Pandascore esports match results Chainlink adapter

Author: Link Butler
Author URI: https://link-butler.com
License: MIT License
Version: 1.0
Built with Bridges.

Description

A simple Chainlink external adapter, allowing smart contracts to fetch esports match results.

Supported leagues

Games	Leagues
LOL	All-Star, CBLOL, Challenger Korea, Demacia Cup, European Masters, Intel Extreme Masters, KeSPA Cup, LCK, LCS, League of Origin, LEC, LJL, LLA, LMS, LPL, LVP SLO, Mid-Season Invitational, NA Scouting Grounds, NEST, OPL, Rift Rivals: CB vs. CLS vs. LLN, Rift Rivals: GPL vs. LJL vs. OPL, Rift Rivals: LCK vs. LPL vs. LMS, Rift Rivals: LCK vs LPL vs LMS/VCS, Rift Rivals: LCL vs. TCL, Rift Rivals: LCL vs. TCL vs. VCS, Rift Rivals: NA vs. EU, TCL, VCS, World Championship,
DOTA 2	Captains Draft, China Dota2 Winter Cup, Dota Asia Championships, Dota Pit League, DreamLeague, EPICENTER, ESL One, GESC, Mars Dota League, Perfect World, PGL, Professional League, StarLadder, The International, The Summit
OVERWATCH	Contenders Europe, Contenders Korea, Contenders North America, Overwatch League, World Cup
CS:GO	BLAST Pro Series, Charleroi Esports, Copenhagen Games, cs_summit, DreamHack, ECS, ELEAGUE, EMS, EPICENTER, ESL, ESL ESEA, ESL One, ESWC, FACEIT League, GG.Bet Ice Challenge, iBUYPOWER, IEM, Intel Challenge, MLG Columbus, PGL Major, PLG Grand Slam, StarLadder StarSeries, StarSeries & i-League, TOYOTA Master, United Masters, WESG
PUBG

Usage

Parameters

• match_id_or_slug - (string) (required) The id or slug of the match. Default: None

Result

• match_result - (Bytes32) a Bytes32 representation of the match result where each attribute of the match is separated by :.
  • Format : matchStatus:matchResult:matchNumberOfGames:matchWinnerId:matchWinnerAcronym
  • matchStatus - (string) current status of the match, value can be one of:
    • fin - match finished
    • tba - match not started
    • rng - match in progress
    • cxl - match cancelled
  • matchResult - (string) result of the match, value can be one of :
    • drw - match concluded with a draw (matchWinnerId is empty, matchWinnerAcronym is empty)
    • ff - match concluded with a forfeit from one of the teams (matchWinnerId is defined, matchWinnerAcronym is defined)
    • win - match concluded with a winner (matchWinnerId is defined, matchWinnerAcronym is defined)
  • matchNumberOfGames - (int) number of games played during the match
  • matchWinnerId - (int) id of the winner
  • matchWinnerAcronym - (string) acronym of the winner (slug was too long to store in a Bytes32)

Examples

Request with smart contract

Chainlink.Request memory req = buildChainlinkRequest(jobId, this, this.fulfill.selector);
req.add("match_id_or_slug", "virtus-pro-vs-infamous-2019-08-17");
req.add("copyPath", "match_result");

Result :

<!-- fin:win:2:1651:VP Encoded in Bytes32 -->
0x66696e3a77696e3a323a313635313a5650000000000000000000000000000000

Request with curl

curl -X POST -H 'Content-Type: application/json' http://localhost:8080 \
-d @- << EOF
{
	"jobRunId": "1234",
	"data": {
		"match_id_or_slug": "virtus-pro-vs-infamous-2019-08-17"
	}
}
EOF

Result :

{
    "jobRunId": "1234",
    "status": "completed",
    "error": null,
    "pending": false,
    "data": {
        "match_id_or_slug": "virtus-pro-vs-infamous-2019-08-17",
        "match_result": "fin:win:2:1651:VP"
    }
}

Setup

Local Install

Requirements: Golang is installed.

Build

make build

Run the adapter

API_KEY=apikey ./pandascore-adapter

Docker

Run the container:

docker run -it -e API_KEY=apikey -p 8080:8080 linkbutler/pandascore-adapter

Chainlink node

1. create a bridge with the name pandascore
2. create a job with the following jobSpec

{
  "initiators": [
    {
      "type": "runlog",
      "params": {
        "address": "ORACLE_CONTRACT"
      }
    }
  ],
  "tasks": [
    {
      "type": "pandascore"
    },
    {
      "type": "copy"
    },
    {
      "type": "ethbytes32"
    },
    {
      "type": "ethtx"
    }
  ]
}