exchange

commit 5d25c0479b59f406d9c92ddd577b5b230dce033d
parent ddd8b2f834c45416b5e53ff1d9b18f034f6c6464
Author: Florian Dold <dold@taler.net>
Date:   Mon, 27 Jul 2026 20:43:28 +0200

exchangedb: tolerate NULL jnew_rules when listing AML decisions

Diffstat:
M
src/exchangedb/iterate_aml_decisions.c
 | 
20
+++++++++++++++++---

1 file changed, 17 insertions(+), 3 deletions(-)
diff --git a/src/exchangedb/iterate_aml_decisions.c b/src/exchangedb/iterate_aml_decisions.c
@@ -19,6 +19,7 @@
  * @author Christian Grothoff
  */
 #include "taler/taler_pq_lib.h"
+#include "taler/taler_kyclogic_lib.h"
 #include "exchange-database/iterate_aml_decisions.h"
 #include "helper.h"
 
@@ -77,7 +78,8 @@ handle_aml_result (void *cls,
     bool is_wallet;
     bool to_investigate;
     bool is_active;
-    json_t *account_rules;
+    json_t *account_rules = NULL;
+    json_t *default_rules = NULL;
     struct TALER_FullPayto payto;
     struct GNUNET_PQ_ResultSpec rs[] = {
       GNUNET_PQ_result_spec_uint64 ("outcome_serial_id",
@@ -98,8 +100,10 @@ handle_aml_result (void *cls,
         TALER_PQ_result_spec_json ("jproperties",
                                    &jproperties),
         NULL),
-      TALER_PQ_result_spec_json ("jnew_rules",
-                                 &account_rules),
+      GNUNET_PQ_result_spec_allow_null (
+        TALER_PQ_result_spec_json ("jnew_rules",
+                                   &account_rules),
+        NULL),
       GNUNET_PQ_result_spec_bool ("to_investigate",
                                   &to_investigate),
       GNUNET_PQ_result_spec_bool ("is_active",
@@ -120,6 +124,15 @@ handle_aml_result (void *cls,
     }
     if (GNUNET_TIME_absolute_is_past (expiration_time))
       is_active = false;
+    if (NULL == account_rules)
+    {
+      /* A NULL rule set means the account is on the exchange's default
+         rules (see exchange_do_insert_successor_measure), not that it has
+         no limits.  Report the defaults so the caller always gets a valid
+         rule set. */
+      default_rules = TALER_KYCLOGIC_get_default_legi_rules (is_wallet);
+      account_rules = default_rules;
+    }
     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
                 "Returning AML decisions for `%s' (%s)\n",
                 TALER_B2S (&h_payto),
@@ -138,6 +151,7 @@ handle_aml_result (void *cls,
              is_wallet,
              payto,
              account_rules);
+    json_decref (default_rules);
     GNUNET_PQ_cleanup_result (rs);
   }
 }