exchange

testing_api_cmd_reserve_get_attestable.c (6835B)

---

 /*
   This file is part of TALER
   Copyright (C) 2014-2022 Taler Systems SA
 
   TALER is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as
   published by the Free Software Foundation; either version 3, or
   (at your option) any later version.
 
   TALER is distributed in the hope that it will be useful, but
   WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
 
   You should have received a copy of the GNU General Public
   License along with TALER; see the file COPYING.  If not, see
   <http://www.gnu.org/licenses/>
 */
 /**
  * @file testing/testing_api_cmd_reserve_get_attestable.c
  * @brief Implement the /reserve/$RID/get_attestable test command.
  * @author Christian Grothoff
  */
 #include "taler/taler_json_lib.h"
 #include <gnunet/gnunet_curl_lib.h>
 #include "taler/taler_testing_lib.h"
 
 
 /**
  * State for a "get_attestable" CMD.
  */
 struct GetAttestableState
 {
   /**
    * Label to the command which created the reserve to check,
    * needed to resort the reserve key.
    */
   const char *reserve_reference;
 
   /**
    * Handle to the "reserve get_attestable" operation.
    */
   struct TALER_EXCHANGE_GetReservesAttestHandle *rgah;
 
   /**
    * Expected attestable attributes.
    */
   const char **expected_attestables;
 
   /**
    * Length of the @e expected_attestables array.
    */
   unsigned int expected_attestables_length;
 
   /**
    * Public key of the reserve being analyzed.
    */
   struct TALER_ReservePublicKeyP reserve_pub;
 
   /**
    * Expected HTTP response code.
    */
   unsigned int expected_response_code;
 
   /**
    * Interpreter state.
    */
   struct TALER_TESTING_Interpreter *is;
 };
 
 
 /**
  * Check that the reserve balance and HTTP response code are
  * both acceptable.
  *
  * @param cls closure.
  * @param rs HTTP response details
  */
 static void
 reserve_get_attestable_cb (
   void *cls,
   const struct TALER_EXCHANGE_GetReservesAttestResponse *rs)
 {
   struct GetAttestableState *ss = cls;
   struct TALER_TESTING_Interpreter *is = ss->is;
 
   ss->rgah = NULL;
   if (ss->expected_response_code != rs->hr.http_status)
   {
     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
                 "Unexpected HTTP response code: %d in %s:%u\n",
                 rs->hr.http_status,
                 __FILE__,
                 __LINE__);
     json_dumpf (rs->hr.reply,
                 stderr,
                 JSON_INDENT (2));
     TALER_TESTING_interpreter_fail (ss->is);
     return;
   }
   if (MHD_HTTP_OK != rs->hr.http_status)
   {
     TALER_TESTING_interpreter_next (is);
     return;
   }
   // FIXME: check returned list matches expectations!
   TALER_TESTING_interpreter_next (is);
 }
 
 
 /**
  * Run the command.
  *
  * @param cls closure.
  * @param cmd the command being executed.
  * @param is the interpreter state.
  */
 static void
 get_attestable_run (void *cls,
                     const struct TALER_TESTING_Command *cmd,
                     struct TALER_TESTING_Interpreter *is)
 {
   struct GetAttestableState *ss = cls;
   const struct TALER_TESTING_Command *ref_reserve;
   const struct TALER_ReservePrivateKeyP *reserve_priv;
   const struct TALER_ReservePublicKeyP *reserve_pub;
   const char *exchange_url;
 
   ss->is = is;
   exchange_url = TALER_TESTING_get_exchange_url (is);
   if (NULL == exchange_url)
   {
     GNUNET_break (0);
     return;
   }
   ref_reserve
     = TALER_TESTING_interpreter_lookup_command (is,
                                                 ss->reserve_reference);
 
   if (NULL == ref_reserve)
   {
     GNUNET_break (0);
     TALER_TESTING_interpreter_fail (is);
     return;
   }
   if (GNUNET_OK ==
       TALER_TESTING_get_trait_reserve_priv (ref_reserve,
                                             &reserve_priv))
   {
     GNUNET_CRYPTO_eddsa_key_get_public (&reserve_priv->eddsa_priv,
                                         &ss->reserve_pub.eddsa_pub);
   }
   else
   {
     if (GNUNET_OK !=
         TALER_TESTING_get_trait_reserve_pub (ref_reserve,
                                              &reserve_pub))
     {
       GNUNET_break (0);
       TALER_LOG_ERROR (
         "Failed to find reserve_priv for get_attestable query\n");
       TALER_TESTING_interpreter_fail (is);
       return;
     }
     ss->reserve_pub = *reserve_pub;
   }
   ss->rgah = TALER_EXCHANGE_get_reserves_attest_create (
     TALER_TESTING_interpreter_get_context (is),
     exchange_url,
     &ss->reserve_pub);
   if (NULL == ss->rgah)
   {
     GNUNET_break (0);
     TALER_TESTING_interpreter_fail (is);
     return;
   }
   if (TALER_EC_NONE !=
       TALER_EXCHANGE_get_reserves_attest_start (ss->rgah,
                                                 &reserve_get_attestable_cb,
                                                 ss))
   {
     GNUNET_break (0);
     TALER_EXCHANGE_get_reserves_attest_cancel (ss->rgah);
     ss->rgah = NULL;
     TALER_TESTING_interpreter_fail (is);
     return;
   }
 }
 
 
 /**
  * Cleanup the state from a "reserve get_attestable" CMD, and possibly
  * cancel a pending operation thereof.
  *
  * @param cls closure.
  * @param cmd the command which is being cleaned up.
  */
 static void
 get_attestable_cleanup (void *cls,
                         const struct TALER_TESTING_Command *cmd)
 {
   struct GetAttestableState *ss = cls;
 
   if (NULL != ss->rgah)
   {
     TALER_TESTING_command_incomplete (ss->is,
                                       cmd->label);
     TALER_EXCHANGE_get_reserves_attest_cancel (ss->rgah);
     ss->rgah = NULL;
   }
   GNUNET_free (ss->expected_attestables);
   GNUNET_free (ss);
 }
 
 
 struct TALER_TESTING_Command
 TALER_TESTING_cmd_reserve_get_attestable (const char *label,
                                           const char *reserve_reference,
                                           unsigned int expected_response_code,
                                           ...)
 {
   struct GetAttestableState *ss;
   va_list ap;
   unsigned int num_expected;
   const char *ea;
 
   num_expected = 0;
   va_start (ap, expected_response_code);
   while (NULL != va_arg (ap, const char *))
     num_expected++;
   va_end (ap);
 
   GNUNET_assert (NULL != reserve_reference);
   ss = GNUNET_new (struct GetAttestableState);
   ss->reserve_reference = reserve_reference;
   ss->expected_response_code = expected_response_code;
   ss->expected_attestables_length = num_expected;
   ss->expected_attestables = GNUNET_new_array (num_expected,
                                                const char *);
   num_expected = 0;
   va_start (ap, expected_response_code);
   while (NULL != (ea = va_arg (ap, const char *)))
     ss->expected_attestables[num_expected++] = ea;
   va_end (ap);
 
   {
     struct TALER_TESTING_Command cmd = {
       .cls = ss,
       .label = label,
       .run = &get_attestable_run,
       .cleanup = &get_attestable_cleanup
     };
 
     return cmd;
   }
 }