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-rw-r--r--src/validation.cpp298
1 files changed, 74 insertions, 224 deletions
diff --git a/src/validation.cpp b/src/validation.cpp
index 436c62261b..3026df34fe 100644
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -20,7 +20,6 @@
#include <index/txindex.h>
#include <policy/fees.h>
#include <policy/policy.h>
-#include <policy/rbf.h>
#include <policy/settings.h>
#include <pow.h>
#include <primitives/block.h>
@@ -60,165 +59,27 @@
#define MICRO 0.000001
#define MILLI 0.001
-/**
- * Global state
- */
-namespace {
- struct CBlockIndexWorkComparator
- {
- bool operator()(const CBlockIndex *pa, const CBlockIndex *pb) const {
- // First sort by most total work, ...
- if (pa->nChainWork > pb->nChainWork) return false;
- if (pa->nChainWork < pb->nChainWork) return true;
-
- // ... then by earliest time received, ...
- if (pa->nSequenceId < pb->nSequenceId) return false;
- if (pa->nSequenceId > pb->nSequenceId) return true;
-
- // Use pointer address as tie breaker (should only happen with blocks
- // loaded from disk, as those all have id 0).
- if (pa < pb) return false;
- if (pa > pb) return true;
-
- // Identical blocks.
- return false;
- }
- };
-} // anon namespace
-
-enum DisconnectResult
-{
- DISCONNECT_OK, // All good.
- DISCONNECT_UNCLEAN, // Rolled back, but UTXO set was inconsistent with block.
- DISCONNECT_FAILED // Something else went wrong.
-};
-
-class ConnectTrace;
-
-/**
- * CChainState stores and provides an API to update our local knowledge of the
- * current best chain and header tree.
- *
- * It generally provides access to the current block tree, as well as functions
- * to provide new data, which it will appropriately validate and incorporate in
- * its state as necessary.
- *
- * Eventually, the API here is targeted at being exposed externally as a
- * consumable libconsensus library, so any functions added must only call
- * other class member functions, pure functions in other parts of the consensus
- * library, callbacks via the validation interface, or read/write-to-disk
- * functions (eventually this will also be via callbacks).
- */
-class CChainState {
-private:
- /**
- * The set of all CBlockIndex entries with BLOCK_VALID_TRANSACTIONS (for itself and all ancestors) and
- * as good as our current tip or better. Entries may be failed, though, and pruning nodes may be
- * missing the data for the block.
- */
- std::set<CBlockIndex*, CBlockIndexWorkComparator> setBlockIndexCandidates;
-
- /**
- * Every received block is assigned a unique and increasing identifier, so we
- * know which one to give priority in case of a fork.
- */
- CCriticalSection cs_nBlockSequenceId;
- /** Blocks loaded from disk are assigned id 0, so start the counter at 1. */
- int32_t nBlockSequenceId = 1;
- /** Decreasing counter (used by subsequent preciousblock calls). */
- int32_t nBlockReverseSequenceId = -1;
- /** chainwork for the last block that preciousblock has been applied to. */
- arith_uint256 nLastPreciousChainwork = 0;
-
- /** In order to efficiently track invalidity of headers, we keep the set of
- * blocks which we tried to connect and found to be invalid here (ie which
- * were set to BLOCK_FAILED_VALID since the last restart). We can then
- * walk this set and check if a new header is a descendant of something in
- * this set, preventing us from having to walk mapBlockIndex when we try
- * to connect a bad block and fail.
- *
- * While this is more complicated than marking everything which descends
- * from an invalid block as invalid at the time we discover it to be
- * invalid, doing so would require walking all of mapBlockIndex to find all
- * descendants. Since this case should be very rare, keeping track of all
- * BLOCK_FAILED_VALID blocks in a set should be just fine and work just as
- * well.
- *
- * Because we already walk mapBlockIndex in height-order at startup, we go
- * ahead and mark descendants of invalid blocks as FAILED_CHILD at that time,
- * instead of putting things in this set.
