Examples with UpdateLao com.github.dedis.popstellar.model.network.method.message.data.lao.UpdateLao used on opensource projects

Example 1 with UpdateLao

use of com.github.dedis.popstellar.model.network.method.message.data.lao.UpdateLao in project popstellar by dedis.

the class LaoDetailViewModel method updateLaoName.

/**
 * Method to update the name of a Lao by sending an updateLao msg and a stateLao msg to the
 * backend
 */
public void updateLaoName() {
    Log.d(TAG, "Updating lao name to " + mLaoName.getValue());
    Lao lao = getCurrentLaoValue();
    Channel channel = lao.getChannel();
    KeyPair mainKey = keyManager.getMainKeyPair();
    long now = Instant.now().getEpochSecond();
    UpdateLao updateLao = new UpdateLao(mainKey.getPublicKey(), lao.getCreation(), mLaoName.getValue(), now, lao.getWitnesses());
    MessageGeneral msg = new MessageGeneral(mainKey, updateLao, gson);
    Disposable disposable = networkManager.getMessageSender().publish(channel, msg).subscribe(() -> {
        Log.d(TAG, "updated lao name");
        dispatchLaoUpdate("lao name", updateLao, lao, channel, msg);
    }, error -> ErrorUtils.logAndShow(getApplication(), TAG, error, R.string.error_update_lao));
    disposables.add(disposable);
}

Example 2 with UpdateLao

use of com.github.dedis.popstellar.model.network.method.message.data.lao.UpdateLao in project popstellar by dedis.

the class LaoDetailViewModel method updateLaoWitnesses.

/**
 * Method to update the list of witnesses of a Lao by sending an updateLao msg and a stateLao msg
 * to the backend
 */
public void updateLaoWitnesses() {
    Log.d(TAG, "Updating lao witnesses ");
    Lao lao = getCurrentLaoValue();
    if (lao == null) {
        Log.d(TAG, LAO_FAILURE_MESSAGE);
        return;
    }
    Channel channel = lao.getChannel();
    KeyPair mainKey = keyManager.getMainKeyPair();
    long now = Instant.now().getEpochSecond();
    UpdateLao updateLao = new UpdateLao(mainKey.getPublicKey(), lao.getCreation(), lao.getName(), now, witnesses);
    MessageGeneral msg = new MessageGeneral(mainKey, updateLao, gson);
    Disposable disposable = networkManager.getMessageSender().publish(channel, msg).subscribe(() -> {
        Log.d(TAG, "updated lao witnesses");
        dispatchLaoUpdate("lao state with new witnesses", updateLao, lao, channel, msg);
    }, error -> ErrorUtils.logAndShow(getApplication(), TAG, error, R.string.error_update_lao));
    disposables.add(disposable);
}

Example 3 with UpdateLao

use of com.github.dedis.popstellar.model.network.method.message.data.lao.UpdateLao 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 4 with UpdateLao

use of com.github.dedis.popstellar.model.network.method.message.data.lao.UpdateLao in project popstellar by dedis.

the class LaoDetailViewModel method dispatchLaoUpdate.

/**
 * Helper method for updateLaoWitnesses and updateLaoName to send a stateLao message
 */
private void dispatchLaoUpdate(String desc, UpdateLao updateLao, Lao lao, Channel channel, MessageGeneral msg) {
    StateLao stateLao = new StateLao(updateLao.getId(), updateLao.getName(), lao.getCreation(), updateLao.getLastModified(), lao.getOrganizer(), msg.getMessageId(), updateLao.getWitnesses(), new ArrayList<>());
    disposables.add(networkManager.getMessageSender().publish(keyManager.getMainKeyPair(), channel, stateLao).subscribe(() -> Log.d(TAG, "updated " + desc), error -> ErrorUtils.logAndShow(getApplication(), TAG, error, R.string.error_state_lao)));
}

Example 5 with UpdateLao

use of com.github.dedis.popstellar.model.network.method.message.data.lao.UpdateLao in project popstellar by dedis.

the class LaoHandlerTest method testHandleUpdateLao.

@Test
public void testHandleUpdateLao() throws DataHandlingException {
    // Create the update LAO message
    UpdateLao updateLao = new UpdateLao(SENDER, CREATE_LAO.getCreation(), "new name", Instant.now().getEpochSecond(), new HashSet<>());
    MessageGeneral message = new MessageGeneral(SENDER_KEY, updateLao, GSON);
    // Create the expected WitnessMessage
    WitnessMessage expectedMessage = updateLaoNameWitnessMessage(message.getMessageId(), updateLao, lao);
    // Call the message handler
    messageHandler.handleMessage(laoRepository, messageSender, LAO_CHANNEL, message);
    // Check the WitnessMessage has been created
    Optional<WitnessMessage> witnessMessage = laoRepository.getLaoByChannel(LAO_CHANNEL).getWitnessMessage(message.getMessageId());
    assertTrue(witnessMessage.isPresent());
    assertEquals(expectedMessage.getTitle(), witnessMessage.get().getTitle());
    assertEquals(expectedMessage.getDescription(), witnessMessage.get().getDescription());
}