From dff3017f958d68770588ae997955d46973aa77cc Mon Sep 17 00:00:00 2001
From: Cobianzo <cobianzo@gmail.com>
Date: Mon, 21 Dec 2020 23:38:04 +0100
Subject: [PATCH] Creation of the OCO Order

Note that the price, stopPrice and stopLimitPrice can't have more decimals than the exchangeinfo FILTER for that symbol.
The same for the quantity.
I'm testing it right now
---
 php-binance-api.php | 59 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 59 insertions(+)

diff --git a/php-binance-api.php b/php-binance-api.php
index c9145000..437ee0ef 100755
--- a/php-binance-api.php
+++ b/php-binance-api.php
@@ -1066,6 +1066,65 @@ protected function httpRequest(string $url, string $method = "GET", array $param
         return $json;
     }
 
+    /** 
+     * Places an OCO trade, which consists in two legs or orders.
+     * @param $side string
+     * @param $symbol string 
+     * @param $quantity string
+     * @param $price string
+     * @param $stopPrice string
+     * @param $flags array
+     * @param $test bool
+     * @return array containing the response
+     * @throws \Exception
+     */
+    public function OCOorder(string $side, string $symbol, $quantity, $price, $stopPrice, array $flags = [], bool $test = false) {
+        
+        $opt = [
+            "side"                  => $side,
+            "symbol"                => $symbol,
+            "quantity"              => $quantity,
+            "price"                 => $price,      // take profit Limit price.
+            "stopPrice"             => $stopPrice,  // stop loss market price.
+            "recvWindow"            => 60000,
+        ];
+        
+        if (isset($flags['stopLimitPrice'])) {
+            $opt['stopLimitPrice'] = $flags['stopLimitPrice'];
+            $opt['stopLimitTimeInForce']  = "GTC";              // `Good 'till cancel`. Needed if flag `stopLimitPrice` used.
+        }
+
+        // someone has preformated there 8 decimal point double already
+        // dont do anything, leave them do whatever they want.
+        if (gettype($price) !== "string") {
+            // for every other type, lets format it appropriately
+            $price = number_format($price, 8, '.', '');
+        }
+
+        if (is_numeric($quantity) === false) {
+            // WPCS: XSS OK.
+            echo "warning: quantity expected numeric got " . gettype($quantity) . PHP_EOL;
+        }
+
+        if (is_string($price) === false) {
+            // WPCS: XSS OK.
+            echo "warning: price expected string got " . gettype($price) . PHP_EOL;
+        }
+
+        if (isset($flags['icebergQty'])) {
+            $opt['icebergQty'] = $flags['icebergQty'];
+        }
+
+        if (isset($flags['newOrderRespType'])) {
+            $opt['newOrderRespType'] = $flags['newOrderRespType'];
+        }
+        
+        $qstring = ($test === false) ? "v3/order/oco" : "v3/we-dont-know-the-test-endpoint";
+        return $this->httpRequest($qstring, "POST", $opt, true);
+    }
+
+
+
     /**
      * order formats the orders before sending them to the curl wrapper function
      * You can call this function directly or use the helper functions