From 578a83fa30cb9368d50c9c9fb84001a4a6e9354b Mon Sep 17 00:00:00 2001
From: ThomasV <thomasv@gitorious>
Date: Thu, 27 Aug 2015 08:22:02 +0200
Subject: [PATCH] show error message raised during sign_transaction. see issue
 #1422

---
 lib/wallet.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/wallet.py b/lib/wallet.py
index a927d0e0f..bf6e6c89d 100644
--- a/lib/wallet.py
+++ b/lib/wallet.py
@@ -1023,7 +1023,12 @@ class Abstract_Wallet(object):
         # Sign
         if keypairs:
             tx.sign(keypairs)
+        # Run hook, and raise if error
+        tx.error = None
         run_hook('sign_transaction', tx, password)
+        if tx.error:
+            raise BaseException(tx.error)
+
 
     def sendtx(self, tx):
         # synchronous