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remove more functions

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Joseph 2022-11-14 07:35:56 -05:00
parent 41e3c1ecbf
commit 6991ca011b
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209 changed files with 15676 additions and 4367 deletions
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2
contrib/gana

@ -1 +1 @@
Subproject commit a4a6b9ba4b2634c56194d53e36344686d7052cef
Subproject commit d83d2584fd4698719b8eb78a4e0e9c8dad698aca

103
src/exchangedb/Makefile.am
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@ -68,7 +68,10 @@ endif
libtaler_plugin_exchangedb_postgres_la_SOURCES = \
plugin_exchangedb_common.c plugin_exchangedb_common.h \
pg_setup_wire_target.h pg_setup_wire_target.c \
pg_compute_shard.h pg_compute_shard.c \
plugin_exchangedb_postgres.c pg_helper.h \
pg_reserves_update.h pg_reserves_update.c \
pg_insert_aggregation_tracking.h pg_insert_aggregation_tracking.c \
pg_select_aggregation_amounts_for_kyc_check.h pg_select_aggregation_amounts_for_kyc_check.c \
pg_lookup_wire_fee_by_time.h pg_lookup_wire_fee_by_time.c \
@ -90,6 +93,106 @@ libtaler_plugin_exchangedb_postgres_la_SOURCES = \
pg_select_purse_merge.h pg_select_purse_merge.c \
pg_select_contract_by_purse.h pg_select_contract_by_purse.c \
pg_insert_drain_profit.h pg_insert_drain_profit.c \
pg_create_tables.h pg_create_tables.c \
pg_setup_foreign_servers.h pg_setup_foreign_servers.c \
pg_event_listen.h pg_event_listen.c \
pg_event_listen_cancel.h pg_event_listen_cancel.c \
pg_event_notify.h pg_event_notify.c \
pg_get_denomination_info.h pg_get_denomination_info.c \
pg_iterate_denomination_info.h pg_iterate_denomination_info.c \
pg_iterate_denominations.h pg_iterate_denominations.c \
pg_iterate_active_auditors.h pg_iterate_active_auditors.c \
pg_iterate_auditor_denominations.h pg_iterate_auditor_denominations.c \
pg_reserves_get.h pg_reserves_get.c \
pg_reserves_get_origin.h pg_reserves_get_origin.c \
pg_drain_kyc_alert.h pg_drain_kyc_alert.c \
pg_reserves_in_insert.h pg_reserves_in_insert.c \
pg_get_withdraw_info.h pg_get_withdraw_info.c \
pg_do_batch_withdraw.h pg_do_batch_withdraw.c \
pg_get_policy_details.h pg_get_policy_details.c \
pg_persist_policy_details.h pg_persist_policy_details.c \
pg_do_deposit.h pg_do_deposit.c \
pg_add_policy_fulfillment_proof.h pg_add_policy_fulfillment_proof.c \
pg_do_melt.h pg_do_melt.c \
pg_do_refund.h pg_do_refund.c \
pg_do_recoup.h pg_do_recoup.c \
pg_do_recoup_refresh.h pg_do_recoup_refresh.c \
pg_get_reserve_balance.h pg_get_reserve_balance.c \
pg_count_known_coins.h pg_count_known_coins.c \
pg_ensure_coin_known.h pg_ensure_coin_known.c \
pg_get_known_coin.h pg_get_known_coin.c \
pg_get_coin_denomination.h pg_get_coin_denomination.c \
pg_have_deposit2.h pg_have_deposit2.c \
pg_aggregate.h pg_aggregate.c \
pg_create_aggregation_transient.h pg_create_aggregation_transient.c \
pg_select_aggregation_transient.h pg_select_aggregation_transient.c \
pg_find_aggregation_transient.h pg_find_aggregation_transient.c \
pg_update_aggregation_transient.h pg_update_aggregation_transient.c \
pg_get_ready_deposit.h pg_get_ready_deposit.c \
pg_insert_deposit.h pg_insert_deposit.c \
pg_insert_refund.h pg_insert_refund.c \
pg_select_refunds_by_coin.h pg_select_refunds_by_coin.c \
pg_get_melt.h pg_get_melt.c \
pg_insert_refresh_reveal.h pg_insert_refresh_reveal.c \
pg_get_refresh_reveal.h pg_get_refresh_reveal.c \
pg_lookup_wire_transfer.h pg_lookup_wire_transfer.c \
pg_lookup_transfer_by_deposit.h pg_lookup_transfer_by_deposit.c \
pg_insert_wire_fee.h pg_insert_wire_fee.c \
pg_insert_global_fee.h pg_insert_global_fee.c \
pg_get_wire_fee.h pg_get_wire_fee.c \
pg_get_global_fee.h pg_get_global_fee.c \
pg_get_global_fees.h pg_get_global_fees.c \
pg_insert_reserve_closed.h pg_insert_reserve_closed.c \
pg_wire_prepare_data_insert.h pg_wire_prepare_data_insert.c \
pg_wire_prepare_data_mark_finished.h pg_wire_prepare_data_mark_finished.c \
pg_wire_prepare_data_mark_failed.h pg_wire_prepare_data_mark_failed.c \
pg_wire_prepare_data_get.h pg_wire_prepare_data_get.c \
pg_start_deferred_wire_out.h pg_start_deferred_wire_out.c \
pg_store_wire_transfer_out.h pg_store_wire_transfer_out.c \
pg_gc.h pg_gc.c \
pg_select_deposits_above_serial_id.h pg_select_deposits_above_serial_id.c \
pg_select_history_requests_above_serial_id.h pg_select_history_requests_above_serial_id.c \
pg_select_purse_decisions_above_serial_id.h pg_select_purse_decisions_above_serial_id.c \
pg_select_purse_deposits_by_purse.h pg_select_purse_deposits_by_purse.c \
pg_select_refreshes_above_serial_id.h pg_select_refreshes_above_serial_id.c \
pg_select_refunds_above_serial_id.h pg_select_refunds_above_serial_id.c \
pg_select_reserves_in_above_serial_id.h pg_select_reserves_in_above_serial_id.c \
pg_select_reserves_in_above_serial_id_by_account.h pg_select_reserves_in_above_serial_id_by_account.c \
pg_select_withdrawals_above_serial_id.h pg_select_withdrawals_above_serial_id.c \
pg_select_wire_out_above_serial_id.h pg_select_wire_out_above_serial_id.c \
pg_select_wire_out_above_serial_id_by_account.h pg_select_wire_out_above_serial_id_by_account.c \
pg_select_recoup_above_serial_id.h pg_select_recoup_above_serial_id.c \
pg_select_recoup_refresh_above_serial_id.h pg_select_recoup_refresh_above_serial_id.c \
pg_get_reserve_by_h_blind.h pg_get_reserve_by_h_blind.c \
pg_get_old_coin_by_h_blind.h pg_get_old_coin_by_h_blind.c \
pg_insert_denomination_revocation.h pg_insert_denomination_revocation.c \
pg_get_denomination_revocation.h pg_get_denomination_revocation.c \
pg_select_deposits_missing_wire.h pg_select_deposits_missing_wire.c \
pg_lookup_auditor_timestamp.h pg_lookup_auditor_timestamp.c \
pg_lookup_auditor_status.h pg_lookup_auditor_status.c \
pg_insert_auditor.h pg_insert_auditor.c \
pg_lookup_wire_timestamp.h pg_lookup_wire_timestamp.c \
pg_insert_wire.h pg_insert_wire.c \
pg_update_wire.h pg_update_wire.c \
pg_get_wire_accounts.h pg_get_wire_accounts.c \
pg_get_wire_fees.h pg_get_wire_fees.c \
pg_insert_signkey_revocation.h pg_insert_signkey_revocation.c \
pg_lookup_signkey_revocation.h pg_lookup_signkey_revocation.c \
pg_lookup_denomination_key.h pg_lookup_denomination_key.c \
pg_insert_auditor_denom_sig.h pg_insert_auditor_denom_sig.c \
pg_select_auditor_denom_sig.h pg_select_auditor_denom_sig.c \
pg_add_denomination_key.h pg_add_denomination_key.c \
pg_lookup_signing_key.h pg_lookup_signing_key.c \
pg_begin_shard.h pg_begin_shard.c \
pg_abort_shard.h pg_abort_shard.c \
pg_complete_shard.h pg_complete_shard.c \
pg_release_revolving_shard.h pg_release_revolving_shard.c \
pg_delete_shard_locks.h pg_delete_shard_locks.c \
pg_set_extension_manifest.h pg_set_extension_manifest.c \
pg_insert_partner.h pg_insert_partner.c \
pg_expire_purse.h pg_expire_purse.c \
pg_select_purse_by_merge_pub.h pg_select_purse_by_merge_pub.c \
pg_set_purse_balance.h pg_set_purse_balance.c \
pg_do_reserve_purse.h pg_do_reserve_purse.c \
pg_lookup_global_fee_by_time.h pg_lookup_global_fee_by_time.c \
pg_do_purse_deposit.h pg_do_purse_deposit.c \

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/*
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_abort_shard.c
* @brief Implementation of the abort_shard 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_abort_shard.h"
#include "pg_helper.h"
enum GNUNET_DB_QueryStatus
TEH_PG_abort_shard (void *cls,
const char *job_name,
uint64_t start_row,
uint64_t end_row)
{
struct PostgresClosure *pg = cls;
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_string (job_name),
GNUNET_PQ_query_param_uint64 (&start_row),
GNUNET_PQ_query_param_uint64 (&end_row),
GNUNET_PQ_query_param_end
};
PREPARE (pg,
"abort_shard",
"UPDATE work_shards"
" SET last_attempt=0"
" WHERE job_name = $1 "
" AND start_row = $2 "
" AND end_row = $3;");
return GNUNET_PQ_eval_prepared_non_select (pg->conn,
"abort_shard",
params);
}

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/*
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_abort_shard.h
* @brief implementation of the abort_shard function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_ABORT_SHARD_H
#define PG_ABORT_SHARD_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Function called to abort work on a shard.
*
* @param cls the @e cls of this struct with the plugin-specific state
* @param job_name name of the operation to abort a word shard for
* @param start_row inclusive start row of the shard
* @param end_row exclusive end row of the shard
* @return transaction status code
*/
enum GNUNET_DB_QueryStatus
TEH_PG_abort_shard (void *cls,
const char *job_name,
uint64_t start_row,
uint64_t end_row);
#endif

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/*
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_add_denomination_key.c
* @brief Implementation of the add_denomination_key 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_add_denomination_key.h"
#include "pg_helper.h"
enum GNUNET_DB_QueryStatus
TEH_PG_add_denomination_key (
void *cls,
const struct TALER_DenominationHashP *h_denom_pub,
const struct TALER_DenominationPublicKey *denom_pub,
const struct TALER_EXCHANGEDB_DenominationKeyMetaData *meta,
const struct TALER_MasterSignatureP *master_sig)
{
struct PostgresClosure *pg = cls;
struct GNUNET_PQ_QueryParam iparams[] = {
GNUNET_PQ_query_param_auto_from_type (h_denom_pub),
TALER_PQ_query_param_denom_pub (denom_pub),
GNUNET_PQ_query_param_auto_from_type (master_sig),
GNUNET_PQ_query_param_timestamp (&meta->start),
GNUNET_PQ_query_param_timestamp (&meta->expire_withdraw),
GNUNET_PQ_query_param_timestamp (&meta->expire_deposit),
GNUNET_PQ_query_param_timestamp (&meta->expire_legal),
TALER_PQ_query_param_amount (&meta->value),
TALER_PQ_query_param_amount (&meta->fees.withdraw),
TALER_PQ_query_param_amount (&meta->fees.deposit),
TALER_PQ_query_param_amount (&meta->fees.refresh),
TALER_PQ_query_param_amount (&meta->fees.refund),
GNUNET_PQ_query_param_uint32 (&meta->age_mask.bits),
GNUNET_PQ_query_param_end
};
/* Sanity check: ensure fees match coin currency */
GNUNET_assert (GNUNET_YES ==
TALER_denom_fee_check_currency (meta->value.currency,
&meta->fees));
/* Used in #postgres_insert_denomination_info() and
#postgres_add_denomination_key() */
PREPARE (pg,
"denomination_insert",
"INSERT INTO denominations "
"(denom_pub_hash"
",denom_pub"
",master_sig"
",valid_from"
",expire_withdraw"
",expire_deposit"
",expire_legal"
",coin_val" /* value of this denom */
",coin_frac" /* fractional value of this denom */
",fee_withdraw_val"
",fee_withdraw_frac"
",fee_deposit_val"
",fee_deposit_frac"
",fee_refresh_val"
",fee_refresh_frac"
",fee_refund_val"
",fee_refund_frac"
",age_mask"
") VALUES "
"($1, $2, $3, $4, $5, $6, $7, $8, $9, $10,"
" $11, $12, $13, $14, $15, $16, $17, $18);");
return GNUNET_PQ_eval_prepared_non_select (pg->conn,
"denomination_insert",
iparams);
}

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/*
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_add_denomination_key.h
* @brief implementation of the add_denomination_key function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_ADD_DENOMINATION_KEY_H
#define PG_ADD_DENOMINATION_KEY_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Activate denomination key, turning it into a "current" or "valid"
* denomination key by adding the master signature.
*
* @param cls closure
* @param h_denom_pub hash of the denomination public key
* @param denom_pub the actual denomination key
* @param meta meta data about the denomination
* @param master_sig master signature to add
* @return transaction status code
*/
enum GNUNET_DB_QueryStatus
TEH_PG_add_denomination_key (
void *cls,
const struct TALER_DenominationHashP *h_denom_pub,
const struct TALER_DenominationPublicKey *denom_pub,
const struct TALER_EXCHANGEDB_DenominationKeyMetaData *meta,
const struct TALER_MasterSignatureP *master_sig);
#endif

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/*
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_add_policy_fulfillment_proof.c
* @brief Implementation of the add_policy_fulfillment_proof 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_add_policy_fulfillment_proof.h"
#include "pg_helper.h"
/**
* Compares two indices into an array of hash codes according to
* GNUNET_CRYPTO_hash_cmp of the content at those index positions.
*
* Used in a call qsort_t in order to generate sorted policy_hash_codes.
*/
static int
hash_code_cmp (
const void *hc1,
const void *hc2,
void *arg)
{
size_t i1 = *(size_t *) hc1;
size_t i2 = *(size_t *) hc2;
const struct TALER_PolicyDetails *d = arg;
return GNUNET_CRYPTO_hash_cmp (&d[i1].hash_code,
&d[i2].hash_code);
}
enum GNUNET_DB_QueryStatus
TEH_PG_add_policy_fulfillment_proof (
void *cls,
struct TALER_PolicyFulfillmentTransactionData *fulfillment)
{
enum GNUNET_DB_QueryStatus qs;
struct PostgresClosure *pg = cls;
size_t count = fulfillment->details_count;
struct GNUNET_HashCode hcs[count];
/* Create the sorted policy_hash_codes */
{
size_t idx[count];
for (size_t i = 0; i < count; i++)
idx[i] = i;
/* Sort the indices according to the hash codes of the corresponding
* details. */
qsort_r (idx,
count,
sizeof(size_t),
hash_code_cmp,
fulfillment->details);
/* Finally, concatenate all hash_codes in sorted order */
for (size_t i = 0; i < count; i++)
hcs[i] = fulfillment->details[idx[i]].hash_code;
}
/* Now, add the proof to the policy_fulfillments table, retrieve the
* record_id */
{
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_timestamp (&fulfillment->timestamp),
TALER_PQ_query_param_json (fulfillment->proof),
GNUNET_PQ_query_param_auto_from_type (&fulfillment->h_proof),
GNUNET_PQ_query_param_fixed_size (hcs,
count * sizeof(struct GNUNET_HashCode)),
GNUNET_PQ_query_param_end
};
struct GNUNET_PQ_ResultSpec rs[] = {
GNUNET_PQ_result_spec_uint64 ("fulfillment_id",
&fulfillment->fulfillment_id),
GNUNET_PQ_result_spec_end
};
qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
"insert_proof_into_policy_fulfillments",
params,
rs);
if (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != qs)
return qs;
}
/* Now, set the states of each entry corresponding to the hash_codes in
* policy_details accordingly */
for (size_t i = 0; i < count; i++)
{
struct TALER_PolicyDetails *pos = &fulfillment->details[i];
{
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_auto_from_type (&pos->hash_code),
GNUNET_PQ_query_param_timestamp (&pos->deadline),
TALER_PQ_query_param_amount (&pos->commitment),
TALER_PQ_query_param_amount (&pos->accumulated_total),
TALER_PQ_query_param_amount (&pos->policy_fee),
TALER_PQ_query_param_amount (&pos->transferable_amount),
GNUNET_PQ_query_param_auto_from_type (&pos->fulfillment_state),
GNUNET_PQ_query_param_end
};
qs = GNUNET_PQ_eval_prepared_non_select (pg->conn,
"update_policy_details",
params);
if (qs < 0)
return qs;
}
}
return qs;
}

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/*
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_add_policy_fulfillment_proof.h
* @brief implementation of the add_policy_fulfillment_proof function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_ADD_POLICY_FULFILLMENT_PROOF_H
#define PG_ADD_POLICY_FULFILLMENT_PROOF_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Add a proof of fulfillment into the policy_fulfillments table
*
* @param cls the `struct PostgresClosure` with the plugin-specific state
* @param fulfillment fullfilment transaction data to be added
* @return query execution status
*/
enum GNUNET_DB_QueryStatus
TEH_PG_add_policy_fulfillment_proof (
void *cls,
struct TALER_PolicyFulfillmentTransactionData *fulfillment);
#endif

