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Mithril Team Update

· 3 min read
Jean-Philippe Raynaud
Jean-Philippe Raynaud
Mithril Tech Lead

High level overview​

This week, the Mithril team completed caching of circuit keys for the SNARK circuit in the STM library and removed the helpers module for the SNARK recursive circuit. They continued work on the type consistency and naming alignment refactoring of the SNARK recursive circuit, the prover input of the recursive SNARK aggregation primitives, and the implementation of the SNARK-friendly genesis certificate.

The team also completed enhancements to support the genesis verification key in the explorer. They continued work on shipping the Mithril signer node binary in the Cardano node bundle, enforcing the DMQ message ID format, prototyping the Cardano node ledger state certification, and removing Mithril node support in mithril-devnet.

Finally, the team worked on optimizing the end-to-end tests for SNARK and fixing flakiness in the CI.

Low level overview​

Features​

  • Completed the issue Circuit keys caching for SNARK circuit in STM #3043
  • Completed the issue Refactor SNARK recursive circuit - Remove helpers module #3132
  • Worked on the issue Refactor SNARK recursive circuit - Type consistency #3128
  • Worked on the issue Refactor SNARK recursive circuit - Naming alignment #3130
  • Worked on the issue Recursive SNARK aggregation primitives: Prepare prover input #3138
  • Worked on the issue Implement SNARK-friendly genesis certificate #3145
  • Worked on the issue Prototype Cardano node ledger state certification #3269

Protocol maintenance​

  • Completed the issue Enhance support of genesis verification key in explorer #3270
  • Worked on the issue Ship Mithril signer node binary in Cardano node bundle in GitHub #3011
  • Worked on the issue Optimize e2e tests for SNARK #3151
  • Worked on the issue Enforcement of DMQ message id format #3251
  • Worked on the issue fails_with_empty_signatures flakes in CI due to concurrent SRS temp file collision #3292
  • Worked on the issue Remove Mithril nodes support in mithril-devnet #3295
  • Worked on the issue Update DMQ node to 0.5.0.0 #3302

Mithril Team Update

· 3 min read
Jean-Philippe Raynaud
Jean-Philippe Raynaud
Mithril Tech Lead

High level overview​

This week, the Mithril team completed the analysis of the impact of the recursive SNARK on the security of the Mithril protocol, implemented benchmarks for the non-recursive SNARK, and refactored the error handling of the SNARK recursive circuit. They continued work on circuit key caching for the SNARK circuit in the STM library, the removal of the helpers module for the SNARK recursive circuit, the prover input for the recursive SNARK aggregation primitives, and the implementation of the SNARK-friendly genesis certificate.

They also enhanced the synchronization of immutable files in the Cardano database, implemented robust support for unknown and in-progress signed entity types, removed the Cardano database v1 backend, and continued working on the prototype for Cardano node ledger state certification. Additionally, they enforced the DMQ message ID format and enhanced the support of the genesis verification key in the explorer.

Finally, the team completed the update of the protocol security page on the website and continued work on shipping the Mithril signer node binary in the Cardano node bundle.

Low level overview​

Features​

  • Completed the issue Refactor SNARK recursive circuit - Error handling #3127
  • Completed the issue Impact of recursive SNARK on Mithril protocol security #3133
  • Completed the issue Implement benchmarks for non recursive SNARK #3154
  • Completed the issue Enhance synchronization of immutable files of Cardano database #3243
  • Completed the issue Add non-recursive certificate circuit benchmarks #3274
  • Worked on the issue Circuit keys caching for SNARK circuit in STM #3043
  • Worked on the issue Refactor SNARK recursive circuit - Remove helpers module #3132
  • Worked on the issue Recursive SNARK aggregation primitives: Prepare prover input #3138
  • Worked on the issue Implement SNARK-friendly genesis certificate #3145
  • Worked on the issue Prototype Cardano node ledger state certification #3269
  • Worked on the issue Enhance support of genesis verification key in explorer #3270

Protocol maintenance​

  • Completed the issue Enhance protocol security page on website #2703
  • Completed the issue Robust support for unknown and in progress signed entity types #3172
  • Completed the issue Remove Cardano database v1 backend #3268
  • Worked on the issue Ship Mithril signer node binary in Cardano node bundle in GitHub #3011
  • Worked on the issue Enforcement of DMQ message id format #3251

Mithril Team Update

· 3 min read
Jean-Philippe Raynaud
Jean-Philippe Raynaud
Mithril Tech Lead

High level overview​

This week, the Mithril team completed the refactoring of the recursive circuit, the preparation of the prover input implementation in the STM library, the off-circuit verification tests for the recursive SNARK circuit prototype, and the replacement of the temporary certificate circuit with the STM circuit. They also continued work on circuit key caching for the SNARK circuit in the STM library, the recursive SNARK aggregation primitives prover input, the preparation of the SNARK-friendly genesis certificate implementation, and the non-recursive certificate circuit benchmarks.

The team continued work on shipping the Mithril signer node binary in the Cardano node bundle, robust support for unknown and in-progress signed entity types, enforcement of the DMQ message ID format, and enhancements to immutable file synchronization for the Cardano database.

Finally, the team completed enforcement of Mithril crate versions in downstream Mithril crates and enhanced the protocol security page on the website.

