Which issue # does this PR address? This PR addresses reproducible builds. The current dockerfile builds the lighthouse binary but not reproducibly. You can verify that by following these steps: ``` docker build --no-cache --output=. . mv usr/local/bin/lighthouse lighthouse1 rm usr/local/bin/lighthouse docker build --no-cache --output=. . mv usr/local/bin/lighthouse lighthouse2 sha256sum lighthouse1 lighthouse2 ``` You will notice that each one of the binaries has a different checksum upon each build. This is critical for systems that depends on requiring reproducible builds, such as running lighthouse in confidential computing, like Intel TDX. This PR adds a new build profile as well as a Dockerfile.reproducible that enables building the lighthouse binary reproducibly. By following the steps I listed above, you will be able to verify that the resulted binary has the same hash upon several subsequent builds for the same version. How to test it: ``` mkdir output1 output2 docker build --no-cache -f Dockerfile.reproducible --output=output1 . docker build --no-cache -f Dockerfile.reproducible --output=output2 . sha256sum output1/lighthouse output2/lighthouse # hashes should be identical rm -rf output1 output2 ```
Lighthouse: Ethereum consensus client
An open-source Ethereum consensus client, written in Rust and maintained by Sigma Prime.
Overview
Lighthouse is:
- Ready for use on Ethereum consensus mainnet.
- Fully open-source, licensed under Apache 2.0.
- Security-focused. Fuzzing techniques have been continuously applied and several external security reviews have been performed.
- Built in Rust, a modern language providing unique safety guarantees and excellent performance (comparable to C++).
- Funded by various organisations, including Sigma Prime, the Ethereum Foundation, Consensys, the Decentralization Foundation and private individuals.
- Actively involved in the specification and security analysis of the Ethereum proof-of-stake consensus specification.
Staking Deposit Contract
The Lighthouse team acknowledges
0x00000000219ab540356cBB839Cbe05303d7705Fa
as the canonical staking deposit contract address.
Documentation
The Lighthouse Book contains information for users and developers.
The Lighthouse team maintains a blog at https://blog.sigmaprime.io/tag/lighthouse which contains periodic progress updates, roadmap insights and interesting findings.
Branches
Lighthouse maintains two permanent branches:
stable: Always points to the latest stable release.- This is ideal for most users.
unstable: Used for development, contains the latest PRs.- Developers should base their PRs on this branch.
Contributing
Lighthouse welcomes contributors.
If you are looking to contribute, please head to the Contributing section of the Lighthouse book.
Contact
The best place for discussion is the Lighthouse Discord server.
Sign up to the Lighthouse Development Updates mailing list for email notifications about releases, network status and other important information.
Encrypt sensitive messages using our PGP key.
Donations
Lighthouse is an open-source project and a public good. Funding public goods is hard and we're grateful for the donations we receive from the community via:
- Gitcoin Grants.
- Ethereum address:
0x25c4a76E7d118705e7Ea2e9b7d8C59930d8aCD3b(donation.sigmaprime.eth).
