From 2205820299eefee6bdedbcb2188cd07e2bc51124 Mon Sep 17 00:00:00 2001
From: blackjok3r <blackjok3r@gmail.com>
Date: Sun, 11 Nov 2018 06:11:19 +0800
Subject: [PATCH] fix

---
 src/rpcmining.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/rpcmining.cpp b/src/rpcmining.cpp
index 7d5b2ebdc..a3d7a5893 100644
--- a/src/rpcmining.cpp
+++ b/src/rpcmining.cpp
@@ -521,6 +521,7 @@ UniValue getblocktemplate(const UniValue& params, bool fHelp)
     UniValue lpval = NullUniValue;
     // TODO: Re-enable coinbasevalue once a specification has been written
     bool coinbasetxn = true;
+    std::string strMode;
     if (params.size() > 0)
     {
         const UniValue& oparam = params[0].get_obj();
@@ -529,7 +530,7 @@ UniValue getblocktemplate(const UniValue& params, bool fHelp)
             strMode = modeval.get_str();
         else if (modeval.isNull())
         {
-            std::string strMode = "template";
+            strMode = "template";
         }
         else
             throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid mode");