Auto merge of #2598 - str4d:2074-dbwrapper, r=str4d
Bitcoin 0.12+ dbwrapper improvements Cherry-picked from the following upstream PRs: - bitcoin/bitcoin#6650 - Only refactor - excludes obfuscation - bitcoin/bitcoin#6777 - Excluding obfuscation-related changes - bitcoin/bitcoin#6865 - bitcoin/bitcoin#6823 - bitcoin/bitcoin#6873 - bitcoin/bitcoin#7927 - Excluding first commit (already included) and second commit (obfuscation-related) - bitcoin/bitcoin#8467 Part of #2074.
This commit is contained in:
commit
77669b952b
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@ -45,6 +45,7 @@ testScripts=(
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'nodehandling.py'
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'reindex.py'
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'decodescript.py'
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'blockchain.py'
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'disablewallet.py'
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'zcjoinsplit.py'
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'zcjoinsplitdoublespend.py'
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@ -0,0 +1,52 @@
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#!/usr/bin/env python2
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# Copyright (c) 2014 The Bitcoin Core developers
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# Distributed under the MIT software license, see the accompanying
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# file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#
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# Test RPC calls related to blockchain state.
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#
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import decimal
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from test_framework.test_framework import BitcoinTestFramework
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from test_framework.util import (
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initialize_chain,
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assert_equal,
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start_nodes,
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connect_nodes_bi,
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)
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class BlockchainTest(BitcoinTestFramework):
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"""
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Test blockchain-related RPC calls:
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- gettxoutsetinfo
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"""
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def setup_chain(self):
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print("Initializing test directory " + self.options.tmpdir)
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initialize_chain(self.options.tmpdir)
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def setup_network(self, split=False):
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self.nodes = start_nodes(2, self.options.tmpdir)
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connect_nodes_bi(self.nodes, 0, 1)
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self.is_network_split = False
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self.sync_all()
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def run_test(self):
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node = self.nodes[0]
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res = node.gettxoutsetinfo()
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assert_equal(res[u'total_amount'], decimal.Decimal('2181.25000000')) # 150*12.5 + 49*6.25
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assert_equal(res[u'transactions'], 200)
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assert_equal(res[u'height'], 200)
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assert_equal(res[u'txouts'], 349) # 150*2 + 49
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assert_equal(res[u'bytes_serialized'], 14951), # 32*199 + 48*90 + 49*60 + 27*49
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assert_equal(len(res[u'bestblock']), 64)
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assert_equal(len(res[u'hash_serialized']), 64)
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if __name__ == '__main__':
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BlockchainTest().main()
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@ -152,7 +152,7 @@ BITCOIN_CORE_H = \
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init.h \
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key.h \
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keystore.h \
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leveldbwrapper.h \
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dbwrapper.h \
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limitedmap.h \
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main.h \
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memusage.h \
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@ -244,7 +244,7 @@ libbitcoin_server_a_SOURCES = \
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httprpc.cpp \
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httpserver.cpp \
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init.cpp \
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leveldbwrapper.cpp \
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dbwrapper.cpp \
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main.cpp \
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merkleblock.cpp \
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metrics.cpp \
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@ -60,6 +60,7 @@ BITCOIN_TESTS =\
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test/getarg_tests.cpp \
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test/hash_tests.cpp \
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test/key_tests.cpp \
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test/dbwrapper_tests.cpp \
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test/main_tests.cpp \
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test/mempool_tests.cpp \
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test/miner_tests.cpp \
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@ -2,7 +2,7 @@
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include "leveldbwrapper.h"
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#include "dbwrapper.h"
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#include "util.h"
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@ -12,20 +12,7 @@
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#include <leveldb/env.h>
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#include <leveldb/filter_policy.h>
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#include <memenv.h>
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void HandleError(const leveldb::Status& status)
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{
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if (status.ok())
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return;
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LogPrintf("%s\n", status.ToString());
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if (status.IsCorruption())
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throw leveldb_error("Database corrupted");
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if (status.IsIOError())
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throw leveldb_error("Database I/O error");
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if (status.IsNotFound())
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throw leveldb_error("Database entry missing");
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throw leveldb_error("Unknown database error");
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}
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#include <stdint.h>
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static leveldb::Options GetOptions(size_t nCacheSize)
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{
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@ -43,7 +30,7 @@ static leveldb::Options GetOptions(size_t nCacheSize)
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return options;
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}
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CLevelDBWrapper::CLevelDBWrapper(const boost::filesystem::path& path, size_t nCacheSize, bool fMemory, bool fWipe)
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CDBWrapper::CDBWrapper(const boost::filesystem::path& path, size_t nCacheSize, bool fMemory, bool fWipe)
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{
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penv = NULL;
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readoptions.verify_checksums = true;
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@ -59,17 +46,17 @@ CLevelDBWrapper::CLevelDBWrapper(const boost::filesystem::path& path, size_t nCa
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if (fWipe) {
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LogPrintf("Wiping LevelDB in %s\n", path.string());
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leveldb::Status result = leveldb::DestroyDB(path.string(), options);
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HandleError(result);
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dbwrapper_private::HandleError(result);
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}
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TryCreateDirectory(path);
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LogPrintf("Opening LevelDB in %s\n", path.string());
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}
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leveldb::Status status = leveldb::DB::Open(options, path.string(), &pdb);
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HandleError(status);
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dbwrapper_private::HandleError(status);
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LogPrintf("Opened LevelDB successfully\n");
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}
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CLevelDBWrapper::~CLevelDBWrapper()
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CDBWrapper::~CDBWrapper()
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{
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delete pdb;
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pdb = NULL;
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@ -81,9 +68,39 @@ CLevelDBWrapper::~CLevelDBWrapper()
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options.env = NULL;
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}
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bool CLevelDBWrapper::WriteBatch(CLevelDBBatch& batch, bool fSync)
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bool CDBWrapper::WriteBatch(CDBBatch& batch, bool fSync)
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{
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leveldb::Status status = pdb->Write(fSync ? syncoptions : writeoptions, &batch.batch);
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HandleError(status);
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dbwrapper_private::HandleError(status);
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return true;
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}
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bool CDBWrapper::IsEmpty()
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{
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boost::scoped_ptr<CDBIterator> it(NewIterator());
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it->SeekToFirst();
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return !(it->Valid());
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}
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CDBIterator::~CDBIterator() { delete piter; }
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bool CDBIterator::Valid() { return piter->Valid(); }
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void CDBIterator::SeekToFirst() { piter->SeekToFirst(); }
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void CDBIterator::Next() { piter->Next(); }
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namespace dbwrapper_private {
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void HandleError(const leveldb::Status& status)
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{
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if (status.ok())
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return;
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LogPrintf("%s\n", status.ToString());
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if (status.IsCorruption())
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throw dbwrapper_error("Database corrupted");
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if (status.IsIOError())
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throw dbwrapper_error("Database I/O error");
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if (status.IsNotFound())
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throw dbwrapper_error("Database entry missing");
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throw dbwrapper_error("Unknown database error");
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}
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};
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@ -2,8 +2,8 @@
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#ifndef BITCOIN_LEVELDBWRAPPER_H
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#define BITCOIN_LEVELDBWRAPPER_H
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#ifndef BITCOIN_DBWRAPPER_H
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#define BITCOIN_DBWRAPPER_H
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#include "clientversion.h"
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#include "serialize.h"
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@ -16,23 +16,39 @@
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#include <leveldb/db.h>
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#include <leveldb/write_batch.h>
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class leveldb_error : public std::runtime_error
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class dbwrapper_error : public std::runtime_error
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{
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public:
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leveldb_error(const std::string& msg) : std::runtime_error(msg) {}
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dbwrapper_error(const std::string& msg) : std::runtime_error(msg) {}
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};
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class CDBWrapper;
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/** These should be considered an implementation detail of the specific database.
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*/
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namespace dbwrapper_private {
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/** Handle database error by throwing dbwrapper_error exception.
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*/
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void HandleError(const leveldb::Status& status);
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/** Batch of changes queued to be written to a CLevelDBWrapper */
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class CLevelDBBatch
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};
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/** Batch of changes queued to be written to a CDBWrapper */
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class CDBBatch
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{
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friend class CLevelDBWrapper;
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friend class CDBWrapper;
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private:
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const CDBWrapper &parent;
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leveldb::WriteBatch batch;
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public:
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/**
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* @param[in] _parent CDBWrapper that this batch is to be submitted to
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*/
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CDBBatch(const CDBWrapper &_parent) : parent(_parent) { };
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template <typename K, typename V>
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void Write(const K& key, const V& value)
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{
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@ -61,7 +77,69 @@ public:
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}
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};
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class CLevelDBWrapper
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class CDBIterator
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{
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private:
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const CDBWrapper &parent;
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leveldb::Iterator *piter;
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public:
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/**
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* @param[in] _parent Parent CDBWrapper instance.
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* @param[in] _piter The original leveldb iterator.
