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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,132 @@ | ||
| import { Ticker } from './../ticker'; | ||
| import { CurrencyPair } from './../currencypair'; | ||
| import { Exchange } from './../exchange'; | ||
| var request = require('request'); | ||
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| export class Binance extends Exchange { | ||
| exch_code = 'BINA'; | ||
| exch_name = 'Binance'; | ||
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| private symbolsUrl = 'https://api.binance.com/api/v1/ticker/24hr'; | ||
| private tickerUrl = 'https://api.binance.com/api/v1/ticker/allPrices'; | ||
| private pairsByName = {}; | ||
| private pairsInQueue : Array<any>; | ||
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| GetUrl(primary: string, base: string):string { | ||
| return `https://www.binance.com/trade.html?symbol=${primary}_${base}`; | ||
| } | ||
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| GetNextInQueue(finalCallback) { | ||
| if(this.pairsInQueue.length > 0) | ||
| { | ||
| let x = this.pairsInQueue.shift(); | ||
| let symbol: string = x.symbol; | ||
| let curr1 = symbol.substring(0, symbol.length-3); | ||
| let curr2 = symbol.substring(symbol.length-3); | ||
| if(symbol.indexOf('USDT')>0) { | ||
| curr1 = symbol.substring(0, symbol.length-4); | ||
| curr2 = symbol.substring(symbol.length-4); | ||
| } | ||
| let cp = new CurrencyPair(curr1, curr2, this); | ||
| cp.base_volume = x.quoteVolume; | ||
| cp.primary_volume = x.volume; | ||
| cp.GetHistory(() => { | ||
| this.currencyPairs.push(cp); | ||
| this.pairsByName[x.symbol] = cp; | ||
| this.GetNextInQueue(finalCallback); | ||
| }); | ||
| } else { | ||
| finalCallback(this.currencyPairs); | ||
| } | ||
| } | ||
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| GetCurrencyPairs(callback : (pairs: Array<CurrencyPair>)=>void) { | ||
| request(this.symbolsUrl, (err, res, body) => { | ||
| if (!err && res.statusCode == 200) { | ||
| this.pairsInQueue = JSON.parse(body); | ||
| this.GetNextInQueue(callback); | ||
| } else { | ||
| console.log('Error'); | ||
| console.log(err); | ||
| } | ||
| }); | ||
| } | ||
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| TickerTimer(time_ms: number) { | ||
| setTimeout(()=> { | ||
| this.GetTicker(() => { | ||
| this.TickerTimer(time_ms); | ||
| }); | ||
| }, time_ms); | ||
| } | ||
|
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| GetTicker(callback) { | ||
| request(this.tickerUrl, (err, res, body) => { | ||
| if (!err && res.statusCode == 200) { | ||
| let tickers = JSON.parse(body); | ||
| tickers.forEach(element => { | ||
| let cp : CurrencyPair = this.pairsByName[element.symbol]; | ||
| if(cp) { | ||
| let ticker = new Ticker(); | ||
| ticker.last_price = element.price; | ||
| ticker.tick_time = Math.floor(+new Date()/1000); | ||
| ticker.base_volume_24 = cp.base_volume; | ||
| ticker.primary_volume_24 = cp.primary_volume; | ||
| cp.NewTick(ticker); | ||
| } | ||
| }); | ||
| callback(); | ||
| } else { | ||
| if(err) | ||
| { | ||
| console.log('Binance ticker error:'); | ||
| console.log(err); | ||
| } else { | ||
| console.log('Binance result code: ' + res.resultCode); | ||
| } | ||
| callback(); | ||
| } | ||
| }); | ||
|
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| } | ||
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| GetLastOrders(currency1:string, currency2:string, timestamp: number, callback) { | ||
| request(`https://www.binance.com/api/v1/trades?symbol=${currency1.toUpperCase()}${currency2.toUpperCase()}`, (err, res, body) => { | ||
| if (!err && res.statusCode == 200) { | ||
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| let result = JSON.parse(body).reverse(); | ||
| let lastTimeStamp = result[0].time; | ||
| let sameTimeOrders = 0; | ||
| let tempNoOrders = 0; | ||
| let tempTimeStamp = lastTimeStamp; | ||
| result.forEach(element => { | ||
| if(element.time == tempTimeStamp) | ||
| tempNoOrders++; | ||
| else | ||
| { | ||
| sameTimeOrders = Math.max(sameTimeOrders, tempNoOrders); | ||
| if(lastTimeStamp - element.time < 3000) | ||
| { | ||
| tempTimeStamp = element.time; | ||
| tempNoOrders = 1; | ||
| } else | ||
| { | ||
| tempNoOrders = 0; | ||
| } | ||
| } | ||
| }); | ||
| callback(sameTimeOrders); | ||
| } else { | ||
| if(err) | ||
| { | ||
| console.log('Bittrex last prices error:'); | ||
| console.log(err); | ||
| } else { | ||
| console.log('Bittrex last prices result code: ' + res.resultCode); | ||
| } | ||
| callback(0); | ||
| } | ||
| }); | ||
| } | ||
|
|
||
| } |
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