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berachain / beacon-kit

A modular framework for building EVM consensus clients ⛵️✨
https://berachain.com
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feat(storage,ssz): introduce SSZ schema and backend #1660

Open kocubinski opened 5 days ago

kocubinski commented 5 days ago

Goal: Replace IAVL usage with a performant SSZ db backend. Instead of storing the leaves of an SSZ merkle tree in an AVL tree, store the SSZ tree directly with nodes keyed on their generalized index. This has powerful implications for disk, memory and compute usage thanks to the caching and partial hashing properties of the resultant structure, i.e. less usage for far more throughput.

Status: Hacked but working, PoC quality.

One of the more complex (and indirected) pieces of state, ExecutionPayloadHeader is being stored in both sszdb and IAVL with a double write. A double read verifies the hash of the objects on each Get through the block lifecycle. Verified with make start.

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codecov[bot] commented 5 days ago

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 70.45%. Comparing base (326067f) to head (0d73c2a).

:exclamation: Current head 0d73c2a differs from pull request most recent head cc0078a

Please upload reports for the commit cc0078a to get more accurate results.

Additional details and impacted files [![Impacted file tree graph](https://app.codecov.io/gh/berachain/beacon-kit/pull/1660/graphs/tree.svg?width=650&height=150&src=pr&token=0l5iJ3ZbzV&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=berachain)](https://app.codecov.io/gh/berachain/beacon-kit/pull/1660?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=berachain) ```diff @@ Coverage Diff @@ ## main #1660 +/- ## =========================================== + Coverage 22.16% 70.45% +48.29% =========================================== Files 266 8 -258 Lines 11767 88 -11679 Branches 18 18 =========================================== - Hits 2608 62 -2546 + Misses 9044 22 -9022 + Partials 115 4 -111 ``` [see 258 files with indirect coverage changes](https://app.codecov.io/gh/berachain/beacon-kit/pull/1660/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=berachain)
itsdevbear commented 5 days ago

🧑‍🍳 🔥