From d223bc940a16712f221f634047408e8771dff26c Mon Sep 17 00:00:00 2001 From: practicalswift Date: Wed, 9 Aug 2017 17:08:22 +0200 Subject: [PATCH] Use unique_ptr for pcoinscatcher/pcoinsdbview/pcoinsTip/pblocktree * pcoinscatcher (CCoinsViewErrorCatcher) * pcoinsdbview (CCoinsViewDB) * pcoinsTip (CCoinsViewCache) * pblocktree (CBlockTreeDB) * Remove variables shadowing pcoinsdbview --- src/init.cpp | 34 ++++++++++++++-------------------- src/net_processing.cpp | 4 ++-- src/qt/test/rpcnestedtests.h | 3 --- src/rpc/blockchain.cpp | 6 +++--- src/test/test_bitcoin.cpp | 12 ++++++------ src/test/test_bitcoin.h | 1 - src/test/txvalidationcache_tests.cpp | 18 +++++++++--------- src/validation.cpp | 20 ++++++++++---------- src/validation.h | 6 +++--- 9 files changed, 47 insertions(+), 57 deletions(-) diff --git a/src/init.cpp b/src/init.cpp index ddac606a3..7ac2cf2d3 100644 --- a/src/init.cpp +++ b/src/init.cpp @@ -152,7 +152,7 @@ public: // Writes do not need similar protection, as failure to write is handled by the caller. }; -static CCoinsViewErrorCatcher *pcoinscatcher = nullptr; +static std::unique_ptr pcoinscatcher; static std::unique_ptr globalVerifyHandle; void Interrupt(boost::thread_group& threadGroup) @@ -235,14 +235,10 @@ void Shutdown() if (pcoinsTip != nullptr) { FlushStateToDisk(); } - delete pcoinsTip; - pcoinsTip = nullptr; - delete pcoinscatcher; - pcoinscatcher = nullptr; - delete pcoinsdbview; - pcoinsdbview = nullptr; - delete pblocktree; - pblocktree = nullptr; + pcoinsTip.reset(); + pcoinscatcher.reset(); + pcoinsdbview.reset(); + pblocktree.reset(); } #ifdef ENABLE_WALLET StopWallets(); @@ -1406,12 +1402,10 @@ bool AppInitMain(boost::thread_group& threadGroup, CScheduler& scheduler) do { try { UnloadBlockIndex(); - delete pcoinsTip; - delete pcoinsdbview; - delete pcoinscatcher; - delete pblocktree; - - pblocktree = new CBlockTreeDB(nBlockTreeDBCache, false, fReset); + pcoinsTip.reset(); + pcoinsdbview.reset(); + pcoinscatcher.reset(); + pblocktree.reset(new CBlockTreeDB(nBlockTreeDBCache, false, fReset)); if (fReset) { pblocktree->WriteReindexing(true); @@ -1462,8 +1456,8 @@ bool AppInitMain(boost::thread_group& threadGroup, CScheduler& scheduler) // At this point we're either in reindex or we've loaded a useful // block tree into mapBlockIndex! - pcoinsdbview = new CCoinsViewDB(nCoinDBCache, false, fReset || fReindexChainState); - pcoinscatcher = new CCoinsViewErrorCatcher(pcoinsdbview); + pcoinsdbview.reset(new CCoinsViewDB(nCoinDBCache, false, fReset || fReindexChainState)); + pcoinscatcher.reset(new CCoinsViewErrorCatcher(pcoinsdbview.get())); // If necessary, upgrade from older database format. // This is a no-op if we cleared the coinsviewdb with -reindex or -reindex-chainstate @@ -1473,13 +1467,13 @@ bool AppInitMain(boost::thread_group& threadGroup, CScheduler& scheduler) } // ReplayBlocks is a no-op if we cleared the coinsviewdb with -reindex or -reindex-chainstate - if (!ReplayBlocks(chainparams, pcoinsdbview)) { + if (!ReplayBlocks(chainparams, pcoinsdbview.get())) { strLoadError = _("Unable to replay blocks. You will need to rebuild the database using -reindex-chainstate."); break; } // The on-disk coinsdb is now in a good state, create the cache - pcoinsTip = new CCoinsViewCache(pcoinscatcher); + pcoinsTip.reset(new CCoinsViewCache(pcoinscatcher.get())); bool