From e22dcecc66b9915b6e1aafbcdc0e72e91248681c Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Sat, 9 Nov 2019 14:09:15 +0100
Subject: add version

---
 src/backend/taler-merchant-httpd_config.c | 23 +++++++++++++++++++++--
 src/lib/test_merchant_api.c               |  3 ++-
 2 files changed, 23 insertions(+), 3 deletions(-)

(limited to 'src')

diff --git a/src/backend/taler-merchant-httpd_config.c b/src/backend/taler-merchant-httpd_config.c
index 8af84e91..35b7657b 100644
--- a/src/backend/taler-merchant-httpd_config.c
+++ b/src/backend/taler-merchant-httpd_config.c
@@ -31,6 +31,24 @@
 #include "taler-merchant-httpd_tip-reserve-helper.h"
 
 
+/**
+ * Taler protocol version in the format CURRENT:REVISION:AGE
+ * as used by GNU libtool.  See
+ * https://www.gnu.org/software/libtool/manual/html_node/Libtool-versioning.html
+ *
+ * Please be very careful when updating and follow
+ * https://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html#Updating-version-info
+ * precisely.  Note that this version has NOTHING to do with the
+ * release version, and the format is NOT the same that semantic
+ * versioning uses either.
+ *
+ * When changing this version, you likely want to also update
+ * #TALER_PROTOCOL_CURRENT and #TALER_PROTOCOL_AGE in
+ * TBD.c! // FIXME: update comment once libtalermerchant looks at version!
+ */
+#define TALER_PROTOCOL_VERSION "0:0:0"
+
+
 /**
  * Handle a "/config" request.
  *
@@ -52,8 +70,9 @@ MH_handler_config (struct TMH_RequestHandler *rh,
 {
   return TMH_RESPONSE_reply_json_pack (connection,
                                        MHD_HTTP_OK,
-                                       "{s:s}",
-                                       "currency", TMH_currency);
+                                       "{s:s, s:s}",
+                                       "currency", TMH_currency,
+                                       "version", TALER_PROTOCOL_VERSION);
 }
 
 
diff --git a/src/lib/test_merchant_api.c b/src/lib/test_merchant_api.c
index 165a9d71..56cbb207 100644
--- a/src/lib/test_merchant_api.c
+++ b/src/lib/test_merchant_api.c
@@ -1091,7 +1091,8 @@ main (int argc,
   case GNUNET_OK:
 
     if (NULL == (merchantd =
-                   TALER_TESTING_run_merchant (CONFIG_FILE, merchant_url)))
+                   TALER_TESTING_run_merchant (CONFIG_FILE,
+                                               merchant_url)))
       return 1;
 
     ret = TALER_TESTING_setup_with_exchange (&run,
-- 
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