Saving transactions where only a subset of parties are signers
July 05, 2019It took a while for me to think of a title that could summarise the contents of this post without becoming a full sentence itself. I think I…
Kotlin primitive and object arrays
June 21, 2019I initially set out to write this post because I was playing around with some reflection code and thought I found something interesting…
Preventing invalid spending of broadcasted states
June 12, 2019Corda is super flexible and will allow you to put together the code needed to write many complex workflows. This flexibility does come with…
Broadcasting a transaction to external organisations
May 31, 2019There is a misconception that Corda cannot broadcast data across a network. This is simply wrong. In fact, Corda can send anything between…
Running a Kotlin class as a subprocess
May 25, 2019Last week I wrote a post on running a Java class as a subprocess . That post was triggered by my need to run a class from within a test…
Extending Flows to customise transaction validation
May 18, 2019Through the use of flow extension, nodes running the same CorDapp can include extra validation to ensure that a transaction meets their…
Running a Java class as a subprocess
May 17, 2019Running a Java class (not a jar) as a subprocess is something I needed to do this week. More precisely, I wanted to spawn a new process from…
Class delegation in Kotlin
May 09, 2019In software engineering, the delegation pattern is an object-oriented design pattern that allows object composition to achieve the same code…
Spring Data R2DBC for Microsoft SQL Server
May 07, 2019This post is the sibling of another blog post I wrote that focused on Spring Data R2DBC and Postgres . Hopefully, you read the title before…
Verifying a Contract with CSV data
May 05, 2019Attachments in Corda can be more than just PDFs sent along with a transaction. They can actually be used programmatically when running a…