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feat(multi-websocket): support unique key for ws by symbol #30

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feat(multi-websocket): support unique key for ws by symbol #30

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0a154d3
feat(multi-websocket): support unique key for ws by symbol
Shadowstep33 Apr 17, 2021
7ec757b
chore(undeclared): add const for older versions of js
Shadowstep33 Apr 17, 2021
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35 changes: 23 additions & 12 deletions lib/websockets.js
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Original file line number Diff line number Diff line change
Expand Up @@ -5,33 +5,34 @@ const Sockets = {}
Sockets.ws = {}
Sockets.heartbeat = {}

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

getPrivateWsToken = async function(baseURL, sign) {
const getPrivateWsToken = async function(baseURL, sign) {
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@0967622354toon 0967622354toon Jun 13, 2021

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15

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@Shadowstep33 Shadowstep33 Aug 29, 2021

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I'm not sure what this means :)

let endpoint = '/api/v1/bullet-private'
let url = baseURL + endpoint
let result = await axios.post(url, {}, sign)
return result.data
}

getSocketEndpoint = async function(type, baseURL, environment, sign) {
const getSocketEndpoint = async function(type, baseURL, environment, sign) {
let r
if (type == 'private') {
r = await getPrivateWsToken(baseURL, sign)
} else {
r = await getPublicWsToken(baseURL)
}

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

if(instanceServer){
if (environment === 'sandbox') {
return `${instanceServer.endpoint}?token=${token}&[connectId=${Date.now()}]`
return `${instanceServer.endpoint}/endpoint?token=${token}&[connectId=${Date.now()}]`
} else if (environment === 'live') {
return `${instanceServer.endpoint}?token=${token}&[connectId=${Date.now()}]`
}
Expand All @@ -48,31 +49,41 @@ getSocketEndpoint = async function(type, baseURL, environment, sign) {
}
eventHanlder = function
*/

Sockets.getSocketDictKey = function(topic, symbols){
return `${topic}:${JSON.stringify(symbols)}`
}

Sockets.initSocket = async function(params, eventHandler) {
try {
if ( !params.sign ) params.sign = false;
if ( !params.endpoint ) params.endpoint = false;
let [topic, endpoint, type] = Sockets.topics( params.topic, params.symbols, params.endpoint, params.sign )
const wsKey = Sockets.getSocketDictKey(topic, params.symbols);

let sign = this.sign('/api/v1/bullet-private', {}, 'POST')
let websocket = await getSocketEndpoint(type, this.baseURL, this.environment, sign)
let ws = new WebSocket(websocket)
Sockets.ws[topic] = ws
Sockets.ws[wsKey] = ws
ws.on('open', () => {
console.log(topic + ' opening websocket connection... ')
Sockets.subscribe(topic, endpoint, type, eventHandler)
Sockets.ws[topic].heartbeat = setInterval(Sockets.socketHeartBeat, 20000, topic)
console.log(wsKey + ' opening websocket connection... ')
Sockets.subscribe(wsKey, endpoint, type, eventHandler)
Sockets.ws[wsKey].heartbeat = setInterval(Sockets.socketHeartBeat, 1000, wsKey)
})
ws.on('error', (error) => {
Sockets.handleSocketError(error)
console.log(error)
})
ws.on('ping', () => {
ws.on('ping', (cancel, data) => {
ws.send(data)
return
})
ws.on('close', () => {
clearInterval(Sockets.ws[topic].heartbeat)
console.log(topic + ' websocket closed...')
clearInterval(Sockets.ws[wsKey].heartbeat)
console.log(wsKey + ' websocket closed...')
})

return () => ws.close();
} catch (err) {
console.log(err)
}
Expand All @@ -85,7 +96,7 @@ Sockets.handleSocketError = function(error) {

Sockets.socketHeartBeat = function(topic) {
let ws = Sockets.ws[topic]
ws.ping()
ws.ping(["ping"])
}

Sockets.subscribe = async function(topic, endpoint, type, eventHandler) {
Expand Down