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Hydra Team Update

· 2 min read
Sebastian Nagel

High-level summary​

This week, the Hydra team has been working on a new library cardano-api-classy containing type class instances for era witnesses and also switched nix code to use flake-parts. They also further improved the Hydra Head [explorer](http://explorer.hydra.family) UI. The team also improved error reporting on integration tests and refactored the outcome algebra in the hydra-node protocol logic. Finally, they reviewed the incremental decommit specification with researchers. Meanwhile, SundeaLabs already implemented first UDP and Kinesis event sinks based on the EventSource / EventSink refactoring.

What did the team achieve this week​

  • New library cardano-api-classy containing type class instances for era witnesses.
  • Switched the nix code to use flake-parts.
  • Completed another increment on the head explorer UI #1333.
  • Improved error reporting on integration tests #1335.
  • Refactored the outcome algebra in the hydra-node protocol logic #1340.
  • Reviewed incremental decommit specification with researchers.
  • SundaeLabs implemented first UDP and Kinesis event sinks based on #1267.

What are the goals of next week​

  • Prepare #1178 on a branch for users to try out Conway on hydra.
  • Align specification with incremental decommit implementation
  • Improve MTB in terms of new Decommit input
  • Prepare a PR for Kupo using new Hydra transaction format
  • Spike on literate Agda specification pdf