Examples with HFClient org.hyperledger.fabric.sdk.HFClient used on opensource projects

Example 6 with HFClient

use of org.hyperledger.fabric.sdk.HFClient in project fabric-sdk-java by hyperledger.

the class NetworkConfigIT method deployChaincodeIfRequired.

// Determines whether or not the chaincode has been deployed and deploys it if necessary
private static void deployChaincodeIfRequired() throws Exception {
    // //////////////////////////
    // Setup client
    HFClient client = getTheClient();
    Channel channel = constructChannel(client, FOO_CHANNEL_NAME);
    // Use any old peer...
    Peer peer = channel.getPeers().iterator().next();
    if (!checkInstantiatedChaincode(channel, peer, CHAIN_CODE_NAME, CHAIN_CODE_PATH, CHAIN_CODE_VERSION)) {
        // The chaincode we require does not exist, so deploy it...
        deployChaincode(client, channel, CHAIN_CODE_NAME, CHAIN_CODE_PATH, CHAIN_CODE_VERSION);
    }
}

Example 7 with HFClient

use of org.hyperledger.fabric.sdk.HFClient in project fabric-sdk-java by hyperledger.

the class NetworkConfigIT method getTheClient.

// Returns a new client instance
private static HFClient getTheClient() throws Exception {
    HFClient client = HFClient.createNewInstance();
    client.setCryptoSuite(CryptoSuite.Factory.getCryptoSuite());
    User peerAdmin = getAdminUser(TEST_ORG);
    client.setUserContext(peerAdmin);
    return client;
}

Example 8 with HFClient

use of org.hyperledger.fabric.sdk.HFClient in project fabric-sdk-java by hyperledger.

the class NetworkConfigIT method testUpdate1.

@Test
public void testUpdate1() throws Exception {
    // Setup client and channel instances
    HFClient client = getTheClient();
    Channel channel = constructChannel(client, FOO_CHANNEL_NAME);
    final ChaincodeID chaincodeID = ChaincodeID.newBuilder().setName(CHAIN_CODE_NAME).setVersion(CHAIN_CODE_VERSION).setPath(CHAIN_CODE_PATH).build();
    final String channelName = channel.getName();
    out("Running testUpdate1 - Channel %s", channelName);
    int moveAmount = 5;
    String originalVal = queryChaincodeForCurrentValue(client, channel, chaincodeID);
    String newVal = "" + (Integer.parseInt(originalVal) + moveAmount);
    out("Original value = %s", originalVal);
    // Move some assets
    moveAmount(client, channel, chaincodeID, "a", "b", "" + moveAmount, null).thenApply(transactionEvent -> {
        // Check that they were moved
        queryChaincodeForExpectedValue(client, channel, newVal, chaincodeID);
        return null;
    }).thenApply(transactionEvent -> {
        // Move them back
        try {
            return moveAmount(client, channel, chaincodeID, "b", "a", "" + moveAmount, null).get(testConfig.getTransactionWaitTime(), TimeUnit.SECONDS);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }).thenApply(transactionEvent -> {
        // Check that they were moved back
        queryChaincodeForExpectedValue(client, channel, originalVal, chaincodeID);
        return null;
    }).exceptionally(e -> {
        if (e instanceof CompletionException && e.getCause() != null) {
            e = e.getCause();
        }
        if (e instanceof TransactionEventException) {
            BlockEvent.TransactionEvent te = ((TransactionEventException) e).getTransactionEvent();
            if (te != null) {
                e.printStackTrace(System.err);
                fail(format("Transaction with txid %s failed. %s", te.getTransactionID(), e.getMessage()));
            }
        }
        e.printStackTrace(System.err);
        fail(format("Test failed with %s exception %s", e.getClass().getName(), e.getMessage()));
        return null;
    }).get(testConfig.getTransactionWaitTime(), TimeUnit.SECONDS);
    // Force channel to shutdown clean up resources.
    channel.shutdown(true);
    out("testUpdate1 - done");
}