Java Code Examples for org.hyperledger.fabric.sdk.TransactionProposalRequest#setChaincodeID()
The following examples show how to use
org.hyperledger.fabric.sdk.TransactionProposalRequest#setChaincodeID() .
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Example 1
| Source File: FabricSDKWrapper.java From WeEvent with Apache License 2.0 | 4 votes |
|
public static TransactionInfo executeTransaction(HFClient client, Channel channel, ChaincodeID chaincodeID, boolean invoke, String func,
Long transactionTimeout, String... args) throws InvalidArgumentException, ProposalException, InterruptedException, ExecutionException, TimeoutException {
TransactionProposalRequest transactionProposalRequest = client.newTransactionProposalRequest();
transactionProposalRequest.setChaincodeID(chaincodeID);
transactionProposalRequest.setChaincodeLanguage(TransactionRequest.Type.GO_LANG);
transactionProposalRequest.setFcn(func);
transactionProposalRequest.setArgs(args);
transactionProposalRequest.setProposalWaitTime(120000);
List<ProposalResponse> successful = new LinkedList<>();
List<ProposalResponse> failed = new LinkedList<>();
// there is no need to retry. If not, you should re-send the transaction proposal.
Collection<ProposalResponse> transactionPropResp = channel.sendTransactionProposal(transactionProposalRequest);
TransactionInfo transactionInfo = new TransactionInfo();
boolean result = true;
for (ProposalResponse response : transactionPropResp) {
if (response.getStatus() == ProposalResponse.Status.SUCCESS) {
transactionInfo.setCode(ErrorCode.SUCCESS.getCode());
transactionInfo.setPayLoad(new String(response.getChaincodeActionResponsePayload()));
log.info("[√] Got success response from peer:{} , payload:{}", response.getPeer().getName(), transactionInfo.getPayLoad());
successful.add(response);
} else {
result = false;
transactionInfo.setCode(ErrorCode.FABRICSDK_CHAINCODE_INVOKE_FAILED.getCode());
transactionInfo.setMessage(response.getMessage());
String status = response.getStatus().toString();
log.error("[×] Got failed response from peer:{}, status:{}, error message:{}", response.getPeer().getName(), status, transactionInfo.getMessage());
failed.add(response);
}
}
if (invoke && result) {
log.info("Sending transaction to orderers...");
CompletableFuture<BlockEvent.TransactionEvent> carfuture = channel.sendTransaction(successful);
BlockEvent.TransactionEvent transactionEvent = carfuture.get(transactionTimeout, TimeUnit.MILLISECONDS);
transactionInfo.setBlockNumber(transactionEvent.getBlockEvent().getBlockNumber());
log.info("Wait event return: " + transactionEvent.getChannelId() + " " + transactionEvent.getTransactionID() + " " + transactionEvent.getType() + " " + transactionEvent.getValidationCode());
}
return transactionInfo;
}
Example 2
| Source File: FabricSDKWrapper.java From WeEvent with Apache License 2.0 | 4 votes |
|
public static CompletableFuture<TransactionInfo> executeTransactionAsync(HFClient client, Channel channel, ChaincodeID chaincodeID, boolean invoke, String func,
String... args) throws InvalidArgumentException, ProposalException {
TransactionProposalRequest transactionProposalRequest = client.newTransactionProposalRequest();
transactionProposalRequest.setChaincodeID(chaincodeID);
transactionProposalRequest.setChaincodeLanguage(TransactionRequest.Type.GO_LANG);
transactionProposalRequest.setFcn(func);
transactionProposalRequest.setArgs(args);
transactionProposalRequest.setProposalWaitTime(120000);
List<ProposalResponse> successful = new LinkedList<>();
List<ProposalResponse> failed = new LinkedList<>();
// there is no need to retry. If not, you should re-send the transaction proposal.
