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[taler-exchange] branch master updated: fix KYC long-polling logic
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From: |
gnunet |
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Subject: |
[taler-exchange] branch master updated: fix KYC long-polling logic |
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Date: |
Sat, 03 Aug 2024 18:51:55 +0200 |
This is an automated email from the git hooks/post-receive script.
grothoff pushed a commit to branch master
in repository exchange.
The following commit(s) were added to refs/heads/master by this push:
new 12b87cf4f fix KYC long-polling logic
12b87cf4f is described below
commit 12b87cf4f96005a78dfb33c2cb69801c72f319b5
Author: Christian Grothoff <grothoff@gnunet.org>
AuthorDate: Sat Aug 3 18:51:46 2024 +0200
fix KYC long-polling logic
---
src/benchmark/.gitignore | 1 +
src/exchange/taler-exchange-httpd_kyc-check.c | 55 +++++++++++++-------
src/exchange/taler-exchange-httpd_kyc-info.c | 16 +++++-
src/exchangedb/Makefile.am | 1 +
src/exchangedb/pg_insert_aml_decision.c | 7 ---
src/exchangedb/pg_insert_kyc_attributes.c | 7 ---
src/exchangedb/pg_insert_kyc_failure.c | 4 --
src/exchangedb/pg_lookup_h_payto_by_access_token.c | 59 ++++++++++++++++++++++
src/exchangedb/pg_lookup_h_payto_by_access_token.h | 45 +++++++++++++++++
src/exchangedb/pg_update_kyc_process_by_row.c | 6 ---
src/exchangedb/plugin_exchangedb_postgres.c | 3 ++
src/include/taler_exchangedb_plugin.h | 21 +++++++-
12 files changed, 178 insertions(+), 47 deletions(-)
diff --git a/src/benchmark/.gitignore b/src/benchmark/.gitignore
index a1b4711e7..13bdf9e49 100644
--- a/src/benchmark/.gitignore
+++ b/src/benchmark/.gitignore
@@ -1,3 +1,4 @@
taler-bank-benchmark
taler-aggregator-benchmark
*.edited
+libeufin-bank.pid
diff --git a/src/exchange/taler-exchange-httpd_kyc-check.c
b/src/exchange/taler-exchange-httpd_kyc-check.c
index 150a68243..d321e357a 100644
--- a/src/exchange/taler-exchange-httpd_kyc-check.c
+++ b/src/exchange/taler-exchange-httpd_kyc-check.c
@@ -229,25 +229,6 @@ TEH_handler_kyc_check (
&kyp->timeout);
}
- if ( (NULL == kyp->eh) &&
- GNUNET_TIME_absolute_is_future (kyp->timeout) )
- {
- struct TALER_KycCompletedEventP rep = {
- .header.size = htons (sizeof (rep)),
- .header.type = htons (TALER_DBEVENT_EXCHANGE_KYC_COMPLETED),
- // .h_payto = kyp->h_payto // FIXME: h_payto not available here yet!
- };
-
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Starting DB event listening\n");
- kyp->eh = TEH_plugin->event_listen (
- TEH_plugin->cls,
- GNUNET_TIME_absolute_get_remaining (kyp->timeout),
- &rep.header,
- &db_event_cb,
- rc);
- }
-
if (! TALER_KYCLOGIC_is_enabled ())
{
GNUNET_log (GNUNET_ERROR_TYPE_INFO,
@@ -341,7 +322,43 @@ TEH_handler_kyc_check (
if (kyc_required &&
GNUNET_TIME_absolute_is_future (kyp->timeout))
{
+ enum GNUNET_DB_QueryStatus qs;
+ struct TALER_KycCompletedEventP rep = {
+ .header.size = htons (sizeof (rep)),
+ .header.type = htons (TALER_DBEVENT_EXCHANGE_KYC_COMPLETED),
+ };
+
json_decref (jlimits);
+ if (NULL == kyp->eh)
+ {
+ /* FIXME-Performance: consider modifying lookup_kyc_requirement_by_row
+ to immediately return h_payto as well... */
+ qs = TEH_plugin->lookup_h_payto_by_access_token (
+ TEH_plugin->cls,
+ &access_token,
+ &rep.h_payto);
+ if (qs < 0)
+ {
+ GNUNET_break (0);
