From d3ef9b00ecdc9cc449bea073b1ee54a8dcc6aaf1 Mon Sep 17 00:00:00 2001
From: "Wladimir J. van der Laan" <laanwj@gmail.com>
Date: Wed, 4 Dec 2013 15:30:23 +0100
Subject: Prevent empty transactions from being added to vtxPrev

CWalletTx::AddSupportingTransactions() was adding empty transaction
to vtxPrev in some cases. Skip over these.

Part one of the solution to #3190. This prevents invalid vtxPrev from
entering the wallet, but not current ones being transmitted.
---
 src/wallet.cpp | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/wallet.cpp')

diff --git a/src/wallet.cpp b/src/wallet.cpp
index 14d685d6e2..8b38fc6026 100644
--- a/src/wallet.cpp
+++ b/src/wallet.cpp
@@ -765,6 +765,10 @@ void CWalletTx::AddSupportingTransactions()
                 {
                     tx = *mapWalletPrev[hash];
                 }
+                else
+                {
+                    continue;
+                }
 
                 int nDepth = tx.SetMerkleBranch();
                 vtxPrev.push_back(tx);
-- 
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