From ed51946442e5e22a7dea68f14ff2bf563503c755 Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Mon, 19 Jan 2015 21:53:23 +0100
Subject: more code refactoring to separate parsing, db and response generation
 nicely

---
 src/util/json.c | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

(limited to 'src/util/json.c')

diff --git a/src/util/json.c b/src/util/json.c
index 269e6cf26..d66c95c43 100644
--- a/src/util/json.c
+++ b/src/util/json.c
@@ -90,6 +90,34 @@ TALER_JSON_from_abs (struct GNUNET_TIME_Absolute stamp)
 }
 
 
+/**
+ * Convert a signature (with purpose) to a JSON object representation.
+ *
+ * @param purpose purpose of the signature
+ * @param signature the signature
+ * @return the JSON reporesentation of the signature with purpose
+ */
+json_t *
+TALER_JSON_from_sig (const struct GNUNET_CRYPTO_EccSignaturePurpose *purpose,
+                     const struct GNUNET_CRYPTO_EddsaSignature *signature)
+{
+  json_t *root;
+  json_t *el;
+
+  root = json_object ();
+
+  el = json_integer ((json_int_t) ntohl (purpose->size));
+  json_object_set_new (root, "size", el);
+
+  el = json_integer ((json_int_t) ntohl (purpose->purpose));
+  json_object_set_new (root, "purpose", el);
+
+  el = TALER_JSON_from_data (signature, sizeof (struct GNUNET_CRYPTO_EddsaSignature));
+  json_object_set_new (root, "sig", el);
+
+  return root;
+}
+
 
 /**
  * Convert binary data to a JSON string
-- 
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