Ethereum consensus client in Rust
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Paul Hauner c11253a82f Remove grandparents from snapshot cache (#2917)
## Issue Addressed

NA

## Proposed Changes

In https://github.com/sigp/lighthouse/pull/2832 we made some changes to the `SnapshotCache` to help deal with the one-block reorgs seen on mainnet (and testnets).

I believe the change in #2832 is good and we should keep it, but I think that in its present form it is causing the `SnapshotCache` to hold onto states that it doesn't need anymore. For example, a skip slot will result in one more `BeaconSnapshot` being stored in the cache.

This PR adds a new type of pruning that happens after a block is inserted to the cache. We will remove any snapshot from the cache that is a *grandparent* of the block being imported. Since we know the grandparent has two valid blocks built atop it, it is not at risk from a one-block re-org. 

## Additional Info

NA
2022-01-14 07:20:55 +00:00
.github Antithesis docker workflow (#2877) 2022-01-12 20:58:41 +00:00
account_manager Allow to set validator password via reimport (#2868) 2021-12-21 08:23:18 +00:00
beacon_node Remove grandparents from snapshot cache (#2917) 2022-01-14 07:20:55 +00:00
book Fix broken links in book (#2912) 2022-01-14 00:38:04 +00:00
boot_node Add tests for flags enable-enr-auto-update and disable-packet-filter (#2887) 2022-01-07 05:32:33 +00:00
common Avoid penalizing peers for delays during processing (#2894) 2022-01-12 02:36:24 +00:00
consensus Lazy hashing for SignedBeaconBlock in sync (#2916) 2022-01-14 07:20:54 +00:00
crypto Lazy hashing for SignedBeaconBlock in sync (#2916) 2022-01-14 07:20:54 +00:00
lcli Fix off-by-one in block packing lcli (#2878) 2022-01-07 05:32:29 +00:00
lighthouse Add tests for flags enable-enr-auto-update and disable-packet-filter (#2887) 2022-01-07 05:32:33 +00:00
scripts Fix name collision in script (#2678) 2021-10-05 22:54:11 +00:00
slasher Additional networking metrics (#2549) 2021-12-22 06:17:14 +00:00
testing Antithesis docker workflow (#2877) 2022-01-12 20:58:41 +00:00
validator_client Rust 1.58 lints (#2906) 2022-01-13 22:39:58 +00:00
.dockerignore Update spec tests to v1.1.0-beta.4 (#2548) 2021-09-25 05:58:35 +00:00
.editorconfig Add editorconfig template 2019-03-11 15:09:57 +11:00
.gitignore Delete uncompressed genesis states (#2092) 2020-12-16 03:44:05 +00:00
.gitmodules Replace EF tests submodule with a makefile 2019-09-08 04:19:54 +10:00
bors.toml Add Windows to Bors config (#2358) 2021-05-20 00:23:08 +00:00
Cargo.lock Lazy hashing for SignedBeaconBlock in sync (#2916) 2022-01-14 07:20:54 +00:00
Cargo.toml Kintsugi review comments (#2831) 2021-12-02 14:29:59 +11:00
CONTRIBUTING.md Update CONTRIBUTING.md (#751) 2020-01-03 10:45:53 +11:00
Cross.toml Optimise slasher DB layout and switch to MDBX (#2776) 2021-12-21 08:23:17 +00:00
Dockerfile Optimise slasher DB layout and switch to MDBX (#2776) 2021-12-21 08:23:17 +00:00
Dockerfile.cross Update docker images to Ubuntu latest (#2862) 2021-12-15 07:44:44 +00:00
LICENSE Update License to Apache 2.0 2019-04-15 16:47:35 +10:00
Makefile Rust 1.58 lints (#2906) 2022-01-13 22:39:58 +00:00
README.md Remove gitter from readme (#2914) 2022-01-14 04:07:17 +00:00
SECURITY.md Add how users should report security vulnerabilities for this repository (#2562) 2021-09-07 01:54:05 +00:00

Lighthouse: Ethereum 2.0

An open-source Ethereum 2.0 client, written in Rust and maintained by Sigma Prime.

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Overview

Lighthouse is:

  • Ready for use on Eth2 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 2.0 specification.

Eth2 Deposit Contract

The Lighthouse team acknowledges 0x00000000219ab540356cBB839Cbe05303d7705Fa as the canonical Eth2 deposit contract address.

Documentation

The Lighthouse Book contains information for users and developers.

The Lighthouse team maintains a blog at lighthouse.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).