WiP: added auction_brandt as extension

- added an extension to handle auctions via libbrandt
  - /extensions/auction_brandt GET and POST handler defined
  - initial parsing of transcript.json implemented, yet WiP

- multiple cleanups and changes to extension handling

1 files changed, 11 insertions, 6 deletions

diff --git a/src/exchange/taler-exchange-httpd_extensions.c b/src/exchange/taler-exchange-httpd_extensions.c
index 2a99d7a2..2aee1b5c 100644
--- a/src/exchange/taler-exchange-httpd_extensions.c
+++ b/src/exchange/taler-exchange-httpd_extensions.c
@@ -78,6 +78,7 @@ extension_update_event_cb (void *cls,
   }
 
   // Get the config from the database as string
+  if (extension->has_config)
   {
     char *config_str = NULL;
     enum GNUNET_DB_QueryStatus qs;
@@ -117,26 +118,26 @@ extension_update_event_cb (void *cls,
                   err.text,
                   err.source);
       GNUNET_break (0);
-      free(config_str);
+      free (config_str);
       return;
     }
 
     // Call the parser for the extension
     ret = extension->load_json_config (
       (struct TALER_Extension *) extension,
-      json_object_get(config, "config"));
+      json_object_get (config, "config"));
 
     if (GNUNET_OK != ret)
     {
       GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
                   "Couldn't parse configuration for extension %s from the database: %s\n",
                   extension->name,
-		  config_str);
+                  config_str);
       GNUNET_break (0);
     }
 
-    free(config_str);
-    json_decref(config);
+    free (config_str);
+    json_decref (config);
   }
 
   /* Special case age restriction: Update global flag and mask  */
@@ -190,12 +191,16 @@ TEH_extensions_init ()
        it = it->next)
   {
     const struct TALER_Extension *ext = it->extension;
+    uint32_t typ = htonl (ext->type);
     char *conf = json_dumps (ext->config_to_json (ext), JSON_COMPACT);
 
     TEH_plugin->set_extension_config (TEH_plugin->cls,
                                       ext->name,
                                       conf);
-    extension_update_event_cb (NULL, &ext->type, sizeof(ext->type));
+
+    extension_update_event_cb (NULL,
+                               &typ,
+                               sizeof(typ));
     free (conf);
   }