update method "add balance"

Author: rez1dent3

src/Traits/HasWallet.php

@@ -358,12 +358,12 @@ protected function addBalance(WalletModel $wallet, int $amount): bool
         $newBalance = $this->getBalanceAttribute() + $amount;
         $wallet->balance = $newBalance;
 
-        if ($wallet->save()) {
-            WalletProxy::set($wallet->getKey(), $newBalance);
-            return true;
-        }
+        return
+            // update database wallet
+            $wallet->save() &&
 
-        return false;
+            // update static wallet
+            WalletProxy::set($wallet->getKey(), $newBalance);
     }
 
 }

src/WalletProxy.php

@@ -31,10 +31,12 @@ public static function get(int $key): int
     /**
      * @param int $key
      * @param int $value
+     * @return bool
      */
-    public static function set(int $key, int $value): void
+    public static function set(int $key, int $value): bool
     {
         static::$rows[$key] = $value;
+        return true;
     }
 
     /**