public void TestUpdate1()
{
// Setup client and channel instances
HFClient client = GetTheClient();
Channel channel = ConstructChannel(client, FOO_CHANNEL_NAME);
ChaincodeID chaincodeID = new ChaincodeID().SetName(CHAIN_CODE_NAME).SetVersion(CHAIN_CODE_VERSION).SetPath(CHAIN_CODE_PATH);
string channelName = channel.Name;
Util.COut("Running testUpdate1 - Channel %s", channelName);
int moveAmount = 5;
string originalVal = QueryChaincodeForCurrentValue(client, channel, chaincodeID);
string newVal = "" + (int.Parse(originalVal) + moveAmount);
Util.COut("Original value = {0}", originalVal);
//user registered user
client.UserContext = orgRegisteredUsers.GetOrNull("Org1"); // only using org1
// Move some assets
try
{
MoveAmount(client, channel, chaincodeID, "a", "b", "" + moveAmount, null);
QueryChaincodeForExpectedValue(client, channel, newVal, chaincodeID);
MoveAmount(client, channel, chaincodeID, "b", "a", "" + moveAmount, null);
QueryChaincodeForExpectedValue(client, channel, originalVal, chaincodeID);
}
catch (TransactionEventException t)
{
TransactionEvent te = t.TransactionEvent;
if (te != null)
{
Assert.Fail($"Transaction with txid {te.TransactionID} failed. {t.Message}");
}
Assert.Fail($"Transaction failed with exception message {t.Message}");
}
catch (System.Exception e)
{
Assert.Fail($"Test failed with {e.GetType().Name} exception {e.Message}");
}
channel.Shutdown(true); // Force channel to shutdown clean up resources.
Util.COut("testUpdate1 - done");
Util.COut("That's all folks!");
}
// ReSharper disable once UnusedMethodReturnValue.Local
private static ChaincodeID DeployChaincode(HFClient client, Channel channel, string ccName, string ccPath, string ccVersion)
{
Util.COut("deployChaincode - enter");
ChaincodeID chaincodeID = null;
try
{
string channelName = channel.Name;
Util.COut("deployChaincode - channelName = " + channelName);
IReadOnlyList <Orderer> orderers = channel.Orderers;
List <ProposalResponse> responses;
List <ProposalResponse> successful = new List <ProposalResponse>();
List <ProposalResponse> failed = new List <ProposalResponse>();
chaincodeID = new ChaincodeID().SetName(ccName).SetVersion(ccVersion).SetPath(ccPath);
////////////////////////////
// Install Proposal Request
//
Util.COut("Creating install proposal");
InstallProposalRequest installProposalRequest = client.NewInstallProposalRequest();
installProposalRequest.SetChaincodeID(chaincodeID);
////For GO language and serving just a single user, chaincodeSource is mostly likely the users GOPATH
installProposalRequest.SetChaincodeSourceLocation(Path.Combine(TEST_FIXTURES_PATH, "sdkintegration/gocc/sample1").Locate());
installProposalRequest.SetChaincodeVersion(ccVersion);
Util.COut("Sending install proposal");
////////////////////////////
// only a client from the same org as the peer can issue an install request
int numInstallProposal = 0;
IReadOnlyList <Peer> peersFromOrg = channel.Peers;
numInstallProposal = numInstallProposal + peersFromOrg.Count;
responses = client.SendInstallProposal(installProposalRequest, peersFromOrg);
foreach (ProposalResponse response in responses)
{
if (response.Status == ChaincodeResponse.ChaincodeResponseStatus.SUCCESS)
{
Util.COut("Successful install proposal response Txid: {0} from peer {1}", response.TransactionID, response.Peer.Name);
successful.Add(response);
}
else
{
failed.Add(response);
}
}
Util.COut("Received {0} install proposal responses. Successful+verified: {1} . Failed: {2}", numInstallProposal, successful.Count, failed.Count);
if (failed.Count > 0)
{
ProposalResponse first = failed.First();
Assert.Fail($"Not enough endorsers for install : {successful.Count}. {first.Message}");
}
///////////////
//// Instantiate chaincode.
