-more refresh CS fixes

src/lib/exchange_api_refresh_common.c

@@ -146,6 +146,14 @@ TALER_EXCHANGE_get_melt_data_ (
       TALER_planchet_blinding_secret_create (fc,
                                              &alg_values[j],
                                              &bks);
+      /* Note: we already did this for the /csr request,
+         so this computation is redundant, and here additionally
+         repeated KAPPA times. Could be avoided with slightly
+         more bookkeeping in the future */
+      TALER_cs_refresh_nonce_derive (
+        ps,
+        j,
+        &pd.blinded_planchet.details.cs_blinded_planchet.nonce);
       if (GNUNET_OK !=
           TALER_planchet_prepare (&md->fresh_pks[j],
                                   &alg_values[j],

src/util/crypto.c

@@ -476,6 +476,11 @@ TALER_refresh_get_commitment (struct TALER_RefreshCommitmentP *rc,
     {
       const struct TALER_RefreshCoinData *rcd = &rce->new_coins[j];
 
+      GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                  "BCH %u/%u %s\n",
+                  i, j,
+                  TALER_B2S (
+                    &rcd->blinded_planchet.details.cs_blinded_planchet));
       TALER_blinded_planchet_hash (&rcd->blinded_planchet,
                                    hash_context);
     }