diff options
Diffstat (limited to 'src/validation.cpp')
-rw-r--r-- | src/validation.cpp | 111 |
1 files changed, 66 insertions, 45 deletions
diff --git a/src/validation.cpp b/src/validation.cpp index eeb99f0f0a..38df71b994 100644 --- a/src/validation.cpp +++ b/src/validation.cpp @@ -167,17 +167,19 @@ namespace { std::set<int> setDirtyFileInfo; } // anon namespace -CBlockIndex* LookupBlockIndex(const uint256& hash) +CBlockIndex* BlockManager::LookupBlockIndex(const uint256& hash) { AssertLockHeld(cs_main); - BlockMap::const_iterator it = g_chainman.BlockIndex().find(hash); - return it == g_chainman.BlockIndex().end() ? nullptr : it->second; + assert(std::addressof(g_chainman.BlockIndex()) == std::addressof(m_block_index)); + BlockMap::const_iterator it = m_block_index.find(hash); + return it == m_block_index.end() ? nullptr : it->second; } -CBlockIndex* FindForkInGlobalIndex(const CChain& chain, const CBlockLocator& locator) +CBlockIndex* BlockManager::FindForkInGlobalIndex(const CChain& chain, const CBlockLocator& locator) { AssertLockHeld(cs_main); + assert(std::addressof(g_chainman.m_blockman) == std::addressof(*this)); // Find the latest block common to locator and chain - we expect that // locator.vHave is sorted descending by height. for (const uint256& hash : locator.vHave) { @@ -682,7 +684,7 @@ bool MemPoolAccept::PreChecks(ATMPArgs& args, Workspace& ws) return state.Invalid(TxValidationResult::TX_PREMATURE_SPEND, "non-BIP68-final"); CAmount nFees = 0; - if (!Consensus::CheckTxInputs(tx, state, m_view, GetSpendHeight(m_view), nFees)) { + if (!Consensus::CheckTxInputs(tx, state, m_view, g_chainman.m_blockman.GetSpendHeight(m_view), nFees)) { return false; // state filled in by CheckTxInputs } @@ -1262,8 +1264,8 @@ void CoinsViews::InitCache() } CChainState::CChainState(CTxMemPool& mempool, BlockManager& blockman, uint256 from_snapshot_blockhash) - : m_blockman(blockman), - m_mempool(mempool), + : m_mempool(mempool), + m_blockman(blockman), m_from_snapshot_blockhash(from_snapshot_blockhash) {} void CChainState::InitCoinsDB( @@ -1410,9 +1412,10 @@ bool CScriptCheck::operator()() { return VerifyScript(scriptSig, m_tx_out.scriptPubKey, witness, nFlags, CachingTransactionSignatureChecker(ptxTo, nIn, m_tx_out.nValue, cacheStore, *txdata), &error); } -int GetSpendHeight(const CCoinsViewCache& inputs) +int BlockManager::GetSpendHeight(const CCoinsViewCache& inputs) { - LOCK(cs_main); + AssertLockHeld(cs_main); + assert(std::addressof(g_chainman.m_blockman) == std::addressof(*this)); CBlockIndex* pindexPrev = LookupBlockIndex(inputs.GetBestBlock()); return pindexPrev->nHeight + 1; } @@ -2767,7 +2770,7 @@ static SynchronizationState GetSynchronizationState(bool init) return SynchronizationState::INIT_DOWNLOAD; } -static bool NotifyHeaderTip() LOCKS_EXCLUDED(cs_main) { +static bool NotifyHeaderTip(CChainState& chainstate) LOCKS_EXCLUDED(cs_main) { bool fNotify = false; bool fInitialBlockDownload = false; static CBlockIndex* pindexHeaderOld = nullptr; @@ -2778,7 +2781,8 @@ static bool NotifyHeaderTip() LOCKS_EXCLUDED(cs_main) { if (pindexHeader != pindexHeaderOld) { fNotify = true; - fInitialBlockDownload = ::ChainstateActive().IsInitialBlockDownload(); + assert(std::addressof(::ChainstateActive()) == std::addressof(chainstate)); + fInitialBlockDownload = chainstate.IsInitialBlockDownload(); pindexHeaderOld = pindexHeader; } } @@ -2895,10 +2899,6 @@ bool CChainState::ActivateBestChain(BlockValidationState &state, const CChainPar return true; } -bool ActivateBestChain(BlockValidationState &state, const CChainParams& chainparams, std::shared_ptr<const CBlock> pblock) { - return ::ChainstateActive().ActivateBestChain(state, chainparams, std::move(pblock)); -} - bool CChainState::PreciousBlock(BlockValidationState& state, const CChainParams& params, CBlockIndex *pindex) { { @@ -3398,14 +3398,14 @@ std::vector<unsigned char> GenerateCoinbaseCommitment(CBlock& block, const CBloc return commitment; } -//! Returns last CBlockIndex* that is a checkpoint -static CBlockIndex* GetLastCheckpoint(const CCheckpointData& data) EXCLUSIVE_LOCKS_REQUIRED(cs_main) +CBlockIndex* BlockManager::GetLastCheckpoint(const CCheckpointData& data) { const MapCheckpoints& checkpoints = data.mapCheckpoints; for (const MapCheckpoints::value_type& i : reverse_iterate(checkpoints)) { const uint256& hash = i.second; + assert(std::addressof(g_chainman.m_blockman) == std::addressof(*this)); CBlockIndex* pindex = LookupBlockIndex(hash); if (pindex) { return pindex; @@ -3423,7 +3423,7 @@ static CBlockIndex* GetLastCheckpoint(const CCheckpointData& data) EXCLUSIVE_LOC * in ConnectBlock(). * Note that -reindex-chainstate skips the validation that happens here! */ -static bool ContextualCheckBlockHeader(const CBlockHeader& block, BlockValidationState& state, const CChainParams& params, const CBlockIndex* pindexPrev, int64_t nAdjustedTime) EXCLUSIVE_LOCKS_REQUIRED(cs_main) +static bool ContextualCheckBlockHeader(const CBlockHeader& block, BlockValidationState& state, BlockManager& blockman, const CChainParams& params, const CBlockIndex* pindexPrev, int64_t nAdjustedTime) EXCLUSIVE_LOCKS_REQUIRED(cs_main) { assert(pindexPrev != nullptr); const int nHeight = pindexPrev->nHeight + 1; @@ -3438,7 +3438,8 @@ static bool ContextualCheckBlockHeader(const CBlockHeader& block, BlockValidatio // Don't accept any forks from the main chain prior to last checkpoint. // GetLastCheckpoint finds the last checkpoint in MapCheckpoints that's in our // BlockIndex(). - CBlockIndex* pcheckpoint = GetLastCheckpoint(params.Checkpoints()); + assert(std::addressof(g_chainman.m_blockman) == std::addressof(blockman)); + CBlockIndex* pcheckpoint = blockman.GetLastCheckpoint(params.Checkpoints()); if (pcheckpoint && nHeight < pcheckpoint->nHeight) { LogPrintf("ERROR: %s: forked chain older than last checkpoint (height %d)\n", __func__, nHeight); return state.Invalid(BlockValidationResult::BLOCK_CHECKPOINT, "bad-fork-prior-to-checkpoint"); @@ -3558,11 +3559,10 @@ bool BlockManager::AcceptBlockHeader(const CBlockHeader& block, BlockValidationS // Check for duplicate uint256 hash = block.GetHash(); BlockMap::iterator miSelf = m_block_index.find(hash); - CBlockIndex *pindex = nullptr; if (hash != chainparams.GetConsensus().hashGenesisBlock) { if (miSelf != m_block_index.end()) { // Block header is already known. - pindex = miSelf->second; + CBlockIndex* pindex = miSelf->second; if (ppindex) *ppindex = pindex; if (pindex->nStatus & BLOCK_FAILED_MASK) { @@ -3589,7 +3589,7 @@ bool BlockManager::AcceptBlockHeader(const CBlockHeader& block, BlockValidationS LogPrintf("ERROR: %s: prev block invalid\n", __func__); return state.Invalid(BlockValidationResult::BLOCK_INVALID_PREV, "bad-prevblk"); } - if (!ContextualCheckBlockHeader(block, state, chainparams, pindexPrev, GetAdjustedTime())) + if (!ContextualCheckBlockHeader(block, state, *this, chainparams, pindexPrev, GetAdjustedTime())) return error("%s: Consensus::ContextualCheckBlockHeader: %s, %s", __func__, hash.ToString(), state.ToString()); /* Determine if this block descends from any block which has been found @@ -3631,8 +3631,7 @@ bool BlockManager::AcceptBlockHeader(const CBlockHeader& block, BlockValidationS } } } - if (pindex == nullptr) - pindex = AddToBlockIndex(block); + CBlockIndex* pindex = AddToBlockIndex(block); if (ppindex) *ppindex = pindex; @@ -3643,6 +3642,7 @@ bool BlockManager::AcceptBlockHeader(const CBlockHeader& block, BlockValidationS // Exposed wrapper for AcceptBlockHeader bool ChainstateManager::ProcessNewBlockHeaders(const std::vector<CBlockHeader>& headers, BlockValidationState& state, const CChainParams& chainparams, const CBlockIndex** ppindex) { + assert(std::addressof(::ChainstateActive()) == std::addressof(ActiveChainstate())); AssertLockNotHeld(cs_main); { LOCK(cs_main); @@ -3650,7 +3650,7 @@ bool ChainstateManager::ProcessNewBlockHeaders(const std::vector<CBlockHeader>& CBlockIndex *pindex = nullptr; // Use a temp pindex instead of ppindex to avoid a const_cast bool accepted = m_blockman.AcceptBlockHeader( header, state, chainparams, &pindex); - ::ChainstateActive().CheckBlockIndex(chainparams.GetConsensus()); + ActiveChainstate().CheckBlockIndex(chainparams.GetConsensus()); if (!accepted) { return false; @@ -3660,8 +3660,8 @@ bool ChainstateManager::ProcessNewBlockHeaders(const std::vector<CBlockHeader>& } } } - if (NotifyHeaderTip()) { - if (::ChainstateActive().IsInitialBlockDownload() && ppindex && *ppindex) { + if (NotifyHeaderTip(ActiveChainstate())) { + if (ActiveChainstate().IsInitialBlockDownload() && ppindex && *ppindex) { LogPrintf("Synchronizing blockheaders, height: %d (~%.2f%%)\n", (*ppindex)->nHeight, 100.0/((*ppindex)->nHeight+(GetAdjustedTime() - (*ppindex)->GetBlockTime()) / Params().GetConsensus().nPowTargetSpacing) * (*ppindex)->nHeight); } } @@ -3773,6 +3773,7 @@ bool CChainState::AcceptBlock(const std::shared_ptr<const CBlock>& pblock, Block bool ChainstateManager::ProcessNewBlock(const CChainParams& chainparams, const std::shared_ptr<const CBlock> pblock, bool fForceProcessing, bool* fNewBlock) { AssertLockNotHeld(cs_main); + assert(std::addressof(::ChainstateActive()) == std::addressof(ActiveChainstate())); { CBlockIndex *pindex = nullptr; @@ -3788,7 +3789,7 @@ bool ChainstateManager::ProcessNewBlock(const CChainParams& chainparams, const s bool ret = CheckBlock(*pblock, state, chainparams.GetConsensus()); if (ret) { // Store to disk - ret = ::ChainstateActive().AcceptBlock(pblock, state, chainparams, &pindex, fForceProcessing, nullptr, fNewBlock); + ret = ActiveChainstate().AcceptBlock(pblock, state, chainparams, &pindex, fForceProcessing, nullptr, fNewBlock); } if (!ret) { GetMainSignals().BlockChecked(*pblock, state); @@ -3796,20 +3797,27 @@ bool ChainstateManager::ProcessNewBlock(const CChainParams& chainparams, const s } } - NotifyHeaderTip(); + NotifyHeaderTip(ActiveChainstate()); BlockValidationState state; // Only used to report errors, not invalidity - ignore it - if (!::ChainstateActive().ActivateBestChain(state, chainparams, pblock)) + if (!ActiveChainstate().ActivateBestChain(state, chainparams, pblock)) return error("%s: