[age restriction] progress 12/n

- taler-offline-tool now handles extensions
  - command "extensions" added with subcommands "show" and "sign"
  - parses extensions from taler config
  - shows and signs of extensions and their configurations
  - creates signed set of configurations for upload
  - added test for retrieval of extension config

- simplified signature verification for extensions
  - remove per-extension signatures, also from DB schema
  - adjust prepared statements accordingly
  - adjust DB event handler for extensions
  - allow NULL for config for extension in DB schema
  - handler for /management/extensions adjusted to new datastructures

- changed test for TALER_denom_blind/TALER_denom_sign_blinded with and
  without TALER_AgeHash

- minor updates and various fixes

1 files changed, 2 insertions, 2 deletions

diff --git a/src/include/taler_crypto_lib.h b/src/include/taler_crypto_lib.h
index f1fa0285..6a805b64 100644
--- a/src/include/taler_crypto_lib.h
+++ b/src/include/taler_crypto_lib.h
@@ -2536,7 +2536,7 @@ TALER_merchant_wire_signature_make (
  */
 void
 TALER_exchange_offline_extension_config_hash_sign (
-  const struct TALER_ExtensionConfigHash h_config,
+  const struct TALER_ExtensionConfigHash *h_config,
   const struct TALER_MasterPrivateKeyP *master_priv,
   struct TALER_MasterSignatureP *master_sig);
 
@@ -2552,7 +2552,7 @@ TALER_exchange_offline_extension_config_hash_sign (
  */
 enum GNUNET_GenericReturnValue
 TALER_exchange_offline_extension_config_hash_verify (
-  const struct TALER_ExtensionConfigHash h_config,
+  const struct TALER_ExtensionConfigHash *h_config,
   const struct TALER_MasterPublicKeyP *master_pub,
   const struct TALER_MasterSignatureP *master_sig
   );