- */
- std::set<CBlockIndex*> m_failed_blocks;
-
- /**
- * the ChainState CriticalSection
- * A lock that must be held when modifying this ChainState - held in ActivateBestChain()
- */
- CCriticalSection m_cs_chainstate;
-
-public:
- //! The current chain of blockheaders we consult and build on.
- //! @see CChain, CBlockIndex.
- CChain m_chain;
- BlockMap mapBlockIndex GUARDED_BY(cs_main);
- std::multimap<CBlockIndex*, CBlockIndex*> mapBlocksUnlinked;
- CBlockIndex *pindexBestInvalid = nullptr;
+bool CBlockIndexWorkComparator::operator()(const CBlockIndex *pa, const CBlockIndex *pb) const {
+ // First sort by most total work, ...
+ if (pa->nChainWork > pb->nChainWork) return false;
+ if (pa->nChainWork < pb->nChainWork) return true;
- bool LoadBlockIndex(const Consensus::Params& consensus_params, CBlockTreeDB& blocktree) EXCLUSIVE_LOCKS_REQUIRED(cs_main);
+ // ... then by earliest time received, ...
+ if (pa->nSequenceId < pb->nSequenceId) return false;
+ if (pa->nSequenceId > pb->nSequenceId) return true;
- bool ActivateBestChain(CValidationState &state, const CChainParams& chainparams, std::shared_ptr<const CBlock> pblock) LOCKS_EXCLUDED(cs_main);
+ // Use pointer address as tie breaker (should only happen with blocks
+ // loaded from disk, as those all have id 0).
+ if (pa < pb) return false;
+ if (pa > pb) return true;
- /**
- * If a block header hasn't already been seen, call CheckBlockHeader on it, ensure
- * that it doesn't descend from an invalid block, and then add it to mapBlockIndex.
- */
- bool AcceptBlockHeader(const CBlockHeader& block, CValidationState& state, const CChainParams& chainparams, CBlockIndex** ppindex) EXCLUSIVE_LOCKS_REQUIRED(cs_main);
- bool AcceptBlock(const std::shared_ptr<const CBlock>& pblock, CValidationState& state, const CChainParams& chainparams, CBlockIndex** ppindex, bool fRequested, const FlatFilePos* dbp, bool* fNewBlock) EXCLUSIVE_LOCKS_REQUIRED(cs_main);
-
- // Block (dis)connection on a given view:
- DisconnectResult DisconnectBlock(const CBlock& block, const CBlockIndex* pindex, CCoinsViewCache& view);
- bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockIndex* pindex,
- CCoinsViewCache& view, const CChainParams& chainparams, bool fJustCheck = false) EXCLUSIVE_LOCKS_REQUIRED(cs_main);
-
- // Block disconnection on our pcoinsTip:
- bool DisconnectTip(CValidationState& state, const CChainParams& chainparams, DisconnectedBlockTransactions* disconnectpool) EXCLUSIVE_LOCKS_REQUIRED(cs_main);
-
- // Manual block validity manipulation:
- bool PreciousBlock(CValidationState& state, const CChainParams& params, CBlockIndex* pindex) LOCKS_EXCLUDED(cs_main);
- bool InvalidateBlock(CValidationState& state, const CChainParams& chainparams, CBlockIndex* pindex) LOCKS_EXCLUDED(cs_main);
- void ResetBlockFailureFlags(CBlockIndex* pindex) EXCLUSIVE_LOCKS_REQUIRED(cs_main);
-
- bool ReplayBlocks(const CChainParams& params, CCoinsView* view);
- bool RewindBlockIndex(const CChainParams& params) LOCKS_EXCLUDED(cs_main);
- bool LoadGenesisBlock(const CChainParams& chainparams);
-
- void PruneBlockIndexCandidates();
-
- void UnloadBlockIndex();
-
-private:
- bool ActivateBestChainStep(CValidationState& state, const CChainParams& chainparams, CBlockIndex* pindexMostWork, const std::shared_ptr<const CBlock>& pblock, bool& fInvalidFound, ConnectTrace& connectTrace) EXCLUSIVE_LOCKS_REQUIRED(cs_main);
- bool ConnectTip(CValidationState& state, const CChainParams& chainparams, CBlockIndex* pindexNew, const std::shared_ptr<const CBlock>& pblock, ConnectTrace& connectTrace, DisconnectedBlockTransactions &disconnectpool) EXCLUSIVE_LOCKS_REQUIRED(cs_main);
-
- CBlockIndex* AddToBlockIndex(const CBlockHeader& block) EXCLUSIVE_LOCKS_REQUIRED(cs_main);
- /** Create a new block index entry for a given block hash */
- CBlockIndex* InsertBlockIndex(const uint256& hash) EXCLUSIVE_LOCKS_REQUIRED(cs_main);
- /**
- * Make various assertions about the state of the block index.
