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-rw-r--r--src/miner.cpp199
1 files changed, 101 insertions, 98 deletions
diff --git a/src/miner.cpp b/src/miner.cpp
index 2a4f8cfa52..19b4694357 100644
--- a/src/miner.cpp
+++ b/src/miner.cpp
@@ -50,7 +50,6 @@ public:
}
};
-
uint64_t nLastBlockTx = 0;
uint64_t nLastBlockSize = 0;
@@ -59,8 +58,10 @@ typedef boost::tuple<double, CFeeRate, const CTransaction*> TxPriority;
class TxPriorityCompare
{
bool byFee;
+
public:
TxPriorityCompare(bool _byFee) : byFee(_byFee) { }
+
bool operator()(const TxPriority& a, const TxPriority& b)
{
if (byFee)
@@ -115,6 +116,7 @@ CBlockTemplate* CreateNewBlock(const CScript& scriptPubKeyIn)
// Collect memory pool transactions into the block
int64_t nFees = 0;
+
{
LOCK2(cs_main, mempool.cs);
CBlockIndex* pindexPrev = chainActive.Tip();
@@ -270,7 +272,7 @@ CBlockTemplate* CreateNewBlock(const CScript& scriptPubKeyIn)
if (fPrintPriority)
{
LogPrintf("priority %.1f fee %s txid %s\n",
- dPriority, feeRate.ToString(), tx.GetHash().ToString());
+ dPriority, feeRate.ToString(), tx.GetHash().ToString());
}
// Add transactions that depend on this one to the priority queue
@@ -339,7 +341,6 @@ void IncrementExtraNonce(CBlock* pblock, CBlockIndex* pindexPrev, unsigned int&
pblock->hashMerkleRoot = pblock->BuildMerkleTree();
}
-
#ifdef ENABLE_WALLET
//////////////////////////////////////////////////////////////////////////////
//
@@ -354,7 +355,8 @@ int64_t nHPSTimerStart = 0;
// nonce is 0xffff0000 or above, the block is rebuilt and nNonce starts over at
// zero.
//
-bool static ScanHash(const CBlockHeader *pblock, uint32_t& nNonce, uint256 *phash) {
+bool static ScanHash(const CBlockHeader *pblock, uint32_t& nNonce, uint256 *phash)
+{
// Write the first 76 bytes of the block header to a double-SHA256 state.
CHash256 hasher;
CDataStream ss(SER_NETWORK, PROTOCOL_VERSION);
@@ -362,7 +364,7 @@ bool static ScanHash(const CBlockHeader *pblock, uint32_t& nNonce, uint256 *phas
assert(ss.size() == 80);
hasher.Write((unsigned char*)&ss[0], 76);
- for (;;) {
+ while (true) {
nNonce++;
// Write the last 4 bytes of the block header (the nonce) to a copy of
@@ -440,114 +442,115 @@ void static BitcoinMiner(CWallet *pwallet)
CReserveKey reservekey(pwallet);
unsigned int nExtraNonce = 0;
- try { while (true) {
- if (Params().MiningRequiresPeers()) {
- // Busy-wait for the network to come online so we don't waste time mining
- // on an obsolete chain. In regtest mode we expect to fly solo.
- while (vNodes.empty())
- MilliSleep(1000);
- }
-
- //
- // Create new block
- //
- unsigned int nTransactionsUpdatedLast = mempool.GetTransactionsUpdated();
- CBlockIndex* pindexPrev = chainActive.Tip();
-
- auto_ptr<CBlockTemplate> pblocktemplate(CreateNewBlockWithKey(reservekey));
- if (!pblocktemplate.get())
- return;
- CBlock *pblock = &pblocktemplate->block;
- IncrementExtraNonce(pblock, pindexPrev, nExtraNonce);
-
- LogPrintf("Running BitcoinMiner with %u transactions in block (%u bytes)\n", pblock->vtx.size(),
- ::GetSerializeSize(*pblock, SER_NETWORK, PROTOCOL_VERSION));
-
- //
- // Search
- //
- int64_t nStart = GetTime();
- uint256 hashTarget = uint256().SetCompact(pblock->nBits);
- uint256 hash;
- uint32_t nNonce = 0;
- uint32_t nOldNonce = 0;
- while (true)
- {
- bool fFound = ScanHash(pblock, nNonce, &hash);
- uint32_t nHashesDone = nNonce - nOldNonce;
- nOldNonce = nNonce;
+ try {
+ while (true) {
+ if (Params().MiningRequiresPeers()) {
+ // Busy-wait for the network to come online so we don't waste time mining
+ // on an obsolete chain. In regtest mode we expect to fly solo.