is_coinsview_empty = fReset || fReindexChainState || pcoinsTip->GetBestBlock().IsNull(); if (!is_coinsview_empty) { @@ -1521,7 +1515,7 @@ bool AppInitMain(boost::thread_group& threadGroup, CScheduler& scheduler) } } - if (!CVerifyDB().VerifyDB(chainparams, pcoinsdbview, gArgs.GetArg("-checklevel", DEFAULT_CHECKLEVEL), + if (!CVerifyDB().VerifyDB(chainparams, pcoinsdbview.get(), gArgs.GetArg("-checklevel", DEFAULT_CHECKLEVEL), gArgs.GetArg("-checkblocks", DEFAULT_CHECKBLOCKS))) { strLoadError = _("Corrupted block database detected"); break; diff --git a/src/net_processing.cpp b/src/net_processing.cpp index 3b26a98f4..ff6f796b3 100644 --- a/src/net_processing.cpp +++ b/src/net_processing.cpp @@ -2106,7 +2106,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr if (!AlreadyHave(inv) && AcceptToMemoryPool(mempool, state, ptx, &fMissingInputs, &lRemovedTxn, false /* bypass_limits */, 0 /* nAbsurdFee */)) { - mempool.check(pcoinsTip); + mempool.check(pcoinsTip.get()); RelayTransaction(tx, connman); for (unsigned int i = 0; i < tx.vout.size(); i++) { vWorkQueue.emplace_back(inv.hash, i); @@ -2173,7 +2173,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr recentRejects->insert(orphanHash); } } - mempool.check(pcoinsTip); + mempool.check(pcoinsTip.get()); } } diff --git a/src/qt/test/rpcnestedtests.h b/src/qt/test/rpcnestedtests.h index 9ad409019..59d7f3784 100644 --- a/src/qt/test/rpcnestedtests.h +++ b/src/qt/test/rpcnestedtests.h @@ -17,9 +17,6 @@ class RPCNestedTests : public QObject private Q_SLOTS: void rpcNestedTests(); - -private: - CCoinsViewDB *pcoinsdbview; }; #endif // BITCOIN_QT_TEST_RPC_NESTED_TESTS_H diff --git a/src/rpc/blockchain.cpp b/src/rpc/blockchain.cpp index 8d01d8ba9..4a3404308 100644 --- a/src/rpc/blockchain.cpp +++ b/src/rpc/blockchain.cpp @@ -928,7 +928,7 @@ UniValue gettxoutsetinfo(const JSONRPCRequest& request) CCoinsStats stats; FlushStateToDisk(); - if (GetUTXOStats(pcoinsdbview, stats)) { + if (GetUTXOStats(pcoinsdbview.get(), stats)) { ret.push_back(Pair("height", (int64_t)stats.nHeight)); ret.push_back(Pair("bestblock", stats.hashBlock.GetHex())); ret.push_back(Pair("transactions", (int64_t)stats.nTransactions)); @@ -996,7 +996,7 @@ UniValue gettxout(const JSONRPCRequest& request) Coin coin; if (fMempool) { LOCK(mempool.cs); - CCoinsViewMemPool view(pcoinsTip, mempool); + CCoinsViewMemPool view(pcoinsTip.get(), mempool); if (!view.GetCoin(out, coin) || mempool.isSpent(out)) { return NullUniValue; } @@ -1048,7 +1048,7 @@ UniValue verifychain(const JSONRPCRequest& request) if (!request.params[1].isNull()) nCheckDepth = request.params[1].get_int(); - return CVerifyDB().VerifyDB(Params(), pcoinsTip, nCheckLevel, nCheckDepth); + return CVerifyDB().VerifyDB(Params(), pcoinsTip.get(), nCheckLevel, nCheckDepth); } /** Implementation of IsSuperMajority with better feedback */ diff --git a/src/test/test_bitcoin.cpp b/src/test/test_bitcoin.cpp index f9ce52c59..0d7d52478 100644 --- a/src/test/test_bitcoin.cpp +++ b/src/test/test_bitcoin.cpp @@ -81,9 +81,9 @@ TestingSetup::TestingSetup(const std::string& chainName) : BasicTestingSetup(cha GetMainSignals().RegisterBackgroundSignalScheduler(scheduler); mempool.setSanityCheck(1.0); - pblocktree = new CBlockTreeDB(1 << 20, true); - pcoinsdbview = new CCoinsViewDB(1 << 23, true); - pcoinsTip = new