From c46ec79cd314cffef7730001fbaf7bb85628673c Mon Sep 17 00:00:00 2001
From: Biesi Grr <grrbiesi@gmail.com>
Date: Wed, 18 Jul 2018 11:17:45 +0200
Subject: [PATCH] Fix for ThreeMammals/Rafty#15

---
 src/Rafty/Concensus/States/Leader.cs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/Rafty/Concensus/States/Leader.cs b/src/Rafty/Concensus/States/Leader.cs
index e63202b..62b691e 100644
--- a/src/Rafty/Concensus/States/Leader.cs
+++ b/src/Rafty/Concensus/States/Leader.cs
@@ -192,6 +192,12 @@ private async Task SendAppendEntries(int electionTimerId)
                     var nextIndex = new NextIndex(p, await _log.LastLogIndex());
                     PeerStates.Add(new PeerState(p, matchIndex, nextIndex));
                 });
+
+                var peerStatesNotInPeers = PeerStates.Where(p => !peers.Select(x => x.Id).Contains(p.Peer.Id)).ToList();
+                foreach (var peerState in peerStatesNotInPeers)
+                {
+                    PeerStates.Remove(peerState);
+                }
             }
 
             var appendEntriesResponses = SetUpAppendingEntries();