Examples with WitnessMessage com.github.dedis.popstellar.model.objects.WitnessMessage used on opensource projects

Example 6 with WitnessMessage

use of com.github.dedis.popstellar.model.objects.WitnessMessage in project popstellar by dedis.

the class RollCallHandlerTest method testHandleOpenRollCall.

@Test
public void testHandleOpenRollCall() throws DataHandlingException {
    // Create the open Roll Call message
    OpenRollCall openRollCall = new OpenRollCall(CREATE_LAO.getId(), rollCall.getId(), rollCall.getStart(), EventState.CREATED);
    MessageGeneral message = new MessageGeneral(SENDER_KEY, openRollCall, GSON);
    // Call the message handler
    messageHandler.handleMessage(laoRepository, messageSender, LAO_CHANNEL, message);
    // Check the Roll Call is present with state OPENED and the correct ID
    Optional<RollCall> rollCallOpt = laoRepository.getLaoByChannel(LAO_CHANNEL).getRollCall(openRollCall.getUpdateId());
    assertTrue(rollCallOpt.isPresent());
    assertEquals(EventState.OPENED, rollCallOpt.get().getState());
    assertEquals(openRollCall.getUpdateId(), rollCallOpt.get().getId());
    // Check the WitnessMessage has been created
    Optional<WitnessMessage> witnessMessage = laoRepository.getLaoByChannel(LAO_CHANNEL).getWitnessMessage(message.getMessageId());
    assertTrue(witnessMessage.isPresent());
    // Check the Witness message contains the expected title and description
    WitnessMessage expectedMessage = openRollCallWitnessMessage(message.getMessageId(), rollCallOpt.get());
    assertEquals(expectedMessage.getTitle(), witnessMessage.get().getTitle());
    assertEquals(expectedMessage.getDescription(), witnessMessage.get().getDescription());
}

Example 7 with WitnessMessage

use of com.github.dedis.popstellar.model.objects.WitnessMessage in project popstellar by dedis.

the class LaoDetailViewModel method signMessage.

public void signMessage(WitnessMessage witnessMessage) {
    Log.d(TAG, "signing message with ID " + witnessMessage.getMessageId());
    Lao lao = getCurrentLaoValue();
    if (lao == null) {
        Log.d(TAG, LAO_FAILURE_MESSAGE);
        return;
    }
    Channel channel = lao.getChannel();
    try {
        KeyPair mainKey = keyManager.getMainKeyPair();
        // generate the signature of the message
        Signature signature = mainKey.sign(witnessMessage.getMessageId());
        Log.d(TAG, PUBLISH_MESSAGE);
        WitnessMessageSignature signatureMessage = new WitnessMessageSignature(witnessMessage.getMessageId(), signature);
        disposables.add(networkManager.getMessageSender().publish(keyManager.getMainKeyPair(), channel, signatureMessage).subscribe(() -> Log.d(TAG, "Verifying the signature of  message  with id: " + witnessMessage.getMessageId()), error -> ErrorUtils.logAndShow(getApplication(), TAG, error, R.string.error_sign_message)));
    } catch (GeneralSecurityException e) {
        Log.d(TAG, PK_FAILURE_MESSAGE, e);
    }
}

Example 8 with WitnessMessage

use of com.github.dedis.popstellar.model.objects.WitnessMessage in project popstellar by dedis.

the class LaoHandler method handleUpdateLao.

/**
 * Process an UpdateLao message.
 *
 * @param context the HandlerContext of the message
 * @param updateLao the message that was received
 */
public static void handleUpdateLao(HandlerContext context, UpdateLao updateLao) throws DataHandlingException {
    LAORepository laoRepository = context.getLaoRepository();
    Channel channel = context.getChannel();
    MessageID messageId = context.getMessageId();
    Log.d(TAG, " Receive Update Lao Broadcast msg=" + updateLao);
    Lao lao = laoRepository.getLaoByChannel(channel);
    if (lao.getLastModified() > updateLao.getLastModified()) {
        // the current state we have is more up to date
        throw new DataHandlingException(updateLao, "The current Lao is more up to date than the update lao message");
    }
    WitnessMessage message;
    if (!updateLao.getName().equals(lao.getName())) {
        message = updateLaoNameWitnessMessage(messageId, updateLao, lao);
    } else if (!updateLao.getWitnesses().equals(lao.getWitnesses())) {
        message = updateLaoWitnessesWitnessMessage(messageId, updateLao, lao);
    } else {
        Log.d(TAG, "Cannot set the witness message title to update lao");
        throw new DataHandlingException(updateLao, "Cannot set the witness message title to update lao");
    }
    lao.updateWitnessMessage(messageId, message);
    if (!lao.getWitnesses().isEmpty()) {
        // We send a pending update only if there are already some witness that need to sign this
        // UpdateLao
        lao.getPendingUpdates().add(new PendingUpdate(updateLao.getLastModified(), messageId));
    }
    laoRepository.updateNodes(channel);
}

Example 9 with WitnessMessage

use of com.github.dedis.popstellar.model.objects.WitnessMessage in project popstellar by dedis.

the class LaoHandler method updateLaoWitnessesWitnessMessage.

public static WitnessMessage updateLaoWitnessesWitnessMessage(MessageID messageId, UpdateLao updateLao, Lao lao) {
    WitnessMessage message = new WitnessMessage(messageId);
    List<PublicKey> tempList = new ArrayList<>(updateLao.getWitnesses());
    message.setTitle("Update Lao Witnesses");
    message.setDescription("Lao Name : " + lao.getName() + "\n" + "Message ID : " + messageId + "\n" + "New Witness ID : " + tempList.get(tempList.size() - 1));
    return message;
}

Example 10 with WitnessMessage

use of com.github.dedis.popstellar.model.objects.WitnessMessage in project popstellar by dedis.

the class ElectionHandlerTest method testHandleElectionSetup.

@Test
public void testHandleElectionSetup() throws DataHandlingException {
    // Create the setup Election message
    ElectionSetup electionSetup = new ElectionSetup("election 2", election.getCreation(), election.getStartTimestamp(), election.getEndTimestamp(), Collections.singletonList(electionQuestion.getVotingMethod()), Collections.singletonList(electionQuestion.getWriteIn()), Collections.singletonList(electionQuestion.getBallotOptions()), Collections.singletonList(electionQuestion.getQuestion()), lao.getId());
    MessageGeneral message = new MessageGeneral(SENDER_KEY, electionSetup, GSON);
    // Call the message handler
    messageHandler.handleMessage(laoRepository, messageSender, LAO_CHANNEL, message);
    // Check the Election is present with state OPENED and the correct ID
    Optional<Election> electionOpt = laoRepository.getLaoByChannel(LAO_CHANNEL).getElection(electionSetup.getId());
    assertTrue(electionOpt.isPresent());
    assertEquals(EventState.OPENED, electionOpt.get().getState());
    assertEquals(electionSetup.getId(), electionOpt.get().getId());
    // Check the WitnessMessage has been created
    Optional<WitnessMessage> witnessMessage = laoRepository.getLaoByChannel(LAO_CHANNEL).getWitnessMessage(message.getMessageId());
    assertTrue(witnessMessage.isPresent());
    // Check the Witness message contains the expected title and description
    WitnessMessage expectedMessage = electionSetupWitnessMessage(message.getMessageId(), electionOpt.get());
    assertEquals(expectedMessage.getTitle(), witnessMessage.get().getTitle());
    assertEquals(expectedMessage.getDescription(), witnessMessage.get().getDescription());
}