Submission Details
Severity:
Lack of Event Emissions in `CharityRegistry.sol`
Description: The contract does not emit events for important state changes, making it difficult to track changes off-chain and limiting transparency.
Impact:
Difficult to track contract state changes
Limited transparency for users and front-end applications
Challenging to build meaningful monitoring systems
Poor auditability of contract usage
Recommended Mitigation: Add events for registration, verification, and admin changes such as given below:
// Define events
event CharityRegistered(address indexed charity);
event CharityVerified(address indexed charity);
event AdminChanged(address indexed newAdmin);
// Implement in functions
function registerCharity(address charity) public onlyAdmin nonZeroAddress(charity) {
registeredCharities[charity] = true;
emit CharityRegistered(charity);
}
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