From e93562b1db69901ce9e64edb5d4d2379dce7c806 Mon Sep 17 00:00:00 2001
From: Kukks <evilkukka@gmail.com>
Date: Wed, 15 Sep 2021 07:27:43 +0200
Subject: [PATCH] Do not publish NewTransactionEvent if GetValidOutputs did not
 match with the network's.

---
 BTCPayServer/Payments/Bitcoin/NBXplorerListener.cs | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/BTCPayServer/Payments/Bitcoin/NBXplorerListener.cs b/BTCPayServer/Payments/Bitcoin/NBXplorerListener.cs
index 04632872e..5179a7a1d 100644
--- a/BTCPayServer/Payments/Bitcoin/NBXplorerListener.cs
+++ b/BTCPayServer/Payments/Bitcoin/NBXplorerListener.cs
@@ -145,8 +145,10 @@ namespace BTCPayServer.Payments.Bitcoin
                                 if (evt.DerivationStrategy != null)
                                 {
                                     wallet.InvalidateCache(evt.DerivationStrategy);
-
-                                    foreach (var output in network.GetValidOutputs(evt))
+                                    var validOutputs = network.GetValidOutputs(evt).ToList();
+                                    if (!validOutputs.Any())
+                                        break;
+                                    foreach (var output in validOutputs)
                                     {
                                         var key = output.Item1.ScriptPubKey.Hash + "#" +
                                                   network.CryptoCode.ToUpperInvariant();