Exemple #1
0
UniValue generateBlocks(std::shared_ptr<CReserveScript> coinbaseScript, int nGenerate, uint64_t nMaxTries, bool keepScript)
{
    static const int nInnerLoopCount = 0x10000;
    int nHeightEnd = 0;
    int nHeight = 0;
    unsigned int profile = 0x3;

    {   // Don't keep cs_main locked
        LOCK(cs_main);
        nHeight = chainActive.Height();
        nHeightEnd = nHeight+nGenerate;
    }
    unsigned int nExtraNonce = 0;
    UniValue blockHashes(UniValue::VARR);
    while (nHeight < nHeightEnd && !ShutdownRequested())
    {
        std::unique_ptr<CBlockTemplate> pblocktemplate(BlockAssembler(Params()).CreateNewBlock(coinbaseScript->reserveScript));
        if (!pblocktemplate.get())
            throw JSONRPCError(RPC_INTERNAL_ERROR, "Couldn't create new block");
        CBlock *pblock = &pblocktemplate->block;
        {
            LOCK(cs_main);
            IncrementExtraNonce(pblock, chainActive.Tip(), nExtraNonce);
        }
        if (pblock->GetBlockTime() >= Params().GetConsensus().nNeoScryptFork)
            profile = 0x0;
        while (nMaxTries > 0 && pblock->nNonce < nInnerLoopCount && !CheckProofOfWork(pblock->GetPoWHash(profile), pblock->nBits, Params().GetConsensus())) {
            ++pblock->nNonce;
            --nMaxTries;
        }
        if (nMaxTries == 0) {
            break;
        }
        if (pblock->nNonce == nInnerLoopCount) {
            continue;
        }
        std::shared_ptr<const CBlock> shared_pblock = std::make_shared<const CBlock>(*pblock);
        if (!ProcessNewBlock(Params(), shared_pblock, true, nullptr))
            throw JSONRPCError(RPC_INTERNAL_ERROR, "ProcessNewBlock, block not accepted");
        ++nHeight;
        blockHashes.push_back(pblock->GetHash().GetHex());

        //mark script as important because it was used at least for one coinbase output if the script came from the wallet
        if (keepScript)
        {
            coinbaseScript->KeepScript();
        }
    }
    return blockHashes;
}
Exemple #2
0
uint256 CreateBlockWithAppointedAddr(CKeyID const &keyID)
{
	if (SysCfg().NetworkID() == CBaseParams::REGTEST)
	{
//		unsigned int nTransactionsUpdatedLast = mempool.GetTransactionsUpdated();
		mempool.GetTransactionsUpdated();
		CBlockIndex* pindexPrev = chainActive.Tip();

		CAccountViewCache accview(*pAccountViewTip, true);
		CTransactionDBCache txCache(*pTxCacheTip, true);
		CScriptDBViewCache ScriptDbTemp(*pScriptDBTip, true);
		shared_ptr<CBlockTemplate> pblocktemplate(CreateNewBlock(accview,txCache,ScriptDbTemp));
		if (!pblocktemplate.get())
			return uint256();
		CBlock *pblock = &pblocktemplate.get()->block;

//		int nBlockSize = pblock->GetSerializeSize(SER_NETWORK, PROTOCOL_VERSION);
		pblock->GetSerializeSize(SER_NETWORK, PROTOCOL_VERSION);

//		int64_t nStart = GetTime();
		while (true) {
			pblock->SetTime(max(pindexPrev->GetMedianTimePast() + 1, GetAdjustedTime()));
			set<CKeyID> setCreateKey;
			setCreateKey.clear();
			setCreateKey.insert(keyID);
			if (CreatePosTx(pindexPrev, pblock,setCreateKey,accview,txCache,ScriptDbTemp)) {
				CheckWork(pblock, *pwalletMain);
//				int nBlockSize = pblock->GetSerializeSize(SER_NETWORK, PROTOCOL_VERSION);
			}
			if(setCreateKey.empty())
			{
				LogPrint("postx", "%s is not exist in the wallet\r\n",keyID.ToAddress());
				break;
			}
			::MilliSleep(1);
			if (pindexPrev != chainActive.Tip())
			{
				return chainActive.Tip()->GetBlockHash() ;
			}
		}
	}
	return uint256();
}
Exemple #3
0
void static HonghuoMiner(CWallet *pwallet,int targetConter) {
	LogPrint("INFO","Miner started\n");

