Merge pull request #1671 from flicker-harmony/pr_tx_history_fix

fix storage instance and 0x address case

node/node_explorer.go

@@ -146,7 +146,10 @@ func (node *Node) commitBlockForExplorer(block *types.Block) {
 func (node *Node) GetTransactionsHistory(address string) ([]common.Hash, error) {
 	addressData := &explorer.Address{}
 	key := explorer.GetAddressKey(address)
-	bytes, err := explorer.GetStorageInstance(node.SelfPeer.IP, node.SelfPeer.Port, true).GetDB().Get([]byte(key))
+	bytes, err := explorer.GetStorageInstance(node.SelfPeer.IP, node.SelfPeer.Port, false).GetDB().Get([]byte(key))
+	if err != nil {
+		return make([]common.Hash, 0), nil
+	}
 	if err = rlp.DecodeBytes(bytes, &addressData); err != nil {
 		utils.Logger().Error().Err(err).Msg("[Explorer] Cannot convert address data from DB")
 		return nil, err