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Make functions in validation.cpp static and pass chainparams

Browse source 
Fix bugs as per PR comment

Change bool static to static bool
This commit is contained in:
Mario Dian 2017-04-22 02:45:30 +08:00
parent 300f8e7a82
commit 24980a3e40
2 changed files with 71 additions and 80 deletions
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111
src/validation.cpp
View file

@ -186,8 +186,11 @@ enum FlushStateMode {
};
// See definition for documentation
bool static FlushStateToDisk(CValidationState &state, FlushStateMode mode, int nManualPruneHeight=0);
void FindFilesToPruneManual(std::set<int>& setFilesToPrune, int nManualPruneHeight);
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);
static bool CheckInputs(const CTransaction& tx, CValidationState &state, const CCoinsViewCache &inputs, bool fScriptChecks, unsigned int flags, bool cacheStore, PrecomputedTransactionData& txdata, std::vector<CScriptCheck> *pvChecks = NULL);
static FILE* OpenUndoFile(const CDiskBlockPos &pos, bool fReadOnly = false);
bool CheckFinalTx(const CTransaction &tx, int flags)
{
@ -309,7 +312,7 @@ bool CheckSequenceLocks(const CTransaction &tx, int flags, LockPoints* lp, bool
return EvaluateSequenceLocks(index, lockPair);
}
void LimitMempoolSize(CTxMemPool& pool, size_t limit, unsigned long age) {
static void LimitMempoolSize(CTxMemPool& pool, size_t limit, unsigned long age) {
int expired = pool.Expire(GetTime() - age);
if (expired != 0) {
LogPrint(BCLog::MEMPOOL, "Expired %i transactions from the memory pool\n", expired);
@ -392,7 +395,7 @@ void UpdateMempoolForReorg(DisconnectedBlockTransactions &disconnectpool, bool f
LimitMempoolSize(mempool, GetArg("-maxmempool", DEFAULT_MAX_MEMPOOL_SIZE) * 1000000, GetArg("-mempoolexpiry", DEFAULT_MEMPOOL_EXPIRY) * 60 * 60);
}
bool AcceptToMemoryPoolWorker(CTxMemPool& pool, CValidationState& state, const CTransactionRef& ptx, bool fLimitFree,
static bool AcceptToMemoryPoolWorker(const CChainParams& chainparams, CTxMemPool& pool, CValidationState& state, const CTransactionRef& ptx, bool fLimitFree,
bool* pfMissingInputs, int64_t nAcceptTime, std::list<CTransactionRef>* plTxnReplaced,
bool fOverrideMempoolLimit, const CAmount& nAbsurdFee, std::vector<COutPoint>& coins_to_uncache)
{
@ -410,7 +413,7 @@ bool AcceptToMemoryPoolWorker(CTxMemPool& pool, CValidationState& state, const C
return state.DoS(100, false, REJECT_INVALID, "coinbase");
// Reject transactions with witness before segregated witness activates (override with -prematurewitness)
bool witnessEnabled = IsWitnessEnabled(chainActive.Tip(), Params().GetConsensus());
bool witnessEnabled = IsWitnessEnabled(chainActive.Tip(), chainparams.GetConsensus());
if (!GetBoolArg("-prematurewitness",false) && tx.HasWitness() && !witnessEnabled) {
return state.DoS(0, false, REJECT_NONSTANDARD, "no-witness-yet", true);
}
@ -739,7 +742,7 @@ bool AcceptToMemoryPoolWorker(CTxMemPool& pool, CValidationState& state, const C
}
unsigned int scriptVerifyFlags = STANDARD_SCRIPT_VERIFY_FLAGS;
if (!Params().RequireStandard()) {
if (!chainparams.RequireStandard()) {
scriptVerifyFlags = GetArg("-promiscuousmempoolflags", scriptVerifyFlags);
}
@ -809,19 +812,20 @@ bool AcceptToMemoryPoolWorker(CTxMemPool& pool, CValidationState& state, const C
return true;
}
bool AcceptToMemoryPoolWithTime(CTxMemPool& pool, CValidationState &state, const CTransactionRef &tx, bool fLimitFree,