//
// From the docs:
// The instantiate transaction invokes the lifecycle System Chaincode (LSCC) to create and initialize a chaincode on a channel
// After being successfully instantiated, the chaincode enters the active state on the channel and is ready to process any transaction proposals of type ENDORSER_TRANSACTION
InstantiateProposalRequest instantiateProposalRequest = client.NewInstantiationProposalRequest();
instantiateProposalRequest.SetProposalWaitTime(testConfig.GetProposalWaitTime());
instantiateProposalRequest.SetChaincodeID(chaincodeID);
instantiateProposalRequest.SetFcn("init");
instantiateProposalRequest.SetArgs("a", "500", "b", "999");
Dictionary <string, byte[]> tm = new Dictionary <string, byte[]>();
tm.Add("HyperLedgerFabric", "InstantiateProposalRequest:JavaSDK".ToBytes());
tm.Add("method", "InstantiateProposalRequest".ToBytes());
instantiateProposalRequest.SetTransientMap(tm);
/*
* policy OR(Org1MSP.member, Org2MSP.member) meaning 1 signature from someone in either Org1 or Org2
* See README.md Chaincode endorsement policies section for more details.
*/
ChaincodeEndorsementPolicy chaincodeEndorsementPolicy = new ChaincodeEndorsementPolicy();
chaincodeEndorsementPolicy.FromYamlFile(Path.Combine(TEST_FIXTURES_PATH, "sdkintegration/chaincodeendorsementpolicy.yaml").Locate());
instantiateProposalRequest.SetChaincodeEndorsementPolicy(chaincodeEndorsementPolicy);
Util.COut("Sending instantiateProposalRequest to all peers...");
successful.Clear();
failed.Clear();
responses = channel.SendInstantiationProposal(instantiateProposalRequest);
foreach (ProposalResponse response in responses)
{
if (response.IsVerified && response.Status == ChaincodeResponse.ChaincodeResponseStatus.SUCCESS)
{
successful.Add(response);
Util.COut("Succesful instantiate proposal response Txid:{0} from peer {1}", response.TransactionID, response.Peer.Name);
}
else
{
failed.Add(response);
}
}
Util.COut("Received {0} instantiate proposal responses. Successful+verified: {1} . Failed: {2}", responses.Count, successful.Count, failed.Count);
if (failed.Count > 0)
{
ProposalResponse first = failed.First();
Assert.Fail($"Not enough endorsers for instantiate :{successful.Count} endorser failed with {first.Message}. Was verified:{first.IsVerified}");
}
///////////////
// Send instantiate transaction to orderer
Util.COut("Sending instantiateTransaction to orderer...");
Util.COut("calling get...");
TransactionEvent evnt = channel.SendTransaction(successful, orderers, 30 * 1000);
Util.COut("get done...");
Assert.IsTrue(evnt.IsValid); // must be valid to be here.
Util.COut("Finished instantiate transaction with transaction id {0}", evnt.TransactionID);
}
catch (System.Exception e)
{
Util.COut("Caught an exception running channel {0}", channel.Name);
Assert.Fail($"Test failed with error : {e.Message}");
}
return(chaincodeID);
}
// ReSharper disable once UnusedMethodReturnValue.Local
private static TransactionEvent MoveAmount(HFClient client, Channel channel, ChaincodeID chaincodeID, string from, string to, string moveAmount, IUser user)
{
List <ProposalResponse> successful = new List <ProposalResponse>();
List <ProposalResponse> failed = new List <ProposalResponse>();
///////////////
// Send transaction proposal to all peers
TransactionProposalRequest transactionProposalRequest = client.NewTransactionProposalRequest();
transactionProposalRequest.SetChaincodeID(chaincodeID);
transactionProposalRequest.SetFcn("move");
transactionProposalRequest.SetArgs(from, to, moveAmount);
transactionProposalRequest.SetProposalWaitTime(testConfig.GetProposalWaitTime());
if (user != null)
{
// specific user use that
transactionProposalRequest.SetUserContext(user);
}
Util.COut("sending transaction proposal to all peers with arguments: move(%s,%s,%s)", from, to, moveAmount);
List <ProposalResponse> invokePropResp = channel.SendTransactionProposal(transactionProposalRequest);
foreach (ProposalResponse response in invokePropResp)
{
if (response.Status == ChaincodeResponse.ChaincodeResponseStatus.SUCCESS)
{
Util.COut("Successful transaction proposal response Txid: {0} from peer {1}", response.TransactionID, response.Peer.Name);
successful.Add(response);
}
else
{
failed.Add(response);
}
}
// Check that all the proposals are consistent with each other. We should have only one set
// where all the proposals above are consistent.
