codigo actual del servidor, con avances de joan

app/Models/CommissionHistory.php

@@ -0,0 +1,12 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class CommissionHistory extends Model
+{
+    public function order() {
+        return $this->hasOne(Order::class, 'id', 'order_id');
+    }
+}