RLN: Post-Testnet3 Improvements

[richard-ramos]

Planned start date:
Due date:

Summary

go-waku's RLN feature has fallen behind compared to nwaku. Code equivalent to the following PRs from nwaku must be implemented for go-waku's to be up to date with RLN functionality and also allowing it to be used with the simulation tools

• feat(rln-relay): use new atomic_operation ffi api nwaku#1733
• feat(rln-relay): pass in index to keystore credentials nwaku#1777
• feat(rln-relay): resume onchain sync from persisted tree db nwaku#1805
• chore(rln-relay): bump zerokit nwaku#1838
• chore(rln-relay): Verify proofs based on bandwidth usage nwaku#1844

Acceptance Criteria

• Feature parity
• Interop is achieved between nwaku and go-waku with messages going back and forth between chat2 clients
  • go-waku chat2 -> go-waku relay node -> nwaku chat2
  • go-waku chat2 -> nwaku relay node -> go-waku chat2
  • ensure credentials generated in nwaku work in go-waku and viceversa

Tasks

RAID (Risks, Assumptions, Issues and Dependencies)

[richard-ramos]

nwaku#1777 implemented in #615

[richard-ramos]

nwaku#1838 implemented in #612

[richard-ramos]

nwaku#1844 implemented in #616

[fryorcraken]

@rymnc are all the functionality listed the one you delivered for testnet 3? I wonder if we can scope this issue to reach testnet 3 feature equivalence.

[rymnc]

Yes, and the following are the issues sorted from the retrospective post-testnet 3

vacp2p/research#179 (comment)

[richard-ramos]

nwaku#1733 implemented in #617

[richard-ramos]

Weekly Update

• achieved: use zerokit batch insert/delete for members, exposed function to retrieve data from merkle tree, modified zerokit and go-zerokit-rln to pass merkle tree persistance configuration settings
• next: resume onchain sync from persisted tree db

[richard-ramos]

Weekly Update

• achieved: exposed merkle tree configuration, removed embedded resources from go-zerokit-rln, fixed nwaku / go-waku rlnKeystore compatibility, added merkle tree persistence and modified zerokit to print to stderr any error obtained while executing functions via FFI.
• next: interop with nwaku

[richard-ramos]

Weekly Update

• achieved: interop with nwaku.