1 files changed, 15 insertions, 3 deletions
diff --git a/src/wallet/walletdb.h b/src/wallet/walletdb.h
index 71b0ff26db..5addd5c5c0 100644
--- a/src/wallet/walletdb.h
+++ b/src/wallet/walletdb.h
@@ -7,6 +7,7 @@
 #define BITCOIN_WALLET_WALLETDB_H
 
 #include "amount.h"
+#include "primitives/transaction.h"
 #include "wallet/db.h"
 #include "key.h"
 
@@ -40,7 +41,7 @@ enum DBErrors
     DB_NEED_REWRITE
 };
 
-/* simple hd chain data model */
+/* simple HD chain data model */
 class CHDChain
 {
 public:
@@ -72,9 +73,13 @@ public:
 class CKeyMetadata
 {
 public:
-    static const int CURRENT_VERSION=1;
+    static const int VERSION_BASIC=1;
+    static const int VERSION_WITH_HDDATA=10;
+    static const int CURRENT_VERSION=VERSION_WITH_HDDATA;
     int nVersion;
     int64_t nCreateTime; // 0 means unknown
+    std::string hdKeypath; //optional HD/bip32 keypath
+    CKeyID hdMasterKeyID; //id of the HD masterkey used to derive this key
 
     CKeyMetadata()
     {
@@ -82,7 +87,7 @@ public:
     }
     CKeyMetadata(int64_t nCreateTime_)
     {
-        nVersion = CKeyMetadata::CURRENT_VERSION;
+        SetNull();
         nCreateTime = nCreateTime_;
     }
 
@@ -93,12 +98,19 @@ public:
         READWRITE(this->nVersion);
         nVersion = this->nVersion;
         READWRITE(nCreateTime);
+        if (this->nVersion >= VERSION_WITH_HDDATA)
+        {
+            READWRITE(hdKeypath);
+            READWRITE(hdMasterKeyID);
+        }
     }
 
     void SetNull()
     {
         nVersion = CKeyMetadata::CURRENT_VERSION;
         nCreateTime = 0;
+        hdKeypath.clear();
+        hdMasterKeyID.SetNull();
     }
 };