Add abstraction: TALER_merchant_contract_sign

Additionally, this change removes ‘struct TALER_ProposalDataPS’
from the public API.

* src/include/taler_crypto_lib.h
  (TALER_merchant_contract_sign): New func decl.

* src/include/taler_signatures.h
  (struct TALER_ProposalDataPS): Delete.

* src/util/merchant_signatures.c
  (struct TALER_ProposalDataPS): Move here from taler_signatures.h.
  (TALER_merchant_contract_sign): New func.

1 files changed, 14 insertions, 0 deletions

diff --git a/src/include/taler_crypto_lib.h b/src/include/taler_crypto_lib.h
index 6be9db9a4..554cb1a26 100644
--- a/src/include/taler_crypto_lib.h
+++ b/src/include/taler_crypto_lib.h
@@ -4601,6 +4601,20 @@ TALER_merchant_pay_verify (
   const struct TALER_MerchantSignatureP *merchant_sig);
 
 
+/**
+ * Sign contract sent by the merchant to the wallet.
+ *
+ * @param h_contract_terms hash of the contract terms
+ * @param merch_priv private key to sign with
+ * @param[out] merch_sig where to write the signature
+ */
+void
+TALER_merchant_contract_sign (
+  const struct TALER_PrivateContractHashP *h_contract_terms,
+  const struct TALER_MerchantPrivateKeyP *merch_priv,
+  struct GNUNET_CRYPTO_EddsaSignature *merch_sig);
+
+
 /* **************** /management/extensions offline signing **************** */
 
 /**