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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_amount-arithmetic-inconsistency-get.c (4509B)


      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 "taler/platform.h"
     17 #include <gnunet/gnunet_util_lib.h>
     18 #include <gnunet/gnunet_json_lib.h>
     19 #include <jansson.h>
     20 #include <microhttpd.h>
     21 #include <pthread.h>
     22 #include "taler/taler_json_lib.h"
     23 #include "taler/taler_mhd_lib.h"
     24 #include "taler-auditor-httpd.h"
     25 #include "taler-auditor-httpd_amount-arithmetic-inconsistency-get.h"
     26 
     27 
     28 /**
     29  * Add deposit confirmation to the list.
     30  *
     31  * @param[in,out] cls a `json_t *` array to extend
     32  * @param dc struct of inconsistencies
     33  * @return #GNUNET_OK to continue to iterate, #GNUNET_SYSERR to stop iterating
     34  */
     35 static enum GNUNET_GenericReturnValue
     36 add_amount_arithmetic_inconsistency (
     37   void *cls,
     38   const struct TALER_AUDITORDB_AmountArithmeticInconsistency *dc)
     39 {
     40   json_t *list = cls;
     41   json_t *obj;
     42 
     43   obj = GNUNET_JSON_PACK (
     44     GNUNET_JSON_pack_uint64 ("row_id",
     45                              dc->row_id),
     46     GNUNET_JSON_pack_uint64 ("problem_row_id",
     47                              dc->problem_row_id),
     48     GNUNET_JSON_pack_string ("operation",
     49                              dc->operation),
     50     TALER_JSON_pack_amount ("exchange_amount",
     51                             &dc->exchange_amount),
     52     TALER_JSON_pack_amount ("auditor_amount",
     53                             &dc->auditor_amount),
     54     GNUNET_JSON_pack_bool ("profitable",
     55                            dc->profitable),
     56     GNUNET_JSON_pack_bool ("suppressed",
     57                            dc->suppressed)
     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_AMOUNT_ARITHMETIC_INCONSISTENCY_handler_get (
     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   bool return_suppressed = false;
     80 
     81   (void) rh;
     82   (void) connection_cls;
     83   (void) upload_data;
     84   (void) upload_data_size;
     85   if (GNUNET_SYSERR ==
     86       TAH_plugin->preflight (TAH_plugin->cls))
     87   {
     88     GNUNET_break (0);
     89     return TALER_MHD_reply_with_error (connection,
     90                                        MHD_HTTP_INTERNAL_SERVER_ERROR,
     91                                        TALER_EC_GENERIC_DB_SETUP_FAILED,
     92                                        NULL);
     93   }
     94   ja = json_array ();
     95   GNUNET_break (NULL != ja);
     96   TALER_MHD_parse_request_snumber (connection,
     97                                    "limit",
     98                                    &limit);
     99   if (limit < 0)
    100     offset = INT64_MAX;
    101   else
    102     offset = 0;
    103   TALER_MHD_parse_request_number (connection,
    104                                   "offset",
    105                                   &offset);
    106   {
    107     const char *ret_s;
    108 
    109     ret_s = MHD_lookup_connection_value (connection,
    110                                          MHD_GET_ARGUMENT_KIND,
    111                                          "return_suppressed");
    112     if ( (ret_s != NULL) &&
    113          (0 == strcmp (ret_s,
    114                        "true")) )
    115     {
    116       return_suppressed = true;
    117     }
    118   }
    119 
    120   qs = TAH_plugin->get_amount_arithmetic_inconsistency (
    121     TAH_plugin->cls,
    122     limit,
    123     offset,
    124     return_suppressed,
    125     &add_amount_arithmetic_inconsistency,
    126     ja);
    127   if (0 > qs)
    128   {
    129     GNUNET_break (GNUNET_DB_STATUS_HARD_ERROR == qs);
    130     json_decref (ja);
    131     TALER_LOG_WARNING (
    132       "Failed to handle GET /amount-arithmetic-inconsistency in database\n");
    133     return TALER_MHD_reply_with_error (
    134       connection,
    135       MHD_HTTP_INTERNAL_SERVER_ERROR,
    136       TALER_EC_GENERIC_DB_FETCH_FAILED,
    137       "amount-arithmetic-inconsistency");
    138   }
    139   return TALER_MHD_REPLY_JSON_PACK (
    140     connection,
    141     MHD_HTTP_OK,
    142     GNUNET_JSON_pack_array_steal ("amount_arithmetic_inconsistency",
    143                                   ja));
    144 }