update rate's

Author: Babichev Maxim

src/Simple/Rate.php

@@ -18,7 +18,7 @@ class Rate implements Rateable
     protected $amount;
 
     /**
-     * @var Wallet
+     * @var Wallet|\Bavix\Wallet\Models\Wallet
      */
     protected $withCurrency;
 

tests/Common/Rate.php

@@ -37,14 +37,14 @@ public function __construct()
      */
     protected function rate(Wallet $wallet): float
     {
-        $from = $this->withCurrency->slug;
-        $to = $wallet->slug;
-
-        if (Arr::has($this->rates, "$from.$to")) {
-            return Arr::get($this->rates, "$from.$to");
-        }
-
-        return 1;
+        /**
+         * @var \Bavix\Wallet\Models\Wallet $wallet
+         */
+        return Arr::get(
+            Arr::get($this->rates, $this->withCurrency->slug, []),
+            $wallet->slug,
+            1
+        );
     }
 
     /**