You asked the same question on how to extract a chaincode event from a block event last week. Here is the reply I gave you then: https://lists.hyperledger.org/g/fabric/message/11144

#fabric-sdk #fabric-sdk-java

I am getting blockdata in this way: BlockData tv=blockEvent.getBlock().getData(); I would like to parse this data.How to do that? I have to parse event contract event from this. Is it possible? I have

#fabric-sdk #fabric-sdk-java

You should be able to use evaluateTransaction() to invoke the GetChainInfo transaction function on the qscc system chaincode. The response will be a serialized BlockchainInfo protocol buffer object, w

#fabric-sdk-java

How can we get the block height using fabric sdk java?

#fabric-sdk-java

hello, when I was trying a query transaction via fabric sdk, I was getting this error: mychannel already exist This is coming because it is unable to read the details of the existing channel in the ne

#fabric-sdk-java

You haven't provided anywhere near enough detail of what you are actually doing (steps the code is taking that produce the problem) or what error is produced (stack trace) to be able to help.

#fabric-sdk-java

When I am trying to make a query using java sdk, I am getting an error like: mychannel already exists from gatewayImplementation class why this error is coming? why a query part is giving this error?

#fabric-sdk-java

How to subscribe and unsubscribe to the block events in fabric java sdk ?

#fabric-sdk-java

The ContractEvent (fabric-gateway-java) and ChaincodeEvent (Fabric Gateway client API) that get delivered to you by contract/chaincode event listening both have getPayload() methods. Similar to the va

#fabric-sdk-java

is it possible to extract this from the blockevent itself?

#fabric-sdk-java

data appears like this: \tassetTest\\022\\030\ \\026\ \\020\\000\\364\\217\\277\\277initialized\\022\\002\\b\\026\\022\\301\\001\ \\tassetTest\\022@612b449bdcc554261c663ba2bc67048ca74e3f6944a9f9b5ce6c

#fabric-sdk-java

You can add a chaincode / contract listener instead of a block listener and receive only the chaincode events. Use addContractListener() method on your Contract object: https://hyperledger.github.io/f

#fabric-sdk-java

In the chaincode,an event is emitted. In the blockdata from the blockevent listener,the event data is visible. Is it possible to extract just the event data from the blockdata?

#fabric-sdk-java

Hello, You can use the HLF Java SDK channel to register a chaincode event listener. So you can do something like: network.getChannel().registerChaincodeEventListener( <your params here>) ; You can fin

#fabric-sdk-java #fabric

hi, Is it possible to return the recorded blockevents in java sdk? I have attached a my java file. What modification do I have to do to return the blockevents in a readable format

#fabric-sdk-java #fabric

It looks like the client tried to make a service discovery call to a peer, either to obtain information about other network nodes or to obtain an endorsement plan for a given transaction invocation, b

#fabric-sdk-java

hi, when i was executing using java sdk,I got the following error: Results : Tests in error: testFabCar(org.example.ClientTest): org.hyperledger.fabric.sdk.exception.ServiceDiscoveryException: java.ut

#fabric-sdk-java

The BlockEvent itself has lots of helpful accessor methods to help you navigate to useful data within the block, so you should probably prefer those if they do what you need. getBlock() returns the Bl

#fabric-sdk-java

Hi All, How to decode the data from blocklistener? is it possible to decode the output from blockEvent.getBlock() ? Attaching the file for the reference

#fabric-sdk-java

It returns a serialised Block protocol buffer message (see implementation). You should be able to deserialise it using the compiled protobuf implementations packaged in fabric-sdk-java. Something like

#fabric-sdk-java