The core server modules according to the DEX proposal are:

• Messaging and communication hub
  • JSON-RPC websocket client messaging
  • Interfacing with other DEX components that require sending and receiving messages or notifications.
  • Issue Communication Hub #6
• Order book managers. For a market, keep the book:
  • Insert and remove orders
  • Provide book stats like depth tables for charting
• Order matcher
  • Operates on (1) epoch queue and (2) order book to make matches for swap
  • Issue Matching Engine #5
• Swap executor
  • Coordinate clients from match to completed swap.
  • Issue Swap Executor #9
• Asset backends
  • Define an interface to be satisfied by all backends, and used by other components to interact with the assets.
  • For each asset, implement txn monitoring for swaps, fee payment, etc.
  • DCR: DCR Backend #3
  • BTC: BTC Backend #4