From 5e7ab16d29ac66a5a5753dd4f59b6fb12e60654e Mon Sep 17 00:00:00 2001
From: Pieter Wuille <pieter.wuille@gmail.com>
Date: Sat, 26 Mar 2016 13:31:25 +0100
Subject: [PATCH] Only store and connect to NODE_NETWORK nodes

---
 src/main.cpp | 3 +++
 src/net.cpp  | 4 ++++
 2 files changed, 7 insertions(+)

diff --git a/src/main.cpp b/src/main.cpp
index 7818056d2..bcaf095ab 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -4785,6 +4785,9 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
         {
             boost::this_thread::interruption_point();
 
+            if (!(addr.nServices & NODE_NETWORK))
+                continue;
+
             if (addr.nTime <= 100000000 || addr.nTime > nNow + 10 * 60)
                 addr.nTime = nNow - 5 * 24 * 60 * 60;
             pfrom->AddAddressKnown(addr);
diff --git a/src/net.cpp b/src/net.cpp
index a0c2bd509..395e1fe42 100644
--- a/src/net.cpp
+++ b/src/net.cpp
@@ -1596,6 +1596,10 @@ void ThreadOpenConnections()
             if (IsLimited(addr))
                 continue;
 
+            // only connect to full nodes
+            if (!(addr.nServices & NODE_NETWORK))
+                continue;
+
             // only consider very recently tried nodes after 30 failed attempts
             if (nANow - addr.nLastTry < 600 && nTries < 30)
                 continue;