diff options
Diffstat (limited to 'src/exchangedb/pg_batch_reserves_in_insert.c')
| -rw-r--r-- | src/exchangedb/pg_batch_reserves_in_insert.c | 252 |
1 files changed, 0 insertions, 252 deletions
diff --git a/src/exchangedb/pg_batch_reserves_in_insert.c b/src/exchangedb/pg_batch_reserves_in_insert.c deleted file mode 100644 index f1e4a9362..000000000 --- a/src/exchangedb/pg_batch_reserves_in_insert.c +++ /dev/null @@ -1,252 +0,0 @@ -/* - 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_batch_reserves_in_insert.c - * @brief Implementation of the reserves_in_insert function for Postgres - * @author Joseph Xu - */ -#include "platform.h" -#include "taler_error_codes.h" -#include "taler_dbevents.h" -#include "taler_pq_lib.h" -#include "pg_batch_reserves_in_insert.h" -#include "pg_helper.h" -#include "pg_start.h" -#include "pg_rollback.h" -#include "pg_start_read_committed.h" -#include "pg_commit.h" -#include "pg_reserves_get.h" -#include "pg_reserves_update.h" -#include "pg_setup_wire_target.h" -#include "pg_event_notify.h" -#include "pg_preflight.h" - - -/** - * Generate event notification for the reserve change. - * - * @param reserve_pub reserve to notfiy on - */ -static char * -compute_notify_on_reserve (const struct TALER_ReservePublicKeyP *reserve_pub) -{ - struct TALER_ReserveEventP rep = { - .header.size = htons (sizeof (rep)), - .header.type = htons (TALER_DBEVENT_EXCHANGE_RESERVE_INCOMING), - .reserve_pub = *reserve_pub - }; - - return GNUNET_PG_get_event_notify_channel (&rep.header); -} - - -enum GNUNET_DB_QueryStatus -TEH_PG_batch_reserves_in_insert ( - void *cls, - const struct TALER_EXCHANGEDB_ReserveInInfo *reserves, - unsigned int reserves_length, - enum GNUNET_DB_QueryStatus *results) -{ - struct PostgresClosure *pg = cls; - enum GNUNET_DB_QueryStatus qs1; - struct GNUNET_TIME_Timestamp expiry; - struct GNUNET_TIME_Timestamp gc; - struct TALER_PaytoHashP h_payto; - uint64_t reserve_uuid; - struct GNUNET_TIME_Timestamp reserve_expiration - = GNUNET_TIME_relative_to_timestamp (pg->idle_reserve_expiration_time); - bool conflicts[reserves_length]; - char *notify_s[reserves_length]; - - if (GNUNET_OK != - TEH_PG_preflight (pg)) - { - GNUNET_break (0); - return GNUNET_DB_STATUS_HARD_ERROR; - } - PREPARE (pg, - "reserve_create", - "SELECT " - "out_reserve_found AS conflicted" - ",transaction_duplicate" - ",ruuid AS reserve_uuid" - " FROM exchange_do_batch_reserves_in_insert" - " ($1,$2,$3,$4,$5,$6,$7,$8,$9,$10,$11,$12);"); - expiry = GNUNET_TIME_absolute_to_timestamp ( - GNUNET_TIME_absolute_add (reserves->execution_time.abs_time, - pg->idle_reserve_expiration_time)); - gc = GNUNET_TIME_absolute_to_timestamp ( - GNUNET_TIME_absolute_add (GNUNET_TIME_absolute_get (), - pg->legal_reserve_expiration_time)); - GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, - "Creating reserve %s with expiration in %s\n", - TALER_B2S (reserves->reserve_pub), - GNUNET_STRINGS_relative_time_to_string ( - pg->idle_reserve_expiration_time, - GNUNET_NO)); - if (GNUNET_OK != - TEH_PG_start_read_committed (pg, - "READ_COMMITED")) - { - GNUNET_break (0); - return GNUNET_DB_STATUS_HARD_ERROR; - } - /* Optimistically assume this is a new reserve, create balance for the first - time; we do this before adding the actual transaction to "reserves_in", - as for a new reserve it can't be a duplicate 'add' operation, and as - the 'add' operation needs the reserve entry as a foreign key. */ - for (unsigned int i = 0; i<reserves_length; i++) - { - const struct TALER_EXCHANGEDB_ReserveInInfo *reserve = &reserves[i]; - notify_s[i] = compute_notify_on_reserve (reserve->reserve_pub); - } - bool need_update = false; - for (unsigned int i = 0; i<reserves_length; i++) - { - bool conflicted; - bool transaction_duplicate; - - struct GNUNET_PQ_QueryParam params[] = { - GNUNET_PQ_query_param_auto_from_type (reserves[i].reserve_pub), - GNUNET_PQ_query_param_timestamp (&expiry), - GNUNET_PQ_query_param_timestamp (&gc), - GNUNET_PQ_query_param_uint64 (&reserves[i].wire_reference), - TALER_PQ_query_param_amount (reserves[i].balance), - GNUNET_PQ_query_param_string (reserves[i].exchange_account_name), - GNUNET_PQ_query_param_timestamp (&reserves[i].execution_time), - GNUNET_PQ_query_param_auto_from_type (&h_payto), - GNUNET_PQ_query_param_string (reserves[i].sender_account_details), - GNUNET_PQ_query_param_timestamp (&reserve_expiration), - GNUNET_PQ_query_param_string (notify_s[i]), - GNUNET_PQ_query_param_end - }; - struct GNUNET_PQ_ResultSpec rs[] = { - GNUNET_PQ_result_spec_bool ("conflicted", - &conflicted), - GNUNET_PQ_result_spec_bool ("transaction_duplicate", - &transaction_duplicate), - GNUNET_PQ_result_spec_uint64 ("reserve_uuid", - &reserve_uuid), - GNUNET_PQ_result_spec_end - }; - - TALER_payto_hash (reserves[i].sender_account_details, - &h_payto); - /* Note: query uses 'on conflict do nothing' */ - qs1 = GNUNET_PQ_eval_prepared_singleton_select (pg->conn, - "reserve_create", - params, - rs); - if (qs1 < 0) - { - GNUNET_log (GNUNET_ERROR_TYPE_WARNING, - "Failed to create reserves (%d)\n", - qs1); - results[i] = qs1; - return qs1; - } - GNUNET_assert (GNUNET_DB_STATUS_SUCCESS_NO_RESULTS != qs1); - conflicts[i] = conflicted; - // fprintf(stdout, "%d", conflicts[i]); - if (conflicts[i] && transaction_duplicate) - { - GNUNET_break (0); - results[i] = GNUNET_DB_STATUS_HARD_ERROR; - TEH_PG_rollback (pg); - return GNUNET_DB_STATUS_HARD_ERROR; - } - results[i] = GNUNET_DB_STATUS_SUCCESS_ONE_RESULT; - need_update |= conflicted; - } - // commit - { - enum GNUNET_DB_QueryStatus cs; - - cs = TEH_PG_commit (pg); - if (cs < 0) - return cs; - } - if (! need_update) - goto exit; - // begin serializable - { - if (GNUNET_OK != - TEH_PG_start (pg, - "reserve-insert-continued")) - { - GNUNET_break (0); - return GNUNET_DB_STATUS_HARD_ERROR; - } - } - - enum GNUNET_DB_QueryStatus qs2; - PREPARE (pg, - "reserves_in_add_transaction", - "SELECT" - " out_duplicate AS duplicate" - " FROM exchange_do_batch_reserves_update" - " ($1,$2,$3,$4,$5,$6,$7,$8);"); - for (unsigned int i = 0; i<reserves_length; i++) - { - if (! conflicts[i]) - continue; - { - bool duplicate; - struct GNUNET_PQ_QueryParam params[] = { - GNUNET_PQ_query_param_auto_from_type (reserves[i].reserve_pub), - GNUNET_PQ_query_param_timestamp (&expiry), - GNUNET_PQ_query_param_uint64 (&reserves[i].wire_reference), - TALER_PQ_query_param_amount (reserves[i].balance), - GNUNET_PQ_query_param_string (reserves[i].exchange_account_name), - GNUNET_PQ_query_param_auto_from_type (&h_payto), - GNUNET_PQ_query_param_string (notify_s[i]), - GNUNET_PQ_query_param_end - }; - struct GNUNET_PQ_ResultSpec rs[] = { - GNUNET_PQ_result_spec_bool ("duplicate", - &duplicate), - GNUNET_PQ_result_spec_end - }; - qs2 = GNUNET_PQ_eval_prepared_singleton_select (pg->conn, - "reserves_in_add_transaction", - params, - rs); - if (qs2 < 0) - { - GNUNET_log (GNUNET_ERROR_TYPE_WARNING, - "Failed to update reserves (%d)\n", - qs2); - results[i] = qs2; - return qs2; - } - results[i] = duplicate - ? GNUNET_DB_STATUS_SUCCESS_NO_RESULTS - : GNUNET_DB_STATUS_SUCCESS_ONE_RESULT; - } - } - { - enum GNUNET_DB_QueryStatus cs; - - cs = TEH_PG_commit (pg); - if (cs < 0) - return cs; - } -exit: - for (unsigned int i = 0; i<reserves_length; i++) - GNUNET_free (notify_s[i]); - - return reserves_length; -} |