From 85245f1e633d2894485b93af9ef2e414c656b962 Mon Sep 17 00:00:00 2001
From: Warren Togami <wtogami@gmail.com>
Date: Fri, 23 Jan 2015 01:40:05 -1000
Subject: [PATCH] Litecoin: Relay alerts prior to MIN_PEER_PROTO_VERSION
 disconnect

Otherwise the old client may fail to receive an alert saying they need to upgrade.
---
 src/main.cpp | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/src/main.cpp b/src/main.cpp
index 84dba3d82..5632485da 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -3287,6 +3287,12 @@ string GetWarnings(string strFor)
 }
 
 
+void static RelayAlerts(CNode* pfrom)
+{
+    LOCK(cs_mapAlerts);
+    BOOST_FOREACH(PAIRTYPE(const uint256, CAlert)& item, mapAlerts)
+        item.second.RelayTo(pfrom);
+}
 
 
 
@@ -3479,6 +3485,8 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
         vRecv >> pfrom->nVersion >> pfrom->nServices >> nTime >> addrMe;
         if (pfrom->nVersion < MIN_PEER_PROTO_VERSION)
         {
+            // relay alerts prior to disconnection
+            RelayAlerts(pfrom);
             // disconnect from peers older than this proto version
             LogPrintf("peer=%d using obsolete version %i; disconnecting\n", pfrom->id, pfrom->nVersion);
             pfrom->PushMessage("reject", strCommand, REJECT_OBSOLETE,
@@ -3560,11 +3568,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
         }
 
         // Relay alerts
-        {
-            LOCK(cs_mapAlerts);
-            BOOST_FOREACH(PAIRTYPE(const uint256, CAlert)& item, mapAlerts)
-                item.second.RelayTo(pfrom);
-        }
+        RelayAlerts(pfrom);
 
         pfrom->fSuccessfullyConnected = true;