Class delegation in Kotlin

In software engineering, the delegation pattern is an object-oriented design pattern that allows object composition to achieve the same code…

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Saving transactions where only a subset of parties are signers

It took a while for me to think of a title that could summarise the contents of this post without…

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Running a Java class as a subprocess

Running a Java class (not a jar) as a subprocess is something I needed to do this week. More precisely,…

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Extending Flows to customise transaction validation

Through the use of flow extension, nodes running the same CorDapp can include extra validation to ensure that a transaction…

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Running a Kotlin class as a subprocess

Last week I wrote a post on running a Java class as a subprocess. That post was triggered by my…

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Preventing invalid spending of broadcasted states

Corda is super flexible and will allow you to put together the code needed to write many complex workflows. This…

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Kotlin primitive and object arrays

I initially set out to write this post because I was playing around with some reflection code and thought I…

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Removing elements from a Map in Java

Very short and simple post on removing elements from a Map in Java. We will be focusing on removing multiple…

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Extending and Overriding Flows from external CorDapps

Corda 4 was released last week (21st Feb) bringing with it a ton of new features to make Corda more…

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