Merge branch 'feature/ticker' into 'master'

common/service/exchange/Binance.php

+<?php
+/**
+ * Created by PhpStorm.
+ * User: rlgyzhcn
+ * Date: 18-6-26
+ * Time: 下午7:21
+ */
+
+namespace common\service\exchange;
+
+use Yii;
+use linslin\yii2\curl\Curl;
+
+class Binance extends Exchange implements ExchangeInterface
+{
+    protected $supported_symbol = 'supported_symbol_binance';
+    protected $quotation_prefix = 'quotation_binance_';
+    protected $base_url = 'https://api.binance.com';
+
+    public function formatSymbol($tag = 'BTC', $aim = 'USDT')
+    {
+        return strtolower(trim($tag) . trim($aim));
+    }
+
+    public function setSupportedSymbol()
+    {
+        $curl = new Curl();
+        $api = $this->base_url . '/api/v1/ticker/24hr';
+        $res = $curl->get($api, false);//json
+        if (is_array($res)) {
+            foreach ($res as $item) {
+                $this->redis->sadd($this->supported_symbol, strtolower($item['symbol']));
+            }
+        }
+    }
+
+    public function setQuotation()
+    {
+        $curl = new Curl();
+        $api = $this->base_url . '/api/v1/ticker/24hr';
+        $res = $curl->get($api, false);
+        if (is_array($res)) {
+            foreach ($res as $item) {
+                $key = $this->quotation_prefix . strtolower($item['symbol']);
+                $this->redis->hmset($key, 'low', $item['lowPrice'], 'high', $item['highPrice'], 'last', $item['lastPrice'], 'open', $item['openPrice']);
+                $this->redis->sadd($this->supported_symbol, $item['symbol']);
+            }
+        }
+    }
+
+}
\ No newline at end of file