From ef5fca8b80dc9d59fdf00c82aa74dfddcef92ce7 Mon Sep 17 00:00:00 2001
From: Jonas Schnelli <jonas.schnelli@include7.ch>
Date: Thu, 4 Jun 2015 21:39:44 +0200
Subject: [PATCH] fix rpcmining/getblocktemplate univalue transition logic
 error

---
 src/rpcmining.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/rpcmining.cpp b/src/rpcmining.cpp
index 76d90a3f7e..8637df660f 100644
--- a/src/rpcmining.cpp
+++ b/src/rpcmining.cpp
@@ -398,7 +398,7 @@ UniValue getblocktemplate(const UniValue& params, bool fHelp)
         if (strMode == "proposal")
         {
             const UniValue& dataval = find_value(oparam, "data");
-            if (dataval.isStr())
+            if (!dataval.isStr())
                 throw JSONRPCError(RPC_TYPE_ERROR, "Missing data String key for proposal");
 
             CBlock block;