- *
- * By default this only executes fully when using the Regtest chain; see: fCheckBlockIndex.
- */
- void CheckBlockIndex(const Consensus::Params& consensusParams);
-
- void InvalidBlockFound(CBlockIndex *pindex, const CValidationState &state) EXCLUSIVE_LOCKS_REQUIRED(cs_main);
- CBlockIndex* FindMostWorkChain() EXCLUSIVE_LOCKS_REQUIRED(cs_main);
- void ReceivedBlockTransactions(const CBlock& block, CBlockIndex* pindexNew, const FlatFilePos& pos, const Consensus::Params& consensusParams) EXCLUSIVE_LOCKS_REQUIRED(cs_main);
+ // Identical blocks.
+ return false;
+}
- bool RollforwardBlock(const CBlockIndex* pindex, CCoinsViewCache& inputs, const CChainParams& params) EXCLUSIVE_LOCKS_REQUIRED(cs_main);
+CChainState g_chainstate;
- //! Mark a block as not having block data
- void EraseBlockData(CBlockIndex* index) EXCLUSIVE_LOCKS_REQUIRED(cs_main);
-} g_chainstate;
+CChainState& ChainstateActive() { return g_chainstate; }
CChain& ChainActive() { return g_chainstate.m_chain; }
@@ -234,7 +95,7 @@ CChain& ChainActive() { return g_chainstate.m_chain; }
*/
RecursiveMutex cs_main;
-BlockMap& mapBlockIndex = g_chainstate.mapBlockIndex;
+BlockMap& mapBlockIndex = ::ChainstateActive().mapBlockIndex;
CBlockIndex *pindexBestHeader = nullptr;
Mutex g_best_block_mutex;
std::condition_variable g_best_block_cv;
@@ -250,7 +111,6 @@ bool fCheckpointsEnabled = DEFAULT_CHECKPOINTS_ENABLED;
size_t nCoinCacheUsage = 5000 * 300;
uint64_t nPruneTarget = 0;
int64_t nMaxTipAge = DEFAULT_MAX_TIP_AGE;
-bool fEnableReplacement = DEFAULT_ENABLE_REPLACEMENT;
uint256 hashAssumeValid;
arith_uint256 nMinimumChainWork;
@@ -265,12 +125,12 @@ CScript COINBASE_FLAGS;
// Internal stuff
namespace {
- CBlockIndex *&pindexBestInvalid = g_chainstate.pindexBestInvalid;
+ CBlockIndex *&pindexBestInvalid = ::ChainstateActive().pindexBestInvalid;
/** All pairs A->B, where A (or one of its ancestors) misses transactions, but B has transactions.
* Pruned nodes may have entries where B is missing data.
