Last week an idea occurred to me – we have several demos that can be shown at conferences to customers etc. But a central feature is there have multiple web apps (each can shown in one tab of a browser). How could it be possible to make the transition from one persona to another more obvious – and interactive?? Demo-hats was born! Here’s the readme from the git repo. Why would I use this? You have a web application or…
Hyperledger Composer – Logging Many years ago there was an insect that caught in a relay. Time has moved on, but the successor to that insect still can make itself known! Logging though is more than about just finding the diagnostics to help squash the specific code bugs. It can be used to see operational performance issues, spot configuration mistakes, and gaining confidence in how the code is working. How does Hyperledger Composer go about it’s logging then? Firstly a…
Using Docker to help access Composer Cloud Wallets Within a cloud application, eg a nodejs app pushed to Cloud Foundary (other clouds are available) to access a Composer Smart Contract running on Hyperledger Fabric, then you need the ability to store the network cards in some location that’s not your laptop. Using the ‘Cloud wallets’ feature it’s quite easy to do this. You have the choice of S3, IBM Cloud Object Store, Cloudant, REDIS etc. To use one of these…