Roadmap to MVP

README.md

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+# Project Hermes
+
+CFD trading on Bitcoin.
+
+Coming soon.

docs/roadmap.md

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+# Hermes Roadmap
+
+## MVP
+
+The Minimal Viable Product's goal is to showcase that non-custidial CFD trading on Bitcoin is possible.
+
+## Scope
+
+### Roles
+
+- **Taker**: Cannot create and publish orders, but just takes what is published by a Maker
+- **Maker**: Can create and publish orders
+- **Oracle**: Signs and publishes attested prices at specific points in time
+
+### In scope
+
+For the MVP there is only one Maker that takes the selling side and creates sell orders.
+The maker does not do any automation.
+The maker dictates the price.
+
+A user is always in the role of a taker.
+The user has a simple user interface and can take the maker's order there.
+The taker can specify a quantity, the leverage is fixed to `x5`.
+For the MVP the leverage is fixed to `x5` for both sell and buy orders.
+The oracle is needed for attestation of prices at a certain point in time.
+The oracle is to be run by a separate party that is neither the taker nor the maker.
+
+Overview sequence diagram:
+
+![MVP sequence diagram](http://www.plantuml.com/plantuml/proxy?cache=no&src=https://raw.githubusercontent.com/comit-network/hermes/b7778f0556d1cbfd578aa28042beb24c7f13d5a3/docs/asset/mvp_sequence_diagram.puml)
+
+Constraints:
+
+♻️ ... expected to be reusable for later iterations
+
+- ♻️ Protocol: Non-custodial using DLCs
+  - On-chain (testnet)
+- Software Setup
+  - Taker
+    - Local running daemon that exposes API + web-interface for UI
+    - Can take a sell order (represents the buy side)
+      - Specify quantity
+      - (fixed leverage of `x5`)
+  - Maker
+    - Can create a sell order (represents the sell side)
+    - Sell order publication is done manually
+    - Take requests are accepted manually
+  - ♻️ Oracle
+
+Architecture recommendations
+
+- Maker and taker have different purpose / scope and hence should be separate binaries. 
+  - Code can be shared in e.g. UI components and rust libs
+
+### Out of scope
+
+- Anonymity
+- Orderbook
+- Multiple makers
+