From 7d7967ec002a45b95c18d76d56989733e93ec1d8 Mon Sep 17 00:00:00 2001
From: Craig Raw <craigraw@gmail.com>
Date: Tue, 18 Jul 2023 12:25:39 +0200
Subject: [PATCH] improve handling of invalid bip322 signatures

---
 drongo                                                          | 2 +-
 .../com/sparrowwallet/sparrow/control/MessageSignDialog.java    | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drongo b/drongo
index 38b04b8e..e15eb7c7 160000
--- a/drongo
+++ b/drongo
@@ -1 +1 @@
-Subproject commit 38b04b8e0b802f6cd43b4e88730d4d3ed31227fc
+Subproject commit e15eb7c7f36756c35577d61bfd793b2a2502cf93
diff --git a/src/main/java/com/sparrowwallet/sparrow/control/MessageSignDialog.java b/src/main/java/com/sparrowwallet/sparrow/control/MessageSignDialog.java
index 1a851f2d..9853abc5 100644
--- a/src/main/java/com/sparrowwallet/sparrow/control/MessageSignDialog.java
+++ b/src/main/java/com/sparrowwallet/sparrow/control/MessageSignDialog.java
@@ -392,7 +392,7 @@ public class MessageSignDialog extends Dialog<ButtonBar.ButtonData> {
                 }
             }
 
-            if(!verified && Bip322.isSupported(getAddress().getScriptType())) {
+            if(!verified && Bip322.isSupported(getAddress().getScriptType()) && !signature.getText().trim().isEmpty()) {
                 try {
                     verified = Bip322.verifyMessageBip322(getAddress().getScriptType(), getAddress(), message.getText().trim(), signature.getText().trim());
                     if(verified) {