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-rw-r--r--src/miner.cpp17
-rw-r--r--src/miner.h2
2 files changed, 14 insertions, 5 deletions
diff --git a/src/miner.cpp b/src/miner.cpp
index 7a57b42e30..693e04dec2 100644
--- a/src/miner.cpp
+++ b/src/miner.cpp
@@ -81,13 +81,19 @@ public:
}
};
-void UpdateTime(CBlockHeader* pblock, const Consensus::Params& consensusParams, const CBlockIndex* pindexPrev)
+int64_t UpdateTime(CBlockHeader* pblock, const Consensus::Params& consensusParams, const CBlockIndex* pindexPrev)
{
- pblock->nTime = std::max(pindexPrev->GetMedianTimePast()+1, GetAdjustedTime());
+ int64_t nOldTime = pblock->nTime;
+ int64_t nNewTime = std::max(pindexPrev->GetMedianTimePast()+1, GetAdjustedTime());
+
+ if (nOldTime < nNewTime)
+ pblock->nTime = nNewTime;
// Updating time can change work required on testnet:
if (consensusParams.fPowAllowMinDifficultyBlocks)
pblock->nBits = GetNextWorkRequired(pindexPrev, pblock, consensusParams);
+
+ return nNewTime - nOldTime;
}
CBlockTemplate* CreateNewBlock(const CScript& scriptPubKeyIn)
@@ -138,6 +144,7 @@ CBlockTemplate* CreateNewBlock(const CScript& scriptPubKeyIn)
LOCK2(cs_main, mempool.cs);
CBlockIndex* pindexPrev = chainActive.Tip();
const int nHeight = pindexPrev->nHeight + 1;
+ pblock->nTime = GetAdjustedTime();
CCoinsViewCache view(pcoinsTip);
// Priority order to process transactions
@@ -152,7 +159,7 @@ CBlockTemplate* CreateNewBlock(const CScript& scriptPubKeyIn)
mi != mempool.mapTx.end(); ++mi)
{
const CTransaction& tx = mi->second.GetTx();
- if (tx.IsCoinBase() || !IsFinalTx(tx, nHeight))
+ if (tx.IsCoinBase() || !IsFinalTx(tx, nHeight, pblock->nTime))
continue;
COrphan* porphan = NULL;
@@ -529,7 +536,9 @@ void static BitcoinMiner(CWallet *pwallet)
break;
// Update nTime every few seconds
- UpdateTime(pblock, chainparams.GetConsensus(), pindexPrev);
+ if (UpdateTime(pblock, chainparams.GetConsensus(), pindexPrev) < 0)
+ break; // Recreate the block if the clock has run backwards,
+ // so that we can use the correct time.
if (chainparams.GetConsensus().fPowAllowMinDifficultyBlocks)
{
// Changing pblock->nTime can change work required on testnet:
diff --git a/src/miner.h b/src/miner.h
index 96a6b70ecd..d46f4b1f2d 100644
--- a/src/miner.h
+++ b/src/miner.h
@@ -30,6 +30,6 @@ CBlockTemplate* CreateNewBlock(const CScript& scriptPubKeyIn);
CBlockTemplate* CreateNewBlockWithKey(CReserveKey& reservekey);
/** Modify the extranonce in a block */
void IncrementExtraNonce(CBlock* pblock, CBlockIndex* pindexPrev, unsigned int& nExtraNonce);
-void UpdateTime(CBlockHeader* pblock, const Consensus::Params& consensusParams, const CBlockIndex* pindexPrev);
+int64_t UpdateTime(CBlockHeader* pblock, const Consensus::Params& consensusParams, const CBlockIndex* pindexPrev);
#endif // BITCOIN_MINER_H