feat:完善交易对精度

@@ -253,6 +253,18 @@ class CmBroker
             }
             $this->symbolInfos = $infos;
         }
+        if ($this->plat == self::PLAT_BINANCE) {
+            $res = $this->exBroker->getSymbolInfos();
+            $infos = [];
+            foreach ($res as $key => $value) {
+                if ($value["quoteAsset"] == "USDT") {
+                    $info = SymbolInfo::transferBinance($value, function ($symbol) {
+                        return $this->getSymbolSt($symbol);
+                    });
+                    $infos[$info->symbol] = $info;
+                }
+            }
+        }
         //定时10m刷新
         swoole_timer_after(1000 * 60 * 10, function () {
             $this->initSymbolInfos();

@@ -30,6 +30,13 @@ class Api
         $method = "GET";
         return $this->request($method, $url, $params);
     }
+    //获取交易对信息
+    public function getExchangeInfo($params)
+    {
+        $url = "/fapi/v1/exchangeInfo";
+        $method = "GET";
+        return $this->request($method, $url, $params);
+    }
 
     //-------private interface ------------
     //获取用户监听key

@@ -116,4 +116,13 @@ class ExBroker
             $this->wsKline->close();
         }
     }
+    public function getSymbolInfos()
+    {
+        $res = $this->api->getExchangeInfo([]);
+        if (!isset($res['symbols'])) {
+            output('okx获取所有交易对信息失败');
+            return [];
+        }
+        return $res['symbols'];
+    }
 }

@@ -53,4 +53,27 @@ class SymbolInfo
         $info = new SymbolInfo($data["instId"], $symbolSt, $ctVal, $pricePrec, $qtyPrec, $lotPrec, $minLot, $minQty);
         return $info;
     }
+    public static function transferBinance($data, callable $getSymbolSt): SymbolInfo
+    {
+        $symbolOri = $data['symbol'];
+        $symbolSt = $getSymbolSt($symbolOri); //转换为标准交易对
+        $ctVal = 1;
+        $pricePrec = 0;
+        $qtyPrec = 0;
+        $lotPrec = 0;
+        $minLot = 0;
+        foreach ($data['filters'] as $v) {
+            if ($v['filterType'] == 'PRICE_FILTER') {
+                $pricePrec = getPrecision($v['tickSize']);
+            }
+            if ($v['filterType'] == 'LOT_SIZE') {
+                $minLot = $v['minQty'];
+                $minQty = $minLot * $ctVal;
+                $qtyPrec = getPrecision($minLot);
+                $lotPrec = getPrecision($minLot);
+            }
+        }
+        $info = new SymbolInfo($symbolOri, $symbolSt, $ctVal, $pricePrec, $qtyPrec, $lotPrec, $minLot, $minQty);
+        return $info;
+    }
 }