2025-04-14 Waku Weekly

Highlights §

[nwaku]

• Avoid blocking nodes in waku-go-bindings when channels are full
• Standardised camelCase usage in libwaku
• Maintenance on C and C++ examples

[js-waku]

• Improved Encoder/Decoder API with contextual network configuration differentiation

Store Service Upgrade §

• DOS protection for req-res protocols and metrics
  • achieved:
    • [nwaku] Measure impact between protocols
    • [nwaku] Non-relay protocols cross performance measurement metrics
  • next: [nwaku] Update lite-protocol-tester for handling shard argument

End-to-end reliability protocol §

• End-to-end reliability protocol - Status integration
  • achieved: [research] debug attempts for bindings callbacks issue: with single go callback; using refc for memory management instead of orc
  • next: [research] make further progress on status-go side to integrate go-wrapper functions at right places

RLN Mainnet §

• Implement RLN smart contract for paid, multilevel memberships

  • achieved: [research] TWN contract redeployment
  • next: [research] make nwaku work with js-waku-keystore-managment

• Testnet L2 with on-chain tree

  • next: [nwaku] Debugging deprecate sync strategy feat

• RLNv2 Web management interface

  • achieved:
    • [js-waku] incosistent deserialise keystore, matching plain-text keystore data types
    • [js-waku] light CredentialsManager without Zerokit
  • next:
    • [js-waku] deploy to rln.waku.org
    • [js-waku] update nwaku-compose docs

Nwaku in Status Desktop (relay mode) §

• Nwaku in Status Desktop
  • achieved:
    • [nwaku] Use envelope type instead of interface
    • [nwaku] Improve type namings in waku-go-bindings
    • [nwaku] Avoid blocking nodes when channels are full

Incentivise running a Waku infrastructure node §

• Service Incentivisation - Pay for RLN provision PoC
  • achieved: [research] service incentivization POC: introduce eligibilityEnabled feature flag, modify protobuf codec and type definition for LightpushRequest
  • next: [research] modify Lightpush REST API for dogfood-ready POC; figure out how everything should work together end-to-end

Hardening and scaling foundations for private chats §

• Private chat rate limit PoC
  • achieved:
    • [chat] extract the kvstore and add usage doc
    • [chat] change status-desktop to call the api of kvstore

Upgrade Waku for the Web §

• Scalable Data Sync in browser

  • next:
    • [js-waku] create participant state data structures
    • [js-waku] process all messages synchronously

• Browser simulations

  • achieved: [js-waku] settled on preliminary approach
  • next: [js-waku] working on tools for running tests against js-waku running in the browser

Logos Web apps §

• Reliable Qaku & library
  • achieved: [chat] improved qaku storage lib to use one table from every QA

Explore Peer Discovery Gap §

• Mixnet PoC
  • achieved: [research] calculate latency introduced by mix via log analysis, fixed a stream related issue in mix protocol, ran a 20 node simulation with waku-simulator by publishing 10K messages with 2 publisher nodes
  • next: [research] code cleanup , help implement SURB req-reply matching logic in mix protocol

Debugging Tools §

• Status Local Metrics
  • achieved: [chat] fix duplicated waku metric for peer count
  • next: [chat] Review changes in new Qaku UI + continue integration

Messaging API §

• Define Messaging API

  • next: [js-waku] next iteration of reviews on RFC proposal

• Messaging API: js-waku

  • achieved: [js-waku] dogfooding Encoder/Decoder API revamp
  • next:
    • [js-waku] improve messaging types and sharding
    • [js-waku] dogfooding event based Filter SDK

Maintenance H1 2025 §

• achieved:
  • [nwaku] Maintenance to c and c++ simple examples
  • [nwaku] Skip two flaky tests
  • [nwaku] Update the upload-artifact from v3 to v4 in pre-release.yml
  • [nwaku] Avoid performing nil check for userData
  • [nwaku] Expect camelCase JSON for libwaku store queries
  • [nwaku] Make /debug REST endpoints /version and /info available as root
  • [nwaku] Enable filter and lightpush REST endpoints without having filternode/lightpushnode configured
  • [nwaku] Add /info, /version derived from under /debug/v1
  • [js-waku] wrapping up js-waku interoperability with nwaku 0.35
• next:
  • [nwaku] Enhance REST /admin/v1/peers endpoint for better debug support
  • [js-waku] enable peer-exchange by default for LightNode
  • [js-waku] dependencies security review
  • [js-waku] node health interface fixes
  • [js-waku] createDecoder ignores malformed SingleShardInfo and falls back to autosharding