional information: link
Low level call in Address.sendValue(address,uint256) (#301-307):
- (success) = recipient.call{value: amount}() (#305)
Low level call in Address._functionCallWithValue(address,bytes,uint256,string) (#367-388):
- (success,returndata) = target.call{value: weiValue}(data) (#371)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence
Additional information: link
Redundant expression "this (#413)" inContext (#407-416)
Remove redundant statements if they congest code but offer no value.
Additional information: link
AccessControl._setRoleAdmin(bytes32,bytes32) (#619-622) is never used and should be removed
Address._functionCallWithValue(address,bytes,uint256,string) (#367-388) is never used and should be removed
Address.functionCall(address,bytes) (#327-329) is never used and should be removed
Address.functionCall(address,bytes,string) (#337-339) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256) (#352-354) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256,string) (#362-365) is never used and should be removed
Address.isContract(address) (#274-283) is never used and should be removed
Address.sendValue(address,uint256) (#301-307) is never used and should be removed
Context._msgData() (#412-415) is never used and should be removed
ERC20._setupDecimals(uint8) (#1167-1169) is never used and should be removed
EnumerableSet.add(EnumerableSet.UintSet,uint256) (#204-206) is never used and should be removed
EnumerableSet.at(EnumerableSet.UintSet,uint256) (#242-244) is never used and should be removed
EnumerableSet.contains(EnumerableSet.UintSet,uint256) (#221-223) is never used and should be removed
EnumerableSet.length(EnumerableSet.UintSet) (#228-230) is never used and should be removed
EnumerableSet.remove(EnumerableSet.UintSet,uint256) (#214-216) is never used and should be removed
SafeMath.div(uint256,uint256) (#821-823) is never used and should be removed
SafeMath.div(uint256,uint256,string) (#837-843) is never used and should be removed
SafeMath.mod(uint256,uint256) (#857-859) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (#873-876) is never used and should be removed
SafeMath.mul(uint256,uint256) (#795-807) is never used and should be removed
Remove unused functions.
Additional information: link
Pragma version^0.6.0 (#5) allows old versions
Pragma version^0.6.2 (#251) allows old versions
Pragma version^0.6.0 (#395) allows old versions
Pragma version^0.6.0 (#422) allows old versions
Pragma version^0.6.0 (#641) allows old versions
Pragma version^0.6.0 (#721) allows old versions
Pragma version^0.6.0 (#883) allows old versions
Pragma version^0.6.0 (#1192) allows old versions
Pragma version^0.6.0 (#1284) allows old versions
Pragma version=0.6.6 (#1312) allows old versions
solc-0.6.6 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
getRoleMemberCount(bytes32) should be declared external:
- AccessControl.getRoleMemberCount(bytes32) (#513-515)
getRoleMember(bytes32,uint256) should be declared external:
- AccessControl.getRoleMember(bytes32,uint256) (#529-531)
getRoleAdmin(bytes32) should be declared external:
- AccessControl.getRoleAdmin(bytes32) (#539-541)
grantRole(bytes32,address) should be declared external:
- AccessControl.grantRole(bytes32,address) (#553-557)
revokeRole(bytes32,address) should be declared external:
- AccessControl.revokeRole(bytes32,address) (#568-572)
renounceRole(bytes32,address) should be declared external:
- AccessControl.renounceRole(bytes32,address) (#588-592)
name() should be declared external:
- ERC20.name() (#945-947)
symbol() should be declared external:
- ERC20.symbol() (#953-955)
decimals() should be declared external:
- ERC20.decimals() (#970-972)
totalSupply() should be declared external:
- ERC20.totalSupply() (#977-979)
balanceOf(address) should be declared external:
- ERC20.balanceOf(address) (#984-986)
transfer(address,uint256) should be declared external:
- ERC20.transfer(address,uint256) (#996-999)
approve(address,uint256) should be declared external:
- ERC20.approve(address,uint256) (#1015-1018)
transferFrom(address,address,uint256) should be declared external:
- ERC20.transferFrom(address,address,uint256) (#1032-1036)
increaseAllowance(address,uint256) should be declared external:
- ERC20.increaseAllowance(address,uint256) (#1050-1053)
decreaseAllowance(address,uint256) should be declared external:
- ERC20.decreaseAllowance(address,uint256) (#1069-1072)
burn(uint256) should be declared external:
- PetToken.burn(uint256) (#1330-1332)
burnFrom(address,uint256) should be declared external:
- PetToken.burnFrom(address,uint256) (#1345-1353)
pause() should be declared external:
- PetToken.pause() (#1355-1358)
unpause() should be declared external:
- PetToken.unpause() (#1360-1363)
Use the external attribute for functions never called from the contract.
Additional information: link
Unable to find token contract audit
Unable to find audit link on the website
Unable to find token on CoinHunt
Additional information: link
Unable to find code repository for the project
Unable to find whitepaper link on the website
Last post in Twitter was more than 30 days ago
Unable to find Youtube account
Unable to find Discord account