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July 2019

Invoking/executing rich query in Oracle Blockchain Platform (OBP)

Hyperledger blockchain ledger is storing data in Key-Value pairs. So, if to fetch the data from the ledger, we will pass the key. But do you know, we can query the ledger without the key aswell.Hyperledger blockchain is providing an option to query the ledger using a rich query. ChaincodeStub class has a method getQueryResult() which does this job. Please note…

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