move a few more functions

This commit is contained in:
Joseph 2022-11-08 09:21:01 -05:00
parent 354bbfa1e5
commit 4394079a5e
No known key found for this signature in database
GPG Key ID: E709789D3076B5CC
8 changed files with 439 additions and 156 deletions

View File

@ -71,6 +71,8 @@ libtaler_plugin_exchangedb_postgres_la_SOURCES = \
plugin_exchangedb_postgres.c pg_helper.h \
pg_do_reserve_open.c pg_do_reserve_open.h \
pg_do_withdraw.h pg_do_withdraw.c \
pg_iterate_active_signkeys.h pg_iterate_active_signkeys.c \
pg_commit.h pg_commit.c \
pg_get_coin_transactions.c pg_get_coin_transactions.h \
pg_get_expired_reserves.c pg_get_expired_reserves.h \
pg_get_purse_request.c pg_get_purse_request.h \

View File

@ -0,0 +1,58 @@
/*
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_commit.c
* @brief Implementation of the commit 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_commit.h"
#include "pg_helper.h"
/**
* Commit the current transaction of a database connection.
*
* @param cls the `struct PostgresClosure` with the plugin-specific state
* @return final transaction status
*/
enum GNUNET_DB_QueryStatus
TEH_PG_commit (void *cls)
{
struct PostgresClosure *pg = cls;
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_end
};
enum GNUNET_DB_QueryStatus qs;
GNUNET_break (NULL != pg->transaction_name);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Committing transaction `%s'\n",
pg->transaction_name);
/* used in #postgres_commit */
PREPARE (pg,
"do_commit",
"COMMIT");
qs = GNUNET_PQ_eval_prepared_non_select (pg->conn,
"do_commit",
params);
pg->transaction_name = NULL;
return qs;
}

View File

@ -0,0 +1,37 @@
/*
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_commit.h
* @brief implementation of the commit function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_COMMIT_H
#define PG_COMMIT_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Commit the current transaction of a database connection.
*
* @param cls the `struct PostgresClosure` with the plugin-specific state
* @return final transaction status
*/
enum GNUNET_DB_QueryStatus
TEH_PG_commit (void *cls);
#endif

View File

@ -0,0 +1,86 @@
/*
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_withdraw.c
* @brief Implementation of the do_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_withdraw.h"
#include "pg_helper.h"
enum GNUNET_DB_QueryStatus
TEH_PG_do_withdraw (
void *cls,
const struct TALER_CsNonce *nonce,
const struct TALER_EXCHANGEDB_CollectableBlindcoin *collectable,
struct GNUNET_TIME_Timestamp now,
bool *found,
bool *balance_ok,
bool *nonce_ok,
uint64_t *ruuid)
{
struct PostgresClosure *pg = cls;
struct GNUNET_TIME_Timestamp gc;
struct GNUNET_PQ_QueryParam params[] = {
NULL == nonce
? GNUNET_PQ_query_param_null ()
: GNUNET_PQ_query_param_auto_from_type (nonce),
TALER_PQ_query_param_amount (&collectable->amount_with_fee),
GNUNET_PQ_query_param_auto_from_type (&collectable->denom_pub_hash),
GNUNET_PQ_query_param_auto_from_type (&collectable->reserve_pub),
GNUNET_PQ_query_param_auto_from_type (&collectable->reserve_sig),
GNUNET_PQ_query_param_auto_from_type (&collectable->h_coin_envelope),
TALER_PQ_query_param_blinded_denom_sig (&collectable->sig),
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_bool ("nonce_ok",
nonce_ok),
GNUNET_PQ_result_spec_uint64 ("ruuid",
ruuid),
GNUNET_PQ_result_spec_end
};
PREPARE (pg,
"call_withdraw",
"SELECT "
" reserve_found"
",balance_ok"
",nonce_ok"
",ruuid"
" FROM exchange_do_withdraw"
" ($1,$2,$3,$4,$5,$6,$7,$8,$9,$10);");
gc = GNUNET_TIME_absolute_to_timestamp (
GNUNET_TIME_absolute_add (now.abs_time,
pg->legal_reserve_expiration_time));
return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
"call_withdraw",
params,
rs);
}