+ return TALER_MHD_reply_with_ec (
+ rc->connection,
+ TALER_EC_GENERIC_DB_FETCH_FAILED,
+ "lookup_h_payto_by_access_token");
+ }
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "Starting DB event listening\n");
+ kyp->eh = TEH_plugin->event_listen (
+ TEH_plugin->cls,
+ GNUNET_TIME_absolute_get_remaining (kyp->timeout),
+ &rep.header,
+ &db_event_cb,
+ rc);
+ /* goes again *immediately* (without suspending)
+ now that long-poller is in place; we will suspend
+ in the *next* iteration. */
+ return MHD_YES;
+ }
+
GNUNET_log (GNUNET_ERROR_TYPE_INFO,
"Suspending HTTP request on timeout (%s) now...\n",
GNUNET_TIME_relative2s (GNUNET_TIME_absolute_get_remaining (
diff --git a/src/exchange/taler-exchange-httpd_kyc-info.c
b/src/exchange/taler-exchange-httpd_kyc-info.c
index 0c2c6aa00..1d9804d30 100644
--- a/src/exchange/taler-exchange-httpd_kyc-info.c
+++ b/src/exchange/taler-exchange-httpd_kyc-info.c
@@ -373,10 +373,22 @@ TEH_handler_kyc_info (
{
struct TALER_KycCompletedEventP rep = {
.header.size = htons (sizeof (rep)),
- .header.type = htons (TALER_DBEVENT_EXCHANGE_KYC_COMPLETED),
- .access_token = kyp->access_token
+ .header.type = htons (TALER_DBEVENT_EXCHANGE_KYC_COMPLETED)
};
+ qs = TEH_plugin->lookup_h_payto_by_access_token (
+ TEH_plugin->cls,
+ &kyp->access_token,
+ &rep.h_payto);
+ if (qs < 0)
+ {
+ GNUNET_break (0);
+ return TALER_MHD_reply_with_ec (
+ rc->connection,
+ TALER_EC_GENERIC_DB_FETCH_FAILED,
+ "lookup_h_payto_by_access_token");
+ }
+
GNUNET_log (GNUNET_ERROR_TYPE_INFO,
"Starting DB event listening\n");
kyp->eh = TEH_plugin->event_listen (
diff --git a/src/exchangedb/Makefile.am b/src/exchangedb/Makefile.am
index c601a2920..5bfa7a9a9 100644
--- a/src/exchangedb/Makefile.am
+++ b/src/exchangedb/Makefile.am
@@ -149,6 +149,7 @@ libtaler_plugin_exchangedb_postgres_la_SOURCES = \
pg_persist_policy_details.h pg_persist_policy_details.c \
pg_do_deposit.h pg_do_deposit.c \
pg_get_wire_hash_for_contract.h pg_get_wire_hash_for_contract.c \
+ pg_lookup_h_payto_by_access_token.h pg_lookup_h_payto_by_access_token.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 \
diff --git a/src/exchangedb/pg_insert_aml_decision.c
b/src/exchangedb/pg_insert_aml_decision.c
index d12f34af4..d1e618282 100644
--- a/src/exchangedb/pg_insert_aml_decision.c
+++ b/src/exchangedb/pg_insert_aml_decision.c
@@ -43,9 +43,6 @@ TEH_PG_insert_aml_decision (
struct GNUNET_TIME_Timestamp *last_date)
{
struct PostgresClosure *pg = cls;
-#if FIXME
- /* We used to do h_payto, now we need the
- account access token! */
struct TALER_KycCompletedEventP rep = {
.header.size = htons (sizeof (rep)),
.header.type = htons (TALER_DBEVENT_EXCHANGE_KYC_COMPLETED),
@@ -53,10 +50,6 @@ TEH_PG_insert_aml_decision (
};
char *notify_s
= GNUNET_PQ_get_event_notify_channel (&rep.header);
-#else
- char *notify_s
- = GNUNET_strdup ("FIXME");
-#endif
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_auto_from_type (h_payto),
GNUNET_PQ_query_param_timestamp (&decision_time),
diff --git a/src/exchangedb/pg_insert_kyc_attributes.c
b/src/exchangedb/pg_insert_kyc_attributes.c
index 11fac71e5..cbdcb7c63 100644
--- a/src/exchangedb/pg_insert_kyc_attributes.c
+++ b/src/exchangedb/pg_insert_kyc_attributes.c
@@ -48,9 +48,6 @@ TEH_PG_insert_kyc_attributes (
struct PostgresClosure *pg = cls;
struct GNUNET_TIME_Timestamp expiration
