Feedback
Sign in./start

Site navigation

Theme

Learn

  • Roadmaps

Build

  • Projects
  • Developer Tools

Contribute

  • Open Source Projects
  • Issues
  • Reviews
  • First Contribution
  • BountiesSoon
  • Feedback

Prove

  • Builders

Ecosystem

  • Partners
  • Get Funded↗
  • HackathonsSoon
Sign in./start-building

Become an Open Source Builder. Learn. Build. Contribute. Prove.

Feedback welcome — open a GitHub issue.

Learn

RoadmapsStart Building

Build

ProjectsDeveloper Tools

Contribute

Open Source ProjectsIssuesReviewsFirst ContributionSupportFeedback

Prove

Builders Directory

Account

Sign in

Legal

PrivacyTermsCredits

© 2026 Pull // code MIT · curriculum CC BY-SA 4.0

PrivacyTermsCredits

lesson // bitcoin

Node Dashboard

Monitor peers, chain sync, wallet balance, and fee estimates in real time.

advanced10 daysproject // node-dashboard

Public lesson — sign in to track progress on this roadmap.

./sign-in

On this page

Learning objectives

  • Poll or stream Bitcoin Core status metrics
  • Visualize sync progress, peer counts, and mempool size
  • Alert on stalled IBD or RPC failures

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
node dashboardRPC monitoringgetblockchaininfoBitcoin Core metrics

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 Dashboard

    Pull project page — acceptance criteria and submit flow.

  • bookMastering Bitcoin

    Ch. 3: Bitcoin Core

Reflection prompts

  1. Explain Node Dashboard to a teammate without jargon - what problem does it solve?
  2. What would break in production if you misunderstood Node Dashboard?
  3. Which BIP, book chapter, or Core doc is authoritative here, and what did you verify?

Lab // Project milestone evidence

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

evidence required

  • ·Link to public repo or branch
  • ·Screenshot showing height/peers/mempool (or equivalent panels)
  • ·Short note of one failure case (RPC down, stalled sync)
  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 situational awareness. A node dashboard turns RPC into signals: are we synced, connected, and estimating fees sanely?

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

Step 2 — Goal

Dashboard panels:

  • Chain height / headers / verification progress
  • Peer count
  • Mempool size + feerate estimates
  • Optional wallet balances for a monitoring wallet

Loading diagram…

Poll Core safely and render snapshots; never expose RPC to browsers.

Done when: You can list the RPC calls behind each panel.

Step 3 — Milestones

PhaseShip
Milestone ABackend proxy + getblockchaininfo / peer snapshot
Milestone BMempool + fee estimate panels with refresh
Milestone CAlert or banner for RPC failure / stalled IBD

Proxy RPC

Browser clients must hit your backend, not bitcoind directly.

Done when: Milestone A never exposes RPC credentials to the browser.

Step 4 — Build & evidence (lab)

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

Common mistakes

  • Polling too aggressively and starving the node
  • Exposing cookie/RPC auth to the frontend
  • Treating regtest peer count (often 0) as a production outage without context

Done when: Lab evidence is filed.

Next lesson

Payment Processor API — invoices, confirmations, and merchant webhooks.

further reading

  • docsBitcoin Core RPC reference
  • docsgetblockchaininfo

build // challenge

project // 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

Reading is public. Sign in to mark lessons complete, sync across devices, and unlock your roadmap.

./sign-in-to-track

discussion

Discussion

prevBlock Explorer UInextPayment Processor API

On this page

Press Shift + ? for keyboard shortcuts.

Press R to research on Bitcoin Search.

No questions yet — be the first to ask.