From 41e3c1ecbf0c437f58be3084a9401aa71c515a62 Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Mon, 14 Nov 2022 06:43:21 +0100
Subject: implement batch operation in handlers

---
 .../taler-exchange-httpd_refreshes_reveal.c        | 24 ++++++++++++----------
 1 file changed, 13 insertions(+), 11 deletions(-)

(limited to 'src/exchange/taler-exchange-httpd_refreshes_reveal.c')

diff --git a/src/exchange/taler-exchange-httpd_refreshes_reveal.c b/src/exchange/taler-exchange-httpd_refreshes_reveal.c
index 56848d581..08a85265c 100644
--- a/src/exchange/taler-exchange-httpd_refreshes_reveal.c
+++ b/src/exchange/taler-exchange-httpd_refreshes_reveal.c
@@ -750,20 +750,21 @@ clean_age:
               (unsigned int) rctx->num_fresh_coins);
 
   /* create fresh coin signatures */
-  for (unsigned int i = 0; i<rctx->num_fresh_coins; i++)
   {
+    struct TEH_CoinSignData csds[rctx->num_fresh_coins];
+    struct TALER_BlindedDenominationSignature bss[rctx->num_fresh_coins];
     enum TALER_ErrorCode ec;
-    struct TEH_CoinSignData csd = {
-      .h_denom_pub = &rrcs[i].h_denom_pub,
-      .bp = &rcds[i].blinded_planchet
-    };
 
-    // FIXME #7272: replace with a batch call that
-    // passes all coins in once go!
-    ec = TEH_keys_denomination_sign (
-      &csd,
+    for (unsigned int i = 0; i<rctx->num_fresh_coins; i++)
+    {
+      csds[i].h_denom_pub = &rrcs[i].h_denom_pub;
+      csds[i].bp = &rcds[i].blinded_planchet;
+    }
+    ec = TEH_keys_denomination_batch_sign (
+      csds,
+      rctx->num_fresh_coins,
       true,
-      &rrcs[i].coin_sig);
+      bss);
     if (TALER_EC_NONE != ec)
     {
       GNUNET_break (0);
@@ -772,8 +773,9 @@ clean_age:
                                      NULL);
       goto cleanup;
     }
+    for (unsigned int i = 0; i<rctx->num_fresh_coins; i++)
+      rrcs[i].coin_sig = bss[i];
   }
-
   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
               "Signatures ready, starting DB interaction\n");
 
-- 
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