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Shrink persisted fork choice data (#7805)

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Closes:

- https://github.com/sigp/lighthouse/issues/7760


  - [x] Remove `balances_cache` from `PersistedForkChoiceStore` (~65 MB saving on mainnet)
- [x] Remove `justified_balances` from `PersistedForkChoiceStore` (~16 MB saving on mainnet)
- [x] Remove `balances` from `ProtoArray`/`SszContainer`.
- [x] Implement zstd compression for votes
- [x] Fix bug in justified state usage
- [x] Bump schema version to V28 and implement migration.
This commit is contained in:
Michael Sproul
2025-08-18 16:03:28 +10:00
committed by GitHub
parent 08234b2823
commit 836c39efaa
26 changed files with 610 additions and 127 deletions
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9
beacon_node/beacon_chain/src/builder.rs
View File

@@ -394,7 +394,7 @@ where
.map_err(|e| format!("Failed to initialize genesis data column info: {:?}", e))?,
);
let fc_store = BeaconForkChoiceStore::get_forkchoice_store(store, &genesis)
let fc_store = BeaconForkChoiceStore::get_forkchoice_store(store, genesis.clone())
.map_err(|e| format!("Unable to initialize fork choice store: {e:?}"))?;
let current_slot = None;
@@ -616,7 +616,7 @@ where
beacon_state: weak_subj_state,
};
let fc_store = BeaconForkChoiceStore::get_forkchoice_store(store, &snapshot)
let fc_store = BeaconForkChoiceStore::get_forkchoice_store(store, snapshot.clone())
.map_err(|e| format!("Unable to initialize fork choice store: {e:?}"))?;
let fork_choice = ForkChoice::from_anchor(
@@ -887,8 +887,9 @@ where
self.pending_io_batch.push(BeaconChain::<
Witness<TSlotClock, E, THotStore, TColdStore>,
>::persist_fork_choice_in_batch_standalone(
&fork_choice
));
&fork_choice,
store.get_config(),
).map_err(|e| format!("Fork choice compression error: {e:?}"))?);
store
.hot_db
.do_atomically(self.pending_io_batch)