Сhallenges
Collection of a noteworthy challenges that I did in the past.
Market Matching
https://github.com/aafa/matching
Market matching of incoming order requests (buy\sell). Transactional operations using scala-stm, stream-read from input data file with fs2.
Damgard-Jurik playground
https://github.com/aafa/djproduct
A Proof of a Product with Damgard-Jurik cryptosystem for message exchange. Using akka for messages exchange.
Christmas Vending Machine
https://github.com/aafa/vending (see demo https://aafa.github.io/vending/)
Christmas vending machine built with Diode's unidirectional data flow for event-based state updates. With a little bit of scala.js magic to make it more fun and easy to play with.
Smart elevators
https://github.com/aafa/smart-elevators (see demo https://aafa.github.io/smart-elevators/index.html)
Step-based elevator control system built with extensive usage of Monocle for property access. Scala.js ui for demo purposes.
Pawns!
https://github.com/aafa/pawns (see demo https://aafa.github.io/pawns/)
Having a pawn with a specific set of rules, find a path to visit all of the cells in a 10 by 10 chessboard.
Revolut
https://github.com/aafa/revolut
Bank accounts concurrent money transfers.
Markit
https://github.com/aafa/markit
Historical financial data processing in a pure reactive fashion built on top of fs2 streams