From a3fbc6c6203ef7ded879626ee2fcb689195a7ec1 Mon Sep 17 00:00:00 2001
From: "nicolas.dorier" <nicolas.dorier@gmail.com>
Date: Thu, 18 Jun 2020 11:04:59 +0900
Subject: [PATCH] Do not crash reference implementation if there is no address
 in the bip21

---
 bip-0078.mediawiki | 1 +
 1 file changed, 1 insertion(+)

diff --git a/bip-0078.mediawiki b/bip-0078.mediawiki
index 6a008584..bf75ddfa 100644
--- a/bip-0078.mediawiki
+++ b/bip-0078.mediawiki
@@ -424,6 +424,7 @@ public async Task<PSBT> RequestPayjoin(
     for (int i = 0; i < originalGlobalTx.Outputs.Count; i++)
     {
         if (optionalParameters.DisableOutputSubstitution ||
+            bip21.Address == null ||
             signedPSBT.Outputs[i].ScriptPubKey != bip21.Address.ScriptPubKey)
             ourOutputs.Enqueue((originalGlobalTx.Outputs[i], signedPSBT.Outputs[i]));
     }