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/*
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_aggregate.c
* @brief Implementation of the aggregate 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_aggregate.h"
#include "pg_helper.h"
enum GNUNET_DB_QueryStatus
TEH_PG_aggregate (
void *cls,
const struct TALER_PaytoHashP *h_payto,
const struct TALER_MerchantPublicKeyP *merchant_pub,
const struct TALER_WireTransferIdentifierRawP *wtid,
struct TALER_Amount *total)
{
struct PostgresClosure *pg = cls;
struct GNUNET_TIME_Absolute now = {0};
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_absolute_time (&now),
GNUNET_PQ_query_param_auto_from_type (merchant_pub),
GNUNET_PQ_query_param_auto_from_type (h_payto),
GNUNET_PQ_query_param_auto_from_type (wtid),
GNUNET_PQ_query_param_end
};
uint64_t sum_deposit_value;
uint64_t sum_deposit_frac;
uint64_t sum_refund_value;
uint64_t sum_refund_frac;
uint64_t sum_fee_value;
uint64_t sum_fee_frac;
struct GNUNET_PQ_ResultSpec rs[] = {
GNUNET_PQ_result_spec_uint64 ("sum_deposit_value",
&sum_deposit_value),
GNUNET_PQ_result_spec_uint64 ("sum_deposit_fraction",
&sum_deposit_frac),
GNUNET_PQ_result_spec_uint64 ("sum_refund_value",
&sum_refund_value),
GNUNET_PQ_result_spec_uint64 ("sum_refund_fraction",
&sum_refund_frac),
GNUNET_PQ_result_spec_uint64 ("sum_fee_value",
&sum_fee_value),
GNUNET_PQ_result_spec_uint64 ("sum_fee_fraction",
&sum_fee_frac),
GNUNET_PQ_result_spec_end
};
enum GNUNET_DB_QueryStatus qs;
struct TALER_Amount sum_deposit;
struct TALER_Amount sum_refund;
struct TALER_Amount sum_fee;
struct TALER_Amount delta;
now = GNUNET_TIME_absolute_round_down (GNUNET_TIME_absolute_get (),
pg->aggregator_shift);
/* Used in #postgres_aggregate() */
PREPARE (pg,
"aggregate",
"WITH rdy AS (" /* find deposits ready by merchant */
" SELECT"
" coin_pub"
" FROM deposits_for_matching"
" WHERE refund_deadline<$1" /* filter by shard, only actually executable deposits */
" AND merchant_pub=$2" /* filter by target merchant */
" ORDER BY refund_deadline ASC" /* ordering is not critical */
" LIMIT "
TALER_QUOTE (TALER_EXCHANGEDB_MATCHING_DEPOSITS_LIMIT) /* limits transaction size */
" )"
" ,dep AS (" /* restrict to our merchant and account and mark as done */
" UPDATE deposits"
" SET done=TRUE"
" WHERE coin_pub IN (SELECT coin_pub FROM rdy)"
" AND merchant_pub=$2" /* theoretically, same coin could be spent at another merchant */
" AND wire_target_h_payto=$3" /* merchant could have a 2nd bank account */
" AND done=FALSE" /* theoretically, same coin could be spend at the same merchant a 2nd time */
" RETURNING"
" deposit_serial_id"
" ,coin_pub"
" ,amount_with_fee_val AS amount_val"
" ,amount_with_fee_frac AS amount_frac)"
" ,ref AS (" /* find applicable refunds -- NOTE: may do a full join on the master, maybe find a left-join way to integrate with query above to push it to the shards? */
" SELECT"
" amount_with_fee_val AS refund_val"
" ,amount_with_fee_frac AS refund_frac"
" ,coin_pub"
" ,deposit_serial_id" /* theoretically, coin could be in multiple refunded transactions */
" FROM refunds"
" WHERE coin_pub IN (SELECT coin_pub FROM dep)"
" AND deposit_serial_id IN (SELECT deposit_serial_id FROM dep))"
" ,ref_by_coin AS (" /* total up refunds by coin */
" SELECT"
" SUM(refund_val) AS sum_refund_val"
" ,SUM(refund_frac) AS sum_refund_frac"
" ,coin_pub"
" ,deposit_serial_id" /* theoretically, coin could be in multiple refunded transactions */
" FROM ref"
" GROUP BY coin_pub, deposit_serial_id)"
" ,norm_ref_by_coin AS (" /* normalize */
" SELECT"
" sum_refund_val + sum_refund_frac / 100000000 AS norm_refund_val"
" ,sum_refund_frac % 100000000 AS norm_refund_frac"
" ,coin_pub"
" ,deposit_serial_id" /* theoretically, coin could be in multiple refunded transactions */
" FROM ref_by_coin)"
" ,fully_refunded_coins AS (" /* find applicable refunds -- NOTE: may do a full join on the master, maybe find a left-join way to integrate with query above to push it to the shards? */
" SELECT"
" dep.coin_pub"
" FROM norm_ref_by_coin norm"
" JOIN dep"
" ON (norm.coin_pub = dep.coin_pub"
" AND norm.deposit_serial_id = dep.deposit_Serial_id"
" AND norm.norm_refund_val = dep.amount_val"
" AND norm.norm_refund_frac = dep.amount_frac))"
" ,fees AS (" /* find deposit fees for not fully refunded deposits */
" SELECT"
" denom.fee_deposit_val AS fee_val"
" ,denom.fee_deposit_frac AS fee_frac"
" ,cs.deposit_serial_id" /* ensures we get the fee for each coin, not once per denomination */
" FROM dep cs"
" JOIN known_coins kc" /* NOTE: may do a full join on the master, maybe find a left-join way to integrate with query above to push it to the shards? */
" USING (coin_pub)"
" JOIN denominations denom"
" USING (denominations_serial)"
" WHERE coin_pub NOT IN (SELECT coin_pub FROM fully_refunded_coins))"
" ,dummy AS (" /* add deposits to aggregation_tracking */
" INSERT INTO aggregation_tracking"
" (deposit_serial_id"
" ,wtid_raw)"
" SELECT deposit_serial_id,$4"
" FROM dep)"
"SELECT" /* calculate totals (deposits, refunds and fees) */
" CAST(COALESCE(SUM(dep.amount_val),0) AS INT8) AS sum_deposit_value" /* cast needed, otherwise we get NUMBER */
" ,COALESCE(SUM(dep.amount_frac),0) AS sum_deposit_fraction" /* SUM over INT returns INT8 */
" ,CAST(COALESCE(SUM(ref.refund_val),0) AS INT8) AS sum_refund_value"
" ,COALESCE(SUM(ref.refund_frac),0) AS sum_refund_fraction"
" ,CAST(COALESCE(SUM(fees.fee_val),0) AS INT8) AS sum_fee_value"
" ,COALESCE(SUM(fees.fee_frac),0) AS sum_fee_fraction"
" FROM dep "
" FULL OUTER JOIN ref ON (FALSE)" /* We just want all sums */
" FULL OUTER JOIN fees ON (FALSE);");
qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
"aggregate",
params,
rs);
if (qs < 0)
{
GNUNET_break (GNUNET_DB_STATUS_SOFT_ERROR == qs);
return qs;
}
if (GNUNET_DB_STATUS_SUCCESS_NO_RESULTS == qs)
{
GNUNET_assert (GNUNET_OK ==
TALER_amount_set_zero (pg->currency,
total));
return qs;
}
GNUNET_assert (GNUNET_OK ==
TALER_amount_set_zero (pg->currency,
&sum_deposit));
GNUNET_assert (GNUNET_OK ==
TALER_amount_set_zero (pg->currency,
&sum_refund));
GNUNET_assert (GNUNET_OK ==
TALER_amount_set_zero (pg->currency,
&sum_fee));
sum_deposit.value = sum_deposit_frac / TALER_AMOUNT_FRAC_BASE
+ sum_deposit_value;
sum_deposit.fraction = sum_deposit_frac % TALER_AMOUNT_FRAC_BASE;
sum_refund.value = sum_refund_frac / TALER_AMOUNT_FRAC_BASE
+ sum_refund_value;
sum_refund.fraction = sum_refund_frac % TALER_AMOUNT_FRAC_BASE;
sum_fee.value = sum_fee_frac / TALER_AMOUNT_FRAC_BASE
+ sum_fee_value;
sum_fee.fraction = sum_fee_frac % TALER_AMOUNT_FRAC_BASE; \
GNUNET_assert (0 <=
TALER_amount_subtract (&delta,
&sum_deposit,
&sum_refund));
GNUNET_assert (0 <=
TALER_amount_subtract (total,
&delta,
&sum_fee));
return qs;
}

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/*
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_aggregate.h
* @brief implementation of the aggregate function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_AGGREGATE_H
#define PG_AGGREGATE_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Aggregate all matching deposits for @a h_payto and
* @a merchant_pub, returning the total amounts.
*
* @param cls the @e cls of this struct with the plugin-specific state
* @param h_payto destination of the wire transfer
* @param merchant_pub public key of the merchant
* @param wtid wire transfer ID to set for the aggregate
* @param[out] total set to the sum of the total deposits minus applicable deposit fees and refunds
* @return transaction status
*/
enum GNUNET_DB_QueryStatus
TEH_PG_aggregate (
void *cls,
const struct TALER_PaytoHashP *h_payto,
const struct TALER_MerchantPublicKeyP *merchant_pub,
const struct TALER_WireTransferIdentifierRawP *wtid,
struct TALER_Amount *total);
#endif

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/*
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_begin_shard.c
* @brief Implementation of the begin_shard 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_begin_shard.h"
#include "pg_helper.h"
#include "pg_start.h"
#include "pg_rollback.h"
#include "pg_commit.h"
enum GNUNET_DB_QueryStatus
TEH_PG_begin_shard (void *cls,
const char *job_name,
struct GNUNET_TIME_Relative delay,
uint64_t shard_size,
uint64_t *start_row,
uint64_t *end_row)
{
struct PostgresClosure *pg = cls;
for (unsigned int retries = 0; retries<10; retries++)
{
if (GNUNET_OK !=
TEH_PG_start (pg,
"begin_shard"))
{
GNUNET_break (0);
return GNUNET_DB_STATUS_HARD_ERROR;
}
{
struct GNUNET_TIME_Absolute past;
enum GNUNET_DB_QueryStatus qs;
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_string (job_name),
GNUNET_PQ_query_param_absolute_time (&past),
GNUNET_PQ_query_param_end
};
struct GNUNET_PQ_ResultSpec rs[] = {
GNUNET_PQ_result_spec_uint64 ("start_row",
start_row),
GNUNET_PQ_result_spec_uint64 ("end_row",
end_row),
GNUNET_PQ_result_spec_end
};
past = GNUNET_TIME_absolute_get ();
PREPARE (pg,
"get_open_shard",
"SELECT"
" start_row"
",end_row"
" FROM work_shards"
" WHERE job_name=$1"
" AND completed=FALSE"
" AND last_attempt<$2"
" ORDER BY last_attempt ASC"
" LIMIT 1;");
qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
"get_open_shard",
params,
rs);
switch (qs)
{
case GNUNET_DB_STATUS_HARD_ERROR:
GNUNET_break (0);
TEH_PG_rollback (pg);
return qs;
case GNUNET_DB_STATUS_SOFT_ERROR:
TEH_PG_rollback (pg);
continue;
case GNUNET_DB_STATUS_SUCCESS_ONE_RESULT:
{
enum GNUNET_DB_QueryStatus qs;
struct GNUNET_TIME_Absolute now;
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_string (job_name),
GNUNET_PQ_query_param_absolute_time (&now),
GNUNET_PQ_query_param_uint64 (start_row),
GNUNET_PQ_query_param_uint64 (end_row),
GNUNET_PQ_query_param_end
};
now = GNUNET_TIME_relative_to_absolute (delay);
PREPARE (pg,
"reclaim_shard",
"UPDATE work_shards"
" SET last_attempt=$2"
" WHERE job_name=$1"
" AND start_row=$3"
" AND end_row=$4");
qs = GNUNET_PQ_eval_prepared_non_select (pg->conn,
"reclaim_shard",
params);
switch (qs)
{
case GNUNET_DB_STATUS_HARD_ERROR:
GNUNET_break (0);
TEH_PG_rollback (pg);
return qs;
case GNUNET_DB_STATUS_SOFT_ERROR:
TEH_PG_rollback (pg);
continue;
case GNUNET_DB_STATUS_SUCCESS_ONE_RESULT:
goto commit;
case GNUNET_DB_STATUS_SUCCESS_NO_RESULTS:
GNUNET_break (0); /* logic error, should be impossible */
TEH_PG_rollback (pg);
return GNUNET_DB_STATUS_HARD_ERROR;
}
}
break; /* actually unreachable */
case GNUNET_DB_STATUS_SUCCESS_NO_RESULTS:
break; /* continued below */
}
} /* get_open_shard */
/* No open shard, find last 'end_row' */
{
enum GNUNET_DB_QueryStatus qs;
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_string (job_name),
GNUNET_PQ_query_param_end
};
struct GNUNET_PQ_ResultSpec rs[] = {
GNUNET_PQ_result_spec_uint64 ("end_row",
start_row),
GNUNET_PQ_result_spec_end
};
PREPARE (pg,
"get_last_shard",
"SELECT"
" end_row"
" FROM work_shards"
" WHERE job_name=$1"
" ORDER BY end_row DESC"
" LIMIT 1;");
qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
"get_last_shard",
params,
rs);
switch (qs)
{
case GNUNET_DB_STATUS_HARD_ERROR:
GNUNET_break (0);
TEH_PG_rollback (pg);
return qs;
case GNUNET_DB_STATUS_SOFT_ERROR:
TEH_PG_rollback (pg);
continue;
case GNUNET_DB_STATUS_SUCCESS_ONE_RESULT:
break;
case GNUNET_DB_STATUS_SUCCESS_NO_RESULTS:
*start_row = 0; /* base-case: no shards yet */
break; /* continued below */
}
*end_row = *start_row + shard_size;
} /* get_last_shard */
/* Claim fresh shard */
{
enum GNUNET_DB_QueryStatus qs;
struct GNUNET_TIME_Absolute now;
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_string (job_name),
GNUNET_PQ_query_param_absolute_time (&now),
GNUNET_PQ_query_param_uint64 (start_row),
GNUNET_PQ_query_param_uint64 (end_row),
GNUNET_PQ_query_param_end
};
now = GNUNET_TIME_relative_to_absolute (delay);
GNUNET_log (GNUNET_ERROR_TYPE_INFO,
"Trying to claim shard (%llu-%llu]\n",
(unsigned long long) *start_row,
(unsigned long long) *end_row);
PREPARE (pg,
"claim_next_shard",
"INSERT INTO work_shards"
"(job_name"
",last_attempt"
",start_row"
",end_row"
") VALUES "
"($1, $2, $3, $4);");
qs = GNUNET_PQ_eval_prepared_non_select (pg->conn,
"claim_next_shard",
params);
switch (qs)
{
case GNUNET_DB_STATUS_HARD_ERROR:
GNUNET_break (0);
TEH_PG_rollback (pg);
return qs;
case GNUNET_DB_STATUS_SOFT_ERROR:
TEH_PG_rollback (pg);
continue;
case GNUNET_DB_STATUS_SUCCESS_ONE_RESULT:
/* continued below */
break;
case GNUNET_DB_STATUS_SUCCESS_NO_RESULTS:
/* someone else got this shard already,
try again */
TEH_PG_rollback (pg);
continue;
}
} /* claim_next_shard */
/* commit */
commit:
{
enum GNUNET_DB_QueryStatus qs;
qs = TEH_PG_commit (pg);
switch (qs)
{
case GNUNET_DB_STATUS_HARD_ERROR:
GNUNET_break (0);
TEH_PG_rollback (pg);
return qs;
case GNUNET_DB_STATUS_SOFT_ERROR:
TEH_PG_rollback (pg);
continue;
case GNUNET_DB_STATUS_SUCCESS_NO_RESULTS:
case GNUNET_DB_STATUS_SUCCESS_ONE_RESULT:
return GNUNET_DB_STATUS_SUCCESS_ONE_RESULT;
}
}
} /* retry 'for' loop */
return GNUNET_DB_STATUS_SOFT_ERROR;
}

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/*
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_begin_shard.h
* @brief implementation of the begin_shard function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_BEGIN_SHARD_H
#define PG_BEGIN_SHARD_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Function called to grab a work shard on an operation @a op. Runs in its
* own transaction.
*
* @param cls the @e cls of this struct with the plugin-specific state
* @param job_name name of the operation to grab a word shard for
* @param delay minimum age of a shard to grab
* @param shard_size desired shard size
* @param[out] start_row inclusive start row of the shard (returned)
* @param[out] end_row exclusive end row of the shard (returned)
* @return transaction status code
*/
enum GNUNET_DB_QueryStatus
TEH_PG_begin_shard (void *cls,
const char *job_name,
struct GNUNET_TIME_Relative delay,
uint64_t shard_size,
uint64_t *start_row,
uint64_t *end_row);
#endif

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/*
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_complete_shard.c
* @brief Implementation of the complete_shard 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_complete_shard.h"
#include "pg_helper.h"
enum GNUNET_DB_QueryStatus
TEH_PG_complete_shard (void *cls,
const char *job_name,
uint64_t start_row,
uint64_t end_row)
{
struct PostgresClosure *pg = cls;
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_string (job_name),
GNUNET_PQ_query_param_uint64 (&start_row),
GNUNET_PQ_query_param_uint64 (&end_row),
GNUNET_PQ_query_param_end
};
GNUNET_log (GNUNET_ERROR_TYPE_INFO,
"Completing shard %llu-%llu\n",
(unsigned long long) start_row,
(unsigned long long) end_row);
PREPARE (pg,
"complete_shard",
"UPDATE work_shards"
" SET completed=TRUE"
" WHERE job_name=$1"
" AND start_row=$2"
" AND end_row=$3");
return GNUNET_PQ_eval_prepared_non_select (pg->conn,
"complete_shard",
params);
}

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/*
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_complete_shard.h
* @brief implementation of the complete_shard function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_COMPLETE_SHARD_H
#define PG_COMPLETE_SHARD_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Function called to persist that work on a shard was completed.
*
* @param cls the @e cls of this struct with the plugin-specific state
* @param job_name name of the operation to grab a word shard for
* @param start_row inclusive start row of the shard
* @param end_row exclusive end row of the shard
* @return transaction status code
*/
enum GNUNET_DB_QueryStatus
TEH_PG_complete_shard (void *cls,
const char *job_name,
uint64_t start_row,
uint64_t end_row);
#endif

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/*
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_compute_shard.c
* @brief Implementation of the compute_shard 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_compute_shard.h"
#include "pg_helper.h"
uint64_t
TEH_PG_compute_shard (const struct TALER_MerchantPublicKeyP *merchant_pub)
{
uint32_t res;
GNUNET_assert (GNUNET_YES ==
GNUNET_CRYPTO_kdf (&res,
sizeof (res),
merchant_pub,
sizeof (*merchant_pub),
"VOID",
4,
NULL, 0));
/* interpret hash result as NBO for platform independence,
convert to HBO and map to [0..2^31-1] range */
res = ntohl (res);
if (res > INT32_MAX)
res += INT32_MIN;
GNUNET_assert (res <= INT32_MAX);
return (uint64_t) res;
}

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/*
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_compute_shard.h
* @brief implementation of the compute_shard function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_COMPUTE_SHARD_H
#define PG_COMPUTE_SHARD_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Compute the shard number of a given @a merchant_pub.
*
* @param merchant_pub merchant public key to compute shard for
* @return shard number
*/
uint64_t
TEH_PG_compute_shard (const struct TALER_MerchantPublicKeyP *merchant_pub);
#endif

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/*
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_count_known_coins.c
* @brief Implementation of the count_known_coins 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_count_known_coins.h"
#include "pg_helper.h"
long long
TEH_PG_count_known_coins (void *cls,
const struct
TALER_DenominationHashP *denom_pub_hash)
{
struct PostgresClosure *pg = cls;
uint64_t count;
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_auto_from_type (denom_pub_hash),
GNUNET_PQ_query_param_end
};
struct GNUNET_PQ_ResultSpec rs[] = {
GNUNET_PQ_result_spec_uint64 ("count",
&count),
GNUNET_PQ_result_spec_end
};
enum GNUNET_DB_QueryStatus qs;
PREPARE (pg,
"count_known_coins",
"SELECT"
" COUNT(*) AS count"
" FROM known_coins"
" WHERE denominations_serial="
" (SELECT denominations_serial"
" FROM denominations"
" WHERE denom_pub_hash=$1);");
qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
"count_known_coins",
params,
rs);
if (0 > qs)
return (long long) qs;
return (long long) count;
}

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/*
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_count_known_coins.h
* @brief implementation of the count_known_coins function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_COUNT_KNOWN_COINS_H
#define PG_COUNT_KNOWN_COINS_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Count the number of known coins by denomination.
*
* @param cls database connection plugin state
* @param denom_pub_hash denomination to count by
* @return number of coins if non-negative, otherwise an `enum GNUNET_DB_QueryStatus`
*/
long long
TEH_PG_count_known_coins (void *cls,
const struct
TALER_DenominationHashP *denom_pub_hash);
#endif