*/
- std::multimap<CBlockIndex*, CBlockIndex*>& mapBlocksUnlinked = g_chainstate.mapBlocksUnlinked;
+ std::multimap<CBlockIndex*, CBlockIndex*>& mapBlocksUnlinked = ::ChainstateActive().mapBlocksUnlinked;
CCriticalSection cs_LastBlockFile;
std::vector<CBlockFileInfo> vinfoBlockFile;
@@ -311,15 +171,7 @@ std::unique_ptr<CCoinsViewDB> pcoinsdbview;
std::unique_ptr<CCoinsViewCache> pcoinsTip;
std::unique_ptr<CBlockTreeDB> pblocktree;
-enum class FlushStateMode {
- NONE,
- IF_NEEDED,
- PERIODIC,
- ALWAYS
-};
-
// See definition for documentation
-static bool FlushStateToDisk(const CChainParams& chainParams, CValidationState &state, FlushStateMode mode, int nManualPruneHeight=0);
static void FindFilesToPruneManual(std::set<int>& setFilesToPrune, int nManualPruneHeight);
static void FindFilesToPrune(std::set<int>& setFilesToPrune, uint64_t nPruneAfterHeight);
bool CheckInputs(const CTransaction& tx, CValidationState &state, const CCoinsViewCache &inputs, bool fScriptChecks, unsigned int flags, bool cacheSigStore, bool cacheFullScriptStore, PrecomputedTransactionData& txdata, std::vector<CScriptCheck> *pvChecks = nullptr);
@@ -467,7 +319,7 @@ static void LimitMempoolSize(CTxMemPool& pool, size_t limit, unsigned long age)
static bool IsCurrentForFeeEstimation() EXCLUSIVE_LOCKS_REQUIRED(cs_main)
{
AssertLockHeld(cs_main);
- if (IsInitialBlockDownload())
+ if (::ChainstateActive().IsInitialBlockDownload())
return false;
if (::ChainActive().Tip()->GetBlockTime() < (GetTime() - MAX_FEE_ESTIMATION_TIP_AGE))
return false;
@@ -633,15 +485,12 @@ static bool AcceptToMemoryPoolWorker(const CChainParams& chainparams, CTxMemPool
// unconfirmed ancestors anyway; doing otherwise is hopelessly
// insecure.
bool fReplacementOptOut = true;
- if (fEnableReplacement)
+ for (const CTxIn &_txin : ptxConflicting->vin)
{
- for (const CTxIn &_txin : ptxConflicting->vin)
+ if (_txin.nSequence <= MAX_BIP125_RBF_SEQUENCE)
{
- if (_txin.nSequence <= MAX_BIP125_RBF_SEQUENCE)
- {
- fReplacementOptOut = false;
- break;
- }
+ fReplacementOptOut = false;
+ break;
}
}
if (fReplacementOptOut) {
@@ -992,7 +841,7 @@ static bool AcceptToMemoryPoolWithTime(const CChainParams& chainparams, CTxMemPo
}
// After we've (potentially) uncached entries, ensure our coins cache is still within its size limits
CValidationState stateDummy;
- FlushStateToDisk(chainparams, stateDummy, FlushStateMode::PERIODIC);
+ ::ChainstateActive().FlushStateToDisk(chainparams, stateDummy, FlushStateMode::PERIODIC);
return res;
}
@@ -1168,27 +1017,30 @@ CAmount GetBlockSubsidy(int nHeight, const Consensus::Params& consensusParams)
return nSubsidy;
}
-bool IsInitialBlockDownload()
+// Note that though this is marked const, we may end up modifying `m_cached_finished_ibd`, which
+// is a performance-related implementation detail. This function must be marked
+// `const` so that `CValidationInterface` clients (which are given a `const CChainState*`)
+// can call it.
+//
+bool CChainState::IsInitialBlockDownload() const
{
- // Once this function has returned false, it must remain false.
- static std::atomic<bool> latchToFalse{false};
// Optimization: pre-test latch before taking the lock.
