Introduction

This is a sports betting backend implemented in Kotlin and Spring Boot. It features a GraphQL API and a WebSocket subscription API.

This is a work in progress. It is not yet ready for production use yet.

This apps fetches live and pre-match odds from bets-api.com. Register with them using my referral link to support this project.

Demo

Demo betting frontend: https://www.parabolicbet.com/

The frontend codebase is in my ultrabet-ui repository

TODO

• Set results to bets
• pay out winnings
• Add a 2nd application (gradle subproject) that contains a secured GraphQL API for placing bets and other actions that require authentication.
• Map internal errors to GraphQL errors that show properly in the client
• GraphQL subscriptions
• Make it update market_option.last_updated_at
• Entities (for JPA)
• Repositories
• Queries
• Mutations
• Import feeds from bets-api.com
• Admin queries and mutations
• Bet should have several MarketOptions (long bet)
• Deploy somewhere
• Pagination TBD when building the UI
• add completedEvents query
• scheduled update of completed events. Canceled events are now left non-completed.

Major work items

• Live event visualization
• Bet builder ala Bet365
• Bet types
  • Right
  • Parlay
  • System
• Multifeed
• Back Office
  • Risk management (alerts, limits, etc)
  • Bet list with voiding
  • Player list?
• Wallet integration
• Multiple languages

Event import

• add a 'source' field to the Market entity, to identify the bookmaker. Event.markets edge should be able to filter based on source.
• import each event only once

Live events

• Rename to parabolicbet.com
• Live events polling should be more frequent than pre-match events
• Should also request scores when live
• Check completed field when polling scores. When completed -> set result and pay out winnings
• Show all score updates on current score mouse hover
• Add results page to show completed events

Frontend

Admin

• limits
• alerts
• bet invalidations

Wallet integration