Lodestar Ethereum Consensus Implementation

Lodestar is a TypeScript implementation of the Ethereum Consensus specification developed by ChainSafe Systems.

Getting started

• ⚙️ Follow the installation method for source install, NPM install, or Docker install to install Lodestar. Or use our comprehensive setup guide.
• 📚 Use Lodestar libraries in your next Ethereum Typescript project.
• 🌐 Run a beacon node on mainnet or a public testnet.
• 💻 Utilize the whole stack by starting a local testnet.
• 🗒️ View the Lodestar CLI commands and options.
• 🤓 View the Package and dependency structure.
• 📝 Prospective contributors can read the contributing section to understand how we develop and test on Lodestar.
• ✍️ If you have questions submit an issue or join us on Discord!
• 🚨 Please note our security policy.
• 📬 Sign up to our mailing list for announcements and any critical information about Lodestar.

Prerequisites

• ⚙️ NodeJS (LTS/Gallium)
• 🧰 Yarn/Lerna

Developer Quickstart:

lerna bootstrap
yarn build
./lodestar --help

Architecture Overview

• 📦 This mono-repository contains a suite of Ethereum Consensus packages.
• ⚖️ The mono-repository is released under LGPLv3 license. Note, that the packages contain their own licenses.

Package	Version	License	Docs	Description
@lodestar/beacon-node				🚨 Beacon-chain client
@lodestar/validator				🏦 Validator client
@lodestar/light-client				🐦 Ethereum Light client
@lodestar/api				📋 REST Client for the Eth Beacon API
@chainsafe/lodestar				💻 Command-line tool for Lodestar
@lodestar/state-transition				🔎 Eth Consensus beacon-state transition
@lodestar/types				🗒️ Eth Consensus TypeScript and SSZ types
@lodestar/params				🕸️ Eth Consensus network parameters
@lodestar/utils				🧰 Miscellaneous utility functions used across Lodestar
@lodestar/config				🗒️ Eth Consensus types and params bundled together
@lodestar/spec-test-util				🧪 Test harness for Eth Consensus spec tests
@lodestar/db				💾 Read/write persistent Eth Consensus data
@lodestar/fork-choice				🍴 Beacon-chain fork choice

Contributors

Read our contributors document, submit an issue or talk to us on our Discord!

Meetings

Weekly contributor meetings are public and announced on Discord. Feel free to check out our meeting notes and documents on HackMD. Post-September 2021, meeting notes can be found on the Lodestar Wiki Page.

Donations

We are a local group of Toronto open-source developers. As such, all of our open-source work is funded by grants. We all take the time out of our hectic lives to contribute to the Ethereum ecosystem. If you want to donate, you can send us ETH at the following address: lodestar.chainsafe.eth