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/*
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_create_aggregation_transient.c
* @brief Implementation of the create_aggregation_transient 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_create_aggregation_transient.h"
#include "pg_helper.h"
enum GNUNET_DB_QueryStatus
TEH_PG_create_aggregation_transient (
void *cls,
const struct TALER_PaytoHashP *h_payto,
const char *exchange_account_section,
const struct TALER_MerchantPublicKeyP *merchant_pub,
const struct TALER_WireTransferIdentifierRawP *wtid,
uint64_t kyc_requirement_row,
const struct TALER_Amount *total)
{
struct PostgresClosure *pg = cls;
struct GNUNET_PQ_QueryParam params[] = {
TALER_PQ_query_param_amount (total),
GNUNET_PQ_query_param_auto_from_type (merchant_pub),
GNUNET_PQ_query_param_auto_from_type (h_payto),
GNUNET_PQ_query_param_uint64 (&kyc_requirement_row),
GNUNET_PQ_query_param_string (exchange_account_section),
GNUNET_PQ_query_param_auto_from_type (wtid),
GNUNET_PQ_query_param_end
};
/* Used in #postgres_create_aggregation_transient() */
PREPARE (pg,
"create_aggregation_transient",
"INSERT INTO aggregation_transient"
" (amount_val"
" ,amount_frac"
" ,merchant_pub"
" ,wire_target_h_payto"
" ,legitimization_requirement_serial_id"
" ,exchange_account_section"
" ,wtid_raw)"
" VALUES ($1, $2, $3, $4, $5, $6, $7);");
return GNUNET_PQ_eval_prepared_non_select (pg->conn,
"create_aggregation_transient",
params);
}

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/*
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_create_aggregation_transient.h
* @brief implementation of the create_aggregation_transient function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_CREATE_AGGREGATION_TRANSIENT_H
#define PG_CREATE_AGGREGATION_TRANSIENT_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Create a new entry in the transient aggregation table.
*
* @param cls the @e cls of this struct with the plugin-specific state
* @param h_payto destination of the wire transfer
* @param exchange_account_section exchange account to use
* @param merchant_pub public key of the merchant receiving the transfer
* @param wtid the raw wire transfer identifier to be used
* @param kyc_requirement_row row in legitimization_requirements that need to be satisfied to continue, or 0 for none
* @param total amount to be wired in the future
* @return transaction status
*/
enum GNUNET_DB_QueryStatus
TEH_PG_create_aggregation_transient (
void *cls,
const struct TALER_PaytoHashP *h_payto,
const char *exchange_account_section,
const struct TALER_MerchantPublicKeyP *merchant_pub,
const struct TALER_WireTransferIdentifierRawP *wtid,
uint64_t kyc_requirement_row,
const struct TALER_Amount *total);
#endif

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/*
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_create_tables.c
* @brief Implementation of the create_tables 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_create_tables.h"
#include "pg_helper.h"
enum GNUNET_GenericReturnValue
TEH_PG_create_tables (void *cls)
{
struct PostgresClosure *pg = cls;
struct GNUNET_PQ_Context *conn;
enum GNUNET_GenericReturnValue ret;
conn = GNUNET_PQ_connect_with_cfg (pg->cfg,
"exchangedb-postgres",
"exchange-",
NULL,
NULL);
if (NULL == conn)
return GNUNET_SYSERR;
ret = GNUNET_PQ_exec_sql (conn,
"procedures");
GNUNET_PQ_disconnect (conn);
return ret;
}

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/*
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_create_tables.h
* @brief implementation of the create_tables function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_CREATE_TABLES_H
#define PG_CREATE_TABLES_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Create the necessary tables if they are not present
*
* @param cls the `struct PostgresClosure` with the plugin-specific state
* @return #GNUNET_OK upon success; #GNUNET_SYSERR upon failure
*/
enum GNUNET_GenericReturnValue
TEH_PG_create_tables (void *cls);
#endif

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/*
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_delete_shard_locks.c
* @brief Implementation of the delete_shard_locks 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_delete_shard_locks.h"
#include "pg_helper.h"
enum GNUNET_GenericReturnValue
TEH_PG_delete_shard_locks (void *cls)
{
struct PostgresClosure *pg = cls;
struct GNUNET_PQ_ExecuteStatement es[] = {
GNUNET_PQ_make_execute ("DELETE FROM work_shards;"),
GNUNET_PQ_make_execute ("DELETE FROM revolving_work_shards;"),
GNUNET_PQ_EXECUTE_STATEMENT_END
};
return GNUNET_PQ_exec_statements (pg->conn,
es);
}

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/*
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_delete_shard_locks.h
* @brief implementation of the delete_shard_locks function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_DELETE_SHARD_LOCKS_H
#define PG_DELETE_SHARD_LOCKS_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Function called to delete all revolving shards.
* To be used after a crash or when the shard size is
* changed.
*
* @param cls the @e cls of this struct with the plugin-specific state
* @return transaction status code
*/
enum GNUNET_GenericReturnValue
TEH_PG_delete_shard_locks (void *cls);
#endif

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/*
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_batch_withdraw.c
* @brief Implementation of the do_batch_withdraw 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_batch_withdraw.h"
#include "pg_helper.h"
enum GNUNET_DB_QueryStatus
TEH_PG_do_batch_withdraw (
void *cls,
struct GNUNET_TIME_Timestamp now,
const struct TALER_ReservePublicKeyP *reserve_pub,
const struct TALER_Amount *amount,
bool *found,
bool *balance_ok,
uint64_t *ruuid)
{
struct PostgresClosure *pg = cls;
struct GNUNET_TIME_Timestamp gc;
struct GNUNET_PQ_QueryParam params[] = {
TALER_PQ_query_param_amount (amount),
GNUNET_PQ_query_param_auto_from_type (reserve_pub),
GNUNET_PQ_query_param_timestamp (&now),
GNUNET_PQ_query_param_timestamp (&gc),
GNUNET_PQ_query_param_end
};
struct GNUNET_PQ_ResultSpec rs[] = {
GNUNET_PQ_result_spec_bool ("reserve_found",
found),
GNUNET_PQ_result_spec_bool ("balance_ok",
balance_ok),
GNUNET_PQ_result_spec_uint64 ("ruuid",
ruuid),
GNUNET_PQ_result_spec_end
};
gc = GNUNET_TIME_absolute_to_timestamp (
GNUNET_TIME_absolute_add (now.abs_time,
pg->legal_reserve_expiration_time));
/* Used in #postgres_do_batch_withdraw() to
update the reserve balance and check its status */
PREPARE (pg,
"call_batch_withdraw",
"SELECT "
" reserve_found"
",balance_ok"
",ruuid"
" FROM exchange_do_batch_withdraw"
" ($1,$2,$3,$4,$5);");
return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
"call_batch_withdraw",
params,
rs);
}

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/*
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_batch_withdraw.h
* @brief implementation of the do_batch_withdraw function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_DO_BATCH_WITHDRAW_H
#define PG_DO_BATCH_WITHDRAW_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Perform reserve update as part of a batch withdraw operation, checking
* for sufficient balance. Persisting the withdrawal details is done
* separately!
*
* @param cls the `struct PostgresClosure` with the plugin-specific state
* @param now current time (rounded)
* @param reserve_pub public key of the reserve to debit
* @param amount total amount to withdraw
* @param[out] found set to true if the reserve was found
* @param[out] balance_ok set to true if the balance was sufficient
* @param[out] ruuid set to the reserve's UUID (reserves table row)
* @return query execution status
*/
enum GNUNET_DB_QueryStatus
TEH_PG_do_batch_withdraw (
void *cls,
struct GNUNET_TIME_Timestamp now,
const struct TALER_ReservePublicKeyP *reserve_pub,
const struct TALER_Amount *amount,
bool *found,
bool *balance_ok,
uint64_t *ruuid);
#endif

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/*
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_deposit.c
* @brief Implementation of the do_deposit 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_deposit.h"
#include "pg_helper.h"
#include "pg_compute_shard.h"
enum GNUNET_DB_QueryStatus
TEH_PG_do_deposit (
void *cls,
const struct TALER_EXCHANGEDB_Deposit *deposit,
uint64_t known_coin_id,
const struct TALER_PaytoHashP *h_payto,
uint64_t *policy_details_serial_id,
struct GNUNET_TIME_Timestamp *exchange_timestamp,
bool *balance_ok,
bool *in_conflict)
{
struct PostgresClosure *pg = cls;
uint64_t deposit_shard = TEH_PG_compute_shard (&deposit->merchant_pub);
struct GNUNET_PQ_QueryParam params[] = {
TALER_PQ_query_param_amount (&deposit->amount_with_fee),
GNUNET_PQ_query_param_auto_from_type (&deposit->h_contract_terms),
GNUNET_PQ_query_param_auto_from_type (&deposit->wire_salt),
GNUNET_PQ_query_param_timestamp (&deposit->timestamp),
GNUNET_PQ_query_param_timestamp (exchange_timestamp),
GNUNET_PQ_query_param_timestamp (&deposit->refund_deadline),
GNUNET_PQ_query_param_timestamp (&deposit->wire_deadline),
GNUNET_PQ_query_param_auto_from_type (&deposit->merchant_pub),
GNUNET_PQ_query_param_string (deposit->receiver_wire_account),
GNUNET_PQ_query_param_auto_from_type (h_payto),
GNUNET_PQ_query_param_uint64 (&known_coin_id),
GNUNET_PQ_query_param_auto_from_type (&deposit->coin.coin_pub),
GNUNET_PQ_query_param_auto_from_type (&deposit->csig),
GNUNET_PQ_query_param_uint64 (&deposit_shard),
GNUNET_PQ_query_param_bool (deposit->has_policy),
(NULL == policy_details_serial_id)
? GNUNET_PQ_query_param_null ()
: GNUNET_PQ_query_param_uint64 (policy_details_serial_id),
GNUNET_PQ_query_param_end
};
struct GNUNET_PQ_ResultSpec rs[] = {
GNUNET_PQ_result_spec_bool ("balance_ok",
balance_ok),
GNUNET_PQ_result_spec_bool ("conflicted",
in_conflict),
GNUNET_PQ_result_spec_timestamp ("exchange_timestamp",
exchange_timestamp),
GNUNET_PQ_result_spec_end
};
/* Used in #postgres_do_deposit() to execute a deposit,
checking the coin's balance in the process as needed. */
PREPARE (pg,
"call_deposit",
"SELECT "
" out_exchange_timestamp AS exchange_timestamp"
",out_balance_ok AS balance_ok"
",out_conflict AS conflicted"
" FROM exchange_do_deposit"
" ($1,$2,$3,$4,$5,$6,$7,$8,$9,$10,$11,$12,$13,$14,$15,$16,$17);");
return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
"call_deposit",
params,
rs);
}

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/*
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_deposit.h
* @brief implementation of the do_deposit function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_DO_DEPOSIT_H
#define PG_DO_DEPOSIT_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Perform deposit operation, checking for sufficient balance
* of the coin and possibly persisting the deposit details.
*
* @param cls the `struct PostgresClosure` with the plugin-specific state
* @param deposit deposit operation details
* @param known_coin_id row of the coin in the known_coins table
* @param h_payto hash of the merchant's bank account details
* @param policy_details_serial_id pointer to the ID of the entry in policy_details, maybe NULL
* @param[in,out] exchange_timestamp time to use for the deposit (possibly updated)
* @param[out] balance_ok set to true if the balance was sufficient
* @param[out] in_conflict set to true if the deposit conflicted
* @return query execution status
*/
enum GNUNET_DB_QueryStatus
TEH_PG_do_deposit (
void *cls,
const struct TALER_EXCHANGEDB_Deposit *deposit,
uint64_t known_coin_id,
const struct TALER_PaytoHashP *h_payto,
uint64_t *policy_details_serial_id,
struct GNUNET_TIME_Timestamp *exchange_timestamp,
bool *balance_ok,
bool *in_conflict);
#endif

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/*
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_melt.c
* @brief Implementation of the do_melt 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_melt.h"
#include "pg_helper.h"
enum GNUNET_DB_QueryStatus
TEH_PG_do_melt (
void *cls,
const struct TALER_RefreshMasterSecretP *rms,
struct TALER_EXCHANGEDB_Refresh *refresh,
uint64_t known_coin_id,
bool *zombie_required,
bool *balance_ok)
{
struct PostgresClosure *pg = cls;
struct GNUNET_PQ_QueryParam params[] = {
NULL == rms
? GNUNET_PQ_query_param_null ()
: GNUNET_PQ_query_param_auto_from_type (rms),
TALER_PQ_query_param_amount (&refresh->amount_with_fee),
GNUNET_PQ_query_param_auto_from_type (&refresh->rc),
GNUNET_PQ_query_param_auto_from_type (&refresh->coin.coin_pub),
GNUNET_PQ_query_param_auto_from_type (&refresh->coin_sig),
GNUNET_PQ_query_param_uint64 (&known_coin_id),
GNUNET_PQ_query_param_uint32 (&refresh->noreveal_index),
GNUNET_PQ_query_param_bool (*zombie_required),
GNUNET_PQ_query_param_end
};
bool is_null;
struct GNUNET_PQ_ResultSpec rs[] = {
GNUNET_PQ_result_spec_bool ("balance_ok",
balance_ok),
GNUNET_PQ_result_spec_bool ("zombie_required",
zombie_required),
GNUNET_PQ_result_spec_allow_null (
GNUNET_PQ_result_spec_uint32 ("noreveal_index",
&refresh->noreveal_index),
&is_null),
GNUNET_PQ_result_spec_end
};
enum GNUNET_DB_QueryStatus qs;
/* Used in #postgres_do_melt() to melt a coin. */
PREPARE (pg,
"call_melt",
"SELECT "
" out_balance_ok AS balance_ok"
",out_zombie_bad AS zombie_required"
",out_noreveal_index AS noreveal_index"
" FROM exchange_do_melt"
" ($1,$2,$3,$4,$5,$6,$7,$8,$9);");
qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
"call_melt",
params,
rs);
if (is_null)
refresh->noreveal_index = UINT32_MAX; /* set to very invalid value */
return qs;
}

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/*
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_melt.h
* @brief implementation of the do_melt function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_DO_MELT_H
#define PG_DO_MELT_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Perform melt operation, checking for sufficient balance
* of the coin and possibly persisting the melt details.
*
* @param cls the `struct PostgresClosure` with the plugin-specific state
* @param rms client-contributed input for CS denominations that must be checked for idempotency, or NULL for non-CS withdrawals
* @param[in,out] refresh refresh operation details; the noreveal_index
* is set in case the coin was already melted before
* @param known_coin_id row of the coin in the known_coins table
* @param[in,out] zombie_required true if the melt must only succeed if the coin is a zombie, set to false if the requirement was satisfied
* @param[out] balance_ok set to true if the balance was sufficient
* @return query execution status
*/
enum GNUNET_DB_QueryStatus
TEH_PG_do_melt (
void *cls,
const struct TALER_RefreshMasterSecretP *rms,
struct TALER_EXCHANGEDB_Refresh *refresh,
uint64_t known_coin_id,
bool *zombie_required,
bool *balance_ok);
#endif

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/*
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_recoup.c
* @brief Implementation of the do_recoup 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_recoup.h"
#include "pg_helper.h"
enum GNUNET_DB_QueryStatus
TEH_PG_do_recoup (
void *cls,
const struct TALER_ReservePublicKeyP *reserve_pub,
uint64_t reserve_out_serial_id,
const union TALER_DenominationBlindingKeyP *coin_bks,
const struct TALER_CoinSpendPublicKeyP *coin_pub,
uint64_t known_coin_id,
const struct TALER_CoinSpendSignatureP *coin_sig,
struct GNUNET_TIME_Timestamp *recoup_timestamp,
bool *recoup_ok,
bool *internal_failure)
{
struct PostgresClosure *pg = cls;
struct GNUNET_TIME_Timestamp reserve_gc
= GNUNET_TIME_relative_to_timestamp (pg->legal_reserve_expiration_time);
struct GNUNET_TIME_Timestamp reserve_expiration
= GNUNET_TIME_relative_to_timestamp (pg->idle_reserve_expiration_time);
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_auto_from_type (reserve_pub),
GNUNET_PQ_query_param_uint64 (&reserve_out_serial_id),
GNUNET_PQ_query_param_auto_from_type (coin_bks),
GNUNET_PQ_query_param_auto_from_type (coin_pub),
GNUNET_PQ_query_param_uint64 (&known_coin_id),
GNUNET_PQ_query_param_auto_from_type (coin_sig),
GNUNET_PQ_query_param_timestamp (&reserve_gc),
GNUNET_PQ_query_param_timestamp (&reserve_expiration),
GNUNET_PQ_query_param_timestamp (recoup_timestamp),
GNUNET_PQ_query_param_end
};
bool is_null;
struct GNUNET_PQ_ResultSpec rs[] = {
GNUNET_PQ_result_spec_allow_null (
GNUNET_PQ_result_spec_timestamp ("recoup_timestamp",
recoup_timestamp),
&is_null),
GNUNET_PQ_result_spec_bool ("recoup_ok",
recoup_ok),
GNUNET_PQ_result_spec_bool ("internal_failure",
internal_failure),
GNUNET_PQ_result_spec_end
};
PREPARE (pg,
"call_recoup",
"SELECT "
" out_recoup_timestamp AS recoup_timestamp"
",out_recoup_ok AS recoup_ok"
",out_internal_failure AS internal_failure"
" FROM exchange_do_recoup_to_reserve"
" ($1,$2,$3,$4,$5,$6,$7,$8,$9);");
return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
"call_recoup",
params,
rs);
}

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/*
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_recoup.h
* @brief implementation of the do_recoup function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_DO_RECOUP_H
#define PG_DO_RECOUP_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Perform recoup operation, checking for sufficient deposits
* of the coin and possibly persisting the recoup details.
*
* @param cls the `struct PostgresClosure` with the plugin-specific state
* @param reserve_pub public key of the reserve to credit
* @param reserve_out_serial_id row in the reserves_out table justifying the recoup
* @param coin_bks coin blinding key secret to persist
* @param coin_pub public key of the coin being recouped
* @param known_coin_id row of the @a coin_pub in the known_coins table
* @param coin_sig signature of the coin requesting the recoup
* @param[in,out] recoup_timestamp recoup timestamp, set if recoup existed
* @param[out] recoup_ok set if the recoup succeeded (balance ok)
* @param[out] internal_failure set on internal failures
* @return query execution status
*/
enum GNUNET_DB_QueryStatus
TEH_PG_do_recoup (
void *cls,
const struct TALER_ReservePublicKeyP *reserve_pub,
uint64_t reserve_out_serial_id,
const union TALER_DenominationBlindingKeyP *coin_bks,
const struct TALER_CoinSpendPublicKeyP *coin_pub,
uint64_t known_coin_id,
const struct TALER_CoinSpendSignatureP *coin_sig,
struct GNUNET_TIME_Timestamp *recoup_timestamp,
bool *recoup_ok,
bool *internal_failure);
#endif

