October 2018
Intermediate to advanced
530 pages
14h 25m
English
Content preview from Blockchain across Oracle
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Reading asset data to check the current values
To be sure that all demo assets have been created, or to check what the data object of a certain asset contains, we can execute the second HTTP request in the collection. This HTTP request invokes the readAssetData transaction (chaincode function). In our case, the HTTP request retrieves (reads) the data from one of the Vehicle assets (registration number: JN6ND01S3GX194659).
Instead of calling the same REST proxy of Acme Services, we call the REST proxy of one of the other member organizations, such as emergency services, in order to demonstrate that the data is distributed to the other member organizations. The request will call the {{ErsProxyHost}}/bcsgw/rest/v1/transaction/invocation endpoint. ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.