- Newer version of Multi-chain-client library is used (4.0.1) with many updates.
- Updated Attestation protocol adoption (see: https://github.com/flare-foundation/songbird-state-connector-protocol).
- New encoding
- Updated attestation types
- Updated indexers.
- External Doge indexer adoption.
- Eip-1559 compliance for submissions.
- Attestation type definitions were changed (see: https://github.com/flare-foundation/state-connector-attestation-types)
- Verification code made more secure for certain edge cases.
- Attestation client code does not depend anymore on specific code generated from attestation type definitions.
- Newer version of Multi-chain-client library is used (3.0.2) with many updates.
- Deployment management utility scripts added.
- Optimized database storage (compressed).
- Usage of adapted Doge node with improved API responses.
- Adaptive gas price for submissions.
- Configuration and deployment scripts updated.
- Responses of web server and verification servers updated.
- Logging messages updated.
- Improved monitoring code.
- Test coverage improved.