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/*
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_recoup_refresh.c
* @brief Implementation of the do_recoup_refresh 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_recoup_refresh.h"
#include "pg_helper.h"
enum GNUNET_DB_QueryStatus
TEH_PG_do_recoup_refresh (
void *cls,
const struct TALER_CoinSpendPublicKeyP *old_coin_pub,
uint64_t rrc_serial,
const union TALER_DenominationBlindingKeyP *coin_bks,
const struct TALER_CoinSpendPublicKeyP *coin_pub,
uint64_t known_coin_id,
const struct TALER_CoinSpendSignatureP *coin_sig,
struct GNUNET_TIME_Timestamp *recoup_timestamp,
bool *recoup_ok,
bool *internal_failure)
{
struct PostgresClosure *pg = cls;
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_auto_from_type (old_coin_pub),
GNUNET_PQ_query_param_uint64 (&rrc_serial),
GNUNET_PQ_query_param_auto_from_type (coin_bks),
GNUNET_PQ_query_param_auto_from_type (coin_pub),
GNUNET_PQ_query_param_uint64 (&known_coin_id),
GNUNET_PQ_query_param_auto_from_type (coin_sig),
GNUNET_PQ_query_param_timestamp (recoup_timestamp),
GNUNET_PQ_query_param_end
};
bool is_null;
struct GNUNET_PQ_ResultSpec rs[] = {
GNUNET_PQ_result_spec_allow_null (
GNUNET_PQ_result_spec_timestamp ("recoup_timestamp",
recoup_timestamp),
&is_null),
GNUNET_PQ_result_spec_bool ("recoup_ok",
recoup_ok),
GNUNET_PQ_result_spec_bool ("internal_failure",
internal_failure),
GNUNET_PQ_result_spec_end
};
PREPARE (pg,
"call_recoup_refresh",
"SELECT "
" out_recoup_timestamp AS recoup_timestamp"
",out_recoup_ok AS recoup_ok"
",out_internal_failure AS internal_failure"
" FROM exchange_do_recoup_to_coin"
" ($1,$2,$3,$4,$5,$6,$7);");
return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
"call_recoup_refresh",
params,
rs);
}

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/*
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_recoup_refresh.h
* @brief implementation of the do_recoup_refresh function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_DO_RECOUP_REFRESH_H
#define PG_DO_RECOUP_REFRESH_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Perform recoup-refresh operation, checking for sufficient deposits of the
* coin and possibly persisting the recoup-refresh details.
*
* @param cls the `struct PostgresClosure` with the plugin-specific state
* @param old_coin_pub public key of the old coin to credit
* @param rrc_serial row in the refresh_revealed_coins table justifying the recoup-refresh
* @param coin_bks coin blinding key secret to persist
* @param coin_pub public key of the coin being recouped
* @param known_coin_id row of the @a coin_pub in the known_coins table
* @param coin_sig signature of the coin requesting the recoup
* @param[in,out] recoup_timestamp recoup timestamp, set if recoup existed
* @param[out] recoup_ok set if the recoup-refresh succeeded (balance ok)
* @param[out] internal_failure set on internal failures
* @return query execution status
*/
enum GNUNET_DB_QueryStatus
TEH_PG_do_recoup_refresh (
void *cls,
const struct TALER_CoinSpendPublicKeyP *old_coin_pub,
uint64_t rrc_serial,
const union TALER_DenominationBlindingKeyP *coin_bks,
const struct TALER_CoinSpendPublicKeyP *coin_pub,
uint64_t known_coin_id,
const struct TALER_CoinSpendSignatureP *coin_sig,
struct GNUNET_TIME_Timestamp *recoup_timestamp,
bool *recoup_ok,
bool *internal_failure);
#endif

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/*
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_refund.c
* @brief Implementation of the do_refund 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_refund.h"
#include "pg_helper.h"
#include "pg_compute_shard.h"
enum GNUNET_DB_QueryStatus
TEH_PG_do_refund (
void *cls,
const struct TALER_EXCHANGEDB_Refund *refund,
const struct TALER_Amount *deposit_fee,
uint64_t known_coin_id,
bool *not_found,
bool *refund_ok,
bool *gone,
bool *conflict)
{
struct PostgresClosure *pg = cls;
uint64_t deposit_shard = TEH_PG_compute_shard (&refund->details.merchant_pub);
struct TALER_Amount amount_without_fee;
struct GNUNET_PQ_QueryParam params[] = {
TALER_PQ_query_param_amount (&refund->details.refund_amount),
TALER_PQ_query_param_amount (&amount_without_fee),
TALER_PQ_query_param_amount (deposit_fee),
GNUNET_PQ_query_param_auto_from_type (&refund->details.h_contract_terms),
GNUNET_PQ_query_param_uint64 (&refund->details.rtransaction_id),
GNUNET_PQ_query_param_uint64 (&deposit_shard),
GNUNET_PQ_query_param_uint64 (&known_coin_id),
GNUNET_PQ_query_param_auto_from_type (&refund->coin.coin_pub),
GNUNET_PQ_query_param_auto_from_type (&refund->details.merchant_pub),
GNUNET_PQ_query_param_auto_from_type (&refund->details.merchant_sig),
GNUNET_PQ_query_param_end
};
struct GNUNET_PQ_ResultSpec rs[] = {
GNUNET_PQ_result_spec_bool ("not_found",
not_found),
GNUNET_PQ_result_spec_bool ("refund_ok",
refund_ok),
GNUNET_PQ_result_spec_bool ("gone",
gone),
GNUNET_PQ_result_spec_bool ("conflict",
conflict),
GNUNET_PQ_result_spec_end
};
if (0 >
TALER_amount_subtract (&amount_without_fee,
&refund->details.refund_amount,
&refund->details.refund_fee))
{
GNUNET_break (0);
return GNUNET_DB_STATUS_HARD_ERROR;
}
/* Used in #postgres_do_refund() to refund a deposit. */
PREPARE (pg,
"call_refund",
"SELECT "
" out_not_found AS not_found"
",out_refund_ok AS refund_ok"
",out_gone AS gone"
",out_conflict AS conflict"
" FROM exchange_do_refund"
" ($1,$2,$3,$4,$5,$6,$7,$8,$9,$10,$11,$12,$13);");
return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
"call_refund",
params,
rs);
}

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/*
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_refund.h
* @brief implementation of the do_refund function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_DO_REFUND_H
#define PG_DO_REFUND_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Perform refund operation, checking for sufficient deposits
* of the coin and possibly persisting the refund details.
*
* @param cls the `struct PostgresClosure` with the plugin-specific state
* @param refund refund operation details
* @param deposit_fee deposit fee applicable for the coin, possibly refunded
* @param known_coin_id row of the coin in the known_coins table
* @param[out] not_found set if the deposit was not found
* @param[out] refund_ok set if the refund succeeded (below deposit amount)
* @param[out] gone if the merchant was already paid
* @param[out] conflict set if the refund ID was re-used
* @return query execution status
*/
enum GNUNET_DB_QueryStatus
TEH_PG_do_refund (
void *cls,
const struct TALER_EXCHANGEDB_Refund *refund,
const struct TALER_Amount *deposit_fee,
uint64_t known_coin_id,
bool *not_found,
bool *refund_ok,
bool *gone,
bool *conflict);
#endif

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/*
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_drain_kyc_alert.c
* @brief Implementation of the drain_kyc_alert 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_drain_kyc_alert.h"
#include "pg_helper.h"
enum GNUNET_DB_QueryStatus
TEH_PG_drain_kyc_alert (void *cls,
uint32_t trigger_type,
struct TALER_PaytoHashP *h_payto)
{
struct PostgresClosure *pg = cls;
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_uint32 (&trigger_type),
GNUNET_PQ_query_param_end
};
struct GNUNET_PQ_ResultSpec rs[] = {
GNUNET_PQ_result_spec_auto_from_type ("h_payto",
h_payto),
GNUNET_PQ_result_spec_end
};
PREPARE (pg,
"drain_kyc_alert",
"DELETE FROM kyc_alerts"
" WHERE trigger_type=$1"
" AND h_payto = "
" (SELECT h_payto "
" FROM kyc_alerts"
" WHERE trigger_type=$1"
" LIMIT 1)"
" RETURNING h_payto;");
return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
"drain_kyc_alert",
params,
rs);
}

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/*
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_drain_kyc_alert.h
* @brief implementation of the drain_kyc_alert function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_DRAIN_KYC_ALERT_H
#define PG_DRAIN_KYC_ALERT_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Extract next KYC alert. Deletes the alert.
*
* @param cls the @e cls of this struct with the plugin-specific state
* @param trigger_type which type of alert to drain
* @param[out] h_payto set to hash of payto-URI where KYC status changed
* @return transaction status
*/
enum GNUNET_DB_QueryStatus
TEH_PG_drain_kyc_alert (void *cls,
uint32_t trigger_type,
struct TALER_PaytoHashP *h_payto);
#endif

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/*
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_ensure_coin_known.c
* @brief Implementation of the ensure_coin_known 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_ensure_coin_known.h"
#include "pg_helper.h"
enum TALER_EXCHANGEDB_CoinKnownStatus
TEH_PG_ensure_coin_known (void *cls,
const struct TALER_CoinPublicInfo *coin,
uint64_t *known_coin_id,
struct TALER_DenominationHashP *denom_hash,
struct TALER_AgeCommitmentHash *h_age_commitment)
{
struct PostgresClosure *pg = cls;
enum GNUNET_DB_QueryStatus qs;
bool existed;
bool is_denom_pub_hash_null = false;
bool is_age_hash_null = false;
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_auto_from_type (&coin->coin_pub),
GNUNET_PQ_query_param_auto_from_type (&coin->denom_pub_hash),
GNUNET_PQ_query_param_auto_from_type (&coin->h_age_commitment),
TALER_PQ_query_param_denom_sig (&coin->denom_sig),
GNUNET_PQ_query_param_end
};
struct GNUNET_PQ_ResultSpec rs[] = {
GNUNET_PQ_result_spec_bool ("existed",
&existed),
GNUNET_PQ_result_spec_uint64 ("known_coin_id",
known_coin_id),
GNUNET_PQ_result_spec_allow_null (
GNUNET_PQ_result_spec_auto_from_type ("denom_pub_hash",
denom_hash),
&is_denom_pub_hash_null),
GNUNET_PQ_result_spec_allow_null (
GNUNET_PQ_result_spec_auto_from_type ("age_commitment_hash",
h_age_commitment),
&is_age_hash_null),
GNUNET_PQ_result_spec_end
};
/* Used in #postgres_insert_known_coin() to store the denomination public
key and signature for a coin known to the exchange.
See also:
https://stackoverflow.com/questions/34708509/how-to-use-returning-with-on-conflict-in-postgresql/37543015#37543015
*/
PREPARE (pg,
"insert_known_coin",
"WITH dd"
" (denominations_serial"
" ,coin_val"
" ,coin_frac"
" ) AS ("
" SELECT "
" denominations_serial"
" ,coin_val"
" ,coin_frac"
" FROM denominations"
" WHERE denom_pub_hash=$2"
" ), input_rows"
" (coin_pub) AS ("
" VALUES ($1::BYTEA)"
" ), ins AS ("
" INSERT INTO known_coins "
" (coin_pub"
" ,denominations_serial"
" ,age_commitment_hash"
" ,denom_sig"
" ,remaining_val"
" ,remaining_frac"
" ) SELECT "
" $1"
" ,denominations_serial"
" ,$3"
" ,$4"
" ,coin_val"
" ,coin_frac"
" FROM dd"
" ON CONFLICT DO NOTHING" /* CONFLICT on (coin_pub) */
" RETURNING "
" known_coin_id"
" ) "
"SELECT "
" FALSE AS existed"
" ,known_coin_id"
" ,NULL AS denom_pub_hash"
" ,NULL AS age_commitment_hash"
" FROM ins "
"UNION ALL "
"SELECT "
" TRUE AS existed"
" ,known_coin_id"
" ,denom_pub_hash"
" ,kc.age_commitment_hash"
" FROM input_rows"
" JOIN known_coins kc USING (coin_pub)"
" JOIN denominations USING (denominations_serial)"
" LIMIT 1");
qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
"insert_known_coin",
params,
rs);
switch (qs)
{
case GNUNET_DB_STATUS_HARD_ERROR:
GNUNET_break (0);
return TALER_EXCHANGEDB_CKS_HARD_FAIL;
case GNUNET_DB_STATUS_SOFT_ERROR:
return TALER_EXCHANGEDB_CKS_SOFT_FAIL;
case GNUNET_DB_STATUS_SUCCESS_NO_RESULTS:
GNUNET_break (0); /* should be impossible */
return TALER_EXCHANGEDB_CKS_HARD_FAIL;
case GNUNET_DB_STATUS_SUCCESS_ONE_RESULT:
if (! existed)
return TALER_EXCHANGEDB_CKS_ADDED;
break; /* continued below */
}
if ( (! is_denom_pub_hash_null) &&
(0 != GNUNET_memcmp (&denom_hash->hash,
&coin->denom_pub_hash.hash)) )
{
GNUNET_break_op (0);
return TALER_EXCHANGEDB_CKS_DENOM_CONFLICT;
}
if ( (! is_age_hash_null) &&
(0 != GNUNET_memcmp (h_age_commitment,
&coin->h_age_commitment)) )
{
GNUNET_break (GNUNET_is_zero (h_age_commitment));
GNUNET_break_op (0);
return TALER_EXCHANGEDB_CKS_AGE_CONFLICT;
}
return TALER_EXCHANGEDB_CKS_PRESENT;
}

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/*
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_ensure_coin_known.h
* @brief implementation of the ensure_coin_known function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_ENSURE_COIN_KNOWN_H
#define PG_ENSURE_COIN_KNOWN_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Make sure the given @a coin is known to the database.
*
* @param cls database connection plugin state
* @param coin the coin that must be made known
* @param[out] known_coin_id set to the unique row of the coin
* @param[out] denom_hash set to the denomination hash of the existing
* coin (for conflict error reporting)
* @param[out] h_age_commitment set to the conflicting age commitment hash on conflict
* @return database transaction status, non-negative on success
*/
enum TALER_EXCHANGEDB_CoinKnownStatus
TEH_PG_ensure_coin_known (void *cls,
const struct TALER_CoinPublicInfo *coin,
uint64_t *known_coin_id,
struct TALER_DenominationHashP *denom_hash,
struct TALER_AgeCommitmentHash *h_age_commitment);
#endif

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/*
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_event_listen.c
* @brief Implementation of the event_listen 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_event_listen.h"
#include "pg_helper.h"
/**
* Register callback to be invoked on events of type @a es.
*
* @param cls database context to use
* @param timeout how long until to generate a timeout event
* @param es specification of the event to listen for
* @param cb function to call when the event happens, possibly
* multiple times (until cancel is invoked)
* @param cb_cls closure for @a cb
* @return handle useful to cancel the listener
*/
struct GNUNET_DB_EventHandler *
TEH_PG_event_listen (void *cls,
struct GNUNET_TIME_Relative timeout,
const struct GNUNET_DB_EventHeaderP *es,
GNUNET_DB_EventCallback cb,
void *cb_cls)
{
struct PostgresClosure *pg = cls;
return GNUNET_PQ_event_listen (pg->conn,
es,
timeout,
cb,
cb_cls);
}

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/*
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_event_listen.h
* @brief implementation of the event_listen function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_EVENT_LISTEN_H
#define PG_EVENT_LISTEN_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Register callback to be invoked on events of type @a es.
*
* @param cls database context to use
* @param timeout how long until to generate a timeout event
* @param es specification of the event to listen for
* @param cb function to call when the event happens, possibly
* multiple times (until cancel is invoked)
* @param cb_cls closure for @a cb
* @return handle useful to cancel the listener
*/
struct GNUNET_DB_EventHandler *
TEH_PG_event_listen (void *cls,
struct GNUNET_TIME_Relative timeout,
const struct GNUNET_DB_EventHeaderP *es,
GNUNET_DB_EventCallback cb,
void *cb_cls);
#endif

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/*
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_event_listen_cancel.c
* @brief Implementation of the event_listen_cancel 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_event_listen_cancel.h"
#include "pg_helper.h"
void
TEH_PG_event_listen_cancel (void *cls,
struct GNUNET_DB_EventHandler *eh)
{
(void) cls;
GNUNET_PQ_event_listen_cancel (eh);
}

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/*
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_event_listen_cancel.h
* @brief implementation of the event_listen_cancel function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_EVENT_LISTEN_CANCEL_H
#define PG_EVENT_LISTEN_CANCEL_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Stop notifications.
*
* @param cls the plugin's `struct PostgresClosure`
* @param eh handle to unregister.
*/
void
TEH_PG_event_listen_cancel (void *cls,
struct GNUNET_DB_EventHandler *eh);
#endif

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/*
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_event_notify.c
* @brief Implementation of the event_notify 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_event_notify.h"
#include "pg_helper.h"
void
TEH_PG_event_notify (void *cls,
const struct GNUNET_DB_EventHeaderP *es,
const void *extra,
size_t extra_size)
{
struct PostgresClosure *pg = cls;
GNUNET_PQ_event_notify (pg->conn,
es,
extra,
extra_size);
}

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/*
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_event_notify.h
* @brief implementation of the event_notify function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_EVENT_NOTIFY_H
#define PG_EVENT_NOTIFY_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Notify all that listen on @a es of an event.
*
* @param cls database context to use
* @param es specification of the event to generate
* @param extra additional event data provided
* @param extra_size number of bytes in @a extra
*/
void
TEH_PG_event_notify (void *cls,
const struct GNUNET_DB_EventHeaderP *es,
const void *extra,
size_t extra_size);
#endif

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/*
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_expire_purse.c
* @brief Implementation of the expire_purse 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_expire_purse.h"
#include "pg_helper.h"
enum GNUNET_DB_QueryStatus
TEH_PG_expire_purse (
void *cls,
struct GNUNET_TIME_Absolute start_time,
struct GNUNET_TIME_Absolute end_time)
{
struct PostgresClosure *pg = cls;
struct GNUNET_TIME_Absolute now = GNUNET_TIME_absolute_get ();
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_absolute_time (&start_time),
GNUNET_PQ_query_param_absolute_time (&end_time),
GNUNET_PQ_query_param_absolute_time (&now),
GNUNET_PQ_query_param_end
};
bool found = false;
struct GNUNET_PQ_ResultSpec rs[] = {
GNUNET_PQ_result_spec_bool ("found",
&found),
GNUNET_PQ_result_spec_end
};
enum GNUNET_DB_QueryStatus qs;
PREPARE (pg,
"call_expire_purse",
"SELECT "
" out_found AS found"
" FROM exchange_do_expire_purse"
" ($1,$2,$3);");
qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
"call_expire_purse",
params,
rs);
if (qs < 0)
return qs;
GNUNET_assert (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT == qs);
return found
? GNUNET_DB_STATUS_SUCCESS_ONE_RESULT
: GNUNET_DB_STATUS_SUCCESS_NO_RESULTS;
}

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/*
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_expire_purse.h
* @brief implementation of the expire_purse function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_EXPIRE_PURSE_H
#define PG_EXPIRE_PURSE_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Function called to clean up one expired purse.
*
* @param cls the @e cls of this struct with the plugin-specific state
* @param start_time select purse expired after this time
* @param end_time select purse expired before this time
* @return transaction status code (#GNUNET_DB_STATUS_SUCCESS_NO_RESULTS if no purse expired in the given time interval).
*/
enum GNUNET_DB_QueryStatus
TEH_PG_expire_purse (
void *cls,
struct GNUNET_TIME_Absolute start_time,
struct GNUNET_TIME_Absolute end_time);
#endif

