diff --git a/src/miner.cpp b/src/miner.cpp index eaf29a767..91e05f9ce 100644 --- a/src/miner.cpp +++ b/src/miner.cpp @@ -71,231 +71,299 @@ int64_t UpdateTime(CBlockHeader* pblock, const Consensus::Params& consensusParam return nNewTime - nOldTime; } -CBlockTemplate* CreateNewBlock(const CChainParams& chainparams, const CScript& scriptPubKeyIn) +BlockAssembler::BlockAssembler(const CChainParams& _chainparams) + : chainparams(_chainparams) { - // Create new block - std::unique_ptr pblocktemplate(new CBlockTemplate()); + // Largest block you're willing to create: + nBlockMaxSize = GetArg("-blockmaxsize", DEFAULT_BLOCK_MAX_SIZE); + // Limit to between 1K and MAX_BLOCK_SIZE-1K for sanity: + nBlockMaxSize = std::max((unsigned int)1000, std::min((unsigned int)(MAX_BLOCK_SIZE-1000), nBlockMaxSize)); + + // 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: + nBlockMinSize = GetArg("-blockminsize", DEFAULT_BLOCK_MIN_SIZE); + nBlockMinSize = std::min(nBlockMaxSize, nBlockMinSize); +} + +void BlockAssembler::resetBlock() +{ + inBlock.clear(); + + // Reserve space for coinbase tx + nBlockSize = 1000; + nBlockSigOps = 100; + + // These counters do not include coinbase tx + nBlockTx = 0; + nFees = 0; + + lastFewTxs = 0; + blockFinished = false; +} + +CBlockTemplate* BlockAssembler::CreateNewBlock(const CScript& scriptPubKeyIn) +{ + resetBlock(); + + pblocktemplate.reset(new CBlockTemplate()); + if(!pblocktemplate.get()) return NULL; - CBlock *pblock = &pblocktemplate->block; // pointer for convenience - - // Create coinbase tx - CMutableTransaction txNew; - txNew.vin.resize(1); - txNew.vin[0].prevout.SetNull(); - txNew.vout.resize(1); - txNew.vout[0].scriptPubKey = scriptPubKeyIn; + pblock = &pblocktemplate->block; // pointer for convenience // Add dummy coinbase tx as first transaction pblock->vtx.push_back(CTransaction()); 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 = GetArg("-blockmaxsize", DEFAULT_BLOCK_MAX_SIZE); - // Limit to between 1K and MAX_BLOCK_SIZE-1K for sanity: - nBlockMaxSize = std::max((unsigned int)1000, std::min((unsigned int)(MAX_BLOCK_SIZE-1000), nBlockMaxSize)); + LOCK2(cs_main, mempool.cs); + CBlockIndex* pindexPrev = chainActive.Tip(); + nHeight = pindexPrev->nHeight + 1; + + pblock->nVersion = ComputeBlockVersion(pindexPrev, chainparams.GetConsensus()); + // -regtest only: allow overriding block.nVersion with + // -blockversion=N to test forking scenarios + if (chainparams.MineBlocksOnDemand()) + pblock->nVersion = GetArg("-blockversion", pblock->nVersion); + + pblock->nTime = GetAdjustedTime(); + const int64_t nMedianTimePast = pindexPrev->GetMedianTimePast(); + + nLockTimeCutoff = (STANDARD_LOCKTIME_VERIFY_FLAGS & LOCKTIME_MEDIAN_TIME_PAST) + ? nMedianTimePast + : pblock->GetBlockTime(); + + addPriorityTxs(); + addScoreTxs(); + + nLastBlockTx = nBlockTx; + nLastBlockSize = nBlockSize; + LogPrintf("CreateNewBlock(): total size %u txs: %u fees: %ld sigops %d\n", nBlockSize, nBlockTx, nFees, nBlockSigOps); + + // Create coinbase transaction. + CMutableTransaction coinbaseTx; + coinbaseTx.vin.resize(1); + coinbaseTx.vin[0].prevout.SetNull(); + coinbaseTx.vout.resize(1); + coinbaseTx.vout[0].scriptPubKey = scriptPubKeyIn; + coinbaseTx.vout[0].nValue = nFees + GetBlockSubsidy(nHeight, chainparams.GetConsensus()); + coinbaseTx.vin[0].scriptSig = CScript() << nHeight << OP_0; + pblock->vtx[0] = coinbaseTx; + pblocktemplate->vTxFees[0] = -nFees; + + // Fill in header + pblock->hashPrevBlock = pindexPrev->GetBlockHash(); + UpdateTime(pblock, chainparams.GetConsensus(), pindexPrev); + pblock->nBits = GetNextWorkRequired(pindexPrev, pblock, chainparams.GetConsensus()); + pblock->nNonce = 0; + pblocktemplate->vTxSigOps[0] = GetLegacySigOpCount(pblock->vtx[0]); + + CValidationState state; + if (!TestBlockValidity(state, chainparams, *pblock, pindexPrev, false, false)) { + throw std::runtime_error(strprintf("%s: TestBlockValidity failed: %s", __func__, FormatStateMessage(state))); + } - // How much of the block should be dedicated to high-priority transactions, - // included regardless of the fees they pay - unsigned int nBlockPrioritySize = GetArg("-blockprioritysize", DEFAULT_BLOCK_PRIORITY_SIZE); - nBlockPrioritySize = std::min(nBlockMaxSize, nBlockPrioritySize); + return pblocktemplate.release(); +} - // 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 = GetArg("-blockminsize", DEFAULT_BLOCK_MIN_SIZE); - nBlockMinSize = std::min(nBlockMaxSize, nBlockMinSize); +bool BlockAssembler::isStillDependent(CTxMemPool::txiter iter) +{ + BOOST_FOREACH(CTxMemPool::txiter parent, mempool.GetMemPoolParents(iter)) + { + if (!inBlock.count(parent)) { + return true; + } + } + return false; +} - // Collect memory pool transactions into the block - CTxMemPool::setEntries inBlock; - CTxMemPool::setEntries waitSet; - // This vector will be sorted into a priority queue: - vector vecPriority; - TxCoinAgePriorityCompare pricomparer; - std::map waitPriMap; - typedef std::map::iterator waitPriIter; - double actualPriority = -1; - std::priority_queue, ScoreCompare> clearedTxs; +bool BlockAssembler::TestForBlock(CTxMemPool::txiter iter) +{ + if (nBlockSize + iter->GetTxSize() >= nBlockMaxSize) { + // If the block is so close to full that no more txs will fit + // or if we've tried more than 50 times to fill remaining space + // then flag that the block is finished + if (nBlockSize > nBlockMaxSize - 100 || lastFewTxs > 50) { + blockFinished = true; + return false; + } + // Once we're within 1000 bytes of a full block, only look at 50 more txs + // to try to fill the remaining space. + if (nBlockSize > nBlockMaxSize - 1000) { + lastFewTxs++; + } + return false; + } + + if (nBlockSigOps + iter->GetSigOpCount() >= MAX_BLOCK_SIGOPS) { + // If the block has room for no more sig ops then + // flag that the block is finished + if (nBlockSigOps > MAX_BLOCK_SIGOPS - 2) { + blockFinished = true; + return false; + } + // Otherwise attempt to find another tx with fewer sigops + // to put in the block. + return false; + } + + // Must check that lock times are still valid + // This can be removed once MTP is always enforced + // as long as reorgs keep the mempool consistent. + if (!IsFinalTx(iter->GetTx(), nHeight, nLockTimeCutoff)) + return false; + + return true; +} + +void BlockAssembler::AddToBlock(CTxMemPool::txiter iter) +{ + pblock->vtx.push_back(iter->GetTx()); + pblocktemplate->vTxFees.push_back(iter->GetFee()); + pblocktemplate->vTxSigOps.push_back(iter->GetSigOpCount()); + nBlockSize += iter->GetTxSize(); + ++nBlockTx; + nBlockSigOps += iter->GetSigOpCount(); + nFees += iter->GetFee(); + inBlock.insert(iter); + bool fPrintPriority = GetBoolArg("-printpriority", DEFAULT_PRINTPRIORITY); - uint64_t nBlockSize = 1000; - uint64_t nBlockTx = 0; - unsigned int nBlockSigOps = 100; - int lastFewTxs = 0; - CAmount nFees = 0; + if (fPrintPriority) { + double dPriority = iter->GetPriority(nHeight); + CAmount dummy; + mempool.ApplyDeltas(iter->GetTx().GetHash(), dPriority, dummy); + LogPrintf("priority %.1f fee %s txid %s\n", + dPriority, + CFeeRate(iter->GetModifiedFee(), iter->GetTxSize()).ToString(), + iter->GetTx().GetHash().ToString()); + } +} +void BlockAssembler::addScoreTxs() +{ + std::priority_queue, ScoreCompare> clearedTxs; + CTxMemPool::setEntries waitSet; + CTxMemPool::indexed_transaction_set::index::type::iterator mi = mempool.mapTx.get().begin(); + CTxMemPool::txiter iter; + while (!blockFinished && (mi != mempool.mapTx.get().end() || !clearedTxs.empty())) { - LOCK2(cs_main, mempool.cs); - CBlockIndex* pindexPrev = chainActive.Tip(); - const int nHeight = pindexPrev->nHeight + 1; - pblock->nTime = GetAdjustedTime(); - const int64_t nMedianTimePast = pindexPrev->GetMedianTimePast(); - - pblock->nVersion = ComputeBlockVersion(pindexPrev, chainparams.GetConsensus()); - // -regtest only: allow overriding block.nVersion with - // -blockversion=N to test forking scenarios - if (chainparams.MineBlocksOnDemand()) - pblock->nVersion = GetArg("-blockversion", pblock->nVersion); - - int64_t nLockTimeCutoff = (STANDARD_LOCKTIME_VERIFY_FLAGS & LOCKTIME_MEDIAN_TIME_PAST) - ? nMedianTimePast - : pblock->GetBlockTime(); - - bool fPriorityBlock = nBlockPrioritySize > 0; - if (fPriorityBlock) { - vecPriority.reserve(mempool.mapTx.size()); - for (CTxMemPool::indexed_transaction_set::iterator mi = mempool.mapTx.begin(); - mi != mempool.mapTx.end(); ++mi) - { - double dPriority = mi->GetPriority(nHeight); - CAmount dummy; - mempool.ApplyDeltas(mi->GetTx().GetHash(), dPriority, dummy); - vecPriority.push_back(TxCoinAgePriority(dPriority, mi)); - } - std::make_heap(vecPriority.begin(), vecPriority.end(), pricomparer); + // If no txs that were previously postponed are available to try + // again, then try the next highest score tx + if (clearedTxs.empty()) { + iter = mempool.mapTx.project<0>(mi); + mi++; + } + // If a previously postponed tx is available to try again, then it + // has higher score than all untried so far txs + else { + iter = clearedTxs.top(); + clearedTxs.pop(); } - CTxMemPool::indexed_transaction_set::index::type::iterator mi = mempool.mapTx.get().begin(); - CTxMemPool::txiter iter; - - while (mi != mempool.mapTx.get().end() || !clearedTxs.empty()) - { - bool priorityTx = false; - if (fPriorityBlock && !vecPriority.empty()) { // add a tx from priority queue to fill the blockprioritysize - priorityTx = true; - iter = vecPriority.front().second; - actualPriority = vecPriority.front().first; - std::pop_heap(vecPriority.begin(), vecPriority.end(), pricomparer); - vecPriority.pop_back(); - } - else if (clearedTxs.empty()) { // add tx with next highest score - iter = mempool.mapTx.project<0>(mi); - mi++; - } - else { // try to add a previously postponed child tx - iter = clearedTxs.top(); - clearedTxs.pop(); - } + // If tx is dependent on other mempool txs which haven't yet been included + // then put it in the waitSet + if (isStillDependent(iter)) { + waitSet.insert(iter); + continue; + } - if (inBlock.count(iter)) - continue; // could have been added to the priorityBlock + // If the fee rate is below the min fee rate for mining, then we're done + // adding txs based on score (fee rate) + if (iter->GetModifiedFee() < ::minRelayTxFee.GetFee(iter->GetTxSize()) && nBlockSize >= nBlockMinSize) { + return; + } - const CTransaction& tx = iter->GetTx(); + // If this tx fits in the block add it, otherwise keep looping + if (TestForBlock(iter)) { + AddToBlock(iter); - bool fOrphan = false; - BOOST_FOREACH(CTxMemPool::txiter parent, mempool.GetMemPoolParents(iter)) + // This tx was successfully added, so + // add transactions that depend on this one to the priority queue to try again + BOOST_FOREACH(CTxMemPool::txiter child, mempool.GetMemPoolChildren(iter)) { - if (!inBlock.count(parent)) { - fOrphan = true; - break; + if (waitSet.count(child)) { + clearedTxs.push(child); + waitSet.erase(child); } } - if (fOrphan) { - if (priorityTx) - waitPriMap.insert(std::make_pair(iter,actualPriority)); - else - waitSet.insert(iter); - continue; - } + } + } +} - unsigned int nTxSize = iter->GetTxSize(); - if (fPriorityBlock && - (nBlockSize + nTxSize >= nBlockPrioritySize || !AllowFree(actualPriority))) { - fPriorityBlock = false; - waitPriMap.clear(); - } - if (!priorityTx && - (iter->GetModifiedFee() < ::minRelayTxFee.GetFee(nTxSize) && nBlockSize >= nBlockMinSize)) { - break; - } - if (nBlockSize + nTxSize >= nBlockMaxSize) { - if (nBlockSize > nBlockMaxSize - 100 || lastFewTxs > 50) { - break; - } - // Once we're within 1000 bytes of a full block, only look at 50 more txs - // to try to fill the remaining space. - if (nBlockSize > nBlockMaxSize - 1000) { - lastFewTxs++; - } - continue; - } +void BlockAssembler::addPriorityTxs() +{ + // How much of the block should be dedicated to high-priority transactions, + // included regardless of the fees they pay + unsigned int nBlockPrioritySize = GetArg("-blockprioritysize", DEFAULT_BLOCK_PRIORITY_SIZE); + nBlockPrioritySize = std::min(nBlockMaxSize, nBlockPrioritySize); - if (!IsFinalTx(tx, nHeight, nLockTimeCutoff)) - continue; + if (nBlockPrioritySize == 0) { + return; + } - unsigned int nTxSigOps = iter->GetSigOpCount(); - if (nBlockSigOps + nTxSigOps >= MAX_BLOCK_SIGOPS) { - if (nBlockSigOps > MAX_BLOCK_SIGOPS - 2) { - break; - } - continue; - } + // This vector will be sorted into a priority queue: + vector vecPriority; + TxCoinAgePriorityCompare pricomparer; + std::map waitPriMap; + typedef std::map::iterator waitPriIter; + double actualPriority = -1; - CAmount nTxFees = iter->GetFee(); - // Added - pblock->vtx.push_back(tx); - pblocktemplate->vTxFees.push_back(nTxFees); - pblocktemplate->vTxSigOps.push_back(nTxSigOps); - nBlockSize += nTxSize; - ++nBlockTx; - nBlockSigOps += nTxSigOps; - nFees += nTxFees; - - if (fPrintPriority) - { - double dPriority = iter->GetPriority(nHeight); - CAmount dummy; - mempool.ApplyDeltas(tx.GetHash(), dPriority, dummy); - LogPrintf("priority %.1f fee %s txid %s\n", - dPriority , CFeeRate(iter->GetModifiedFee(), nTxSize).ToString(), tx.GetHash().ToString()); - } + vecPriority.reserve(mempool.mapTx.size()); + for (CTxMemPool::indexed_transaction_set::iterator mi = mempool.mapTx.begin(); + mi != mempool.mapTx.end(); ++mi) + { + double dPriority = mi->GetPriority(nHeight); + CAmount