/** (try to) add transaction to memory pool with a specified acceptance time **/
static bool AcceptToMemoryPoolWithTime(const CChainParams& chainparams, CTxMemPool& pool, CValidationState &state, const CTransactionRef &tx, bool fLimitFree,
bool* pfMissingInputs, int64_t nAcceptTime, std::list<CTransactionRef>* plTxnReplaced,
bool fOverrideMempoolLimit, const CAmount nAbsurdFee)
{
std::vector<COutPoint> coins_to_uncache;
bool res = AcceptToMemoryPoolWorker(pool, state, tx, fLimitFree, pfMissingInputs, nAcceptTime, plTxnReplaced, fOverrideMempoolLimit, nAbsurdFee, coins_to_uncache);
bool res = AcceptToMemoryPoolWorker(chainparams, pool, state, tx, fLimitFree, pfMissingInputs, nAcceptTime, plTxnReplaced, fOverrideMempoolLimit, nAbsurdFee, coins_to_uncache);
if (!res) {
BOOST_FOREACH(const COutPoint& hashTx, coins_to_uncache)
pcoinsTip->Uncache(hashTx);
}
// After we've (potentially) uncached entries, ensure our coins cache is still within its size limits
CValidationState stateDummy;
FlushStateToDisk(stateDummy, FLUSH_STATE_PERIODIC);
FlushStateToDisk(chainparams, stateDummy, FLUSH_STATE_PERIODIC);
return res;
}
@ -829,7 +833,8 @@ bool AcceptToMemoryPool(CTxMemPool& pool, CValidationState &state, const CTransa
bool* pfMissingInputs, std::list<CTransactionRef>* plTxnReplaced,
bool fOverrideMempoolLimit, const CAmount nAbsurdFee)
{
return AcceptToMemoryPoolWithTime(pool, state, tx, fLimitFree, pfMissingInputs, GetTime(), plTxnReplaced, fOverrideMempoolLimit, nAbsurdFee);
const CChainParams& chainparams = Params();
return AcceptToMemoryPoolWithTime(chainparams, pool, state, tx, fLimitFree, pfMissingInputs, GetTime(), plTxnReplaced, fOverrideMempoolLimit, nAbsurdFee);
}
/** Return transaction in txOut, and if it was found inside a block, its hash is placed in hashBlock */
@ -898,7 +903,7 @@ bool GetTransaction(const uint256 &hash, CTransactionRef &txOut, const Consensus
// CBlock and CBlockIndex
//
bool WriteBlockToDisk(const CBlock& block, CDiskBlockPos& pos, const CMessageHeader::MessageStartChars& messageStart)
static bool WriteBlockToDisk(const CBlock& block, CDiskBlockPos& pos, const CMessageHeader::MessageStartChars& messageStart)
{
// Open history file to append
CAutoFile fileout(OpenBlockFile(pos), SER_DISK, CLIENT_VERSION);
@ -1011,7 +1016,7 @@ static void AlertNotify(const std::string& strMessage)
boost::thread t(runCommand, strCmd); // thread runs free
}
void CheckForkWarningConditions()
static void CheckForkWarningConditions()
{
AssertLockHeld(cs_main);
// Before we get past initial download, we cannot reliably alert about forks
@ -1052,7 +1057,7 @@ void CheckForkWarningConditions()
}
}
void CheckForkWarningConditionsOnNewFork(CBlockIndex* pindexNewForkTip)
static void CheckForkWarningConditionsOnNewFork(CBlockIndex* pindexNewForkTip)
{
AssertLockHeld(cs_main);
// If we are on a fork that is sufficiently large, set a warning flag
@ -1144,7 +1149,12 @@ int GetSpendHeight(const CCoinsViewCache& inputs)
return pindexPrev->nHeight + 1;
}
bool CheckInputs(const CTransaction& tx, CValidationState &state, const CCoinsViewCache &inputs, bool fScriptChecks, unsigned int flags, bool cacheStore, PrecomputedTransactionData& txdata, std::vector<CScriptCheck> *pvChecks)
/**
* Check whether all inputs of this transaction are valid (no double spends, scripts & sigs, amounts)
* This does not modify the UTXO set. If pvChecks is not NULL, script checks are pushed onto it
* instead of being performed inline.
