diff options
Diffstat (limited to 'src/miner.cpp')
| -rw-r--r-- | src/miner.cpp | 95 |
1 files changed, 49 insertions, 46 deletions
diff --git a/src/miner.cpp b/src/miner.cpp index cf08b78229..2c5cba742c 100644 --- a/src/miner.cpp +++ b/src/miner.cpp @@ -6,17 +6,18 @@ #include "miner.h" #include "amount.h" -#include "primitives/transaction.h" +#include "chainparams.h" +#include "consensus/consensus.h" +#include "consensus/validation.h" #include "hash.h" #include "main.h" #include "net.h" #include "pow.h" +#include "primitives/transaction.h" #include "timedata.h" #include "util.h" #include "utilmoneystr.h" -#ifdef ENABLE_WALLET -#include "wallet/wallet.h" -#endif +#include "validationinterface.h" #include <boost/thread.hpp> #include <boost/tuple/tuple.hpp> @@ -78,17 +79,18 @@ public: } }; -void UpdateTime(CBlockHeader* pblock, const CBlockIndex* pindexPrev) +void UpdateTime(CBlockHeader* pblock, const Consensus::Params& consensusParams, const CBlockIndex* pindexPrev) { pblock->nTime = std::max(pindexPrev->GetMedianTimePast()+1, GetAdjustedTime()); // Updating time can change work required on testnet: - if (Params().AllowMinDifficultyBlocks()) - pblock->nBits = GetNextWorkRequired(pindexPrev, pblock, Params().GetConsensus()); + if (consensusParams.fPowAllowMinDifficultyBlocks) + pblock->nBits = GetNextWorkRequired(pindexPrev, pblock, consensusParams); } CBlockTemplate* CreateNewBlock(const CScript& scriptPubKeyIn) { + const CChainParams& chainparams = Params(); // Create new block auto_ptr<CBlockTemplate> pblocktemplate(new CBlockTemplate()); if(!pblocktemplate.get()) @@ -134,6 +136,7 @@ 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 @@ -148,7 +151,7 @@ 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; @@ -318,14 +321,14 @@ CBlockTemplate* CreateNewBlock(const CScript& scriptPubKeyIn) LogPrintf("CreateNewBlock(): total size %u\n", nBlockSize); // Compute final coinbase transaction. - txNew.vout[0].nValue = GetBlockValue(nHeight, nFees); + txNew.vout[0].nValue = nFees + GetBlockSubsidy(nHeight, chainparams.GetConsensus()); txNew.vin[0].scriptSig = CScript() << nHeight << OP_0; pblock->vtx[0] = txNew; pblocktemplate->vTxFees[0] = -nFees; // Fill in header pblock->hashPrevBlock = pindexPrev->GetBlockHash(); - UpdateTime(pblock, pindexPrev); + UpdateTime(pblock, Params().GetConsensus(), pindexPrev); pblock->nBits = GetNextWorkRequired(pindexPrev, pblock, Params().GetConsensus()); pblock->nNonce = 0; pblocktemplate->vTxSigOps[0] = GetLegacySigOpCount(pblock->vtx[0]); @@ -357,7 +360,6 @@ void IncrementExtraNonce(CBlock* pblock, CBlockIndex* pindexPrev, unsigned int& pblock->hashMerkleRoot = pblock->BuildMerkleTree(); } -#ifdef ENABLE_WALLET ////////////////////////////////////////////////////////////////////////////// // // Internal miner @@ -396,17 +398,7 @@ bool static ScanHash(const CBlockHeader *pblock, uint32_t& nNonce, uint256 *phas } } -CBlockTemplate* CreateNewBlockWithKey(CReserveKey& reservekey) -{ - CPubKey pubkey; - if (!reservekey.GetReservedKey(pubkey)) - return NULL; - - CScript scriptPubKey = CScript() << ToByteVector(pubkey) << OP_CHECKSIG; - return CreateNewBlock(scriptPubKey); -} - -static bool ProcessBlockFound(CBlock* pblock, CWallet& wallet, CReserveKey& reservekey) +static bool ProcessBlockFound(CBlock* pblock, const CChainParams& chainparams) { LogPrintf("%s\n", pblock->ToString()); LogPrintf("generated %s\n", FormatMoney(pblock->vtx[0].vout[0].nValue)); @@ -418,40 +410,47 @@ static bool ProcessBlockFound(CBlock* pblock, CWallet& wallet, CReserveKey& rese return error("BitcoinMiner: generated block is stale"); } - // Remove key from key pool - reservekey.KeepKey(); - - // Track how many getdata requests this block gets - { - LOCK(wallet.cs_wallet); - wallet.mapRequestCount[pblock->GetHash()] = 