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· One min read
Jean-Philippe Raynaud

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

· 2 min read
Jordan Millar

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​

cardano-api​

cardano-node​

cardano-testnet​

docs​

CI & project maintenance​

· 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
Alexey Kuleshevich

High level summary​

Aside from more testing and overall quality-of-life improvements on the ledger test suite side, we have implemented a couple of important features that will be enabled after the next intra-era hard fork:

  • Translation of RegTxCert and UnRegTxCert to PlutusV3 scripts context will now be done correctly, which means deposit and refund respectively, will actually be translated.
  • Treasury withdrawals that are empty or sum up to zero will no longer be allowed.

Some performance improvements and a bug fix to a ledger event were also implemented during this period.

Low level summary​

Features​

  • pull-4623 - Change GovInfoEvent's "unclaimed" field from Set to a Map
  • pull-4627 - Fix Conway implementation of RegTxCert and UnRegTxCert
  • pull-4643 - Improve certificate performance
  • pull-4630 - Disallow empty withdrawals
  • pull-4646 - Don't return ZeroTreasuryWithdrawals failure during bootstrap

Testing​

  • pull-4497 - Show coloured tree-diff output in ImpTests
  • pull-4615 - Prevent HSpec from messing with ImpSpec colors
  • pull-4625 - Additional DELEG tests
  • pull-4599 - Move TxInfo golden tests to new package
  • pull-4629 - Add TxInfo golden test for Conway
  • pull-4575 - Ts salvage newtylespecs

Infrastructure and releasing​

· 2 min read
Jean-Philippe Raynaud

High level overview​

This week, the Mithril team released the new distribution 2437.1. This release includes stable support for Cardano transaction certification and stake distribution certification in both the signer and aggregator, a breaking change in the Mithril client WASM related to handling unstable features, along with bug fixes and performance improvements.

The team also continued working on decentralizing the signature orchestration of the Mithril network. They completed the implementation of a buffer store for individual signatures that may arrive before being processed by an aggregator and finished refactoring the signer state machine. They also worked on developing a mechanism to support specific configurations for signing Cardano transactions and focused on the autonomous computation of the messages to be signed by the signer.

Finally, they worked on a refactoring of the service which computes the messages to certify in the signer and aggregator, and fixed the problem preventing the consistent certification of Cardano transactions in the pre-release-preview network.

Low level overview​

  • Released the new distribution 2437.1
  • Published a dev blog post about the Mithril client WASM breaking change in unstable features
  • Completed the issue Release 2437 distribution #1901
  • Completed the issue Cardano transactions certification stopped in pre-release-preview #1938
  • Completed the issue Aggregator buffers signatures for unknown open message #1900
  • Completed the issue Refactor state machine of the signer #1922
  • Completed the issue Retrieve custom signing configurations with epoch settings in signer #1923
  • Completed the issue Refactor signable builder services to compute full protocol message in signer/aggregator #1941
  • Worked on the issue Aggregator advertises constant signing configurations for an epoch #1924
  • Worked on the issue Signer computes what to sign on its own #1925
  • Worked on the issue Breaking change in crane fails Hydra CI #1928