From ac462b275300d28f939a9be83c5bd220fbb0d7cd Mon Sep 17 00:00:00 2001
From: Özgür Kesim <oec-taler@kesim.org>
Date: Wed, 26 Jul 2023 04:02:09 +0200
Subject: [pq] Added support for some Taler-specific array types

Added array support for DB-query and -result for
- denomination signatures
- blinded envelope hases
- denomination hashes
---
 src/include/taler_pq_lib.h | 75 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 75 insertions(+)

(limited to 'src/include/taler_pq_lib.h')

diff --git a/src/include/taler_pq_lib.h b/src/include/taler_pq_lib.h
index fdc17ca5..7ea6bef3 100644
--- a/src/include/taler_pq_lib.h
+++ b/src/include/taler_pq_lib.h
@@ -126,6 +126,33 @@ struct GNUNET_PQ_QueryParam
 TALER_PQ_query_param_json (const json_t *x);
 
 
+/**
+ * Generate query parameter for an array of blinded denomination signatures
+ *
+ * @param num number of elements in @e denom_sigs
+ * @param denom_sigs array of blinded denomination signatures
+ * @param db context for the db-connection
+ */
+struct GNUNET_PQ_QueryParam
+TALER_PQ_query_param_array_blinded_denom_sig (
+  size_t num,
+  const struct TALER_BlindedDenominationSignature *denom_sigs,
+  const struct GNUNET_PQ_Context *db
+  );
+
+/**
+ * Generate query parameter for an array of blinded hashes of coin envelopes
+ *
+ * @param num number of elements in @e denom_sigs
+ * @param coin_evs array of blinded hashes of coin envelopes
+ * @param db context for the db-connection
+ */
+struct GNUNET_PQ_QueryParam
+TALER_PQ_query_param_array_blinded_coin_hash (
+  size_t num,
+  const struct TALER_BlindedCoinHashP *coin_evs,
+  const struct GNUNET_PQ_Context *db);
+
 /**
  * Currency amount expected.
  *
@@ -229,6 +256,54 @@ TALER_PQ_result_spec_json (const char *name,
                            json_t **jp);
 
 
+/**
+ * Array of blinded denomination signature expected
+ *
+ * @parma db context of the database connection
+ * @param name name of the field in the table
+ * @param[out] num number of elements in @e denom_sigs
+ * @param[out] denom_sigs where to store the result
+ * @return array entry for the result specification to use
+ */
+struct GNUNET_PQ_ResultSpec
+TALER_PQ_result_spec_array_blinded_denom_sig (
+  const struct GNUNET_PQ_Context *db,
+  const char *name,
+  size_t *num,
+  struct TALER_BlindedDenominationSignature **denom_sigs);
+
+/**
+ * Array of blinded hashes of coin envelopes
+ *
+ * @parma db context of the database connection
+ * @param name name of the field in the table
+ * @param[out] num number of elements in @e denom_sigs
+ * @param[out] h_coin_evs where to store the result
+ * @return array entry for the result specification to use
+ */
+struct GNUNET_PQ_ResultSpec
+TALER_PQ_result_spec_array_blinded_coin_hash (
+  const struct GNUNET_PQ_Context *db,
+  const char *name,
+  size_t *num,
+  struct TALER_BlindedCoinHashP **h_coin_evs);
+
+/**
+ * Array of hashes of denominations
+ *
+ * @parma db context of the database connection
+ * @param name name of the field in the table
+ * @param[out] num number of elements in @e denom_sigs
+ * @param[out] denom_hs where to store the result
+ * @return array entry for the result specification to use
+ */
+struct GNUNET_PQ_ResultSpec
+TALER_PQ_result_spec_array_denom_hash (
+  const struct GNUNET_PQ_Context *db,
+  const char *name,
+  size_t *num,
+  struct TALER_DenominationHashP **denom_hs);
+
 #endif  /* TALER_PQ_LIB_H_ */
 
 /* end of include/taler_pq_lib.h */
-- 
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