[GNUnet-SVN] [taler-exchange] branch master updated: Inserting "now" argument into "/keys".

[gnunet]

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marcello pushed a commit to branch master
in repository exchange.

The following commit(s) were added to refs/heads/master by this push:
     new 3e757cde Inserting "now" argument into "/keys".
3e757cde is described below

commit 3e757cdeda7938d9d5f88bcc7b91deebaaf154ba
Author: Marcello Stanisci <address@hidden>
AuthorDate: Thu Apr 4 12:14:25 2019 +0200

    Inserting "now" argument into "/keys".
    
    Also using this new logic from the cherry-pick test case.
---
 src/include/taler_testing_lib.h                    | 24 +++++++++++++++
 src/lib/exchange_api_handle.c                      | 34 +++++++++++++---------
 .../test_exchange_api_keys_cherry_picking_new.c    | 34 +++++++++++-----------
 src/lib/testing_api_cmd_check_keys.c               |  2 +-
 4 files changed, 62 insertions(+), 32 deletions(-)

diff --git a/src/include/taler_testing_lib.h b/src/include/taler_testing_lib.h
index 7c2f6f29..d0b5f275 100644
--- a/src/include/taler_testing_lib.h
+++ b/src/include/taler_testing_lib.h
@@ -936,6 +936,30 @@ TALER_TESTING_cmd_exec_keyup_with_now
 
 
 /**
+ * Make a "check keys" command.  This type of command
+ * checks whether the number of denomination keys from
+ * @a exchange matches @a num_denom_keys.
+ *
+ * @param label command label
+ * @param generation when this command is run, exactly @a
+ *        generation /keys downloads took place.  If the number
+ *        of downloads is less than @a generation, the logic will
+ *        first make sure that @a generation downloads are done,
+ *        and _then_ execute the rest of the command.
+ * @param num_denom_keys expected number of denomination keys.
+ * @param exchange connection handle to the exchange to test.
+ *
+ * @return the command.
+ */
+struct TALER_TESTING_Command
+TALER_TESTING_cmd_check_keys_with_now
+  (const char *label,
+   unsigned int generation,
+   unsigned int num_denom_keys,
+   struct GNUNET_TIME_Absolute now);
+
+
+/**
  * Make a "auditor sign" CMD.
  *
  * @param label command label
diff --git a/src/lib/exchange_api_handle.c b/src/lib/exchange_api_handle.c
index 5cc65de3..0993257a 100644
--- a/src/lib/exchange_api_handle.c
+++ b/src/lib/exchange_api_handle.c
@@ -218,7 +218,7 @@ struct TALER_EXCHANGE_Handle
    * If GNUNET_YES, use fake now given by the user, in
    * request of "/keys".
    */
-  unsigned int with_now;
+  int with_now;
 
   /**
    * Fake now given by the user.
@@ -1824,30 +1824,36 @@ request_keys (void *cls)
   struct TALER_EXCHANGE_Handle *exchange = cls;
   struct KeysRequest *kr;
   CURL *eh;
+  char url[200] = "/keys?";
 
   exchange->retry_task = NULL;
   GNUNET_assert (NULL == exchange->kr);
   kr = GNUNET_new (struct KeysRequest);
   kr->exchange = exchange;
-  if (GNUNET_YES ==
-      TEAH_handle_is_ready (exchange))
-  {
-    char *arg;
 
+  if (GNUNET_YES == TEAH_handle_is_ready (exchange))
+  {
     TALER_LOG_DEBUG ("Last DK issue date (before GETting /keys): %s\n",
                      GNUNET_STRINGS_absolute_time_to_string 
(exchange->key_data.last_denom_issue_date));
-    GNUNET_asprintf (&arg,
-                     "/keys?last_issue_date=%llu",
-                     (unsigned long long) 
exchange->key_data.last_denom_issue_date.abs_value_us / 1000000LLU);
-    kr->url = TEAH_path_to_url (exchange,
-                                arg);
-    GNUNET_free (arg);
+    sprintf (&url[strlen (url)],
+             "last_issue_date=%llu&",
+             (unsigned long long) 
exchange->key_data.last_denom_issue_date.abs_value_us / 1000000LLU);
   }
-  else
+  
+  if (GNUNET_YES == exchange->with_now)
   {
-    kr->url = TEAH_path_to_url (exchange,
-                                "/keys");
+    TALER_LOG_DEBUG ("Faking now to GET /keys): %s\n",
+                     GNUNET_STRINGS_absolute_time_to_string (exchange->now));
+    sprintf (&url[strlen (url)],
+             "now=%llu&",
+             (unsigned long long) exchange->now.abs_value_us / 1000000LLU);
   }
+
+  /* Clean the last '&'/'?' sign that we optimistically put.  */
+  url[strlen (url) - 1] = '\0';
+  kr->url = TEAH_path_to_url (exchange,
+                              url);
+
   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
               "Requesting keys with URL `%s'.\n",
               kr->url);
diff --git a/src/lib/test_exchange_api_keys_cherry_picking_new.c 
b/src/lib/test_exchange_api_keys_cherry_picking_new.c
index 9760d91b..ccfb93a3 100644
--- a/src/lib/test_exchange_api_keys_cherry_picking_new.c
+++ b/src/lib/test_exchange_api_keys_cherry_picking_new.c
@@ -151,6 +151,7 @@ run (void *cls,
 
