From da5de012c35c677e2e7a43373951ba18b6749e9b Mon Sep 17 00:00:00 2001
From: Sheldon <11510383@mail.sustc.edu.cn>
Date: Tue, 12 Mar 2019 17:14:24 +0800
Subject: [PATCH] state: fix emptyStatet to emptyRoot (#19254)

---
 core/state/statedb.go | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/core/state/statedb.go b/core/state/statedb.go
index 8ad25a5824..3fc1d32714 100644
--- a/core/state/statedb.go
+++ b/core/state/statedb.go
@@ -37,8 +37,8 @@ type revision struct {
 }
 
 var (
-	// emptyState is the known hash of an empty state trie entry.
-	emptyState = crypto.Keccak256Hash(nil)
+	// emptyRoot is the known root hash of an empty trie.
+	emptyRoot = common.HexToHash("56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421")
 
 	// emptyCode is the known hash of the empty EVM bytecode.
 	emptyCode = crypto.Keccak256Hash(nil)
@@ -653,7 +653,7 @@ func (s *StateDB) Commit(deleteEmptyObjects bool) (root common.Hash, err error)
 		if err := rlp.DecodeBytes(leaf, &account); err != nil {
 			return nil
 		}
-		if account.Root != emptyState {
+		if account.Root != emptyRoot {
 			s.db.TrieDB().Reference(account.Root, parent)
 		}
 		code := common.BytesToHash(account.CodeHash)