Cardano Updates

- use Reactive Streams semantics for bounded push of block announcements and votes
- remove votes offer & request communication cycles to cut down latency
- remove probably premature optimisation of block / txn request by just listing txn indices
- split LeiosNotify into LeiosAnnounce (for EBs), LeiosVotes, LeiosBlockNotify (for when EB and/or txns are available upstream) to allow independent treatment in the muxer and remove or reduce head-of-line blocking

We might also want to allocate N2N mini-protocol IDs in this CIP because multiple teams are starting to play with this spec and might want to check interoperability.

Signed-off-by: Roland Kuhn <[email protected]>

Move registry wrapping ahead of event bus construction so that
event bus metrics also receive the network label. Previously the
event bus was created with the unwrapped registry.

Signed-off-by: wcatz <[email protected]>

Wrap the prometheus registry with a constant "network" label after
the network magic is resolved. Every metric registered by subsystems
automatically carries network="mainnet" (or preview, preprod, etc.)
with zero changes to individual metric definitions.

If the network was configured by name, that name is used directly.
If only the magic number was provided, the name is resolved via
ouroboros.NetworkByNetworkMagic().

Signed-off-by: wcatz <[email protected]>

Fix serialiseToCBOR to extract raw script bytes from PlutusRunnable
instead of using L.serialize' which adds CBOR framing that
deserialiseFromCBOR does not expect.

Add CBOR and TextEnvelope roundtrip tests for PlutusScriptInEra and
AnyPlutusScript. Add haddocks for the text envelope functions.

Use nonNativeLanguages and withSLanguage to derive textEnvTypes
so new Plutus versions are picked up automatically and GHC
enforces handling in constraint witness functions.

Bumps the pip group with 1 update in the /infrastructure/utils/python/github-helpers directory: [requests](https://github.com/psf/requests).


Updates `requests` from 2.32.4 to 2.33.0
- [Release notes](https://github.com/psf/requests/releases)
- [Changelog](https://github.com/psf/requests/blob/main/HISTORY.md)
- [Commits](https://github.com/psf/requests/compare/v2.32.4...v2.33.0)

---
updated-dependencies:
- dependency-name: requests
  dependency-version: 2.33.0
  dependency-type: direct:production
  dependency-group: pip
...

Signed-off-by: dependabot[bot] <[email protected]>

Bumps [requests](https://github.com/psf/requests) from 2.32.5 to 2.33.0.
- [Release notes](https://github.com/psf/requests/releases)
- [Changelog](https://github.com/psf/requests/blob/main/HISTORY.md)
- [Commits](https://github.com/psf/requests/compare/v2.32.5...v2.33.0)

---
updated-dependencies:
- dependency-name: requests
  dependency-version: 2.33.0
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Signed-off-by: William Hankins <[email protected]>

  singlePartyHeadFullLifeCycle now exercises the deposit (commit) flow
  using timing-derived deposit period instead of a hardcoded value, so the
  deposit activates within the test timeout on both devnet and real networks.

  waitForNodesSynced now waits for the Greetings message before declaring
  the node ready. Greetings is always sent after the full historical event
  replay, making it a reliable separator between replayed and live messages.
  This prevents tests from matching on historical HeadIsOpen or NodeSynced
  events from a previous run's persisted state — which caused the smoke test
  to proceed with a stale headId and then fail with "Head is not open" when
  posting to /commit.

Signed-off-by: Sasha Bogicevic <[email protected]>

Signed-off-by: William Hankins <[email protected]>

Signed-off-by: William Hankins <[email protected]>

* Add ./script/nix-format.sh for non-Nix users.
* Add nixfmt in our Nix pre-commit hook.
* Add Github CI check