From d45774ccecaed85f45c2eebe641e2d2f8c8673af Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Sun, 1 Aug 2021 15:36:38 +0200
Subject: introduce TALER_JSON_pack_ec

---
 src/include/taler_json_lib.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

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

diff --git a/src/include/taler_json_lib.h b/src/include/taler_json_lib.h
index f338d44ae..ea621cea6 100644
--- a/src/include/taler_json_lib.h
+++ b/src/include/taler_json_lib.h
@@ -79,6 +79,16 @@ TALER_JSON_pack_time_abs_nbo (const char *name,
                               struct GNUNET_TIME_AbsoluteNBO at);
 
 
+/**
+ * Put an error code into a JSON reply, including
+ * both the numeric value and the hint.
+ *
+ * @param ec error code to encode using canonical field names
+ */
+#define TALER_JSON_pack_ec(ec) \
+  GNUNET_JSON_pack_string ("hint", TALER_ErrorCode_get_hint (ec)), \
+  GNUNET_JSON_pack_uint64 ("code", ec)
+
 /**
  * Generate packer instruction for a JSON field of type
  * absolute time creating a human-readable timestamp.
-- 
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