Bugfix: make CreateNewBlock return pindexPrev

1 files changed, 8 insertions, 8 deletions

diff --git a/src/miner.cpp b/src/miner.cpp
index fdbc47a1c3..7f01918eef 100644
--- a/src/miner.cpp
+++ b/src/miner.cpp
@@ -87,7 +87,7 @@ void UpdateTime(CBlockHeader* pblock, const CBlockIndex* pindexPrev)
         pblock->nBits = GetNextWorkRequired(pindexPrev, pblock, Params().GetConsensus());
 }
 
-CBlockTemplate* CreateNewBlock(const CScript& scriptPubKeyIn)
+CBlockTemplate* CreateNewBlock(const CScript& scriptPubKeyIn, CBlockIndex*& pindexPrev)
 {
     // Create new block
     auto_ptr<CBlockTemplate> pblocktemplate(new CBlockTemplate());
@@ -132,7 +132,7 @@ CBlockTemplate* CreateNewBlock(const CScript& scriptPubKeyIn)
 
     {
         LOCK2(cs_main, mempool.cs);
-        CBlockIndex* pindexPrev = chainActive.Tip();
+        pindexPrev = chainActive.Tip();
         const int nHeight = pindexPrev->nHeight + 1;
         CCoinsViewCache view(pcoinsTip);
 
@@ -385,14 +385,14 @@ bool static ScanHash(CBlockHeader *pblock, uint256 *phash)
     }
 }
 
-CBlockTemplate* CreateNewBlockWithKey(CReserveKey& reservekey)
+CBlockTemplate* CreateNewBlockWithKey(CReserveKey& reservekey, CBlockIndex*& pindexPrev)
 {
     CPubKey pubkey;
     if (!reservekey.GetReservedKey(pubkey))
         return NULL;
 
     CScript scriptPubKey = CScript() << ToByteVector(pubkey) << OP_CHECKSIG;
-    return CreateNewBlock(scriptPubKey);
+    return CreateNewBlock(scriptPubKey, pindexPrev);
 }
 
 static bool ProcessBlockFound(CBlock* pblock, CWallet& wallet, CReserveKey& reservekey)
@@ -452,9 +452,9 @@ bool MineBlock(CWallet *pwallet, uint256& hash)
     unsigned int nExtraNonce = 0;
 
     while (true) {
-        CBlockIndex *pindexPrev = chainActive.Tip(); // Actually needs cs_main...
+        CBlockIndex *pindexPrev;
 
-        auto_ptr<CBlockTemplate> pblocktemplate(CreateNewBlockWithKey(reservekey));
+        auto_ptr<CBlockTemplate> pblocktemplate(CreateNewBlockWithKey(reservekey, pindexPrev));
         if (!pblocktemplate.get()) {
             return false;
         }
@@ -497,9 +497,9 @@ void static BitcoinMiner(CWallet *pwallet)
             // Create new block
             //
             unsigned int nTransactionsUpdatedLast = mempool.GetTransactionsUpdated();
-            CBlockIndex* pindexPrev = chainActive.Tip(); // Actually needs cs_main...
+            CBlockIndex* pindexPrev;
 
-            auto_ptr<CBlockTemplate> pblocktemplate(CreateNewBlockWithKey(reservekey));
+            auto_ptr<CBlockTemplate> pblocktemplate(CreateNewBlockWithKey(reservekey, pindexPrev));
             if (!pblocktemplate.get())
             {
                 LogPrintf("Error in BitcoinMiner: Keypool ran out, please call keypoolrefill before restarting the mining thread\n");