Complete Fraud Registry Smart Contract

[jaynomyaro]

Summary

This PR introduces a complete Fraud Registry Smart Contract designed to record, manage, and verify fraud-related addresses or entities on-chain. It provides a secure and structured mechanism for flagging malicious actors and maintaining an auditable registry.

🚀 Key Features

1. Fraud Registration
   Ability to register a wallet/address as fraudulent
   Stores metadata such as:
   Reason for flagging
   Timestamp of report
   Reporter identity (authorized roles only)
2. Fraud Verification
   Query whether an address is flagged
   Returns structured fraud status response
3. Controlled Access
   Only authorized roles (admin/owner) can:
   Add fraud entries
   Remove or update fraud status
4. Fraud Revocation
   Supports unflagging addresses when:
   False positives are identified
   Resolution occurs after investigation
5. Event Emission

The contract emits events for full traceability:

fraud_registered
fraud_removed
fraud_updated..closed #129

[drips-wave]

@jaynomyaro Great news! 🎉 Based on an automated assessment of this PR, the linked Wave issue(s) no longer count against your application limits.

You can now already apply to more issues while waiting for a review of this PR. Keep up the great work! 🚀

Learn more about application limits