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core/state: fix prefetcher for verkle #29760

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core/state: fix prefetcher for verkle #29760

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7 changes: 5 additions & 2 deletions core/state/statedb.go
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Original file line number Diff line number Diff line change
Expand Up @@ -875,9 +875,12 @@ func (s *StateDB) IntermediateRoot(deleteEmptyObjects bool) common.Hash {
// Now we're about to start to write changes to the trie. The trie is so far
// _untouched_. We can check with the prefetcher, if it can give us a trie
// which has the same root, but also has some content loaded into it.
//
// Don't check prefetcher if verkle Trie has been used. In the context of verkle,
// only a single trie is used for state hashing. Replacing a non-nil verkle tree
// here could result in losing uncommitted changes from storage.
start = time.Now()

if s.prefetcher != nil {
if s.prefetcher != nil && (s.trie == nil || !s.trie.IsVerkle()) {
if trie, err := s.prefetcher.trie(common.Hash{}, s.originalRoot); err != nil {
log.Error("Failed to retrieve account pre-fetcher trie", "err", err)
} else if trie != nil {
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