Merge pull request #128 from thefifthdev/issue-4-auth-check

Fix #4: Add subscriber auth check to charge_subscription

Author: Smartdevs17

contracts/src/lib.rs

@@ -337,6 +337,8 @@ impl SubTrackrContract {
             .get(&DataKey::Subscription(subscription_id))
             .expect("Subscription not found");
 
+        sub.subscriber.require_auth();
+
         assert!(
             sub.status == SubscriptionStatus::Active,
             "Subscription not active"