April 2018
Intermediate to advanced
250 pages
5h 42m
English
Content preview from Docker for Serverless Applications
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How the WebHook uses the blockchain
We will regularly go back to the WebHook after discussing each component around it.
We already know how our blockchain and smart contracts work. They record mobile number registration, and maintain states of transfer transactions. In this section, we discuss how the WebHook function interacts with the blockchain. The following is the snippet from the WebHook function. The lookup method inside the function obtains the smart contract RegistrationRepository and then invokes findByTelNo() on the blockchain. The result is then available inside a transaction receipt. We check what kind of event is stored inside that receipt. If it is an RegistrationFound event, then this method returns a result object containing ...
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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.