Skip to main content

· One min read
Jean-Philippe Raynaud

High level overview​

This week, some members of the Mithril team attended a workshop on the Cardano node diversity in Paris.

They continued adapting the infrastructure to support the aggregator’s prototype ‘follower’ mode and focused on signing ancillary files in the Cardano database snapshots with an IOG key. They also completed the implementation for recording the origin of requests made to the aggregator API.

Finally, the team continued refactoring the STM cryptographic library to improve clarity and maintainability and started implementing a proof of concept for the Mithril/ALBA aggregation proof system.

Low level overview​

  • Worked on the issue Sign ancillary files with IOG key #2362
  • Worked on the issue Adapt infrastructure for multiple aggregators with leader/follower signer registration #2391
  • Worked on the issue Re-organize STM library structure #2369
  • Worked on the issue Mithril/ALBA aggregation proof system PoC #2403
  • Worked on the issue Rollout Cardano Database v2 feature #2409
  • Worked on the issue DMQ signature diffusion prototype #2402

· 2 min read
Damian Nadales

High level summary​

  • Well-Typed has presented the penultimate milestone for the lsm-tree library. Table unions are now fully supported, tests include IO-error injection, and compatibility across Linux, Windows, and macOS has been demonstrated.
    • The next milestone will finalize the library's development, enabling its integration as a persistent backend for storing ledger state.
  • Several Consensus team members attended the Peras workshop. There is a brief presentation that can be accessed by following this link (password is GDdL*6M%). A design and implementation plan has been drafted. The next steps for Peras involve a decision by relevant stakeholders (Intersect Technical Steering Committee, involving SPOs and users) regarding the tradeoffs inherent to the protocol, such as additional operational costs, rewards and protocol parameterization regarding settlement times.
  • We held our technical working group meeting (recording), where we discussed:
    • The possibility of incorporating batch VRF support into ouroboros-consensus.
    • CDDL definition for Consensus: draft PR and next steps.
    • Should we support for NTC for older eras? (#1429).
  • Exposed a function that asks Consensus for the versions in which a particular query is supported, offloading this logic from cardano-api (#1437).
  • Exposed Byron cddls to be used from Consensus (#4965).
  • Added QueryStakePoolDefaultVote for 10.3 ([#1434](https://github.com/IntersectMBO/ouroboros-consensus/pull/1434 release consensus for node 10.3)).

· One min read
Noon van der Silk

High-level summary​

The team has been working hard on some bugfixes and investigations, as well as a new feature that can be used to "un-stuck" a Hydra head: side-loading snapshots. We're working on some documentation of this feature, and in the coming weeks we will merge several bugfixes, and an implementation of the "Withdraw 0" trick, which will turn out to be very convenient for those wishing to use custom plutus operations on the L2 ledger but still retain the ability to fanout.

What did the team achieve?​

  • New --advertise option to bind to public IPs #1874
  • New feature: Side-loading of a snapshot #1858
  • Mirror node investigation #1859
  • Bugfix for memmory reduction #1917

What's next?​

  • Documentation for the side-loading snapshot feature #1912
  • Tighten security options of the networking layer #1867
  • Publishing scripts with blockfrost #1668
  • Withdraw 0 trick in L2 ledger #1795
  • Various bugfixes #1916, #1924, #1913, #1915
  • More work on Blockfrost and continued support of Hydra users

· One min read
Jean-Philippe Raynaud

High level overview​

This week, the Mithril team released the 2513.0 distribution, which supports Cardano node v.10.2.1 and includes various bug fixes and improvements.

They continued adapting the infrastructure to support the aggregator’s prototype ‘follower’ mode and focused on signing ancillary files in the Cardano database snapshots with an IOG key. They also worked on recording the origin of requests made to the aggregator API.

Finally, the team updated the CIP-0137 mini-protocols and implementation plan and kept refactoring the STM cryptographic library for improved clarity and maintainability.

Low level overview​

  • Released the new distribution 2513.0
  • Published a dev blog post about the Distribution 2513 availability
  • Updated the CIP-0137 mini-protocols
  • Completed the issue Release 2513 distribution #2332
  • Worked on the issue Sign ancillary files with IOG key #2362
  • Worked on the issue Record origin of client requests in metrics #2382
  • Worked on the issue Adapt infrastructure for multiple aggregators with leader/follower signer registration #2391
  • Worked on the issue Re-organize STM library structure #2369

· One min read
Marcin Szamotulski

Overview of sprint 84​

High-level overview​

Mithril Development​

We continued to cooperate with the Mithril team. There's a [pull request][PR#7] to update the CIP-0137. We wrote Decentralized Message Queue (DMQ) Implementation Overview.

Tx-Submission​

We continued working on tx-submission. We have an experimental branch based on the comming cardano-node-10.3 release which we deployed on mainnet.

Peras Workshop​

Neil Davis PNSol and Marcin Szamotulski participated in a Peras Workshop organised by Tweag in their Paris office.

Performance Improvements​

  • Karl Kntusson's mux performance PR was merged.
  • Marcin Wójtowicz opened a PR with inbound governor performance improvements.

Pull requests​

In review​

Work in Progress​

Merged​