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*/
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CDBIterator(const CDBWrapper &_parent, leveldb::Iterator *_piter) :
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parent(_parent), piter(_piter) { };
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~CDBIterator();
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bool Valid();
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void SeekToFirst();
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template<typename K> void Seek(const K& key) {
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CDataStream ssKey(SER_DISK, CLIENT_VERSION);
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ssKey.reserve(ssKey.GetSerializeSize(key));
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ssKey << key;
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leveldb::Slice slKey(&ssKey[0], ssKey.size());
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piter->Seek(slKey);
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}
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void Next();
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template<typename K> bool GetKey(K& key) {
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leveldb::Slice slKey = piter->key();
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try {
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CDataStream ssKey(slKey.data(), slKey.data() + slKey.size(), SER_DISK, CLIENT_VERSION);
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ssKey >> key;
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} catch(std::exception &e) {
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return false;
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}
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return true;
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}
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unsigned int GetKeySize() {
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return piter->key().size();
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}
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template<typename V> bool GetValue(V& value) {
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leveldb::Slice slValue = piter->value();
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try {
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CDataStream ssValue(slValue.data(), slValue.data() + slValue.size(), SER_DISK, CLIENT_VERSION);
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ssValue >> value;
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} catch(std::exception &e) {
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return false;
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}
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return true;
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}
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||||
|
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unsigned int GetValueSize() {
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return piter->value().size();
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}
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|
||||
};
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class CDBWrapper
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{
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private:
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//! custom environment this database is using (may be NULL in case of default environment)
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|
@ -86,8 +164,14 @@ private:
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leveldb::DB* pdb;
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||||
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||||
public:
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CLevelDBWrapper(const boost::filesystem::path& path, size_t nCacheSize, bool fMemory = false, bool fWipe = false);
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~CLevelDBWrapper();
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/**
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* @param[in] path Location in the filesystem where leveldb data will be stored.
|
||||
* @param[in] nCacheSize Configures various leveldb cache settings.
|
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* @param[in] fMemory If true, use leveldb's memory environment.
|
||||
* @param[in] fWipe If true, remove all existing data.
|
||||
*/
|
||||
CDBWrapper(const boost::filesystem::path& path, size_t nCacheSize, bool fMemory = false, bool fWipe = false);
|
||||
~CDBWrapper();
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||||
|
||||
template <typename K, typename V>
|
||||
bool Read(const K& key, V& value) const
|
||||
|
@ -103,7 +187,7 @@ public:
|
|||
if (status.IsNotFound())
|
||||
return false;
|
||||
LogPrintf("LevelDB read failure: %s\n", status.ToString());
|
||||
HandleError(status);
|
||||
dbwrapper_private::HandleError(status);
|
||||
}
|
||||
try {
|
||||
CDataStream ssValue(strValue.data(), strValue.data() + strValue.size(), SER_DISK, CLIENT_VERSION);
|
||||
|
@ -117,7 +201,7 @@ public:
|
|||
template <typename K, typename V>
|
||||
bool Write(const K& key, const V& value, bool fSync = false)
|
||||
{
|
||||
CLevelDBBatch batch;
|
||||
CDBBatch batch(*this);
|
||||
batch.Write(key, value);
|
||||
return WriteBatch(batch, fSync);
|
||||
}
|
||||
|
@ -136,7 +220,7 @@ public:
|
|||
if (status.IsNotFound())
|
||||
return false;
|
||||
LogPrintf("LevelDB read failure: %s\n", status.ToString());
|
||||
HandleError(status);
|
||||
dbwrapper_private::HandleError(status);
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
@ -144,12 +228,12 @@ public:
|
|||
template <typename K>
|
||||
bool Erase(const K& key, bool fSync = false)
|
||||
{
|
||||
CLevelDBBatch batch;
|
||||
CDBBatch batch(*this);
|
||||
batch.Erase(key);
|
||||
return WriteBatch(batch, fSync);
|
||||
}
|
||||
|
||||
bool WriteBatch(CLevelDBBatch& batch, bool fSync = false);
|
||||
bool WriteBatch(CDBBatch& batch, bool fSync = false);
|
||||
|
||||
// not available for LevelDB; provide for compatibility with BDB
|
||||
bool Flush()
|
||||
|
@ -159,15 +243,20 @@ public:
|
|||
|
||||
bool Sync()
|
||||
{
|
||||
CLevelDBBatch batch;
|
||||
CDBBatch batch(*this);
|
||||
return WriteBatch(batch, true);
|
||||
}
|
||||
|
||||
// not exactly clean encapsulation, but it's easiest for now
|
||||
leveldb::Iterator* NewIterator()
|
||||
CDBIterator *NewIterator()
|
||||
{
|
||||
return pdb->NewIterator(iteroptions);
|
||||
return new CDBIterator(*this, pdb->NewIterator(iteroptions));
|
||||
}
|
||||
|
||||
/**
|
||||
* Return true if the database managed by this class contains no entries.
