Fix infinite recursive do_notify call, comments, style.

include/bitcoin/network/net/distributor.hpp

@@ -115,12 +115,11 @@ class BCT_API distributor
         // Avoid deserialization if there are no subscribers for the type.
         if (!subscriber.empty())
         {
-            // Subscribers are notified only with stop code or error::success.
             const auto ptr = messages::deserialize<Message>(data, version);
-
             if (!ptr)
                 return error::invalid_message;
 
+            // Subscribers are notified only with stop code or error::success.
             subscriber.notify(error::success, ptr);
         }
 

src/net/distributor.cpp

@@ -165,6 +165,7 @@ code distributor::do_notify<messages::block>(
     distributor::block_subscriber& subscriber, uint32_t version,
     const system::data_chunk& data) NOEXCEPT
 {
+    // Avoid deserialization if there are no subscribers for the type.
     if (subscriber.empty())
         return error::success;
 
@@ -183,9 +184,13 @@ code distributor::do_notify<messages::block>(
     }
     else
     {
-        return do_notify<messages::block>(subscriber, version, data);
-    }
+        const auto ptr = messages::deserialize<messages::block>(data, version);
+        if (!ptr)
+            return error::invalid_message;
 
+        // Subscribers are notified only with stop code or error::success.
+        subscriber.notify(error::success, ptr);
+    }
 }
 
 BC_POP_WARNING()