Submission Details
Severity:
Missing Contract Upgradability
Description: Neither contract implements upgrade mechanisms, making bug fixes and improvements difficult.
Recommended Mitigation: Implement upgradeable contract pattern:
import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol";
contract GivingThanksUpgradeable is Initializable, ERC721URIStorageUpgradeable {
function initialize(address _registry) public initializer {
__ERC721_init("DonationReceipt", "DRC");
registry = CharityRegistry(_registry);
owner = msg.sender;
}
}
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nSLOC
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