Changelog

Stable DSS builds are tracked on the dss-stable branch with tags like dss-v1.3.0.

Release procedure

1. Create preparatory pull request (PR) into main branch of econia repo (like #653).
   1. Rebuild REST API docs.
   2. Bump changelog.
      1. Add new pull requests since last release:
         1. From econia repo.
         2. From processor submodule.
      2. Note if a hot upgrade is possible relative to the last release.
      3. Verify all new links by manually following them on a live local docs build.
      4. Run mdformat on changelog.
2. Tag main with an annotated release candidate tag like dss-v2.1.0-rc.1.
3. Merge main into dss-stable.
4. Push annotated tag to head of dss-stable.

v2.1.0 (hot upgradable)

Added

• Price level events over MQTT (disabled by default, enable by adding MQTT_PRICE_LEVELS=yes, see src/docker/example.env) (#753).
• /tickers endpoint optimizations (#729).
• Suspend and resume functionality for the DSS when deployed on GCP (#736).
• More details in aggregator logging (#738).
• Default support for the all liquidity group on all markets (#728).

Changed

• Fork base, to include upstream processor changes (#725, #744, Processor #24).

Fixed

• /tickers endpoint base_volume_nominal and quote_volume_nominal fields (#746, #749).
• Balance reporting for market account handles starting with 0x0 (#732, Processor #25).
• Liquidity calculation logic (#730).

Deprecated

• Market registration pipeline, an unused development stub that counted markets registered per day (#727).

v2.0.1 (hot upgradable)

Fixed

• MQTT order ID rounding (#719).

Added

• MQTT rebuild in hot upgrade script (#720).
• fees function (#717).
• MQTT over WebSockets support (#723).

v2.0.0

Added

• /fees endpoint and get_market_cumulative_fees function (#693).
• /prices endpoint (#697).
• /spreads endpoint (#700).
• base_volume_nominal and quote_volume_nominal fields in /tickers endpoint (#705).
• MQTT support (#702).
• /fees_24h endpoint (#708).
• Assorted Grafana configurations (#709, #711).

Fixed

• Empty transaction panics introduced by upstream gRPC changes (processor #23, #710).
• Quote escaping in Terraform scripts (#704, #706).

Changed

• Restructure Docker compose configuration files (#699, #701, #702).
• Refactor liquidity calculations with groups, less granularity, for performance (#703, #707).

Deprecated

• WebSockets support (#702).
• Unused indices from PostgreSQL database (#712).

v1.6.1

Fixed

• Processing of events that are not a struct type (#694, processor #22).

v1.6.0

Added

• Assorted CoinGecko endpoints (#675).
• Assorted TVL endpoints (#670, #674).
• Price conversion endpoint (#672).
• Assorted volume endpoints (#669, #682).
• Grafana annotation support (#667).

Changed

• Optimize /user_balances queries (#685, #688).
• Allow /coins endpoint to be queried from assorted PostgreSQL roles (#687, #688).
• Reduce aggregator memory consumption via batched operations (#688, #689).
• Make rolling volume a default pipeline (#683, #684).

v1.5.0

Added

• Optional rolling volume pipeline (#658, #663).
• Global order history snapshot pipeline (#658, #664).
• Health check endpoints (#651).
• Fees in /user_history endpoint (#650).
• Hot restart support (#657, #659).
• CI/CD Terraform project with walkthrough (#657).
• Automatic schema reloading for PostgREST (#661).
• Demo Grafana configuration (#657).

Changed

• Docker compose and processor config style, associated docs (#659, #665, #660).

v1.4.0

Added

• Add coins pipeline with APTOS_NETWORK environment variable, add coin fields to /markets endpoint (#624, #625).
• Add /user_balances endpoint (#641).
• Force local Docker compose services to wait for diesel completion (#644, #648).
• Function for getting /markets endpoint info when querying /user_balances endpoint (#645).
• Retry mechanism for serialized PostgreSQL transaction failure (#643, Processor #21).
• Sanitize event type address in processor (Processor #19, Processor #20).

Fixed

• Reverse migrations (#638).

Changed

• Refactor aggregator Dockerfile for APTOS_NETWORK environment variable, multi-stage build (#625).

v1.3.0

Added

• Add materialized view support for 24hr market price/volume fields.
• Add assorted market price/volume fields to /markets endpoint.
• Incorporate average execution price as a field in /orders endpoint.

v1.2.0

Breaking changes

• Remove /{limit,market,swap}_orders endpoints.
• Rename side to direction in /price_levels.

Important changes

• Add all fields from /{limit,market,swap}_orders to /orders. N/A fields are null.
• Add average_execution_price as a field that is always returned. It is not needed to explicitly request it on each request.

Misc

• Improve overall performance.