dummy; + mempool.ApplyDeltas(mi->GetTx().GetHash(), dPriority, dummy); + vecPriority.push_back(TxCoinAgePriority(dPriority, mi)); + } + std::make_heap(vecPriority.begin(), vecPriority.end(), pricomparer); + + CTxMemPool::txiter iter; + while (!vecPriority.empty() && !blockFinished) { // add a tx from priority queue to fill the blockprioritysize + iter = vecPriority.front().second; + actualPriority = vecPriority.front().first; + std::pop_heap(vecPriority.begin(), vecPriority.end(), pricomparer); + vecPriority.pop_back(); + + // If tx already in block, skip + if (inBlock.count(iter)) { + assert(false); // shouldn't happen for priority txs + continue; + } + + // If tx is dependent on other mempool txs which haven't yet been included + // then put it in the waitSet + if (isStillDependent(iter)) { + waitPriMap.insert(std::make_pair(iter, actualPriority)); + continue; + } - inBlock.insert(iter); + // If this tx fits in the block add it, otherwise keep looping + if (TestForBlock(iter)) { + AddToBlock(iter); - // Add transactions that depend on this one to the priority queue + // If now that this txs is added we've surpassed our desired priority size + // or have dropped below the AllowFreeThreshold, then we're done adding priority txs + if (nBlockSize + iter->GetTxSize() >= nBlockPrioritySize || !AllowFree(actualPriority)) { + return; + } + + // This tx was successfully added, so + // add transactions that depend on this one to the priority queue to try again BOOST_FOREACH(CTxMemPool::txiter child, mempool.GetMemPoolChildren(iter)) { - if (fPriorityBlock) { - waitPriIter wpiter = waitPriMap.find(child); - if (wpiter != waitPriMap.end()) { - vecPriority.push_back(TxCoinAgePriority(wpiter->second,child)); - std::push_heap(vecPriority.begin(), vecPriority.end(), pricomparer); - waitPriMap.erase(wpiter); - } - } - else { - if (waitSet.count(child)) { - clearedTxs.push(child); - waitSet.erase(child); - } + waitPriIter wpiter = waitPriMap.find(child); + if (wpiter != waitPriMap.end()) { + vecPriority.push_back(TxCoinAgePriority(wpiter->second,child)); + std::push_heap(vecPriority.begin(), vecPriority.end(), pricomparer); + waitPriMap.erase(wpiter); } } } - nLastBlockTx = nBlockTx; - nLastBlockSize = nBlockSize; - LogPrintf("CreateNewBlock(): total size %u txs: %u fees: %ld sigops %d\n", nBlockSize, nBlockTx, nFees, nBlockSigOps); - - // Compute final coinbase transaction. - 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, chainparams.GetConsensus(), pindexPrev); - pblock->nBits = GetNextWorkRequired(pindexPrev, pblock, chainparams.GetConsensus()); - pblock->nNonce = 0; - pblocktemplate->vTxSigOps[0] = GetLegacySigOpCount(pblock->vtx[0]); - - CValidationState state; - if (!TestBlockValidity(state, chainparams, *pblock, pindexPrev, false, false)) { - throw std::runtime_error(strprintf("%s: TestBlockValidity failed: %s", __func__, FormatStateMessage(state))); - } } - - return pblocktemplate.release(); } void IncrementExtraNonce(CBlock* pblock, const CBlockIndex* pindexPrev, unsigned int& nExtraNonce) diff --git a/src/miner.h b/src/miner.h index cd0f13662..74f19693c 100644 --- a/src/miner.h +++ b/src/miner.h @@ -7,14 +7,17 @@ #define BITCOIN_MINER_H #include "primitives/block.h" +#include "txmempool.h" #include +#include class CBlockIndex; class CChainParams; class CReserveKey; class CScript; class