trie: return hasher to pool (#18116)

* trie: return hasher to pool * trie: minor code formatting fix
2018-11-16 10:50:48 +01:00
parent ffe2fc3bc4
commit 68be45e5f8
2 changed files with 4 additions and 0 deletions
--- a/trie/proof.go
+++ b/trie/proof.go
@ -66,6 +66,8 @@ func (t *Trie) Prove(key []byte, fromLevel uint, proofDb ethdb.Putter) error {
 		}
 	}
 	hasher := newHasher(0, 0, nil)
+	defer returnHasherToPool(hasher)
+	
 	for i, n := range nodes {
 		// Don't bother checking for errors here since hasher panics
 		// if encoding doesn't work and we're not writing to any database.