= GNUNET_TIME_absolute_to_timestamp (expiration_time);
-#if FIXME
- /* We used to do h_payto, now we need the
- account access token! */
struct TALER_KycCompletedEventP rep = {
.header.size = htons (sizeof (rep)),
.header.type = htons (TALER_DBEVENT_EXCHANGE_KYC_COMPLETED),
@@ -58,10 +55,6 @@ TEH_PG_insert_kyc_attributes (
};
char *kyc_completed_notify_s
= GNUNET_PQ_get_event_notify_channel (&rep.header);
-#else
- char *kyc_completed_notify_s
- = GNUNET_strdup ("FIXME");
-#endif
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_uint64 (&process_row),
GNUNET_PQ_query_param_auto_from_type (h_payto),
diff --git a/src/exchangedb/pg_insert_kyc_failure.c
b/src/exchangedb/pg_insert_kyc_failure.c
index b8967c30c..afbfa7da3 100644
--- a/src/exchangedb/pg_insert_kyc_failure.c
+++ b/src/exchangedb/pg_insert_kyc_failure.c
@@ -74,9 +74,6 @@ TEH_PG_insert_kyc_failure (
if (qs > 0)
{
/* FIXME: might want to do this eventually in the same transaction... */
-#if FIXME
- /* We used to do h_payto, now we need the
- account access token! */
struct TALER_KycCompletedEventP rep = {
.header.size = htons (sizeof (rep)),
.header.type = htons (TALER_DBEVENT_EXCHANGE_KYC_COMPLETED),
@@ -87,7 +84,6 @@ TEH_PG_insert_kyc_failure (
&rep.header,
NULL,
0);
-#endif
}
return qs;
}
diff --git a/src/exchangedb/pg_lookup_h_payto_by_access_token.c
b/src/exchangedb/pg_lookup_h_payto_by_access_token.c
new file mode 100644
index 000000000..072d6fbb8
--- /dev/null
+++ b/src/exchangedb/pg_lookup_h_payto_by_access_token.c
@@ -0,0 +1,59 @@
+/*
+ This file is part of TALER
+ Copyright (C) 2024 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_lookup_h_payto_by_access_token.c
+ * @brief Implementation of the lookup_h_payto_by_access_token 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_lookup_h_payto_by_access_token.h"
+#include "pg_helper.h"
+
+
+enum GNUNET_DB_QueryStatus
+TEH_PG_lookup_h_payto_by_access_token (
+ void *cls,
+ const struct TALER_AccountAccessTokenP *access_token,
+ struct TALER_PaytoHashP *h_payto)
+{
+ struct PostgresClosure *pg = cls;
+ struct GNUNET_PQ_QueryParam params[] = {
+ GNUNET_PQ_query_param_auto_from_type (access_token),
+ GNUNET_PQ_query_param_end
+ };
+ struct GNUNET_PQ_ResultSpec rs[] = {
+ GNUNET_PQ_result_spec_auto_from_type (
+ "wire_target_h_payto",
+ h_payto),
+ GNUNET_PQ_result_spec_end
+ };
+
+ PREPARE (pg,
+ "lookup_h_payto_by_access_token",
+ "SELECT "
+ " wire_target_h_payto"
+ " FROM wire_targets"
+ " WHERE (access_token = $1);");
+ return GNUNET_PQ_eval_prepared_singleton_select (
+ pg->conn,
+ "lookup_h_payto_by_access_token",
+ params,
+ rs);
+
+}
diff --git a/src/exchangedb/pg_lookup_h_payto_by_access_token.h
b/src/exchangedb/pg_lookup_h_payto_by_access_token.h
new file mode 100644
index 000000000..afcac09cf
--- /dev/null
+++ b/src/exchangedb/pg_lookup_h_payto_by_access_token.h
@@ -0,0 +1,45 @@
+/*
+ This file is part of TALER
+ Copyright (C) 2024 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_lookup_h_payto_by_access_token.h
+ * @brief implementation of the lookup_h_payto_by_access_token function for
Postgres
+ * @author Christian Grothoff
+ */
+#ifndef PG_LOOKUP_H_PAYTO_BY_ACCESS_TOKEN_H
+#define PG_LOOKUP_H_PAYTO_BY_ACCESS_TOKEN_H
+
+#include "taler_util.h"
+#include "taler_json_lib.h"
+#include "taler_exchangedb_plugin.h"
+
+
+/**
+ * Lookup @a h_payto based on an @a access_token.
