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· 2 min read
Marcin Szamotulski

Overview of sprint 74​

Dropping NonP2P network stack​

We are advertising that we will drop the non-p2p network stack. This will happen after the next hard fork. Please comment on the PR if this will be problematic for you. Here's the PR: ouroboros-network#5007.

Node-to-Client versions​

We dropped node-to-client versions earlier than version 16, ouroboros-network#5002.

Mithril Design​

We completed review how to adopt ouroboros-network for Mithril design. We started to experiment with ouroboros-network in that direction.

Next Cardano-Node release​

The next cardano-node release will include the following changes from the networking team:

Typed-Protocols​

The integration of ouroboros-network-0.18, which is using the new typed-protocols-0.3 with ouroboros-consensus, was merged, ouroboros-consensus#1223. Integration with cardano-cli and cardano-api was rebased and handed to the release engineer. Integration with ekg-forward was merged: ekg-forward#35.

Genesis​

The following changes to support Genesis (both creating big ledger peer snapshots & providing them in a topology file)

Connection Manager​

We merged the documentation review of the connection manager, ouroboros-network#5001. We also renamed connection manager methods (as suggested by Neil Davies ([PNSOL])): ouroboros-network#5000.

Outbound Governor​

We started to experiment with using FRP to implement the outbound governor in a way that is both easier to maintain and reason about.

· One min read
Marcin Szamotulski

Overview of sprint 73​

Ouroboros-Network-0.18 release​

We released ouroboros-network-0.18. The main features are:

  • integration with typed-protocols-0.3
  • cardano-client library doesn't depend on the non-p2p stack
  • We expose connectToWithMux family of function in ouroboros-network which give access to the underlying Mux handle.
  • Added NodeToClientV_19: to support new GetLedgerPeerSnapshot query in local-state-query mini-protocol ouroboros-consensus#1067.

See full the list of PRs included in this release. ouroboros-network-0.18 was integrated with ouroboros-consensus (ouroboros-consensus#1223)

Tx-Submission​

We continued working on tx-submission monitoring its performance.

Ouroboros-Network - Mithril Design​

We had an internal discussion how to support the Mithril design. In near future we will be able to socialise the report we've been working on.

Code Refactoring​

We reorganised some of our substysems to use qualified imports with simplified names:

We also removed deprecated APIs in [ouroboros-network#4998]

· One min read
Marcin Szamotulski

Overview of [sprint 73][sprint-73]​

Ouroboros-Network-0.18 release​

We released ouroboros-network-0.18. The main features are:

  • integration with typed-protocols-0.3
  • cardano-client library doesn't depend on the non-p2p stack
  • We expose connectToWithMux family of functions in ouroboros-network which give access to the underlying [Mux handle][mux-handle].
  • Added NodeToClientV_19: to support the new GetLedgerPeerSnapshot query in local-state-query mini-protocol [ouroboros-consensus#1067].

See full [the list of PRs][ouroboros-network-0.18] included in this release. ouroboros-network-0.18 was integrated with ouroboros-consensus ([ouroboros-consensus#1223])

Tx-Submission​

We continued working on tx-submission and monitoring its performance.

Ouroboros-Network - Mithril Design​

We internally discussed how to support the [Mithril design][cip#137]. In In the near future, we will be able to socialise the report we've been working on.

Code Refactoring​

We reorganised some of our substysems to use qualified imports with simplified names:

  • [ouroboros-network#4990] (connection-manager, inbound-governor)
  • [ouroboros-network#4997] (network-mux)

We also removed deprecated APIs in [ouroboros-network#4998]sim#182]

· One min read
Marcin Szamotulski

Overview of sprint 71​

Security Policy​

According to IntersectMBOs Open-Source Committee guidance, we updated our security policy.

Tx-Submission​

We have been working on the integration of the new tx-submission inbound side with cardano-node.

New Typed-Protocols API​

We published typed-protocols-0.3.0.0 to CHaP. It includes changes to the typed-protocols-stateful API. The added changes allow us to simplify LocalStateQuery mini-protocol, particularly the MsgResult doesn't include the request type (e.g. query result). It is provided to the codec using the associated local state mechanism instead. See typed-protocols#61, chap#911.

The integration of typed-protocols-0.3.0.0 with ouroboros-network was merged to the master branch, see ouroboros-network#4935.

The integration of this work stream with cardano-node is tracked on ouroboros-network#4936.

cardano-node-9.3​

We started working on cardano-node-9.3 release.

CI​

· 2 min read
Marcin Szamotulski

High-level overview of sprint 70​

Cardano CLI​

cardano-cli ping command cannot send pings over unix sockets using node-to-client mini-protocol (since it doesn't support it). In that case, the command will now show a user-friendly error message. See cardano-cli#49.

Mithril​

We held a session with the mithril team to discuss design & implementation of Mithril using ouroboros-network.

Ouroboros-Network​

TxSubmission Logic​

We continued working on tx-submission logic. We developed new tests that run several simulated outbound peers offering transactions and a single inbound peer governed by the new tx-submission logic. Ref ouroboros-network#3311.

The next step is to clean the branch and integrate it with ouroboros-consensensus & cardano-node for early e2e tests.

Bulk-Sync for Genesis​

We reviewed the new bulk-sync application for Genesis mode, see ouroboros-network#4919.

Typed-Protocols​

We reviewed the new typed-protocols API PR. It was recently merged & published to CHaP. Once Haskell.Nix has better support for public sub-libraries, we will package all the libraries in one package and publish it on Hackage. Ref: typed-protocols#52.

The next step is to update, review the integration PR in ouroboros-network, see ouroboros-network#4935.

Nightly Tests​

We fixed a long-due failure on a nightly test. The failure was due to IOSimPOR ability to reorder simulated IO actions, resulting in a wrong order of events. So, it's not a bug in the production code but in the test itself. See ouroboros-network#4948.

Updated readme file​

We updated the dependency graph in our README.md file.

Next Sprint​

sprint-71