|
||||
*/
|
||||
bool IsEmpty();
|
||||
};
|
||||
|
||||
#endif // BITCOIN_LEVELDBWRAPPER_H
|
||||
#endif // BITCOIN_DBWRAPPER_H
|
||||
|
|
@ -5,7 +5,7 @@
|
|||
#include "paymentdisclosuredb.h"
|
||||
|
||||
#include "util.h"
|
||||
#include "leveldbwrapper.h"
|
||||
#include "dbwrapper.h"
|
||||
|
||||
#include <boost/filesystem.hpp>
|
||||
|
||||
|
@ -38,7 +38,7 @@ PaymentDisclosureDB::PaymentDisclosureDB(const boost::filesystem::path& dbPath)
|
|||
TryCreateDirectory(path);
|
||||
options.create_if_missing = true;
|
||||
leveldb::Status status = leveldb::DB::Open(options, path.string(), &db);
|
||||
HandleError(status); // throws exception
|
||||
dbwrapper_private::HandleError(status); // throws exception
|
||||
LogPrintf("PaymentDisclosure: Opened LevelDB successfully\n");
|
||||
}
|
||||
|
||||
|
@ -62,7 +62,7 @@ bool PaymentDisclosureDB::Put(const PaymentDisclosureKey& key, const PaymentDisc
|
|||
leveldb::Slice slice(&ssValue[0], ssValue.size());
|
||||
|
||||
leveldb::Status status = db->Put(writeOptions, key.ToString(), slice);
|
||||
HandleError(status);
|
||||
dbwrapper_private::HandleError(status);
|
||||
return true;
|
||||
}
|
||||
|
||||
|
@ -80,7 +80,7 @@ bool PaymentDisclosureDB::Get(const PaymentDisclosureKey& key, PaymentDisclosure
|
|||
if (status.IsNotFound())
|
||||
return false;
|
||||
LogPrintf("PaymentDisclosure: LevelDB read failure: %s\n", status.ToString());
|
||||
HandleError(status);
|
||||
dbwrapper_private::HandleError(status);
|
||||
}
|
||||
|
||||
try {
|
||||
|
|
|
@ -0,0 +1,120 @@
|
|||
// Copyright (c) 2012-2013 The Bitcoin Core developers
|
||||
// Distributed under the MIT software license, see the accompanying
|
||||
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
|
||||
|
||||
#include "dbwrapper.h"
|
||||
#include "uint256.h"
|
||||
#include "random.h"
|
||||
#include "test/test_bitcoin.h"
|
||||
|
||||
#include <boost/assign/std/vector.hpp> // for 'operator+=()'
|
||||
#include <boost/assert.hpp>
|
||||
#include <boost/test/unit_test.hpp>
|
||||
|
||||
using namespace std;
|
||||
using namespace boost::assign; // bring 'operator+=()' into scope
|
||||
using namespace boost::filesystem;
|
||||
|
||||
// Test if a string consists entirely of null characters
|
||||
bool is_null_key(const vector<unsigned char>& key) {
|
||||
bool isnull = true;
|
||||
|
||||
for (unsigned int i = 0; i < key.size(); i++)
|
||||
isnull &= (key[i] == '\x00');
|
||||
|
||||
return isnull;
|
||||
}
|
||||
|
||||
BOOST_FIXTURE_TEST_SUITE(dbwrapper_tests, BasicTestingSetup)
|
||||
|
||||
BOOST_AUTO_TEST_CASE(dbwrapper)
|
||||
{
|
||||
{
|
||||
path ph = temp_directory_path() / unique_path();
|
||||
CDBWrapper dbw(ph, (1 << 20), true, false);
|
||||
char key = 'k';
|
||||
uint256 in = GetRandHash();
|
||||
uint256 res;
|
||||
|
||||
BOOST_CHECK(dbw.Write(key, in));
|
||||
BOOST_CHECK(dbw.Read(key, res));
|
||||
BOOST_CHECK_EQUAL(res.ToString(), in.ToString());
|
||||
}
|
||||
}
|
||||
|
||||
// Test batch operations
|
||||
BOOST_AUTO_TEST_CASE(dbwrapper_batch)
|
||||
{
|
||||
{
|
||||
path ph = temp_directory_path() / unique_path();
|
||||
CDBWrapper dbw(ph, (1 << 20), true, false);
|
||||
|
||||
char key = 'i';
|
||||
uint256 in = GetRandHash();
|
||||
char key2 = 'j';
|
||||
uint256 in2 = GetRandHash();
|
||||
char key3 = 'k';
|
||||
