Code cleanup, add edge case to ndf parsing

api/ndf_test.go

@@ -56,7 +56,6 @@ var ExampleJSON = `{"Timestamp": "2019-06-04T20:48:48-07:00", "gateways": [{"Add
 //	}
 //}
 
-
 // Tests that VerifyNDF() panics when given the incorrect RSA public key.
 func TestVerifyNDF_ErrPublicKey(t *testing.T) {
 	// Generate RSA private key and fake RSA public key

io/updateNdf.go

@@ -40,7 +40,7 @@ func PollNdf(currentDef *ndf.NetworkDefinition, comms *client.Comms) (*ndf.Netwo
 	}
 
 	//If there was no error and the response is nil, client's ndf is up-to-date
-	if response == nil {
+	if response == nil || response.Ndf == nil {
 		globals.Log.DEBUG.Printf("Client NDF up-to-date")
 		return nil, nil
 	}