From de2fdc2a9a12acfc15d631f3406c2ff1cffa12ec Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Sun, 13 Nov 2022 19:52:09 +0100
Subject: refactor CS derive API in preparation for batch API

---
 src/util/crypto_helper_cs.c | 38 ++++++++++++++++++++++++++++++--------
 1 file changed, 30 insertions(+), 8 deletions(-)

(limited to 'src/util/crypto_helper_cs.c')

diff --git a/src/util/crypto_helper_cs.c b/src/util/crypto_helper_cs.c
index 66ecb26ad..409903b34 100644
--- a/src/util/crypto_helper_cs.c
+++ b/src/util/crypto_helper_cs.c
@@ -853,13 +853,12 @@ more:
 enum TALER_ErrorCode
 TALER_CRYPTO_helper_cs_r_derive_withdraw (
   struct TALER_CRYPTO_CsDenominationHelper *dh,
-  const struct TALER_CsPubHashP *h_cs,
-  const struct TALER_CsNonce *nonce,
+  const struct TALER_CRYPTO_CsDeriveRequest *cdr,
   struct TALER_DenominationCSPublicRPairP *crp)
 {
   return helper_cs_r_derive (dh,
-                             h_cs,
-                             nonce,
+                             cdr->h_cs,
+                             cdr->nonce,
                              false,
                              crp);
 }
@@ -868,18 +867,41 @@ TALER_CRYPTO_helper_cs_r_derive_withdraw (
 enum TALER_ErrorCode
 TALER_CRYPTO_helper_cs_r_derive_melt (
   struct TALER_CRYPTO_CsDenominationHelper *dh,
-  const struct TALER_CsPubHashP *h_cs,
-  const struct TALER_CsNonce *nonce,
+  const struct TALER_CRYPTO_CsDeriveRequest *cdr,
   struct TALER_DenominationCSPublicRPairP *crp)
 {
   return helper_cs_r_derive (dh,
-                             h_cs,
-                             nonce,
+                             cdr->h_cs,
+                             cdr->nonce,
                              true,
                              crp);
 }
 
 
+enum TALER_ErrorCode
+TALER_CRYPTO_helper_cs_batch_sign_melt (
+  struct TALER_CRYPTO_CsDenominationHelper *dh,
+  const struct TALER_CRYPTO_CsSignRequest *reqs,
+  unsigned int reqs_length,
+  struct TALER_BlindedDenominationSignature *bss)
+{
+  GNUNET_break (0); // FIXME
+  return -1;
+}
+
+
+enum TALER_ErrorCode
+TALER_CRYPTO_helper_cs_batch_sign_withdraw (
+  struct TALER_CRYPTO_CsDenominationHelper *dh,
+  const struct TALER_CRYPTO_CsSignRequest *reqs,
+  unsigned int reqs_length,
+  struct TALER_BlindedDenominationSignature *bss)
+{
+  GNUNET_break (0); // FIXME
+  return -1;
+}
+
+
 void
 TALER_CRYPTO_helper_cs_disconnect (
   struct TALER_CRYPTO_CsDenominationHelper *dh)
-- 
cgit v1.2.3