kucoin-websocket-api/index.js

Websocket API for Kucoin

"use strict"

const { openMarketMatches, openMarketLevel2 } = require("./src/websocket")
const axios = require("axios")

class Kucoin_API {
  constructor() {
    this.baseURL = "https://openapi-v2.kucoin.com"
  }

  async MarketMatches(symbols, callback) {
    let endpoint = await this.getSocketEndpoint()

    let result = await openMarketMatches(endpoint, symbols, callback)

    // Return Close function
    return result
  }

  async MarketLevel2(symbols, callback) {
    let endpoint = await this.getSocketEndpoint()

    let result = await openMarketLevel2(endpoint, symbols, callback)

    // Return Close function
    return result
  }

  // Kucoin token methods

  async getPublicWsToken() {
    let endpoint = "/api/v1/bullet-public"
    let url = this.baseURL + endpoint
    let result = await axios.post(url, {})
    return result.data
  }

  async getSocketEndpoint() {
    let r

    r = await this.getPublicWsToken()

    let token = r.data.token
    let endpoint = r.data.instanceServers[0].endpoint

    return `${endpoint}?token=${token}&[connectId=${Date.now()}]`
  }
}

module.exports = Kucoin_API