   };
 
+  now = GNUNET_TIME_absolute_get ();
   struct TALER_TESTING_Command ordinary_cherry_pick[] = {
 
     /* Trigger keys reloading from disk.  */
@@ -164,11 +165,12 @@ run (void *cls,
                                   1, /* generation */
                                   1),
     /**
-     * We now set lookahead_sign to 90s, and fake 10s passed.
+     * We now set lookahead_sign to 90s, and expect a new DK
+     * to be created.  The first one lives (= has withdraw_duration of)
+     * only 80s.
      */
-    TALER_TESTING_cmd_exec_keyup_with_now ("keyup-2",
-                                           CONFIG_FILE_EXTENDED,
-                                           NOWPLUSSECS (10)),
+    TALER_TESTING_cmd_exec_keyup ("keyup-2",
+                                  CONFIG_FILE_EXTENDED),
 
     TALER_TESTING_cmd_exec_auditor_sign ("sign-keys-1",
                                          CONFIG_FILE_EXTENDED),
@@ -177,19 +179,15 @@ run (void *cls,
                               is->exchanged,
                               SIGUSR1),
     /**
-     * First DK has still 70s of remaining life
-     * (duration_withdraw), so it's not enough to cover the new
-     * 90s window, so a new one should be created.
      * Total 2 DKs.
      */
     TALER_TESTING_cmd_check_keys ("check-keys-2",
                                   2, /* generation */
                                   2),
 
-    /* Must fake 20s lapse now.  */
-    TALER_TESTING_cmd_exec_keyup_with_now ("keyup-3",
-                                           CONFIG_FILE_EXTENDED,
-                                           NOWPLUSSECS (20)),
+    /* Nothing should happen now.  */
+    TALER_TESTING_cmd_exec_keyup ("keyup-3",
+                                  CONFIG_FILE_EXTENDED),
     TALER_TESTING_cmd_exec_auditor_sign ("sign-keys-2",
                                          CONFIG_FILE),
     TALER_TESTING_cmd_signal ("trigger-keys-reload-2",
@@ -197,13 +195,15 @@ run (void *cls,
                               SIGUSR1),
 
     /**
-     * First DK has 50s of remaining life (duration_withdraw).
-     * The second DK has ~60s of remaining life, therefore two
-     * keys should be (still) returned.
+     * Make 30s time lapse (by passing the "now" argument to
+     * "/keys").  First DK has 50s of remaining life
+     * (duration_withdraw).  The second DK has ~60s of remaining
+     * life, therefore two keys should be (still) returned.
      */
-    TALER_TESTING_cmd_check_keys ("check-keys-3",
-                                  3,
-                                  2),
+    TALER_TESTING_cmd_check_keys_with_now ("check-keys-3",
+                                           3,
+                                           2,
+                                           NOWPLUSSECS (30)),
     TALER_TESTING_cmd_end ()
   };
   struct TALER_TESTING_Command commands[] = {
diff --git a/src/lib/testing_api_cmd_check_keys.c 
b/src/lib/testing_api_cmd_check_keys.c
index 983098ce..d6ab012d 100644
--- a/src/lib/testing_api_cmd_check_keys.c
+++ b/src/lib/testing_api_cmd_check_keys.c
@@ -73,7 +73,7 @@ struct CheckKeysState
    * If GNUNET_YES, then we'll provide the "/keys" request.
    * with the "now" argument.
    */
-  unsigned int with_now;
+  int with_now;
 
   /**
    * Fake now as passed by the user.

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