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Base system with REST service to issue digital coins, run by the payment service provider
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taler-auditor-httpd_get-monitoring-denomination-pending.c (4078B)


      1 /*
      2    This file is part of TALER
      3    Copyright (C) 2024 Taler Systems SA
      4 
      5    TALER is free software; you can redistribute it and/or modify it under the
      6    terms of the GNU General Public License as published by the Free Software
      7    Foundation; either version 3, or (at your option) any later version.
      8 
      9    TALER is distributed in the hope that it will be useful, but WITHOUT ANY
     10    WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
     11    A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
     12 
     13    You should have received a copy of the GNU General Public License along with
     14    TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
     15  */
     16 #include <gnunet/gnunet_util_lib.h>
     17 #include <gnunet/gnunet_json_lib.h>
     18 #include <jansson.h>
     19 #include <microhttpd.h>
     20 #include <pthread.h>
     21 #include "taler/taler_json_lib.h"
     22 #include "taler/taler_mhd_lib.h"
     23 #include "taler-auditor-httpd.h"
     24 #include "taler-auditor-httpd_get-monitoring-denomination-pending.h"
     25 #include "auditor-database/get_denomination_pending.h"
     26 #include "auditor-database/preflight.h"
     27 
     28 /**
     29  * Add denomination-pending to the list.
     30  *
     31  * @param[in,out] cls a `json_t *` array to extend
     32  * @param serial_id location of the @a dc in the database
     33  * @param dc struct of inconsistencies
     34  * @return #GNUNET_OK to continue to iterate, #GNUNET_SYSERR to stop iterating
     35  */
     36 static enum GNUNET_GenericReturnValue
     37 process_denomination_pending (
     38   void *cls,
     39   uint64_t serial_id,
     40   const struct TALER_AUDITORDB_DenominationPending *dc)
     41 {
     42   json_t *list = cls;
     43   json_t *obj;
     44 
     45   obj = GNUNET_JSON_PACK (
     46     GNUNET_JSON_pack_data_auto ("denom_pub_hash",
     47                                 &dc->denom_pub_hash),
     48     TALER_JSON_pack_amount ("denom_balance",
     49                             &dc->denom_balance),
     50     TALER_JSON_pack_amount ("denom_loss",
     51                             &dc->denom_loss),
     52     GNUNET_JSON_pack_int64 ("num_issued",
     53                             dc->num_issued),
     54     TALER_JSON_pack_amount ("denom_risk",
     55                             &dc->denom_risk),
     56     TALER_JSON_pack_amount ("recoup_loss",
     57                             &dc->recoup_loss)
     58     );
     59   GNUNET_break (0 ==
     60                 json_array_append_new (list,
     61                                        obj));
     62   return GNUNET_OK;
     63 }
     64 
     65 
     66 MHD_RESULT
     67 TAH_get_monitoring_denomination_pending (
     68   struct TAH_RequestHandler *rh,
     69   struct MHD_Connection *connection,
     70   void **connection_cls,
     71   const char *upload_data,
     72   size_t *upload_data_size,
     73   const char *const args[])
     74 {
     75   json_t *ja;
     76   enum GNUNET_DB_QueryStatus qs;
     77   int64_t limit = -20;
     78   uint64_t offset;
     79 
     80   (void) rh;
     81   (void) connection_cls;
     82   (void) upload_data;
     83   (void) upload_data_size;
     84   if (GNUNET_SYSERR ==
     85       TALER_AUDITORDB_preflight (TAH_apg))
     86   {
     87     GNUNET_break (0);
     88     return TALER_MHD_reply_with_error (connection,
     89                                        MHD_HTTP_INTERNAL_SERVER_ERROR,
     90                                        TALER_EC_GENERIC_DB_SETUP_FAILED,
     91                                        NULL);
     92   }
     93   TALER_MHD_parse_request_snumber (connection,
     94                                    "limit",
     95                                    &limit);
     96   if (limit < 0)
     97     offset = INT64_MAX;
     98   else
     99     offset = 0;
    100   TALER_MHD_parse_request_number (connection,
    101                                   "offset",
    102                                   &offset);
    103   ja = json_array ();
    104   GNUNET_break (NULL != ja);
    105   qs = TALER_AUDITORDB_get_denomination_pending (
    106     TAH_apg,
    107     limit,
    108     offset,
    109     &process_denomination_pending,
    110     ja);
    111 
    112   if (0 > qs)
    113   {
    114     GNUNET_break (GNUNET_DB_STATUS_HARD_ERROR == qs);
    115     json_decref (ja);
    116     TALER_LOG_WARNING (
    117       "Failed to handle GET /denomination-pending");
    118     return TALER_MHD_reply_with_error (
    119       connection,
    120       MHD_HTTP_INTERNAL_SERVER_ERROR,
    121       TALER_EC_GENERIC_DB_FETCH_FAILED,
    122       "get_denomination_pending");
    123   }
    124   return TALER_MHD_REPLY_JSON_PACK (
    125     connection,
    126     MHD_HTTP_OK,
    127     GNUNET_JSON_pack_array_steal ("denomination_pending",
    128                                   ja));
    129 }