Revert "trie: make fullnode children hash calculation concurrently (#15131)" (#15889)

This reverts commit 0f7fbb85d6.
2018-01-15 15:32:14 +02:00
parent 18a7d31338
commit 216e584899
3 changed files with 32 additions and 88 deletions
--- a/trie/secure_trie.go
+++ b/trie/secure_trie.go
@ -199,10 +199,10 @@ func (t *SecureTrie) secKey(key []byte) []byte {
 // invalid on the next call to hashKey or secKey.
 func (t *SecureTrie) hashKey(key []byte) []byte {
 	h := newHasher(0, 0)
-	calculator := h.newCalculator()
-	calculator.sha.Write(key)
-	buf := calculator.sha.Sum(t.hashKeyBuf[:0])
-	h.returnCalculator(calculator)
+	h.sha.Reset()
+	h.sha.Write(key)
+	buf := h.sha.Sum(t.hashKeyBuf[:0])
+	returnHasherToPool(h)
 	return buf
 }