rspace-online/backlog/tasks/task-113 - Braid-transport-...

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---
id: TASK-113
title: Braid transport toggle + SimpletonClient integration (payment-infra)
status: Done
assignee: []
created_date: '2026-03-15 19:14'
labels:
- payment-infra
- braid
- consensus
dependencies: []
references:
- payment-infra/docker-compose.yml
- payment-infra/services/wallet-service/src/services/braid-state-client.ts
- payment-infra/services/onramp-service/src/braid-state-client.ts
- payment-infra/services/consensus-service/docs/NODE_OPERATOR_GUIDE.md
priority: medium
---
## Description
<!-- SECTION:DESCRIPTION:BEGIN -->
Added TRANSPORT env var to payment-infra docker-compose.yml for all consensus nodes (default: websocket, set to 'braid' for single-port HTTP sync). Created BraidStateClient (Simpleton pattern) for wallet-service and onramp-service — zero-CRDT light client via Braid-HTTP subscription. Wallet-service balance reads use local cache when Braid connected. Onramp-service escrow-watcher monitors deposit confirmations via Braid. Updated NODE_OPERATOR_GUIDE.md with transport modes docs.
<!-- SECTION:DESCRIPTION:END -->
## Final Summary
<!-- SECTION:FINAL_SUMMARY:BEGIN -->
Completed payment-infra tasks 19, 20, 21. TRANSPORT env var on all 4 consensus nodes + wallet-service + onramp-service. Traefik /braid path routing. BraidStateClient in both consumer services with auto-reconnect. Merged to main.
<!-- SECTION:FINAL_SUMMARY:END -->