Description
Make the CertificateContract call an external EnrollmentContract to verify a student is actually enrolled before issuing a certificate.
Requirements
- Use
env.invoke_contract (or client) to call the external contract.
- Handle potential errors or "Not Found" responses gracefully.
- Block issuance if verification fails.
Level
Rules for Contributors
- Please add an ETA (no more than 2 days) when expressing interest.