diff options
-rw-r--r-- | src/bitcoinrpc.cpp | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/bitcoinrpc.cpp b/src/bitcoinrpc.cpp index 31ef725d79..05913cd0ff 100644 --- a/src/bitcoinrpc.cpp +++ b/src/bitcoinrpc.cpp @@ -1656,8 +1656,13 @@ Value getwork(const Array& params, bool fHelp) delete pblock; vNewBlock.clear(); } + + // Clear pindexPrev so future getworks make a new block, despite any failures from here on + pindexPrev = NULL; + + // Store the pindexBest used before CreateNewBlock, to avoid races nTransactionsUpdatedLast = nTransactionsUpdated; - pindexPrev = pindexBest; + CBlockIndex* pindexPrevNew = pindexBest; nStart = GetTime(); // Create new block @@ -1665,6 +1670,9 @@ Value getwork(const Array& params, bool fHelp) if (!pblock) throw JSONRPCError(-7, "Out of memory"); vNewBlock.push_back(pblock); + + // Need to update only after we know CreateNewBlock succeeded + pindexPrev = pindexPrevNew; } // Update nTime |