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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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6
beacon_node/beacon_chain/tests/attestation_verification.rs
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@@ -1225,7 +1225,7 @@ async fn attestation_that_skips_epochs() {
let mut state = harness
.chain
.get_state(&earlier_block.state_root(), Some(earlier_slot))
.get_state(&earlier_block.state_root(), Some(earlier_slot), true)
.expect("should not error getting state")
.expect("should find state");
@@ -1331,7 +1331,7 @@ async fn attestation_validator_receive_proposer_reward_and_withdrawals() {
let current_slot = harness.get_current_slot();
let mut state = harness
.chain
.get_state(&earlier_block.state_root(), Some(earlier_slot))
.get_state(&earlier_block.state_root(), Some(earlier_slot), true)
.expect("should not error getting state")
.expect("should find state");
@@ -1399,7 +1399,7 @@ async fn attestation_to_finalized_block() {
let mut state = harness
.chain
.get_state(&earlier_block.state_root(), Some(earlier_slot))
.get_state(&earlier_block.state_root(), Some(earlier_slot), true)
.expect("should not error getting state")
.expect("should find state");