Category: Kotlin

Starting Flows with trackBy

Still continuing my trend of looking at Corda Services, I have some more tips to help your CorDapp work smoothly. This time around, we will focus on using trackBy to initiate Flows from inside a Service and the discrete problem that can arise if you are not careful. This should be a relatively short post ...

Asynchronous Flow invocations with Corda Services

How can I make my Flows faster? There's a good chance you have thought about this before if you have been working with Corda for a while. You can make reasonable tweaks to eke out performance improvements by changing a few things: transaction size, optimising queries and reducing the number of network hops required throughout ...

Corda Services 101

I'm in the mood to write a short and to the point post today. I'm actually curious how quickly I can get this published. So let's go. This post is about Corda Services (using Corda version 3.2). What are they? As a developer that uses Spring a lot, I would personally say they are like ...

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Streaming data out of a Corda node with Spring WebFlux

It's been a while since my last post but I'm finally back! Since I am still on my project, I will be writing about using Corda again. This time, rather than focusing on Corda, we'll look at using Spring with Corda. More specifically, Spring WebFlux. Why do this? One, because we can. Two, because it ...

Developing with Corda

In my last post I gave an overview of what Corda is trying to achieve and the design decisions that were made to do so. That information is great to know so we can get some perspective of the platform but it's not going to help us in writing a system that can leverage Corda. ...