From 5587ac112392a49a5a7779d198b3e38e6f6569c4 Mon Sep 17 00:00:00 2001
From: Christian Grothoff <grothoff@gnunet.org>
Date: Sun, 15 Oct 2023 22:53:33 +0200
Subject: migrate to batch withdraw API

---
 .../taler-merchant-httpd_post-rewards-ID-pickup.c  | 26 +++++++++++++---------
 1 file changed, 15 insertions(+), 11 deletions(-)

diff --git a/src/backend/taler-merchant-httpd_post-rewards-ID-pickup.c b/src/backend/taler-merchant-httpd_post-rewards-ID-pickup.c
index 1a21790d..40eec8ef 100644
--- a/src/backend/taler-merchant-httpd_post-rewards-ID-pickup.c
+++ b/src/backend/taler-merchant-httpd_post-rewards-ID-pickup.c
@@ -78,7 +78,7 @@ struct PlanchetOperation
   /**
    * Withdraw handle (NULL while @e fo is active).
    */
-  struct TALER_EXCHANGE_Withdraw2Handle *w2h;
+  struct TALER_EXCHANGE_BatchWithdraw2Handle *w2h;
 
   /**
    * Details about the planchet for withdrawing.
@@ -241,7 +241,7 @@ stop_operations (struct PickupContext *pc)
     }
     if (NULL != po->w2h)
     {
-      TALER_EXCHANGE_withdraw2_cancel (po->w2h);
+      TALER_EXCHANGE_batch_withdraw2_cancel (po->w2h);
       po->w2h = NULL;
     }
     GNUNET_CONTAINER_DLL_remove (pc->po_head,
@@ -319,7 +319,7 @@ TMH_force_reward_pickup_resume ()
  */
 static void
 withdraw_cb (void *cls,
-             const struct TALER_EXCHANGE_Withdraw2Response *w2r)
+             const struct TALER_EXCHANGE_BatchWithdraw2Response *w2r)
 {
   struct PlanchetOperation *po = cls;
   const struct TALER_EXCHANGE_HttpResponse *hr = &w2r->hr;
@@ -346,10 +346,11 @@ withdraw_cb (void *cls,
     TALER_MHD_daemon_trigger ();   /* we resumed, kick MHD */
     return;
   }
+  GNUNET_assert (1 == w2r->details.ok.blind_sigs_length);
   qs = TMH_db->insert_pickup_blind_signature (TMH_db->cls,
                                               &pc->pickup_id,
                                               po->offset,
-                                              &w2r->details.ok.blind_sig);
+                                              &w2r->details.ok.blind_sigs[0]);
   GNUNET_free (po);
   if (qs < 0)
   {
@@ -412,13 +413,16 @@ do_withdraw (void *cls,
     TALER_MHD_daemon_trigger ();   /* we resumed, kick MHD */
     return;
   }
-  po->w2h = TALER_EXCHANGE_withdraw2 (TMH_curl_ctx,
-                                      pc->exchange_url,
-                                      keys,
-                                      &po->pd,
-                                      &pc->reserve_priv,
-                                      &withdraw_cb,
-                                      po);
+  /* FIXME: actually use *batch* withdraw instead of
+     doing this coin-by-coin non-sense */
+  po->w2h = TALER_EXCHANGE_batch_withdraw2 (TMH_curl_ctx,
+                                            pc->exchange_url,
+                                            keys,
+                                            &pc->reserve_priv,
+                                            1,
+                                            &po->pd,
+                                            &withdraw_cb,
+                                            po);
 }
 
 
-- 
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