CWallet; + namespace Consensus { struct Params; }; static const bool DEFAULT_PRINTPRIORITY = false; @@ -27,7 +30,58 @@ struct CBlockTemplate }; /** Generate a new block, without valid proof-of-work */ -CBlockTemplate* CreateNewBlock(const CChainParams& chainparams, const CScript& scriptPubKeyIn); +class BlockAssembler +{ +private: + // The constructed block template + std::unique_ptr pblocktemplate; + // A convenience pointer that always refers to the CBlock in pblocktemplate + CBlock* pblock; + + // Configuration parameters for the block size + unsigned int nBlockMaxSize, nBlockMinSize; + + // Information on the current status of the block + uint64_t nBlockSize; + uint64_t nBlockTx; + unsigned int nBlockSigOps; + CAmount nFees; + CTxMemPool::setEntries inBlock; + + // Chain context for the block + int nHeight; + int64_t nLockTimeCutoff; + const CChainParams& chainparams; + + // Variables used for addScoreTxs and addPriorityTxs + int lastFewTxs; + bool blockFinished; + +public: + BlockAssembler(const CChainParams& chainparams); + /** Construct a new block template with coinbase to scriptPubKeyIn */ + CBlockTemplate* CreateNewBlock(const CScript& scriptPubKeyIn); + +private: + // utility functions + /** Clear the block's state and prepare for assembling a new block */ + void resetBlock(); + /** Add a tx to the block */ + void AddToBlock(CTxMemPool::txiter iter); + + // Methods for how to add transactions to a block. + /** Add transactions based on modified feerate */ + void addScoreTxs(); + /** Add transactions based on tx "priority" */ + void addPriorityTxs(); + + // helper function for addScoreTxs and addPriorityTxs + /** Test if tx will still "fit" in the block */ + bool TestForBlock(CTxMemPool::txiter iter); + /** Test if tx still has unconfirmed parents not yet in block */ + bool isStillDependent(CTxMemPool::txiter iter); +}; + /** Modify the extranonce in a block */ void IncrementExtraNonce(CBlock* pblock, const CBlockIndex* pindexPrev, unsigned int& nExtraNonce); int64_t UpdateTime(CBlockHeader* pblock, const Consensus::Params& consensusParams, const CBlockIndex* pindexPrev); diff --git a/src/rpc/mining.cpp b/src/rpc/mining.cpp index 9a7d9d53a..bd90cca1c 100644 --- a/src/rpc/mining.cpp +++ b/src/rpc/mining.cpp @@ -111,7 +111,7 @@ UniValue generateBlocks(boost::shared_ptr coinbaseScript, int nG UniValue blockHashes(UniValue::VARR); while (nHeight < nHeightEnd) { - std::unique_ptr pblocktemplate(CreateNewBlock(Params(), coinbaseScript->reserveScript)); + std::unique_ptr pblocktemplate(BlockAssembler(Params()).CreateNewBlock(coinbaseScript->reserveScript)); if (!pblocktemplate.get()) throw JSONRPCError(RPC_INTERNAL_ERROR, "Couldn't create new block"); CBlock *pblock = &pblocktemplate->block; @@ -493,7 +493,7 @@ UniValue getblocktemplate(const UniValue& params, bool fHelp) pblocktemplate = NULL; } CScript scriptDummy = CScript() << OP_TRUE; - pblocktemplate = CreateNewBlock(Params(), scriptDummy); + pblocktemplate = BlockAssembler(Params()).CreateNewBlock(scriptDummy); if (!pblocktemplate) throw JSONRPCError(RPC_OUT_OF_MEMORY, "Out of memory"); diff --git a/src/test/miner_tests.cpp b/src/test/miner_tests.cpp index 469862518..329b488c0 100644 --- a/src/test/miner_tests.cpp +++ b/src/test/miner_tests.cpp @@ -89,7 +89,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity) fCheckpointsEnabled = false; // Simple block creation, nothing special yet: - BOOST_CHECK(pblocktemplate = CreateNewBlock(chainparams, scriptPubKey)); + BOOST_CHECK(pblocktemplate = BlockAssembler(chainparams).CreateNewBlock(scriptPubKey)); // We can't make transactions until we have inputs // Therefore, load 100 blocks :) @@ -121,7 +121,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity) delete pblocktemplate; // Just to make sure we can still make simple blocks - BOOST_CHECK(pblocktemplate = CreateNewBlock(chainparams, scriptPubKey)); + BOOST_CHECK(pblocktemplate = BlockAssembler(chainparams).CreateNewBlock(scriptPubKey)); delete pblocktemplate; const CAmount BLOCKSUBSIDY = 50*COIN; @@ -146,7 +146,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity) mempool.addUnchecked(hash, entry.Fee(LOWFEE).Time(GetTime()).SpendsCoinbase(spendsCoinbase).FromTx(tx)); tx.vin[0].prevout.hash = hash; } - BOOST_CHECK_THROW(CreateNewBlock(chainparams, scriptPubKey), std::runtime_error); + BOOST_CHECK_THROW(BlockAssembler(chainparams).CreateNewBlock(scriptPubKey), std::runtime_error); mempool.clear(); tx.vin[0].prevout.hash = txFirst[0]->GetHash(); @@ -160,7 +160,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity) mempool.addUnchecked(hash, entry.Fee(LOWFEE).Time(GetTime()).SpendsCoinbase(spendsCoinbase).SigOps(20).FromTx(tx)); tx.vin[0].prevout.hash = hash; } - BOOST_CHECK(pblocktemplate = CreateNewBlock(chainparams, scriptPubKey)); + BOOST_CHECK(pblocktemplate = BlockAssembler(chainparams).CreateNewBlock(scriptPubKey)); delete pblocktemplate; mempool.clear(); @@ -181,14 +181,14 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity) mempool.addUnchecked(hash, entry.Fee(LOWFEE).Time(GetTime()).SpendsCoinbase(spendsCoinbase).FromTx(tx)); tx.vin[0].prevout.hash = hash; } - BOOST_CHECK(pblocktemplate = CreateNewBlock(chainparams, scriptPubKey)); + BOOST_CHECK(pblocktemplate = BlockAssembler(chainparams).CreateNewBlock(scriptPubKey)); delete pblocktemplate; mempool.clear(); // orphan in mempool, template creation fails hash = tx.GetHash(); mempool.addUnchecked(hash, entry.Fee(LOWFEE).Time(GetTime()).FromTx(tx)); - BOOST_CHECK_THROW(CreateNewBlock(chainparams, scriptPubKey), std::runtime_error); + BOOST_CHECK_THROW(BlockAssembler(chainparams).CreateNewBlock(scriptPubKey), std::runtime_error); mempool.clear(); // child with higher priority than parent @@ -205,7 +205,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity) tx.vout[0].nValue = tx.vout[0].nValue+BLOCKSUBSIDY-HIGHERFEE; //First txn output + fresh coinbase - new txn fee hash = tx.GetHash(); mempool.addUnchecked(hash, entry.Fee(HIGHERFEE).Time(GetTime()).SpendsCoinbase(true).FromTx(tx)); - BOOST_CHECK(pblocktemplate = CreateNewBlock(chainparams, scriptPubKey)); + BOOST_CHECK(pblocktemplate = BlockAssembler(chainparams).CreateNewBlock(scriptPubKey)); delete pblocktemplate; mempool.clear(); @@ -217,7 +217,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity) hash = tx.GetHash(); // give it a fee so it'll get mined mempool.addUnchecked(hash, entry.Fee(LOWFEE).Time(GetTime()).SpendsCoinbase(false).FromTx(tx)); - BOOST_CHECK_THROW(CreateNewBlock(chainparams, scriptPubKey), std::runtime_error); + BOOST_CHECK_THROW(BlockAssembler(chainparams).CreateNewBlock(scriptPubKey), std::runtime_error); mempool.clear(); // invalid (pre-p2sh) txn in mempool, template creation fails @@ -234,7 +234,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity) tx.vout[0].nValue -= LOWFEE; hash = tx.GetHash(); mempool.addUnchecked(hash, entry.Fee(LOWFEE).Time(GetTime()).SpendsCoinbase(false).FromTx(tx)); - BOOST_CHECK_THROW(CreateNewBlock(chainparams, scriptPubKey), std::runtime_error); + BOOST_CHECK_THROW(BlockAssembler(chainparams).CreateNewBlock(scriptPubKey), std::runtime_error); mempool.clear(); // double spend txn pair in mempool, template creation fails @@ -247,7 +247,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity) tx.vout[0].scriptPubKey = CScript() << OP_2; hash = tx.GetHash(); mempool.addUnchecked(hash, entry.Fee(HIGHFEE).Time(GetTime()).SpendsCoinbase(true).FromTx(tx)); - BOOST_CHECK_THROW(CreateNewBlock(chainparams, scriptPubKey), std::runtime_error); + BOOST_CHECK_THROW(BlockAssembler(chainparams).CreateNewBlock(scriptPubKey), std::runtime_error); mempool.clear(); // subsidy changing @@ -263,7 +263,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity) next->BuildSkip(); chainActive.SetTip(next); } - BOOST_CHECK(pblocktemplate = CreateNewBlock(chainparams, scriptPubKey)); + BOOST_CHECK(pblocktemplate = BlockAssembler(chainparams).CreateNewBlock(scriptPubKey)); delete pblocktemplate; // Extend to a 210000-long block chain. while (chainActive.Tip()->nHeight < 210000) { @@ -276,7 +276,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity) next->BuildSkip(); chainActive.SetTip(next); } - BOOST_CHECK(pblocktemplate = CreateNewBlock(chainparams, scriptPubKey)); + BOOST_CHECK(pblocktemplate = BlockAssembler(chainparams).CreateNewBlock(scriptPubKey)); delete pblocktemplate; // Delete the dummy blocks again. while (chainActive.Tip()->nHeight > nHeight) { @@ -363,7 +363,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity) tx.vin[0].nSequence = CTxIn::SEQUENCE_LOCKTIME_TYPE_FLAG | 1; BOOST_CHECK(!TestSequenceLocks(tx, flags)); // Sequence locks fail - BOOST_CHECK(pblocktemplate = CreateNewBlock(chainparams, scriptPubKey)); + BOOST_CHECK(pblocktemplate = BlockAssembler(chainparams).CreateNewBlock(scriptPubKey)); // None of the of the absolute height/time locked tx should have made // it into the template because we still check IsFinalTx in CreateNewBlock, @@ -377,7 +377,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity) chainActive.Tip()->nHeight++; SetMockTime(chainActive.Tip()->GetMedianTimePast() + 1); - BOOST_CHECK(pblocktemplate = CreateNewBlock(chainparams, scriptPubKey)); + BOOST_CHECK(pblocktemplate = BlockAssembler(chainparams).CreateNewBlock(scriptPubKey)); BOOST_CHECK_EQUAL(pblocktemplate->block.vtx.size(), 5); delete pblocktemplate; diff --git a/src/test/test_bitcoin.cpp b/src/test/test_bitcoin.cpp index 9bcb07626..c68320ba8 100644 --- a/src/test/test_bitcoin.cpp +++ b/src/test/test_bitcoin.cpp @@ -98,7 +98,7 @@ CBlock TestChain100Setup::CreateAndProcessBlock(const std::vector& txns, const CScript& scriptPubKey) { const CChainParams& chainparams = Params(); - CBlockTemplate *pblocktemplate = CreateNewBlock(chainparams, scriptPubKey); + CBlockTemplate *pblocktemplate = BlockAssembler(chainparams).CreateNewBlock(scriptPubKey); CBlock& block = pblocktemplate->block; // Replace mempool-selected txns with just coinbase plus passed-in txns: