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* Start extracting freezer changes for tree-states * Remove unused config args * Add comments * Remove unwraps * Subjective more clear implementation * Clean up hdiff * Update xdelta3 * Tree states archive metrics (#6040) * Add store cache size metrics * Add compress timer metrics * Add diff apply compute timer metrics * Add diff buffer cache hit metrics * Add hdiff buffer load times * Add blocks replayed metric * Move metrics to store * Future proof some metrics --------- Co-authored-by: Michael Sproul <michael@sigmaprime.io> * Port and clean up forwards iterator changes * Add and polish hierarchy-config flag * Merge remote-tracking branch 'origin/unstable' into tree-states-archive * Cleaner errors * Fix beacon_chain test compilation * Merge remote-tracking branch 'origin/unstable' into tree-states-archive * Patch a few more freezer block roots * Fix genesis block root bug * Fix test failing due to pending updates * Beacon chain tests passing * Merge remote-tracking branch 'origin/unstable' into tree-states-archive * Merge remote-tracking branch 'origin/unstable' into tree-states-archive * Fix doc lint * Implement DB schema upgrade for hierarchical state diffs (#6193) * DB upgrade * Add flag * Delete RestorePointHash * Update docs * Update docs * Implement hierarchical state diffs config migration (#6245) * Implement hierarchical state diffs config migration * Review PR * Remove TODO * Set CURRENT_SCHEMA_VERSION correctly * Fix genesis state loading * Re-delete some PartialBeaconState stuff --------- Co-authored-by: Michael Sproul <michael@sigmaprime.io> * Merge remote-tracking branch 'origin/unstable' into tree-states-archive * Fix test compilation * Update schema downgrade test * Fix tests * Fix null anchor migration * Merge remote-tracking branch 'origin/unstable' into tree-states-archive * Fix tree states upgrade migration (#6328) * Towards crash safety * Fix compilation * Move cold summaries and state roots to new columns * Rename StateRoots chunked field * Update prune states * Clean hdiff CLI flag and metrics * Fix "staged reconstruction" * Merge remote-tracking branch 'origin/unstable' into tree-states-archive * Fix alloy issues * Fix staged reconstruction logic * Prevent weird slot drift * Remove "allow" flag * Update CLI help * Remove FIXME about downgrade * Merge remote-tracking branch 'origin/unstable' into tree-states-archive * Remove some unnecessary error variants * Fix new test * Tree states archive - review comments and metrics (#6386) * Review PR comments and metrics * Comments * Add anchor metrics * drop prev comment * Update metadata.rs * Apply suggestions from code review --------- Co-authored-by: Michael Sproul <micsproul@gmail.com> * Update beacon_node/store/src/hot_cold_store.rs Co-authored-by: Lion - dapplion <35266934+dapplion@users.noreply.github.com> * Merge remote-tracking branch 'origin/unstable' into tree-states-archive * Clarify comment and remove anchor_slot garbage * Simplify database anchor (#6397) * Simplify database anchor * Update beacon_node/store/src/reconstruct.rs * Add migration for anchor * Fix and simplify light_client store tests * Fix incompatible config test * Merge remote-tracking branch 'origin/unstable' into tree-states-archive * Merge remote-tracking branch 'origin/unstable' into tree-states-archive * More metrics * Merge remote-tracking branch 'origin/unstable' into tree-states-archive * New historic state cache (#6475) * New historic state cache * Add more metrics * State cache hit rate metrics * Fix store metrics * More logs and metrics * Fix logger * Ensure cached states have built caches :O * Replay blocks in preference to diffing * Two separate caches * Distribute cache build time to next slot * Re-plumb historic-state-cache flag * Clean up metrics * Update book * Update beacon_node/store/src/hdiff.rs Co-authored-by: Lion - dapplion <35266934+dapplion@users.noreply.github.com> * Update beacon_node/store/src/historic_state_cache.rs Co-authored-by: Lion - dapplion <35266934+dapplion@users.noreply.github.com> --------- Co-authored-by: Lion - dapplion <35266934+dapplion@users.noreply.github.com> * Update database docs * Update diagram * Merge remote-tracking branch 'origin/unstable' into tree-states-archive * Update lockbud to work with bindgen/etc * Correct pkg name for Debian * Remove vestigial epochs_per_state_diff * Merge remote-tracking branch 'origin/unstable' into tree-states-archive * Markdown lint * Merge remote-tracking branch 'origin/unstable' into tree-states-archive * Address Jimmy's review comments * Simplify ReplayFrom case * Fix and document genesis_state_root * Typo Co-authored-by: Jimmy Chen <jchen.tc@gmail.com> * Merge branch 'unstable' into tree-states-archive * Compute diff of validators list manually (#6556) * Split hdiff computation * Dedicated logic for historical roots and summaries * Benchmark against real states * Mutated source? * Version the hdiff * Add lighthouse DB config for hierarchy exponents * Tidy up hierarchy exponents flag * Apply suggestions from code review Co-authored-by: Michael Sproul <micsproul@gmail.com> * Address PR review * Remove hardcoded paths in benchmarks * Delete unused function in benches * lint --------- Co-authored-by: Michael Sproul <michael@sigmaprime.io> * Test hdiff binary format stability (#6585) * Merge remote-tracking branch 'origin/unstable' into tree-states-archive * Add deprecation warning for SPRP * Update xdelta to get rid of duplicate deps * Document test
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).