return false;
}
-// TODO: Get rid of nested loops
-void StakeMiner(CWallet* pwallet)
+// Stake miner thread
+void ThreadStakeMiner(void* parg)
{
SetThreadPriority(THREAD_PRIORITY_LOWEST);
// Make this thread recognisable as the mining thread
RenameThread("novacoin-miner");
+ CWallet* pwallet = (CWallet*)parg;
MidstateMap inputsMap;
if (!FillMap(pwallet, GetAdjustedTime(), inputsMap))
CBlockIndex* pindexPrev = pindexBest;
uint32_t nBits = GetNextTargetRequired(pindexPrev, true);
- while (true)
+ printf("ThreadStakeMinter started\n");
+
+ try
{
- if (fShutdown)
- return;
+ vnThreadsRunning[THREAD_MINTER]++;
- while (pwallet->IsLocked())
- {
- Sleep(1000);
- if (fShutdown)
- return;
- }
+ MidstateMap::key_type LuckyInput;
+ std::pair<uint256, uint32_t> solution;
- while (vNodes.empty() || IsInitialBlockDownload())
+ // Main miner loop
+ do
{
- fTrySync = true;
-
- Sleep(1000);
if (fShutdown)
- return;
- }
+ goto _endloop;
- if (fTrySync)
- {
- fTrySync = false;
- if (vNodes.size() < 3 || nBestHeight < GetNumBlocksOfPeers())
+ while (pwallet->IsLocked())
{
Sleep(1000);
- continue;
+ if (fShutdown)
+ goto _endloop; // Don't be afraid to use a goto if that's the best option.
}
- }
- MidstateMap::key_type LuckyInput;
- std::pair<uint256, uint32_t> solution;
-
- if (ScanMap(inputsMap, nBits, LuckyInput, solution))
- {
- SetThreadPriority(THREAD_PRIORITY_NORMAL);
-
- // Remove lucky input from the map
- inputsMap.erase(inputsMap.find(LuckyInput));
+ while (vNodes.empty() || IsInitialBlockDownload())
+ {
+ fTrySync = true;
- CKey key;
- CTransaction txCoinStake;
+ Sleep(1000);
+ if (fShutdown)
+ goto _endloop;
+ }
- // Create new coinstake transaction
- if (!pwallet->CreateCoinStake(LuckyInput.first, LuckyInput.second, solution.second, nBits, txCoinStake, key))
+ if (fTrySync)
{
- string strMessage = _("Warning: Unable to create coinstake transaction, see debug.log for the details. Mining thread has been stopped.");
- strMiscWarning = strMessage;
- printf("*** %s\n", strMessage.c_str());
-
- return;
+ // Don't try mine blocks unless we're at the top of chain and have at least three p2p connections.
+ fTrySync = false;
+ if (vNodes.size() < 3 || nBestHeight < GetNumBlocksOfPeers())
+ {
+ Sleep(1000);
+ continue;
+ }
}
- // Now we have new coinstake, it's time to create the block ...
- CBlock* pblock;
- pblock = CreateNewBlock(pwallet, &txCoinStake);
- if (!pblock)
+ if (ScanMap(inputsMap, nBits, LuckyInput, solution))
{
- string strMessage = _("Warning: Unable to allocate memory for the new block object. Mining thread has been stopped.");
- strMiscWarning = strMessage;
- printf("*** %s\n", strMessage.c_str());
+ SetThreadPriority(THREAD_PRIORITY_NORMAL);
- return;
- }
+ // Remove lucky input from the map
+ inputsMap.erase(inputsMap.find(LuckyInput));
- unsigned int nExtraNonce = 0;
- IncrementExtraNonce(pblock, pindexPrev, nExtraNonce);
+ CKey key;
+ CTransaction txCoinStake;
- // ... and sign it
- if (!key.Sign(pblock->GetHash(), pblock->vchBlockSig))
- {
- string strMessage = _("Warning: Proof-of-Stake miner is unable to sign the block (locked wallet?). Mining thread has been stopped.");
- strMiscWarning = strMessage;
- printf("*** %s\n", strMessage.c_str());
+ // Create new coinstake transaction
+ if (!pwallet->CreateCoinStake(LuckyInput.first, LuckyInput.second, solution.second, nBits, txCoinStake, key))
+ {
+ string strMessage = _("Warning: Unable to create coinstake transaction, see debug.log for the details. Mining thread has been stopped.");
+ strMiscWarning = strMessage;
+ printf("*** %s\n", strMessage.c_str());
- return;
- }
+ break;
+ }
- CheckStake(pblock, *pwallet);
- SetThreadPriority(THREAD_PRIORITY_LOWEST);
- Sleep(500);
- }
+ // Now we have new coinstake, it's time to create the block ...
+ CBlock* pblock;
+ pblock = CreateNewBlock(pwallet, &txCoinStake);
+ if (!pblock)
+ {
+ string strMessage = _("Warning: Unable to allocate memory for the new block object. Mining thread has been stopped.");
+ strMiscWarning = strMessage;
+ printf("*** %s\n", strMessage.c_str());
- if (pindexPrev != pindexBest)
- {
- // The best block has been changed, we need to refill the map
- if (FillMap(pwallet, GetAdjustedTime(), inputsMap))
- {
- pindexPrev = pindexBest;
- nBits = GetNextTargetRequired(pindexPrev, true);
+ break;
+ }
+
+ unsigned int nExtraNonce = 0;
+ IncrementExtraNonce(pblock, pindexPrev, nExtraNonce);
+
+ // ... and sign it
+ if (!key.Sign(pblock->GetHash(), pblock->vchBlockSig))
+ {
+ string strMessage = _("Warning: Proof-of-Stake miner is unable to sign the block (locked wallet?). Mining thread has been stopped.");
+ strMiscWarning = strMessage;
+ printf("*** %s\n", strMessage.c_str());
+
+ break;
+ }
+
+ CheckStake(pblock, *pwallet);
+ SetThreadPriority(THREAD_PRIORITY_LOWEST);
+ Sleep(500);
}
- else
+
+ if (pindexPrev != pindexBest)
{
- // Clear existent data if FillMap failed
- inputsMap.clear();
+ // The best block has been changed, we need to refill the map
+ if (FillMap(pwallet, GetAdjustedTime(), inputsMap))
+ {
+ pindexPrev = pindexBest;
+ nBits = GetNextTargetRequired(pindexPrev, true);
+ }
+ else
+ {
+ // Clear existent data if FillMap failed
+ inputsMap.clear();
+ }
}
- }
- Sleep(500);
+ Sleep(500);
- continue;
- }
-}
+ _endloop:
+ (void)0; // do nothing
+ }
+ while(!fShutdown);
-// Stake minter thread
-void ThreadStakeMinter(void* parg)
-{
- printf("ThreadStakeMinter started\n");
- CWallet* pwallet = (CWallet*)parg;
- try
- {
- vnThreadsRunning[THREAD_MINTER]++;
- StakeMiner(pwallet);
vnThreadsRunning[THREAD_MINTER]--;
}
catch (std::exception& e) {
git://git.novaco.in / novacoin.git / blobdiff