1 files changed, 14 insertions, 0 deletions
diff --git a/src/undo.h b/src/undo.h
index e6d8fd5862..1c4ed95bf2 100644
--- a/src/undo.h
+++ b/src/undo.h
@@ -68,4 +68,18 @@ public:
     }
 };
 
+/** Undo information for a CBlock */
+class CBlockUndo
+{
+public:
+    std::vector<CTxUndo> vtxundo; // for all but the coinbase
+
+    ADD_SERIALIZE_METHODS;
+
+    template <typename Stream, typename Operation>
+    inline void SerializationOp(Stream& s, Operation ser_action, int nType, int nVersion) {
+        READWRITE(vtxundo);
+    }
+};
+
 #endif // BITCOIN_UNDO_H