ActivateBestChain failed (%s)", __func__, state.ToString()); return true; } -bool TestBlockValidity(BlockValidationState& state, const CChainParams& chainparams, const CBlock& block, CBlockIndex* pindexPrev, bool fCheckPOW, bool fCheckMerkleRoot) +bool TestBlockValidity(BlockValidationState& state, + const CChainParams& chainparams, + CChainState& chainstate, + const CBlock& block, + CBlockIndex* pindexPrev, + bool fCheckPOW, + bool fCheckMerkleRoot) { AssertLockHeld(cs_main); - assert(pindexPrev && pindexPrev == ::ChainActive().Tip()); - CCoinsViewCache viewNew(&::ChainstateActive().CoinsTip()); + assert(std::addressof(::ChainstateActive()) == std::addressof(chainstate)); + assert(pindexPrev && pindexPrev == chainstate.m_chain.Tip()); + CCoinsViewCache viewNew(&chainstate.CoinsTip()); uint256 block_hash(block.GetHash()); CBlockIndex indexDummy(block); indexDummy.pprev = pindexPrev; @@ -3817,13 +3825,14 @@ bool TestBlockValidity(BlockValidationState& state, const CChainParams& chainpar indexDummy.phashBlock = &block_hash; // NOTE: CheckBlockHeader is called by CheckBlock - if (!ContextualCheckBlockHeader(block, state, chainparams, pindexPrev, GetAdjustedTime())) + assert(std::addressof(g_chainman.m_blockman) == std::addressof(chainstate.m_blockman)); + if (!ContextualCheckBlockHeader(block, state, chainstate.m_blockman, chainparams, pindexPrev, GetAdjustedTime())) return error("%s: Consensus::ContextualCheckBlockHeader: %s", __func__, state.ToString()); if (!CheckBlock(block, state, chainparams.GetConsensus(), fCheckPOW, fCheckMerkleRoot)) return error("%s: Consensus::CheckBlock: %s", __func__, state.ToString()); if (!ContextualCheckBlock(block, state, chainparams.GetConsensus(), pindexPrev)) return error("%s: Consensus::ContextualCheckBlock: %s", __func__, state.ToString()); - if (!::ChainstateActive().ConnectBlock(block, state, &indexDummy, viewNew, chainparams, true)) + if (!chainstate.ConnectBlock(block, state, &indexDummy, viewNew, chainparams, true)) return false; assert(state.IsValid()); @@ -4169,7 +4178,7 @@ bool CChainState::LoadChainTip(const CChainParams& chainparams) } // Load pointer to end of best chain - CBlockIndex* pindex = LookupBlockIndex(coins_cache.GetBestBlock()); + CBlockIndex* pindex = m_blockman.LookupBlockIndex(coins_cache.GetBestBlock()); if (!pindex) { return false; } @@ -4599,7 +4608,7 @@ bool LoadGenesisBlock(const CChainParams& chainparams) return ::ChainstateActive().LoadGenesisBlock(chainparams); } -void LoadExternalBlockFile(const CChainParams& chainparams, FILE* fileIn, FlatFilePos* dbp) +void CChainState::LoadExternalBlockFile(const CChainParams& chainparams, FILE* fileIn, FlatFilePos* dbp) { // Map of disk positions for blocks with unknown parent (only used for reindex) static std::multimap<uint256, FlatFilePos> mapBlocksUnknownParent; @@ -4648,7 +4657,8 @@ void LoadExternalBlockFile(const CChainParams& chainparams, FILE* fileIn, FlatFi { LOCK(cs_main); // detect out of order blocks, and store them for later - if (hash != chainparams.GetConsensus().hashGenesisBlock && !LookupBlockIndex(block.hashPrevBlock)) { + assert(std::addressof(g_chainman.m_blockman) == std::addressof(m_blockman)); + if (hash != chainparams.GetConsensus().hashGenesisBlock && !m_blockman.LookupBlockIndex(block.hashPrevBlock)) { LogPrint(BCLog::REINDEX, "%s: Out of order block %s, parent %s not