CCoinsViewCache(pcoinsdbview); + pblocktree.reset(new CBlockTreeDB(1 << 20, true)); + pcoinsdbview.reset(new CCoinsViewDB(1 << 23, true)); + pcoinsTip.reset(new CCoinsViewCache(pcoinsdbview.get())); if (!LoadGenesisBlock(chainparams)) { throw std::runtime_error("LoadGenesisBlock failed."); } @@ -110,9 +110,9 @@ TestingSetup::~TestingSetup() g_connman.reset(); peerLogic.reset(); UnloadBlockIndex(); - delete pcoinsTip; - delete pcoinsdbview; - delete pblocktree; + pcoinsTip.reset(); + pcoinsdbview.reset(); + pblocktree.reset(); fs::remove_all(pathTemp); } diff --git a/src/test/test_bitcoin.h b/src/test/test_bitcoin.h index 62ded2aaf..6398386d4 100644 --- a/src/test/test_bitcoin.h +++ b/src/test/test_bitcoin.h @@ -57,7 +57,6 @@ struct CConnmanTest { class PeerLogicValidation; struct TestingSetup: public BasicTestingSetup { - CCoinsViewDB *pcoinsdbview; fs::path pathTemp; boost::thread_group threadGroup; CConnman* connman; diff --git a/src/test/txvalidationcache_tests.cpp b/src/test/txvalidationcache_tests.cpp index 82ca93e7d..7d551a7bb 100644 --- a/src/test/txvalidationcache_tests.cpp +++ b/src/test/txvalidationcache_tests.cpp @@ -119,7 +119,7 @@ void ValidateCheckInputsForAllFlags(CMutableTransaction &tx, uint32_t failing_fl // WITNESS requires P2SH test_flags |= SCRIPT_VERIFY_P2SH; } - bool ret = CheckInputs(tx, state, pcoinsTip, true, test_flags, true, add_to_cache, txdata, nullptr); + bool ret = CheckInputs(tx, state, pcoinsTip.get(), true, test_flags, true, add_to_cache, txdata, nullptr); // CheckInputs should succeed iff test_flags doesn't intersect with // failing_flags bool expected_return_value = !(test_flags & failing_flags); @@ -135,13 +135,13 @@ void ValidateCheckInputsForAllFlags(CMutableTransaction &tx, uint32_t failing_fl if (ret && add_to_cache) { // Check that we get a cache hit if the tx was valid std::vector scriptchecks; - BOOST_CHECK(CheckInputs(tx, state, pcoinsTip, true, test_flags, true, add_to_cache, txdata, &scriptchecks)); + BOOST_CHECK(CheckInputs(tx, state, pcoinsTip.get(), true, test_flags, true, add_to_cache, txdata, &scriptchecks)); BOOST_CHECK(scriptchecks.empty()); } else { // Check that we get script executions to check, if the transaction // was invalid, or we didn't add to cache. std::vector scriptchecks; - BOOST_CHECK(CheckInputs(tx, state, pcoinsTip, true, test_flags, true, add_to_cache, txdata, &scriptchecks)); + BOOST_CHECK(CheckInputs(tx, state, pcoinsTip.get(), true, test_flags, true, add_to_cache, txdata, &scriptchecks)); BOOST_CHECK_EQUAL(scriptchecks.size(), tx.vin.size()); } } @@ -201,13 +201,13 @@ BOOST_FIXTURE_TEST_CASE(checkinputs_test, TestChain100Setup) CValidationState state; PrecomputedTransactionData ptd_spend_tx(spend_tx); - BOOST_CHECK(!CheckInputs(spend_tx, state, pcoinsTip, true, SCRIPT_VERIFY_P2SH | SCRIPT_VERIFY_DERSIG, true, true, ptd_spend_tx, nullptr)); + BOOST_CHECK(!CheckInputs(spend_tx, state, pcoinsTip.get(), true, SCRIPT_VERIFY_P2SH | SCRIPT_VERIFY_DERSIG, true, true, ptd_spend_tx, nullptr)); // If we call again asking for scriptchecks (as happens in // ConnectBlock), we should add a script check object for this -- we're // not caching invalidity (if that changes, delete this test case). std::vector scriptchecks; - BOOST_CHECK(CheckInputs(spend_tx, state, pcoinsTip, true, SCRIPT_VERIFY_P2SH | SCRIPT_VERIFY_DERSIG, true, true, ptd_spend_tx, &scriptchecks)); + BOOST_CHECK(CheckInputs(spend_tx, state, pcoinsTip.get(), true, SCRIPT_VERIFY_P2SH | SCRIPT_VERIFY_DERSIG, true, true, ptd_spend_tx, &scriptchecks)); BOOST_CHECK_EQUAL(scriptchecks.size(), 1); // Test that CheckInputs returns true iff DERSIG-enforcing flags are @@ -268,7 +268,7 @@ BOOST_FIXTURE_TEST_CASE(checkinputs_test, TestChain100Setup) invalid_with_cltv_tx.vin[0].scriptSig = CScript() << vchSig << 100; CValidationState state; PrecomputedTransactionData txdata(invalid_with_cltv_tx); - BOOST_CHECK(CheckInputs(invalid_with_cltv_tx, state, pcoinsTip, true, SCRIPT_VERIFY_CHECKLOCKTIMEVERIFY, true, true, txdata, nullptr)); + BOOST_CHECK(CheckInputs(invalid_with_cltv_tx, state, pcoinsTip.get(), true, SCRIPT_VERIFY_CHECKLOCKTIMEVERIFY, true, true, txdata, nullptr)); } // TEST CHECKSEQUENCEVERIFY @@ -296,7 +296,7 @@ BOOST_FIXTURE_TEST_CASE(checkinputs_test, TestChain100Setup) invalid_with_csv_tx.vin[0].scriptSig = CScript() << vchSig << 100; CValidationState state; PrecomputedTransactionData txdata(invalid_with_csv_tx); - BOOST_CHECK(CheckInputs(invalid_with_csv_tx, state, pcoinsTip, true, SCRIPT_VERIFY_CHECKSEQUENCEVERIFY, true, true, txdata, nullptr)); + BOOST_CHECK(CheckInputs(invalid_with_csv_tx, state, pcoinsTip.get(), true, SCRIPT_VERIFY_CHECKSEQUENCEVERIFY, true, true, txdata, nullptr)); } // TODO: add tests for remaining script flags @@ -358,12 +358,12 @@ BOOST_FIXTURE_TEST_CASE(checkinputs_test, TestChain100Setup) CValidationState state; PrecomputedTransactionData txdata(tx); // This transaction is now invalid under segwit, because of the second input. - BOOST_CHECK(!CheckInputs(tx, state, pcoinsTip, true, SCRIPT_VERIFY_P2SH | SCRIPT_VERIFY_WITNESS, true, true, txdata, nullptr)); + BOOST_CHECK(!CheckInputs(tx, state, pcoinsTip.get(), true, SCRIPT_VERIFY_P2SH | SCRIPT_VERIFY_WITNESS, true, true, txdata, nullptr)); std::vector scriptchecks; // Make sure this transaction was not cached (ie because the first // input was valid) - BOOST_CHECK(CheckInputs(tx, state, pcoinsTip, true, SCRIPT_VERIFY_P2SH | SCRIPT_VERIFY_WITNESS, true, true, txdata, &scriptchecks)); + BOOST_CHECK(CheckInputs(tx, state, pcoinsTip.get(), true, SCRIPT_VERIFY_P2SH | SCRIPT_VERIFY_WITNESS, true, true, txdata, &scriptchecks)); // Should get 2 script checks back -- caching is on a whole-transaction basis. BOOST_CHECK_EQUAL(scriptchecks.size(), 2); } diff --git a/src/validation.cpp b/src/validation.cpp index efabe6293..e7b6fc52a 100644 --- a/src/validation.cpp +++ b/src/validation.cpp @@ -201,9 +201,9 @@ CBlockIndex* FindForkInGlobalIndex(const CChain& chain, const CBlockLocator& loc return chain.Genesis(); } -CCoinsViewDB *pcoinsdbview = nullptr; -CCoinsViewCache *pcoinsTip = nullptr; -CBlockTreeDB *pblocktree = nullptr; +std::unique_ptr pcoinsdbview; +std::unique_ptr pcoinsTip; +std::unique_ptr pblocktree; enum FlushStateMode { FLUSH_STATE_NONE, @@ -295,7 +295,7 @@ bool CheckSequenceLocks(const CTransaction &tx, int flags, LockPoints* lp, bool } else { // pcoinsTip contains the UTXO set for chainActive.Tip() - CCoinsViewMemPool viewMemPool(pcoinsTip, mempool); + CCoinsViewMemPool viewMemPool(pcoinsTip.get(), mempool); std::vector prevheights; prevheights.resize(tx.vin.size()); for (size_t txinIndex = 0; txinIndex < tx.vin.size(); txinIndex++) { @@ -424,7 +424,7 @@ void