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CommitteeCache.get_all_beacon_committees: set correct capacity to avoid realloc (#4557)

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zhiqiangxu 2023-08-02 23:50:43 +00:00
parent b5e25aeb2f
commit 7399a54ca3
1 changed files with 1 additions and 1 deletions
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2
consensus/types/src/beacon_state/committee_cache.rs
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@ -174,7 +174,7 @@ impl CommitteeCache {
.ok_or(Error::CommitteeCacheUninitialized(None))?; .ok_or(Error::CommitteeCacheUninitialized(None))?;
initialized_epoch.slot_iter(self.slots_per_epoch).try_fold( initialized_epoch.slot_iter(self.slots_per_epoch).try_fold(
Vec::with_capacity(self.slots_per_epoch as usize), Vec::with_capacity(self.epoch_committee_count()),
|mut vec, slot| { |mut vec, slot| {
vec.append(&mut self.get_beacon_committees_at_slot(slot)?); vec.append(&mut self.get_beacon_committees_at_slot(slot)?);
Ok(vec) Ok(vec)