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Move some additional variables into CChainState private

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This commit is contained in:
Matt Corallo 2017-04-25 21:31:08 -04:00
parent fd4d80a2f8
commit 2862aca40f
2 changed files with 47 additions and 46 deletions
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91
src/validation.cpp
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@ -113,6 +113,39 @@ private:
* 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*> g_failed_blocks;
public:
CChain chainActive;
BlockMap mapBlockIndex;
@ -220,38 +253,6 @@ namespace {
*/
bool fCheckForPruning = false;
/**
* 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*> g_failed_blocks;
/** Dirty block index entries. */
std::set<CBlockIndex*> setDirtyBlockIndex;
@ -2129,10 +2130,8 @@ static void DoWarning(const std::string& strWarning)
}
}
/** Update chainActive and related internal data structures. */
void static UpdateTip(CBlockIndex *pindexNew, const CChainParams& chainParams) {
chainActive.SetTip(pindexNew);
/** Check warning conditions and do some notifications on new chain tip set. */
void static UpdateTip(const CBlockIndex *pindexNew, const CChainParams& chainParams) {
// New best block
mempool.AddTransactionsUpdated(1);
@ -2142,7 +2141,7 @@ void static UpdateTip(CBlockIndex *pindexNew, const CChainParams& chainParams) {
if (!IsInitialBlockDownload())
{
int nUpgraded = 0;
const CBlockIndex* pindex = chainActive.Tip();
const CBlockIndex* pindex = pindexNew;
for (int bit = 0; bit < VERSIONBITS_NUM_BITS; bit++) {
WarningBitsConditionChecker checker(bit);
ThresholdState state = checker.GetStateFor(pindex, chainParams.GetConsensus(), warningcache[bit]);
@ -2173,10 +2172,10 @@ void static UpdateTip(CBlockIndex *pindexNew, const CChainParams& chainParams) {
}
}
LogPrintf("%s: new best=%s height=%d version=0x%08x log2_work=%.8g tx=%lu date='%s' progress=%f cache=%.1fMiB(%utxo)", __func__,
chainActive.Tip()->GetBlockHash().ToString(), chainActive.Height(), chainActive.Tip()->nVersion,
log(chainActive.Tip()->nChainWork.getdouble())/log(2.0), (unsigned long)chainActive.Tip()->nChainTx,
DateTimeStrFormat("%Y-%m-%d %H:%M:%S", chainActive.Tip()->GetBlockTime()),
GuessVerificationProgress(chainParams.TxData(), chainActive.Tip()), pcoinsTip->DynamicMemoryUsage() * (1.0 / (1<<20)), pcoinsTip->GetCacheSize());
pindexNew->GetBlockHash().ToString(), pindexNew->nHeight, pindexNew->nVersion,
log(pindexNew->nChainWork.getdouble())/log(2.0), (unsigned long)pindexNew->nChainTx,
DateTimeStrFormat("%Y-%m-%d %H:%M:%S", pindexNew->GetBlockTime()),
GuessVerificationProgress(chainParams.TxData(), pindexNew), pcoinsTip->DynamicMemoryUsage() * (1.0 / (1<<20)), pcoinsTip->GetCacheSize());
if (!warningMessages.empty())
LogPrintf(" warning='%s'", boost::algorithm::join(warningMessages, ", "));
LogPrintf("\n");
@ -2230,7 +2229,8 @@ bool CChainState::DisconnectTip(CValidationState& state, const CChainParams& cha
}
}
// Update chainActive and related variables.
chainActive.SetTip(pindexDelete->pprev);
UpdateTip(pindexDelete->pprev, chainparams);
// Let wallets know transactions went from 1-confirmed to
// 0-confirmed or conflicted:
@ -2359,6 +2359,7 @@ bool CChainState::ConnectTip(CValidationState& state, const CChainParams& chainp
mempool.removeForBlock(blockConnecting.vtx, pindexNew->nHeight);
disconnectpool.removeForBlock(blockConnecting.vtx);
// Update chainActive & related variables.
chainActive.SetTip(pindexNew);
UpdateTip(pindexNew, chainparams);
int64_t nTime6 = GetTimeMicros(); nTimePostConnect += nTime6 - nTime5; nTimeTotal += nTime6 - nTime1;
@ -4087,6 +4088,8 @@ bool RewindBlockIndex(const CChainParams& params) {
}
void CChainState::UnloadBlockIndex() {
nBlockSequenceId = 1;
g_failed_blocks.clear();
setBlockIndexCandidates.clear();
}
@ -4103,9 +4106,7 @@ void UnloadBlockIndex()
mapBlocksUnlinked.clear();
vinfoBlockFile.clear();
nLastBlockFile = 0;
nBlockSequenceId = 1;
setDirtyBlockIndex.clear();
g_failed_blocks.clear();
setDirtyFileInfo.clear();
versionbitscache.Clear();
for (int b = 0; b < VERSIONBITS_NUM_BITS; b++) {
@ -4637,7 +4638,7 @@ bool DumpMempool(void)
}
//! Guess how far we are in the verification process at the given block index
double GuessVerificationProgress(const ChainTxData& data, CBlockIndex *pindex) {
double GuessVerificationProgress(const ChainTxData& data, const CBlockIndex *pindex) {
if (pindex == nullptr)
return 0.0;

2
src/validation.h
View File

@ -279,7 +279,7 @@ bool ActivateBestChain(CValidationState& state, const CChainParams& chainparams,
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);
double GuessVerificationProgress(const ChainTxData& data, const CBlockIndex* pindex);
/** Calculate the amount of disk space the block & undo files currently use */
uint64_t CalculateCurrentUsage();