Creates a speciall error code for unexpected error

The rationale behind this is being able to identify exceptions that we may not be taking into account

pisa/errors.py

@@ -9,5 +9,7 @@ APPOINTMENT_WRONG_FIELD = -7
 APPOINTMENT_CIPHER_NOT_SUPPORTED = -8
 APPOINTMENT_HASH_FUNCTION_NOT_SUPPORTED = -9
 
+# UNHANDLED
+UNKNOWN_JSON_RPC_EXCEPTION = -99
 
 

pisa/inspector.py

@@ -48,6 +48,9 @@ class Inspector:
             if self.debug:
                 self.logging.error("[Inspector] JSONRPCException. Error code {}".format(e))
 
+            # In case of an unknown exception, assign a special rcode and reason.
+            r = (errors.UNKNOWN_JSON_RPC_EXCEPTION, "Unexpected error occurred")
+
         return r
 
     def check_locator(self, locator):