Low level overview​

Features​

  • Completed the issue Prepare the refactoring of the recursive circuit #3126
  • Completed the issue Prepare implementation of the prover input in STM #3137
  • Completed the issue Add off-circuit verification tests for recursive SNARK circuit prototype #3193
  • Completed the issue Replace temporary certificate circuit with STM circuit #3195
  • Worked on the issue Circuit keys caching for SNARK circuit in STM #3043
  • Worked on the issue Recursive SNARK aggregation primitives: Prepare prover input #3138
  • Worked on the issue Implement SNARK-friendly genesis certificate #3145
  • Worked on the issue Prepare SNARK-friendly genesis certificate implementation #3262
  • Worked on the issue Add non-recursive certificate circuit benchmarks #3274

Protocol maintenance​

  • Completed the issue Enforce Mithril crates versions in downstream Mithril crates #3245
  • Worked on the issue Ship Mithril signer node binary in Cardano node bundle in GitHub #3011
  • Worked on the issue Enhance synchronization of immutable files of Cardano database #3243
  • Worked on the issue Enforcement of DMQ message id format #3251
  • Worked on the issue Enhance protocol security page on website #2703
  • Worked on the issue Robust support for unknown and in progress signed entity types #3172

Mithril Team Update

· 3 min read
Jean-Philippe Raynaud
Jean-Philippe Raynaud
Mithril Tech Lead

High level overview​

This week, the Mithril team completed the trusted setup validation for the SNARK circuit in the STM library, the implementation of standard Schnorr signatures in the STM library, the implementation of the SNARK-friendly protocol message, the in-circuit and off-circuit verification tests for the recursive SNARK circuit prototype, the preparation of the recursive circuit refactoring, and the preparation of the prover input implementation in the STM library.

The team also prepared the ledger state certification proof of concept and continued work on enforcing the DMQ message ID format.

Finally, they completed the upgrade to Cardano node v.11.0, the update of all GitHub runners to Ubuntu 24.04, and continued work on robust support for unknown and in-progress signed entity types.

Low level overview​

Features​

  • Completed the issue Trusted setup validation for SNARK circuit in STM #2944
  • Completed the issue Implement support for Schnorr signatures in STM #3136
  • Completed the issue Implement SNARK-friendly protocol message #3146
  • Completed the issue Add in-circuit verification tests for recursive SNARK circuit prototype #3192
  • Completed the issue Prepare Ledger State certification PoC #3242
  • Worked on the issue Prepare the refactoring of the recursive circuit #3126
  • Worked on the issue Prepare implementation of the prover input in STM #3137
  • Worked on the issue Add off-circuit verification tests for recursive SNARK circuit prototype #3193
  • Worked on the issue Enforcement of DMQ message id format #3251

Protocol maintenance​

  • Completed the issue Upgrade to Cardano 11.0 #3257
  • Completed the issue Update all GitHub runners to Ubuntu 24.04 #3246
  • Completed the issue Rust doc.rs built targets breaking-change #3212
  • Worked on the issue Robust support for unknown and in progress signed entity types #3172
  • Worked on the issue Enforce Mithril crates versions in downstream Mithril crates #3245

Mithril Team Update

· 3 min read
Jean-Philippe Raynaud
Jean-Philippe Raynaud
Mithril Tech Lead

High level overview​

This week, the Mithril team completed the data encoding and state transition tests for the recursive SNARK circuit prototype, as well as the detection of SNARK circuit modifications in the STM library. They continued work on implementing a SNARK-friendly protocol message, the trusted setup validation for the SNARK circuit in the STM library, the implementation of Schnorr signatures in the STM library, and the in-circuit verification tests for the recursive SNARK circuit prototype.

The team also continued work on robust support for unknown and in-progress signed entity types, as well as enforcement of the DMQ message ID format. They completed the ledger state snapshot conversion tests in end-to-end tests and added support for stable and unstable versions of the OpenAPI specification.

Finally, they accelerated SNARK circuit tests in CI, upgraded Node.js 20 GitHub Actions, and fixed flaky nightly tests and circuit golden tests.

Low level overview​

Features​

  • Completed the issue Add data encoding and state transition tests for recursive SNARK circuit prototype #3191
  • Completed the issue Detect SNARK circuit modifications in STM #3216
  • Worked on the issue Implement SNARK-friendly protocol message #3146
  • Worked on the issue Trusted setup validation for SNARK circuit in STM #2944
  • Worked on the issue Implement support for Schnorr signatures in STM #3136
  • Worked on the issue Add in-circuit verification tests for recursive SNARK circuit prototype #3192
  • Worked on the issue Enforcement of DMQ message id format #3251

Protocol maintenance​

  • Completed the issue Accelerate SNARK circuit tests in CI #3162
  • Completed the issue Upgrade Node.js 20 GitHub actions #3173
  • Completed the issue Nightly tests are flaky #3210
  • Completed the issue Test the ledger snapshot conversion in the e2e test #3213
  • Completed the issue Circuit golden tests are flaky in STM #3231
  • Completed the issue Client retrieves an artifact which is not of the expected type #3244
  • Completed the issue Support for stable/unstable versions of Open API #3211
  • Worked on the issue Robust support for unknown and in progress signed entity types #3172
  • Worked on the issue Update all GitHub runners to Ubuntu 24.04 #3246