Clean up mining CReserveKey to prevent crash at shutdown

Fixes issue#2687

1 files changed, 3 insertions, 6 deletions

diff --git a/src/rpcmining.cpp b/src/rpcmining.cpp
index fddda8b5f..b8b745963 100644
--- a/src/rpcmining.cpp
+++ b/src/rpcmining.cpp
@@ -104,7 +104,6 @@ Value getwork(const Array& params, bool fHelp)
     typedef map<uint256, pair<CBlock*, CScript> > mapNewBlock_t;
     static mapNewBlock_t mapNewBlock;    // FIXME: thread safety
     static vector<CBlockTemplate*> vNewBlockTemplate;
-    static CReserveKey reservekey(pwalletMain);
 
     if (params.size() == 0)
     {
@@ -134,7 +133,7 @@ Value getwork(const Array& params, bool fHelp)
             nStart = GetTime();
 
             // Create new block
-            pblocktemplate = CreateNewBlock(reservekey);
+            pblocktemplate = CreateNewBlock(*pMiningKey);
             if (!pblocktemplate)
                 throw JSONRPCError(RPC_OUT_OF_MEMORY, "Out of memory");
             vNewBlockTemplate.push_back(pblocktemplate);
@@ -192,7 +191,7 @@ Value getwork(const Array& params, bool fHelp)
         pblock->vtx[0].vin[0].scriptSig = mapNewBlock[pdata->hashMerkleRoot].second;
         pblock->hashMerkleRoot = pblock->BuildMerkleTree();
 
-        return CheckWork(pblock, *pwalletMain, reservekey);
+        return CheckWork(pblock, *pwalletMain, *pMiningKey);
     }
 }
 
@@ -243,8 +242,6 @@ Value getblocktemplate(const Array& params, bool fHelp)
     if (IsInitialBlockDownload())
         throw JSONRPCError(RPC_CLIENT_IN_INITIAL_DOWNLOAD, "Bitcoin is downloading blocks...");
 
-    static CReserveKey reservekey(pwalletMain);
-
     // Update block
     static unsigned int nTransactionsUpdatedLast;
     static CBlockIndex* pindexPrev;
@@ -267,7 +264,7 @@ Value getblocktemplate(const Array& params, bool fHelp)
             delete pblocktemplate;
             pblocktemplate = NULL;
         }
-        pblocktemplate = CreateNewBlock(reservekey);
+        pblocktemplate = CreateNewBlock(*pMiningKey);
         if (!pblocktemplate)
             throw JSONRPCError(RPC_OUT_OF_MEMORY, "Out of memory");