1 files changed, 5 insertions, 0 deletions
diff --git a/src/pubkey.h b/src/pubkey.h
index 59bf56395c..9c6c6b085e 100644
--- a/src/pubkey.h
+++ b/src/pubkey.h
@@ -70,6 +70,11 @@ private:
     }
 
 public:
+
+    bool static ValidSize(const std::vector<unsigned char> &vch) {
+      return vch.size() > 0 && GetLen(vch[0]) == vch.size();
+    }
+
     //! Construct an invalid public key.
     CPubKey()
     {