📝Changelog
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- Cert: Rework certifier governance flow — new typed MsgUpdateCertifier with Add/Remove enum replaces the legacy proposal path. Submissions are now restricted to registered certifiers.
- Cert: Introduce 5 secondary certificate indexes (by certifier, type, certifier+type, content hash, type+content hash). Filtered queries and IsCertified / IsContentCertified now use prefix iteration instead of full-store scans, significantly reducing gas on large certificate sets.
- Cert: Migrate keeper storage to cosmossdk.io/collections.
- Cert: Add OpenMath certificate type and expand test coverage.
- Gov: Simplify certifier-update voting path.
- Bounty: Enforce OpenMath proof submission restrictions; enrich event metadata for better indexer visibility.