exchange

commit 26a20dafcb36935e4d2eb362c1da3ee066fd4899
parent 7041226ef17c846080b0dd95dc825602c0b4928b
Author: Christian Grothoff <grothoff@gnunet.org>
Date:   Mon, 17 Aug 2026 15:13:09 +0200

fix purse balance accounting

Diffstat:
M
src/auditor/taler-helper-auditor-purses.c
 | 
15
+++++++++++++++

1 file changed, 15 insertions(+), 0 deletions(-)
diff --git a/src/auditor/taler-helper-auditor-purses.c b/src/auditor/taler-helper-auditor-purses.c
@@ -1116,6 +1116,21 @@ handle_purse_decision (
   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
               "Deleting purse with decision `%s'\n",
               TALER_B2S (&ps->purse_pub));
+  /* The purse ceases to exist, so the money it held is no longer
+     part of the balance the exchange holds in open purses. */
+  if (0 >
+      TALER_amount_subtract (&TALER_ARL_USE_AB (purse_global_balance),
+                             &TALER_ARL_USE_AB (purse_global_balance),
+                             &ps->balance))
+  {
+    /* Should be impossible: we added this balance to the global
+       balance when we learned about it. */
+    GNUNET_break (0);
+    GNUNET_assert (GNUNET_OK ==
+                   TALER_amount_set_zero (TALER_ARL_currency,
+                                          &TALER_ARL_USE_AB (
+                                            purse_global_balance)));
+  }
   qs = TALER_AUDITORDB_delete_purse_info (TALER_ARL_adb,
                                           purse_pub);
   if (qs < 0)