libeufin

commit c64384fdfbe57cb919ead40021f9e5c1f88ad037
parent 6de75405c9be1d5c244326bb046c26e4f2041d83
Author: MS <ms@taler.net>
Date:   Fri,  8 Jul 2022 16:55:58 +0200

detect reserve_pub duplicates

Diffstat:
M
nexus/src/main/kotlin/tech/libeufin/nexus/Taler.kt
 | 
5
+++++

1 file changed, 5 insertions(+), 0 deletions(-)
diff --git a/nexus/src/main/kotlin/tech/libeufin/nexus/Taler.kt b/nexus/src/main/kotlin/tech/libeufin/nexus/Taler.kt
@@ -279,6 +279,11 @@ fun talerFilter(payment: NexusBankTransactionEntity, txDtls: TransactionDetails)
         // FIXME: send back!
         return
     }
+    // Check if reserve_pub was used already
+    val maybeExist = TalerIncomingPaymentEntity.find {
+        TalerIncomingPaymentsTable.reservePublicKey eq reservePub
+    }.firstOrNull()
+    if (maybeExist != null) throw conflict("Reserve pub '$reservePub' was used already")
 
     if (!CryptoUtil.checkValidEddsaPublicKey(reservePub)) {
         // FIXME: send back!