Functional Modelling of Contractual Workflows in DAML • Andrae Muys • YOW! 2019

This presentation was recorded at YOW! 2019. #GOTOcon #YOW https://yowcon.com Andrae Muys - Technical Architect & Software Engineer at Digital Asset @etymon RESOURCES https://www.linkedin.com/in/andrae-muys-9552711 https://github.com/andrae-da https://twitter.com/etymon https://etymon.blogspot.com ABSTRACT The Australian Security Exchange (#ASX)'s #CHESS replacement will be one of the most institutionally significant deployments of pure #FP in the world. The CHESS settlement and registry system tracks the ownership of $1.5 trillion of the Australian economy on a daily basis. Its replacement is being developed by #DigitalAsset in #DAML, and is due for completion in 2021. Running on a distributed ledger technology (#DLT), DAML is a #SmartContract language inspired by #Haskell. It shares much of Haskell's pure core; however, it removes the infamous IO type, and instead provides a dedicated and restricted ledger-interaction type. This type, and the underlying ledger model it encapsulates, captures DAML's first-class control of authorisation and privacy. This presentation introduces the DLT architecture style. It will explain the strengths and weaknesses of DLT, especially when modelling contractual workflows. It will demonstrate the use of DAML language to implement multi-party workflows that include authorisation and privacy requirements on the DLT platform developed by Digital Asset. An attendee will come away with an understanding of how DLT is a distinct architectural style, a taste of DAML as a programming language, and an insight into the platform and language behind the highest profile functional programming project in Australia. [...] RECOMMENDED BOOKS Christian Clausen • Five Lines of Code • https://amzn.to/3s2zjyg Andy Oram & Greg Wilson • Beautiful Code • https://amzn.to/3DYDVeM Christian Mayer • The Art of Clean Code • https://amzn.to/3OwljaK Tom DeMarco & Tim Lister • Peopleware • https://amzn.to/3KJmFOq David Farley • Modern Software Engineering • https://amzn.to/3GI468M https://twitter.com/GOTOcon https://www.linkedin.com/company/goto- https://www.instagram.com/goto_con https://www.facebook.com/GOTOConferences #AndraeMuys #FunctionalProgramming #SoftwareEngineering #Programming #YOWcon Looking for a unique learning experience? Attend the next GOTO conference near you! Get your ticket at https://gotopia.tech Sign up for updates and specials at https://gotopia.tech/newsletter SUBSCRIBE TO OUR CHANNEL - new videos posted almost daily. https://www.youtube.com/user/GotoConferences/?sub_confirmation=1