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Ledger Team Update

· 2 min read
Alexey Kuleshevich

High level summary​

Final changes for the next Hard Fork to protocol version 10.0:

  • Ensure that it is still possible to unregister the reward account and withdraw the funds in the same transaction
  • Fix a bug in recently introduced feature, which ensures DRep existence for all stake credential delegations.

More Conway testing and continued progress on conformance tests.

Low level summary​

Features​

  • pull-4684 - Revert Mismatch-related changes of ShelleyPoolPredFailure serialization
  • pull-4661 - Add GovRemovedVotes event
  • pull-4697 - Minor fixups from internal audit
  • pull-4709 - Fix drep delegation invariant preservation
  • pull-4715 - Adjust semantics of ConwayWdrlNotDelegatedToDRep

Testing​

  • pull-4683 - constrained-generators: Improve some error messages
  • pull-4689 - Set maxTxSize relative to generated tx in Utxo conformance tests
  • pull-4680 - constrained-generators: More tests for append and singleton
  • pull-4665 - Remove the proposals workaround from UTXO conformance, add LEDGER conformance
  • pull-4705 - Implement some of the tests in Alonzo.Imp.UtxowSpec.Valid
  • pull-4707 - Add imp tests for drep delegation
  • pull-4677 - Added example Tx specification

Infrastructure and releasing​

  • pull-4681 - Update CHANGELOG files following release for 10.0
  • pull-4686 - Bump up version in cardano-ledger-shelley changelog
  • pull-4688 - Add nix develop to main README.md
  • pull-4701 - Ensure repo is buildable on Windows
  • pull-4656 - Align with Governance audit
  • pull-4706 - Add changelog section for cardano-node-10.0 and 9.2.1
  • pull-4710 - Cardano ledger conway 1.17.1.0
  • pull-4716 - Release/cardano ledger conway 1.17.2.0