exchange

Base system with REST service to issue digital coins, run by the payment service provider
Log | Files | Refs | Submodules | README | LICENSE

pg_do_deposit.c (5873B)


      1 /*
      2    This file is part of TALER
      3    Copyright (C) 2022-2024 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 /**
     17  * @file exchangedb/pg_do_deposit.c
     18  * @brief Implementation of the do_deposit function for Postgres
     19  * @author Christian Grothoff
     20  */
     21 #include "taler/platform.h"
     22 #include "taler/taler_error_codes.h"
     23 #include "taler/taler_dbevents.h"
     24 #include "taler/taler_pq_lib.h"
     25 #include "pg_do_deposit.h"
     26 #include "pg_helper.h"
     27 #include "pg_compute_shard.h"
     28 
     29 
     30 enum GNUNET_DB_QueryStatus
     31 TEH_PG_do_deposit (
     32   void *cls,
     33   const struct TALER_EXCHANGEDB_BatchDeposit *bd,
     34   struct GNUNET_TIME_Timestamp *exchange_timestamp,
     35   bool *balance_ok,
     36   uint32_t *bad_balance_index,
     37   bool *ctr_conflict)
     38 {
     39   struct PostgresClosure *pg = cls;
     40   uint64_t deposit_shard = TEH_PG_compute_shard (&bd->merchant_pub);
     41   const struct TALER_CoinSpendPublicKeyP *coin_pubs[GNUNET_NZL (bd->num_cdis)];
     42   const struct TALER_CoinSpendSignatureP *coin_sigs[GNUNET_NZL (bd->num_cdis)];
     43   struct TALER_Amount amounts_with_fee[GNUNET_NZL (bd->num_cdis)];
     44   struct TALER_Amount total_amount;
     45   struct TALER_NormalizedPaytoHashP h_normalized_payto;
     46   struct GNUNET_PQ_QueryParam params[] = {
     47     /* data for batch_deposits */
     48     GNUNET_PQ_query_param_uint64 (&deposit_shard),
     49     GNUNET_PQ_query_param_auto_from_type (&bd->merchant_pub),
     50     GNUNET_PQ_query_param_auto_from_type (&bd->merchant_sig),
     51     GNUNET_PQ_query_param_timestamp (&bd->wallet_timestamp),
     52     GNUNET_PQ_query_param_timestamp (exchange_timestamp),
     53     GNUNET_PQ_query_param_timestamp (&bd->refund_deadline),
     54     GNUNET_PQ_query_param_timestamp (&bd->wire_deadline),
     55     GNUNET_PQ_query_param_auto_from_type (&bd->h_contract_terms),
     56     (bd->no_wallet_data_hash)
     57     ? GNUNET_PQ_query_param_null ()
     58     : GNUNET_PQ_query_param_auto_from_type (&bd->wallet_data_hash),
     59     GNUNET_PQ_query_param_auto_from_type (&bd->wire_salt),
     60     GNUNET_PQ_query_param_auto_from_type (&bd->wire_target_h_payto),
     61     GNUNET_PQ_query_param_auto_from_type (&h_normalized_payto),
     62     (0 == bd->policy_details_serial_id)
     63     ? GNUNET_PQ_query_param_null ()
     64     : GNUNET_PQ_query_param_uint64 (&bd->policy_details_serial_id),
     65     GNUNET_PQ_query_param_bool (bd->policy_blocked),
     66     /* to create entry in wire_targets */
     67     GNUNET_PQ_query_param_string (bd->receiver_wire_account.full_payto),
     68     /* arrays for coin_deposits */
     69     GNUNET_PQ_query_param_array_ptrs_auto_from_type (bd->num_cdis,
     70                                                      coin_pubs,
     71                                                      pg->conn),
     72     GNUNET_PQ_query_param_array_ptrs_auto_from_type (bd->num_cdis,
     73                                                      coin_sigs,
     74                                                      pg->conn),
     75     TALER_PQ_query_param_array_amount (bd->num_cdis,
     76                                        amounts_with_fee,
     77                                        pg->conn),
     78     TALER_PQ_query_param_amount (pg->conn,
     79                                  &total_amount),
     80     GNUNET_PQ_query_param_bool (TALER_payto_is_wallet (
     81                                   bd->receiver_wire_account.full_payto)),
     82     GNUNET_PQ_query_param_end
     83   };
     84   bool no_time;
     85   struct GNUNET_PQ_ResultSpec rs[] = {
     86     GNUNET_PQ_result_spec_allow_null (
     87       GNUNET_PQ_result_spec_timestamp ("exchange_timestamp",
     88                                        exchange_timestamp),
     89       &no_time),
     90     GNUNET_PQ_result_spec_allow_null (
     91       GNUNET_PQ_result_spec_uint32 ("insufficient_balance_coin_index",
     92                                     bad_balance_index),
     93       balance_ok),
     94     GNUNET_PQ_result_spec_bool ("conflicted",
     95                                 ctr_conflict),
     96     GNUNET_PQ_result_spec_end
     97   };
     98   enum GNUNET_DB_QueryStatus qs;
     99 
    100   GNUNET_assert (0 < bd->num_cdis);
    101   TALER_full_payto_normalize_and_hash (bd->receiver_wire_account,
    102                                        &h_normalized_payto);
    103   for (unsigned int i = 0; i < bd->num_cdis; i++)
    104   {
    105     const struct TALER_EXCHANGEDB_CoinDepositInformation *cdi
    106       = &bd->cdis[i];
    107 
    108     if (0 == i)
    109     {
    110       total_amount = cdi->amount_with_fee;
    111     }
    112     else
    113     {
    114       GNUNET_assert (0 <=
    115                      TALER_amount_add (&total_amount,
    116                                        &total_amount,
    117                                        &cdi->amount_with_fee));
    118     }
    119     amounts_with_fee[i] = cdi->amount_with_fee;
    120     coin_pubs[i] = &cdi->coin.coin_pub;
    121     coin_sigs[i] = &cdi->csig;
    122     GNUNET_log (GNUNET_ERROR_TYPE_INFO,
    123                 "Do deposit %u = %s\n",
    124                 i,
    125                 TALER_B2S (&cdi->coin.coin_pub));
    126   }
    127   PREPARE (pg,
    128            "call_deposit",
    129            "SELECT "
    130            " out_exchange_timestamp AS exchange_timestamp"
    131            ",out_insufficient_balance_coin_index AS insufficient_balance_coin_index"
    132            ",out_conflict AS conflicted"
    133            " FROM exchange_do_deposit"
    134            " ($1,$2,$3,$4,$5,$6,$7,$8,$9,$10,$11,$12,$13,$14,$15,$16,$17,$18,$19,$20);");
    135   qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
    136                                                  "call_deposit",
    137                                                  params,
    138                                                  rs);
    139   GNUNET_PQ_cleanup_query_params_closures (params);
    140   return qs;
    141 }