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Base system with REST service to issue digital coins, run by the payment service provider
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testing_api_cmd_offline_sign_global_fees.c (6075B)


      1 /*
      2   This file is part of TALER
      3   Copyright (C) 2022 Taler Systems SA
      4 
      5   TALER is free software; you can redistribute it and/or modify it
      6   under the terms of the GNU General Public License as published
      7   by the Free Software Foundation; either version 3, or (at your
      8   option) any later version.
      9 
     10   TALER is distributed in the hope that it will be useful, but
     11   WITHOUT ANY WARRANTY; without even the implied warranty of
     12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     13   GNU General Public License for more details.
     14 
     15   You should have received a copy of the GNU General Public
     16   License along with TALER; see the file COPYING.  If not,
     17   see <http://www.gnu.org/licenses/>
     18 */
     19 
     20 /**
     21  * @file testing/testing_api_cmd_offline_sign_global_fees.c
     22  * @brief run the taler-exchange-offline command to download, sign and upload global fees
     23  * @author Marcello Stanisci
     24  * @author Christian Grothoff
     25  */
     26 #include "taler/platform.h"
     27 #include "taler/taler_json_lib.h"
     28 #include <gnunet/gnunet_curl_lib.h>
     29 #include "taler/taler_signatures.h"
     30 #include "taler/taler_testing_lib.h"
     31 
     32 
     33 /**
     34  * State for a "offlinesign" CMD.
     35  */
     36 struct OfflineSignState
     37 {
     38 
     39   /**
     40    * Process for the "offlinesign" command.
     41    */
     42   struct GNUNET_Process *offlinesign_proc;
     43 
     44   /**
     45    * Configuration file used by the command.
     46    */
     47   const char *config_filename;
     48 
     49   /**
     50    * The history fee to sign.
     51    */
     52   const char *history_fee_s;
     53 
     54   /**
     55    * The account fee to sign.
     56    */
     57   const char *account_fee_s;
     58 
     59   /**
     60    * The purse fee to sign.
     61    */
     62   const char *purse_fee_s;
     63 
     64   /**
     65    * When MUST purses time out?
     66    */
     67   struct GNUNET_TIME_Relative purse_timeout;
     68 
     69   /**
     70    * How long do we keep the history?
     71    */
     72   struct GNUNET_TIME_Relative history_expiration;
     73 
     74   /**
     75    * Number of (free) purses per account.
     76    */
     77   unsigned int num_purses;
     78 };
     79 
     80 
     81 /**
     82  * Run the command; calls the `taler-exchange-offline` program.
     83  *
     84  * @param cls closure.
     85  * @param cmd the commaind being run.
     86  * @param is interpreter state.
     87  */
     88 static void
     89 offlinesign_run (void *cls,
     90                  const struct TALER_TESTING_Command *cmd,
     91                  struct TALER_TESTING_Interpreter *is)
     92 {
     93   struct OfflineSignState *ks = cls;
     94   char num_purses[12];
     95   char history_expiration[32];
     96   char purse_timeout[32];
     97 
     98   GNUNET_snprintf (num_purses,
     99                    sizeof (num_purses),
    100                    "%u",
    101                    ks->num_purses);
    102   GNUNET_snprintf (history_expiration,
    103                    sizeof (history_expiration),
    104                    "%s",
    105                    GNUNET_TIME_relative2s (ks->history_expiration,
    106                                            false));
    107   GNUNET_snprintf (purse_timeout,
    108                    sizeof (purse_timeout),
    109                    "%s",
    110                    GNUNET_TIME_relative2s (ks->purse_timeout,
    111                                            false));
    112   ks->offlinesign_proc = GNUNET_process_create (GNUNET_OS_INHERIT_STD_ERR);
    113   if (GNUNET_OK !=
    114       GNUNET_process_run_command_va (
    115         ks->offlinesign_proc,
    116         "taler-exchange-offline",
    117         "taler-exchange-offline",
    118         "-c", ks->config_filename,
    119         "-L", "INFO",
    120         "global-fee",
    121         "now",
    122         ks->history_fee_s,
    123         ks->account_fee_s,
    124         ks->purse_fee_s,
    125         purse_timeout,
    126         history_expiration,
    127         num_purses,
    128         "upload",
    129         NULL))
    130   {
    131     GNUNET_break (0);
    132     GNUNET_process_destroy (ks->offlinesign_proc);
    133     ks->offlinesign_proc = NULL;
    134     TALER_TESTING_interpreter_fail (is);
    135     return;
    136   }
    137   TALER_TESTING_wait_for_sigchld (is);
    138 }
    139 
    140 
    141 /**
    142  * Free the state of a "offlinesign" CMD, and possibly kills its
    143  * process if it did not terminate correctly.