- if (latchToFalse.load(std::memory_order_relaxed))
+ if (m_cached_finished_ibd.load(std::memory_order_relaxed))
return false;
LOCK(cs_main);
- if (latchToFalse.load(std::memory_order_relaxed))
+ if (m_cached_finished_ibd.load(std::memory_order_relaxed))
return false;
if (fImporting || fReindex)
return true;
- if (::ChainActive().Tip() == nullptr)
+ if (m_chain.Tip() == nullptr)
return true;
- if (::ChainActive().Tip()->nChainWork < nMinimumChainWork)
+ if (m_chain.Tip()->nChainWork < nMinimumChainWork)
return true;
- if (::ChainActive().Tip()->GetBlockTime() < (GetTime() - nMaxTipAge))
+ if (m_chain.Tip()->GetBlockTime() < (GetTime() - nMaxTipAge))
return true;
LogPrintf("Leaving InitialBlockDownload (latching to false)\n");
- latchToFalse.store(true, std::memory_order_relaxed);
+ m_cached_finished_ibd.store(true, std::memory_order_relaxed);
return false;
}
@@ -1217,7 +1069,7 @@ static void CheckForkWarningConditions() EXCLUSIVE_LOCKS_REQUIRED(cs_main)
AssertLockHeld(cs_main);
// Before we get past initial download, we cannot reliably alert about forks
// (we assume we don't get stuck on a fork before finishing our initial sync)
- if (IsInitialBlockDownload())
+ if (::ChainstateActive().IsInitialBlockDownload())
return;
// If our best fork is no longer within 72 blocks (+/- 12 hours if no one mines it)
@@ -2089,16 +1941,12 @@ bool CChainState::ConnectBlock(const CBlock& block, CValidationState& state, CBl
return true;
}
-/**
- * Update the on-disk chain state.
- * The caches and indexes are flushed depending on the mode we're called with
- * if they're too large, if it's been a while since the last write,
- * or always and in all cases if we're in prune mode and are deleting files.
- *
- * If FlushStateMode::NONE is used, then FlushStateToDisk(...) won't do anything
- * besides checking if we need to prune.
- */
-bool static FlushStateToDisk(const CChainParams& chainparams, CValidationState &state, FlushStateMode mode, int nManualPruneHeight) {
+bool CChainState::FlushStateToDisk(
+ const CChainParams& chainparams,
+ CValidationState &state,
+ FlushStateMode mode,
+ int nManualPruneHeight)
+{
int64_t nMempoolUsage = mempool.DynamicMemoryUsage();
LOCK(cs_main);
static int64_t nLastWrite = 0;
@@ -2196,7 +2044,7 @@ bool static FlushStateToDisk(const CChainParams& chainparams, CValidationState &
}
if (full_flush_completed) {
// Update best block in wallet (so we can detect restored wallets).
- GetMainSignals().ChainStateFlushed(::ChainActive().GetLocator());
+ GetMainSignals().ChainStateFlushed(m_chain.GetLocator());
}
} catch (const std::runtime_error& e) {
return AbortNode(state, std::string("System error while flushing: ") + e.what());
@@ -2204,19 +2052,20 @@ bool static FlushStateToDisk(const CChainParams& chainparams, CValidationState &
return true;
}
-void FlushStateToDisk() {
+void CChainState::ForceFlushStateToDisk() {
CValidationState state;
const CChainParams& chainparams = Params();
- if (!FlushStateToDisk(chainparams, state, FlushStateMode::ALWAYS)) {
+ if (!this->FlushStateToDisk(chainparams, state, FlushStateMode::ALWAYS)) {
LogPrintf("%s: failed to flush state (%s)\n", __func__, FormatStateMessage(state));
}
}
-void PruneAndFlush() {
+void CChainState::PruneAndFlush() {
CValidationState state;
fCheckForPruning = true;
const CChainParams& chainparams = Params();
