From e56ed85f4f11f3daec80326f7d43635281b3806b Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Thu, 14 Feb 2019 13:41:46 +0100
Subject: preparations for #5536

---
 src/exchangedb/exchangedb_denomkeys.c       |  6 ++++++
 src/exchangedb/exchangedb_signkeys.c        |  6 ++++++
 src/exchangedb/plugin_exchangedb_postgres.c | 26 ++++++++++++++++++++++++++
 3 files changed, 38 insertions(+)

(limited to 'src/exchangedb')

diff --git a/src/exchangedb/exchangedb_denomkeys.c b/src/exchangedb/exchangedb_denomkeys.c
index 5ff3b5c51..d23f8f2f0 100644
--- a/src/exchangedb/exchangedb_denomkeys.c
+++ b/src/exchangedb/exchangedb_denomkeys.c
@@ -151,6 +151,12 @@ TALER_EXCHANGEDB_denomination_key_read (const char *filename,
           data,
           offset);
   GNUNET_free (data);
+  if (0 == GNUNET_TIME_absolute_get_remaining
+      (GNUNET_TIME_absolute_ntoh (dki->issue.properties.expire_withdraw)).rel_value_us)
+  {
+    /* FIXME: #5536: we should delete this file, the
+       private key is no longer needed (and return SYSERR!) */
+  }
   return GNUNET_OK;
 }
 
diff --git a/src/exchangedb/exchangedb_signkeys.c b/src/exchangedb/exchangedb_signkeys.c
index 866bf4d3d..3c9f1630a 100644
--- a/src/exchangedb/exchangedb_signkeys.c
+++ b/src/exchangedb/exchangedb_signkeys.c
@@ -73,6 +73,12 @@ signkeys_iterate_dir_iter (void *cls,
                 (unsigned int) sizeof (struct TALER_EXCHANGEDB_PrivateSigningKeyInformationP));
     return GNUNET_OK;
   }
+  if (0 == GNUNET_TIME_absolute_get_remaining
+      (GNUNET_TIME_absolute_ntoh (issue.issue.expire)).rel_value_us)
+  {
+    /* FIXME: #5536: we should delete this file, the
+       private key is no longer needed (and return SYSERR!) */
+  }
   return skc->it (skc->it_cls,
                   filename,
                   &issue);
diff --git a/src/exchangedb/plugin_exchangedb_postgres.c b/src/exchangedb/plugin_exchangedb_postgres.c
index 2ce865ae3..c399aeeb5 100644
--- a/src/exchangedb/plugin_exchangedb_postgres.c
+++ b/src/exchangedb/plugin_exchangedb_postgres.c
@@ -1980,6 +1980,31 @@ postgres_get_denomination_info (void *cls,
 }
 
 
+/**
+ * Fetch information about all known denomination keys.
+ *
+ * @param cls the @e cls of this struct with the plugin-specific state
+ * @param cb function to call on each denomination key
+ * @param cb_cls closure for @a cb
+ * @return transaction status code
+ */
+static enum GNUNET_DB_QueryStatus
+postgres_iterate_denomination_info (void *cls,
+                                    TALER_EXCHANGEDB_DenominationInfoIterator cb,
+                                    void *cb_cls)
+{
+#if 0
+  enum GNUNET_DB_QueryStatus qs;
+  struct GNUNET_PQ_QueryParam params[] = {
+    GNUNET_PQ_query_param_end
+  };
+#endif
+
+  GNUNET_break (0); // not implemented! #5536
+  return GNUNET_DB_STATUS_HARD_ERROR;
+}
+
+
 /**
  * Get the summary of a reserve.
  *
@@ -7099,6 +7124,7 @@ libtaler_plugin_exchangedb_postgres_init (void *cls)
   plugin->rollback = &postgres_rollback;
   plugin->insert_denomination_info = &postgres_insert_denomination_info;
   plugin->get_denomination_info = &postgres_get_denomination_info;
+  plugin->iterate_denomination_info = &postgres_iterate_denomination_info;
   plugin->reserve_get = &postgres_reserve_get;
   plugin->reserves_in_insert = &postgres_reserves_in_insert;
   plugin->get_latest_reserve_in_reference = &postgres_get_latest_reserve_in_reference;
-- 
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