List <HashSet <ProposalResponse> > proposalConsistencySets = SDKUtils.GetProposalConsistencySets(invokePropResp);
if (proposalConsistencySets.Count != 1)
{
Assert.Fail($"Expected only one set of consistent move proposal responses but got {proposalConsistencySets.Count}");
}
Util.COut("Received {0} transaction proposal responses. Successful+verified: {1} . Failed: {2}", invokePropResp.Count, successful.Count, failed.Count);
if (failed.Count > 0)
{
ProposalResponse firstTransactionProposalResponse = failed.First();
throw new ProposalException($"Not enough endorsers for invoke(move {from},{to},{moveAmount}):{firstTransactionProposalResponse.Status} endorser error:{firstTransactionProposalResponse.Message}. Was verified:{firstTransactionProposalResponse.IsVerified}");
}
Util.COut("Successfully received transaction proposal responses.");
////////////////////////////
// Send transaction to orderer
Util.COut("Sending chaincode transaction(move %s,%s,%s) to orderer.", from, to, moveAmount);
if (user != null)
{
return(channel.SendTransaction(successful, user, testConfig.GetTransactionWaitTime() * 1000));
}
return(channel.SendTransaction(successful, testConfig.GetTransactionWaitTime() * 1000));
}
// Returns the current value of b's assets
private static string QueryChaincodeForCurrentValue(HFClient client, Channel channel, ChaincodeID chaincodeID)
{
Util.COut("Now query chaincode on channel {0} for the current value of b", channel.Name);
QueryByChaincodeRequest queryByChaincodeRequest = client.NewQueryProposalRequest();
queryByChaincodeRequest.SetArgs("b");
queryByChaincodeRequest.SetFcn("query");
queryByChaincodeRequest.SetChaincodeID(chaincodeID);
List <ProposalResponse> queryProposals;
queryProposals = channel.QueryByChaincode(queryByChaincodeRequest);
string expect = null;
foreach (ProposalResponse proposalResponse in queryProposals)
{
if (!proposalResponse.IsVerified || proposalResponse.Status != ChaincodeResponse.ChaincodeResponseStatus.SUCCESS)
{
Assert.Fail($"Failed query proposal from peer {proposalResponse.Peer.Name} status: {proposalResponse.Status}. Messages: {proposalResponse.Message}. Was verified : {proposalResponse.IsVerified}");
}
else
{
string payload = proposalResponse.ProtoProposalResponse.Response.Payload.ToStringUtf8();
Util.COut("Query payload of b from peer {0} returned {1}", proposalResponse.Peer.Name, payload);
if (expect != null)
{
Assert.AreEqual(expect, payload);
}
else
{
expect = payload;
}
}
}
return(expect);
}
private static void QueryChaincodeForExpectedValue(HFClient client, Channel channel, string expect, ChaincodeID chaincodeID)
{
Util.COut("Now query chaincode on channel {0} for the value of b expecting to see: {1}", channel.Name, expect);
string value = QueryChaincodeForCurrentValue(client, channel, chaincodeID);
Assert.AreEqual(expect, value);
}
private void QueryChaincodeForExpectedValue(HFClient client, Channel channel, string expect, ChaincodeID chaincdeID)
{
Util.COut("Now query chaincode {0} on channel {1} for the value of b expecting to see: {2}", chaincdeID, channel.Name, expect);
QueryByChaincodeRequest queryByChaincodeRequest = client.NewQueryProposalRequest();
queryByChaincodeRequest.SetArgs("b".ToBytes()); // test using bytes as args. End2end uses Strings.
