High-level summary​

This month we continued our work on incremental commits and blockfrost. We spent a bit of time conducting some experiments in ways to potentially improve our CI build times, and completed an encouraging spike around using Raft (via etcd) for our networking layer, among some other minor cleanups and version bumps. Up next We will continue on with incremental commits and blockfrost, as well as some items coming out of the Doom work, to improve our memory efficiency, and finally we will aim to move to PlutusV3!

What did the team achieve?​

• Investigated CI improvements #1647, #1615
• Updated networking documentation to reflect assumptions and present state #1649
• Good progress on incremental commits #1522
• Good progress on blockfrost integration in the Hydra node #1631
• Update to use cardano-node 9.2.0 #1651
• Investigated Raft for networking #1591
• Grooming work on the partial fanout feature #1468

What's next?​

• Continued work on incremental commit #199
• Continued work on Blockfrost integration #1305
• Improvements to memory usage #1618
• Work towards moving to PlutusV3 #1665
• CBOR datum on transaction outputs #1543

High level summary​

Over the past two weeks, we worked on establishing a first baseline for the Consensus QTA (#1256). This work is also helping inform discussions with the Networking team about sync performance goals in general and for specific improvements, such as Genesis.

UTXO-HD was rebased atop main and the tests are passing.

Finally, the team has also worked to improve the Consensus layer's robustness and security.

High level overview​

The Mithril team continued working on decentralizing the signature orchestration of the Mithril network. They completed the development of a mechanism to support specific configurations for signing Cardano transactions and kept implementing the autonomous computation of the messages to be signed by the signer. They also activated the certification of the Cardano transactions on the release-mainnet network.

Finally, they started creating a new Mithril era and prepared to upgrade to Cardano node version 9.2.1.

Low level overview​

• Updated a dev blog post about the Certification of Cardano transactions
• Completed the issue Aggregator advertises constant signing configurations for an epoch #1924
• Completed the issue Breaking change in crane fails Hydra CI #1928
• Completed the issue Discrepancy of protocol parameters in epoch settings and pending certificates routes #1963
• Worked on the issue Signer computes what to sign on its own #1925
• Worked on the issue Aggregator uses stored signing configurations when creating signed entity type #1961
• Worked on the issue Prepare new Pythagoras Mithril era #1946
• Worked on the issue Upgrade to Cardano 9.2.1 #1968

2024-09-18T00:00:00Z - 2024-10-02T00:00:00Z

High level summary​

• We continue to remove irrelevant eras from cardano-cli with an aim to simplify the Haskell code and the interface exposed to the user.
• During a working group meeting a user pointed out the possibility to specify an incorrect anchor data hash. This has been largely rectified in cardano-cli but there is some more work to be done particularly in the transaction build command.
• We added the possibility to specify supplemental datums and other minor improvements in this sprint.

cardano-cli​

• Add a test of create-cardano
• Add anchor data hash checks to remaining governance action commands
• Add hash validation and support for HTTP(S) and IPFS to command hash anchor-data
• Add proposal hash check when creating info governance action
• create-testnet-data: take optional node configuration file as input and check/add genesis hashes and paths
• Remove era|legacy transaction view
• Remove eras older than Babbage support in transaction build and transaction build-estimate
• Remove legacy commands
• Update create-treasury-withdrawal

cardano-api​

• 638-Allow next leadership-schedule at 4k/f
• Add new field 'inlineDatumRaw' to TxOut ToJSON instance
• Introduce supplementary datums
• Make IsXXXBasedEra a class hierarchy

cardano-node​

• cardano-node 9.2.0 release
• cardano-tracer: Allow switching EKG service between different nodes.
• cardano-tracer: OpenMetrics compliance for Prometheus; fix forHuman output in journald

cardano-testnet​

• cardano-testnet: Code sharing in Defaults.hs
• cardano-testnet: rename ShelleyTestnetOptions into GenesisOptions

docs​

CI & project maintenance​

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​

• We improved the check-stylish.sh script: ouroboros-network#4963.
• We refactored the ouroboros-network.cabal file: ouroboros-network#4964.
• We refactored the nix configuration: ouroboros-network#4968, which is continued in ouroboros-network#4969.
• We wrote a patch to fix the nightly build: ouroboros-network#4970.