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Prevent writing to state cache when migrating the database (#7067)

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* add an update_cache flag to get_state to have more granular control over when we write to the cache

* State cache tweaks

- add state-cache-headroom flag to control pruning
- prune old epoch boundary states ahead of mid-epoch states
- never prune head block's state
- avoid caching ancestor states unless they are on an epoch boundary

---------

Co-authored-by: Michael Sproul <michael@sigmaprime.io>
This commit is contained in:
Eitan Seri-Levi
2025-03-03 17:15:12 -07:00
committed by GitHub
parent 8f62b1934a
commit defdc595fc
28 changed files with 178 additions and 77 deletions
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4
beacon_node/http_api/src/block_rewards.rs
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@@ -44,7 +44,7 @@ pub fn get_block_rewards<T: BeaconChainTypes>(
.ok_or_else(|| custom_bad_request(format!("prior state at slot {} unknown", prior_slot)))?;
let mut state = chain
.get_state(&state_root, Some(prior_slot))
.get_state(&state_root, Some(prior_slot), true)
.and_then(|maybe_state| maybe_state.ok_or(BeaconChainError::MissingBeaconState(state_root)))
.map_err(unhandled_error)?;
@@ -134,7 +134,7 @@ pub fn compute_block_rewards<T: BeaconChainTypes>(
})?;
let parent_state = chain
.get_state(&parent_block.state_root(), Some(parent_block.slot()))
.get_state(&parent_block.state_root(), Some(parent_block.slot()), true)
.map_err(unhandled_error)?
.ok_or_else(|| {
custom_bad_request(format!(