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/iterator.go
+++ b/trie/iterator.go
@ -181,6 +181,8 @@ func (it *nodeIterator) LeafProof() [][]byte {
 	if len(it.stack) > 0 {
 		if _, ok := it.stack[len(it.stack)-1].node.(valueNode); ok {
 			hasher := newHasher(0, 0, nil)
+			defer returnHasherToPool(hasher)
+
 			proofs := make([][]byte, 0, len(it.stack))

 			for i, item := range it.stack[:len(it.stack)-1] {