coinosv3.git/tools/zmq-watcher.js, branch master

The watcher stops hoarding what it cannot parse: one unfinalizable tx no longer poisons the frame buffer into a 2GB firehose hoard, and exotic txs get their txid computed by hand instead of dropped

2026-08-16T15:33:17Z

Co-Authored-By: Claude Fable 5 Claude-Session: https://claude.ai/code/session_01JtaatFfAbx91Nh3xqKVqKz

Confirm transactions via the WebSocket push, not REST

2026-06-25T22:47:50Z

The watcher's block (rawblock) push now carries confirmed=true + the block time, and _applyTxNotification flips the matching history row and coins from pending to confirmed directly — for incoming and outgoing txs (flag-only, so no overcount). Confirmations no longer wait on a mempool.space reconcile; the 30s backstop poll just fills in block height / fee afterward. Co-Authored-By: Claude Opus 4.8 (1M context)

Credit payments instantly from the watcher push (no REST on critical path)

2026-06-25T20:28:45Z

The watcher push now carries the tx data (matched outputs + confirmed flag), so the app credits an incoming payment the moment the push arrives — no mempool.space round-trip. This removes the rate-limited REST reconcile from the path a user actually waits on, and lets us back the frontier poll way off when the socket is live (30s backstop vs the old 3s receive-tab hammer), cutting the 429s to a trickle. - watcher: notification includes { txid, confirmed, outputs:[{vout,value}] }. - wallet: _applyTxNotification credits the receive coin + a pending history row optimistically (receives only; change reconciles in the background), advances the frontier, updates the balance, and schedules a background reconcile for full accuracy off the critical path. - poll intervals relaxed now that the WS does the real work instantly. Co-Authored-By: Claude Opus 4.8 (1M context)

Realtime via self-hosted ZMQ watcher (Electrum-over-WS)

2026-06-25T16:39:14Z

Replace the unreliable public WebSocket push (mempool/blockchain.info address subscriptions never reliably fire) with a private notification service: - tools/zmq-watcher.js: a standalone Bun service (reusing coinos lib/zmq.ts's ZMTP subscriber) that reads Bitcoin Core's ZMQ rawtx/rawblock, computes the scripthash of each output, and pushes a blockchain.scripthash.subscribe notification to subscribed clients. No historical index (~24MB RAM) — just the live tx stream. Runs on the coinos box reading its Core's ZMQ. - wallet.js: realtime client now speaks the Electrum protocol (server.version, scripthash.subscribe, server.ping) over the WS; any scripthash notification triggers the existing refreshLive() (REST stays the source of truth). - api.js: wsUrl -> wss://coinos.io/electrum. Verified end-to-end: live mempool txs to subscribed addresses notify instantly. Co-Authored-By: Claude Opus 4.8 (1M context)