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How parse qccc response data in java-sdk #fabric-sdk-java
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Kumari Shweta
i am using the fabric-sdk-java 2.0 and trying to invoke the system chaincode `
qscc` GetBlockByNumber.But the response is not in readable format.How i can decode block in sdk java. byte[] result= contract.evaluateTransaction("getBlockByNumber","channel",6); Regards, Shweta |
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Em qua., 16 de mar. de 2022 às 09:42, Kumari Shweta via lists.hyperledger.org <kumari.shweta=hcl.com@...> escreveu: i am using the fabric-sdk-java 2.0 and trying to invoke the system chaincode ` --
David Reis |
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Sorry. Did you mean qscc. Just a moment. Em qua., 16 de mar. de 2022 às 13:41, David Faulstich <davidfdr@...> escreveu:
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David Reis |
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I did not find any easy sample to parse QSCC protobufs returns using java. But I think you may use the following directions:
As soon as possible I will try to decode qscc using java sdk just to see how it works. Today I use only javascript to decode protobufs from qscc. Good luck decoding qscc using java. Best regards. David Em qua., 16 de mar. de 2022 às 13:42, David Faulstich <davidfdr@...> escreveu:
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David Reis |
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Mark Lewis
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:
Common.Block block = Common.Block.parseFrom(result); |
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