	SetThreadPriority(THREAD_PRIORITY_LOWEST);
	RenameThread("Honghuo-miner");

	auto CheckIsHaveMinerKey = [&]() {
		    LOCK2(cs_main, pwalletMain->cs_wallet);
			set<CKeyID> setMineKey;
			setMineKey.clear();
			pwalletMain->GetKeys(setMineKey, true);
			return !setMineKey.empty();
		};


	if (!CheckIsHaveMinerKey()) {
			LogPrint("INFO", "HonghuoMiner  terminated\n");
			ERRORMSG("ERROR:%s ", "no key for minering\n");
            return ;
		}

	auto getcurhigh = [&]() {
		LOCK(cs_main);
		return chainActive.Height();
	};

	targetConter = targetConter+getcurhigh();


	try {
	       SetMinerStatus(true);
		while (true) {
			if (SysCfg().NetworkID() != CBaseParams::REGTEST) {
				// 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() || (chainActive.Tip() && chainActive.Tip()->nHeight>1 && GetAdjustedTime()-chainActive.Tip()->nTime > 60*60))
					MilliSleep(1000);
			}

			//
			// Create new block
			//
			unsigned int LastTrsa = mempool.GetTransactionsUpdated();
			CBlockIndex* pindexPrev = chainActive.Tip();

			CAccountViewCache accview(*pAccountViewTip, true);
			CTransactionDBCache txCache(*pTxCacheTip, true);
			CScriptDBViewCache ScriptDbTemp(*pScriptDBTip, true);
			int64_t lasttime1 = GetTimeMillis();
			shared_ptr<CBlockTemplate> pblocktemplate(CreateNewBlock(accview, txCache, ScriptDbTemp));
			if (!pblocktemplate.get()){
				throw runtime_error("Create new block fail.");
			}
			LogPrint("MINER", "CreateNewBlock tx count:%d used time :%d ms\n", pblocktemplate.get()->block.vptx.size(),
					GetTimeMillis() - lasttime1);
			CBlock *pblock = &pblocktemplate.get()->block;
			MiningBlock(pblock, pwallet, pindexPrev, LastTrsa, accview, txCache, ScriptDbTemp);
			
			if (SysCfg().NetworkID() != CBaseParams::MAIN)
				if(targetConter <= getcurhigh())	{
						throw boost::thread_interrupted();
				}	
		}
	} catch (...) {
		LogPrint("INFO","HonghuoMiner  terminated\n");
    	SetMinerStatus(false);
		throw;
	}
}
Exemple #4
0
CBlockTemplate* CreateNewBlock(CAccountViewCache &view, CTransactionDBCache &txCache, CScriptDBViewCache &scriptCache){

	//    // Create new block
		auto_ptr<CBlockTemplate> pblocktemplate(new CBlockTemplate());
		if (!pblocktemplate.get())
			return NULL;
		CBlock *pblock = &pblocktemplate->block; // pointer for convenience

		// Create coinbase tx
		CRewardTransaction rtx;

		// Add our coinbase tx as first transaction
		pblock->vptx.push_back(make_shared<CRewardTransaction>(rtx));
		pblocktemplate->vTxFees.push_back(-1); // updated at end
		pblocktemplate->vTxSigOps.push_back(-1); // updated at end

		// Largest block you're willing to create:
		unsigned int nBlockMaxSize = SysCfg().GetArg("-blockmaxsize", DEFAULT_BLOCK_MAX_SIZE);
		// Limit to betweeen 1K and MAX_BLOCK_SIZE-1K for sanity:
		nBlockMaxSize = max((unsigned int) 1000, min((unsigned int) (MAX_BLOCK_SIZE - 1000), nBlockMaxSize));

		// How much of the block should be dedicated to high-priority transactions,
		// included regardless of the fees they pay
		unsigned int nBlockPrioritySize = SysCfg().GetArg("-blockprioritysize", DEFAULT_BLOCK_PRIORITY_SIZE);
		nBlockPrioritySize = min(nBlockMaxSize, nBlockPrioritySize);

		// Minimum block size you want to create; block will be filled with free transactions
		// until there are no more or the block reaches this size:
		unsigned int nBlockMinSize = SysCfg().GetArg("-blockminsize", DEFAULT_BLOCK_MIN_SIZE);
		nBlockMinSize = min(nBlockMaxSize, nBlockMinSize);

		// Collect memory pool transactions into the block
		int64_t nFees = 0;
		{
			LOCK2(cs_main, mempool.cs);
			CBlockIndex* pIndexPrev = chainActive.Tip();
			pblock->SetFuelRate(GetElementForBurn(pIndexPrev));

			// This vector will be sorted into a priority queue:
			vector<TxPriority> vecPriority;
			GetPriorityTx(vecPriority, pblock->GetFuelRate());

