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-rw-r--r--src/exchange/Makefile.am1
-rw-r--r--src/exchange/taler-exchange-aggregator.c2
-rw-r--r--src/exchange/taler-exchange-httpd.c7
-rw-r--r--src/exchange/taler-exchange-httpd_batch-withdraw.c1
-rw-r--r--src/exchange/taler-exchange-httpd_config.c55
-rw-r--r--src/exchange/taler-exchange-httpd_config.h58
-rw-r--r--src/exchange/taler-exchange-httpd_keys.c19
-rw-r--r--src/exchange/taler-exchange-httpd_responses.c2
-rw-r--r--src/exchange/taler-exchange-httpd_withdraw.c3
-rw-r--r--src/exchangedb/0003-aml_status.sql1
-rw-r--r--src/exchangedb/exchange_do_insert_aml_decision.sql7
-rw-r--r--src/exchangedb/pg_select_aml_threshold.c6
-rw-r--r--src/exchangedb/pg_select_aml_threshold.h2
-rw-r--r--src/include/taler_exchangedb_plugin.h1
-rw-r--r--src/include/taler_kyclogic_lib.h9
-rw-r--r--src/kyclogic/kyclogic_api.c17
16 files changed, 169 insertions, 22 deletions
diff --git a/src/exchange/Makefile.am b/src/exchange/Makefile.am
index 364ab396d..da6967395 100644
--- a/src/exchange/Makefile.am
+++ b/src/exchange/Makefile.am
@@ -129,6 +129,7 @@ taler_exchange_httpd_SOURCES = \
taler-exchange-httpd_batch-deposit.c taler-exchange-httpd_batch-deposit.h \
taler-exchange-httpd_batch-withdraw.c taler-exchange-httpd_batch-withdraw.h \
taler-exchange-httpd_common_deposit.c taler-exchange-httpd_common_deposit.h \
+ taler-exchange-httpd_config.c taler-exchange-httpd_config.h \
taler-exchange-httpd_contract.c taler-exchange-httpd_contract.h \
taler-exchange-httpd_csr.c taler-exchange-httpd_csr.h \
taler-exchange-httpd_db.c taler-exchange-httpd_db.h \
diff --git a/src/exchange/taler-exchange-aggregator.c b/src/exchange/taler-exchange-aggregator.c
index 7244c5ec3..38110a5e7 100644
--- a/src/exchange/taler-exchange-aggregator.c
+++ b/src/exchange/taler-exchange-aggregator.c
@@ -585,6 +585,7 @@ aml_satisfied (struct AggregationUnit *au_active)
struct TALER_Amount total;
struct TALER_Amount threshold;
enum TALER_AmlDecisionState decision;
+ struct TALER_EXCHANGEDB_KycStatus kyc;
total = au_active->final_amount;
qs = db_plugin->select_aggregation_amounts_for_kyc_check (
@@ -602,6 +603,7 @@ aml_satisfied (struct AggregationUnit *au_active)
qs = db_plugin->select_aml_threshold (db_plugin->cls,
&au_active->h_payto,
&decision,
+ &kyc,
&threshold);
if (qs < 0)
{
diff --git a/src/exchange/taler-exchange-httpd.c b/src/exchange/taler-exchange-httpd.c
index 0c5d36e0f..e21154076 100644
--- a/src/exchange/taler-exchange-httpd.c
+++ b/src/exchange/taler-exchange-httpd.c
@@ -34,6 +34,7 @@
#include "taler-exchange-httpd_auditors.h"
#include "taler-exchange-httpd_batch-deposit.h"
#include "taler-exchange-httpd_batch-withdraw.h"
+#include "taler-exchange-httpd_config.h"
#include "taler-exchange-httpd_contract.h"
#include "taler-exchange-httpd_csr.h"
#include "taler-exchange-httpd_deposit.h"
@@ -1371,6 +1372,12 @@ handle_mhd_request (void *cls,
.method = MHD_HTTP_METHOD_GET,
.handler.get = &handler_seed
},
+ /* Configuration */
+ {
+ .url = "config",
+ .method = MHD_HTTP_METHOD_GET,
+ .handler.get = &TEH_handler_config
+ },
/* Performance metrics */
{
.url = "metrics",
diff --git a/src/exchange/taler-exchange-httpd_batch-withdraw.c b/src/exchange/taler-exchange-httpd_batch-withdraw.c
index 493a2bc70..6cd467d51 100644
--- a/src/exchange/taler-exchange-httpd_batch-withdraw.c
+++ b/src/exchange/taler-exchange-httpd_batch-withdraw.c
@@ -254,6 +254,7 @@ batch_withdraw_transaction (void *cls,
qs = TEH_plugin->select_aml_threshold (TEH_plugin->cls,
&reserve_h_payto,
&wc->aml_decision,
+ &wc->kyc,
&threshold);
if (qs < 0)
{
diff --git a/src/exchange/taler-exchange-httpd_config.c b/src/exchange/taler-exchange-httpd_config.c
new file mode 100644
index 000000000..da5bf9691
--- /dev/null
+++ b/src/exchange/taler-exchange-httpd_config.c
@@ -0,0 +1,55 @@
+/*
+ This file is part of TALER
+ Copyright (C) 2015-2021 Taler Systems SA
+
+ TALER is free software; you can redistribute it and/or modify it under the
+ terms of the GNU Affero 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 Affero General Public License for more details.
