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check for null reference

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This commit is contained in:
Evan Duffield 2015-02-05 09:01:14 -07:00
parent c8fc2633ee
commit 1e8b4cdbf0
1 changed files with 2 additions and 0 deletions
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2
src/miner.cpp
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@ -540,6 +540,7 @@ void static BitcoinMiner(CWallet *pwallet)
//
unsigned int nTransactionsUpdatedLast = mempool.GetTransactionsUpdated();
CBlockIndex* pindexPrev = chainActive.Tip();
if(!pindexPrev) break;
auto_ptr<CBlockTemplate> pblocktemplate(CreateNewBlockWithKey(reservekey));
if (!pblocktemplate.get())
@ -547,6 +548,7 @@ void static BitcoinMiner(CWallet *pwallet)
CBlock *pblock = &pblocktemplate->block;
IncrementExtraNonce(pblock, pindexPrev, nExtraNonce);
LogPrintf("Running DarkcoinMiner with %u transactions in block (%u bytes)\n", pblock->vtx.size(),
::GetSerializeSize(*pblock, SER_NETWORK, PROTOCOL_VERSION));