Merge branch 'feature/airdrop' into develop

api/controllers/AirDropController.php

@@ -142,6 +142,31 @@ class AirDropController extends BaseController
     }
 
     /**
+     * 验证今日是否可领取
+     * @param identifier    树莓派编号
+     * @return array
+     */
+    public function actionValidate()
+    {
+        $data = Yii::$app->request->get();
+        $identifier = $data['identifier'] ?? '';
+        if (false == $identifier) {
+            $this->code = -1;
+            $this->msg = 'Validation failed.';
+            goto doEnd;
+        }
+        $redis = Yii::$app->redis_app;
+        if (true == $redis->exists($identifier)) {
+            $this->msg = '已达今日领取上限，请明天再来!';
+            $this->code = -1;
+            goto doEnd;
+        }
+
+        doEnd :
+        return ['code' => $this->code, 'msg' => $this->msg, 'data' => $this->data];
+    }
+
+    /**
      * 空投领取情况
      * @param identifier    树莓派编号
      * @param miner_address 矿工地址