View File

@ -0,0 +1,53 @@
/*
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_withdraw.h
* @brief implementation of the do_withdraw function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_DO_WITHDRAW_H
#define PG_DO_WITHDRAW_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Perform withdraw operation, checking for sufficient balance
* and possibly persisting the withdrawal details.
*
* @param cls the `struct PostgresClosure` with the plugin-specific state
* @param nonce client-contributed input for CS denominations that must be checked for idempotency, or NULL for non-CS withdrawals
* @param[in,out] collectable corresponding collectable coin (blind signature) if a coin is found; possibly updated if a (different) signature exists already
* @param now current time (rounded)
* @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] nonce_ok set to false if the nonce was reused
* @param[out] ruuid set to the reserve's UUID (reserves table row)
* @return query execution status
*/
enum GNUNET_DB_QueryStatus
TEH_PG_do_withdraw (
void *cls,
const struct TALER_CsNonce *nonce,
const struct TALER_EXCHANGEDB_CollectableBlindcoin *collectable,
struct GNUNET_TIME_Timestamp now,
bool *found,
bool *balance_ok,
bool *nonce_ok,
uint64_t *ruuid);
#endif

View File

@ -0,0 +1,145 @@
/*
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_iterate_active_signkeys.c
* @brief Implementation of the iterate_active_signkeys 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_iterate_active_signkeys.h"
#include "pg_helper.h"
/**
* Closure for #signkeys_cb_helper()
*/
struct SignkeysIteratorContext
{
/**
* Function to call with the results.
*/
TALER_EXCHANGEDB_ActiveSignkeysCallback cb;
/**
* Closure to pass to @e cb
*/
void *cb_cls;
};
/**
* Helper function for #postgres_iterate_active_signkeys().
* Calls the callback with each signkey.
*
* @param cls a `struct SignkeysIteratorContext`
* @param result db results
* @param num_results number of results in @a result
*/
static void
signkeys_cb_helper (void *cls,
PGresult *result,
unsigned int num_results)
{
struct SignkeysIteratorContext *dic = cls;
for (unsigned int i = 0; i<num_results; i++)
{
struct TALER_EXCHANGEDB_SignkeyMetaData meta;
struct TALER_ExchangePublicKeyP exchange_pub;
struct TALER_MasterSignatureP master_sig;
struct GNUNET_PQ_ResultSpec rs[] = {
GNUNET_PQ_result_spec_auto_from_type ("master_sig",
&master_sig),
GNUNET_PQ_result_spec_auto_from_type ("exchange_pub",
&exchange_pub),
GNUNET_PQ_result_spec_timestamp ("valid_from",
&meta.start),
GNUNET_PQ_result_spec_timestamp ("expire_sign",
&meta.expire_sign),
GNUNET_PQ_result_spec_timestamp ("expire_legal",
&meta.expire_legal),
GNUNET_PQ_result_spec_end
};
if (GNUNET_OK !=
GNUNET_PQ_extract_result (result,
rs,
i))
{
GNUNET_break (0);
return;
}
dic->cb (dic->cb_cls,
&exchange_pub,
&meta,
&master_sig);
}
}
/**
* Function called to invoke @a cb on every non-revoked exchange signing key
* that has been signed by the master key. Revoked and (for signing!)
* expired keys are skipped. Runs in its own read-only transaction.
*
* @param cls the @e cls of this struct with the plugin-specific state
* @param cb function to call on each signing key
* @param cb_cls closure for @a cb
* @return transaction status code
*/
enum GNUNET_DB_QueryStatus
TEH_PG_iterate_active_signkeys (void *cls,
TALER_EXCHANGEDB_ActiveSignkeysCallback cb,
void *cb_cls)
{
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_end
};
struct SignkeysIteratorContext dic = {
.cb = cb,
.cb_cls = cb_cls,
};
PREPARE (pg,
"select_signkeys",
"SELECT"
" master_sig"
",exchange_pub"
",valid_from"
",expire_sign"
",expire_legal"
" FROM exchange_sign_keys esk"
" WHERE"
" expire_sign > $1"
" AND NOT EXISTS "
" (SELECT esk_serial "
" FROM signkey_revocations skr"
" WHERE esk.esk_serial = skr.esk_serial);");
now = GNUNET_TIME_absolute_get ();
return GNUNET_PQ_eval_prepared_multi_select (pg->conn,
"select_signkeys",
params,
&signkeys_cb_helper,
&dic);
}

