update rate history module

app/Models/CurrencyRateLog.php

@@ -1,10 +1,19 @@
 <?php
 
 namespace App\Models;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
 
 
 class CurrencyRateLog extends AbstractModel
 {
     protected $table = 'currency_rate_logs';
+
+    /**
+     * @return BelongsTo
+     */
+    public function currencyRate(): BelongsTo
+    {
+        return $this->BelongsTo(CurrencyRate::class, 'currency_rate_id', 'id');
+    }
     
 }