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Making a new Transaction Family on Hyperledger Sawtooth with Docker

(Important Note: Conversational capabilities have been disabled on this article.  If you need to ask a question or comment, please find me elsewhere.) Are you excited to see what all the buzz is about regarding Hyperledger Sawtooth ?  Are you a fan of using Docker containers to conveniently test Sawtooth in an isolated and easily-deployable environment?  Then it probably won't be long before you want to run your own smart contract code beyond the basic examples provided to you. At the time of this writing, the Docker containers for Sawtooth only provide examples of smart contracts written in Python 3 -- no JavaScript nor Go containers are available from Sawtooth Lake.  As far as transaction processors , which are the entities that actually run the smart contract code, the only ones available as Docker containers from Sawtooth Lake are: sawtooth-settings-tp sawtooth-intkey-tp-python sawtooth-xo-tp-python "Settings" is required in any Sawtooth dep...

Journey to a Fully Custom Pinball Machine - Part 2

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From walking the show floor at Texas Pinball Fest 2016, I couldn't help but get the vibe that something novel and big would be in store for TPF 2017 -- something beyond the big but also typical/expected releases of commercial games such as The Big Lebowski and Ghostbusters  (more on those later), but in fact the ushering in of a new era: totally home-brew and open-source pinball.  As the re-themed games became more impressive from 2015 to 2016, and with easy access to leaning about hardware, fabrication techniques to develop new things and restore/renew/improve on old things, and a rejuvenated fascination with pinball in general, it was not surprising to me in the least that we would see someone totally knock it out of the park like Scott Danesi did at TPF 2017 with Total Nuclear Annihilation . However, just in case Scott wasn't there with his amazing game (for which I placed one of the pre-orders slated to ship sometime in 2018), I wanted to produce some work as well in or...