[GNUnet-SVN] [taler-exchange] branch master updated: add version to keydata returned by libtalerexchange (#5035)

[gnunet]

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grothoff pushed a commit to branch master
in repository exchange.

The following commit(s) were added to refs/heads/master by this push:
     new b217058  add version to keydata returned by libtalerexchange (#5035)
b217058 is described below

commit b21705882156f73c6623f76b719fcaadc3d26555
Author: Christian Grothoff <address@hidden>
AuthorDate: Thu Jun 1 23:00:06 2017 +0200

    add version to keydata returned by libtalerexchange (#5035)
---
 src/exchange-lib/exchange_api_handle.c | 6 ++++++
 src/include/taler_exchange_service.h   | 8 ++++++++
 2 files changed, 14 insertions(+)

diff --git a/src/exchange-lib/exchange_api_handle.c 
b/src/exchange-lib/exchange_api_handle.c
index 1caa696..6ed868f 100644
--- a/src/exchange-lib/exchange_api_handle.c
+++ b/src/exchange-lib/exchange_api_handle.c
@@ -503,7 +503,10 @@ decode_keys_json (const json_t *resp_obj,
   hash_context = GNUNET_CRYPTO_hash_context_start ();
   /* parse the master public key and issue date of the response */
   {
+    const char *ver;
     struct GNUNET_JSON_Specification spec[] = {
+      GNUNET_JSON_spec_string ("version",
+                               &ver),
       GNUNET_JSON_spec_fixed_auto ("master_public_key",
                                    &key_data->master_pub),
       GNUNET_JSON_spec_fixed_auto ("eddsa_sig",
@@ -519,6 +522,7 @@ decode_keys_json (const json_t *resp_obj,
             GNUNET_JSON_parse (resp_obj,
                                spec,
                                NULL, NULL));
+    key_data->version = GNUNET_strdup (ver);
   }
 
   /* parse the signing keys */
@@ -643,6 +647,8 @@ free_key_data (struct TALER_EXCHANGE_Keys *key_data)
   GNUNET_array_grow (key_data->auditors,
                      key_data->num_auditors,
                      0);
+  GNUNET_free_non_null (key_data->version);
+  key_data->version = NULL;
 }
 
 
diff --git a/src/include/taler_exchange_service.h 
b/src/include/taler_exchange_service.h
index 20f9899..b60b97e 100644
--- a/src/include/taler_exchange_service.h
+++ b/src/include/taler_exchange_service.h
@@ -198,6 +198,14 @@ struct TALER_EXCHANGE_Keys
   struct TALER_EXCHANGE_AuditorInformation *auditors;
 
   /**
+   * Supported Taler protocol version by the exchange.
+   * String in the format current:revision:age using the
+   * semantics of GNU libtool.  See
+   * 
https://www.gnu.org/software/libtool/manual/html_node/Versioning.html#Versioning
+   */
+  char *version;
+
+  /**
    * Length of the @e sign_keys array.
    */
   unsigned int num_sign_keys;

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