All issues

lib.rs does not implement a circuit breaker for repeated payment failures — failing courses stay active

#178

· SYLVIANNORUKA opened

on Jul 10, 2026

lib.rs does not implement minimum time between consecutive admin key transfers — rapid key rotation is unchecked

#176

· SYLVIANNORUKA opened

on Jul 10, 2026

lib.rs does not validate that update_default_fee() new value differs from the current stored value

#175

· SYLVIANNORUKA opened

on Jul 10, 2026

test.rs does not test behavior when course token contract is paused during enrollment

#174

· SYLVIANNORUKA opened

on Jul 10, 2026

lib.rs does not provide admin function to bulk-revoke all certificates for a course

#173

· SYLVIANNORUKA opened

on Jul 10, 2026

lib.rs does not implement a waiting period after init() before first course approval is allowed

#172

· SYLVIANNORUKA opened

on Jul 10, 2026

enroll() does not emit an event when enrollment is rejected due to course status

#171

· SYLVIANNORUKA opened

on Jul 10, 2026

lib.rs does not validate course ID does not contain null bytes or control characters

#170

· SYLVIANNORUKA opened

on Jul 10, 2026

test.rs does not test mark_completed() called twice on the same enrollment

#169

· SYLVIANNORUKA opened

on Jul 10, 2026

lib.rs does not implement secondary approval for high-value course registrations

#168

· SYLVIANNORUKA opened

on Jul 10, 2026

enroll() does not validate caller address is not a zero address — phantom enrollments possible

#167

· SYLVIANNORUKA opened

on Jul 10, 2026

lib.rs does not support course category or tag metadata — courses cannot be filtered by type on-chain

#166

· SYLVIANNORUKA opened

on Jul 10, 2026