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/*
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_find_aggregation_transient.c
* @brief Implementation of the find_aggregation_transient 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_find_aggregation_transient.h"
#include "pg_helper.h"
/**
* Closure for #get_refunds_cb().
*/
struct FindAggregationTransientContext
{
/**
* Function to call on each result.
*/
TALER_EXCHANGEDB_TransientAggregationCallback cb;
/**
* Closure for @a cb.
*/
void *cb_cls;
/**
* Plugin context.
*/
struct PostgresClosure *pg;
/**
* Set to #GNUNET_SYSERR on error.
*/
enum GNUNET_GenericReturnValue status;
};
/**
* Function to be called with the results of a SELECT statement
* that has returned @a num_results results.
*
* @param cls closure of type `struct SelectRefundContext *`
* @param result the postgres result
* @param num_results the number of results in @a result
*/
static void
get_transients_cb (void *cls,
PGresult *result,
unsigned int num_results)
{
struct FindAggregationTransientContext *srctx = cls;
struct PostgresClosure *pg = srctx->pg;
for (unsigned int i = 0; i<num_results; i++)
{
struct TALER_Amount amount;
char *payto_uri;
struct TALER_WireTransferIdentifierRawP wtid;
struct TALER_MerchantPublicKeyP merchant_pub;
struct GNUNET_PQ_ResultSpec rs[] = {
GNUNET_PQ_result_spec_auto_from_type ("merchant_pub",
&merchant_pub),
GNUNET_PQ_result_spec_auto_from_type ("wtid_raw",
&wtid),
GNUNET_PQ_result_spec_string ("payto_uri",
&payto_uri),
TALER_PQ_RESULT_SPEC_AMOUNT ("amount",
&amount),
GNUNET_PQ_result_spec_end
};
bool cont;
if (GNUNET_OK !=
GNUNET_PQ_extract_result (result,
rs,
i))
{
GNUNET_break (0);
srctx->status = GNUNET_SYSERR;
return;
}
cont = srctx->cb (srctx->cb_cls,
payto_uri,
&wtid,
&merchant_pub,
&amount);
GNUNET_free (payto_uri);
if (! cont)
break;
}
}
enum GNUNET_DB_QueryStatus
TEH_PG_find_aggregation_transient (
void *cls,
const struct TALER_PaytoHashP *h_payto,
TALER_EXCHANGEDB_TransientAggregationCallback cb,
void *cb_cls)
{
struct PostgresClosure *pg = cls;
enum GNUNET_DB_QueryStatus qs;
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_auto_from_type (h_payto),
GNUNET_PQ_query_param_end
};
struct FindAggregationTransientContext srctx = {
.cb = cb,
.cb_cls = cb_cls,
.pg = pg,
.status = GNUNET_OK
};
/* Used in #postgres_find_aggregation_transient() */
PREPARE (pg,
"find_transient_aggregations",
"SELECT"
" amount_val"
" ,amount_frac"
" ,wtid_raw"
" ,merchant_pub"
" ,payto_uri"
" FROM aggregation_transient atr"
" JOIN wire_targets wt USING (wire_target_h_payto)"
" WHERE atr.wire_target_h_payto=$1;");
qs = GNUNET_PQ_eval_prepared_multi_select (pg->conn,
"find_transient_aggregations",
params,
&get_transients_cb,
&srctx);
if (GNUNET_SYSERR == srctx.status)
return GNUNET_DB_STATUS_HARD_ERROR;
return qs;
}

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/*
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_find_aggregation_transient.h
* @brief implementation of the find_aggregation_transient function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_FIND_AGGREGATION_TRANSIENT_H
#define PG_FIND_AGGREGATION_TRANSIENT_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Find existing entry in the transient aggregation table.
*
* @param cls the @e cls of this struct with the plugin-specific state
* @param h_payto destination of the wire transfer
* @param cb function to call on each matching entry
* @param cb_cls closure for @a cb
* @return transaction status
*/
enum GNUNET_DB_QueryStatus
TEH_PG_find_aggregation_transient (
void *cls,
const struct TALER_PaytoHashP *h_payto,
TALER_EXCHANGEDB_TransientAggregationCallback cb,
void *cb_cls);
#endif

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/*
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_gc.c
* @brief Implementation of the gc 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_gc.h"
#include "pg_helper.h"
enum GNUNET_GenericReturnValue
TEH_PG_gc (void *cls)
{
struct PostgresClosure *pg = cls;
struct GNUNET_TIME_Absolute now = GNUNET_TIME_absolute_get ();
struct GNUNET_TIME_Absolute long_ago;
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_absolute_time (&long_ago),
GNUNET_PQ_query_param_absolute_time (&now),
GNUNET_PQ_query_param_end
};
struct GNUNET_PQ_Context *conn;
enum GNUNET_GenericReturnValue ret;
/* Keep wire fees for 10 years, that should always
be enough _and_ they are tiny so it does not
matter to make this tight */
long_ago = GNUNET_TIME_absolute_subtract (
now,
GNUNET_TIME_relative_multiply (
GNUNET_TIME_UNIT_YEARS,
10));
{
struct GNUNET_PQ_ExecuteStatement es[] = {
GNUNET_PQ_make_try_execute ("SET search_path TO exchange;"),
GNUNET_PQ_EXECUTE_STATEMENT_END
};
struct GNUNET_PQ_PreparedStatement ps[] = {
/* Used in #postgres_gc() */
GNUNET_PQ_make_prepare ("run_gc",
"CALL"
" exchange_do_gc"
" ($1,$2);"),
GNUNET_PQ_PREPARED_STATEMENT_END
};
conn = GNUNET_PQ_connect_with_cfg (pg->cfg,
"exchangedb-postgres",
NULL,
es,
ps);
}
if (NULL == conn)
return GNUNET_SYSERR;
ret = GNUNET_OK;
if (0 > GNUNET_PQ_eval_prepared_non_select (conn,
"run_gc",
params))
ret = GNUNET_SYSERR;
GNUNET_PQ_disconnect (conn);
return ret;
}

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/*
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_gc.h
* @brief implementation of the gc function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_GC_H
#define PG_GC_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Function called to perform "garbage collection" on the
* database, expiring records we no longer require.
*
* @param cls closure
* @return #GNUNET_OK on success,
* #GNUNET_SYSERR on DB errors
*/
enum GNUNET_GenericReturnValue
TEH_PG_gc (void *cls);
#endif

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/*
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_get_coin_denomination.c
* @brief Implementation of the get_coin_denomination 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_get_coin_denomination.h"
#include "pg_helper.h"
enum GNUNET_DB_QueryStatus
TEH_PG_get_coin_denomination (
void *cls,
const struct TALER_CoinSpendPublicKeyP *coin_pub,
uint64_t *known_coin_id,
struct TALER_DenominationHashP *denom_hash)
{
struct PostgresClosure *pg = cls;
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_auto_from_type (coin_pub),
GNUNET_PQ_query_param_end
};
struct GNUNET_PQ_ResultSpec rs[] = {
GNUNET_PQ_result_spec_auto_from_type ("denom_pub_hash",
denom_hash),
GNUNET_PQ_result_spec_uint64 ("known_coin_id",
known_coin_id),
GNUNET_PQ_result_spec_end
};
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Getting coin denomination of coin %s\n",
TALER_B2S (coin_pub));
/* Used in #postgres_get_coin_denomination() to fetch
the denomination public key hash for
a coin known to the exchange. */
PREPARE (pg,
"get_coin_denomination",
"SELECT"
" denominations.denom_pub_hash"
",known_coin_id"
" FROM known_coins"
" JOIN denominations USING (denominations_serial)"
" WHERE coin_pub=$1"
" FOR SHARE;");
return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
"get_coin_denomination",
params,
rs);
}

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/*
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_get_coin_denomination.h
* @brief implementation of the get_coin_denomination function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_GET_COIN_DENOMINATION_H
#define PG_GET_COIN_DENOMINATION_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Retrieve the denomination of a known coin.
*
* @param cls the plugin closure
* @param coin_pub the public key of the coin to search for
* @param[out] known_coin_id set to the ID of the coin in the known_coins table
* @param[out] denom_hash where to store the hash of the coins denomination
* @return transaction status code
*/
enum GNUNET_DB_QueryStatus
TEH_PG_get_coin_denomination (
void *cls,
const struct TALER_CoinSpendPublicKeyP *coin_pub,
uint64_t *known_coin_id,
struct TALER_DenominationHashP *denom_hash);
#endif

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/*
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_get_denomination_info.c
* @brief Implementation of the get_denomination_info 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_get_denomination_info.h"
#include "pg_helper.h"
enum GNUNET_DB_QueryStatus
TEH_PG_get_denomination_info (
void *cls,
const struct TALER_DenominationHashP *denom_pub_hash,
struct TALER_EXCHANGEDB_DenominationKeyInformation *issue)
{
struct PostgresClosure *pg = cls;
enum GNUNET_DB_QueryStatus qs;
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_auto_from_type (denom_pub_hash),
GNUNET_PQ_query_param_end
};
struct GNUNET_PQ_ResultSpec rs[] = {
GNUNET_PQ_result_spec_auto_from_type ("master_sig",
&issue->signature),
GNUNET_PQ_result_spec_timestamp ("valid_from",
&issue->start),
GNUNET_PQ_result_spec_timestamp ("expire_withdraw",
&issue->expire_withdraw),
GNUNET_PQ_result_spec_timestamp ("expire_deposit",
&issue->expire_deposit),
GNUNET_PQ_result_spec_timestamp ("expire_legal",
&issue->expire_legal),
TALER_PQ_RESULT_SPEC_AMOUNT ("coin",
&issue->value),
TALER_PQ_RESULT_SPEC_AMOUNT ("fee_withdraw",
&issue->fees.withdraw),
TALER_PQ_RESULT_SPEC_AMOUNT ("fee_deposit",
&issue->fees.deposit),
TALER_PQ_RESULT_SPEC_AMOUNT ("fee_refresh",
&issue->fees.refresh),
TALER_PQ_RESULT_SPEC_AMOUNT ("fee_refund",
&issue->fees.refund),
GNUNET_PQ_result_spec_uint32 ("age_mask",
&issue->age_mask.bits),
GNUNET_PQ_result_spec_end
};
/* Used in #postgres_get_denomination_info() */
PREPARE (pg,
"denomination_get",
"SELECT"
" master_sig"
",valid_from"
",expire_withdraw"
",expire_deposit"
",expire_legal"
",coin_val" /* value of this denom */
",coin_frac" /* fractional value of this denom */
",fee_withdraw_val"
",fee_withdraw_frac"
",fee_deposit_val"
",fee_deposit_frac"
",fee_refresh_val"
",fee_refresh_frac"
",fee_refund_val"
",fee_refund_frac"
",age_mask"
" FROM denominations"
" WHERE denom_pub_hash=$1;");
qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
"denomination_get",
params,
rs);
if (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != qs)
return qs;
issue->denom_hash = *denom_pub_hash;
return qs;
}

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/*
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_get_denomination_info.h
* @brief implementation of the get_denomination_info function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_GET_DENOMINATION_INFO_H
#define PG_GET_DENOMINATION_INFO_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Fetch information about a denomination key.
*
* @param cls the @e cls of this struct with the plugin-specific state
* @param denom_pub_hash hash of the public key used for signing coins of this denomination
* @param[out] issue set to issue information with value, fees and other info about the coin
* @return transaction status code
*/
enum GNUNET_DB_QueryStatus
TEH_PG_get_denomination_info (
void *cls,
const struct TALER_DenominationHashP *denom_pub_hash,
struct TALER_EXCHANGEDB_DenominationKeyInformation *issue);
#endif

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/*
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_get_denomination_revocation.c
* @brief Implementation of the get_denomination_revocation 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_get_denomination_revocation.h"
#include "pg_helper.h"
enum GNUNET_DB_QueryStatus
TEH_PG_get_denomination_revocation (
void *cls,
const struct TALER_DenominationHashP *denom_pub_hash,
struct TALER_MasterSignatureP *master_sig,
uint64_t *rowid)
{
struct PostgresClosure *pg = cls;
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_auto_from_type (denom_pub_hash),
GNUNET_PQ_query_param_end
};
struct GNUNET_PQ_ResultSpec rs[] = {
GNUNET_PQ_result_spec_auto_from_type ("master_sig",
master_sig),
GNUNET_PQ_result_spec_uint64 ("denom_revocations_serial_id",
rowid),
GNUNET_PQ_result_spec_end
};
PREPARE (pg,
"denomination_revocation_get",
"SELECT"
" master_sig"
",denom_revocations_serial_id"
" FROM denomination_revocations"
" WHERE denominations_serial="
" (SELECT denominations_serial"
" FROM denominations"
" WHERE denom_pub_hash=$1);");
return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
"denomination_revocation_get",
params,
rs);
}

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/*
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_get_denomination_revocation.h
* @brief implementation of the get_denomination_revocation function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_GET_DENOMINATION_REVOCATION_H
#define PG_GET_DENOMINATION_REVOCATION_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Obtain information about a denomination key's revocation from
* the database.
*
* @param cls closure
* @param denom_pub_hash hash of the revoked denomination key
* @param[out] master_sig signature affirming the revocation
* @param[out] rowid row where the information is stored
* @return transaction status code
*/
enum GNUNET_DB_QueryStatus
TEH_PG_get_denomination_revocation (
void *cls,
const struct TALER_DenominationHashP *denom_pub_hash,
struct TALER_MasterSignatureP *master_sig,
uint64_t *rowid);
#endif

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/*
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_get_global_fee.c
* @brief Implementation of the get_global_fee 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_get_global_fee.h"
#include "pg_helper.h"
enum GNUNET_DB_QueryStatus
TEH_PG_get_global_fee (void *cls,
struct GNUNET_TIME_Timestamp date,
struct GNUNET_TIME_Timestamp *start_date,
struct GNUNET_TIME_Timestamp *end_date,
struct TALER_GlobalFeeSet *fees,
struct GNUNET_TIME_Relative *purse_timeout,
struct GNUNET_TIME_Relative *history_expiration,
uint32_t *purse_account_limit,
struct TALER_MasterSignatureP *master_sig)
{
struct PostgresClosure *pg = cls;
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_timestamp (&date),
GNUNET_PQ_query_param_end
};
struct GNUNET_PQ_ResultSpec rs[] = {
GNUNET_PQ_result_spec_timestamp ("start_date",
start_date),
GNUNET_PQ_result_spec_timestamp ("end_date",
end_date),
TALER_PQ_RESULT_SPEC_AMOUNT ("history_fee",
&fees->history),
TALER_PQ_RESULT_SPEC_AMOUNT ("account_fee",
&fees->account),
TALER_PQ_RESULT_SPEC_AMOUNT ("purse_fee",
&fees->purse),
GNUNET_PQ_result_spec_relative_time ("purse_timeout",
purse_timeout),
GNUNET_PQ_result_spec_relative_time ("history_expiration",
history_expiration),
GNUNET_PQ_result_spec_uint32 ("purse_account_limit",
purse_account_limit),
GNUNET_PQ_result_spec_auto_from_type ("master_sig",
master_sig),
GNUNET_PQ_result_spec_end
};
/* Used in #postgres_get_global_fee() */
PREPARE(pg,
"get_global_fee",
"SELECT "
" start_date"
",end_date"
",history_fee_val"
",history_fee_frac"
",account_fee_val"
",account_fee_frac"
",purse_fee_val"
",purse_fee_frac"
",purse_timeout"
",history_expiration"
",purse_account_limit"
",master_sig"
" FROM global_fee"
" WHERE start_date <= $1"
" AND end_date > $1;");
return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
"get_global_fee",
params,
rs);
}

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/*
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_get_global_fee.h
* @brief implementation of the get_global_fee function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_GET_GLOBAL_FEE_H
#define PG_GET_GLOBAL_FEE_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Obtain global fees from database.
*
* @param cls closure
* @param date for which date do we want the fee?
* @param[out] start_date when does the fee go into effect
* @param[out] end_date when does the fee end being valid
* @param[out] fees how high are the wire fees
* @param[out] purse_timeout set to how long we keep unmerged purses
* @param[out] history_expiration set to how long we keep account histories
* @param[out] purse_account_limit set to the number of free purses per account
* @param[out] master_sig signature over the above by the exchange master key
* @return status of the transaction
*/
enum GNUNET_DB_QueryStatus
TEH_PG_get_global_fee (void *cls,
struct GNUNET_TIME_Timestamp date,
struct GNUNET_TIME_Timestamp *start_date,
struct GNUNET_TIME_Timestamp *end_date,
struct TALER_GlobalFeeSet *fees,
struct GNUNET_TIME_Relative *purse_timeout,
struct GNUNET_TIME_Relative *history_expiration,
uint32_t *purse_account_limit,
struct TALER_MasterSignatureP *master_sig);
#endif

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/*
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_get_global_fees.c
* @brief Implementation of the get_global_fees 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_get_global_fees.h"
#include "pg_helper.h"
/**
* Closure for #global_fees_cb().
*/
struct GlobalFeeContext
{
/**
* Function to call for each global fee block.
*/
TALER_EXCHANGEDB_GlobalFeeCallback cb;
/**
* Closure to give to @e rec.
*/
void *cb_cls;
/**
* Plugin context.
*/
struct PostgresClosure *pg;
/**
* Set to #GNUNET_SYSERR on error.
*/
enum GNUNET_GenericReturnValue status;
};
/**
* Function to be called with the results of a SELECT statement
* that has returned @a num_results results.
*
* @param cls closure
* @param result the postgres result
* @param num_results the number of results in @a result
*/
static void
global_fees_cb (void *cls,
PGresult *result,
unsigned int num_results)
{
struct GlobalFeeContext *gctx = cls;
struct PostgresClosure *pg = gctx->pg;
for (unsigned int i = 0; i<num_results; i++)
{
struct TALER_GlobalFeeSet fees;
struct GNUNET_TIME_Relative purse_timeout;
struct GNUNET_TIME_Relative history_expiration;
uint32_t purse_account_limit;
struct GNUNET_TIME_Timestamp start_date;
struct GNUNET_TIME_Timestamp end_date;
struct TALER_MasterSignatureP master_sig;
struct GNUNET_PQ_ResultSpec rs[] = {
GNUNET_PQ_result_spec_timestamp ("start_date",
&start_date),
GNUNET_PQ_result_spec_timestamp ("end_date",
&end_date),
TALER_PQ_RESULT_SPEC_AMOUNT ("history_fee",
&fees.history),
TALER_PQ_RESULT_SPEC_AMOUNT ("account_fee",
&fees.account),
TALER_PQ_RESULT_SPEC_AMOUNT ("purse_fee",
&fees.purse),
GNUNET_PQ_result_spec_relative_time ("purse_timeout",
&purse_timeout),
GNUNET_PQ_result_spec_relative_time ("history_expiration",
&history_expiration),
GNUNET_PQ_result_spec_uint32 ("purse_account_limit",
&purse_account_limit),
GNUNET_PQ_result_spec_auto_from_type ("master_sig",
&master_sig),
GNUNET_PQ_result_spec_end
};
if (GNUNET_OK !=
GNUNET_PQ_extract_result (result,
rs,
i))
{
GNUNET_break (0);
gctx->status = GNUNET_SYSERR;
break;
}
gctx->cb (gctx->cb_cls,
&fees,
purse_timeout,
history_expiration,
purse_account_limit,
start_date,
end_date,
&master_sig);
GNUNET_PQ_cleanup_result (rs);
}
}
enum GNUNET_DB_QueryStatus
TEH_PG_get_global_fees (void *cls,
TALER_EXCHANGEDB_GlobalFeeCallback cb,
void *cb_cls)
{
struct PostgresClosure *pg = cls;
struct GNUNET_TIME_Timestamp date
= GNUNET_TIME_absolute_to_timestamp (
GNUNET_TIME_absolute_subtract (
GNUNET_TIME_absolute_get (),
GNUNET_TIME_UNIT_YEARS));
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_timestamp (&date),
GNUNET_PQ_query_param_end
};
struct GlobalFeeContext gctx = {
.cb = cb,
.cb_cls = cb_cls,
.pg = pg,
.status = GNUNET_OK
};
/* Used in #postgres_get_global_fees() */
PREPARE (pg,
"get_global_fees",
"SELECT "
" start_date"
",end_date"
",history_fee_val"
",history_fee_frac"
",account_fee_val"
",account_fee_frac"
",purse_fee_val"
",purse_fee_frac"
",purse_timeout"
",history_expiration"
",purse_account_limit"
",master_sig"
" FROM global_fee"
" WHERE start_date >= $1");
return GNUNET_PQ_eval_prepared_multi_select (pg->conn,
"get_global_fees",
params,
&global_fees_cb,
&gctx);
}

