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fixup! Prune blobs before data availability breakpoint

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This commit is contained in:
Emilia Hane 2023-01-08 17:45:08 +01:00
parent fe0c911402
commit 2a41f25d68
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GPG Key ID: E73394F9C09206FA
3 changed files with 14 additions and 19 deletions
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2
beacon_node/beacon_chain/src/beacon_chain.rs
View File

@ -3029,7 +3029,7 @@ impl<T: BeaconChainTypes> BeaconChain<T> {
blob_info.last_pruned_epoch + *MIN_EPOCHS_FOR_BLOBS_SIDECARS_REQUESTS;
if current_epoch > next_epoch_to_prune {
blob_info.availability_breakpoint = block_root;
blob_info.data_availability_breakpoint = block_root;
self.store.compare_and_set_blob_info_with_write(
self.store.get_blob_info(),
Some(blob_info),

29
beacon_node/store/src/hot_cold_store.rs
View File

@ -1696,25 +1696,24 @@ impl<E: EthSpec, Hot: ItemStore<E>, Cold: ItemStore<E>> HotColdDB<E, Hot, Cold>
return Ok(());
}
if blob_info.availability_breakpoint == blob_info.oldest_blob_parent {
if blob_info.data_availability_breakpoint == blob_info.oldest_blob_parent {
return Ok(());
}
// Load the state from which to prune blobs so we can backtrack.
let erase_state = self
.get_state(
&blob_info.availability_breakpoint,
&blob_info.data_availability_breakpoint,
Some(blob_info.last_pruned_epoch.end_slot(E::slots_per_epoch())),
)?
.ok_or(HotColdDBError::MissingStateToPruneBlobs(
blob_info.availability_breakpoint,
blob_info.data_availability_breakpoint,
blob_info.oldest_blob_slot,
))?;
// The data availability breakpoint is set at the start of an epoch indicating the epoch
// before can be pruned.
let erase_epoch = erase_state.current_epoch() - 1;
let erase_slot = erase_epoch.end_slot(E::slots_per_epoch());
// The finalized block may or may not have its blobs sidecar stored, depending on
// whether it was at a skipped slot. However for a fully pruned database its parent
@ -1724,18 +1723,14 @@ impl<E: EthSpec, Hot: ItemStore<E>, Cold: ItemStore<E>> HotColdDB<E, Hot, Cold>
let already_pruned = process_results(
BlockRootsIter::new(&erase_state, blob_info.oldest_blob_slot),
|mut iter| {
iter.find(|(slot, block_root)| {
iter.find(|(_, block_root)| {
move || -> bool {
if *slot <= erase_slot {
if let Ok(Some(erase_parent_block)) =
self.get_blinded_block(&block_root)
if let Ok(Some(erase_parent_block)) = self.get_blinded_block(&block_root) {
if let Ok(expected_kzg_commitments) =
erase_parent_block.message().body().blob_kzg_commitments()
{
if let Ok(expected_kzg_commitments) =
erase_parent_block.message().body().blob_kzg_commitments()
{
if expected_kzg_commitments.len() > 0 {
return true;
}
if expected_kzg_commitments.len() > 0 {
return true;
}
}
}
@ -1790,10 +1785,10 @@ impl<E: EthSpec, Hot: ItemStore<E>, Cold: ItemStore<E>> HotColdDB<E, Hot, Cold>
ops.push(StoreOp::DeleteBlobs(block_root));
}
if slot <= erase_slot {
if block_root == blob_info.oldest_blob_parent {
info!(
self.log,
"Blobs sidecar pruning reached earliest available blob state";
"Blobs sidecar pruning reached earliest available blobs sidecar";
"slot" => slot
);
break;
@ -1809,7 +1804,7 @@ impl<E: EthSpec, Hot: ItemStore<E>, Cold: ItemStore<E>> HotColdDB<E, Hot, Cold>
);
blob_info.last_pruned_epoch = erase_epoch;
blob_info.oldest_blob_parent = blob_info.availability_breakpoint;
blob_info.oldest_blob_parent = blob_info.data_availability_breakpoint;
self.compare_and_set_blob_info_with_write(self.get_blob_info(), Some(blob_info))?;
Ok(())

2
beacon_node/store/src/metadata.rs
View File

@ -125,7 +125,7 @@ pub struct BlobInfo {
/// The latest epoch that blobs were pruned.
pub last_pruned_epoch: Epoch,
/// The block root of the next blobs to prune from.
pub availability_breakpoint: Hash256,
pub data_availability_breakpoint: Hash256,
/// The block root of the next blob that needs to be added to fill in the history.
pub oldest_blob_parent: Hash256,
/// The slot before which blobs are available.