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worker: fix a trie prefetch corner case #3314

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Merged
zzzckck merged 1 commit into from
Aug 26, 2025
Merged

worker: fix a trie prefetch corner case #3314

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8 changes: 7 additions & 1 deletion miner/worker.go
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Original file line number Diff line number Diff line change
Expand Up @@ -705,8 +705,14 @@ func (w *worker) makeEnv(parent *types.Header, header *types.Header, coinbase co
} else {
if prevEnv == nil {
state.StartPrefetcher("miner", nil)
} else {
} else if prevEnv.header.Number.Uint64() == header.Number.Uint64() {
state.TransferPrefetcher(prevEnv.state)
} else {
// in some corner case, new block was just imported and preEnv was for the previous block
// in this case, the prefetcher can not be transferred
log.Debug("new block was just imported, start prefetcher from scratch",
"prev number", prevEnv.header.Number.Uint64(), "cur number", header.Number.Uint64())
state.StartPrefetcher("miner", nil)
}
}

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