pg_insert_transfer_details.c (7339B)
1 /* 2 This file is part of TALER 3 Copyright (C) 2022, 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 backenddb/pg_insert_transfer_details.c 18 * @brief Implementation of the insert_transfer_details 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_insert_transfer_details.h" 26 #include "pg_helper.h" 27 28 29 /** 30 * How often do we re-try if we run into a DB serialization error? 31 */ 32 #define MAX_RETRIES 3 33 34 35 enum GNUNET_DB_QueryStatus 36 TMH_PG_insert_transfer_details ( 37 void *cls, 38 const char *instance_id, 39 const char *exchange_url, 40 struct TALER_FullPayto payto_uri, 41 const struct TALER_WireTransferIdentifierRawP *wtid, 42 const struct TALER_EXCHANGE_TransferData *td) 43 { 44 struct PostgresClosure *pg = cls; 45 unsigned int len = td->details_length; 46 struct TALER_Amount coin_values[GNUNET_NZL (len)]; 47 struct TALER_Amount deposit_fees[GNUNET_NZL (len)]; 48 const struct TALER_CoinSpendPublicKeyP *coin_pubs[GNUNET_NZL (len)]; 49 const struct TALER_PrivateContractHashP *contract_terms[GNUNET_NZL (len)]; 50 enum GNUNET_DB_QueryStatus qs; 51 bool duplicate; 52 53 for (unsigned int i = 0; i<len; i++) 54 { 55 const struct TALER_TrackTransferDetails *tdd = &td->details[i]; 56 57 coin_values[i] = tdd->coin_value; 58 deposit_fees[i] = tdd->coin_fee; 59 coin_pubs[i] = &tdd->coin_pub; 60 contract_terms[i] = &tdd->h_contract_terms; 61 } 62 63 check_connection (pg); 64 PREPARE (pg, 65 "insert_transfer_details", 66 "SELECT" 67 " out_no_instance" 68 ",out_no_account" 69 ",out_no_exchange" 70 ",out_duplicate" 71 ",out_conflict" 72 ",out_order_id" 73 ",out_merchant_pub" 74 " FROM merchant_do_insert_transfer_details" 75 " ($1,$2,$3,$4,$5,$6,$7,$8,$9,$10,$11,$12,$13);"); 76 77 for (unsigned int retries = 0; 78 retries < MAX_RETRIES; 79 retries++) 80 { 81 if (GNUNET_OK != 82 TMH_PG_start (pg, 83 "insert transfer details")) 84 { 85 GNUNET_break (0); 86 return GNUNET_DB_STATUS_HARD_ERROR; 87 } 88 89 { 90 struct GNUNET_PQ_QueryParam params[] = { 91 GNUNET_PQ_query_param_string (instance_id), 92 GNUNET_PQ_query_param_string (exchange_url), 93 GNUNET_PQ_query_param_string (payto_uri.full_payto), 94 GNUNET_PQ_query_param_auto_from_type (wtid), 95 GNUNET_PQ_query_param_timestamp (&td->execution_time), 96 GNUNET_PQ_query_param_auto_from_type (&td->exchange_pub), 97 GNUNET_PQ_query_param_auto_from_type (&td->exchange_sig), 98 TALER_PQ_query_param_amount_with_currency (pg->conn, 99 &td->total_amount), 100 TALER_PQ_query_param_amount_with_currency (pg->conn, 101 &td->wire_fee), 102 TALER_PQ_query_param_array_amount_with_currency ( 103 len, 104 coin_values, 105 pg->conn), 106 TALER_PQ_query_param_array_amount_with_currency ( 107 len, 108 deposit_fees, 109 pg->conn), 110 GNUNET_PQ_query_param_array_ptrs_auto_from_type ( 111 len, 112 coin_pubs, 113 pg->conn), 114 GNUNET_PQ_query_param_array_ptrs_auto_from_type ( 115 len, 116 contract_terms, 117 pg->conn), 118 GNUNET_PQ_query_param_end 119 }; 120 bool no_instance; 121 bool no_account; 122 bool no_exchange; 123 bool conflict; 124 char *order_id = NULL; 125 struct TALER_MerchantPublicKeyP merchant_pub; 126 struct GNUNET_PQ_ResultSpec rs[] = { 127 GNUNET_PQ_result_spec_bool ("out_no_instance", 128 &no_instance), 129 GNUNET_PQ_result_spec_bool ("out_no_account", 130 &no_account), 131 GNUNET_PQ_result_spec_bool ("out_no_exchange", 132 &no_exchange), 133 GNUNET_PQ_result_spec_bool ("out_duplicate", 134 &duplicate), 135 GNUNET_PQ_result_spec_bool ("out_conflict", 136 &conflict), 137 GNUNET_PQ_result_spec_allow_null ( 138 GNUNET_PQ_result_spec_string ("out_order_id", 139 &order_id), 140 NULL), 141 GNUNET_PQ_result_spec_allow_null ( 142 GNUNET_PQ_result_spec_auto_from_type ("out_merchant_pub", 143 &merchant_pub), 144 NULL), 145 GNUNET_PQ_result_spec_end 146 }; 147 148 qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn, 149 "insert_transfer_details", 150 params, 151 rs); 152 GNUNET_PQ_cleanup_query_params_closures (params); 153 if (0 >= qs) 154 { 155 GNUNET_break (GNUNET_DB_STATUS_SOFT_ERROR == qs); 156 TMH_PG_rollback (pg); 157 if (GNUNET_DB_STATUS_SOFT_ERROR == qs) 158 continue; 159 GNUNET_log (GNUNET_ERROR_TYPE_INFO, 160 "'insert_transfer_details' failed with status %d\n", 161 qs); 162 return qs; 163 } 164 if (NULL != order_id) 165 { 166 struct TMH_OrderPayEventP pay_eh = { 167 .header.size = htons (sizeof (pay_eh)), 168 .header.type = htons (TALER_DBEVENT_MERCHANT_ORDER_STATUS_CHANGED), 169 .merchant_pub = merchant_pub 170 }; 171 172 GNUNET_log (GNUNET_ERROR_TYPE_INFO, 173 "Notifying clients about status change of order %s\n", 174 order_id); 175 GNUNET_CRYPTO_hash (order_id, 176 strlen (order_id), 177 &pay_eh.h_order_id); 178 GNUNET_PQ_event_notify (pg->conn, 179 &pay_eh.header, 180 NULL, 181 0); 182 GNUNET_free (order_id); 183 } 184 GNUNET_log (GNUNET_ERROR_TYPE_INFO, 185 "Transfer details inserted: %s%s%s%s%s\n", 186 no_instance ? "no instance " : "", 187 no_account ? "no account " : "", 188 no_exchange ? "no exchange ": "", 189 duplicate ? "duplicate ": "", 190 conflict ? "conflict" : ""); 191 } 192 193 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, 194 "Committing transaction...\n"); 195 qs = TMH_PG_commit (pg); 196 if (GNUNET_DB_STATUS_SUCCESS_NO_RESULTS == qs) 197 return GNUNET_DB_STATUS_SUCCESS_ONE_RESULT; 198 GNUNET_break (GNUNET_DB_STATUS_SOFT_ERROR == qs); 199 if (GNUNET_DB_STATUS_SOFT_ERROR != qs) 200 break; 201 } 202 if (duplicate) 203 return GNUNET_DB_STATUS_SUCCESS_NO_RESULTS; 204 return qs; 205 }