known\n", __func__, hash.ToString(), block.hashPrevBlock.ToString()); if (dbp) @@ -4657,10 +4667,12 @@ void LoadExternalBlockFile(const CChainParams& chainparams, FILE* fileIn, FlatFi } // process in case the block isn't known yet - CBlockIndex* pindex = LookupBlockIndex(hash); + assert(std::addressof(g_chainman.m_blockman) == std::addressof(m_blockman)); + CBlockIndex* pindex = m_blockman.LookupBlockIndex(hash); if (!pindex || (pindex->nStatus & BLOCK_HAVE_DATA) == 0) { BlockValidationState state; - if (::ChainstateActive().AcceptBlock(pblock, state, chainparams, nullptr, true, dbp, nullptr)) { + assert(std::addressof(::ChainstateActive()) == std::addressof(*this)); + if (AcceptBlock(pblock, state, chainparams, nullptr, true, dbp, nullptr)) { nLoaded++; } if (state.IsError()) { @@ -4674,12 +4686,14 @@ void LoadExternalBlockFile(const CChainParams& chainparams, FILE* fileIn, FlatFi // Activate the genesis block so normal node progress can continue if (hash == chainparams.GetConsensus().hashGenesisBlock) { BlockValidationState state; + assert(std::addressof(::ChainstateActive()) == std::addressof(*this)); if (!ActivateBestChain(state, chainparams, nullptr)) { break; } } - NotifyHeaderTip(); + assert(std::addressof(::ChainstateActive()) == std::addressof(*this)); + NotifyHeaderTip(*this); // Recursively process earlier encountered successors of this block std::deque<uint256> queue; @@ -4697,7 +4711,8 @@ void LoadExternalBlockFile(const CChainParams& chainparams, FILE* fileIn, FlatFi head.ToString()); LOCK(cs_main); BlockValidationState dummy; - if (::ChainstateActive().AcceptBlock(pblockrecursive, dummy, chainparams, nullptr, true, &it->second, nullptr)) + assert(std::addressof(::ChainstateActive()) == std::addressof(*this)); + if (AcceptBlock(pblockrecursive, dummy, chainparams, nullptr, true, &it->second, nullptr)) { nLoaded++; queue.push_back(pblockrecursive->GetHash()); @@ -4705,7 +4720,8 @@ void LoadExternalBlockFile(const CChainParams& chainparams, FILE* fileIn, FlatFi } range.first++; mapBlocksUnknownParent.erase(it); - NotifyHeaderTip(); + assert(std::addressof(::ChainstateActive()) == std::addressof(*this)); + NotifyHeaderTip(*this); } } } catch (const std::exception& e) { @@ -5143,6 +5159,7 @@ double GuessVerificationProgress(const ChainTxData& data, const CBlockIndex *pin } Optional<uint256> ChainstateManager::SnapshotBlockhash() const { + LOCK(::cs_main); // for m_active_chainstate access if (m_active_chainstate != nullptr) { // If a snapshot chainstate exists, it will always be our active. return m_active_chainstate->m_from_snapshot_blockhash; @@ -5189,13 +5206,14 @@ CChainState& ChainstateManager::InitializeChainstate(CTxMemPool& mempool, const CChainState& ChainstateManager::ActiveChainstate() const { + LOCK(::cs_main); assert(m_active_chainstate); return *m_active_chainstate; } bool ChainstateManager::IsSnapshotActive() const { - return m_snapshot_chainstate && m_active_chainstate == m_snapshot_chainstate.get(); + return m_snapshot_chainstate && WITH_LOCK(::cs_main, return m_active_chainstate) == m_snapshot_chainstate.get(); } CChainState& ChainstateManager::ValidatedChainstate() const @@ -5226,7 +5244,10 @@ void ChainstateManager::Reset() { m_ibd_chainstate.reset(); m_snapshot_chainstate.reset(); - m_active_chainstate = nullptr; + { + LOCK(::cs_main); + m_active_chainstate = nullptr; + } m_snapshot_validated = false; } |