Merge pull request #220 from coinranking/feat/nash

feat: nash driver

drivers/index.js

@@ -197,6 +197,7 @@ exports.Mushino = require('./mushino');
 exports.Mxc = require('./mxc');
 exports.Nami = require('./nami');
 exports.Nanuexchange = require('./nanuexchange');
+exports.Nash = require('./nash');
 exports.Needyex = require('./needyex');
 exports.Neraex = require('./neraex');
 exports.Newcapital = require('./newcapital');

drivers/nash.js

@@ -0,0 +1,75 @@
+/* eslint-disable camelcase */
+const Driver = require('../models/driver');
+const request = require('../lib/request');
+const Ticker = require('../models/ticker');
+const { parseToFloat } = require('../lib/utils.js');
+
+/**
+ * @memberof Driver
+ * @augments Driver
+ */
+class Nash extends Driver {
+  /**
+   * @augments Driver.fetchTickers
+   * @returns {Promise.Array<Ticker>} Returns a promise of an array with tickers.
+   */
+  async fetchTickers() {
+    const { data: { listTickers: tickers } } = await request({
+      method: 'POST',
+      url: 'https://app.nash.io/api/graphql',
+      json: {
+        query: `
+          query Ticker {
+            listTickers {
+              id,
+              volume_24h {amount}
+              bestAskPrice {amount},
+              bestBidPrice {amount},
+              lastPrice {amount},
+              highPrice_24h {amount},
+              lowPrice_24h {amount},
+              market {
+                aUnit,
+                aAsset {name},
+                bAsset {name},
+                bUnit
+              }
+            }
+          }
+        `,
+      },
+    });
+
+    return tickers.map((ticker) => {
+      const {
+        market: {
+          aUnit: baseName,
+          aAsset: { name: base },
+          bUnit: quoteName,
+          bAsset: { name: quote },
+        },
+        bestBidPrice,
+        bestAskPrice,
+        lastPrice,
+        highPrice_24h,
+        lowPrice_24h,
+        volume_24h,
+      } = ticker;
+
+      return new Ticker({
+        base,
+        baseName,
+        quote,
+        quoteName,
+        bid: parseToFloat(bestBidPrice ? bestBidPrice.amount : null),
+        ask: parseToFloat(bestAskPrice ? bestAskPrice.amount : null),
+        close: parseToFloat(lastPrice ? lastPrice.amount : null),
+        high: parseToFloat(highPrice_24h ? highPrice_24h.amount : null),
+        low: parseToFloat(lowPrice_24h ? lowPrice_24h.amount : null),
+        quoteVolume: parseToFloat(volume_24h ? volume_24h.amount : null),
+      });
+    });
+  }
+}
+
+module.exports = Nash;