UpdateMempoolForReorg(DisconnectedBlockTransactions &disconnectpool, bool f mempool.UpdateTransactionsFromBlock(vHashUpdate); // We also need to remove any now-immature transactions - mempool.removeForReorg(pcoinsTip, chainActive.Tip()->nHeight + 1, STANDARD_LOCKTIME_VERIFY_FLAGS); + mempool.removeForReorg(pcoinsTip.get(), chainActive.Tip()->nHeight + 1, STANDARD_LOCKTIME_VERIFY_FLAGS); // Re-limit mempool size, in case we added any transactions LimitMempoolSize(mempool, gArgs.GetArg("-maxmempool", DEFAULT_MAX_MEMPOOL_SIZE) * 1000000, gArgs.GetArg("-mempoolexpiry", DEFAULT_MEMPOOL_EXPIRY) * 60 * 60); } @@ -557,7 +557,7 @@ static bool AcceptToMemoryPoolWorker(const CChainParams& chainparams, CTxMemPool LockPoints lp; { LOCK(pool.cs); - CCoinsViewMemPool viewMemPool(pcoinsTip, pool); + CCoinsViewMemPool viewMemPool(pcoinsTip.get(), pool); view.SetBackend(viewMemPool); // do all inputs exist? @@ -2105,7 +2105,7 @@ bool static DisconnectTip(CValidationState& state, const CChainParams& chainpara // Apply the block atomically to the chain state. int64_t nStart = GetTimeMicros(); { - CCoinsViewCache view(pcoinsTip); + CCoinsViewCache view(pcoinsTip.get()); assert(view.GetBestBlock() == pindexDelete->GetBlockHash()); if (DisconnectBlock(block, pindexDelete, view) != DISCONNECT_OK) return error("DisconnectTip(): DisconnectBlock %s failed", pindexDelete->GetBlockHash().ToString()); @@ -2235,7 +2235,7 @@ bool static ConnectTip(CValidationState& state, const CChainParams& chainparams, int64_t nTime3; LogPrint(BCLog::BENCH, " - Load block from disk: %.2fms [%.2fs]\n", (nTime2 - nTime1) * MILLI, nTimeReadFromDisk * MICRO); { - CCoinsViewCache view(pcoinsTip); + CCoinsViewCache view(pcoinsTip.get()); bool rv = ConnectBlock(blockConnecting, state, pindexNew, view, chainparams); GetMainSignals().BlockChecked(blockConnecting, state); if (!rv) { @@ -2413,7 +2413,7 @@ static bool ActivateBestChainStep(CValidationState& state, const CChainParams& c // any disconnected transactions back to the mempool. UpdateMempoolForReorg(disconnectpool, true); } - mempool.check(pcoinsTip); + mempool.check(pcoinsTip.get()); // Callbacks/notifications for a new best chain. if (fInvalidFound) @@ -3275,7 +3275,7 @@ bool TestBlockValidity(CValidationState& state, const CChainParams& chainparams, { AssertLockHeld(cs_main); assert(pindexPrev && pindexPrev == chainActive.Tip()); - CCoinsViewCache viewNew(pcoinsTip); + CCoinsViewCache viewNew(pcoinsTip.get()); CBlockIndex indexDummy(block); indexDummy.pprev = pindexPrev; indexDummy.nHeight = pindexPrev->nHeight + 1; diff --git a/src/validation.h b/src/validation.h index 93669de6c..f2ffdc899 100644 --- a/src/validation.h +++ b/src/validation.h @@ -444,13 +444,13 @@ bool ResetBlockFailureFlags(CBlockIndex *pindex); extern CChain chainActive; /** Global variable that points to the coins database (protected by cs_main) */ -extern CCoinsViewDB *pcoinsdbview; +extern std::unique_ptr pcoinsdbview; /** Global variable that points to the active CCoinsView (protected by cs_main) */ -extern CCoinsViewCache *pcoinsTip; +extern std::unique_ptr pcoinsTip; /** Global variable that points to the active block tree (protected by cs_main) */ -extern CBlockTreeDB *pblocktree; +extern std::unique_ptr pblocktree; /** * Return the spend height, which is one more than the inputs.GetBestBlock(). -- 2.11.4.GIT