- if (!FlushStateToDisk(chainparams, state, FlushStateMode::NONE)) {
+
+ if (!this->FlushStateToDisk(chainparams, state, FlushStateMode::NONE)) {
LogPrintf("%s: failed to flush state (%s)\n", __func__, FormatStateMessage(state));
}
}
@@ -2250,7 +2099,7 @@ void static UpdateTip(const CBlockIndex *pindexNew, const CChainParams& chainPar
}
std::string warningMessages;
- if (!IsInitialBlockDownload())
+ if (!::ChainstateActive().IsInitialBlockDownload())
{
int nUpgraded = 0;
const CBlockIndex* pindex = pindexNew;
@@ -2641,7 +2490,7 @@ static void NotifyHeaderTip() LOCKS_EXCLUDED(cs_main) {
if (pindexHeader != pindexHeaderOld) {
fNotify = true;
- fInitialBlockDownload = IsInitialBlockDownload();
+ fInitialBlockDownload = ::ChainstateActive().IsInitialBlockDownload();
pindexHeaderOld = pindexHeader;
}
}
@@ -2767,7 +2616,7 @@ bool CChainState::ActivateBestChain(CValidationState &state, const CChainParams&
}
bool ActivateBestChain(CValidationState &state, const CChainParams& chainparams, std::shared_ptr<const CBlock> pblock) {
- return g_chainstate.ActivateBestChain(state, chainparams, std::move(pblock));
+ return ::ChainstateActive().ActivateBestChain(state, chainparams, std::move(pblock));
}
bool CChainState::PreciousBlock(CValidationState& state, const CChainParams& params, CBlockIndex *pindex)
@@ -2799,7 +2648,7 @@ bool CChainState::PreciousBlock(CValidationState& state, const CChainParams& par
return ActivateBestChain(state, params, std::shared_ptr<const CBlock>());
}
bool PreciousBlock(CValidationState& state, const CChainParams& params, CBlockIndex *pindex) {
- return g_chainstate.PreciousBlock(state, params, pindex);
+ return ::ChainstateActive().PreciousBlock(state, params, pindex);
}
bool CChainState::InvalidateBlock(CValidationState& state, const CChainParams& chainparams, CBlockIndex *pindex)
@@ -2888,7 +2737,7 @@ bool CChainState::InvalidateBlock(CValidationState& state, const CChainParams& c
}
bool InvalidateBlock(CValidationState& state, const CChainParams& chainparams, CBlockIndex *pindex) {
- return g_chainstate.InvalidateBlock(state, chainparams, pindex);
+ return ::ChainstateActive().InvalidateBlock(state, chainparams, pindex);
}
void CChainState::ResetBlockFailureFlags(CBlockIndex *pindex) {
@@ -2926,7 +2775,7 @@ void CChainState::ResetBlockFailureFlags(CBlockIndex *pindex) {
}
void ResetBlockFailureFlags(CBlockIndex *pindex) {
- return g_chainstate.ResetBlockFailureFlags(pindex);
+ return ::ChainstateActive().ResetBlockFailureFlags(pindex);
}
CBlockIndex* CChainState::AddToBlockIndex(const CBlockHeader& block)
@@ -3464,7 +3313,7 @@ bool ProcessNewBlockHeaders(const std::vector<CBlockHeader>& headers, CValidatio
LOCK(cs_main);
for (const CBlockHeader& header : headers) {
CBlockIndex *pindex = nullptr; // Use a temp pindex instead of ppindex to avoid a const_cast
- if (!g_chainstate.AcceptBlockHeader(header, state, chainparams, &pindex)) {
+ if (!::ChainstateActive().AcceptBlockHeader(header, state, chainparams, &pindex)) {
if (first_invalid) *first_invalid = header;
return false;
}
@@ -3595,7 +3444,7 @@ bool ProcessNewBlock(const CChainParams& chainparams, const std::shared_ptr<cons
bool ret = CheckBlock(*pblock, state, chainparams.GetConsensus());
if (ret) {
// Store to disk
- ret = g_chainstate.AcceptBlock(pblock, state, chainparams, &pindex, fForceProcessing, nullptr, fNewBlock);
