From dd49e92fb0cae0dcdf0b2ea303da99c7814db473 Mon Sep 17 00:00:00 2001
From: Julian Haight <github@a.julianhaight.com>
Date: Wed, 2 Jul 2014 09:42:15 +0200
Subject: [PATCH] qt: fix 'opens in testnet mode when presented with a BIP-72
 link with no fallback'

Passes tests:

```
$ ./bitcoin-qt 'bitcoin:?r=http://www.example.com/'
.. fixed the original problem - this launches mainnet.

$ ./bitcoin-qt 'bitcoin:mngeNQbTKnmaMbx8EXCYdwUbnt9JJD52cC'
.. launches testnet

$ ./bitcoin-qt -testnet 'bitcoin:1NXXeQRyMFFFRfyUix2o7mk1vhvk2Nxp78'
.. sanity check - launches mainnet.
```

Fixes #4355. Closes #4411.
---
 src/qt/paymentserver.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/qt/paymentserver.cpp b/src/qt/paymentserver.cpp
index 2049d6507..6ca90f051 100644
--- a/src/qt/paymentserver.cpp
+++ b/src/qt/paymentserver.cpp
@@ -195,7 +195,7 @@ bool PaymentServer::ipcParseCommandLine(int argc, char* argv[])
             savedPaymentRequests.append(arg);
 
             SendCoinsRecipient r;
-            if (GUIUtil::parseBitcoinURI(arg, &r))
+            if (GUIUtil::parseBitcoinURI(arg, &r) && !r.address.isEmpty())
             {
                 CBitcoinAddress address(r.address.toStdString());