From c5ff839fb2e92657c61f4c3bb8777837bd93fa25 Mon Sep 17 00:00:00 2001 From: aaronbuchwald Date: Fri, 29 Sep 2023 10:46:23 -0400 Subject: [PATCH] core/state: small trie prefetcher nits (#28183) Small trie prefetcher nits --- core/state/trie_prefetcher.go | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/core/state/trie_prefetcher.go b/core/state/trie_prefetcher.go index 4e8fd1e10..772c698dd 100644 --- a/core/state/trie_prefetcher.go +++ b/core/state/trie_prefetcher.go @@ -37,7 +37,7 @@ var ( type triePrefetcher struct { db Database // Database to fetch trie nodes through root common.Hash // Root hash of the account trie for metrics - fetches map[string]Trie // Partially or fully fetcher tries + fetches map[string]Trie // Partially or fully fetched tries. Only populated for inactive copies. fetchers map[string]*subfetcher // Subfetchers for each trie deliveryMissMeter metrics.Meter @@ -197,7 +197,10 @@ func (p *triePrefetcher) used(owner common.Hash, root common.Hash, used [][]byte // trieID returns an unique trie identifier consists the trie owner and root hash. func (p *triePrefetcher) trieID(owner common.Hash, root common.Hash) string { - return string(append(owner.Bytes(), root.Bytes()...)) + trieID := make([]byte, common.HashLength*2) + copy(trieID, owner.Bytes()) + copy(trieID[common.HashLength:], root.Bytes()) + return string(trieID) } // subfetcher is a trie fetcher goroutine responsible for pulling entries for a