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Abstract

Aries-VCX is a collection of Rust crates which provide APIs for stepping through Hyperledger Aries Protocols. Previously, Aries-vcx has provided it's functionality to mobile (android and ios) consumers via a wrapper layer known as libvcx. Libvcx wraps over aries_vcx functionality and creates C-callable FFI bindings, and provides Java and Objective-C bindings for calling those bindings from mobile ecosystems. Overtime, manually maintain libvcx has become quite a chore, and does not leverage new FFI tech which is now available. The goal of this mentorship project, is to create new mobile bindings using the UniFFI tool, which from initial prototyping has shown a lot promise.

Mentor and Mentees

Mentors

Patrik Stas, Discord: Patrik Stas#7722, Absa Group
Bogdan Mircea, Discord: bobozaur#5997, Absa Group
Miroslav Kovar, Discord: mirgee#3763, Absa Group
George Mulhearn, Discord: gmulhearn#0356

Mentee

Swapnil Tripathi, Discord: swaptr, Github: https://github.com/swaptr

...

  •  Create Android binary + bindings compilation scripts for the existing UniFFI prototype in aries-vcx: https://github.com/hyperledger/aries-vcx/tree/main/uniffi_aries_vcx
  •  Bootstrap sample android demo application, which consumes the existing prototype's bindings and binaries
  •  Create bindings for all Connection  APIs and update sample app accordingly
  •  Create bindings for all Holder  APIs and update sample app accordingly
  •  Update existing prototype to use newer aries_vcx functionality (switch from vdrtools profile to modular_libs profile)

...

  •  Connection APIs wrapped in UniFFI
  •  Sample app updated to demonstrate Connection APIs

Eval 3:

  •  Holder APIs wrapped in UniFFI
  •   

Eval 4:

  •  Migrate to modular libs stack (credx, indy-vdr)
  •  Sample app updated to support Holder flow (receive a credential)

...

DatesTasks/Plan

Status

Jun 12 - Jun 26

Mentee intro with the mentor.

On-boarding:

  •  understand aries vcx project/s
  •  Get aries-vcx integration tests working to confirm development environment
  •  plan out the scope and tasks for the UniFFI project
  •  complete UniFFI tutorials
  •  build rust sample project for Android architectures
✅
Jun 27 - Jul 10
  •  Manually build the existing uniffi_aries_vcx project for android
  •  Create a convenience script for compiling uniffi_aries_vcx project for android
  •  Expand the script to generate UniFFI bindings for uniffi_aries_vcx
✅

Jul 11 - Jul 24

  •  Bootstrap android sample app which consumes bindings generated by script mentioned above - demonstrate app to mentors (e.g. a simple button that calls into an existing uniffi method).
  •  update uniffi_aries_vcx to use modular-libs instead of vdrtools
    •  Not an appropriate time for this
✅
Jul 25 - Aug 7 (Jul 28 eval)
  •  Complete Connection  API uniffi bindings
  •  Update sample app to create profile
✅
Aug 8 - Aug 21
  •  Update sample app to scan invitation
  •   
✅

Aug 22 - Sep 4 (Sept 1 eval)

  •  Update sample app to send request
✅
Sep 5 - Sep 18✅
Sep 19 - Oct 2
  •  Work on Holder API bindings
✅
Oct 3 - Oct 16 (Oct 13 eval)
  •  complete Holder API bindings
  •  start/plan work on sample app holder flow (receive a cred)
✅
Oct 16 - Oct 30
✅
Oct 31 - Nov 6
Nov 7 - Nov 30 (Nov 30 eval)
  •  Consider bonus deliverables mentioned above

...