remove more functions

1 files changed, 179 insertions, 0 deletions

diff --git a/src/exchangedb/pg_iterate_denominations.c b/src/exchangedb/pg_iterate_denominations.c
new file mode 100644
index 000000000..d8a91f558
--- /dev/null
+++ b/src/exchangedb/pg_iterate_denominations.c
@@ -0,0 +1,179 @@
+/*
+   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_denominations.c
+ * @brief Implementation of the iterate_denominations 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_denominations.h"
+#include "pg_helper.h"
+
+
+
+
+/**
+ * Closure for #dominations_cb_helper()
+ */
+struct DenomsIteratorContext
+{
+  /**
+   * Function to call with the results.
+   */
+  TALER_EXCHANGEDB_DenominationsCallback cb;
+
+  /**
+   * Closure to pass to @e cb
+   */
+  void *cb_cls;
+
+  /**
+   * Plugin context.
+   */
+  struct PostgresClosure *pg;
+};
+
+
+/**
+ * Helper function for #postgres_iterate_denominations().
+ * Calls the callback with each denomination key.
+ *
+ * @param cls a `struct DenomsIteratorContext`
+ * @param result db results
+ * @param num_results number of results in @a result
+ */
+static void
+dominations_cb_helper (void *cls,
+                       PGresult *result,
+                       unsigned int num_results)
+{
+  struct DenomsIteratorContext *dic = cls;
+  struct PostgresClosure *pg = dic->pg;
+
+  for (unsigned int i = 0; i<num_results; i++)
+  {
+    struct TALER_EXCHANGEDB_DenominationKeyMetaData meta = {0};
+    struct TALER_DenominationPublicKey denom_pub = {0};
+    struct TALER_MasterSignatureP master_sig = {0};
+    struct TALER_DenominationHashP h_denom_pub = {0};
+    bool revoked;
+    struct GNUNET_PQ_ResultSpec rs[] = {
+      GNUNET_PQ_result_spec_auto_from_type ("master_sig",
+                                            &master_sig),
+      GNUNET_PQ_result_spec_bool ("revoked",
+                                  &revoked),
+      GNUNET_PQ_result_spec_timestamp ("valid_from",
+                                       &meta.start),
+      GNUNET_PQ_result_spec_timestamp ("expire_withdraw",
+                                       &meta.expire_withdraw),
+      GNUNET_PQ_result_spec_timestamp ("expire_deposit",
+                                       &meta.expire_deposit),
+      GNUNET_PQ_result_spec_timestamp ("expire_legal",
+                                       &meta.expire_legal),
+      TALER_PQ_RESULT_SPEC_AMOUNT ("coin",
+                                   &meta.value),
+      TALER_PQ_RESULT_SPEC_AMOUNT ("fee_withdraw",
+                                   &meta.fees.withdraw),
+      TALER_PQ_RESULT_SPEC_AMOUNT ("fee_deposit",
+                                   &meta.fees.deposit),
+      TALER_PQ_RESULT_SPEC_AMOUNT ("fee_refresh",
+                                   &meta.fees.refresh),
+      TALER_PQ_RESULT_SPEC_AMOUNT ("fee_refund",
+                                   &meta.fees.refund),
+      TALER_PQ_result_spec_denom_pub ("denom_pub",
+                                      &denom_pub),
+      GNUNET_PQ_result_spec_uint32 ("age_mask",
+                                    &meta.age_mask.bits),
+      GNUNET_PQ_result_spec_end
+    };
+
+    if (GNUNET_OK !=
+        GNUNET_PQ_extract_result (result,
+                                  rs,
+                                  i))
+    {
+      GNUNET_break (0);
+      return;
+    }
+
+    /* make sure the mask information is the same */
+    denom_pub.age_mask = meta.age_mask;
+
+    TALER_denom_pub_hash (&denom_pub,
+                          &h_denom_pub);
+    dic->cb (dic->cb_cls,
+             &denom_pub,
+             &h_denom_pub,
+             &meta,
+             &master_sig,
+             revoked);
+    GNUNET_PQ_cleanup_result (rs);
+  }
+}
+
+
+enum GNUNET_DB_QueryStatus
+TEH_PG_iterate_denominations (void *cls,
+                                TALER_EXCHANGEDB_DenominationsCallback cb,
+                                void *cb_cls)
+{
+  struct PostgresClosure *pg = cls;
+  struct GNUNET_PQ_QueryParam params[] = {
+    GNUNET_PQ_query_param_end
+  };
+  struct DenomsIteratorContext dic = {
+    .cb = cb,
+    .cb_cls = cb_cls,
+    .pg = pg
+  };
+
+    /* Used in #postgres_iterate_denominations() */
+  PREPARE (pg,
+           "select_denominations",
+           "SELECT"
+           " denominations.master_sig"
+           ",denom_revocations_serial_id IS NOT NULL AS revoked"
+           ",valid_from"
+           ",expire_withdraw"
+           ",expire_deposit"
+           ",expire_legal"
+           ",coin_val"                                                /* value of this denom */
+           ",coin_frac"                                                /* fractional value of this denom */
+           ",fee_withdraw_val"
+           ",fee_withdraw_frac"
+           ",fee_deposit_val"
+           ",fee_deposit_frac"
+           ",fee_refresh_val"
+           ",fee_refresh_frac"
+           ",fee_refund_val"
+           ",fee_refund_frac"
+           ",denom_type"
+           ",age_mask"
+           ",denom_pub"
+           " FROM denominations"
+           " LEFT JOIN "
+           "   denomination_revocations USING (denominations_serial);");
+
+
+  return GNUNET_PQ_eval_prepared_multi_select (pg->conn,
+                                               "select_denominations",
+                                               params,
+                                               &dominations_cb_helper,
+                                               &dic);
+}