+ ret = ::ChainstateActive().AcceptBlock(pblock, state, chainparams, &pindex, fForceProcessing, nullptr, fNewBlock);
}
if (!ret) {
GetMainSignals().BlockChecked(*pblock, state);
@@ -3606,7 +3455,7 @@ bool ProcessNewBlock(const CChainParams& chainparams, const std::shared_ptr<cons
NotifyHeaderTip();
CValidationState state; // Only used to report errors, not invalidity - ignore it
- if (!g_chainstate.ActivateBestChain(state, chainparams, pblock))
+ if (!::ChainstateActive().ActivateBestChain(state, chainparams, pblock))
return error("%s: ActivateBestChain failed (%s)", __func__, FormatStateMessage(state));
return true;
@@ -3630,7 +3479,7 @@ bool TestBlockValidity(CValidationState& state, const CChainParams& chainparams,
return error("%s: Consensus::CheckBlock: %s", __func__, FormatStateMessage(state));
if (!ContextualCheckBlock(block, state, chainparams.GetConsensus(), pindexPrev))
return error("%s: Consensus::ContextualCheckBlock: %s", __func__, FormatStateMessage(state));
- if (!g_chainstate.ConnectBlock(block, state, &indexDummy, viewNew, chainparams, true))
+ if (!::ChainstateActive().ConnectBlock(block, state, &indexDummy, viewNew, chainparams, true))
return false;
assert(state.IsValid());
@@ -3725,7 +3574,8 @@ void PruneBlockFilesManual(int nManualPruneHeight)
{
CValidationState state;
const CChainParams& chainparams = Params();
- if (!FlushStateToDisk(chainparams, state, FlushStateMode::NONE, nManualPruneHeight)) {
+ if (!::ChainstateActive().FlushStateToDisk(
+ chainparams, state, FlushStateMode::NONE, nManualPruneHeight)) {
LogPrintf("%s: failed to flush state (%s)\n", __func__, FormatStateMessage(state));
}
}
@@ -3769,7 +3619,7 @@ static void FindFilesToPrune(std::set<int>& setFilesToPrune, uint64_t nPruneAfte
// To avoid excessive prune events negating the benefit of high dbcache
// values, we should not prune too rapidly.
// So when pruning in IBD, increase the buffer a bit to avoid a re-prune too soon.
- if (IsInitialBlockDownload()) {
+ if (::ChainstateActive().IsInitialBlockDownload()) {
// Since this is only relevant during IBD, we use a fixed 10%
nBuffer += nPruneTarget / 10;
}
@@ -3898,7 +3748,7 @@ bool CChainState::LoadBlockIndex(const Consensus::Params& consensus_params, CBlo
bool static LoadBlockIndexDB(const CChainParams& chainparams) EXCLUSIVE_LOCKS_REQUIRED(cs_main)
{
- if (!g_chainstate.LoadBlockIndex(chainparams.GetConsensus(), *pblocktree))
+ if (!::ChainstateActive().LoadBlockIndex(chainparams.GetConsensus(), *pblocktree))
return false;
// Load block file info
@@ -3963,7 +3813,7 @@ bool LoadChainTip(const CChainParams& chainparams)
}
::ChainActive().SetTip(pindex);
- g_chainstate.PruneBlockIndexCandidates();
+ ::ChainstateActive().PruneBlockIndexCandidates();
LogPrintf("Loaded best chain: hashBestChain=%s height=%d date=%s progress=%f\n",
::ChainActive().Tip()->GetBlockHash().ToString(), ::ChainActive().Height(),
@@ -4036,7 +3886,7 @@ bool CVerifyDB::VerifyDB(const CChainParams& chainparams, CCoinsView *coinsview,
// check level 3: check for inconsistencies during memory-only disconnect of tip blocks
if (nCheckLevel >= 3 && (coins.DynamicMemoryUsage() + pcoinsTip->DynamicMemoryUsage()) <= nCoinCacheUsage) {
assert(coins.GetBestBlock() == pindex->GetBlockHash());
- DisconnectResult res = g_chainstate.DisconnectBlock(block, pindex, coins);
+ DisconnectResult res = ::ChainstateActive().DisconnectBlock(block, pindex, coins);
