NetworkParameters params = TestNet3Params.get();
        String filePrefix = "forwarding-service";
        String dir = getFilesDir().getPath().toString();
        kit = new WalletAppKit(params, new File(dir), filePrefix) {
            @Override
            protected void onSetupCompleted() {
                // This is called in a background thread after startAndWait is called, as setting up various objects
                // can do disk and network IO that may cause UI jank/stuttering in wallet apps if it were to be done
                // on the main thread.


                if (wallet().getKeychainSize() < 1)
                    wallet().importKey(new ECKey());


            }
        };
        // Download the block chain and wait until it's done.
        kit.setAutoSave(true);
        kit.startAsync();
        kit.awaitRunning();