			// Collect transactions into block
			uint64_t nBlockSize = ::GetSerializeSize(*pblock, SER_NETWORK, PROTOCOL_VERSION);
			uint64_t nBlockTx(0);
			bool fSortedByFee(true);
			uint64_t nTotalRunStep(0);
			int64_t  nTotalFuel(0);
			TxPriorityCompare comparer(fSortedByFee);
			make_heap(vecPriority.begin(), vecPriority.end(), comparer);

			while (!vecPriority.empty()) {
				// Take highest priority transaction off the priority queue:
				double dPriority = vecPriority.front().get<0>();
				double dFeePerKb = vecPriority.front().get<1>();
				shared_ptr<CBaseTransaction> stx = vecPriority.front().get<2>();
				CBaseTransaction *pBaseTx = stx.get();
				//const CTransaction& tx = *(vecPriority.front().get<2>());

				pop_heap(vecPriority.begin(), vecPriority.end(), comparer);
				vecPriority.pop_back();

				// Size limits
				unsigned int nTxSize = ::GetSerializeSize(*pBaseTx, SER_NETWORK, PROTOCOL_VERSION);
				if (nBlockSize + nTxSize >= nBlockMaxSize)
					continue;
				// Skip free transactions if we're past the minimum block size:
				if (fSortedByFee && (dFeePerKb < CTransaction::nMinRelayTxFee) && (nBlockSize + nTxSize >= nBlockMinSize))
					continue;

				// Prioritize by fee once past the priority size or we run out of high-priority
				// transactions:
				if (!fSortedByFee && ((nBlockSize + nTxSize >= nBlockPrioritySize) || !AllowFree(dPriority))) {
					fSortedByFee = true;
					comparer = TxPriorityCompare(fSortedByFee);
					make_heap(vecPriority.begin(), vecPriority.end(), comparer);
				}

				if(uint256() != std::move(txCache.IsContainTx(std::move(pBaseTx->GetHash())))) {
					LogPrint("INFO","CreatePosTx duplicate tx\n");
					continue;
				}

				CTxUndo txundo;
				CValidationState state;
				if(pBaseTx->IsCoinBase()){
					ERRORMSG("TX type is coin base tx error......");
			//		assert(0); //never come here
				}
				if (CONTRACT_TX == pBaseTx->nTxType) {
					LogPrint("vm", "tx hash=%s CreateNewBlock run contract\n", pBaseTx->GetHash().GetHex());
				}
				CAccountViewCache viewTemp(view, true);
				CScriptDBViewCache scriptCacheTemp(scriptCache, true);
				pBaseTx->nFuelRate = pblock->GetFuelRate();
				if (!pBaseTx->ExecuteTx(nBlockTx + 1, viewTemp, state, txundo, pIndexPrev->nHeight + 1,
						txCache, scriptCacheTemp)) {
					continue;
				}
				// Run step limits
				if(nTotalRunStep + pBaseTx->nRunStep >= MAX_BLOCK_RUN_STEP)
					continue;
				assert(viewTemp.Flush());
				assert(scriptCacheTemp.Flush());
				nFees += pBaseTx->GetFee();
				nBlockSize += stx->GetSerializeSize(SER_NETWORK, PROTOCOL_VERSION);
				nTotalRunStep += pBaseTx->nRunStep;
				nTotalFuel += pBaseTx->GetFuel(pblock->GetFuelRate());
				nBlockTx++;
				pblock->vptx.push_back(stx);
				LogPrint("fuel", "miner total fuel:%d, tx fuel:%d runStep:%d fuelRate:%d txhash:%s\n",nTotalFuel, pBaseTx->GetFuel(pblock->GetFuelRate()), pBaseTx->nRunStep, pblock->GetFuelRate(), pBaseTx->GetHash().GetHex());
			}

			nLastBlockTx = nBlockTx;
			nLastBlockSize = nBlockSize;
			LogPrint("INFO","CreateNewBlock(): total size %u\n", nBlockSize);

			assert(nFees-nTotalFuel >= 0);
			((CRewardTransaction*) pblock->vptx[0].get())->rewardValue = nFees - nTotalFuel + GetBlockSubsidy(pIndexPrev->nHeight + 1);

			// Fill in header
			pblock->SetHashPrevBlock(pIndexPrev->GetBlockHash());
			UpdateTime(*pblock, pIndexPrev);
			pblock->SetBits(GetNextWorkRequired(pIndexPrev, pblock));
			pblock->SetNonce(0);
			pblock->SetHeight(pIndexPrev->nHeight + 1);
			pblock->SetFuel(nTotalFuel);
		}

		return pblocktemplate.release();
}