View File

@ -0,0 +1,43 @@
/*
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_iterate_active_signkeys.h
* @brief implementation of the iterate_active_signkeys function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_ITERATE_ACTIVE_SIGNKEYS_H
#define PG_ITERATE_ACTIVE_SIGNKEYS_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Function called to invoke @a cb on every non-revoked exchange signing key
* that has been signed by the master key. Revoked and (for signing!)
* expired keys are skipped. Runs in its own read-only transaction.
*
* @param cls the @e cls of this struct with the plugin-specific state
* @param cb function to call on each signing key
* @param cb_cls closure for @a cb
* @return transaction status code
*/
enum GNUNET_DB_QueryStatus
TEH_PG_iterate_active_signkeys (void *cls,
TALER_EXCHANGEDB_ActiveSignkeysCallback cb,
void *cb_cls);
#endif

View File

@ -62,6 +62,9 @@
/**WHAT I ADD**/
#include "pg_insert_purse_request.h"
#include "pg_iterate_active_signkeys.h"
#include "pg_commit.h"
/**
@ -427,22 +430,7 @@ prepare_statements (struct PostgresClosure *pg)
" FROM denominations"
" LEFT JOIN "
" denomination_revocations USING (denominations_serial);"),
/* Used in #postgres_iterate_active_signkeys() */
GNUNET_PQ_make_prepare (
"select_signkeys",
"SELECT"
" master_sig"
",exchange_pub"
",valid_from"
",expire_sign"
",expire_legal"
" FROM exchange_sign_keys esk"
" WHERE"
" expire_sign > $1"
" AND NOT EXISTS "
" (SELECT esk_serial "
" FROM signkey_revocations skr"
" WHERE esk.esk_serial = skr.esk_serial);"),
/* Used in #postgres_iterate_auditor_denominations() */
GNUNET_PQ_make_prepare (
"select_auditor_denoms",
@ -1952,10 +1940,6 @@ prepare_statements (struct PostgresClosure *pg)
" FROM global_fee"
" WHERE end_date > $1"
" AND start_date < $2;"),
/* used in #postgres_commit */
GNUNET_PQ_make_prepare (
"do_commit",
"COMMIT"),
/* Used in #postgres_begin_shard() */
GNUNET_PQ_make_prepare (
"get_open_shard",
@ -2591,31 +2575,6 @@ postgres_rollback (void *cls)
}
/**
* Commit the current transaction of a database connection.
*
* @param cls the `struct PostgresClosure` with the plugin-specific state
* @return final transaction status
*/
static enum GNUNET_DB_QueryStatus
postgres_commit (void *cls)
{
struct PostgresClosure *pg = cls;
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_end
};
enum GNUNET_DB_QueryStatus qs;
GNUNET_break (NULL != pg->transaction_name);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Committing transaction `%s'\n",
pg->transaction_name);
qs = GNUNET_PQ_eval_prepared_non_select (pg->conn,
"do_commit",
params);
pg->transaction_name = NULL;
return qs;
}
/**
@ -3072,109 +3031,6 @@ postgres_iterate_denominations (void *cls,
}
/**
* Closure for #signkeys_cb_helper()
*/
struct SignkeysIteratorContext
{
/**
* Function to call with the results.
*/
TALER_EXCHANGEDB_ActiveSignkeysCallback cb;
/**
* Closure to pass to @e cb
*/
void *cb_cls;
};
/**
* Helper function for #postgres_iterate_active_signkeys().
* Calls the callback with each signkey.
*
* @param cls a `struct SignkeysIteratorContext`
* @param result db results
* @param num_results number of results in @a result
*/
static void
signkeys_cb_helper (void *cls,
PGresult *result,
unsigned int num_results)
{
struct SignkeysIteratorContext *dic = cls;
for (unsigned int i = 0; i<num_results; i++)
{
struct TALER_EXCHANGEDB_SignkeyMetaData meta;
struct TALER_ExchangePublicKeyP exchange_pub;
