diff options
Diffstat (limited to 'src/validation.cpp')
-rw-r--r-- | src/validation.cpp | 287 |
1 files changed, 13 insertions, 274 deletions
diff --git a/src/validation.cpp b/src/validation.cpp index b795e83012..639c1f6879 100644 --- a/src/validation.cpp +++ b/src/validation.cpp @@ -66,10 +66,6 @@ static const unsigned int EXTRA_DESCENDANT_TX_SIZE_LIMIT = 10000; /** Maximum kilobytes for transactions to store for processing during reorg */ static const unsigned int MAX_DISCONNECTED_TX_POOL_SIZE = 20000; -/** The pre-allocation chunk size for blk?????.dat files (since 0.8) */ -static const unsigned int BLOCKFILE_CHUNK_SIZE = 0x1000000; // 16 MiB -/** The pre-allocation chunk size for rev?????.dat files (since 0.8) */ -static const unsigned int UNDOFILE_CHUNK_SIZE = 0x100000; // 1 MiB /** Time to wait between writing blocks/block index to disk. */ static constexpr std::chrono::hours DATABASE_WRITE_INTERVAL{1}; /** Time to wait between flushing chainstate to disk. */ @@ -135,14 +131,9 @@ Mutex g_best_block_mutex; std::condition_variable g_best_block_cv; uint256 g_best_block; bool g_parallel_script_checks{false}; -std::atomic_bool fImporting(false); -std::atomic_bool fReindex(false); -bool fHavePruned = false; -bool fPruneMode = false; bool fRequireStandard = true; bool fCheckBlockIndex = false; bool fCheckpointsEnabled = DEFAULT_CHECKPOINTS_ENABLED; -uint64_t nPruneTarget = 0; int64_t nMaxTipAge = DEFAULT_MAX_TIP_AGE; uint256 hashAssumeValid; @@ -153,22 +144,17 @@ CFeeRate minRelayTxFee = CFeeRate(DEFAULT_MIN_RELAY_TX_FEE); // Internal stuff namespace { CBlockIndex* pindexBestInvalid = nullptr; - - RecursiveMutex cs_LastBlockFile; - std::vector<CBlockFileInfo> vinfoBlockFile; - int nLastBlockFile = 0; - /** Global flag to indicate we should check to see if there are - * block/undo files that should be deleted. Set on startup - * or if we allocate more file space when we're in prune mode - */ - bool fCheckForPruning = false; - - /** Dirty block index entries. */ - std::set<CBlockIndex*> setDirtyBlockIndex; - - /** Dirty block file entries. */ - std::set<int> setDirtyFileInfo; -} // anon namespace +} // namespace + +// Internal stuff from blockstorage ... +extern RecursiveMutex cs_LastBlockFile; +extern std::vector<CBlockFileInfo> vinfoBlockFile; +extern int nLastBlockFile; +extern bool fCheckForPruning; +extern std::set<CBlockIndex*> setDirtyBlockIndex; +extern std::set<int> setDirtyFileInfo; +void FlushBlockFile(bool fFinalize = false, bool finalize_undo = false); +// ... TODO move fully to blockstorage CBlockIndex* BlockManager::LookupBlockIndex(const uint256& hash) const { @@ -205,9 +191,6 @@ bool CheckInputScripts(const CTransaction& tx, TxValidationState& state, bool cacheFullScriptStore, PrecomputedTransactionData& txdata, std::vector<CScriptCheck>* pvChecks = nullptr) EXCLUSIVE_LOCKS_REQUIRED(cs_main); -static FILE* OpenUndoFile(const FlatFilePos &pos, bool fReadOnly = false); -static FlatFileSeq BlockFileSeq(); -static FlatFileSeq UndoFileSeq(); bool CheckFinalTx(const CBlockIndex* active_chain_tip, const CTransaction &tx, int flags) { @@ -1462,65 +1445,7 @@ bool CheckInputScripts(const CTransaction& tx, TxValidationState& state, return true; } -static bool UndoWriteToDisk(const CBlockUndo& blockundo, FlatFilePos& pos, const uint256& hashBlock, const CMessageHeader::MessageStartChars& messageStart) -{ - // Open history file to append - CAutoFile