How do you obtain the transaction uuid after submitting an invoke transaction using the nodejs HFC

Question

I'm using the hyperledger HFC to send requests to the blockchain. How can I obtain the UUID of a transaction after submitting an invoke transaction using the SDK?

Answer 1

The results returned via the 'submitted' event contains the UUID of the transaction.

eg:

var tx = user.invoke(req);
tx.on('submitted', function (results) {
    console.log("uuid=%s", results.uuid);
});

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