struct TALER_MasterSignatureP master_sig;
struct GNUNET_PQ_ResultSpec rs[] = {
GNUNET_PQ_result_spec_auto_from_type ("master_sig",
&master_sig),
GNUNET_PQ_result_spec_auto_from_type ("exchange_pub",
&exchange_pub),
GNUNET_PQ_result_spec_timestamp ("valid_from",
&meta.start),
GNUNET_PQ_result_spec_timestamp ("expire_sign",
&meta.expire_sign),
GNUNET_PQ_result_spec_timestamp ("expire_legal",
&meta.expire_legal),
GNUNET_PQ_result_spec_end
};
if (GNUNET_OK !=
GNUNET_PQ_extract_result (result,
rs,
i))
{
GNUNET_break (0);
return;
}
dic->cb (dic->cb_cls,
&exchange_pub,
&meta,
&master_sig);
}
}
/**
* Function called to invoke @a cb on every non-revoked exchange signing key
* that has been signed by the master key. Revoked and (for signing!)
* expired keys are skipped. Runs in its own read-only transaction.
*
* @param cls the @e cls of this struct with the plugin-specific state
* @param cb function to call on each signing key
* @param cb_cls closure for @a cb
* @return transaction status code
*/
static enum GNUNET_DB_QueryStatus
postgres_iterate_active_signkeys (void *cls,
TALER_EXCHANGEDB_ActiveSignkeysCallback cb,
void *cb_cls)
{
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_end
};
struct SignkeysIteratorContext dic = {
.cb = cb,
.cb_cls = cb_cls,
};
now = GNUNET_TIME_absolute_get ();
return GNUNET_PQ_eval_prepared_multi_select (pg->conn,
"select_signkeys",
params,
&signkeys_cb_helper,
&dic);
}
/**
* Closure for #auditors_cb_helper()
*/
@ -3677,7 +3533,7 @@ postgres_reserves_in_insert (void *cls,
(We are only run in a larger transaction for performance.) */
enum GNUNET_DB_QueryStatus cs;
cs = postgres_commit (pg);
cs = TEH_PG_commit(pg);
if (cs < 0)
return cs;
if (GNUNET_OK !=
@ -3758,7 +3614,7 @@ postgres_reserves_in_insert (void *cls,
{
enum GNUNET_DB_QueryStatus cs;
cs = postgres_commit (pg);
cs = TEH_PG_commit (pg);
if (cs < 0)
return cs;
if (GNUNET_OK !=
@ -9986,7 +9842,7 @@ commit:
{
enum GNUNET_DB_QueryStatus qs;
qs = postgres_commit (pg);
qs = TEH_PG_commit (pg);
switch (qs)
{
case GNUNET_DB_STATUS_HARD_ERROR:
@ -10256,7 +10112,7 @@ postgres_begin_revolving_shard (void *cls,
{
enum GNUNET_DB_QueryStatus qs;
qs = postgres_commit (pg);
qs = TEH_PG_commit (pg);
switch (qs)
{
case GNUNET_DB_STATUS_HARD_ERROR:
@ -12008,7 +11864,7 @@ libtaler_plugin_exchangedb_postgres_init (void *cls)
plugin->start = &postgres_start;
plugin->start_read_committed = &postgres_start_read_committed;
plugin->start_read_only = &postgres_start_read_only;
plugin->commit = &postgres_commit;
plugin->preflight = &postgres_preflight;
plugin->rollback = &postgres_rollback;
plugin->event_listen = &postgres_event_listen;
@ -12018,7 +11874,7 @@ libtaler_plugin_exchangedb_postgres_init (void *cls)
plugin->get_denomination_info = &postgres_get_denomination_info;
plugin->iterate_denomination_info = &postgres_iterate_denomination_info;
plugin->iterate_denominations = &postgres_iterate_denominations;
plugin->iterate_active_signkeys = &postgres_iterate_active_signkeys;
plugin->iterate_active_auditors = &postgres_iterate_active_auditors;
plugin->iterate_auditor_denominations =
&postgres_iterate_auditor_denominations;
@ -12280,7 +12136,10 @@ libtaler_plugin_exchangedb_postgres_init (void *cls)
= &TEH_PG_select_reserve_open_above_serial_id;
plugin->insert_purse_request
= &TEH_PG_insert_purse_request;
plugin->iterate_active_signkeys
= &TEH_PG_iterate_active_signkeys;
plugin->commit
= &TEH_PG_commit;
return plugin;
}