diff options
Diffstat (limited to 'src/exchangedb/pg_do_purse_merge.c')
-rw-r--r-- | src/exchangedb/pg_do_purse_merge.c | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/src/exchangedb/pg_do_purse_merge.c b/src/exchangedb/pg_do_purse_merge.c new file mode 100644 index 000000000..518b66bf6 --- /dev/null +++ b/src/exchangedb/pg_do_purse_merge.c @@ -0,0 +1,92 @@ +/* + This file is part of TALER + Copyright (C) 2022 Taler Systems SA + + TALER is free software; you can redistribute it and/or modify it under the + terms of the GNU General Public License as published by the Free Software + Foundation; either version 3, or (at your option) any later version. + + TALER is distributed in the hope that it will be useful, but WITHOUT ANY + WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR + A PARTICULAR PURPOSE. See the GNU General Public License for more details. + + You should have received a copy of the GNU General Public License along with + TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/> + */ +/** + * @file exchangedb/pg_do_purse_merge.c + * @brief Implementation of the do_purse_merge function for Postgres + * @author Christian Grothoff + */ +#include "platform.h" +#include "taler_error_codes.h" +#include "taler_dbevents.h" +#include "taler_pq_lib.h" +#include "pg_do_purse_merge.h" +#include "pg_helper.h" + + +enum GNUNET_DB_QueryStatus +TEH_PG_do_purse_merge ( + void *cls, + const struct TALER_PurseContractPublicKeyP *purse_pub, + const struct TALER_PurseMergeSignatureP *merge_sig, + const struct GNUNET_TIME_Timestamp merge_timestamp, + const struct TALER_ReserveSignatureP *reserve_sig, + const char *partner_url, + const struct TALER_ReservePublicKeyP *reserve_pub, + bool *no_partner, + bool *no_balance, + bool *in_conflict) +{ + struct PostgresClosure *pg = cls; + struct TALER_PaytoHashP h_payto; + struct GNUNET_TIME_Timestamp expiration + = GNUNET_TIME_relative_to_timestamp (pg->legal_reserve_expiration_time); + struct GNUNET_PQ_QueryParam params[] = { + GNUNET_PQ_query_param_auto_from_type (purse_pub), + GNUNET_PQ_query_param_auto_from_type (merge_sig), + GNUNET_PQ_query_param_timestamp (&merge_timestamp), + GNUNET_PQ_query_param_auto_from_type (reserve_sig), + (NULL == partner_url) + ? GNUNET_PQ_query_param_null () + : GNUNET_PQ_query_param_string (partner_url), + GNUNET_PQ_query_param_auto_from_type (reserve_pub), + GNUNET_PQ_query_param_auto_from_type (&h_payto), + GNUNET_PQ_query_param_timestamp (&expiration), + GNUNET_PQ_query_param_end + }; + struct GNUNET_PQ_ResultSpec rs[] = { + GNUNET_PQ_result_spec_bool ("no_partner", + no_partner), + GNUNET_PQ_result_spec_bool ("no_balance", + no_balance), + GNUNET_PQ_result_spec_bool ("conflict", + in_conflict), + GNUNET_PQ_result_spec_end + }; + + { + char *payto_uri; + + payto_uri = TALER_reserve_make_payto (pg->exchange_url, + reserve_pub); + TALER_payto_hash (payto_uri, + &h_payto); + GNUNET_free (payto_uri); + } + /* Used in #postgres_do_purse_merge() */ + PREPARE (pg, + "call_purse_merge", + "SELECT" + " out_no_partner AS no_partner" + ",out_no_balance AS no_balance" + ",out_conflict AS conflict" + " FROM exchange_do_purse_merge" + " ($1, $2, $3, $4, $5, $6, $7, $8);"); + + return GNUNET_PQ_eval_prepared_singleton_select (pg->conn, + "call_purse_merge", + params, + rs); +} |