core, trie: flush preimages to db on blockchain close (#25533)

* core, trie: flush preimages to db on database close

Co-authored-by: rjl493456442 <garyrong0905@gmail.com>

* rename Close to CommitPreimages for clarity

* core, trie: nitpick fixes

Co-authored-by: rjl493456442 <garyrong0905@gmail.com>
Co-authored-by: Péter Szilágyi <peterke@gmail.com>
pull/25539/head
Guillaume Ballet 2 years ago committed by GitHub
parent c4ab7d2291
commit 12185e40e0
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GPG Key ID: 4AEE18F83AFDEB23
  1. 4
      core/blockchain.go
  2. 13
      trie/database.go

@ -893,6 +893,10 @@ func (bc *BlockChain) Stop() {
log.Error("Dangling trie nodes after full cleanup")
}
}
// Flush the collected preimages to disk
if err := bc.stateCache.TrieDB().CommitPreimages(); err != nil {
log.Error("Failed to commit trie preimages", "err", err)
}
// Ensure all live cached entries be saved into disk, so that we can skip
// cache warmup when node restarts.
if bc.cacheConfig.TrieCleanJournal != "" {

@ -852,3 +852,16 @@ func (db *Database) SaveCachePeriodically(dir string, interval time.Duration, st
}
}
}
// CommitPreimages flushes the dangling preimages to disk. It is meant to be
// called when closing the blockchain object, so that preimages are persisted
// to the database.
func (db *Database) CommitPreimages() error {
db.lock.Lock()
defer db.lock.Unlock()
if db.preimages == nil {
return nil
}
return db.preimages.commit(true)
}

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