uint256 in3 = GetRandHash();
|
||||
|
||||
uint256 res;
|
||||
CDBBatch batch(dbw);
|
||||
|
||||
batch.Write(key, in);
|
||||
batch.Write(key2, in2);
|
||||
batch.Write(key3, in3);
|
||||
|
||||
// Remove key3 before it's even been written
|
||||
batch.Erase(key3);
|
||||
|
||||
dbw.WriteBatch(batch);
|
||||
|
||||
BOOST_CHECK(dbw.Read(key, res));
|
||||
BOOST_CHECK_EQUAL(res.ToString(), in.ToString());
|
||||
BOOST_CHECK(dbw.Read(key2, res));
|
||||
BOOST_CHECK_EQUAL(res.ToString(), in2.ToString());
|
||||
|
||||
// key3 never should've been written
|
||||
BOOST_CHECK(dbw.Read(key3, res) == false);
|
||||
}
|
||||
}
|
||||
|
||||
BOOST_AUTO_TEST_CASE(dbwrapper_iterator)
|
||||
{
|
||||
{
|
||||
path ph = temp_directory_path() / unique_path();
|
||||
CDBWrapper dbw(ph, (1 << 20), true, false);
|
||||
|
||||
// The two keys are intentionally chosen for ordering
|
||||
char key = 'j';
|
||||
uint256 in = GetRandHash();
|
||||
BOOST_CHECK(dbw.Write(key, in));
|
||||
char key2 = 'k';
|
||||
uint256 in2 = GetRandHash();
|
||||
BOOST_CHECK(dbw.Write(key2, in2));
|
||||
|
||||
boost::scoped_ptr<CDBIterator> it(const_cast<CDBWrapper*>(&dbw)->NewIterator());
|
||||
|
||||
// Be sure to seek past any earlier key (if it exists)
|
||||
it->Seek(key);
|
||||
|
||||
char key_res;
|
||||
uint256 val_res;
|
||||
|
||||
it->GetKey(key_res);
|
||||
it->GetValue(val_res);
|
||||
BOOST_CHECK_EQUAL(key_res, key);
|
||||
BOOST_CHECK_EQUAL(val_res.ToString(), in.ToString());
|
||||
|
||||
it->Next();
|
||||
|
||||
it->GetKey(key_res);
|
||||
it->GetValue(val_res);
|
||||
BOOST_CHECK_EQUAL(key_res, key2);
|
||||
BOOST_CHECK_EQUAL(val_res.ToString(), in2.ToString());
|
||||
|
||||
it->Next();
|
||||
BOOST_CHECK_EQUAL(it->Valid(), false);
|
||||
}
|
||||
}
|
||||
|
||||
BOOST_AUTO_TEST_SUITE_END()
|
128
src/txdb.cpp
128
src/txdb.cpp
|
@ -31,44 +31,11 @@ static const char DB_REINDEX_FLAG = 'R';
|
|||
static const char DB_LAST_BLOCK = 'l';
|
||||
|
||||
|
||||
void static BatchWriteAnchor(CLevelDBBatch &batch,
|
||||
const uint256 &croot,
|
||||
const ZCIncrementalMerkleTree &tree,
|
||||
const bool &entered)
|
||||
{
|
||||
if (!entered)
|
||||
batch.Erase(make_pair(DB_ANCHOR, croot));
|
||||
else {
|
||||
batch.Write(make_pair(DB_ANCHOR, croot), tree);
|
||||
}
|
||||
}
|
||||
|
||||
void static BatchWriteNullifier(CLevelDBBatch &batch, const uint256 &nf, const bool &entered) {
|
||||
if (!entered)
|
||||
batch.Erase(make_pair(DB_NULLIFIER, nf));
|
||||
else
|
||||
batch.Write(make_pair(DB_NULLIFIER, nf), true);
|
||||
}
|
||||
|
||||
void static BatchWriteCoins(CLevelDBBatch &batch, const uint256 &hash, const CCoins &coins) {
|
||||
if (coins.IsPruned())
|
||||
batch.Erase(make_pair(DB_COINS, hash));
|
||||
else
|
||||
batch.Write(make_pair(DB_COINS, hash), coins);
|
||||
}
|
||||
|
||||
void static BatchWriteHashBestChain(CLevelDBBatch &batch, const uint256 &hash) {
|
||||
batch.Write(DB_BEST_BLOCK, hash);
|
||||
}
|
||||
|
||||
void static BatchWriteHashBestAnchor(CLevelDBBatch &batch, const uint256 &hash) {
|
||||
batch.Write(DB_BEST_ANCHOR, hash);
|
||||
}
|
||||
|
||||
CCoinsViewDB::CCoinsViewDB(std::string dbName, size_t nCacheSize, bool fMemory, bool fWipe) : db(GetDataDir() / dbName, nCacheSize, fMemory, fWipe) {
|
||||
}
|
||||
|
||||
