Remove payload injection to the callback. It can be retrieved from th…

…e injected callback instance --- Correct laravel service provider class name

src/Callback.php

@@ -236,7 +236,7 @@ public function runCallbacks()
         foreach ($this->callbacks as $callback) {
             $callback = $callback->bindTo($this);
 
-            call_user_func_array($callback, [$this->getPayload(), $this]);
+            call_user_func_array($callback, [$this]);
         }
     }
 

src/Laravel/ServiceProvider.php

@@ -2,13 +2,13 @@
 
 namespace Txtpay\Laravel;
 
-use Illuminate\Support\ServiceProvider;
+use Illuminate\Support\ServiceProvider as BaseServiceProvider;
 use Txtpay\Callback;
 use Txtpay\Contracts\CallbackInterface;
 use Txtpay\Contracts\MobileMoneyInterface;
 use Txtpay\MobileMoney;
 
-class RepositoryServiceProvider extends ServiceProvider
+class ServiceProvider extends BaseServiceProvider
 {
     /**
      * Register services.

tests/Unit/CallbackTest.php

@@ -88,11 +88,9 @@ public function callbackFunction($type)
     {
         $test = $this;
 
-        return function ($payload, $callback) use ($test, $type) {
-            $test->assertTrue(is_array($payload), "Inject payload must be an array in the success callback in closure of type/code {$type}");
+        return function ($callback) use ($test, $type) {
             $test->assertTrue($callback instanceof Callback, "Inject callback must be the callback instance in closure of type/code {$type}");
             $test->assertSame($this, $callback, "\$this must be equal to \$callback in closure of type/code {$type}");
-            $test->assertEquals($payload, $callback->getPayload(), "Invalid payload passed to closure of type/code {$type}");
         };
     }
 }