From 5866875813e9a3b15af2934c2d5d56370b63c9ab Mon Sep 17 00:00:00 2001
From: joelcho <zhoulindeyx@gmail.com>
Date: Thu, 14 Jul 2022 01:45:35 +0800
Subject: [PATCH] fix Invalid request Some RPC services will return invalid
 request when the param is null

---
 Core/SWeb3.php | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/Core/SWeb3.php b/Core/SWeb3.php
index 631170c..ab7b149 100644
--- a/Core/SWeb3.php
+++ b/Core/SWeb3.php
@@ -82,15 +82,17 @@ function setPersonalData($address, $privKey)
 
     function call($method, $params = null)
     {
-        if ($params != null) $params = $this->utils->forceAllNumbersHex($params);  
-
         //format api data
         $ethRequest = new Ethereum_CRPC();
         $ethRequest->id = 1;
         $ethRequest->jsonrpc = '2.0';
         $ethRequest->method = $method;
-        $ethRequest->params = $params;  
-        
+        if ($params != null) {
+            $ethRequest->params = $this->utils->forceAllNumbersHex($params);
+        } else {
+            $ethRequest->params = [];
+        }
+
         if ($this->do_batch) {
             $this->batched_calls []= $ethRequest;
             return true;