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/*
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_get_global_fees.h
* @brief implementation of the get_global_fees function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_GET_GLOBAL_FEES_H
#define PG_GET_GLOBAL_FEES_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Obtain global fees from database.
*
* @param cls closure
* @param cb function to call on each fee entry
* @param cb_cls closure for @a cb
* @return status of the transaction
*/
enum GNUNET_DB_QueryStatus
TEH_PG_get_global_fees (void *cls,
TALER_EXCHANGEDB_GlobalFeeCallback cb,
void *cb_cls);
#endif

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/*
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_get_known_coin.c
* @brief Implementation of the get_known_coin 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_get_known_coin.h"
#include "pg_helper.h"
enum GNUNET_DB_QueryStatus
TEH_PG_get_known_coin (void *cls,
const struct TALER_CoinSpendPublicKeyP *coin_pub,
struct TALER_CoinPublicInfo *coin_info)
{
struct PostgresClosure *pg = cls;
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_auto_from_type (coin_pub),
GNUNET_PQ_query_param_end
};
struct GNUNET_PQ_ResultSpec rs[] = {
GNUNET_PQ_result_spec_auto_from_type ("denom_pub_hash",
&coin_info->denom_pub_hash),
GNUNET_PQ_result_spec_allow_null (
GNUNET_PQ_result_spec_auto_from_type ("age_commitment_hash",
&coin_info->h_age_commitment),
&coin_info->no_age_commitment),
TALER_PQ_result_spec_denom_sig ("denom_sig",
&coin_info->denom_sig),
GNUNET_PQ_result_spec_end
};
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Getting known coin data for coin %s\n",
TALER_B2S (coin_pub));
coin_info->coin_pub = *coin_pub;
/* Used in #postgres_get_known_coin() to fetch
the denomination public key and signature for
a coin known to the exchange. */
PREPARE (pg,
"get_known_coin",
"SELECT"
" denominations.denom_pub_hash"
",age_commitment_hash"
",denom_sig"
" FROM known_coins"
" JOIN denominations USING (denominations_serial)"
" WHERE coin_pub=$1;");
return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
"get_known_coin",
params,
rs);
}

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/*
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_get_known_coin.h
* @brief implementation of the get_known_coin function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_GET_KNOWN_COIN_H
#define PG_GET_KNOWN_COIN_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Retrieve the record for a known coin.
*
* @param cls the plugin closure
* @param coin_pub the public key of the coin to search for
* @param coin_info place holder for the returned coin information object
* @return transaction status code
*/
enum GNUNET_DB_QueryStatus
TEH_PG_get_known_coin (void *cls,
const struct TALER_CoinSpendPublicKeyP *coin_pub,
struct TALER_CoinPublicInfo *coin_info);
#endif

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/*
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_get_melt.c
* @brief Implementation of the get_melt 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_get_melt.h"
#include "pg_helper.h"
enum GNUNET_DB_QueryStatus
TEH_PG_get_melt (void *cls,
const struct TALER_RefreshCommitmentP *rc,
struct TALER_EXCHANGEDB_Melt *melt,
uint64_t *melt_serial_id)
{
struct PostgresClosure *pg = cls;
bool h_age_commitment_is_null;
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_auto_from_type (rc),
GNUNET_PQ_query_param_end
};
struct GNUNET_PQ_ResultSpec rs[] = {
GNUNET_PQ_result_spec_auto_from_type ("denom_pub_hash",
&melt->session.coin.
denom_pub_hash),
TALER_PQ_RESULT_SPEC_AMOUNT ("fee_refresh",
&melt->melt_fee),
GNUNET_PQ_result_spec_uint32 ("noreveal_index",
&melt->session.noreveal_index),
GNUNET_PQ_result_spec_auto_from_type ("old_coin_pub",
&melt->session.coin.coin_pub),
GNUNET_PQ_result_spec_auto_from_type ("old_coin_sig",
&melt->session.coin_sig),
GNUNET_PQ_result_spec_allow_null (
GNUNET_PQ_result_spec_auto_from_type ("age_commitment_hash",
&melt->session.coin.h_age_commitment),
&h_age_commitment_is_null),
TALER_PQ_RESULT_SPEC_AMOUNT ("amount_with_fee",
&melt->session.amount_with_fee),
GNUNET_PQ_result_spec_uint64 ("melt_serial_id",
melt_serial_id),
GNUNET_PQ_result_spec_end
};
enum GNUNET_DB_QueryStatus qs;
memset (&melt->session.coin.denom_sig,
0,
sizeof (melt->session.coin.denom_sig));
/* Used in #postgres_get_melt() to fetch
high-level information about a melt operation */
PREPARE (pg,
"get_melt",
/* "SELECT"
" denoms.denom_pub_hash"
",denoms.fee_refresh_val"
",denoms.fee_refresh_frac"
",old_coin_pub"
",old_coin_sig"
",kc.age_commitment_hash"
",amount_with_fee_val"
",amount_with_fee_frac"
",noreveal_index"
",melt_serial_id"
" FROM refresh_commitments"
" JOIN known_coins kc"
" ON (old_coin_pub = kc.coin_pub)"
" JOIN denominations denoms"
" ON (kc.denominations_serial = denoms.denominations_serial)"
" WHERE rc=$1;", */
"WITH rc AS MATERIALIZED ( "
" SELECT"
" * FROM refresh_commitments"
" WHERE rc=$1"
")"
"SELECT"
" denoms.denom_pub_hash"
",denoms.fee_refresh_val"
",denoms.fee_refresh_frac"
",rc.old_coin_pub"
",rc.old_coin_sig"
",kc.age_commitment_hash"
",amount_with_fee_val"
",amount_with_fee_frac"
",noreveal_index"
",melt_serial_id "
"FROM ("
" SELECT"
" * "
" FROM known_coins"
" WHERE coin_pub=(SELECT old_coin_pub from rc)"
") kc "
"JOIN rc"
" ON (kc.coin_pub=rc.old_coin_pub) "
"JOIN denominations denoms"
" USING (denominations_serial);");
qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
"get_melt",
params,
rs);
if (h_age_commitment_is_null)
memset (&melt->session.coin.h_age_commitment,
0,
sizeof(melt->session.coin.h_age_commitment));
melt->session.rc = *rc;
return qs;
}

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/*
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_get_melt.h
* @brief implementation of the get_melt function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_GET_MELT_H
#define PG_GET_MELT_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Lookup refresh melt commitment data under the given @a rc.
*
* @param cls the `struct PostgresClosure` with the plugin-specific state
* @param rc commitment hash to use to locate the operation
* @param[out] melt where to store the result; note that
* melt->session.coin.denom_sig will be set to NULL
* and is not fetched by this routine (as it is not needed by the client)
* @param[out] melt_serial_id set to the row ID of @a rc in the refresh_commitments table
* @return transaction status
*/
enum GNUNET_DB_QueryStatus
TEH_PG_get_melt (void *cls,
const struct TALER_RefreshCommitmentP *rc,
struct TALER_EXCHANGEDB_Melt *melt,
uint64_t *melt_serial_id);
#endif

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/*
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_get_old_coin_by_h_blind.c
* @brief Implementation of the get_old_coin_by_h_blind 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_get_old_coin_by_h_blind.h"
#include "pg_helper.h"
enum GNUNET_DB_QueryStatus
TEH_PG_get_old_coin_by_h_blind (
void *cls,
const struct TALER_BlindedCoinHashP *h_blind_ev,
struct TALER_CoinSpendPublicKeyP *old_coin_pub,
uint64_t *rrc_serial)
{
struct PostgresClosure *pg = cls;
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_auto_from_type (h_blind_ev),
GNUNET_PQ_query_param_end
};
struct GNUNET_PQ_ResultSpec rs[] = {
GNUNET_PQ_result_spec_auto_from_type ("old_coin_pub",
old_coin_pub),
GNUNET_PQ_result_spec_uint64 ("rrc_serial",
rrc_serial),
GNUNET_PQ_result_spec_end
};
/* Used in #postgres_get_old_coin_by_h_blind() */
PREPARE (pg,
"old_coin_by_h_blind",
"SELECT"
" okc.coin_pub AS old_coin_pub"
",rrc_serial"
" FROM refresh_revealed_coins rrc"
" JOIN refresh_commitments rcom USING (melt_serial_id)"
" JOIN known_coins okc ON (rcom.old_coin_pub = okc.coin_pub)"
" WHERE h_coin_ev=$1"
" LIMIT 1;");
return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
"old_coin_by_h_blind",
params,
rs);
}

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/*
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_get_old_coin_by_h_blind.h
* @brief implementation of the get_old_coin_by_h_blind function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_GET_OLD_COIN_BY_H_BLIND_H
#define PG_GET_OLD_COIN_BY_H_BLIND_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Obtain information about which old coin a coin was refreshed
* given the hash of the blinded (fresh) coin.
*
* @param cls closure
* @param h_blind_ev hash of the blinded coin
* @param[out] old_coin_pub set to information about the old coin (on success only)
* @param[out] rrc_serial set to serial number of the entry in the database
* @return transaction status code
*/
enum GNUNET_DB_QueryStatus
TEH_PG_get_old_coin_by_h_blind (
void *cls,
const struct TALER_BlindedCoinHashP *h_blind_ev,
struct TALER_CoinSpendPublicKeyP *old_coin_pub,
uint64_t *rrc_serial);
#endif

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/*
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_get_policy_details.c
* @brief Implementation of the get_policy_details 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_get_policy_details.h"
#include "pg_helper.h"
enum GNUNET_DB_QueryStatus
TEH_PG_get_policy_details (
void *cls,
const struct GNUNET_HashCode *hc,
struct TALER_PolicyDetails *details)
{
struct PostgresClosure *pg = cls;
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_auto_from_type (hc),
GNUNET_PQ_query_param_end
};
struct GNUNET_PQ_ResultSpec rs[] = {
GNUNET_PQ_result_spec_timestamp ("deadline",
&details->deadline),
TALER_PQ_RESULT_SPEC_AMOUNT ("commitment",
&details->commitment),
TALER_PQ_RESULT_SPEC_AMOUNT ("accumulated_total",
&details->accumulated_total),
TALER_PQ_RESULT_SPEC_AMOUNT ("policy_fee",
&details->policy_fee),
TALER_PQ_RESULT_SPEC_AMOUNT ("transferable_amount",
&details->transferable_amount),
GNUNET_PQ_result_spec_auto_from_type ("state",
&details->fulfillment_state),
GNUNET_PQ_result_spec_allow_null (
GNUNET_PQ_result_spec_uint64 ("policy_fulfillment_id",
&details->policy_fulfillment_id),
&details->no_policy_fulfillment_id),
GNUNET_PQ_result_spec_end
};
return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
"get_policy_details",
params,
rs);
}

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/*
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_get_policy_details.h
* @brief implementation of the get_policy_details function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_GET_POLICY_DETAILS_H
#define PG_GET_POLICY_DETAILS_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/* Get the details of a policy, referenced by its hash code
*
* @param cls the `struct PostgresClosure` with the plugin-specific state
* @param hc The hash code under which the details to a particular policy should be found
* @param[out] details The found details
* @return query execution status
* */
enum GNUNET_DB_QueryStatus
TEH_PG_get_policy_details (
void *cls,
const struct GNUNET_HashCode *hc,
struct TALER_PolicyDetails *details);
#endif

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/*
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_get_ready_deposit.c
* @brief Implementation of the get_ready_deposit 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_get_ready_deposit.h"
#include "pg_helper.h"
enum GNUNET_DB_QueryStatus
TEH_PG_get_ready_deposit (void *cls,
uint64_t start_shard_row,
uint64_t end_shard_row,
struct TALER_MerchantPublicKeyP *merchant_pub,
char **payto_uri)
{
struct PostgresClosure *pg = cls;
struct GNUNET_TIME_Absolute now = {0};
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_absolute_time (&now),
GNUNET_PQ_query_param_uint64 (&start_shard_row),
GNUNET_PQ_query_param_uint64 (&end_shard_row),
GNUNET_PQ_query_param_end
};
struct GNUNET_PQ_ResultSpec rs[] = {
GNUNET_PQ_result_spec_auto_from_type ("merchant_pub",
merchant_pub),
GNUNET_PQ_result_spec_string ("payto_uri",
payto_uri),
GNUNET_PQ_result_spec_end
};
now = GNUNET_TIME_absolute_round_down (GNUNET_TIME_absolute_get (),
pg->aggregator_shift);
GNUNET_assert (start_shard_row < end_shard_row);
GNUNET_assert (end_shard_row <= INT32_MAX);
GNUNET_log (GNUNET_ERROR_TYPE_INFO,
"Finding ready deposits by deadline %s (%llu)\n",
GNUNET_TIME_absolute2s (now),
(unsigned long long) now.abs_value_us);
/* Used in #postgres_get_ready_deposit() */
PREPARE (pg,
"deposits_get_ready",
"SELECT"
" payto_uri"
",merchant_pub"
" FROM deposits_by_ready dbr"
" JOIN deposits dep"
" ON (dbr.coin_pub = dep.coin_pub AND"
" dbr.deposit_serial_id = dep.deposit_serial_id)"
" JOIN wire_targets wt"
" USING (wire_target_h_payto)"
" WHERE dbr.wire_deadline<=$1"
" AND dbr.shard >= $2"
" AND dbr.shard <= $3"
" ORDER BY "
" dbr.wire_deadline ASC"
" ,dbr.shard ASC"
" LIMIT 1;");
return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
"deposits_get_ready",
params,
rs);
}

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/*
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_get_ready_deposit.h
* @brief implementation of the get_ready_deposit function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_GET_READY_DEPOSIT_H
#define PG_GET_READY_DEPOSIT_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Obtain information about deposits that are ready to be executed. Such
* deposits must not be marked as "done", the execution time must be
* in the past, and the KYC status must be 'ok'.
*
* @param cls the @e cls of this struct with the plugin-specific state
* @param start_shard_row minimum shard row to select
* @param end_shard_row maximum shard row to select (inclusive)
* @param[out] merchant_pub set to the public key of a merchant with a ready deposit
* @param[out] payto_uri set to the account of the merchant, to be freed by caller
* @return transaction status code
*/
enum GNUNET_DB_QueryStatus
TEH_PG_get_ready_deposit (void *cls,
uint64_t start_shard_row,
uint64_t end_shard_row,
struct TALER_MerchantPublicKeyP *merchant_pub,
char **payto_uri);
#endif

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/*
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_get_refresh_reveal.c
* @brief Implementation of the get_refresh_reveal 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_get_refresh_reveal.h"
#include "pg_helper.h"
/**
* Context where we aggregate data from the database.
* Closure for #add_revealed_coins().
*/
struct GetRevealContext
{
/**
* Array of revealed coins we obtained from the DB.
*/
struct TALER_EXCHANGEDB_RefreshRevealedCoin *rrcs;
/**
* Length of the @a rrcs array.
*/
unsigned int rrcs_len;
/**
* Set to an error code if we ran into trouble.
*/
enum GNUNET_DB_QueryStatus qs;
};
/**
* Function to be called with the results of a SELECT statement
* that has returned @a num_results results.
*
* @param cls closure of type `struct GetRevealContext`
* @param result the postgres result
* @param num_results the number of results in @a result
*/
static void
add_revealed_coins (void *cls,
PGresult *result,
unsigned int num_results)
{
struct GetRevealContext *grctx = cls;
if (0 == num_results)
return;
grctx->rrcs = GNUNET_new_array (num_results,
struct TALER_EXCHANGEDB_RefreshRevealedCoin);
grctx->rrcs_len = num_results;
for (unsigned int i = 0; i < num_results; i++)
{
uint32_t off;
struct GNUNET_PQ_ResultSpec rso[] = {
GNUNET_PQ_result_spec_uint32 ("freshcoin_index",
&off),
GNUNET_PQ_result_spec_end
};
if (GNUNET_OK !=
GNUNET_PQ_extract_result (result,
rso,
i))
{
GNUNET_break (0);
grctx->qs = GNUNET_DB_STATUS_HARD_ERROR;
return;
}
if (off >= num_results)
{
GNUNET_break (0);
grctx->qs = GNUNET_DB_STATUS_HARD_ERROR;
return;
}
{
struct TALER_EXCHANGEDB_RefreshRevealedCoin *rrc = &grctx->rrcs[off];
struct GNUNET_PQ_ResultSpec rsi[] = {
/* NOTE: freshcoin_index selected and discarded here... */
GNUNET_PQ_result_spec_auto_from_type ("denom_pub_hash",
&rrc->h_denom_pub),
GNUNET_PQ_result_spec_auto_from_type ("link_sig",
&rrc->orig_coin_link_sig),
GNUNET_PQ_result_spec_auto_from_type ("h_coin_ev",
&rrc->coin_envelope_hash),
TALER_PQ_result_spec_blinded_planchet ("coin_ev",
&rrc->blinded_planchet),
TALER_PQ_result_spec_exchange_withdraw_values ("ewv",
&rrc->exchange_vals),
TALER_PQ_result_spec_blinded_denom_sig ("ev_sig",
&rrc->coin_sig),
GNUNET_PQ_result_spec_end
};
if (TALER_DENOMINATION_INVALID != rrc->blinded_planchet.cipher)
{
/* duplicate offset, not allowed */
GNUNET_break (0);
grctx->qs = GNUNET_DB_STATUS_HARD_ERROR;
return;
}
if (GNUNET_OK !=
GNUNET_PQ_extract_result (result,
rsi,
i))
{
GNUNET_break (0);
grctx->qs = GNUNET_DB_STATUS_HARD_ERROR;
return;
}
}
}
}
enum GNUNET_DB_QueryStatus
TEH_PG_get_refresh_reveal (void *cls,
const struct TALER_RefreshCommitmentP *rc,
TALER_EXCHANGEDB_RefreshCallback cb,
void *cb_cls)
{
struct PostgresClosure *pg = cls;
struct GetRevealContext grctx;
enum GNUNET_DB_QueryStatus qs;
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_auto_from_type (rc),
GNUNET_PQ_query_param_end
};
memset (&grctx,
0,
sizeof (grctx));
/* Obtain information about the coins created in a refresh
operation, used in #postgres_get_refresh_reveal() */
PREPARE (pg,
"get_refresh_revealed_coins",
"SELECT "
" rrc.freshcoin_index"
",denom.denom_pub_hash"
",rrc.h_coin_ev"
",rrc.link_sig"
",rrc.coin_ev"
",rrc.ewv"
",rrc.ev_sig"
" FROM refresh_commitments"
" JOIN refresh_revealed_coins rrc"
" USING (melt_serial_id)"
" JOIN denominations denom "
" USING (denominations_serial)"
" WHERE rc=$1;");
qs = GNUNET_PQ_eval_prepared_multi_select (pg->conn,
"get_refresh_revealed_coins",
params,
&add_revealed_coins,
&grctx);
switch (qs)
{
case GNUNET_DB_STATUS_HARD_ERROR:
case GNUNET_DB_STATUS_SOFT_ERROR:
case GNUNET_DB_STATUS_SUCCESS_NO_RESULTS:
goto cleanup;
case GNUNET_DB_STATUS_SUCCESS_ONE_RESULT:
default: /* can have more than one result */
break;
}
switch (grctx.qs)
{
case GNUNET_DB_STATUS_HARD_ERROR:
case GNUNET_DB_STATUS_SOFT_ERROR:
goto cleanup;
case GNUNET_DB_STATUS_SUCCESS_NO_RESULTS:
case GNUNET_DB_STATUS_SUCCESS_ONE_RESULT: /* should be impossible */
break;
}
/* Pass result back to application */
cb (cb_cls,
grctx.rrcs_len,
grctx.rrcs);
cleanup:
for (unsigned int i = 0; i < grctx.rrcs_len; i++)
{
struct TALER_EXCHANGEDB_RefreshRevealedCoin *rrc = &grctx.rrcs[i];
TALER_blinded_denom_sig_free (&rrc->coin_sig);
TALER_blinded_planchet_free (&rrc->blinded_planchet);
}
GNUNET_free (grctx.rrcs);
return qs;
}