queryByChaincodeRequest.SetFcn("query");
queryByChaincodeRequest.ChaincodeID = chaincdeID;
List <ProposalResponse> queryProposals;
queryProposals = channel.QueryByChaincode(queryByChaincodeRequest);
foreach (ProposalResponse proposalResponse in queryProposals)
{
if (!proposalResponse.IsVerified || proposalResponse.Status != ChaincodeResponse.ChaincodeResponseStatus.SUCCESS)
{
Assert.Fail($"Failed query proposal from peer {proposalResponse.Peer.Name} status: {proposalResponse.Status}. Messages: {proposalResponse.Message}. Was verified : {proposalResponse.IsVerified}");
}
else
{
string payload = proposalResponse.ProtoProposalResponse.Response.Payload.ToStringUtf8();
Util.COut("Query payload of b from peer {0} returned {1}", proposalResponse.Peer.Name, payload);
Assert.AreEqual(expect, payload, $"Failed compare on channel {channel.Name} chaincode id {chaincdeID} expected value:'{expect}', but got:'{payload}'");
}
}
}
private TransactionEvent MoveAmount(HFClient client, Channel channel, ChaincodeID chaincdeID, string moveAmount, IUser user)
{
try
{
List <ProposalResponse> successful = new List <ProposalResponse>();
List <ProposalResponse> failed = new List <ProposalResponse>();
///////////////
// Send transaction proposal to all peers
TransactionProposalRequest transactionProposalRequest = client.NewTransactionProposalRequest();
transactionProposalRequest.ChaincodeID = chaincdeID;
transactionProposalRequest.Fcn = "move";
transactionProposalRequest.SetArgs( //test using bytes .. end2end uses Strings.
"a".ToBytes(), "b".ToBytes(), moveAmount.ToBytes());
transactionProposalRequest.ProposalWaitTime = testConfig.GetProposalWaitTime();
if (user != null)
{
// specific user use that
transactionProposalRequest.UserContext = user;
}
Util.COut("sending transaction proposal to all peers with arguments: move(a,b,{0})", moveAmount);
List <ProposalResponse> invokePropResp = channel.SendTransactionProposal(transactionProposalRequest);
foreach (ProposalResponse response in invokePropResp)
{
if (response.Status == ChaincodeResponse.ChaincodeResponseStatus.SUCCESS)
{
Util.COut("Successful transaction proposal response Txid: {0} from peer {1}", response.TransactionID, response.Peer.Name);
successful.Add(response);
}
else
{
failed.Add(response);
}
}
Util.COut("Received {0} transaction proposal responses. Successful+verified: {1} . Failed: {2}", invokePropResp.Count, successful.Count, failed.Count);
if (failed.Count > 0)
{
ProposalResponse firstTransactionProposalResponse = failed.First();
throw new ProposalException($"Not enough endorsers for invoke(move a,b,{moveAmount}):{firstTransactionProposalResponse.Status} endorser error:{firstTransactionProposalResponse.Message}. Was verified:{firstTransactionProposalResponse.IsVerified}x");
}
Util.COut("Successfully received transaction proposal responses.");
////////////////////////////
// Send transaction to orderer
Util.COut("Sending chaincode transaction(move a,b,{0}) to orderer.", moveAmount);
if (user != null)
{
return(channel.SendTransaction(successful, user, testConfig.GetTransactionWaitTime() * 1000));
}
return(channel.SendTransaction(successful, testConfig.GetTransactionWaitTime() * 1000));
}
catch (System.Exception)
{
throw new TaskCanceledException();
}
}