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lesson // lightning

Node Ops Dashboard

Monitor channels, peers, balances, and routing revenue in one view.

advanced10 daysproject // ln-node-dashboard

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Learning objectives

  • Aggregate channel and peer metrics from your node
  • Surface inbound/outbound imbalances
  • Alert on forced closes and offline peers

study // plan

Lessons are primers. Start with Step 1 (required reading) when present, then follow the numbered steps in the article. Depth comes from primary sources, labs, reflection, and evidence.

Research on Bitcoin Search
Lightning node dashboardchannel metricsrouting revenuepeer monitoring

Step 1 // Required reading

Complete these before the numbered steps in the lesson body. Links are listed here once — not repeated below.

  • docsProject Spec: Node Ops Dashboard

    Pull project page — acceptance criteria and submit flow.

  • bookMastering the Lightning Network

    Ch. 5: Operating a Lightning Node

Reflection prompts

  1. Explain Node Ops Dashboard to a teammate without jargon - what problem does it solve?
  2. What would break in production if you misunderstood Node Ops Dashboard?
  3. Which BOLT (or implementation doc) is the source of truth for this topic, and what did you verify there?

Lab // Project milestone evidence

Complete Steps 2–4. Ship a dashboard that polls your lab node via a backend proxy and capture demo evidence before marking complete.

evidence required

  • ·Link to public repo or branch
  • ·Screenshot of channel/peer/balance panels
  • ·Short note of one alert or failure case (peer offline, imbalance)
  1. 01

    Worked mental model

    Re-read the diagrams in this lesson once out loud in plain language. If you cannot explain the flow to a friend without jargon, pause and revisit the Mastering Bitcoin / Mastering Lightning chapters linked in Resources. Chapter references are intentional, not decorative.

  2. 02

    Hands-on habit

    Every protocol idea should be paired with one local experiment. That habit turns reading into builder instinct.

    1. Reproduce the happy path on regtest (or Polar for Lightning)
    2. Break it on purpose (wrong fee, expired invoice, offline peer)
    3. Write down what error you saw and which layer produced it (wallet, node, mempool, peer)
  3. 03

    Glossary check

    Pick three terms from this lesson and define them in one sentence each without opening notes. Weak definitions mean the lesson is not finished yet.

  4. 04

    Resource order

    Use Resources in order: narrative book chapter first, then BIP/BOLT for precision, then implementation docs for commands. Jumping straight to RPC flags without the mental model creates brittle knowledge.

Operators need one pane of glass: channels, fees collected, failed HTLCs, and peer health.

Complete Step 1 // Required reading in the study plan above, then continue here.

Step 2 — Goal

Dashboard widgets:

  • Channel list with capacity and balance ratio
  • Recent forwarding events
  • Peer online status
  • On-chain vs channel balance

Never expose node admin credentials to the browser — proxy through your backend.

Loading diagram…

Collect node metrics, store snapshots, alert on anomalies.

Done when: You can list the RPC/API calls behind each widget.

Step 3 — Milestones

PhaseShip
Milestone ABackend collector + channel list with balance ratio
Milestone BPeers + forwarding / fee snapshot
Milestone CAlert banner for offline peer or force-close risk

Done when: Milestone A never ships macaroons/RPC secrets to the client.

Step 4 — Build & evidence (lab)

Implement against /projects/ln-node-dashboard. Capture repo link, panel screenshot, and one alert/failure note.

Common mistakes

  • Polling too aggressively and starving the node
  • Showing only total capacity without inbound/outbound
  • Alerting on Polar’s empty peer list without context

Done when: Lab evidence is filed.

Next lesson

Custom Router — pathfinding with your own fee and reliability heuristics.

further reading

  • docsLND prometheus metrics
  • toolAmboss

review // club

Review club

Practice on real Lightning OSS changes tied to this chapter. Read the diff, use the checklist, and optionally paste your review comment URL in your lab notes.

  • Ride The Lightning UI GFI

    Compare RTL's channel views with what you'd build in the node ops dashboard project.

    gfi
    UXnode ops
    30 min·beginneropen on GitHub
review checklist
  1. Does the change solve the stated problem?
  2. Are edge cases and rollout behavior covered?
  3. Are tests or test vectors included?
  4. Is the diff minimal and clearly explained?

More repos and GFIs on /discover and /issues.

build // challenge

project // ln-node-dashboard

./open-spec./submit

Apply what you learned in a focused build session. Ship something small, test it on regtest, and document your approach before moving on.

progress // sign in

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discussion

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