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/*
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_get_refresh_reveal.h
* @brief implementation of the get_refresh_reveal function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_GET_REFRESH_REVEAL_H
#define PG_GET_REFRESH_REVEAL_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Lookup in the database the coins that we want to
* create in the given refresh operation.
*
* @param cls the `struct PostgresClosure` with the plugin-specific state
* @param rc identify commitment and thus refresh operation
* @param cb function to call with the results
* @param cb_cls closure for @a cb
* @return transaction status
*/
enum GNUNET_DB_QueryStatus
TEH_PG_get_refresh_reveal (void *cls,
const struct TALER_RefreshCommitmentP *rc,
TALER_EXCHANGEDB_RefreshCallback cb,
void *cb_cls);
#endif

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/*
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_get_reserve_balance.c
* @brief Implementation of the get_reserve_balance 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_get_reserve_balance.h"
#include "pg_helper.h"
enum GNUNET_DB_QueryStatus
TEH_PG_get_reserve_balance (void *cls,
const struct TALER_ReservePublicKeyP *reserve_pub,
struct TALER_Amount *balance)
{
struct PostgresClosure *pg = cls;
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_auto_from_type (reserve_pub),
GNUNET_PQ_query_param_end
};
struct GNUNET_PQ_ResultSpec rs[] = {
TALER_PQ_RESULT_SPEC_AMOUNT ("current_balance",
balance),
GNUNET_PQ_result_spec_end
};
PREPARE (pg,
"get_reserve_balance",
"SELECT"
" current_balance_val"
",current_balance_frac"
" FROM reserves"
" WHERE reserve_pub=$1;");
return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
"get_reserve_balance",
params,
rs);
}

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/*
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_get_reserve_balance.h
* @brief implementation of the get_reserve_balance function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_GET_RESERVE_BALANCE_H
#define PG_GET_RESERVE_BALANCE_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Get the balance of the specified reserve.
*
* @param cls the `struct PostgresClosure` with the plugin-specific state
* @param reserve_pub public key of the reserve
* @param[out] balance set to the reserve balance
* @return transaction status
*/
enum GNUNET_DB_QueryStatus
TEH_PG_get_reserve_balance (void *cls,
const struct TALER_ReservePublicKeyP *reserve_pub,
struct TALER_Amount *balance);
#endif

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/*
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_get_reserve_by_h_blind.c
* @brief Implementation of the get_reserve_by_h_blind 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_get_reserve_by_h_blind.h"
#include "pg_helper.h"
enum GNUNET_DB_QueryStatus
TEH_PG_get_reserve_by_h_blind (
void *cls,
const struct TALER_BlindedCoinHashP *bch,
struct TALER_ReservePublicKeyP *reserve_pub,
uint64_t *reserve_out_serial_id)
{
struct PostgresClosure *pg = cls;
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_auto_from_type (bch),
GNUNET_PQ_query_param_end
};
struct GNUNET_PQ_ResultSpec rs[] = {
GNUNET_PQ_result_spec_auto_from_type ("reserve_pub",
reserve_pub),
GNUNET_PQ_result_spec_uint64 ("reserve_out_serial_id",
reserve_out_serial_id),
GNUNET_PQ_result_spec_end
};
/* Used in #postgres_get_reserve_by_h_blind() */
PREPARE (pg,
"reserve_by_h_blind",
"SELECT"
" reserves.reserve_pub"
",reserve_out_serial_id"
" FROM reserves_out"
" JOIN reserves"
" USING (reserve_uuid)"
" WHERE h_blind_ev=$1"
" LIMIT 1;");
return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
"reserve_by_h_blind",
params,
rs);
}

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/*
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_get_reserve_by_h_blind.h
* @brief implementation of the get_reserve_by_h_blind function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_GET_RESERVE_BY_H_BLIND_H
#define PG_GET_RESERVE_BY_H_BLIND_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Obtain information about which reserve a coin was generated
* from given the hash of the blinded coin.
*
* @param cls closure
* @param bch hash that uniquely identifies the withdraw request
* @param[out] reserve_pub set to information about the reserve (on success only)
* @param[out] reserve_out_serial_id set to row of the @a h_blind_ev in reserves_out
* @return transaction status code
*/
enum GNUNET_DB_QueryStatus
TEH_PG_get_reserve_by_h_blind (
void *cls,
const struct TALER_BlindedCoinHashP *bch,
struct TALER_ReservePublicKeyP *reserve_pub,
uint64_t *reserve_out_serial_id);
#endif

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/*
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_get_wire_accounts.c
* @brief Implementation of the get_wire_accounts 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_get_wire_accounts.h"
#include "pg_helper.h"
/**
* Closure for #get_wire_accounts_cb().
*/
struct GetWireAccountsContext
{
/**
* Function to call per result.
*/
TALER_EXCHANGEDB_WireAccountCallback cb;
/**
* Closure for @e cb.
*/
void *cb_cls;
/**
* Flag set to #GNUNET_OK as long as everything is fine.
*/
enum GNUNET_GenericReturnValue status;
};
/**
* Invoke the callback for each result.
*
* @param cls a `struct MissingWireContext *`
* @param result SQL result
* @param num_results number of rows in @a result
*/
static void
get_wire_accounts_cb (void *cls,
PGresult *result,
unsigned int num_results)
{
struct GetWireAccountsContext *ctx = cls;
for (unsigned int i = 0; i < num_results; i++)
{
char *payto_uri;
struct TALER_MasterSignatureP master_sig;
struct GNUNET_PQ_ResultSpec rs[] = {
GNUNET_PQ_result_spec_string ("payto_uri",
&payto_uri),
GNUNET_PQ_result_spec_auto_from_type ("master_sig",
&master_sig),
GNUNET_PQ_result_spec_end
};
if (GNUNET_OK !=
GNUNET_PQ_extract_result (result,
rs,
i))
{
GNUNET_break (0);
ctx->status = GNUNET_SYSERR;
return;
}
ctx->cb (ctx->cb_cls,
payto_uri,
&master_sig);
GNUNET_PQ_cleanup_result (rs);
}
}
enum GNUNET_DB_QueryStatus
TEH_PG_get_wire_accounts (void *cls,
TALER_EXCHANGEDB_WireAccountCallback cb,
void *cb_cls)
{
struct PostgresClosure *pg = cls;
struct GetWireAccountsContext ctx = {
.cb = cb,
.cb_cls = cb_cls,
.status = GNUNET_OK
};
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_end
};
enum GNUNET_DB_QueryStatus qs;
PREPARE (pg,
"get_wire_accounts",
"SELECT"
" payto_uri"
",master_sig"
" FROM wire_accounts"
" WHERE is_active");
qs = GNUNET_PQ_eval_prepared_multi_select (pg->conn,
"get_wire_accounts",
params,
&get_wire_accounts_cb,
&ctx);
if (GNUNET_OK != ctx.status)
return GNUNET_DB_STATUS_HARD_ERROR;
return qs;
}

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/*
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_get_wire_accounts.h
* @brief implementation of the get_wire_accounts function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_GET_WIRE_ACCOUNTS_H
#define PG_GET_WIRE_ACCOUNTS_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Obtain information about the enabled wire accounts of the exchange.
*
* @param cls closure
* @param cb function to call on each account
* @param cb_cls closure for @a cb
* @return transaction status code
*/
enum GNUNET_DB_QueryStatus
TEH_PG_get_wire_accounts (void *cls,
TALER_EXCHANGEDB_WireAccountCallback cb,
void *cb_cls);
#endif

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/*
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_get_wire_fee.c
* @brief Implementation of the get_wire_fee 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_get_wire_fee.h"
#include "pg_helper.h"
enum GNUNET_DB_QueryStatus
TEH_PG_get_wire_fee (void *cls,
const char *type,
struct GNUNET_TIME_Timestamp date,
struct GNUNET_TIME_Timestamp *start_date,
struct GNUNET_TIME_Timestamp *end_date,
struct TALER_WireFeeSet *fees,
struct TALER_MasterSignatureP *master_sig)
{
struct PostgresClosure *pg = cls;
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_string (type),
GNUNET_PQ_query_param_timestamp (&date),
GNUNET_PQ_query_param_end
};
struct GNUNET_PQ_ResultSpec rs[] = {
GNUNET_PQ_result_spec_timestamp ("start_date",
start_date),
GNUNET_PQ_result_spec_timestamp ("end_date",
end_date),
TALER_PQ_RESULT_SPEC_AMOUNT ("wire_fee",
&fees->wire),
TALER_PQ_RESULT_SPEC_AMOUNT ("closing_fee",
&fees->closing),
GNUNET_PQ_result_spec_auto_from_type ("master_sig",
master_sig),
GNUNET_PQ_result_spec_end
};
/* Used in #postgres_get_wire_fee() */
PREPARE(pg,
"get_wire_fee",
"SELECT "
" start_date"
",end_date"
",wire_fee_val"
",wire_fee_frac"
",closing_fee_val"
",closing_fee_frac"
",master_sig"
" FROM wire_fee"
" WHERE wire_method=$1"
" AND start_date <= $2"
" AND end_date > $2;");
return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
"get_wire_fee",
params,
rs);
}

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/*
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_get_wire_fee.h
* @brief implementation of the get_wire_fee function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_GET_WIRE_FEE_H
#define PG_GET_WIRE_FEE_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Obtain wire fee from database.
*
* @param cls closure
* @param type type of wire transfer the fee applies for
* @param date for which date do we want the fee?
* @param[out] start_date when does the fee go into effect
* @param[out] end_date when does the fee end being valid
* @param[out] fees how high are the wire fees
* @param[out] master_sig signature over the above by the exchange master key
* @return status of the transaction
*/
enum GNUNET_DB_QueryStatus
TEH_PG_get_wire_fee (void *cls,
const char *type,
struct GNUNET_TIME_Timestamp date,
struct GNUNET_TIME_Timestamp *start_date,
struct GNUNET_TIME_Timestamp *end_date,
struct TALER_WireFeeSet *fees,
struct TALER_MasterSignatureP *master_sig);
#endif

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/*
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_get_wire_fees.c
* @brief Implementation of the get_wire_fees 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_get_wire_fees.h"
#include "pg_helper.h"
/**
* Closure for #get_wire_fees_cb().
*/
struct GetWireFeesContext
{
/**
* Function to call per result.
*/
TALER_EXCHANGEDB_WireFeeCallback cb;
/**
* Closure for @e cb.
*/
void *cb_cls;
/**
* Plugin context.
*/
struct PostgresClosure *pg;
/**
* Flag set to #GNUNET_OK as long as everything is fine.
*/
enum GNUNET_GenericReturnValue status;
};
/**
* Invoke the callback for each result.
*
* @param cls a `struct GetWireFeesContext *`
* @param result SQL result
* @param num_results number of rows in @a result
*/
static void
get_wire_fees_cb (void *cls,
PGresult *result,
unsigned int num_results)
{
struct GetWireFeesContext *ctx = cls;
struct PostgresClosure *pg = ctx->pg;
for (unsigned int i = 0; i < num_results; i++)
{
struct TALER_MasterSignatureP master_sig;
struct TALER_WireFeeSet fees;
struct GNUNET_TIME_Timestamp start_date;
struct GNUNET_TIME_Timestamp end_date;
struct GNUNET_PQ_ResultSpec rs[] = {
TALER_PQ_RESULT_SPEC_AMOUNT ("wire_fee",
&fees.wire),
TALER_PQ_RESULT_SPEC_AMOUNT ("closing_fee",
&fees.closing),
GNUNET_PQ_result_spec_timestamp ("start_date",
&start_date),
GNUNET_PQ_result_spec_timestamp ("end_date",
&end_date),
GNUNET_PQ_result_spec_auto_from_type ("master_sig",
&master_sig),
GNUNET_PQ_result_spec_end
};
if (GNUNET_OK !=
GNUNET_PQ_extract_result (result,
rs,
i))
{
GNUNET_break (0);
ctx->status = GNUNET_SYSERR;
return;
}
ctx->cb (ctx->cb_cls,
&fees,
start_date,
end_date,
&master_sig);
GNUNET_PQ_cleanup_result (rs);
}
}
enum GNUNET_DB_QueryStatus
TEH_PG_get_wire_fees (void *cls,
const char *wire_method,
TALER_EXCHANGEDB_WireFeeCallback cb,
void *cb_cls)
{
struct PostgresClosure *pg = cls;
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_string (wire_method),
GNUNET_PQ_query_param_end
};
struct GetWireFeesContext ctx = {
.cb = cb,
.cb_cls = cb_cls,
.pg = pg,
.status = GNUNET_OK
};
enum GNUNET_DB_QueryStatus qs;
PREPARE (pg,
"get_wire_fees",
"SELECT"
" wire_fee_val"
",wire_fee_frac"
",closing_fee_val"
",closing_fee_frac"
",start_date"
",end_date"
",master_sig"
" FROM wire_fee"
" WHERE wire_method=$1");
qs = GNUNET_PQ_eval_prepared_multi_select (pg->conn,
"get_wire_fees",
params,
&get_wire_fees_cb,
&ctx);
if (GNUNET_OK != ctx.status)
return GNUNET_DB_STATUS_HARD_ERROR;
return qs;
}

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/*
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_get_wire_fees.h
* @brief implementation of the get_wire_fees function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_GET_WIRE_FEES_H
#define PG_GET_WIRE_FEES_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Obtain information about the fee structure of the exchange for
* a given @a wire_method
*
* @param cls closure
* @param wire_method which wire method to obtain fees for
* @param cb function to call on each account
* @param cb_cls closure for @a cb
* @return transaction status code
*/
enum GNUNET_DB_QueryStatus
TEH_PG_get_wire_fees (void *cls,
const char *wire_method,
TALER_EXCHANGEDB_WireFeeCallback cb,
void *cb_cls);
#endif

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/*
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_get_withdraw_info.c
* @brief Implementation of the get_withdraw_info 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_get_withdraw_info.h"
#include "pg_helper.h"
enum GNUNET_DB_QueryStatus
TEH_PG_get_withdraw_info (
void *cls,
const struct TALER_BlindedCoinHashP *bch,
struct TALER_EXCHANGEDB_CollectableBlindcoin *collectable)
{
struct PostgresClosure *pg = cls;
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_auto_from_type (bch),
GNUNET_PQ_query_param_end
};
struct GNUNET_PQ_ResultSpec rs[] = {
GNUNET_PQ_result_spec_auto_from_type ("denom_pub_hash",
&collectable->denom_pub_hash),
TALER_PQ_result_spec_blinded_denom_sig ("denom_sig",
&collectable->sig),
GNUNET_PQ_result_spec_auto_from_type ("reserve_sig",
&collectable->reserve_sig),
GNUNET_PQ_result_spec_auto_from_type ("reserve_pub",
&collectable->reserve_pub),
GNUNET_PQ_result_spec_auto_from_type ("h_blind_ev",
&collectable->h_coin_envelope),
TALER_PQ_RESULT_SPEC_AMOUNT ("amount_with_fee",
&collectable->amount_with_fee),
TALER_PQ_RESULT_SPEC_AMOUNT ("fee_withdraw",
&collectable->withdraw_fee),
GNUNET_PQ_result_spec_end
};
/* Used in #postgres_get_withdraw_info() to
locate the response for a /reserve/withdraw request
using the hash of the blinded message. Used to
make sure /reserve/withdraw requests are idempotent. */
PREPARE (pg,
"get_withdraw_info",
"SELECT"
" denom.denom_pub_hash"
",denom_sig"
",reserve_sig"
",reserves.reserve_pub"
",execution_date"
",h_blind_ev"
",amount_with_fee_val"
",amount_with_fee_frac"
",denom.fee_withdraw_val"
",denom.fee_withdraw_frac"
" FROM reserves_out"
" JOIN reserves"
" USING (reserve_uuid)"
" JOIN denominations denom"
" USING (denominations_serial)"
" WHERE h_blind_ev=$1;");
return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
"get_withdraw_info",
params,
rs);
}

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/*
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_get_withdraw_info.h
* @brief implementation of the get_withdraw_info function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_GET_WITHDRAW_INFO_H
#define PG_GET_WITHDRAW_INFO_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Locate the response for a /reserve/withdraw request under the
* key of the hash of the blinded message.
*
* @param cls the `struct PostgresClosure` with the plugin-specific state
* @param bch hash that uniquely identifies the withdraw operation
* @param collectable corresponding collectable coin (blind signature)
* if a coin is found
* @return statement execution status
*/
enum GNUNET_DB_QueryStatus
TEH_PG_get_withdraw_info (
void *cls,
const struct TALER_BlindedCoinHashP *bch,
struct TALER_EXCHANGEDB_CollectableBlindcoin *collectable);
#endif

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/*
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_have_deposit2.c
* @brief Implementation of the have_deposit2 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_have_deposit2.h"
#include "pg_helper.h"
enum GNUNET_DB_QueryStatus
TEH_PG_have_deposit2 (
void *cls,
const struct TALER_PrivateContractHashP *h_contract_terms,
const struct TALER_MerchantWireHashP *h_wire,
const struct TALER_CoinSpendPublicKeyP *coin_pub,
const struct TALER_MerchantPublicKeyP *merchant,
struct GNUNET_TIME_Timestamp refund_deadline,
struct TALER_Amount *deposit_fee,
struct GNUNET_TIME_Timestamp *exchange_timestamp)
{
struct PostgresClosure *pg = cls;
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_auto_from_type (coin_pub),
GNUNET_PQ_query_param_auto_from_type (h_contract_terms),
GNUNET_PQ_query_param_auto_from_type (merchant),
GNUNET_PQ_query_param_end
};
struct TALER_EXCHANGEDB_Deposit deposit2;
struct GNUNET_PQ_ResultSpec rs[] = {
TALER_PQ_RESULT_SPEC_AMOUNT ("amount_with_fee",
&deposit2.amount_with_fee),
GNUNET_PQ_result_spec_timestamp ("wallet_timestamp",
&deposit2.timestamp),
GNUNET_PQ_result_spec_timestamp ("exchange_timestamp",
exchange_timestamp),
GNUNET_PQ_result_spec_timestamp ("refund_deadline",
&deposit2.refund_deadline),
GNUNET_PQ_result_spec_timestamp ("wire_deadline",
&deposit2.wire_deadline),
TALER_PQ_RESULT_SPEC_AMOUNT ("fee_deposit",
deposit_fee),
GNUNET_PQ_result_spec_auto_from_type ("wire_salt",
&deposit2.wire_salt),
GNUNET_PQ_result_spec_string ("receiver_wire_account",
&deposit2.receiver_wire_account),
GNUNET_PQ_result_spec_end
};
enum GNUNET_DB_QueryStatus qs;
struct TALER_MerchantWireHashP h_wire2;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Getting deposits for coin %s\n",
TALER_B2S (coin_pub));
/* Fetch an existing deposit request, used to ensure idempotency
during /deposit processing. Used in #postgres_have_deposit(). */
PREPARE (pg,
"get_deposit",
"SELECT"
" dep.amount_with_fee_val"
",dep.amount_with_fee_frac"
",denominations.fee_deposit_val"
",denominations.fee_deposit_frac"
",dep.wallet_timestamp"
",dep.exchange_timestamp"
",dep.refund_deadline"
",dep.wire_deadline"
",dep.h_contract_terms"
",dep.wire_salt"
",wt.payto_uri AS receiver_wire_account"
" FROM deposits dep"
" JOIN known_coins kc ON (kc.coin_pub = dep.coin_pub)"
" JOIN denominations USING (denominations_serial)"
" JOIN wire_targets wt USING (wire_target_h_payto)"
" WHERE dep.coin_pub=$1"
" AND dep.merchant_pub=$3"
" AND dep.h_contract_terms=$2;");
qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
"get_deposit",
params,
rs);
if (0 >= qs)
return qs;
TALER_merchant_wire_signature_hash (deposit2.receiver_wire_account,
&deposit2.wire_salt,
&h_wire2);
GNUNET_free (deposit2.receiver_wire_account);
/* Now we check that the other information in @a deposit
also matches, and if not report inconsistencies. */
if ( (GNUNET_TIME_timestamp_cmp (refund_deadline,
!=,
deposit2.refund_deadline)) ||
(0 != GNUNET_memcmp (h_wire,
&h_wire2) ) )
{
/* Inconsistencies detected! Does not match! */
return GNUNET_DB_STATUS_SUCCESS_NO_RESULTS;
}
return GNUNET_DB_STATUS_SUCCESS_ONE_RESULT;
}