0; - } + // Inform about the new block + GetMainSignals().BlockFound(pblock->GetHash()); // Process this block the same as if we had received it from another node CValidationState state; - if (!ProcessNewBlock(state, NULL, pblock)) + if (!ProcessNewBlock(state, NULL, pblock, true, NULL)) return error("BitcoinMiner: ProcessNewBlock, block not accepted"); return true; } -void static BitcoinMiner(CWallet *pwallet) +void static BitcoinMiner(const CChainParams& chainparams) { LogPrintf("BitcoinMiner started\n"); SetThreadPriority(THREAD_PRIORITY_LOWEST); RenameThread("bitcoin-miner"); - // Each thread has its own key and counter - CReserveKey reservekey(pwallet); unsigned int nExtraNonce = 0; + boost::shared_ptr<CReserveScript> coinbaseScript; + GetMainSignals().ScriptForMining(coinbaseScript); + try { + //throw an error if no script was provided + if (!coinbaseScript->reserveScript.size()) + throw std::runtime_error("No coinbase script available (mining requires a wallet)"); + while (true) { - if (Params().MiningRequiresPeers()) { + if (chainparams.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()) + do { + bool fvNodesEmpty; + { + LOCK(cs_vNodes); + fvNodesEmpty = vNodes.empty(); + } + if (!fvNodesEmpty && !IsInitialBlockDownload()) + break; MilliSleep(1000); + } while (true); } // @@ -460,7 +459,7 @@ void static BitcoinMiner(CWallet *pwallet) unsigned int nTransactionsUpdatedLast = mempool.GetTransactionsUpdated(); CBlockIndex* pindexPrev = chainActive.Tip(); - auto_ptr<CBlockTemplate> pblocktemplate(CreateNewBlockWithKey(reservekey)); + auto_ptr<CBlockTemplate> pblocktemplate(CreateNewBlock(coinbaseScript->reserveScript)); if (!pblocktemplate.get()) { LogPrintf("Error in BitcoinMiner: Keypool ran out, please call keypoolrefill before restarting the mining thread\n"); @@ -492,11 +491,12 @@ void static BitcoinMiner(CWallet *pwallet) SetThreadPriority(THREAD_PRIORITY_NORMAL); LogPrintf("BitcoinMiner:\n"); LogPrintf("proof-of-work found \n hash: %s \ntarget: %s\n", hash.GetHex(), hashTarget.GetHex()); - ProcessBlockFound(pblock, *pwallet, reservekey); + ProcessBlockFound(pblock, chainparams); SetThreadPriority(THREAD_PRIORITY_LOWEST); + coinbaseScript->KeepScript(); // In regression test mode, stop mining after a block is found. - if (Params().MineBlocksOnDemand()) + if (chainparams.MineBlocksOnDemand()) throw boost::thread_interrupted(); break; @@ -506,7 +506,7 @@ void static BitcoinMiner(CWallet *pwallet) // 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()) + if (vNodes.empty() && chainparams.MiningRequiresPeers()) break; if (nNonce >= 0xffff0000) break; @@ -516,8 +516,8 @@ void static BitcoinMiner(CWallet *pwallet) break; // Update nTime every few seconds - UpdateTime(pblock, pindexPrev); - if (Params().AllowMinDifficultyBlocks()) + UpdateTime(pblock, chainparams.GetConsensus(), pindexPrev); + if (chainparams.GetConsensus().fPowAllowMinDifficultyBlocks) { // Changing pblock->nTime can change work required on testnet: hashTarget.SetCompact(pblock->nBits); @@ -530,9 +530,14 @@ void static BitcoinMiner(CWallet *pwallet) LogPrintf("BitcoinMiner terminated\n"); throw; } + catch (const std::runtime_error &e) + { + LogPrintf("BitcoinMiner runtime error: %s\n", e.what()); + return; + } } -void GenerateBitcoins(bool fGenerate, CWallet* pwallet, int nThreads) +void GenerateBitcoins(bool fGenerate, int nThreads, const CChainParams& chainparams) { static boost::thread_group* minerThreads = NULL; @@ -556,7 +561,5 @@ void GenerateBitcoins(bool fGenerate, CWallet* pwallet, int nThreads) minerThreads = new boost::thread_group(); for (int i = 0; i < nThreads; i++) - minerThreads->create_thread(boost::bind(&BitcoinMiner, pwallet)); + minerThreads->create_thread(boost::bind(&BitcoinMiner, boost::cref(chainparams))); } - -#endif // ENABLE_WALLET |