*/
static bool CheckInputs(const CTransaction& tx, CValidationState &state, const CCoinsViewCache &inputs, bool fScriptChecks, unsigned int flags, bool cacheStore, PrecomputedTransactionData& txdata, std::vector<CScriptCheck> *pvChecks)
{
if (!tx.IsCoinBase())
{
@ -1411,7 +1421,7 @@ void static FlushBlockFile(bool fFinalize = false)
}
}
bool FindUndoPos(CValidationState &state, int nFile, CDiskBlockPos &pos, unsigned int nAddSize);
static bool FindUndoPos(CValidationState &state, int nFile, CDiskBlockPos &pos, unsigned int nAddSize);
static CCheckQueue<CScriptCheck> scriptcheckqueue(128);
@ -1730,9 +1740,8 @@ static bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockInd
* 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.
*/
bool static FlushStateToDisk(CValidationState &state, FlushStateMode mode, int nManualPruneHeight) {
bool static FlushStateToDisk(const CChainParams& chainparams, CValidationState &state, FlushStateMode mode, int nManualPruneHeight) {
int64_t nMempoolUsage = mempool.DynamicMemoryUsage();
const CChainParams& chainparams = Params();
LOCK2(cs_main, cs_LastBlockFile);
static int64_t nLastWrite = 0;
static int64_t nLastFlush = 0;
@ -1836,13 +1845,15 @@ bool static FlushStateToDisk(CValidationState &state, FlushStateMode mode, int n
void FlushStateToDisk() {
CValidationState state;
FlushStateToDisk(state, FLUSH_STATE_ALWAYS);
const CChainParams& chainparams = Params();
FlushStateToDisk(chainparams, state, FLUSH_STATE_ALWAYS);
}
void PruneAndFlush() {
CValidationState state;
fCheckForPruning = true;
FlushStateToDisk(state, FLUSH_STATE_NONE);
const CChainParams& chainparams = Params();
FlushStateToDisk(chainparams, state, FLUSH_STATE_NONE);
}
static void DoWarning(const std::string& strWarning)
@ -1939,7 +1950,7 @@ bool static DisconnectTip(CValidationState& state, const CChainParams& chainpara
}
LogPrint(BCLog::BENCH, "- Disconnect block: %.2fms\n", (GetTimeMicros() - nStart) * 0.001);
// Write the chain state to disk, if necessary.
if (!FlushStateToDisk(state, FLUSH_STATE_IF_NEEDED))
if (!FlushStateToDisk(chainparams, state, FLUSH_STATE_IF_NEEDED))
return false;
if (disconnectpool) {
@ -2076,7 +2087,7 @@ bool static ConnectTip(CValidationState& state, const CChainParams& chainparams,
int64_t nTime4 = GetTimeMicros(); nTimeFlush += nTime4 - nTime3;
LogPrint(BCLog::BENCH, " - Flush: %.2fms [%.2fs]\n", (nTime4 - nTime3) * 0.001, nTimeFlush * 0.000001);
// Write the chain state to disk, if necessary.
if (!FlushStateToDisk(state, FLUSH_STATE_IF_NEEDED))
if (!FlushStateToDisk(chainparams, state, FLUSH_STATE_IF_NEEDED))
return false;
int64_t nTime5 = GetTimeMicros(); nTimeChainState += nTime5 - nTime4;
LogPrint(BCLog::BENCH, " - Writing chainstate: %.2fms [%.2fs]\n", (nTime5 - nTime4) * 0.001, nTimeChainState * 0.000001);
@ -2336,7 +2347,7 @@ bool ActivateBestChain(CValidationState &state, const CChainParams& chainparams,
CheckBlockIndex(chainparams.GetConsensus());
// Write changes periodically to disk, after relay.