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/*
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_have_deposit2.h
* @brief implementation of the have_deposit2 function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_HAVE_DEPOSIT2_H
#define PG_HAVE_DEPOSIT2_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Check if we have the specified deposit already in the database.
*
* @param cls the `struct PostgresClosure` with the plugin-specific state
* @param h_contract_terms contract to check for
* @param h_wire wire hash to check for
* @param coin_pub public key of the coin to check for
* @param merchant merchant public key to check for
* @param refund_deadline expected refund deadline
* @param[out] deposit_fee set to the deposit fee the exchange charged
* @param[out] exchange_timestamp set to the time when the exchange received the deposit
* @return 1 if we know this operation,
* 0 if this exact deposit is unknown to us,
* otherwise transaction error status
*/
enum GNUNET_DB_QueryStatus
TEH_PG_have_deposit2 (
void *cls,
const struct TALER_PrivateContractHashP *h_contract_terms,
const struct TALER_MerchantWireHashP *h_wire,
const struct TALER_CoinSpendPublicKeyP *coin_pub,
const struct TALER_MerchantPublicKeyP *merchant,
struct GNUNET_TIME_Timestamp refund_deadline,
struct TALER_Amount *deposit_fee,
struct GNUNET_TIME_Timestamp *exchange_timestamp);
#endif

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/*
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_insert_auditor.c
* @brief Implementation of the insert_auditor 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_insert_auditor.h"
#include "pg_helper.h"
enum GNUNET_DB_QueryStatus
TEH_PG_insert_auditor (void *cls,
const struct TALER_AuditorPublicKeyP *auditor_pub,
const char *auditor_url,
const char *auditor_name,
struct GNUNET_TIME_Timestamp start_date)
{
struct PostgresClosure *pg = cls;
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_auto_from_type (auditor_pub),
GNUNET_PQ_query_param_string (auditor_name),
GNUNET_PQ_query_param_string (auditor_url),
GNUNET_PQ_query_param_timestamp (&start_date),
GNUNET_PQ_query_param_end
};
/* used in #postgres_insert_auditor() */
PREPARE (pg,
"insert_auditor",
"INSERT INTO auditors "
"(auditor_pub"
",auditor_name"
",auditor_url"
",is_active"
",last_change"
") VALUES "
"($1, $2, $3, true, $4);");
return GNUNET_PQ_eval_prepared_non_select (pg->conn,
"insert_auditor",
params);
}

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/*
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_insert_auditor.h
* @brief implementation of the insert_auditor function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_INSERT_AUDITOR_H
#define PG_INSERT_AUDITOR_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Insert information about an auditor that will audit this exchange.
*
* @param cls closure
* @param auditor_pub key of the auditor
* @param auditor_url base URL of the auditor's REST service
* @param auditor_name name of the auditor (for humans)
* @param start_date date when the auditor was added by the offline system
* (only to be used for replay detection)
* @return transaction status code
*/
enum GNUNET_DB_QueryStatus
TEH_PG_insert_auditor (void *cls,
const struct TALER_AuditorPublicKeyP *auditor_pub,
const char *auditor_url,
const char *auditor_name,
struct GNUNET_TIME_Timestamp start_date);
#endif

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/*
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_insert_auditor_denom_sig.c
* @brief Implementation of the insert_auditor_denom_sig 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_insert_auditor_denom_sig.h"
#include "pg_helper.h"
enum GNUNET_DB_QueryStatus
TEH_PG_insert_auditor_denom_sig (
void *cls,
const struct TALER_DenominationHashP *h_denom_pub,
const struct TALER_AuditorPublicKeyP *auditor_pub,
const struct TALER_AuditorSignatureP *auditor_sig)
{
struct PostgresClosure *pg = cls;
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_auto_from_type (auditor_pub),
GNUNET_PQ_query_param_auto_from_type (h_denom_pub),
GNUNET_PQ_query_param_auto_from_type (auditor_sig),
GNUNET_PQ_query_param_end
};
PREPARE (pg,
"insert_auditor_denom_sig",
"WITH ax AS"
" (SELECT auditor_uuid"
" FROM auditors"
" WHERE auditor_pub=$1)"
"INSERT INTO auditor_denom_sigs "
"(auditor_uuid"
",denominations_serial"
",auditor_sig"
") SELECT ax.auditor_uuid, denominations_serial, $3 "
" FROM denominations"
" CROSS JOIN ax"
" WHERE denom_pub_hash=$2;");
return GNUNET_PQ_eval_prepared_non_select (pg->conn,
"insert_auditor_denom_sig",
params);
}

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/*
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_insert_auditor_denom_sig.h
* @brief implementation of the insert_auditor_denom_sig function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_INSERT_AUDITOR_DENOM_SIG_H
#define PG_INSERT_AUDITOR_DENOM_SIG_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Insert information about an auditor auditing a denomination key.
*
* @param cls closure
* @param h_denom_pub the audited denomination
* @param auditor_pub the auditor's key
* @param auditor_sig signature affirming the auditor's audit activity
* @return transaction status code
*/
enum GNUNET_DB_QueryStatus
TEH_PG_insert_auditor_denom_sig (
void *cls,
const struct TALER_DenominationHashP *h_denom_pub,
const struct TALER_AuditorPublicKeyP *auditor_pub,
const struct TALER_AuditorSignatureP *auditor_sig);
#endif

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/*
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_insert_denomination_revocation.c
* @brief Implementation of the insert_denomination_revocation 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_insert_denomination_revocation.h"
#include "pg_helper.h"
enum GNUNET_DB_QueryStatus
TEH_PG_insert_denomination_revocation (
void *cls,
const struct TALER_DenominationHashP *denom_pub_hash,
const struct TALER_MasterSignatureP *master_sig)
{
struct PostgresClosure *pg = cls;
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_auto_from_type (denom_pub_hash),
GNUNET_PQ_query_param_auto_from_type (master_sig),
GNUNET_PQ_query_param_end
};
/* Used in #postgres_insert_denomination_revocation() */
PREPARE (pg,
"denomination_revocation_insert",
"INSERT INTO denomination_revocations "
"(denominations_serial"
",master_sig"
") SELECT denominations_serial,$2"
" FROM denominations"
" WHERE denom_pub_hash=$1;");
return GNUNET_PQ_eval_prepared_non_select (pg->conn,
"denomination_revocation_insert",
params);
}

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/*
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_insert_denomination_revocation.h
* @brief implementation of the insert_denomination_revocation function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_INSERT_DENOMINATION_REVOCATION_H
#define PG_INSERT_DENOMINATION_REVOCATION_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Store information that a denomination key was revoked
* in the database.
*
* @param cls closure
* @param denom_pub_hash hash of the revoked denomination key
* @param master_sig signature affirming the revocation
* @return transaction status code
*/
enum GNUNET_DB_QueryStatus
TEH_PG_insert_denomination_revocation (
void *cls,
const struct TALER_DenominationHashP *denom_pub_hash,
const struct TALER_MasterSignatureP *master_sig);
#endif

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/*
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_insert_deposit.c
* @brief Implementation of the insert_deposit 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_insert_deposit.h"
#include "pg_helper.h"
#include "pg_setup_wire_target.h"
#include "pg_compute_shard.h"
enum GNUNET_DB_QueryStatus
TEH_PG_insert_deposit (void *cls,
struct GNUNET_TIME_Timestamp exchange_timestamp,
const struct TALER_EXCHANGEDB_Deposit *deposit)
{
struct PostgresClosure *pg = cls;
struct TALER_PaytoHashP h_payto;
enum GNUNET_DB_QueryStatus qs;
qs = TEH_PG_setup_wire_target (pg,
deposit->receiver_wire_account,
&h_payto);
if (qs < 0)
return qs;
if (GNUNET_TIME_timestamp_cmp (deposit->wire_deadline,
<,
deposit->refund_deadline))
{
GNUNET_break (0);
}
{
uint64_t shard = TEH_PG_compute_shard (&deposit->merchant_pub);
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_auto_from_type (&deposit->coin.coin_pub),
TALER_PQ_query_param_amount (&deposit->amount_with_fee),
GNUNET_PQ_query_param_timestamp (&deposit->timestamp),
GNUNET_PQ_query_param_timestamp (&deposit->refund_deadline),
GNUNET_PQ_query_param_timestamp (&deposit->wire_deadline),
GNUNET_PQ_query_param_auto_from_type (&deposit->merchant_pub),
GNUNET_PQ_query_param_auto_from_type (&deposit->h_contract_terms),
GNUNET_PQ_query_param_auto_from_type (&deposit->wire_salt),
GNUNET_PQ_query_param_auto_from_type (&h_payto),
GNUNET_PQ_query_param_auto_from_type (&deposit->csig),
GNUNET_PQ_query_param_timestamp (&exchange_timestamp),
GNUNET_PQ_query_param_uint64 (&shard),
GNUNET_PQ_query_param_end
};
GNUNET_assert (shard <= INT32_MAX);
GNUNET_log (
GNUNET_ERROR_TYPE_INFO,
"Inserting deposit to be executed at %s (%llu/%llu)\n",
GNUNET_TIME_timestamp2s (deposit->wire_deadline),
(unsigned long long) deposit->wire_deadline.abs_time.abs_value_us,
(unsigned long long) deposit->refund_deadline.abs_time.abs_value_us);
/* Store information about a /deposit the exchange is to execute.
Used in #postgres_insert_deposit(). Only used in test cases. */
PREPARE (pg,
"insert_deposit",
"INSERT INTO deposits "
"(known_coin_id"
",coin_pub"
",amount_with_fee_val"
",amount_with_fee_frac"
",wallet_timestamp"
",refund_deadline"
",wire_deadline"
",merchant_pub"
",h_contract_terms"
",wire_salt"
",wire_target_h_payto"
",coin_sig"
",exchange_timestamp"
",shard"
") SELECT known_coin_id, $1, $2, $3, $4, $5, $6, "
" $7, $8, $9, $10, $11, $12, $13"
" FROM known_coins"
" WHERE coin_pub=$1"
" ON CONFLICT DO NOTHING;");
return GNUNET_PQ_eval_prepared_non_select (pg->conn,
"insert_deposit",
params);
}
}

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/*
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_insert_deposit.h
* @brief implementation of the insert_deposit function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_INSERT_DEPOSIT_H
#define PG_INSERT_DEPOSIT_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Insert information about deposited coin into the database.
*
* @param cls the `struct PostgresClosure` with the plugin-specific state
* @param exchange_timestamp time the exchange received the deposit request
* @param deposit deposit information to store
* @return query result status
*/
enum GNUNET_DB_QueryStatus
TEH_PG_insert_deposit (void *cls,
struct GNUNET_TIME_Timestamp exchange_timestamp,
const struct TALER_EXCHANGEDB_Deposit *deposit);
#endif

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/*
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_insert_global_fee.c
* @brief Implementation of the insert_global_fee 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_insert_global_fee.h"
#include "pg_helper.h"
#include "pg_get_global_fee.h"
enum GNUNET_DB_QueryStatus
TEH_PG_insert_global_fee (void *cls,
struct GNUNET_TIME_Timestamp start_date,
struct GNUNET_TIME_Timestamp end_date,
const struct TALER_GlobalFeeSet *fees,
struct GNUNET_TIME_Relative purse_timeout,
struct GNUNET_TIME_Relative history_expiration,
uint32_t purse_account_limit,
const struct TALER_MasterSignatureP *master_sig)
{
struct PostgresClosure *pg = cls;
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_timestamp (&start_date),
GNUNET_PQ_query_param_timestamp (&end_date),
TALER_PQ_query_param_amount (&fees->history),
TALER_PQ_query_param_amount (&fees->account),
TALER_PQ_query_param_amount (&fees->purse),
GNUNET_PQ_query_param_relative_time (&purse_timeout),
GNUNET_PQ_query_param_relative_time (&history_expiration),
GNUNET_PQ_query_param_uint32 (&purse_account_limit),
GNUNET_PQ_query_param_auto_from_type (master_sig),
GNUNET_PQ_query_param_end
};
struct TALER_GlobalFeeSet wx;
struct TALER_MasterSignatureP sig;
struct GNUNET_TIME_Timestamp sd;
struct GNUNET_TIME_Timestamp ed;
enum GNUNET_DB_QueryStatus qs;
struct GNUNET_TIME_Relative pt;
struct GNUNET_TIME_Relative he;
uint32_t pal;
qs = TEH_PG_get_global_fee (pg,
start_date,
&sd,
&ed,
&wx,
&pt,
&he,
&pal,
&sig);
if (qs < 0)
return qs;
if (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT == qs)
{
if (0 != GNUNET_memcmp (&sig,
master_sig))
{
GNUNET_break (0);
return GNUNET_DB_STATUS_HARD_ERROR;
}
if (0 !=
TALER_global_fee_set_cmp (fees,
&wx))
{
GNUNET_break (0);
return GNUNET_DB_STATUS_HARD_ERROR;
}
if ( (GNUNET_TIME_timestamp_cmp (sd,
!=,
start_date)) ||
(GNUNET_TIME_timestamp_cmp (ed,
!=,
end_date)) )
{
GNUNET_break (0);
return GNUNET_DB_STATUS_HARD_ERROR;
}
if ( (GNUNET_TIME_relative_cmp (purse_timeout,
!=,
pt)) ||
(GNUNET_TIME_relative_cmp (history_expiration,
!=,
he)) )
{
GNUNET_break (0);
return GNUNET_DB_STATUS_HARD_ERROR;
}
if (purse_account_limit != pal)
{
GNUNET_break (0);
return GNUNET_DB_STATUS_HARD_ERROR;
}
/* equal record already exists */
return GNUNET_DB_STATUS_SUCCESS_NO_RESULTS;
}
/* Used in #postgres_insert_global_fee */
PREPARE (pg,
"insert_global_fee",
"INSERT INTO global_fee "
"(start_date"
",end_date"
",history_fee_val"
",history_fee_frac"
",account_fee_val"
",account_fee_frac"
",purse_fee_val"
",purse_fee_frac"
",purse_timeout"
",history_expiration"
",purse_account_limit"
",master_sig"
") VALUES "
"($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12);");
return GNUNET_PQ_eval_prepared_non_select (pg->conn,
"insert_global_fee",
params);
}

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/*
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_insert_global_fee.h
* @brief implementation of the insert_global_fee function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_INSERT_GLOBAL_FEE_H
#define PG_INSERT_GLOBAL_FEE_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Insert global fee data into database.
*
* @param cls closure
* @param start_date when does the fees go into effect
* @param end_date when does the fees end being valid
* @param fees how high is are the global fees
* @param purse_timeout when do purses time out
* @param history_expiration how long are account histories preserved
* @param purse_account_limit how many purses are free per account
* @param master_sig signature over the above by the exchange master key
* @return transaction status code
*/
enum GNUNET_DB_QueryStatus
TEH_PG_insert_global_fee (void *cls,
struct GNUNET_TIME_Timestamp start_date,
struct GNUNET_TIME_Timestamp end_date,
const struct TALER_GlobalFeeSet *fees,
struct GNUNET_TIME_Relative purse_timeout,
struct GNUNET_TIME_Relative history_expiration,
uint32_t purse_account_limit,
const struct TALER_MasterSignatureP *master_sig);
#endif

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/*
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_insert_partner.c
* @brief Implementation of the insert_partner 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_insert_partner.h"
#include "pg_helper.h"
enum GNUNET_DB_QueryStatus
TEH_PG_insert_partner (void *cls,
const struct TALER_MasterPublicKeyP *master_pub,
struct GNUNET_TIME_Timestamp start_date,
struct GNUNET_TIME_Timestamp end_date,
struct GNUNET_TIME_Relative wad_frequency,
const struct TALER_Amount *wad_fee,
const char *partner_base_url,
const struct TALER_MasterSignatureP *master_sig)
{
struct PostgresClosure *pg = cls;
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_auto_from_type (master_pub),
GNUNET_PQ_query_param_timestamp (&start_date),
GNUNET_PQ_query_param_timestamp (&end_date),
GNUNET_PQ_query_param_relative_time (&wad_frequency),
TALER_PQ_query_param_amount (wad_fee),
GNUNET_PQ_query_param_auto_from_type (master_sig),
GNUNET_PQ_query_param_string (partner_base_url),
GNUNET_PQ_query_param_end
};
PREPARE (pg,
"insert_partner",
"INSERT INTO partners"
" (partner_master_pub"
" ,start_date"
" ,end_date"
" ,wad_frequency"
" ,wad_fee_val"
" ,wad_fee_frac"
" ,master_sig"
" ,partner_base_url"
" ) VALUES "
" ($1, $2, $3, $4, $5, $6, $7, $8);");
return GNUNET_PQ_eval_prepared_non_select (pg->conn,
"insert_partner",
params);
}

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/*
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_insert_partner.h
* @brief implementation of the insert_partner function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_INSERT_PARTNER_H
#define PG_INSERT_PARTNER_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Function called to store configuration data about a partner
* exchange that we are federated with.
*
* @param cls the @e cls of this struct with the plugin-specific state
* @param master_pub public offline signing key of the partner exchange
* @param start_date when does the following data start to be valid
* @param end_date when does the validity end (exclusive)
* @param wad_frequency how often do we do exchange-to-exchange settlements?
* @param wad_fee how much do we charge for transfers to the partner
* @param partner_base_url base URL of the partner exchange
* @param master_sig signature with our offline signing key affirming the above
* @return transaction status code
*/
enum GNUNET_DB_QueryStatus
TEH_PG_insert_partner (void *cls,
const struct TALER_MasterPublicKeyP *master_pub,
struct GNUNET_TIME_Timestamp start_date,
struct GNUNET_TIME_Timestamp end_date,
struct GNUNET_TIME_Relative wad_frequency,
const struct TALER_Amount *wad_fee,
const char *partner_base_url,
const struct TALER_MasterSignatureP *master_sig);
#endif

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