CBitcoinSecret::SetString() now calls IsValid() to make sure it was passed something with the correct version.

src/base58.h

@@ -396,6 +396,16 @@ public:
         return fExpectTestNet == fTestNet && (vchData.size() == 32 || (vchData.size() == 33 && vchData[32] == 1));
     }
 
+    bool SetString(const char* pszSecret)
+    {
+        return CBase58Data::SetString(pszSecret) && IsValid();
+    }
+
+    bool SetString(const std::string& strSecret)
+    {
+        return SetString(strSecret.c_str());
+    }
+
     CBitcoinSecret(const CSecret& vchSecret, bool fCompressed)
     {
         SetSecret(vchSecret, fCompressed);