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core/rawdb: preallocate slice in iterateTransactions (#33690)
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Preallocate hashes slice with known length instead of using append in a
loop. This avoids multiple reallocations during transaction indexing.
This commit is contained in:
Lessa 2026-01-27 20:51:15 -05:00 committed by GitHub
parent 56be36f672
commit 344d01e2be
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GPG key ID: B5690EEEBB952194
1 changed files with 3 additions and 3 deletions
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6
core/rawdb/chain_iterator.go
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@ -153,9 +153,9 @@ func iterateTransactions(db ethdb.Database, from uint64, to uint64, reverse bool
err: err,
}
} else {
var hashes []common.Hash
for _, tx := range body.Transactions {
hashes = append(hashes, tx.Hash())
hashes := make([]common.Hash, len(body.Transactions))
for i, tx := range body.Transactions {
hashes[i] = tx.Hash()
}
result = &blockTxHashes{
hashes: hashes,