core/state: prefetch account trie while starting a prefetcher (#29919)

Always prefetch the account trie while starting the prefetcher.

Co-authored-by: steven <steven@stevendeMacBook-Pro.local>
Co-authored-by: rjl493456442 <garyrong0905@gmail.com>
This commit is contained in:
Steven Wang 2024-06-04 11:12:24 +08:00 committed by GitHub
parent a6751d6fc8
commit adbbd8cd7b
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@ -208,6 +208,19 @@ func (s *StateDB) StartPrefetcher(namespace string) {
}
if s.snap != nil {
s.prefetcher = newTriePrefetcher(s.db, s.originalRoot, namespace)
// With the switch to the Proof-of-Stake consensus algorithm, block production
// rewards are now handled at the consensus layer. Consequently, a block may
// have no state transitions if it contains no transactions and no withdrawals.
// In such cases, the account trie won't be scheduled for prefetching, leading
// to unnecessary error logs.
//
// To prevent this, the account trie is always scheduled for prefetching once
// the prefetcher is constructed. For more details, see:
// https://github.com/ethereum/go-ethereum/issues/29880
if err := s.prefetcher.prefetch(common.Hash{}, s.originalRoot, common.Address{}, nil); err != nil {
log.Error("Failed to prefetch account trie", "root", s.originalRoot, "err", err)
}
}
}