Collection<ProposalResponse> transactionPropResp = channel.sendTransactionProposal(transactionProposalRequest);
TransactionInfo transactionInfo = new TransactionInfo();
boolean result = true;
for (ProposalResponse response : transactionPropResp) {
if (response.getStatus() == ProposalResponse.Status.SUCCESS) {
transactionInfo.setCode(ErrorCode.SUCCESS.getCode());
transactionInfo.setPayLoad(new String(response.getChaincodeActionResponsePayload()));
log.info("[√] Got success response from peer:{} , payload:{}", response.getPeer().getName(), transactionInfo.getPayLoad());
successful.add(response);
} else {
result = false;
transactionInfo.setCode(ErrorCode.FABRICSDK_CHAINCODE_INVOKE_FAILED.getCode());
transactionInfo.setMessage(response.getMessage());
String status = response.getStatus().toString();
log.error("[×] Got failed response from peer:{}, status:{}, error message:{}", response.getPeer().getName(), status, transactionInfo.getMessage());
failed.add(response);
}
}
if (invoke && result) {
log.info("Sending transaction to orders...");
return channel.sendTransaction(successful).thenApply(
(transactionEvent) -> {
log.info("Wait event return: {} {} {} {}",
transactionEvent.getChannelId(),
transactionEvent.getTransactionID(),
transactionEvent.getType(),
transactionEvent.getValidationCode());
transactionInfo.setBlockNumber(transactionEvent.getBlockEvent().getBlockNumber());
return transactionInfo;
});
}
CompletableFuture<TransactionInfo> completableFuture = new CompletableFuture<>();
completableFuture.complete(transactionInfo);
return completableFuture;
}
Example 3
| Source File: ChaincodeManager.java From fabric-net-server with Apache License 2.0 | 4 votes |
|
/**
* 执行智能合约
*
* @param fcn
* 方法名
* @param args
* 参数数组
* @return
* @throws InvalidArgumentException
* @throws ProposalException
* @throws InterruptedException
* @throws ExecutionException
* @throws TimeoutException
* @throws IOException
* @throws TransactionException
* @throws CryptoException
* @throws InvalidKeySpecException
* @throws NoSuchProviderException
* @throws NoSuchAlgorithmException
*/
public Map<String, String> invoke(String fcn, String[] args)
throws InvalidArgumentException, ProposalException, InterruptedException, ExecutionException, TimeoutException, NoSuchAlgorithmException, NoSuchProviderException, InvalidKeySpecException, CryptoException, TransactionException, IOException {
Map<String, String> resultMap = new HashMap<>();
Collection<ProposalResponse> successful = new LinkedList<>();
Collection<ProposalResponse> failed = new LinkedList<>();
/// Send transaction proposal to all peers
TransactionProposalRequest transactionProposalRequest = client.newTransactionProposalRequest();
transactionProposalRequest.setChaincodeID(chaincodeID);
transactionProposalRequest.setFcn(fcn);
transactionProposalRequest.setArgs(args);
Map<String, byte[]> tm2 = new HashMap<>();
tm2.put("HyperLedgerFabric", "TransactionProposalRequest:JavaSDK".getBytes(UTF_8));
tm2.put("method", "TransactionProposalRequest".getBytes(UTF_8));
tm2.put("result", ":)".getBytes(UTF_8));
transactionProposalRequest.setTransientMap(tm2);
long currentStart = System.currentTimeMillis();
Collection<ProposalResponse> transactionPropResp = channel.sendTransactionProposal(transactionProposalRequest, channel.getPeers());
for (ProposalResponse response : transactionPropResp) {
if (response.getStatus() == ProposalResponse.Status.SUCCESS) {
successful.add(response);
} else {
failed.add(response);
}
}
log.info("channel send transaction proposal time = " + ( System.currentTimeMillis() - currentStart));
Collection<Set<ProposalResponse>> proposalConsistencySets = SDKUtils.getProposalConsistencySets(transactionPropResp);
if (proposalConsistencySets.size() != 1) {
log.error("Expected only one set of consistent proposal responses but got " + proposalConsistencySets.size());
}
if (failed.size() > 0) {
ProposalResponse firstTransactionProposalResponse = failed.iterator().next();
log.error("Not enough endorsers for inspect:" + failed.size() + " endorser error: " + firstTransactionProposalResponse.getMessage() + ". Was verified: "
+ firstTransactionProposalResponse.isVerified());
resultMap.put("code", "error");
resultMap.put("data", firstTransactionProposalResponse.getMessage());
return resultMap;
} else {
log.info("Successfully received transaction proposal responses.");
ProposalResponse resp = transactionPropResp.iterator().next();
log.debug("TransactionID: " + resp.getTransactionID());
byte[] x = resp.getChaincodeActionResponsePayload();
String resultAsString = null;
if (x != null) {
resultAsString = new String(x, "UTF-8");
}
log.info("resultAsString = " + resultAsString);
channel.sendTransaction(successful);
resultMap.put("code", "success");
resultMap.put("data", resultAsString);
resultMap.put("txid", resp.getTransactionID());
return resultMap;
}
// channel.sendTransaction(successful).thenApply(transactionEvent -> {
// if (transactionEvent.isValid()) {
