PoolTogether with Sports Event Prediction🏀⚾️⚽️🏈

---

【Introduction of PoolTogether with Sports Event Prediction】

• This is a dApp which integrates PoolTogether with sport event oracle
  • This is combined lottery of PoolTogether and Sports Event Prediction.
  • Participants buy ticket which include rights of prediction of target sports game score.
  • Target of game score prediction is professional sports events (MLB, EPL, NFL, NBA).
    (Utilize Band-Protocol for getting results of game score / Sport Event Oracle： https://developer.bandprotocol.com/datasets/sport-kovan.html )

 

【Flow】：

• ① Admin choose target league and 1 prediction target game (=1 draw) in all of game every gameday.
  (Draw is opened every gameday)

• ② Participants predict and buy ticket for joining the sports event pool（=the target game's pool）

  • Participant need to buy a ticket of sports event prediction until the target gameday before (〜23:59 UTC).
  • What participant predict is the game score of target game.

• ③ The target gameday after, 1st selection. Only participants who prediction was hit are remaining.

  • Utilize Band-Protocol which is oracle for getting results of game score.
    https://developer.bandprotocol.com/datasets/sport-kovan.html

• ④ Then, 2nd selection is coming. Only 1 participant is selected as the winner in participants who are remaining by 1st selection

  • The logic of 2nd selection is as PoolTogether is.

• ⑤ Prizes awarded

  • Reward is distributed into the winner's address. （Reward is generated by earned interest from the pool）

 

---

【Setup】

Setup wallet by using Metamask

1. Add MetaMask to browser (Chrome or FireFox or Opera or Brave)
   https://metamask.io/

2. Adjust appropriate newwork below

Kovan Test Network

 

Setup backend

1. Deploy contracts to Kovan Test Network

(root directory)

$ npm run migrate:kovan

 

Setup frontend（※ In progress）

1. Move to ./client

$ cd client

2. Add an .env file under the directory of ./client.

$ cp .env.example .env

3. Execute command below in root directory.

$ npm run client

4. Access to browser by using link

http://127.0.0.1:3000/pooltogether-with-sports-event-prediction

 

---

【References】

• [PoolTogether]：

  • Bounty of "Best PoolTogether Project" at Gitcoin
    https://gitcoin.co/issue/pooltogether/pooltogether-contracts/30/4308

  • Repos

    • pooltogether-contracts
      https://github.com/pooltogether/pooltogether-contracts
    • pods
      https://github.com/pooltogether/pods
    • pooltogether-contracts-mock
      https://github.com/pooltogether/pooltogether-contracts-mock
    • pooltogether.js
      https://github.com/pooltogether/pooltogetherjs

  • Article abount "v2"
    https://medium.com/pooltogether/inside-pooltogether-v2-0-e7d0e1b90a08

• [Band-Protocol]

  • How to create instance of Oracle
    https://developer.bandprotocol.com/devs/data-query.html

  • Sport Events Oracle (Kovan)
    https://developer.bandprotocol.com/datasets/sport-kovan.html