+ *
+ * @param cls closure
+ * @param access_token
+ * set to token for access control
+ * @param[out] h_payto set to the the hash of the
+ * payto URI of the account (if found)
+ * @return database transaction status
+ */
+enum GNUNET_DB_QueryStatus
+TEH_PG_lookup_h_payto_by_access_token (
+ void *cls,
+ const struct TALER_AccountAccessTokenP *access_token,
+ struct TALER_PaytoHashP *h_payto);
+
+#endif
diff --git a/src/exchangedb/pg_update_kyc_process_by_row.c
b/src/exchangedb/pg_update_kyc_process_by_row.c
index 42cc094f2..ec0ef24bc 100644
--- a/src/exchangedb/pg_update_kyc_process_by_row.c
+++ b/src/exchangedb/pg_update_kyc_process_by_row.c
@@ -98,13 +98,11 @@ TEH_PG_update_kyc_process_by_row (
if (GNUNET_TIME_absolute_is_future (expiration))
{
enum GNUNET_DB_QueryStatus qs2;
-#if FIXME
struct TALER_KycCompletedEventP rep = {
.header.size = htons (sizeof (rep)),
.header.type = htons (TALER_DBEVENT_EXCHANGE_KYC_COMPLETED),
.h_payto = *h_payto
};
-#endif
uint32_t trigger_type = 1;
struct GNUNET_PQ_QueryParam params2[] = {
GNUNET_PQ_query_param_auto_from_type (h_payto),
@@ -112,14 +110,10 @@ TEH_PG_update_kyc_process_by_row (
GNUNET_PQ_query_param_end
};
-#if FIXME
- /* We used to do h_payto, now we need the
- account access token! */
GNUNET_PQ_event_notify (pg->conn,
&rep.header,
NULL,
0);
-#endif
PREPARE (pg,
"alert_kyc_status_change",
"INSERT INTO kyc_alerts"
diff --git a/src/exchangedb/plugin_exchangedb_postgres.c
b/src/exchangedb/plugin_exchangedb_postgres.c
index cd06a578b..87414125e 100644
--- a/src/exchangedb/plugin_exchangedb_postgres.c
+++ b/src/exchangedb/plugin_exchangedb_postgres.c
@@ -41,6 +41,7 @@
#include "pg_do_reserve_open.h"
#include "pg_get_coin_transactions.h"
#include "pg_get_expired_reserves.h"
+#include "pg_lookup_h_payto_by_access_token.h"
#include "pg_get_purse_request.h"
#include "pg_get_reserve_history.h"
#include "pg_get_unfinished_close_requests.h"
@@ -765,6 +766,8 @@ libtaler_plugin_exchangedb_postgres_init (void *cls)
= &TEH_PG_add_denomination_key;
plugin->lookup_signing_key
= &TEH_PG_lookup_signing_key;
+ plugin->lookup_h_payto_by_access_token
+ = &TEH_PG_lookup_h_payto_by_access_token;
plugin->begin_shard
= &TEH_PG_begin_shard;
plugin->abort_shard
diff --git a/src/include/taler_exchangedb_plugin.h
b/src/include/taler_exchangedb_plugin.h
index 69bb66f03..98596382c 100644
--- a/src/include/taler_exchangedb_plugin.h
+++ b/src/include/taler_exchangedb_plugin.h
@@ -238,9 +238,9 @@ struct TALER_KycCompletedEventP
struct GNUNET_DB_EventHeaderP header;
/**
- * Access token the KYC was completed for.
+ * Hash of payto://-URI for which the KYC state changed.
*/
- struct TALER_AccountAccessTokenP access_token;
+ struct TALER_PaytoHashP h_payto;
};
@@ -7378,6 +7378,23 @@ struct TALER_EXCHANGEDB_Plugin
void *cb_cls);
+ /**
+ * Lookup @a h_payto based on an @a access_token.
+ *
+ * @param cls closure
+ * @param access_token
+ * set to token for access control
+ * @param[out] h_payto set to the the hash of the
+ * payto URI of the account (if found)
+ * @return database transaction status
+ */
+ enum GNUNET_DB_QueryStatus
+ (*lookup_h_payto_by_access_token)(
+ void *cls,
+ const struct TALER_AccountAccessTokenP *access_token,
+ struct TALER_PaytoHashP *h_payto);
+
+
/**
* Lookup measure data for a legitimization process.
*
--
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