0.6 - Obol

Changelog

Features

• Extend prover_server configuration to the client

  • PR: #293
  • Issue: #292

• Full support for BLS12-377

  • PRs: #298, #297

• Client and smart contracts refator to improve configuration management and abstract curve operations

  • PR: #302

• More generic MiMC operations (templatized gadgets and configuration):

  • PRs: #309, #323

Security fixes

None

Optimizations

• Improved object encodings:

  • PR: #283

• More compact encoding of smart-contract arguments

  • PR: #288

• Negate B attribute of Groth16 arguments for simpler and more efficient SNARK verification on-chain

  • PR: #287

Code quality

• Solidity coding standards and switch from solium to solhint linter

  • PRs: #318, #333

• Improved type management in the client

  • PR: #289

Testing

• Enable tests on all supported curves
  • PR: #327

Tooling

• Support for ganache-cli to enable BW6-761 and BLS12-377 precompiled contracts
  • PR: #280

Build and CI

• Enable docker images build and push to DockerHub via Github Actions

  • PR: #313
  • Issue: #278, #258

• Split (and enhancement) of the CI workflows

  • PRs: #284, #330
  • Issue: #320

• Enable code scanning on the CI:

  • PRs: #319, #322, #336
  • Issue: #304

Documentation

• Extend contribution guide

  • PR: #317

• Adoption of NatSpec documentation comments for solidity code

  • PR: #321
  • Issue: #192