CCoinsViewDB::CCoinsViewDB(size_t nCacheSize, bool fMemory, bool fWipe) : db(GetDataDir() / "chainstate", nCacheSize, fMemory, fWipe) {
|
||||
CCoinsViewDB::CCoinsViewDB(size_t nCacheSize, bool fMemory, bool fWipe) : db(GetDataDir() / "chainstate", nCacheSize, fMemory, fWipe)
|
||||
{
|
||||
}
|
||||
|
||||
|
||||
|
@ -118,12 +85,15 @@ bool CCoinsViewDB::BatchWrite(CCoinsMap &mapCoins,
|
|||
const uint256 &hashAnchor,
|
||||
CAnchorsMap &mapAnchors,
|
||||
CNullifiersMap &mapNullifiers) {
|
||||
CLevelDBBatch batch;
|
||||
CDBBatch batch(db);
|
||||
size_t count = 0;
|
||||
size_t changed = 0;
|
||||
for (CCoinsMap::iterator it = mapCoins.begin(); it != mapCoins.end();) {
|
||||
if (it->second.flags & CCoinsCacheEntry::DIRTY) {
|
||||
BatchWriteCoins(batch, it->first, it->second.coins);
|
||||
if (it->second.coins.IsPruned())
|
||||
batch.Erase(make_pair(DB_COINS, it->first));
|
||||
else
|
||||
batch.Write(make_pair(DB_COINS, it->first), it->second.coins);
|
||||
changed++;
|
||||
}
|
||||
count++;
|
||||
|
@ -133,7 +103,11 @@ bool CCoinsViewDB::BatchWrite(CCoinsMap &mapCoins,
|
|||
|
||||
for (CAnchorsMap::iterator it = mapAnchors.begin(); it != mapAnchors.end();) {
|
||||
if (it->second.flags & CAnchorsCacheEntry::DIRTY) {
|
||||
BatchWriteAnchor(batch, it->first, it->second.tree, it->second.entered);
|
||||
if (!it->second.entered)
|
||||
batch.Erase(make_pair(DB_ANCHOR, it->first));
|
||||
else {
|
||||
batch.Write(make_pair(DB_ANCHOR, it->first), it->second.tree);
|
||||
}
|
||||
// TODO: changed++?
|
||||
}
|
||||
CAnchorsMap::iterator itOld = it++;
|
||||
|
@ -142,7 +116,10 @@ bool CCoinsViewDB::BatchWrite(CCoinsMap &mapCoins,
|
|||
|
||||
for (CNullifiersMap::iterator it = mapNullifiers.begin(); it != mapNullifiers.end();) {
|
||||
if (it->second.flags & CNullifiersCacheEntry::DIRTY) {
|
||||
BatchWriteNullifier(batch, it->first, it->second.entered);
|
||||
if (!it->second.entered)
|
||||
batch.Erase(make_pair(DB_NULLIFIER, it->first));
|
||||
else
|
||||
batch.Write(make_pair(DB_NULLIFIER, it->first), true);
|
||||
// TODO: changed++?
|
||||
}
|
||||
CNullifiersMap::iterator itOld = it++;
|
||||
|
@ -150,15 +127,15 @@ bool CCoinsViewDB::BatchWrite(CCoinsMap &mapCoins,
|
|||
}
|
||||
|
||||
if (!hashBlock.IsNull())
|
||||
BatchWriteHashBestChain(batch, hashBlock);
|
||||
batch.Write(DB_BEST_BLOCK, hashBlock);
|
||||
if (!hashAnchor.IsNull())
|
||||
BatchWriteHashBestAnchor(batch, hashAnchor);
|
||||
batch.Write(DB_BEST_ANCHOR, hashAnchor);
|
||||
|
||||
LogPrint("coindb", "Committing %u changed transactions (out of %u) to coin database...\n", (unsigned int)changed, (unsigned int)count);
|
||||
return db.WriteBatch(batch);
|
||||
}
|
||||
|
||||
CBlockTreeDB::CBlockTreeDB(size_t nCacheSize, bool fMemory, bool fWipe) : CLevelDBWrapper(GetDataDir() / "blocks" / "index", nCacheSize, fMemory, fWipe) {
|
||||
CBlockTreeDB::CBlockTreeDB(size_t nCacheSize, bool fMemory, bool fWipe) : CDBWrapper(GetDataDir() / "blocks" / "index", nCacheSize, fMemory, fWipe) {
|
||||
}
|
||||
|
||||
bool CBlockTreeDB::ReadBlockFileInfo(int nFile, CBlockFileInfo &info) {
|
||||
|
@ -185,8 +162,8 @@ bool CCoinsViewDB::GetStats(CCoinsStats &stats) const {
|
|||
/* It seems that there are no "const iterators" for LevelDB. Since we
|
||||
only need read operations on it, use a const-cast to get around
|
||||
that restriction. */
|
||||