fileout(OpenUndoFile(pos), SER_DISK, CLIENT_VERSION); - if (fileout.IsNull()) - return error("%s: OpenUndoFile failed", __func__); - - // Write index header - unsigned int nSize = GetSerializeSize(blockundo, fileout.GetVersion()); - fileout << messageStart << nSize; - - // Write undo data - long fileOutPos = ftell(fileout.Get()); - if (fileOutPos < 0) - return error("%s: ftell failed", __func__); - pos.nPos = (unsigned int)fileOutPos; - fileout << blockundo; - - // calculate & write checksum - CHashWriter hasher(SER_GETHASH, PROTOCOL_VERSION); - hasher << hashBlock; - hasher << blockundo; - fileout << hasher.GetHash(); - - return true; -} - -bool UndoReadFromDisk(CBlockUndo& blockundo, const CBlockIndex* pindex) -{ - FlatFilePos pos = pindex->GetUndoPos(); - if (pos.IsNull()) { - return error("%s: no undo data available", __func__); - } - - // Open history file to read - CAutoFile filein(OpenUndoFile(pos, true), SER_DISK, CLIENT_VERSION); - if (filein.IsNull()) - return error("%s: OpenUndoFile failed", __func__); - - // Read block - uint256 hashChecksum; - CHashVerifier<CAutoFile> verifier(&filein); // We need a CHashVerifier as reserializing may lose data - try { - verifier << pindex->pprev->GetBlockHash(); - verifier >> blockundo; - filein >> hashChecksum; - } - catch (const std::exception& e) { - return error("%s: Deserialize or I/O error - %s", __func__, e.what()); - } - - // Verify checksum - if (hashChecksum != verifier.GetHash()) - return error("%s: Checksum mismatch", __func__); - - return true; -} - -static bool AbortNode(BlockValidationState& state, const std::string& strMessage, const bilingual_str& userMessage = bilingual_str()) +bool AbortNode(BlockValidationState& state, const std::string& strMessage, const bilingual_str& userMessage) { AbortNode(strMessage, userMessage); return state.Error(strMessage); @@ -1620,55 +1545,6 @@ DisconnectResult CChainState::DisconnectBlock(const CBlock& block, const CBlockI return fClean ? DISCONNECT_OK : DISCONNECT_UNCLEAN; } -static void FlushUndoFile(int block_file, bool finalize = false) -{ - FlatFilePos undo_pos_old(block_file, vinfoBlockFile[block_file].nUndoSize); - if (!UndoFileSeq().Flush(undo_pos_old, finalize)) { - AbortNode("Flushing undo file to disk failed. This is likely the result of an I/O error."); - } -} - -static void FlushBlockFile(bool fFinalize = false, bool finalize_undo = false) -{ - LOCK(cs_LastBlockFile); - FlatFilePos block_pos_old(nLastBlockFile, vinfoBlockFile[nLastBlockFile].nSize); - if (!BlockFileSeq().Flush(block_pos_old, fFinalize)) { - AbortNode("Flushing block file to disk failed. This is likely the result of an I/O error."); - } - // we do not always flush the undo file, as the chain tip may be lagging behind the incoming blocks, - // e.g. during IBD or a sync after a node going offline - if (!fFinalize || finalize_undo) FlushUndoFile(nLastBlockFile, finalize_undo); -} - -static bool FindUndoPos(BlockValidationState &state, int nFile, FlatFilePos &pos, unsigned int nAddSize); - -static bool WriteUndoDataForBlock(const CBlockUndo& blockundo, BlockValidationState& state, CBlockIndex* pindex, const CChainParams& chainparams) -{ - // Write undo information to disk - if (pindex->GetUndoPos().IsNull()) { - FlatFilePos _pos; - if (!FindUndoPos(state, pindex->nFile, _pos, ::GetSerializeSize(blockundo, CLIENT_VERSION) + 40)) - return error("ConnectBlock(): FindUndoPos failed"); - if (!UndoWriteToDisk(blockundo, _pos, pindex->pprev->GetBlockHash(), chainparams.MessageStart())) - return AbortNode(state, "Failed to write undo data"); - // rev files are written in block height order, whereas blk files are written as blocks come in (often out of order) - // we want to flush the rev (undo) file once we've written the last block, which is indicated by the last height - // in the block file info as below; note that this does not catch the case where the undo writes are keeping up - // with the block writes (usually when a synced up node is getting newly mined blocks) -- this case is caught in - // the FindBlockPos function - if (_pos.nFile < nLastBlockFile && static_cast<uint32_t>(pindex->nHeight) == vinfoBlockFile[_pos.nFile].nHeightLast) { - FlushUndoFile(_pos.nFile, true); - } - - // update nUndoPos in block index - pindex->nUndoPos = _pos.nPos; - pindex->nStatus |= BLOCK_HAVE_UNDO; - setDirtyBlockIndex.insert(pindex); - } - - return true; -} - static CCheckQueue<CScriptCheck> scriptcheckqueue(128); void StartScriptCheckWorkerThreads(int threads_num) @@ -3102,84 +2978,6 @@ void CChainState::ReceivedBlockTransactions(const CBlock& block, CBlockIndex* pi } } -// TODO move to blockstorage -bool FindBlockPos(FlatFilePos& pos, unsigned int nAddSize, unsigned int nHeight, CChain& active_chain, uint64_t nTime, bool fKnown = false) -{ - LOCK(cs_LastBlockFile); - - unsigned int nFile = fKnown ? pos.nFile : nLastBlockFile; - if (vinfoBlockFile.size() <= nFile) { - vinfoBlockFile.resize(nFile + 1); - } - - bool finalize_undo = false; - if (!fKnown) { - while (vinfoBlockFile[nFile].nSize + nAddSize >= (gArgs.GetBoolArg("-fastprune", false) ? 0x10000 /* 64kb */ : MAX_BLOCKFILE_SIZE)) { - // when the undo file is keeping up with the block file, we want to flush it explicitly - // when it is lagging behind (more blocks arrive than are being connected), we let the - // undo block write case handle it - assert(std::addressof(::ChainActive()) == std::addressof(active_chain)); - finalize_undo = (vinfoBlockFile[nFile].nHeightLast == (unsigned int)active_chain.Tip()->nHeight); - nFile++; - if (vinfoBlockFile.size() <= nFile) { - vinfoBlockFile.resize(nFile + 1); - } - } - pos.nFile = nFile; - pos.nPos = vinfoBlockFile[nFile].nSize; - } - - if ((int)nFile != nLastBlockFile) { - if (!fKnown) { - LogPrint(BCLog::VALIDATION, "Leaving block file %i: %s\n", nLastBlockFile, vinfoBlockFile[nLastBlockFile].ToString()); - } - FlushBlockFile(!fKnown, finalize_undo); - nLastBlockFile = nFile; - } - - vinfoBlockFile[nFile].AddBlock(nHeight, nTime); - if (fKnown) - vinfoBlockFile[nFile].nSize = std::max(pos.nPos + nAddSize, vinfoBlockFile[nFile].nSize); - else - vinfoBlockFile[nFile].nSize += nAddSize; - - if (!fKnown) { - bool out_of_space; - size_t bytes_allocated = BlockFileSeq().Allocate(pos, nAddSize, out_of_space); - if (out_of_space) { - return AbortNode("Disk space is too low!", _("Disk space is too low!")); - } - if (bytes_allocated != 0 && fPruneMode) { - fCheckForPruning = true; - } - } - - setDirtyFileInfo.insert(nFile); - return true; -} - -static bool FindUndoPos(BlockValidationState &state, int nFile, FlatFilePos &pos, unsigned int nAddSize) -{ - pos.nFile = nFile; - - LOCK(cs_LastBlockFile); - - pos.nPos = vinfoBlockFile[nFile].nUndoSize; - vinfoBlockFile[nFile].nUndoSize += nAddSize; - setDirtyFileInfo.insert(nFile); - - bool out_of_space; - size_t