    144  *
    145  * @param cls closure.
    146  * @param cmd the command being freed.
    147  */
    148 static void
    149 offlinesign_cleanup (void *cls,
    150                      const struct TALER_TESTING_Command *cmd)
    151 {
    152   struct OfflineSignState *ks = cls;
    153 
    154   (void) cmd;
    155   if (NULL != ks->offlinesign_proc)
    156   {
    157     GNUNET_break (GNUNET_OK ==
    158                   GNUNET_process_kill (ks->offlinesign_proc,
    159                                        SIGKILL));
    160     GNUNET_process_wait (ks->offlinesign_proc,
    161                          true,
    162                          NULL,
    163                          NULL);
    164     GNUNET_process_destroy (ks->offlinesign_proc);
    165     ks->offlinesign_proc = NULL;
    166   }
    167   GNUNET_free (ks);
    168 }
    169 
    170 
    171 /**
    172  * Offer "offlinesign" CMD internal data to other commands.
    173  *
    174  * @param cls closure.
    175  * @param[out] ret result
    176  * @param trait name of the trait.
    177  * @param index index number of the object to offer.
    178  * @return #GNUNET_OK on success.
    179  */
    180 static enum GNUNET_GenericReturnValue
    181 offlinesign_traits (void *cls,
    182                     const void **ret,
    183                     const char *trait,
    184                     unsigned int index)
    185 {
    186   struct OfflineSignState *ks = cls;
    187   struct TALER_TESTING_Trait traits[] = {
    188     TALER_TESTING_make_trait_process (&ks->offlinesign_proc),
    189     TALER_TESTING_trait_end ()
    190   };
    191 
    192   return TALER_TESTING_get_trait (traits,
    193                                   ret,
    194                                   trait,
    195                                   index);
    196 }
    197 
    198 
    199 struct TALER_TESTING_Command
    200 TALER_TESTING_cmd_exec_offline_sign_global_fees (
    201   const char *label,
    202   const char *config_filename,
    203   const char *history_fee,
    204   const char *account_fee,
    205   const char *purse_fee,
    206   struct GNUNET_TIME_Relative purse_timeout,
    207   struct GNUNET_TIME_Relative history_expiration,
    208   unsigned int num_purses)
    209 {
    210   struct OfflineSignState *ks;
    211 
    212   ks = GNUNET_new (struct OfflineSignState);
    213   ks->config_filename = config_filename;
    214   ks->history_fee_s = history_fee;
    215   ks->account_fee_s = account_fee;
    216   ks->purse_fee_s = purse_fee;
    217   ks->purse_timeout = purse_timeout;
    218   ks->history_expiration = history_expiration;
    219   ks->num_purses = num_purses;
    220   {
    221     struct TALER_TESTING_Command cmd = {
    222       .cls = ks,
    223       .label = label,
    224       .run = &offlinesign_run,
    225       .cleanup = &offlinesign_cleanup,
    226       .traits = &offlinesign_traits
    227     };
    228 
    229     return cmd;
    230   }
    231 }
    232 
    233 
    234 /* end of testing_api_cmd_exec_offline_sign_global_fees.c */