Skip to main content

· 2 min read
Jean-Philippe Raynaud

High level overview​

This week, the Mithril team delivered support for Cardano node v.10.4.1 and UTXO-HD in the aggregator, signer, and client.

They completed the implementation of the local message submission and local message notification node-to-client mini-protocols in the Pallas library for the DMQ node. They also continued extending the aggregator metrics to record the usage of different client types. Additionally, they worked on stabilizing the Cardano DB v2 client commands in the CLI and API in the library, ensuring readiness for production use.

Finally, the team began switching the protocol message encoding to binary and continued refactoring the STM cryptographic library.

Low level overview​

  • Completed the issue Implement the n2c Local Message Submission mini-protocol in Pallas #2515
  • Completed the issue Implement the n2c Local Message Notification mini-protocol in Pallas #2516
  • Completed the issue Upgrade to Cardano 10.4 #2487
  • Worked on the issue Add a Mithril client CLI command for UTxO-HD ledger state snapshot conversion #2492
  • Worked on the issue Record usage of client type in metrics #2494
  • Worked on the issue Stabilize Cardano DB v2 client CLI/library #2493
  • Worked on the issue Release 2523 distribution #2488
  • Worked on the issue Switch messages encoding to binary hex #2536
  • Worked on the issue Re-organize STM library structure #2369

· 2 min read
Noon van der Silk

High-level summary​

We are excited to be making great progress towards a "light-weight" Hydra node by finishing the Blockfrost chain-following integration. We have also made great progress on our fixes around deposits. We have made some other small UX improvements and continue focusing in that area, as well as continuing our focus of supporting the Midnight Glacier Drop. We will largely continue on as we have been; making UX improvements and finishing the final bits and pieces for the deposit checks.

What did the team achieve?​

  • Implemented a full Blockfrost chain layer! #1305
  • Finished new deposit check #1951
  • Updated the hydra-explore to track 0.21 #45
  • PostTx error includes the failing transaction #2004
  • Almost finished event-log rotation #1581
  • Working on a simple endpoint to check head status #1957
  • Progress on simplifying UX around hydra scripts #1441
  • Progress on a way to query the head status #1957
  • Continued to support the Midnight Glacier Drop

What's next?​

  • Final piece on deposit logic checks #1978
  • Finish event-log rotation #1581
  • Simplify finding the hydra scripts #1441
  • Better UX around etcd errors #2026, #1937
  • Finish query for head status #1957
  • Continue to focus on supporting the glacier drop

· 2 min read
Marcin Szamotulski

Overview of sprints 86, 87 and 88​

CIP#155​

We authored CIP#155 entitled SRV Registry. This CIP sets up rules for how decentralised protocols, like Cardano, Mithril, and Hydra, can utilise SRV records. If you're an SPO or a contributor to a decentralised protocol which relies on ledger peers, it will be interesting for you.

We recently started working on making the ouroboros-network to be compliant with the proposed CIP#155.

cardano-diffusion​

We added the ouroboros-network:cardano-diffusion sublibrary, which contains Cardano specific instantiation of ouroboros-network diffusion. This is part of the effort to make ouroboros-network a multipurpose library. See PR#5082.

Mux changes​

We made the egress poll configurable; see PR#5113. This option will be available in cardano-node-10.5 as EgressPollInterval.

Documentation improvements​

We reviewed and improved network specification; see PR#5122. The changes include:

  • timeouts & limits documentation improvements
  • ingress buffer size limits
  • documented format of Windows named pipes
  • tx-submission mini-protocol direction explained
  • added links to codec's haddocks
  • explained how nodes behind NATs can contribute to the network
  • various other improvements

Releases​

We released ouroboros-network-0.21 and ouroboros-network-0.21.1.

We are also pleased to announce that we released typed-protocols-0.1.0.0 on Hackage, as well as io-classes-1.8.0.0

Pull requests​

Merged​

sprint-86​
sprint-87​
  • [Make egress poll interval configurable][PR5113]
sprint-88​

Under review​

· One min read
Damian Nadales

High level summary​

  • Onboarded onto the Leios simulator and joined working sessions to provide feedback and ask questions to the research team.
  • Fixed two bugs in the V2 LedgerDB in preparation for LSM tree integration (#1515, #1516).
  • Fixed bugs in db-analyser --store-ledger (#1512).
  • Fixed Ledger CDDL specifications (#5079, #5073, #5066, #5057) as a result of our work on providing CDDLs for Consensus.
  • Started integration work in preparation for the lsm-tree backing, as detailed in #1526.

· 2 min read
Jean-Philippe Raynaud

High level overview​

This week, the Mithril team focused on supporting Cardano node v.10.4.1 and UTXO-HD in the aggregator, signer, and client.

They continued working on the DMQ node implementation, advancing the implementation of the local message submission and local message notification node-to-client mini-protocols in the Pallas library. They also worked on extending the aggregator metrics to record the usage of different client types.

Finally, they fixed a bug in the Cardano DB v2 snapshot that prevented full restoration and continued refactoring the STM cryptographic library.

Low level overview​

  • Completed the issue Adapt ledger state snapshot artifact creation in Cardano database certification #2497
  • Completed the issue Cleanup unexpected immutable files in archive in client #2429
  • Completed the issue Add support for ancillary verification key in config files of client CLI #2491
  • Completed the issue Add ancillary verification key in client-cli config files #2511
  • Completed the issue Cardano DB v2 restoration is missing 00000 immutables #2519
  • Completed the issue Signer fails to access Cardano node after it has rebooted #2426
  • Worked on the issue Record usage of client type in metrics #2494
  • Worked on the issue Stabilize Cardano DB v2 client CLI/library #2493
  • Worked on the issue Implement the n2c Local Message Submission mini-protocol in Pallas #2515
  • Worked on the issue Implement the n2c Local Message Notification mini-protocol in Pallas #2516
  • Worked on the issue Add a Mithril client CLI command for UTxO-HD ledger state snapshot conversion #2492
  • Worked on the issue Upgrade to Cardano 10.4 #2487
  • Worked on the issue Re-organize STM library structure #2369