From d44e87ff81e6c82246cf0bd957e1543e29c90bf0 Mon Sep 17 00:00:00 2001
From: fuwa <fuwa25519@protonmail.com>
Date: Fri, 27 Dec 2019 11:07:39 +0000
Subject: [PATCH] fix a null access on rpcView

---
 cyberwow/lib/controller/rpc/rpcView.dart | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/cyberwow/lib/controller/rpc/rpcView.dart b/cyberwow/lib/controller/rpc/rpcView.dart
index 7d80184..50977e1 100644
--- a/cyberwow/lib/controller/rpc/rpcView.dart
+++ b/cyberwow/lib/controller/rpc/rpcView.dart
@@ -162,7 +162,8 @@ Map<String, dynamic> getInfoView(Map<String, dynamic> x) {
     (k,v) => _remove.contains(k)
   );
 
-  final Map<String, double> _hashRate = {'hash_rate': _filteredInfo['difficulty'] / 300};
+  final int _difficulty = _filteredInfo['difficulty'] ?? 0;
+  final Map<String, double> _hashRate = {'hash_rate': _difficulty / 300};
   final Map<String, dynamic> _ammendedInfo = {
     ..._filteredInfo,
     ..._hashRate,