+
+ You should have received a copy of the GNU Affero General Public License along with
+ TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
+*/
+/**
+ * @file taler-exchange-httpd_config.c
+ * @brief Handle /config requests
+ * @author Christian Grothoff
+ */
+#include "platform.h"
+#include <gnunet/gnunet_json_lib.h>
+#include "taler_dbevents.h"
+#include "taler-exchange-httpd_config.h"
+#include "taler_json_lib.h"
+#include "taler_kyclogic_lib.h"
+#include "taler_mhd_lib.h"
+#include <jansson.h>
+
+
+MHD_RESULT
+TEH_handler_config (struct TEH_RequestContext *rc,
+ const char *const args[])
+{
+ static struct MHD_Response *resp;
+
+ if (NULL == resp)
+ {
+ resp = TALER_MHD_MAKE_JSON_PACK (
+ GNUNET_JSON_pack_array_steal ("supported_kyc_requirements",
+ TALER_KYCLOGIC_get_satisfiable ()),
+ GNUNET_JSON_pack_string ("currency",
+ TEH_currency),
+ GNUNET_JSON_pack_string ("name",
+ "taler-exchange"),
+ GNUNET_JSON_pack_string ("version",
+ EXCHANGE_PROTOCOL_VERSION));
+ }
+ return MHD_queue_response (rc->connection,
+ MHD_HTTP_OK,
+ resp);
+}
+
+
+/* end of taler-exchange-httpd_config.c */
diff --git a/src/exchange/taler-exchange-httpd_config.h b/src/exchange/taler-exchange-httpd_config.h
new file mode 100644
index 000000000..e7e6a0a29
--- /dev/null
+++ b/src/exchange/taler-exchange-httpd_config.h
@@ -0,0 +1,58 @@
+/*
+ This file is part of TALER
+ (C) 2023 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 EXCHANGEABILITY 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 taler-exchange-httpd_config.h
+ * @brief headers for /config handler
+ * @author Christian Grothoff
+ */
+#ifndef TALER_EXCHANGE_HTTPD_CONFIG_H
+#define TALER_EXCHANGE_HTTPD_CONFIG_H
+#include <microhttpd.h>
+#include "taler-exchange-httpd.h"
+
+
+/**
+ * Taler protocol version in the format CURRENT:REVISION:AGE
+ * as used by GNU libtool. See
+ * https://www.gnu.org/software/libtool/manual/html_node/Libtool-versioning.html
+ *
+ * Please be very careful when updating and follow
+ * https://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html#Updating-version-info
+ * precisely. Note that this version has NOTHING to do with the
+ * release version, and the format is NOT the same that semantic
+ * versioning uses either.
+ *
+ * When changing this version, you likely want to also update
+ * #TALER_PROTOCOL_CURRENT and #TALER_PROTOCOL_AGE in
+ * exchange_api_handle.c!
+ *
+ * Returned via both /config and /keys endpoints.
+ */
+#define EXCHANGE_PROTOCOL_VERSION "14:0:2"
+
+
+/**
+ * Manages a /config call.
