From d57006f6c3faf06b74fcf038f2ac42c522906f68 Mon Sep 17 00:00:00 2001
From: mahdi msr <mahdi.msr4@gmail.com>
Date: Fri, 26 Sep 2025 15:53:16 +0330
Subject: [PATCH] signature: add generate sign value method

---
 src/Requests/Header.php | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/Requests/Header.php b/src/Requests/Header.php
index 45c3caa..8a4201b 100644
--- a/src/Requests/Header.php
+++ b/src/Requests/Header.php
@@ -34,4 +34,17 @@ class Header
     {
         return md5(uniqid(mt_rand(), true));
     }
+
+    public static function generateSignValue(array $queryParams = [], string $body = '', string $randomNonce = ''): string
+    {
+        $apiKey = config('bitunix-api.api_key');
+        $apiSecret = config('bitunix-api.api_secret');
+        $timeStamp = (string)round(microtime(true) * 1000);
+        $digestedQueryParam = self::digestQueryParameters($queryParams);
+
+        $digestedHeader = $randomNonce . $timeStamp . $apiKey . $digestedQueryParam . $body;
+        $hash = hash('sha256', $digestedHeader);
+        $sign = $hash . $apiSecret;
+        return hash('sha256', $sign);
+    }
 }