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fix(trie): only clone required keys in on_prefetch_proofs (#21378)

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Dan Cline
2026-01-23 20:13:01 +00:00
committed by GitHub
parent 3648483512
commit 963c26550a
1 changed files with 12 additions and 1 deletions
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13
crates/engine/tree/src/tree/payload_processor/multiproof.rs
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@@ -777,10 +777,21 @@ impl MultiProofTask {
// [`MultiAddedRemovedKeys`]. Even if there are not any known removed keys for the account,
// we still want to optimistically fetch extension children for the leaf addition case.
// V2 multiproofs don't need this.
//
// Only clone the AddedRemovedKeys for accounts in the targets, not the entire accumulated
// set, to avoid O(n) cloning with many buffered blocks.
let multi_added_removed_keys =
if let VersionedMultiProofTargets::Legacy(legacy_targets) = &targets {
self.multi_added_removed_keys.touch_accounts(legacy_targets.keys().copied());
Some(Arc::new(self.multi_added_removed_keys.clone()))
Some(Arc::new(MultiAddedRemovedKeys {
account: self.multi_added_removed_keys.account.clone(),
storages: legacy_targets
.keys()
.filter_map(|k| {
self.multi_added_removed_keys.storages.get(k).map(|v| (*k, v.clone()))
})
.collect(),
}))
} else {
None
};