+ while (vNodes.empty())
+ MilliSleep(1000);
+ }
- // Check if something found
- if (fFound)
- {
- if (hash <= hashTarget)
+ //
+ // Create new block
+ //
+ unsigned int nTransactionsUpdatedLast = mempool.GetTransactionsUpdated();
+ CBlockIndex* pindexPrev = chainActive.Tip();
+
+ auto_ptr<CBlockTemplate> pblocktemplate(CreateNewBlockWithKey(reservekey));
+ if (!pblocktemplate.get())
+ return;
+ CBlock *pblock = &pblocktemplate->block;
+ IncrementExtraNonce(pblock, pindexPrev, nExtraNonce);
+
+ LogPrintf("Running BitcoinMiner with %u transactions in block (%u bytes)\n", pblock->vtx.size(),
+ ::GetSerializeSize(*pblock, SER_NETWORK, PROTOCOL_VERSION));
+
+ //
+ // Search
+ //
+ int64_t nStart = GetTime();
+ uint256 hashTarget = uint256().SetCompact(pblock->nBits);
+ uint256 hash;
+ uint32_t nNonce = 0;
+ uint32_t nOldNonce = 0;
+ while (true) {
+ bool fFound = ScanHash(pblock, nNonce, &hash);
+ uint32_t nHashesDone = nNonce - nOldNonce;
+ nOldNonce = nNonce;
+
+ // Check if something found
+ if (fFound)
{
- // Found a solution
- pblock->nNonce = nNonce;
- assert(hash == pblock->GetHash());
+ if (hash <= hashTarget)
+ {
+ // Found a solution
+ pblock->nNonce = nNonce;
+ assert(hash == pblock->GetHash());
- SetThreadPriority(THREAD_PRIORITY_NORMAL);
- CheckWork(pblock, *pwallet, reservekey);
- SetThreadPriority(THREAD_PRIORITY_LOWEST);
+ SetThreadPriority(THREAD_PRIORITY_NORMAL);
+ CheckWork(pblock, *pwallet, reservekey);
+ SetThreadPriority(THREAD_PRIORITY_LOWEST);
- // In regression test mode, stop mining after a block is found.
- if (Params().MineBlocksOnDemand())
- throw boost::thread_interrupted();
+ // In regression test mode, stop mining after a block is found.
+ if (Params().MineBlocksOnDemand())
+ throw boost::thread_interrupted();
- break;
+ break;
+ }
}
- }
- // Meter hashes/sec
- static int64_t nHashCounter;
- if (nHPSTimerStart == 0)
- {
- nHPSTimerStart = GetTimeMillis();
- nHashCounter = 0;
- }
- else
- nHashCounter += nHashesDone;
- if (GetTimeMillis() - nHPSTimerStart > 4000)
- {
- static CCriticalSection cs;
+ // Meter hashes/sec
+ static int64_t nHashCounter;
+ if (nHPSTimerStart == 0)
{
- LOCK(cs);
- if (GetTimeMillis() - nHPSTimerStart > 4000)
+ nHPSTimerStart = GetTimeMillis();
+ nHashCounter = 0;
+ }
+ else
+ nHashCounter += nHashesDone;
+ if (GetTimeMillis() - nHPSTimerStart > 4000)
+ {
+ static CCriticalSection cs;
{
- dHashesPerSec = 1000.0 * nHashCounter / (GetTimeMillis() - nHPSTimerStart);
- nHPSTimerStart = GetTimeMillis();
- nHashCounter = 0;
- static int64_t nLogTime;
- if (GetTime() - nLogTime > 30 * 60)
+ LOCK(cs);
+ if (GetTimeMillis() - nHPSTimerStart > 4000)
{
- nLogTime = GetTime();
- LogPrintf("hashmeter %6.0f khash/s\n", dHashesPerSec/1000.0);
+ dHashesPerSec = 1000.0 * nHashCounter / (GetTimeMillis() - nHPSTimerStart);
+ nHPSTimerStart = GetTimeMillis();
+ nHashCounter = 0;
+ static int64_t nLogTime;
+ if (GetTime() - nLogTime > 30 * 60)
+ {
+ nLogTime = GetTime();
+ LogPrintf("hashmeter %6.0f khash/s\n", dHashesPerSec/1000.0);
+ }
}
}
}
- }
- // Check for stop or if block needs to be rebuilt
- boost::this_thread::interruption_point();
- // Regtest mode doesn't require peers
- if (vNodes.empty() && Params().MiningRequiresPeers())
- break;
- if (nNonce >= 0xffff0000)
- break;
- if (mempool.GetTransactionsUpdated() != nTransactionsUpdatedLast && GetTime() - nStart > 60)
- break;
- if (pindexPrev != chainActive.Tip())
- break;
-
- // Update nTime every few seconds
- UpdateTime(*pblock, pindexPrev);
- if (Params().AllowMinDifficultyBlocks())
- {
- // Changing pblock->nTime can change work required on testnet:
- hashTarget.SetCompact(pblock->nBits);
+ // Check for stop or if block needs to be rebuilt
+ boost::this_thread::interruption_point();
+ // Regtest mode doesn't require peers
+ if (vNodes.empty() && Params().MiningRequiresPeers())
+ break;
+ if (nNonce >= 0xffff0000)
+ break;
+ if (mempool.GetTransactionsUpdated() != nTransactionsUpdatedLast && GetTime() - nStart > 60)
+ break;
+ if (pindexPrev != chainActive.Tip())
+ break;
+
+ // Update nTime every few seconds
+ UpdateTime(*pblock, pindexPrev);
+ if (Params().AllowMinDifficultyBlocks())
+ {
+ // Changing pblock->nTime can change work required on testnet:
+ hashTarget.SetCompact(pblock->nBits);
+ }
}
}
- } }
+ }
catch (boost::thread_interrupted)
{
LogPrintf("BitcoinMiner terminated\n");
@@ -582,4 +585,4 @@ void GenerateBitcoins(bool fGenerate, CWallet* pwallet, int nThreads)
minerThreads->create_thread(boost::bind(&BitcoinMiner, pwallet));
}
-#endif
+#endif // ENABLE_WALLET
generated by cgit v1.2.3 (git 2.26.2) at 2024-11-08 22:20:59 +0000