Examples with WebSocketService org.web3j.protocol.websocket.WebSocketService used on opensource projects

Example 1 with WebSocketService

use of org.web3j.protocol.websocket.WebSocketService in project besu by hyperledger.

the class BesuNode method nodeRequests.

private NodeRequests nodeRequests() {
    Optional<WebSocketService> websocketService = Optional.empty();
    if (nodeRequests == null) {
        final Web3jService web3jService;
        if (useWsForJsonRpc) {
            final String url = wsRpcBaseUrl().orElse("ws://" + LOCALHOST + ":" + 8546);
            final Map<String, String> headers = new HashMap<>();
            if (token != null) {
                headers.put("Authorization", "Bearer " + token);
            }
            final WebSocketClient wsClient = new WebSocketClient(URI.create(url), headers);
            web3jService = new WebSocketService(wsClient, false);
            try {
                ((WebSocketService) web3jService).connect();
            } catch (final ConnectException e) {
                throw new RuntimeException(e);
            }
            websocketService = Optional.of((WebSocketService) web3jService);
        } else {
            final String url = jsonRpcBaseUrl().orElse(HTTP + LOCALHOST + ":" + 8545);
            web3jService = new HttpService(url);
            if (token != null) {
                ((HttpService) web3jService).addHeader("Authorization", "Bearer " + token);
            }
        }
        final ConsensusType bftType = getGenesisConfig().map(gc -> gc.toLowerCase().contains("ibft") ? ConsensusType.IBFT2 : ConsensusType.QBFT).orElse(ConsensusType.IBFT2);
        nodeRequests = new NodeRequests(new JsonRpc2_0Web3j(web3jService, 2000, Async.defaultExecutorService()), new CliqueRequestFactory(web3jService), new BftRequestFactory(web3jService, bftType), new PermissioningJsonRpcRequestFactory(web3jService), new AdminRequestFactory(web3jService), new PrivacyRequestFactory(web3jService), new CustomRequestFactory(web3jService), new MinerRequestFactory(web3jService), new TxPoolRequestFactory(web3jService), websocketService, loginRequestFactory());
    }
    return nodeRequests;
}

Example 2 with WebSocketService

use of org.web3j.protocol.websocket.WebSocketService in project wuhanchain by BSN-DDC.

the class EventListenerByBlock method getBlockEventByListener.

/**
 * get block event
 *
 * @param startBlockNum blockNumber
 * @return ddc official contract event data
 * @throws Exception
 */
public void getBlockEventByListener(BigInteger startBlockNum, String wsUrl, Map<String, String> httpHeaders) {
    try {
        // webSocketClient
        WebSocketClient webSocketClient = new WebSocketClient(new URI(wsUrl), httpHeaders);
        WebSocketService webSocketService = new WebSocketService(webSocketClient, false);
        webSocketService.connect();
        web3j = Web3j.build(webSocketService);
        // ThreadPool
        executorService = new ThreadPoolExecutor(8, 8, 0L, TimeUnit.MILLISECONDS, new LinkedBlockingQueue<Runnable>(100000), new ThreadPoolExecutor.CallerRunsPolicy());
        // startBlock, endBlock, fullTransactionObjects
        subscribe = web3j.replayPastAndFutureBlocksFlowable(DefaultBlockParameter.valueOf(startBlockNum), true).doOnError(e -> logger.error("doOnError:" + e.getMessage())).subscribe(this::executeBlock, ex -> logger.error("subscribe:" + ex.getMessage()), () -> onCompleted());
        while (true) {
            if (subscriptions) {
                break;
            }
        }
    } catch (Exception e) {
        logger.error("analysisResult:" + e);
    }
}

Example 3 with WebSocketService

use of org.web3j.protocol.websocket.WebSocketService in project starcoin-search by starcoinorg.

the class SubscribeHandler method run.

@Override
public void run() {
    try {
        WebSocketService service = new WebSocketService("ws://" + seedHost + ":9870", true);
        service.connect();
        StarcoinSubscriber subscriber = new StarcoinSubscriber(service);
        Flowable<PendingTransactionNotification> flowableTxns = subscriber.newPendingTransactionsNotifications();
        TransactionRPCClient rpc = new TransactionRPCClient(new URL("http://" + seedHost + ":9850"));
        for (PendingTransactionNotification notifications : flowableTxns.blockingIterable()) {
            for (String notification : notifications.getParams().getResult()) {
                logger.info("notification: {}", notification);
                PendingTransaction transaction = rpc.getPendingTransaction(notification);
                elasticSearchHandler.savePendingTransaction(transaction);
            }
        }
    } catch (ConnectException | MalformedURLException | JSONRPC2SessionException e) {
        logger.error("handle subscribe exception:", e);
    }
}

Example 4 with WebSocketService

use of org.web3j.protocol.websocket.WebSocketService in project starcoin-java by starcoinorg.

the class SubscribeSample method main.

public static void main(String... args) throws ConnectException {
    WebSocketService service = new WebSocketService("ws://localhost:9870", true);
    service.connect();
    StarcoinSubscriber subscriber = new StarcoinSubscriber(service);
    EventFilter eventFilter = new EventFilter(0, "b75994d55eae88219dc57e7e62a11bc0");
    Flowable<EventNotification> flowableTxns = subscriber.newTxnSendRecvEventNotifications(eventFilter);
    for (EventNotification notification : flowableTxns.blockingIterable()) {
        System.out.println(notification.getParams().getResult().toString());
    }
}