2025-12-22 Waku Weekly

Highlights

• nim-team:
  • Unite all token_bucket implementation into single place under nim-chronos
  • Start using external nim-ffi dependency in logos-messaging-nim

Introduce E2E Reliability in Status Communities

• [Deliverable] SDS protocol in Status - basic recovery
  • blockers: basic discovery of sds integration blocked by this issue, https://github.com/status-im/status-go/issues/7216

Improve DevEx: API, TWN, Metrics, Docs

• [Deliverable] Introduce Waku API in nwaku
  • next:
    • [nim] Implement simple send API
    • [nim] Implement Health API

Create Chat SDK MVP

• [Deliverable] Chat SDK Developer Preview

  • achieved:
    • Fix the chat poc windows build, https://github.com/logos-messaging/nim-chat-poc/pull/46
    • Updated API docs, https://github.com/logos-messaging/nim-chat-poc/pull/45
    • Updated API to accept Delivery Service, https://github.com/logos-messaging/nim-chat-poc/pull/44
    • Updated WakuClient to use dedicated cluster, https://github.com/logos-messaging/nim-chat-poc/pull/41

• [Deliverable] Chat SDK Bindings

  • achieved: [logos] c-bindings pr

Upgrade Nim Usage

• Create nim-ffi
  • achieved: [nim] Use nim-ffi dependency in logos-messaging-nim

Maintenance

• achieved:
  • [nim] Misc CI fixes
  • [nim] Align rust-bindings with recent rename
  • [nim] Fix unit tests in logos-messaging-go-bindings
  • [nim] Tocken bucket unification
• next:
  • [nim] WSS handler socket leak
  • [nim] Avoid raise exception from within group_manager