bytes_allocated = UndoFileSeq().Allocate(pos, nAddSize, out_of_space); - if (out_of_space) { - return AbortNode(state, "Disk space is too low!", _("Disk space is too low!")); - } - if (bytes_allocated != 0 && fPruneMode) { - fCheckForPruning = true; - } - - return true; -} - static bool CheckBlockHeader(const CBlockHeader& block, BlockValidationState& state, const Consensus::Params& consensusParams, bool fCheckPOW = true) { // Check proof of work matches claimed amount @@ -3737,18 +3535,6 @@ bool TestBlockValidity(BlockValidationState& state, * BLOCK PRUNING CODE */ -/* Calculate the amount of disk space the block & undo files currently use */ -uint64_t CalculateCurrentUsage() -{ - LOCK(cs_LastBlockFile); - - uint64_t retval = 0; - for (const CBlockFileInfo &file : vinfoBlockFile) { - retval += file.nSize + file.nUndoSize; - } - return retval; -} - void BlockManager::PruneOneBlockFile(const int fileNumber) { AssertLockHeld(cs_main); @@ -3783,17 +3569,6 @@ void BlockManager::PruneOneBlockFile(const int fileNumber) setDirtyFileInfo.insert(fileNumber); } - -void UnlinkPrunedFiles(const std::set<int>& setFilesToPrune) -{ - for (std::set<int>::iterator it = setFilesToPrune.begin(); it != setFilesToPrune.end(); ++it) { - FlatFilePos pos(*it, 0); - fs::remove(BlockFileSeq().FileName(pos)); - fs::remove(UndoFileSeq().FileName(pos)); - LogPrintf("Prune: %s deleted blk/rev (%05u)\n", __func__, *it); - } -} - void BlockManager::FindFilesToPruneManual(std::set<int>& setFilesToPrune, int nManualPruneHeight, int chain_tip_height) { assert(fPruneMode && nManualPruneHeight > 0); @@ -3888,30 +3663,6 @@ void BlockManager::FindFilesToPrune(std::set<int>& setFilesToPrune, uint64_t nPr nLastBlockWeCanPrune, count); } -static FlatFileSeq BlockFileSeq() -{ - return FlatFileSeq(gArgs.GetBlocksDirPath(), "blk", gArgs.GetBoolArg("-fastprune", false) ? 0x4000 /* 16kb */ : BLOCKFILE_CHUNK_SIZE); -} - -static FlatFileSeq UndoFileSeq() -{ - return FlatFileSeq(gArgs.GetBlocksDirPath(), "rev", UNDOFILE_CHUNK_SIZE); -} - -FILE* OpenBlockFile(const FlatFilePos &pos, bool fReadOnly) { - return BlockFileSeq().Open(pos, fReadOnly); -} - -/** Open an undo file (rev?????.dat) */ -static FILE* OpenUndoFile(const FlatFilePos &pos, bool fReadOnly) { - return UndoFileSeq().Open(pos, fReadOnly); -} - -fs::path GetBlockPosFilename(const FlatFilePos &pos) -{ - return BlockFileSeq().FileName(pos); -} - CBlockIndex * BlockManager::InsertBlockIndex(const uint256& hash) { AssertLockHeld(cs_main); @@ -4744,18 +4495,6 @@ bool CChainState::ResizeCoinsCaches(size_t coinstip_size, size_t coinsdb_size) return ret; } -std::string CBlockFileInfo::ToString() const -{ - return strprintf("CBlockFileInfo(blocks=%u, size=%u, heights=%u...%u, time=%s...%s)", nBlocks, nSize, nHeightFirst, nHeightLast, FormatISO8601Date(nTimeFirst), FormatISO8601Date(nTimeLast)); -} - -CBlockFileInfo* GetBlockFileInfo(size_t n) -{ - LOCK(cs_LastBlockFile); - - return &vinfoBlockFile.at(n); -} - static const uint64_t MEMPOOL_DUMP_VERSION = 1; bool LoadMempool(CTxMemPool& pool, CChainState& active_chainstate, FopenFn mockable_fopen_function) @@ -5236,7 +4975,7 @@ bool ChainstateManager::PopulateAndValidateSnapshot( } assert(index); - index->nChainTx = metadata.m_nchaintx; + index->nChainTx = au_data.nChainTx; snapshot_chainstate.setBlockIndexCandidates.insert(snapshot_start_block); LogPrintf("[snapshot] validated snapshot (%.2f MB)\n", |