+ *
+ * @param rc context of the handler
+ * @param[in,out] args remaining arguments (ingored)
+ * @return MHD result code
+ */
+MHD_RESULT
+TEH_handler_config (struct TEH_RequestContext *rc,
+ const char *const args[]);
+
+#endif
diff --git a/src/exchange/taler-exchange-httpd_keys.c b/src/exchange/taler-exchange-httpd_keys.c
index 3db4ef7ca..251c001b8 100644
--- a/src/exchange/taler-exchange-httpd_keys.c
+++ b/src/exchange/taler-exchange-httpd_keys.c
@@ -25,6 +25,7 @@
#include "taler_kyclogic_lib.h"
#include "taler_dbevents.h"
#include "taler-exchange-httpd.h"
+#include "taler-exchange-httpd_config.h"
#include "taler-exchange-httpd_keys.h"
#include "taler-exchange-httpd_responses.h"
#include "taler_exchangedb_plugin.h"
@@ -45,24 +46,6 @@
/**
- * Taler protocol version in the format CURRENT:REVISION:AGE
- * as used by GNU libtool. See
- * https://www.gnu.org/software/libtool/manual/html_node/Libtool-versioning.html
- *
- * Please be very careful when updating and follow
- * https://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html#Updating-version-info
- * precisely. Note that this version has NOTHING to do with the
- * release version, and the format is NOT the same that semantic
- * versioning uses either.
- *
- * When changing this version, you likely want to also update
- * #TALER_PROTOCOL_CURRENT and #TALER_PROTOCOL_AGE in
- * exchange_api_handle.c!
- */
-#define EXCHANGE_PROTOCOL_VERSION "14:0:2"
-
-
-/**
* Information about a denomination on offer by the denomination helper.
*/
struct HelperDenomination
diff --git a/src/exchange/taler-exchange-httpd_responses.c b/src/exchange/taler-exchange-httpd_responses.c
index 5d9dfc3aa..835a47713 100644
--- a/src/exchange/taler-exchange-httpd_responses.c
+++ b/src/exchange/taler-exchange-httpd_responses.c
@@ -1,6 +1,6 @@
/*
This file is part of TALER
- Copyright (C) 2014-2022 Taler Systems SA
+ Copyright (C) 2014-2023 Taler Systems SA
TALER is free software; you can redistribute it and/or modify it under the
terms of the GNU Affero General Public License as published by the Free Software
diff --git a/src/exchange/taler-exchange-httpd_withdraw.c b/src/exchange/taler-exchange-httpd_withdraw.c
index 9560e7dc0..28addba43 100644
--- a/src/exchange/taler-exchange-httpd_withdraw.c
+++ b/src/exchange/taler-exchange-httpd_withdraw.c
@@ -1,6 +1,6 @@
/*
This file is part of TALER
- Copyright (C) 2014-2022 Taler Systems SA
+ Copyright (C) 2014-2023 Taler Systems SA
TALER is free software; you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
@@ -226,6 +226,7 @@ withdraw_transaction (void *cls,
qs = TEH_plugin->select_aml_threshold (TEH_plugin->cls,
&reserve_h_payto,
&wc->aml_decision,
+ &wc->kyc,
&threshold);
if (qs < 0)
{
diff --git a/src/exchangedb/0003-aml_status.sql b/src/exchangedb/0003-aml_status.sql
index c0683c0d8..ee61cc391 100644
--- a/src/exchangedb/0003-aml_status.sql
+++ b/src/exchangedb/0003-aml_status.sql
@@ -30,6 +30,7 @@ BEGIN
',threshold_val INT8 NOT NULL DEFAULT(0)'
',threshold_frac INT4 NOT NULL DEFAULT(0)'
',status INT4 NOT NULL DEFAULT(0)'
+ ',kyc_requirement INT8 NOT NULL DEFAULT(0)'
') %s ;'
,table_name
,'PARTITION BY HASH (h_payto)'
diff --git a/src/exchangedb/exchange_do_insert_aml_decision.sql b/src/exchangedb/exchange_do_insert_aml_decision.sql
index 00f803752..f257675a8 100644
--- a/src/exchangedb/exchange_do_insert_aml_decision.sql
+++ b/src/exchangedb/exchange_do_insert_aml_decision.sql
@@ -62,6 +62,7 @@ THEN
SET threshold_val=in_new_threshold_val
,threshold_frac=in_new_threshold_frac
,status=in_new_status
+ ,kyc_requirement=in_requirement_row
WHERE h_payto=in_h_payto;
ASSERT FOUND, 'cannot have AML decision history but no AML status';
ELSE
@@ -70,12 +71,14 @@ ELSE