boost::scoped_ptr<leveldb::Iterator> pcursor(const_cast<CLevelDBWrapper*>(&db)->NewIterator());
|
||||
pcursor->SeekToFirst();
|
||||
boost::scoped_ptr<CDBIterator> pcursor(const_cast<CDBWrapper*>(&db)->NewIterator());
|
||||
pcursor->Seek(DB_COINS);
|
||||
|
||||
CHashWriter ss(SER_GETHASH, PROTOCOL_VERSION);
|
||||
stats.hashBlock = GetBestBlock();
|
||||
|
@ -194,22 +171,10 @@ bool CCoinsViewDB::GetStats(CCoinsStats &stats) const {
|
|||
CAmount nTotalAmount = 0;
|
||||
while (pcursor->Valid()) {
|
||||
boost::this_thread::interruption_point();
|
||||
try {
|
||||
leveldb::Slice slKey = pcursor->key();
|
||||
CDataStream ssKey(slKey.data(), slKey.data()+slKey.size(), SER_DISK, CLIENT_VERSION);
|
||||
char chType;
|
||||
ssKey >> chType;
|
||||
if (chType == DB_COINS) {
|
||||
leveldb::Slice slValue = pcursor->value();
|
||||
CDataStream ssValue(slValue.data(), slValue.data()+slValue.size(), SER_DISK, CLIENT_VERSION);
|
||||
CCoins coins;
|
||||
ssValue >> coins;
|
||||
uint256 txhash;
|
||||
ssKey >> txhash;
|
||||
ss << txhash;
|
||||
ss << VARINT(coins.nVersion);
|
||||
ss << (coins.fCoinBase ? 'c' : 'n');
|
||||
ss << VARINT(coins.nHeight);
|
||||
std::pair<char, uint256> key;
|
||||
CCoins coins;
|
||||
if (pcursor->GetKey(key) && key.first == DB_COINS) {
|
||||
if (pcursor->GetValue(coins)) {
|
||||
stats.nTransactions++;
|
||||
for (unsigned int i=0; i<coins.vout.size(); i++) {
|
||||
const CTxOut &out = coins.vout[i];
|
||||
|
@ -220,13 +185,15 @@ bool CCoinsViewDB::GetStats(CCoinsStats &stats) const {
|
|||
nTotalAmount += out.nValue;
|
||||
}
|
||||
}
|
||||
stats.nSerializedSize += 32 + slValue.size();
|
||||
stats.nSerializedSize += 32 + pcursor->GetValueSize();
|
||||
ss << VARINT(0);
|
||||
} else {
|
||||
return error("CCoinsViewDB::GetStats() : unable to read value");
|
||||
}
|
||||
pcursor->Next();
|
||||
} catch (const std::exception& e) {
|
||||
return error("%s: Deserialize or I/O error - %s", __func__, e.what());
|
||||
} else {
|
||||
break;
|
||||
}
|
||||
pcursor->Next();
|
||||
}
|
||||
{
|
||||
LOCK(cs_main);
|
||||
|
@ -238,7 +205,7 @@ bool CCoinsViewDB::GetStats(CCoinsStats &stats) const {
|
|||
}
|
||||
|
||||
bool CBlockTreeDB::WriteBatchSync(const std::vector<std::pair<int, const CBlockFileInfo*> >& fileInfo, int nLastFile, const std::vector<const CBlockIndex*>& blockinfo) {
|
||||
CLevelDBBatch batch;
|
||||
CDBBatch batch(*this);
|
||||
for (std::vector<std::pair<int, const CBlockFileInfo*> >::const_iterator it=fileInfo.begin(); it != fileInfo.end(); it++) {
|
||||
batch.Write(make_pair(DB_BLOCK_FILES, it->first), *it->second);
|
||||
}
|
||||
|
@ -250,7 +217,7 @@ bool CBlockTreeDB::WriteBatchSync(const std::vector<std::pair<int, const CBlockF
|
|||
}
|
||||
|
||||
bool CBlockTreeDB::EraseBatchSync(const std::vector<const CBlockIndex*>& blockinfo) {
|
||||
CLevelDBBatch batch;
|
||||
CDBBatch batch(*this);
|
||||
for (std::vector<const CBlockIndex*>::const_iterator it=blockinfo.begin(); it != blockinfo.end(); it++) {
|
||||
batch.Erase(make_pair(DB_BLOCK_INDEX, (*it)->GetBlockHash()));
|
||||
}
|
||||
|
@ -262,7 +229,7 @@ bool CBlockTreeDB::ReadTxIndex(const uint256 &txid, CDiskTxPos &pos) {
|
|||
}
|
||||
|
||||
bool CBlockTreeDB::WriteTxIndex(const std::vector<std::pair<uint256, CDiskTxPos> >&vect) {
|
||||
CLevelDBBatch batch;
|