if (!FlushStateToDisk(state, FLUSH_STATE_PERIODIC)) {
if (!FlushStateToDisk(chainparams, state, FLUSH_STATE_PERIODIC)) {
return false;
}
@ -2453,7 +2464,7 @@ bool ResetBlockFailureFlags(CBlockIndex *pindex) {
return true;
}
CBlockIndex* AddToBlockIndex(const CBlockHeader& block)
static CBlockIndex* AddToBlockIndex(const CBlockHeader& block)
{
// Check for duplicate
uint256 hash = block.GetHash();
@ -2537,7 +2548,7 @@ static bool ReceivedBlockTransactions(const CBlock &block, CValidationState& sta
return true;
}
bool FindBlockPos(CValidationState &state, CDiskBlockPos &pos, unsigned int nAddSize, unsigned int nHeight, uint64_t nTime, bool fKnown = false)
static bool FindBlockPos(CValidationState &state, CDiskBlockPos &pos, unsigned int nAddSize, unsigned int nHeight, uint64_t nTime, bool fKnown = false)
{
LOCK(cs_LastBlockFile);
@ -2594,7 +2605,7 @@ bool FindBlockPos(CValidationState &state, CDiskBlockPos &pos, unsigned int nAdd
return true;
}
bool FindUndoPos(CValidationState &state, int nFile, CDiskBlockPos &pos, unsigned int nAddSize)
static bool FindUndoPos(CValidationState &state, int nFile, CDiskBlockPos &pos, unsigned int nAddSize)
{
pos.nFile = nFile;
@ -2625,7 +2636,7 @@ bool FindUndoPos(CValidationState &state, int nFile, CDiskBlockPos &pos, unsigne
return true;
}
bool CheckBlockHeader(const CBlockHeader& block, CValidationState& state, const Consensus::Params& consensusParams, bool fCheckPOW)
static bool CheckBlockHeader(const CBlockHeader& block, CValidationState& state, const Consensus::Params& consensusParams, bool fCheckPOW = true)
{
// Check proof of work matches claimed amount
if (fCheckPOW && !CheckProofOfWork(block.GetHash(), block.nBits, consensusParams))
@ -2775,7 +2786,10 @@ std::vector<unsigned char> GenerateCoinbaseCommitment(CBlock& block, const CBloc
return commitment;
}
bool ContextualCheckBlockHeader(const CBlockHeader& block, CValidationState& state, const Consensus::Params& consensusParams, const CBlockIndex* pindexPrev, int64_t nAdjustedTime)
/** Context-dependent validity checks.
* By "context", we mean only the previous block headers, but not the UTXO
* set; UTXO-related validity checks are done in ConnectBlock(). */
static bool ContextualCheckBlockHeader(const CBlockHeader& block, CValidationState& state, const Consensus::Params& consensusParams, const CBlockIndex* pindexPrev, int64_t nAdjustedTime)
{
assert(pindexPrev != NULL);
const int nHeight = pindexPrev->nHeight + 1;
@ -2802,7 +2816,7 @@ bool ContextualCheckBlockHeader(const CBlockHeader& block, CValidationState& sta
return true;
}
bool ContextualCheckBlock(const CBlock& block, CValidationState& state, const Consensus::Params& consensusParams, const CBlockIndex* pindexPrev)
static bool ContextualCheckBlock(const CBlock& block, CValidationState& state, const Consensus::Params& consensusParams, const CBlockIndex* pindexPrev)
{
const int nHeight = pindexPrev == NULL ? 0 : pindexPrev->nHeight + 1;
@ -3026,7 +3040,7 @@ static bool AcceptBlock(const std::shared_ptr<const CBlock>& pblock, CValidation
}
if (fCheckForPruning)
FlushStateToDisk(state, FLUSH_STATE_NONE); // we just allocated more disk space for block files
FlushStateToDisk(chainparams, state, FLUSH_STATE_NONE); // we just allocated more disk space for block files
return true;
}
@ -3094,7 +3108,7 @@ bool TestBlockValidity(CValidationState& state, const CChainParams& chainparams,
