From 161850150a5c7e19e3f45fac99bfb80cf7903654 Mon Sep 17 00:00:00 2001
From: Kukks <evilkukka@gmail.com>
Date: Fri, 17 Apr 2020 10:46:29 +0200
Subject: [PATCH] fix p2sh detection input

---
 BTCPayServer/Services/PayjoinClient.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/BTCPayServer/Services/PayjoinClient.cs b/BTCPayServer/Services/PayjoinClient.cs
index 8915a6d24..3e617bdba 100644
--- a/BTCPayServer/Services/PayjoinClient.cs
+++ b/BTCPayServer/Services/PayjoinClient.cs
@@ -34,7 +34,7 @@ namespace BTCPayServer.Services
             if (i.WitnessUtxo.ScriptPubKey.IsScriptType(ScriptType.P2WPKH))
                 return ScriptPubKeyType.Segwit;
             if (i.WitnessUtxo.ScriptPubKey.IsScriptType(ScriptType.P2SH) &&
-                i.FinalScriptWitness.ToScript().IsScriptType(ScriptType.P2WPKH))
+                i.FinalScriptWitness.GetSigner().ScriptPubKey.IsScriptType(ScriptType.P2WPKH))
                 return ScriptPubKeyType.SegwitP2SH;
             return null as ScriptPubKeyType?;
         }