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

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merged 3 commits into from
Jun 4, 2024
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core/state: prefetch account trie while starting a prefetcher #29919

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6b23128
core/state: prefetch account trie while start a prefetcher
Jun 3, 2024
7d5b8fe
Update statedb.go
rjl493456442 Jun 4, 2024
0014eb6
Update statedb.go
rjl493456442 Jun 4, 2024
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13 changes: 13 additions & 0 deletions core/state/statedb.go
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Original file line number Diff line number Diff line change
Expand Up @@ -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)
}
}
}

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