From fd8af94419f76ea06e8d7d5b953fd44a73065512 Mon Sep 17 00:00:00 2001
From: Amir Taaki <genjix@riseup.net>
Date: Tue, 17 Jul 2012 22:53:06 +0200
Subject: [PATCH] bugfix: signmessage expects 2 arguments. check for them.

---
 electrum | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/electrum b/electrum
index b0997428f..d9278607d 100755
--- a/electrum
+++ b/electrum
@@ -491,6 +491,10 @@ if __name__ == '__main__':
         wallet.update_password(seed, password, new_password)
 
     elif cmd == 'signmessage':
+        if len(args) < 3:
+            print_error("Error: Invalid usage of signmessage.")
+            print known_commands[cmd]
+            sys.exit(1)
         address = args[1]
         message = ' '.join(args[2:])
         if len(args) > 3: