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Ethereum consensus client in Rust
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Paul Hauner 96692b8e43 Impl oneshot_broadcast for committee promises (#3595) 
## Issue Addressed

NA

## Proposed Changes

Fixes an issue introduced in #3574 where I erroneously assumed that a `crossbeam_channel` multiple receiver queue was a *broadcast* queue. This is incorrect, each message will be received by *only one* receiver. The effect of this mistake is these logs:

```
Sep 20 06:56:17.001 INFO Synced                                  slot: 4736079, block: 0xaa8a…180d, epoch: 148002, finalized_epoch: 148000, finalized_root: 0x2775…47f2, exec_hash: 0x2ca5…ffde (verified), peers: 6, service: slot_notifier
Sep 20 06:56:23.237 ERRO Unable to validate attestation          error: CommitteeCacheWait(RecvError), peer_id: 16Uiu2HAm2Jnnj8868tb7hCta1rmkXUf5YjqUH1YPj35DCwNyeEzs, type: "aggregated", slot: Slot(4736047), beacon_block_root: 0x88d318534b1010e0ebd79aed60b6b6da1d70357d72b271c01adf55c2b46206c1
```

## Additional Info

NA
2022-09-21 01:01:50 +00:00
.github Docker builds in GitHub actions (#3523) 2022-08-29 18:31:27 +00:00
account_manager Builder Specs v0.2.0 (#3134) 2022-07-30 00:22:37 +00:00
beacon_node Impl oneshot_broadcast for committee promises (#3595) 2022-09-21 01:01:50 +00:00
book Fix builder gas limit docs (#3569) 2022-09-13 01:57:46 +00:00
boot_node v3.1.0 (#3525) 2022-08-31 22:21:55 +00:00
common Impl oneshot_broadcast for committee promises (#3595) 2022-09-21 01:01:50 +00:00
consensus Implement skip_randao_verification and blinded block rewards API (#3540) 2022-09-19 07:58:48 +00:00
crypto Implement skip_randao_verification and blinded block rewards API (#3540) 2022-09-19 07:58:48 +00:00
database_manager Prune finalized execution payloads (#3565) 2022-09-17 02:27:01 +00:00
lcli Add lcli block-root tool (#3580) 2022-09-16 08:54:04 +00:00
lighthouse Refined payload pruning (#3587) 2022-09-19 07:58:49 +00:00
scripts Builder Specs v0.2.0 (#3134) 2022-07-30 00:22:37 +00:00
slasher Modularise slasher backend (#3443) 2022-08-15 01:30:56 +00:00
testing Use SmallVec for TreeHash packed encoding (#3581) 2022-09-16 08:54:06 +00:00
validator_client Remove strict fee recipient (#3552) 2022-09-08 23:46:02 +00:00
.dockerignore Exclude EE build dirs from Docker context (#3174) 2022-05-09 23:43:31 +00:00
.editorconfig Add editorconfig template 2019-03-11 15:09:57 +11:00
.gitignore Allow setting web3signer version through environment (#3368) 2022-07-27 03:20:01 +00:00
.gitmodules Replace EF tests submodule with a makefile 2019-09-08 04:19:54 +10:00
bors.toml Add merge support to simulator (#3292) 2022-07-18 23:15:40 +00:00
Cargo.lock Impl oneshot_broadcast for committee promises (#3595) 2022-09-21 01:01:50 +00:00
Cargo.toml Impl oneshot_broadcast for committee promises (#3595) 2022-09-21 01:01:50 +00:00
CONTRIBUTING.md [Contribution docs] Add GitPOAP Badge to Display Number of Minted GitPOAPs for Contributors (#3343) 2022-08-09 02:27:04 +00:00
Cross.toml Update Cross config for v0.2.2 (#3286) 2022-06-29 04:50:36 +00:00
Dockerfile docker rust version update (#3353) 2022-07-20 18:18:25 +00:00
Dockerfile.cross Use a stable tag for ubuntu in dockerfile (#3231) 2022-05-31 06:09:12 +00:00
LICENSE Update License to Apache 2.0 2019-04-15 16:47:35 +10:00
Makefile Modularise slasher backend (#3443) 2022-08-15 01:30:56 +00:00
README.md Remove build status badge from README (#3195) 2022-05-20 05:02:14 +00:00
SECURITY.md Add how users should report security vulnerabilities for this repository (#2562) 2021-09-07 01:54:05 +00:00

README.md

Lighthouse: Ethereum consensus client

An open-source Ethereum consensus client, written in Rust and maintained by Sigma Prime.

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Documentation

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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 lighthouse-blog.sigmaprime.io which contains periodical 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).