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@ -98,7 +98,7 @@ static const unsigned c_minCacheSize = 1024 * 1024 * 32; |
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#endif |
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BlockChain::BlockChain(bytes const& _genesisBlock, std::string _path, bool _killExisting) |
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BlockChain::BlockChain(bytes const& _genesisBlock, std::string _path, WithExisting _we, ProgressCallback const& _p) |
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{ |
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// initialise deathrow.
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m_cacheUsage.resize(c_collectionQueueSize); |
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@ -108,7 +108,9 @@ BlockChain::BlockChain(bytes const& _genesisBlock, std::string _path, bool _kill |
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m_genesisBlock = _genesisBlock; |
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m_genesisHash = sha3(RLP(m_genesisBlock)[0].data()); |
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open(_path, _killExisting); |
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open(_path, _we); |
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if (_we == WithExisting::Verify) |
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rebuild(_path, _p); |
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} |
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BlockChain::~BlockChain() |
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@ -116,24 +118,23 @@ BlockChain::~BlockChain() |
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close(); |
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} |
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void BlockChain::open(std::string _path, bool _killExisting) |
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void BlockChain::open(std::string const& _path, WithExisting _we) |
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{ |
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if (_path.empty()) |
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_path = Defaults::get()->m_dbPath; |
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boost::filesystem::create_directories(_path); |
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if (_killExisting) |
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std::string path = _path.empty() ? Defaults::get()->m_dbPath : _path; |
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boost::filesystem::create_directories(path); |
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if (_we == WithExisting::Kill) |
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{ |
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boost::filesystem::remove_all(_path + "/blocks"); |
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boost::filesystem::remove_all(_path + "/details"); |
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boost::filesystem::remove_all(path + "/blocks"); |
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boost::filesystem::remove_all(path + "/details"); |
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} |
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ldb::Options o; |
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o.create_if_missing = true; |
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ldb::DB::Open(o, _path + "/blocks", &m_blocksDB); |
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ldb::DB::Open(o, _path + "/details", &m_extrasDB); |
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ldb::DB::Open(o, path + "/blocks", &m_blocksDB); |
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ldb::DB::Open(o, path + "/details", &m_extrasDB); |
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if (!m_blocksDB || !m_extrasDB) |
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{ |
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if (boost::filesystem::space(_path + "/blocks").available < 1024) |
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if (boost::filesystem::space(path + "/blocks").available < 1024) |
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{ |
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cwarn << "Not enough available space found on hard drive. Please free some up and then re-run. Bailing."; |
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BOOST_THROW_EXCEPTION(NotEnoughAvailableSpace()); |
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@ -158,7 +159,6 @@ void BlockChain::open(std::string _path, bool _killExisting) |
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// TODO: Implement ability to rebuild details map from DB.
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std::string l; |
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m_extrasDB->Get(m_readOptions, ldb::Slice("best"), &l); |
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m_lastBlockHash = l.empty() ? m_genesisHash : *(h256*)l.data(); |
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cnote << "Opened blockchain DB. Latest: " << currentHash(); |
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@ -174,6 +174,53 @@ void BlockChain::close() |
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m_blocks.clear(); |
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} |
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void BlockChain::rebuild(std::string const& _path, std::function<void(unsigned, unsigned)> const& _progress) |
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{ |
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unsigned originalNumber = number(); |
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// Keep extras DB around, but under a temp name
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delete m_extrasDB; |
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m_extrasDB = nullptr; |
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boost::filesystem::rename(_path + "/details", _path + "/details.old"); |
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ldb::DB* oldExtrasDB; |
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ldb::Options o; |
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o.create_if_missing = true; |
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ldb::DB::Open(o, _path + "/details.old", &oldExtrasDB); |
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ldb::DB::Open(o, _path + "/details", &m_extrasDB); |
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// Open a fresh state DB
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OverlayDB db = State::openDB(_path, WithExisting::Kill); |
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// Clear all memos ready for replay.
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m_details.clear(); |
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m_logBlooms.clear(); |
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m_receipts.clear(); |
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m_transactionAddresses.clear(); |
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m_blockHashes.clear(); |
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m_blocksBlooms.clear(); |
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m_lastLastHashes.clear(); |
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m_lastBlockHash = genesisHash(); |
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for (unsigned d = 0; d < originalNumber; ++d) |
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{ |
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try |
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{ |
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import(block(queryExtras<BlockHash, ExtraBlockHash>(h256(u256(d)), m_blockHashes, x_blockHashes, NullBlockHash, oldExtrasDB).value), db); |
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} |
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catch (...) |
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{ |
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// Failed to import - stop here.
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break; |
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} |
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if (_progress) |
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_progress(d, originalNumber); |
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} |
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delete oldExtrasDB; |
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boost::filesystem::remove_all(_path + "/details.old"); |
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} |
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template <class T, class V> |
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bool contains(T const& _t, V const& _v) |
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{ |
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@ -414,12 +461,22 @@ h256s BlockChain::import(bytes const& _block, OverlayDB const& _db) |
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#endif |
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} |
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#if ETH_CATCH |
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catch (Exception const& _e) |
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catch (InvalidNonce const& _e) |
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{ |
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clog(BlockChainNote) << " Malformed block: " << diagnostic_information(_e); |
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_e << errinfo_comment("Malformed block "); |
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throw; |
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} |
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catch (Exception const& _e) |
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{ |
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clog(BlockChainWarn) << " Malformed block: " << diagnostic_information(_e); |
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_e << errinfo_comment("Malformed block "); |
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clog(BlockChainWarn) << "Block: " << bi.hash; |
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clog(BlockChainWarn) << bi; |
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clog(BlockChainWarn) << "Block parent: " << bi.parentHash; |
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clog(BlockChainWarn) << BlockInfo(block(bi.parentHash)); |
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throw; |
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} |
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#endif |
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StructuredLogger::chainReceivedNewBlock( |
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Gav Wood
10 years ago