merchant

Merchant backend to process payments, run by merchants
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insert_deposit_confirmation.c (5471B)


      1 /*
      2    This file is part of TALER
      3    Copyright (C) 2022, 2023, 2024, 2026 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 /**
     17  * @file src/backenddb/insert_deposit_confirmation.c
     18  * @brief Implementation of the insert_deposit_confirmation function for Postgres
     19  * @author Christian Grothoff
     20  */
     21 #include "platform.h"
     22 #include <taler/taler_pq_lib.h>
     23 #include "merchant-database/insert_deposit_confirmation.h"
     24 #include "helper.h"
     25 
     26 
     27 enum GNUNET_DB_QueryStatus
     28 TALER_MERCHANTDB_insert_deposit_confirmation (
     29   struct TALER_MERCHANTDB_PostgresContext *pg,
     30   const char *instance_id,
     31   struct GNUNET_TIME_Timestamp deposit_timestamp,
     32   const struct TALER_PrivateContractHashP *h_contract_terms,
     33   const char *exchange_url,
     34   struct GNUNET_TIME_Timestamp wire_transfer_deadline,
     35   const struct TALER_Amount *total_without_fees,
     36   const struct TALER_Amount *wire_fee,
     37   const struct TALER_MerchantWireHashP *h_wire,
     38   const struct TALER_ExchangeSignatureP *exchange_sig,
     39   const struct TALER_ExchangePublicKeyP *exchange_pub,
     40   uint64_t *deposit_confirmation_serial_id)
     41 {
     42   struct GNUNET_TIME_AbsoluteNBO nbo
     43     = GNUNET_TIME_absolute_hton (wire_transfer_deadline.abs_time);
     44   char *nbo_str
     45     = GNUNET_STRINGS_data_to_string_alloc (&nbo,
     46                                            sizeof (nbo));
     47   struct GNUNET_PQ_QueryParam params[] = {
     48     GNUNET_PQ_query_param_auto_from_type (h_contract_terms),
     49     GNUNET_PQ_query_param_timestamp (&deposit_timestamp),
     50     GNUNET_PQ_query_param_string (exchange_url),
     51     TALER_PQ_query_param_amount_with_currency (pg->conn,
     52                                                total_without_fees),
     53     TALER_PQ_query_param_amount_with_currency (pg->conn,
     54                                                wire_fee),
     55     GNUNET_PQ_query_param_auto_from_type (h_wire), /* 6 */
     56     GNUNET_PQ_query_param_auto_from_type (exchange_sig),
     57     GNUNET_PQ_query_param_auto_from_type (exchange_pub),
     58     GNUNET_PQ_query_param_timestamp (&wire_transfer_deadline),
     59     GNUNET_PQ_query_param_string (nbo_str),
     60     GNUNET_PQ_query_param_end
     61   };
     62   bool no_order;
     63   bool no_account;
     64   bool no_signkey;
     65   bool conflict;
     66   struct GNUNET_PQ_ResultSpec rs[] = {
     67     GNUNET_PQ_result_spec_bool ("no_order",
     68                                 &no_order),
     69     GNUNET_PQ_result_spec_bool ("no_account",
     70                                 &no_account),
     71     GNUNET_PQ_result_spec_bool ("no_signkey",
     72                                 &no_signkey),
     73     GNUNET_PQ_result_spec_bool ("conflict",
     74                                 &conflict),
     75     GNUNET_PQ_result_spec_uint64 ("deposit_confirmation_serial",
     76                                   deposit_confirmation_serial_id),
     77     GNUNET_PQ_result_spec_end
     78   };
     79   enum GNUNET_DB_QueryStatus qs;
     80 
     81   GNUNET_assert (NULL != pg->current_merchant_id);
     82   GNUNET_assert (0 == strcmp (instance_id,
     83                               pg->current_merchant_id));
     84   /* no preflight check here, run in transaction by caller! */
     85   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
     86               "Storing deposit confirmation for instance `%s' h_contract_terms `%s', total_without_fees: %s and wire transfer deadline in %s\n",
     87               instance_id,
     88               GNUNET_h2s (&h_contract_terms->hash),
     89               TALER_amount2s (total_without_fees),
     90               GNUNET_TIME_relative2s (
     91                 GNUNET_TIME_absolute_get_remaining (
     92                   wire_transfer_deadline.abs_time),
     93                 true));
     94   check_connection (pg);
     95   TMH_PQ_prepare_anon (pg,
     96                        "SELECT "
     97                        "  out_no_account AS no_account"
     98                        " ,out_no_order AS no_order"
     99                        " ,out_no_signkey AS no_signkey"
    100                        " ,out_conflict AS conflict"
    101                        " ,out_deposit_confirmation_serial AS deposit_confirmation_serial"
    102                        " FROM merchant_do_insert_deposit_confirmation"
    103                        "  ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10);");
    104   qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
    105                                                  "",
    106                                                  params,
    107                                                  rs);
    108   GNUNET_free (nbo_str);
    109   GNUNET_break (GNUNET_DB_STATUS_SUCCESS_NO_RESULTS != qs);
    110   if (qs < 0)
    111     return qs;
    112   // FIXME: in the future, return these codes to the client and
    113   // return more specific error codes to the client from the API!
    114   if (no_order)
    115   {
    116     GNUNET_break (0);
    117     return GNUNET_DB_STATUS_SUCCESS_NO_RESULTS;
    118   }
    119   if (no_account)
    120   {
    121     GNUNET_break (0);
    122     return GNUNET_DB_STATUS_SUCCESS_NO_RESULTS;
    123   }
    124   if (no_signkey)
    125   {
    126     GNUNET_break (0);
    127     return GNUNET_DB_STATUS_SUCCESS_NO_RESULTS;
    128   }
    129   if (conflict)
    130   {
    131     GNUNET_break (0);
    132     return GNUNET_DB_STATUS_SUCCESS_NO_RESULTS;
    133   }
    134   GNUNET_assert (0 != *deposit_confirmation_serial_id);
    135   return qs;
    136 }