Add Ledger team update for 2024-12-18

blog/2024-12-18-ledger.md

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+---
+title: Ledger Team Update
+slug: 2024-12-18-ledger
+authors: lehins
+tags: [ledger]
+hide_table_of_contents: false
+---
+
+## High level summary
+
+
+## Low level summary
+
+### Features
+
+### Testing
+
+### Infrastructure and releasing
+
+* [pull-4783] - Fixed the certStateSpec
+* [pull-4780] - Fix issues that prevent basic `sumbitTx` from passing conformance
+* [pull-4766] - Use non-zero costmodels in Imp tests
+* [pull-4778] - Huddle for Alonzo
+* [pull-4790] - Add functions to convert hashes to and from `VRFVerKeyHash`
+* [pull-4787] - Use cabal-gild to format cabal files
+* [pull-4793] - Fix bounds on `quichckeck-instances` and `cardano-crypto-class`
+* [pull-4795] - Update haskellNix and CHaP and upgrade ghc-9.8.2 to 9.8.4
+* [pull-4785] - CDDL:babbage: Switch to using Huddle/Cuddle
+* [pull-4792] - Refactor Conway CDDL to reuse Babbage CDDL
+* [pull-4791] - Move the list of predicate failures inside `OpaqueErrorString`
+* [pull-4776] - Create CLI for `plutus-debug`
+* [pull-4699] - Upgrade cardano-base dependency
+* [pull-4788] - Get rid of crypto parametrization
+* [pull-4796] - Made it possible to use Imp logging in the conformance hook
+* [pull-4740] - Constrained generators for `EPOCH` rule
+* [pull-4803] - Add missing version bump in `cardano-ledger-shelley-ma-test`
+* [pull-4805] - Add missing version bump in `cardano-ledger-alonzo-test`
+* [pull-4732] - Tools for constrained generation of types that need witnessing
+
+[pull-4783]: https://github.com/IntersectMBO/cardano-ledger/pull/4783
+[pull-4780]: https://github.com/IntersectMBO/cardano-ledger/pull/4780
+[pull-4766]: https://github.com/IntersectMBO/cardano-ledger/pull/4766
+[pull-4778]: https://github.com/IntersectMBO/cardano-ledger/pull/4778
+[pull-4790]: https://github.com/IntersectMBO/cardano-ledger/pull/4790
+[pull-4787]: https://github.com/IntersectMBO/cardano-ledger/pull/4787
+[pull-4793]: https://github.com/IntersectMBO/cardano-ledger/pull/4793
+[pull-4795]: https://github.com/IntersectMBO/cardano-ledger/pull/4795
+[pull-4785]: https://github.com/IntersectMBO/cardano-ledger/pull/4785
+[pull-4792]: https://github.com/IntersectMBO/cardano-ledger/pull/4792
+[pull-4791]: https://github.com/IntersectMBO/cardano-ledger/pull/4791
+[pull-4776]: https://github.com/IntersectMBO/cardano-ledger/pull/4776
+[pull-4699]: https://github.com/IntersectMBO/cardano-ledger/pull/4699
+[pull-4788]: https://github.com/IntersectMBO/cardano-ledger/pull/4788
+[pull-4796]: https://github.com/IntersectMBO/cardano-ledger/pull/4796
+[pull-4740]: https://github.com/IntersectMBO/cardano-ledger/pull/4740
+[pull-4803]: https://github.com/IntersectMBO/cardano-ledger/pull/4803
+[pull-4805]: https://github.com/IntersectMBO/cardano-ledger/pull/4805
+[pull-4732]: https://github.com/IntersectMBO/cardano-ledger/pull/4732