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core: reduce lock contention in HasCanonicalTransaction

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Signed-off-by: Csaba Kiraly <csaba.kiraly@gmail.com>
This commit is contained in:
Csaba Kiraly 2025-11-30 00:27:42 +01:00
parent 259705a9e8
commit 8197ceef16
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1 changed files with 4 additions and 3 deletions
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7
core/blockchain_reader.go
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@ -328,13 +328,14 @@ func (bc *BlockChain) GetAncestor(hash common.Hash, number, ancestor uint64, max
// The cacheOnly flag restricts the check to the in-memory cache, avoiding database
// access altogether.
func (bc *BlockChain) HasCanonicalTransaction(hash common.Hash, cacheOnly bool) bool {
bc.txLookupLock.RLock()
defer bc.txLookupLock.RUnlock()
// Check in memory cache first
bc.txLookupLock.RLock()
if _, exist := bc.txLookupCache.Get(hash); exist {
bc.txLookupLock.RUnlock()
return true
}
bc.txLookupLock.RUnlock()
// Fallback to database lookup, without reading the transaction itself
if !cacheOnly && rawdb.HasCanonicalTransaction(bc.db, hash) {
return true