feat: add uniswap3base exchange driver

drivers/index.js

@@ -205,6 +205,7 @@ exports.Uniswap2klaytn = require('./uniswap2klaytn');
 exports.Uniswap2polygon = require('./uniswap2polygon');
 exports.Uniswap3 = require('./uniswap3');
 exports.Uniswap3avalanche = require('./uniswap3avalanche');
+exports.Uniswap3base = require('./uniswap3base');
 exports.Uniswap3bsc = require('./uniswap3bsc');
 exports.Uniswap3polygon = require('./uniswap3polygon');
 exports.United = require('./united');

drivers/uniswap3base.js

@@ -0,0 +1,40 @@
+const Driver = require('../models/driver');
+const request = require('../lib/request');
+const Ticker = require('../models/ticker');
+const { parseToFloat } = require('../lib/utils');
+
+/**
+ * @memberof Driver
+ * @augments Driver
+ */
+class Uniswap3base extends Driver {
+  /**
+   * @augments Driver.fetchTickers
+   * @returns {Promise.Array<Ticker>} Returns a promise of an array with tickers.
+   */
+  async fetchTickers() {
+    const { data } = await request('https://api.geckoterminal.com/api/v2/networks/base/dexes/uniswap-v3-base/pools?page=1&sort=h24_volume_usd_desc');
+
+    return Object.keys(data).map((market) => {
+      const ticker = data[market];
+      const base = ticker.relationships.base_token.data.id.split('base_')[1];
+      const quote = ticker.relationships.quote_token.data.id.split('base_')[1];
+
+      const usdVolume = ticker.attributes.volume_usd.h24;
+      const usdBasePrice = ticker.attributes.base_token_price_usd;
+      const usdQuotePrice = ticker.attributes.base_token_price_usd;
+      const baseVolume = usdVolume * usdBasePrice;
+      const quoteVolume = usdVolume * usdQuotePrice;
+
+      return new Ticker({
+        base,
+        quote,
+        close: parseToFloat(ticker.attributes.base_token_price_native_currency),
+        baseVolume: parseToFloat(baseVolume),
+        quoteVolume: parseToFloat(quoteVolume),
+      });
+    });
+  }
+}
+
+module.exports = Uniswap3base;