||||
CDBBatch batch(*this);
|
||||
for (std::vector<std::pair<uint256,CDiskTxPos> >::const_iterator it=vect.begin(); it!=vect.end(); it++)
|
||||
batch.Write(make_pair(DB_TXINDEX, it->first), it->second);
|
||||
return WriteBatch(batch);
|
||||
|
@ -282,26 +249,17 @@ bool CBlockTreeDB::ReadFlag(const std::string &name, bool &fValue) {
|
|||
|
||||
bool CBlockTreeDB::LoadBlockIndexGuts()
|
||||
{
|
||||
boost::scoped_ptr<leveldb::Iterator> pcursor(NewIterator());
|
||||
boost::scoped_ptr<CDBIterator> pcursor(NewIterator());
|
||||
|
||||
CDataStream ssKeySet(SER_DISK, CLIENT_VERSION);
|
||||
ssKeySet << make_pair(DB_BLOCK_INDEX, uint256());
|
||||
pcursor->Seek(ssKeySet.str());
|
||||
pcursor->Seek(make_pair(DB_BLOCK_INDEX, uint256()));
|
||||
|
||||
// Load mapBlockIndex
|
||||
while (pcursor->Valid()) {
|
||||
boost::this_thread::interruption_point();
|
||||
try {
|
||||
leveldb::Slice slKey = pcursor->key();
|
||||
CDataStream ssKey(slKey.data(), slKey.data()+slKey.size(), SER_DISK, CLIENT_VERSION);
|
||||
char chType;
|
||||
ssKey >> chType;
|
||||
if (chType == DB_BLOCK_INDEX) {
|
||||
leveldb::Slice slValue = pcursor->value();
|
||||
CDataStream ssValue(slValue.data(), slValue.data()+slValue.size(), SER_DISK, CLIENT_VERSION);
|
||||
CDiskBlockIndex diskindex;
|
||||
ssValue >> diskindex;
|
||||
|
||||
std::pair<char, uint256> key;
|
||||
if (pcursor->GetKey(key) && key.first == DB_BLOCK_INDEX) {
|
||||
CDiskBlockIndex diskindex;
|
||||
if (pcursor->GetValue(diskindex)) {
|
||||
// Construct block index object
|
||||
CBlockIndex* pindexNew = InsertBlockIndex(diskindex.GetBlockHash());
|
||||
pindexNew->pprev = InsertBlockIndex(diskindex.hashPrev);
|
||||
|
@ -332,10 +290,10 @@ bool CBlockTreeDB::LoadBlockIndexGuts()
|
|||
|
||||
pcursor->Next();
|
||||
} else {
|
||||
break; // if shutdown requested or finished loading block index
|
||||
return error("LoadBlockIndex() : failed to read value");
|
||||
}
|
||||
} catch (const std::exception& e) {
|
||||
return error("%s: Deserialize or I/O error - %s", __func__, e.what());
|
||||
} else {
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
@ -7,7 +7,7 @@
|
|||
#define BITCOIN_TXDB_H
|
||||
|
||||
#include "coins.h"
|
||||
#include "leveldbwrapper.h"
|
||||
#include "dbwrapper.h"
|
||||
|
||||
#include <map>
|
||||
#include <string>
|
||||
|
@ -26,11 +26,11 @@ static const int64_t nMaxDbCache = sizeof(void*) > 4 ? 16384 : 1024;
|
|||
//! min. -dbcache in (MiB)
|
||||
static const int64_t nMinDbCache = 4;
|
||||
|
||||
/** CCoinsView backed by the LevelDB coin database (chainstate/) */
|
||||
/** CCoinsView backed by the coin database (chainstate/) */
|
||||
class CCoinsViewDB : public CCoinsView
|
||||
{
|
||||
protected:
|
||||
CLevelDBWrapper db;
|
||||
CDBWrapper db;
|
||||
CCoinsViewDB(std::string dbName, size_t nCacheSize, bool fMemory = false, bool fWipe = false);
|
||||
public:
|
||||
CCoinsViewDB(size_t nCacheSize, bool fMemory = false, bool fWipe = false);
|
||||
|
@ -50,7 +50,7 @@ public:
|
|||
};
|
||||
|
||||
/** Access to the block database (blocks/index/) */
|
||||
class CBlockTreeDB : public CLevelDBWrapper
|
||||
class CBlockTreeDB : public CDBWrapper
|
||||
{
|
||||
public:
|
||||
CBlockTreeDB(size_t nCacheSize, bool fMemory = false, bool fWipe = false);
|
||||
|
|
Loading…
Reference in New Issue