From dbd18a36d5b586b1eaef03214d7f938be6847e8c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=96zg=C3=BCr=20Kesim?= <oec-taler@kesim.org>
Date: Wed, 12 Jan 2022 12:43:56 +0100
Subject: [PATCH] test TALER_denom_blind/TALER_denom_sign_blinded with and
 without TALER_AgeHash

---
 src/exchangedb/test_exchangedb.c | 47 +++++++++++++++++++-------------
 1 file changed, 28 insertions(+), 19 deletions(-)

diff --git a/src/exchangedb/test_exchangedb.c b/src/exchangedb/test_exchangedb.c
index 76c9c6083..6cee225cc 100644
--- a/src/exchangedb/test_exchangedb.c
+++ b/src/exchangedb/test_exchangedb.c
@@ -1469,27 +1469,36 @@ run (void *cls)
   {
     struct TALER_PlanchetDetail pd;
     struct TALER_CoinSpendPublicKeyP coin_pub;
+    struct TALER_AgeHash age_hash;
+    struct TALER_AgeHash *p_ah[2] = {NULL, &age_hash};
 
-    RND_BLK (&coin_pub);
-    TALER_blinding_secret_create (&bks);
-    GNUNET_assert (GNUNET_OK ==
-                   TALER_denom_blind (&dkp->pub,
-                                      &bks,
-                                      NULL, /* FIXME-Oec */
-                                      &coin_pub,
-                                      &c_hash,
-                                      &pd.coin_ev,
-                                      &pd.coin_ev_size));
-    TALER_coin_ev_hash (pd.coin_ev,
-                        pd.coin_ev_size,
-                        &cbc.h_coin_envelope);
-    GNUNET_assert (GNUNET_OK ==
-                   TALER_denom_sign_blinded (&cbc.sig,
-                                             &dkp->priv,
-                                             pd.coin_ev,
-                                             pd.coin_ev_size));
-    GNUNET_free (pd.coin_ev);
+    /* Call TALER_denom_blind()/TALER_denom_sign_blinded() twice, once without
+     * age_hash, once with age_hash */
+    RND_BLK (&age_hash);
+    for (size_t i = 0; i < sizeof(p_ah) / sizeof(p_ah[0]); i++)
+    {
+      RND_BLK (&coin_pub);
+      TALER_blinding_secret_create (&bks);
+      GNUNET_assert (GNUNET_OK ==
+                     TALER_denom_blind (&dkp->pub,
+                                        &bks,
+                                        p_ah[i],
+                                        &coin_pub,
+                                        &c_hash,
+                                        &pd.coin_ev,
+                                        &pd.coin_ev_size));
+      TALER_coin_ev_hash (pd.coin_ev,
+                          pd.coin_ev_size,
+                          &cbc.h_coin_envelope);
+      GNUNET_assert (GNUNET_OK ==
+                     TALER_denom_sign_blinded (&cbc.sig,
+                                               &dkp->priv,
+                                               pd.coin_ev,
+                                               pd.coin_ev_size));
+      GNUNET_free (pd.coin_ev);
+    }
   }
+
   cbc.reserve_pub = reserve_pub;
   cbc.amount_with_fee = value;
   GNUNET_assert (GNUNET_OK ==