// log.info("Successfully send transaction proposal to orderer. Transaction ID: " + transactionEvent.getTransactionID());
// } else {
// log.info("Failed to send transaction proposal to orderer");
// }
// // chain.shutdown(true);
// return transactionEvent.getTransactionID();
// }).get(chaincode.getInvokeWatiTime(), TimeUnit.SECONDS);
}
Example 4
| Source File: InvokeChaincode.java From blockchain-application-using-fabric-java-sdk with Apache License 2.0 | 4 votes |
|
public static void main(String args[]) {
try {
Util.cleanUp();
String caUrl = Config.CA_ORG1_URL;
CAClient caClient = new CAClient(caUrl, null);
// Enroll Admin to Org1MSP
UserContext adminUserContext = new UserContext();
adminUserContext.setName(Config.ADMIN);
adminUserContext.setAffiliation(Config.ORG1);
adminUserContext.setMspId(Config.ORG1_MSP);
caClient.setAdminUserContext(adminUserContext);
adminUserContext = caClient.enrollAdminUser(Config.ADMIN, Config.ADMIN_PASSWORD);
FabricClient fabClient = new FabricClient(adminUserContext);
ChannelClient channelClient = fabClient.createChannelClient(Config.CHANNEL_NAME);
Channel channel = channelClient.getChannel();
Peer peer = fabClient.getInstance().newPeer(Config.ORG1_PEER_0, Config.ORG1_PEER_0_URL);
EventHub eventHub = fabClient.getInstance().newEventHub("eventhub01", "grpc://localhost:7053");
Orderer orderer = fabClient.getInstance().newOrderer(Config.ORDERER_NAME, Config.ORDERER_URL);
channel.addPeer(peer);
channel.addEventHub(eventHub);
channel.addOrderer(orderer);
channel.initialize();
TransactionProposalRequest request = fabClient.getInstance().newTransactionProposalRequest();
ChaincodeID ccid = ChaincodeID.newBuilder().setName(Config.CHAINCODE_1_NAME).build();
request.setChaincodeID(ccid);
request.setFcn("createCar");
String[] arguments = { "CAR1", "Chevy", "Volt", "Red", "Nick" };
request.setArgs(arguments);
request.setProposalWaitTime(1000);
Map<String, byte[]> tm2 = new HashMap<>();
tm2.put("HyperLedgerFabric", "TransactionProposalRequest:JavaSDK".getBytes(UTF_8));
tm2.put("method", "TransactionProposalRequest".getBytes(UTF_8));
tm2.put("result", ":)".getBytes(UTF_8));
tm2.put(EXPECTED_EVENT_NAME, EXPECTED_EVENT_DATA);
request.setTransientMap(tm2);
Collection<ProposalResponse> responses = channelClient.sendTransactionProposal(request);
for (ProposalResponse res: responses) {
Status status = res.getStatus();
Logger.getLogger(InvokeChaincode.class.getName()).log(Level.INFO,"Invoked createCar on "+Config.CHAINCODE_1_NAME + ". Status - " + status);
}
} catch (Exception e) {
e.printStackTrace();
}
}
Example 5
| Source File: PrivateDataIT.java From fabric-sdk-java with Apache License 2.0 | 4 votes |
|
CompletableFuture<BlockEvent.TransactionEvent> setAmount(HFClient client, Channel channel, ChaincodeID chaincodeID, int delta, User user) {
try {
Collection<ProposalResponse> successful = new LinkedList<>();
Collection<ProposalResponse> failed = new LinkedList<>();
///////////////
/// Send transaction proposal to all peers
TransactionProposalRequest transactionProposalRequest = client.newTransactionProposalRequest();
transactionProposalRequest.setChaincodeID(chaincodeID);
transactionProposalRequest.setFcn("set");
Map<String, byte[]> transientMap = new HashMap<>();
transientMap.put("A", "a".getBytes(UTF_8)); // test using bytes as args. End2end uses Strings.
transientMap.put("AVal", "500".getBytes(UTF_8));
transientMap.put("B", "b".getBytes(UTF_8));
String arg3 = "" + (200 + delta);
transientMap.put("BVal", arg3.getBytes(UTF_8));
transactionProposalRequest.setTransientMap(transientMap);
transactionProposalRequest.setProposalWaitTime(testConfig.getProposalWaitTime());
if (user != null) { // specific user use that
transactionProposalRequest.setUserContext(user);
}
Collection<ProposalResponse> invokePropResp = channel.sendTransactionProposal(transactionProposalRequest);
for (ProposalResponse response : invokePropResp) {
if (response.getStatus() == Status.SUCCESS) {
out("Successful transaction proposal response Txid: %s from peer %s", response.getTransactionID(), response.getPeer().getName());
successful.add(response);
} else {
failed.add(response);
}
}
out("Received %d transaction proposal responses for setAmount. Successful+verified: %d . Failed: %d",
invokePropResp.size(), successful.size(), failed.size());
if (failed.size() > 0) {
ProposalResponse firstTransactionProposalResponse = failed.iterator().next();
throw new ProposalException(format("Not enough endorsers for set(move a,b,%s):%d endorser error:%s. Was verified:%b",
0, firstTransactionProposalResponse.getStatus().getStatus(), firstTransactionProposalResponse.getMessage(), firstTransactionProposalResponse.isVerified()));
}
out("Successfully received transaction proposal responses for setAmount. Now sending to orderer.");
////////////////////////////
// Send transaction to orderer
if (user != null) {
return channel.sendTransaction(successful, user);
}
return channel.sendTransaction(successful);
} catch (Exception e) {
throw new CompletionException(e);
}
}
