From d0a627a53aa8cc5cd190f54c95b888dff88a4d37 Mon Sep 17 00:00:00 2001
From: Jonas Schnelli <dev@jonasschnelli.ch>
Date: Mon, 16 Jan 2017 11:10:12 +0100
Subject: [PATCH] Fix issue where CDataStream->nVersion was taken a CKeyPool
 record version

---
 src/wallet/wallet.cpp |  1 +
 src/wallet/wallet.h   | 15 ++++++++++-----
 2 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp
index 9c51723664..488e6690cf 100644
--- a/src/wallet/wallet.cpp
+++ b/src/wallet/wallet.cpp
@@ -3933,6 +3933,7 @@ bool CWallet::BackupWallet(const std::string& strDest)
 CKeyPool::CKeyPool()
 {
     nTime = GetTime();
+    fInternal = false;
 }
 
 CKeyPool::CKeyPool(const CPubKey& vchPubKeyIn, bool internalIn)
diff --git a/src/wallet/wallet.h b/src/wallet/wallet.h
index bf6c5a2a87..d93830f085 100644
--- a/src/wallet/wallet.h
+++ b/src/wallet/wallet.h
@@ -114,12 +114,17 @@ public:
             READWRITE(nVersion);
         READWRITE(nTime);
         READWRITE(vchPubKey);
-        if (nVersion >= FEATURE_HD_SPLIT)
-            READWRITE(fInternal);
-        else
-        {
-            if (ser_action.ForRead())
+        if (ser_action.ForRead()) {
+            try {
+                READWRITE(fInternal);
+            }
+            catch (...) {
+                /* flag as external address if we can't read the internal boolean */
                 fInternal = false;
+            }
+        }
+        else {
+            READWRITE(fInternal);
         }
     }
 };