From 148b546435a8fdd83372d4f546d809f5322ae05b Mon Sep 17 00:00:00 2001
From: Marcello Stanisci <stanisci.m@gmail.com>
Date: Thu, 17 Jan 2019 16:37:16 +0100
Subject: /keys API.

Adding method to override the last_denom value for a key set.
---
 src/lib/testing_api_cmd_check_keys.c | 66 ++++++++++++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)

(limited to 'src/lib/testing_api_cmd_check_keys.c')

diff --git a/src/lib/testing_api_cmd_check_keys.c b/src/lib/testing_api_cmd_check_keys.c
index 6cd605c38..976639ae0 100644
--- a/src/lib/testing_api_cmd_check_keys.c
+++ b/src/lib/testing_api_cmd_check_keys.c
@@ -54,6 +54,20 @@ struct CheckKeysState
    * downloaded.
    */
   unsigned int pull_all_keys;
+
+  /**
+   * If GNUNET_YES, then the user must specify the
+   * last_denom_issue_date manually.  This way, it is possible
+   * to force whatever X value here: /keys?last_denom_issue=X.
+   */
+  unsigned int set_last_denom;
+
+  /**
+   * Value X to set as the URL parameter:
+   * "/keys?last_denom_issue=X" is used only when `set_last_denom'
+   * equals GNUNET_YES.
+   */
+  struct GNUNET_TIME_Absolute last_denom_date;
 };
 
 
@@ -82,6 +96,13 @@ check_keys_run (void *cls,
     GNUNET_log (GNUNET_ERROR_TYPE_INFO,
                 "Triggering GET /keys, cmd `%s'\n",
                 cmd->label);
+    
+    if (GNUNET_YES == cks->set_last_denom)
+    {
+      TALER_LOG_DEBUG ("Forcing last_denom_date URL argument\n");
+      TALER_EXCHANGE_set_last_denom (is->exchange,
+                                     cks->last_denom_date);  
+    }
 
     /* Means re-download /keys.  */
     GNUNET_break
@@ -134,6 +155,51 @@ check_keys_cleanup (void *cls,
 }
 
 
+/**
+ * Make a "check keys" command.  This type of command
+ * checks whether the number of denomination keys from
+ * @a exchange matches @a num_denom_keys.  Additionally,
+ * it lets the user set a last denom issue date to be
+ * used in the request for /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.
+ * @param last_denom_date date to be set in the "last_denom_issue"
+ *        URL parameter of /keys.
+ *
+ * @return the command.
+ */
+struct TALER_TESTING_Command
+TALER_TESTING_cmd_check_keys_with_last_denom
+  (const char *label,
+   unsigned int generation,
+   unsigned int num_denom_keys,
+   struct GNUNET_TIME_Absolute last_denom_date)
+{
+  struct CheckKeysState *cks;
+
+  cks = GNUNET_new (struct CheckKeysState);
+  cks->generation = generation;
+  cks->num_denom_keys = num_denom_keys;
+  cks->set_last_denom = GNUNET_YES;
+  cks->last_denom_date = last_denom_date;
+
+  struct TALER_TESTING_Command cmd = {
+    .cls = cks,
+    .label = label,
+    .run = &check_keys_run,
+    .cleanup = &check_keys_cleanup
+  };
+
+  return cmd;
+}
+
 /**
  * Make a "check keys" command.  This type of command
  * checks whether the number of denomination keys from
-- 
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