*/
/* Calculate the amount of disk space the block & undo files currently use */
uint64_t CalculateCurrentUsage()
static uint64_t CalculateCurrentUsage()
{
uint64_t retval = 0;
BOOST_FOREACH(const CBlockFileInfo &file, vinfoBlockFile) {
@ -3147,7 +3161,7 @@ void UnlinkPrunedFiles(const std::set<int>& setFilesToPrune)
}
/* Calculate the block/rev files to delete based on height specified by user with RPC command pruneblockchain */
void FindFilesToPruneManual(std::set<int>& setFilesToPrune, int nManualPruneHeight)
static void FindFilesToPruneManual(std::set<int>& setFilesToPrune, int nManualPruneHeight)
{
assert(fPruneMode && nManualPruneHeight > 0);
@ -3172,11 +3186,26 @@ void FindFilesToPruneManual(std::set<int>& setFilesToPrune, int nManualPruneHeig
void PruneBlockFilesManual(int nManualPruneHeight)
{
CValidationState state;
FlushStateToDisk(state, FLUSH_STATE_NONE, nManualPruneHeight);
const CChainParams& chainparams = Params();
FlushStateToDisk(chainparams, state, FLUSH_STATE_NONE, nManualPruneHeight);
}
/* Calculate the block/rev files that should be deleted to remain under target*/
void FindFilesToPrune(std::set<int>& setFilesToPrune, uint64_t nPruneAfterHeight)
/**
* Prune block and undo files (blk???.dat and undo???.dat) so that the disk space used is less than a user-defined target.
* The user sets the target (in MB) on the command line or in config file. This will be run on startup and whenever new
* space is allocated in a block or undo file, staying below the target. Changing back to unpruned requires a reindex
* (which in this case means the blockchain must be re-downloaded.)
*
* Pruning functions are called from FlushStateToDisk when the global fCheckForPruning flag has been set.
* Block and undo files are deleted in lock-step (when blk00003.dat is deleted, so is rev00003.dat.)
* Pruning cannot take place until the longest chain is at least a certain length (100000 on mainnet, 1000 on testnet, 1000 on regtest).
* Pruning will never delete a block within a defined distance (currently 288) from the active chain's tip.
* The block index is updated by unsetting HAVE_DATA and HAVE_UNDO for any blocks that were stored in the deleted files.
* A db flag records the fact that at least some block files have been pruned.
*
* @param[out] setFilesToPrune The set of file indices that can be unlinked will be returned
*/
static void FindFilesToPrune(std::set<int>& setFilesToPrune, uint64_t nPruneAfterHeight)
{
LOCK2(cs_main, cs_LastBlockFile);
if (chainActive.Tip() == NULL || nPruneTarget == 0) {
@ -3234,7 +3263,7 @@ bool CheckDiskSpace(uint64_t nAdditionalBytes)
return true;
}
FILE* OpenDiskFile(const CDiskBlockPos &pos, const char *prefix, bool fReadOnly)
static FILE* OpenDiskFile(const CDiskBlockPos &pos, const char *prefix, bool fReadOnly)
{
if (pos.IsNull())
return NULL;
@ -3261,7 +3290,8 @@ FILE* OpenBlockFile(const CDiskBlockPos &pos, bool fReadOnly) {
return OpenDiskFile(pos, "blk", fReadOnly);
}
FILE* OpenUndoFile(const CDiskBlockPos &pos, bool fReadOnly) {
/** Open an undo file (rev?????.dat) */
static FILE* OpenUndoFile(const CDiskBlockPos &pos, bool fReadOnly) {
return OpenDiskFile(pos, "rev", fReadOnly);
}
@ -3533,7 +3563,7 @@ bool RewindBlockIndex(const CChainParams& params)
return error("RewindBlockIndex: unable to disconnect block at height %i", pindex->nHeight);
}
// Occasionally flush state to disk.
