From 59bae2c3373f926ffd89723694a5bcba32e81771 Mon Sep 17 00:00:00 2001
From: Kukks <evilkukka@gmail.com>
Date: Thu, 26 Mar 2020 12:41:32 +0100
Subject: [PATCH] ToHashSet

---
 BTCPayServer/Controllers/WalletsController.PSBT.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/BTCPayServer/Controllers/WalletsController.PSBT.cs b/BTCPayServer/Controllers/WalletsController.PSBT.cs
index 3ef04b66c..d91ff9850 100644
--- a/BTCPayServer/Controllers/WalletsController.PSBT.cs
+++ b/BTCPayServer/Controllers/WalletsController.PSBT.cs
@@ -181,7 +181,7 @@ namespace BTCPayServer.Controllers
                     {
                         //check that all the inputs we provided are still there and that there is at least one new(signed) input.
                         bool valid = false;
-                        var existingInputs = psbt.Inputs.Select(input => input.PrevOut).ToList();
+                        var existingInputs = psbt.Inputs.Select(input => input.PrevOut).ToHashSet();
                         foreach (var input in newPSBT.Inputs)
                         {
                             var existingInput = existingInputs.SingleOrDefault(point => point == input.PrevOut);