(h_payto
,threshold_val
,threshold_frac
- ,status)
+ ,status
+ ,kyc_requirement)
VALUES
(in_h_payto
,in_new_threshold_val
,in_new_threshold_frac
- ,in_new_status);
+ ,in_new_status
+ ,in_requirement_row);
END IF;
diff --git a/src/exchangedb/pg_select_aml_threshold.c b/src/exchangedb/pg_select_aml_threshold.c
index e67a57a39..7a79b70c1 100644
--- a/src/exchangedb/pg_select_aml_threshold.c
+++ b/src/exchangedb/pg_select_aml_threshold.c
@@ -31,6 +31,7 @@ TEH_PG_select_aml_threshold (
void *cls,
const struct TALER_PaytoHashP *h_payto,
enum TALER_AmlDecisionState *decision,
+ struct TALER_EXCHANGEDB_KycStatus *kyc,
struct TALER_Amount *threshold)
{
struct PostgresClosure *pg = cls;
@@ -44,6 +45,8 @@ TEH_PG_select_aml_threshold (
threshold),
GNUNET_PQ_result_spec_uint32 ("status",
&status32),
+ GNUNET_PQ_result_spec_uint64 ("kyc_requirement",
+ &kyc->requirement_row),
GNUNET_PQ_result_spec_end
};
enum GNUNET_DB_QueryStatus qs;
@@ -53,6 +56,7 @@ TEH_PG_select_aml_threshold (
"SELECT"
" threshold_val"
",threshold_frac"
+ ",kyc_requirement"
" FROM aml_status"
" WHERE h_payto=$1;");
qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
@@ -60,5 +64,7 @@ TEH_PG_select_aml_threshold (
params,
rs);
*decision = (enum TALER_AmlDecisionState) status32;
+ kyc->ok = (TALER_AML_FROZEN != *decision)
+ || (0 != kyc->requirement_row);
return qs;
}
diff --git a/src/exchangedb/pg_select_aml_threshold.h b/src/exchangedb/pg_select_aml_threshold.h
index 618eb1c75..8f0e3bcfc 100644
--- a/src/exchangedb/pg_select_aml_threshold.h
+++ b/src/exchangedb/pg_select_aml_threshold.h
@@ -32,6 +32,7 @@
* @param cls closure
* @param h_payto account for which the AML threshold is stored
* @param[out] decision set to current AML decision
+ * @param[out] kyc set to KYC requirements imposed by AML, if any
* @param[out] threshold set to the existing threshold
* @return database transaction status, 0 if no threshold was set
*/
@@ -40,6 +41,7 @@ TEH_PG_select_aml_threshold (
void *cls,
const struct TALER_PaytoHashP *h_payto,
enum TALER_AmlDecisionState *decision,
+ struct TALER_EXCHANGEDB_KycStatus *kyc,
struct TALER_Amount *threshold);
diff --git a/src/include/taler_exchangedb_plugin.h b/src/include/taler_exchangedb_plugin.h
index 44dd912f8..db3289ffc 100644
--- a/src/include/taler_exchangedb_plugin.h
+++ b/src/include/taler_exchangedb_plugin.h
@@ -6621,6 +6621,7 @@ struct TALER_EXCHANGEDB_Plugin
void *cls,
const struct TALER_PaytoHashP *h_payto,
enum TALER_AmlDecisionState *decision,
+ struct TALER_EXCHANGEDB_KycStatus *kyc,
struct TALER_Amount *threshold);
diff --git a/src/include/taler_kyclogic_lib.h b/src/include/taler_kyclogic_lib.h
index 34a429121..2d8b39f2b 100644
--- a/src/include/taler_kyclogic_lib.h
+++ b/src/include/taler_kyclogic_lib.h
@@ -312,6 +312,15 @@ TALER_KYCLOGIC_check_satisfiable (
/**
+ * Return list of all KYC checks that are possible.
+ *
+ * @return JSON array of strings with the allowed KYC checks
+ */
+json_t *
+TALER_KYCLOGIC_get_satisfiable (void);
+
+
+/**
* Obtain the provider logic for a given set of @a requirements.
*
* @param requirements space-separated list of required checks
diff --git a/src/kyclogic/kyclogic_api.c b/src/kyclogic/kyclogic_api.c
index 9f35743cd..4c465ad10 100644
--- a/src/kyclogic/kyclogic_api.c
+++ b/src/kyclogic/kyclogic_api.c
@@ -286,6 +286,23 @@ TALER_KYCLOGIC_check_satisfiable (
}
+json_t *
+TALER_KYCLOGIC_get_satisfiable ()
+{
+ json_t *requirements;
+
+ requirements = json_array ();
+ GNUNET_assert (NULL != requirements);
+ for (unsigned int i = 0; i<num_kyc_checks; i++)
+ GNUNET_assert (
+ 0 ==
+ json_array_append_new (
+ requirements,
+ json_string (kyc_checks[i]->name)));
+ return requirements;
+}
+
+
/**
* Load KYC logic plugin.
*