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Allow user to set an epoch margin for pruning

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This commit is contained in:
Emilia Hane
2023-01-20 13:03:46 +01:00
parent d7fc24a9d5
commit 1812301c9c
6 changed files with 58 additions and 3 deletions
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16
beacon_node/store/src/hot_cold_store.rs
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@@ -1798,8 +1798,20 @@ impl<E: EthSpec, Hot: ItemStore<E>, Cold: ItemStore<E>> HotColdDB<E, Hot, Cold>
let mut ops = vec![];
let mut last_pruned_block_root = None;
// Prune up until the data availability boundary.
let end_slot = (data_availability_boundary - 1).end_slot(E::slots_per_epoch());
// At most prune up until the data availability boundary epoch, leaving at least blobs in
// the data availability boundary epoch and younger.
let end_slot = {
let earliest_prunable_epoch = data_availability_boundary - 1;
// Stop pruning before reaching the data availability boundary if a margin is
// configured.
let end_epoch = if let Some(margin) = self.get_config().blob_prune_margin_epochs {
earliest_prunable_epoch - margin
} else {
earliest_prunable_epoch
};
end_epoch.end_slot(E::slots_per_epoch())
};
for res in self.forwards_block_roots_iterator_until(
oldest_blob_slot,