if (!FlushStateToDisk(state, FLUSH_STATE_PERIODIC))
if (!FlushStateToDisk(params, state, FLUSH_STATE_PERIODIC))
return false;
}
@ -3582,7 +3612,7 @@ bool RewindBlockIndex(const CChainParams& params)
CheckBlockIndex(params.GetConsensus());
if (!FlushStateToDisk(state, FLUSH_STATE_ALWAYS)) {
if (!FlushStateToDisk(params, state, FLUSH_STATE_ALWAYS)) {
return false;
}
@ -3655,7 +3685,7 @@ bool InitBlockIndex(const CChainParams& chainparams)
if (!ReceivedBlockTransactions(block, state, pindex, blockPos, chainparams.GetConsensus()))
return error("LoadBlockIndex(): genesis block not accepted");
// Force a chainstate write so that when we VerifyDB in a moment, it doesn't check stale data
return FlushStateToDisk(state, FLUSH_STATE_ALWAYS);
return FlushStateToDisk(chainparams, state, FLUSH_STATE_ALWAYS);
} catch (const std::runtime_error& e) {
return error("LoadBlockIndex(): failed to initialize block database: %s", e.what());
}
@ -3997,6 +4027,7 @@ static const uint64_t MEMPOOL_DUMP_VERSION = 1;
bool LoadMempool(void)
{
const CChainParams& chainparams = Params();
int64_t nExpiryTimeout = GetArg("-mempoolexpiry", DEFAULT_MEMPOOL_EXPIRY) * 60 * 60;
FILE* filestr = fsbridge::fopen(GetDataDir() / "mempool.dat", "rb");
CAutoFile file(filestr, SER_DISK, CLIENT_VERSION);
@ -4033,7 +4064,7 @@ bool LoadMempool(void)
CValidationState state;
if (nTime + nExpiryTimeout > nNow) {
LOCK(cs_main);
AcceptToMemoryPoolWithTime(mempool, state, tx, true, NULL, nTime);
AcceptToMemoryPoolWithTime(chainparams, mempool, state, tx, true, NULL, nTime, NULL, false, 0);
if (state.IsValid()) {
++count;
} else {

40
src/validation.h
View file

@ -255,8 +255,6 @@ bool ProcessNewBlockHeaders(const std::vector<CBlockHeader>& block, CValidationS
bool CheckDiskSpace(uint64_t nAdditionalBytes = 0);
/** Open a block file (blk?????.dat) */
FILE* OpenBlockFile(const CDiskBlockPos &pos, bool fReadOnly = false);
/** Open an undo file (rev?????.dat) */
FILE* OpenUndoFile(const CDiskBlockPos &pos, bool fReadOnly = false);
/** Translation to a filesystem path */
fs::path GetBlockPosFilename(const CDiskBlockPos &pos, const char *prefix);
/** Import blocks from an external file */
@ -288,23 +286,6 @@ CAmount GetBlockSubsidy(int nHeight, const Consensus::Params& consensusParams);
/** Guess verification progress (as a fraction between 0.0=genesis and 1.0=current tip). */
double GuessVerificationProgress(const ChainTxData& data, CBlockIndex* pindex);
/**
* Prune block and undo files (blk???.dat and undo???.dat) so that the disk space used is less than a user-defined target.
* The user sets the target (in MB) on the command line or in config file. This will be run on startup and whenever new
* space is allocated in a block or undo file, staying below the target. Changing back to unpruned requires a reindex
* (which in this case means the blockchain must be re-downloaded.)
*
* Pruning functions are called from FlushStateToDisk when the global fCheckForPruning flag has been set.
* Block and undo files are deleted in lock-step (when blk00003.dat is deleted, so is rev00003.dat.)
* Pruning cannot take place until the longest chain is at least a certain length (100000 on mainnet, 1000 on testnet, 1000 on regtest).
