feat: saturn driver (test is failed

drivers/index.js

@@ -209,6 +209,7 @@ exports.resfinex = require('./resfinex');
 exports.rightbtc = require('./rightbtc');
 exports.rudex = require('./rudex');
 exports.satoexchange = require('./satoexchange');
+exports.saturn = require('./saturn');
 exports.shortex = require('./shortex');
 exports.simex = require('./simex');
 exports.sistemkoin = require('./sistemkoin');

drivers/saturn.js

@@ -0,0 +1,23 @@
+const request = require('../lib/request');
+const Ticker = require('../models/ticker');
+const { parseToFloat } = require('../lib/utils.js');
+
+module.exports = async () => {
+  const markets = await request('https://ticker.saturn.network/returnTicker.json');
+
+  return Object.keys(markets).map((market) => {
+    const [base] = market.split('_');
+    const ticker = markets[market];
+
+    return new Ticker({
+      base,
+      quote: ticker.symbol,
+      quoteName: ticker.name,
+      close: parseToFloat(ticker.last),
+      bid: parseToFloat(ticker.highestBid),
+      ask: parseToFloat(ticker.lowestAsk),
+      baseVolume: parseToFloat(ticker.quoteVolume), // reversed with quote
+      quoteVolume: parseToFloat(ticker.baseVolume),
+    });
+  });
+};