if (res == DISCONNECT_FAILED) {
return error("VerifyDB(): *** irrecoverable inconsistency in block data at %d, hash=%s", pindex->nHeight, pindex->GetBlockHash().ToString());
}
@@ -4071,7 +3921,7 @@ bool CVerifyDB::VerifyDB(const CChainParams& chainparams, CCoinsView *coinsview,
CBlock block;
if (!ReadBlockFromDisk(block, pindex, chainparams.GetConsensus()))
return error("VerifyDB(): *** ReadBlockFromDisk failed at %d, hash=%s", pindex->nHeight, pindex->GetBlockHash().ToString());
- if (!g_chainstate.ConnectBlock(block, state, pindex, coins, chainparams))
+ if (!::ChainstateActive().ConnectBlock(block, state, pindex, coins, chainparams))
return error("VerifyDB(): *** found unconnectable block at %d, hash=%s (%s)", pindex->nHeight, pindex->GetBlockHash().ToString(), FormatStateMessage(state));
}
}
@@ -4170,7 +4020,7 @@ bool CChainState::ReplayBlocks(const CChainParams& params, CCoinsView* view)
}
bool ReplayBlocks(const CChainParams& params, CCoinsView* view) {
- return g_chainstate.ReplayBlocks(params, view);
+ return ::ChainstateActive().ReplayBlocks(params, view);
}
//! Helper for CChainState::RewindBlockIndex
@@ -4303,7 +4153,7 @@ bool CChainState::RewindBlockIndex(const CChainParams& params)
}
bool RewindBlockIndex(const CChainParams& params) {
- if (!g_chainstate.RewindBlockIndex(params)) {
+ if (!::ChainstateActive().RewindBlockIndex(params)) {
return false;
}
@@ -4313,7 +4163,7 @@ bool RewindBlockIndex(const CChainParams& params) {
// and skip it here, we're about to -reindex-chainstate anyway, so
// it'll get called a bunch real soon.
CValidationState state;
- if (!FlushStateToDisk(params, state, FlushStateMode::ALWAYS)) {
+ if (!::ChainstateActive().FlushStateToDisk(params, state, FlushStateMode::ALWAYS)) {
LogPrintf("RewindBlockIndex: unable to flush state to disk (%s)\n", FormatStateMessage(state));
return false;
}
@@ -4354,7 +4204,7 @@ void UnloadBlockIndex()
mapBlockIndex.clear();
fHavePruned = false;
- g_chainstate.UnloadBlockIndex();
+ ::ChainstateActive().UnloadBlockIndex();
}
bool LoadBlockIndex(const CChainParams& chainparams)
@@ -4406,7 +4256,7 @@ bool CChainState::LoadGenesisBlock(const CChainParams& chainparams)
bool LoadGenesisBlock(const CChainParams& chainparams)
{
- return g_chainstate.LoadGenesisBlock(chainparams);
+ return ::ChainstateActive().LoadGenesisBlock(chainparams);
}
bool LoadExternalBlockFile(const CChainParams& chainparams, FILE* fileIn, FlatFilePos *dbp)
@@ -4471,7 +4321,7 @@ bool LoadExternalBlockFile(const CChainParams& chainparams, FILE* fileIn, FlatFi
CBlockIndex* pindex = LookupBlockIndex(hash);
if (!pindex || (pindex->nStatus & BLOCK_HAVE_DATA) == 0) {
CValidationState state;
- if (g_chainstate.AcceptBlock(pblock, state, chainparams, nullptr, true, dbp, nullptr)) {
+ if (::ChainstateActive().AcceptBlock(pblock, state, chainparams, nullptr, true, dbp, nullptr)) {
nLoaded++;
}
if (state.IsError()) {
@@ -4508,7 +4358,7 @@ bool LoadExternalBlockFile(const CChainParams& chainparams, FILE* fileIn, FlatFi
head.ToString());
LOCK(cs_main);
CValidationState dummy;
- if (g_chainstate.AcceptBlock(pblockrecursive, dummy, chainparams, nullptr, true, &it->second, nullptr))
+ if (::ChainstateActive().AcceptBlock(pblockrecursive, dummy, chainparams, nullptr, true, &it->second, nullptr))
{
nLoaded++;
queue.push_back(pblockrecursive->GetHash());