* Pruning will never delete a block within a defined distance (currently 288) from the active chain's tip.
* The block index is updated by unsetting HAVE_DATA and HAVE_UNDO for any blocks that were stored in the deleted files.
* A db flag records the fact that at least some block files have been pruned.
*
* @param[out] setFilesToPrune The set of file indices that can be unlinked will be returned
*/
void FindFilesToPrune(std::set<int>& setFilesToPrune, uint64_t nPruneAfterHeight);
/**
* Mark one block file as pruned.
*/
@ -330,11 +311,6 @@ bool AcceptToMemoryPool(CTxMemPool& pool, CValidationState &state, const CTransa
bool* pfMissingInputs, std::list<CTransactionRef>* plTxnReplaced = NULL,
bool fOverrideMempoolLimit=false, const CAmount nAbsurdFee=0);
/** (try to) add transaction to memory pool with a specified acceptance time **/
bool AcceptToMemoryPoolWithTime(CTxMemPool& pool, CValidationState &state, const CTransactionRef &tx, bool fLimitFree,
bool* pfMissingInputs, int64_t nAcceptTime, std::list<CTransactionRef>* plTxnReplaced = NULL,
bool fOverrideMempoolLimit=false, const CAmount nAbsurdFee=0);
/** Convert CValidationState to a human-readable message for logging */
std::string FormatStateMessage(const CValidationState &state);
@ -348,14 +324,6 @@ BIP9Stats VersionBitsTipStatistics(const Consensus::Params& params, Consensus::D
int VersionBitsTipStateSinceHeight(const Consensus::Params& params, Consensus::DeploymentPos pos);
/**
* Check whether all inputs of this transaction are valid (no double spends, scripts & sigs, amounts)
* This does not modify the UTXO set. If pvChecks is not NULL, script checks are pushed onto it
* instead of being performed inline.
*/
bool CheckInputs(const CTransaction& tx, CValidationState &state, const CCoinsViewCache &view, bool fScriptChecks,
unsigned int flags, bool cacheStore, PrecomputedTransactionData& txdata, std::vector<CScriptCheck> *pvChecks = NULL);
/** Apply the effects of this transaction on the UTXO set represented by view */
void UpdateCoins(const CTransaction& tx, CCoinsViewCache& inputs, int nHeight);
@ -428,22 +396,14 @@ public:
/** Functions for disk access for blocks */
bool WriteBlockToDisk(const CBlock& block, CDiskBlockPos& pos, const CMessageHeader::MessageStartChars& messageStart);
bool ReadBlockFromDisk(CBlock& block, const CDiskBlockPos& pos, const Consensus::Params& consensusParams);
bool ReadBlockFromDisk(CBlock& block, const CBlockIndex* pindex, const Consensus::Params& consensusParams);
/** Functions for validating blocks and updating the block tree */
/** Context-independent validity checks */
bool CheckBlockHeader(const CBlockHeader& block, CValidationState& state, const Consensus::Params& consensusParams, bool fCheckPOW = true);
bool CheckBlock(const CBlock& block, CValidationState& state, const Consensus::Params& consensusParams, bool fCheckPOW = true, bool fCheckMerkleRoot = true);
/** Context-dependent validity checks.
* By "context", we mean only the previous block headers, but not the UTXO
* set; UTXO-related validity checks are done in ConnectBlock(). */
bool ContextualCheckBlockHeader(const CBlockHeader& block, CValidationState& state, const Consensus::Params& consensusParams, const CBlockIndex* pindexPrev, int64_t nAdjustedTime);
bool ContextualCheckBlock(const CBlock& block, CValidationState& state, const Consensus::Params& consensusParams, const CBlockIndex* pindexPrev);
/** Check a block is completely valid from start to finish (only works on top of our current best block, with cs_main held) */
bool TestBlockValidity(CValidationState& state, const CChainParams& chainparams, const CBlock& block, CBlockIndex* pindexPrev, bool fCheckPOW = true, bool fCheckMerkleRoot = true);