Reduce chance of Commits in different views if a node restarts.

neo/Consensus/ConsensusService.cs

@@ -123,6 +123,11 @@ private void CheckExpectedView(byte viewNumber)
                         localNode.Tell(new LocalNode.SendDirectly { Inventory = context.MakeChangeView(viewNumber) });
                 }
                 InitializeConsensus(viewNumber);
+                // Save View Change without Transactions for restoring after a restart.
+                var savedTransactions = context.Transactions;
+                context.Transactions = null;
+                context.Save();
+                context.Transactions = savedTransactions;
             }
         }
 
@@ -491,10 +496,11 @@ private void OnStart(Start options)
                     return;
                 }
             }
-            InitializeConsensus(0);
-            // Issue a ChangeView with NewViewNumber of 0 to request recovery messages on start-up.
+            InitializeConsensus(context.ViewNumber);
+
+            // Issue a ChangeView with NewViewNumber of context.ViewNumber to request recovery messages on start-up.
             if (!context.WatchOnly())
-                SendChangeViewToRequestRecovery(0);
+                SendChangeViewToRequestRecovery(context.ViewNumber);
         }
 
         private void OnTimer(Timer timer)