3 files changed, 81 insertions, 5 deletions
diff --git a/src/include/taler_crypto_lib.h b/src/include/taler_crypto_lib.h
index 185c29a14..561f2bd0a 100644
--- a/src/include/taler_crypto_lib.h
+++ b/src/include/taler_crypto_lib.h
@@ -624,6 +624,33 @@ struct TALER_TrackTransferDetails
 
 
 /**
+ * Free internals of @a denom_pub, but not @a denom_pub itself.
+ *
+ * @param[in] denom_pub key to free
+ */
+void
+TALER_denom_pub_free (struct TALER_DenominationPublicKey *denom_pub);
+
+
+/**
+ * Free internals of @a denom_priv, but not @a denom_priv itself.
+ *
+ * @param[in] denom_priv key to free
+ */
+void
+TALER_denom_priv_free (struct TALER_DenominationPrivateKey *denom_priv);
+
+
+/**
+ * Free internals of @a denom_sig, but not @a denom_sig itself.
+ *
+ * @param[in] denom_sig signature to free
+ */
+void
+TALER_denom_sig_free (struct TALER_DenominationSignature *denom_sig);
+
+
+/**
  * Compute the hash of the given @a denom_pub.
  *
  * @param denom_pub public key to hash
diff --git a/src/include/taler_exchangedb_plugin.h b/src/include/taler_exchangedb_plugin.h
index 83040dbe6..8b01ee650 100644
--- a/src/include/taler_exchangedb_plugin.h
+++ b/src/include/taler_exchangedb_plugin.h
@@ -1969,7 +1969,7 @@ typedef enum GNUNET_GenericReturnValue
   struct GNUNET_TIME_Absolute timestamp,
   const struct TALER_Amount *amount,
   const struct TALER_CoinSpendPublicKeyP *old_coin_pub,
-  const struct TLAER_DenominationHash *old_denom_pub_hash,
+  const struct TALER_DenominationHash *old_denom_pub_hash,
   const struct TALER_CoinPublicInfo *coin,
   const struct TALER_DenominationPublicKey *denom_pub,
   const struct TALER_CoinSpendSignatureP *coin_sig,
diff --git a/src/include/taler_pq_lib.h b/src/include/taler_pq_lib.h
index 4545b6d5d..07057722a 100644
--- a/src/include/taler_pq_lib.h
+++ b/src/include/taler_pq_lib.h
@@ -41,10 +41,10 @@ TALER_PQ_query_param_amount_nbo (const struct TALER_AmountNBO *x);
 
 
 /**
- * Generate query parameter for a currency, consisting of the three
- * components "value", "fraction" and "currency" in this order. The
- * types must be a 64-bit integer, 32-bit integer and a
- * #TALER_CURRENCY_LEN-sized BLOB/VARCHAR respectively.
+ * Generate query parameter for an amount, consisting of the two
+ * components "value" and "fraction" in this order. The
+ * types must be a 64-bit integer and a 32-bit integer
+ * respectively. The currency is dropped.
  *
  * @param x pointer to the query parameter to pass
  */
@@ -53,6 +53,31 @@ TALER_PQ_query_param_amount (const struct TALER_Amount *x);
 
 
 /**
+ * Generate query parameter for a denomination public
+ * key. Internally, the various attributes of the
+ * public key will be serialized into on variable-size
+ * BLOB.
+ *
+ * @param x pointer to the query parameter to pass
+ */
+struct GNUNET_PQ_QueryParam
+TALER_PQ_query_param_denom_pub (
+  const struct TALER_DenominationPublicKey *denom_pub);
+
+
+/**
+ * Generate query parameter for a denomination signature.  Internally, the
+ * various attributes of the signature will be serialized into on
+ * variable-size BLOB.
+ *
+ * @param x pointer to the query parameter to pass
+ */
+struct GNUNET_PQ_QueryParam
+TALER_PQ_query_param_denom_sig (
+  const struct TALER_DenominationSignature *denom_sig);
+
+
+/**
  * Generate query parameter for a JSON object (stored as a string
  * in the DB).  Note that @a x must really be a JSON object or array,
  * passing just a value (string, integer) is not supported and will
@@ -120,6 +145,30 @@ TALER_PQ_result_spec_amount (const char *name,
 
 
 /**
+ * Denomination public key expected.
+ *
+ * @param name name of the field in the table
+ * @param[out] denom_pub where to store the public key
+ * @return array entry for the result specification to use
+ */
+struct GNUNET_PQ_ResultSpec
+TALER_PQ_result_spec_denom_pub (const char *name,
+                                struct TALER_DenominationPublicKey *denom_pub);
+
+
+/**
+ * Denomination signature expected.
+ *
+ * @param name name of the field in the table
+ * @param[out] denom_sig where to store the denomination signature
+ * @return array entry for the result specification to use
+ */
+struct GNUNET_PQ_ResultSpec
+TALER_PQ_result_spec_denom_sig (const char *name,
+                                struct TALER_DenominationSignature *denom_sig);
+
+
+/**
  * json_t expected.
  *
  * @param name name of the field in the table