feat：增加获取杠杆

@@ -236,4 +236,18 @@ class CmBroker
     {
         $this->exBroker->setLongShortMode($isLongShort);
     }
+    //获取全部品种的杠杆
+    public function getLevers()
+    {
+        $levers = $this->exBroker->getAllLevers();
+        if ($this->plat == 'okx') {
+            $resNew = [];
+            foreach ($levers as $key => $value) {
+                $symbol = $this->getSymbolSt($key); //转换为标准交易对
+                $resNew[$symbol] = $value;
+            }
+            $levers = $resNew;
+        }
+        return $levers;
+    }
 }

@@ -240,4 +240,50 @@ class ExBroker
         $res = $this->api->setPositionMode($param);
         output("设置持仓模式", $res);
     }
+    //获取所有品种杠杆信息
+    public function getAllLevers()
+    {
+        //获取所有USDT SWAP 交易对
+        $res = $this->api->instruments(["instType" => "SWAP"]);
+        $Symbols = [];
+        foreach ($res["data"] as $key => $value) {
+            if ($value["settleCcy"] == "USDT") {
+                $Symbols[] = $value["instId"];
+            }
+        }
+        //获取所有品种的杠杆信息
+        return $this->getLevers($Symbols);
+    }
+    //获取杠杆
+    private function getLevers($symbols)
+    {
+        $levers = [];
+        $param = [
+            'mgnMode' => 'cross'
+        ];
+        $count = 0;
+        $instId = '';
+        foreach ($symbols as $key => $value) {
+            $count++;
+            if ($instId == '') {
+                $instId = $value;
+            } else {
+                $instId = $instId . ',' . $value;
+            }
+            if ($count % 20 == 0 || $count == count($symbols)) {
+                $param['instId'] = $instId;
+                $instId = '';
+                $res = $this->api->leverageInfo($param, $this->apiInfo);
+                if ($res['code'] == 0) {
+                    foreach ($res["data"] as $key => $value) {
+                        $levers[$value["instId"]] = $value["lever"];
+                    }
+                } else {
+                    var_dump($res);
+                    break;
+                }
+            }
+        }
+        return $levers;
+    }
 }