Here is an overview of the available pallets in HydraDX-node:
Asset registry provides the functionality to create, store and keep track of the existing assets on the chain.
Implementation of a Uniswap-like AMM model. More details.
HydraDX Omnipool implementation. More details.
Order matching implementation. More details.
Provides support to pay transaction fees in another currency than the native one. It is possible for a users to select in which currency they wish to pay the transactions fees.