exchange

commit 66b465bfec1d723edd02265650d93641ab68eb3f
parent 46da69710427458d402a55ce617ba28286923dba
Author: Christian Grothoff <grothoff@gnunet.org>
Date:   Sat, 15 Aug 2026 21:19:37 +0200

fetch minimum age to enforce it on purse deposits

Diffstat:
M
src/exchange/taler-exchange-httpd_post-purses-PURSE_PUB-deposit.c
 | 
42
++++++++++++++++++++++++++++++++++++++++++

1 file changed, 42 insertions(+), 0 deletions(-)
diff --git a/src/exchange/taler-exchange-httpd_post-purses-PURSE_PUB-deposit.c b/src/exchange/taler-exchange-httpd_post-purses-PURSE_PUB-deposit.c
@@ -34,6 +34,7 @@
 #include "exchangedb_lib.h"
 #include "taler-exchange-httpd_get-keys.h"
 #include "exchange-database/get_purse.h"
+#include "exchange-database/get_purse_request.h"
 #include "exchange-database/do_purse_deposit.h"
 #include "exchange-database/event_notify.h"
 #include "exchange-database/get_purse_deposit.h"
@@ -435,6 +436,47 @@ TEH_handler_purses_deposit (
     }
   }
 
+  /* Obtain the minimum age required for deposits into this purse;
+     #TALER_EXCHANGEDB_get_purse() does not return it, but we must
+     have it before we check the coins below. */
+  {
+    enum GNUNET_DB_QueryStatus qs;
+    struct TALER_PurseMergePublicKeyP merge_pub;
+    struct GNUNET_TIME_Timestamp purse_expiration;
+    struct TALER_PrivateContractHashP h_contract_terms;
+    struct TALER_Amount target_amount;
+    struct TALER_Amount balance;
+    struct TALER_PurseContractSignatureP purse_sig;
+
+    qs = TALER_EXCHANGEDB_get_purse_request (
+      TEH_pg,
+      pcc.purse_pub,
+      &merge_pub,
+      &purse_expiration,
+      &h_contract_terms,
+      &pcc.min_age,
+      &target_amount,
+      &balance,
+      &purse_sig);
+    switch (qs)
+    {
+    case GNUNET_DB_STATUS_HARD_ERROR:
+    case GNUNET_DB_STATUS_SOFT_ERROR:
+      GNUNET_break (0);
+      return TALER_MHD_reply_with_error (connection,
+                                         MHD_HTTP_INTERNAL_SERVER_ERROR,
+                                         TALER_EC_GENERIC_DB_FETCH_FAILED,
+                                         "select purse request");
+    case GNUNET_DB_STATUS_SUCCESS_NO_RESULTS:
+      return TALER_MHD_reply_with_error (connection,
+                                         MHD_HTTP_NOT_FOUND,
+                                         TALER_EC_EXCHANGE_GENERIC_PURSE_UNKNOWN,
+                                         NULL);
+    case GNUNET_DB_STATUS_SUCCESS_ONE_RESULT:
+      break;
+    }
+  }
+
   /* parse deposits */
   pcc.coins = GNUNET_new_array (pcc.num_coins,
                                 struct TEH_PurseDepositedCoin);