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-rw-r--r--src/validation.cpp91
1 files changed, 46 insertions, 45 deletions
diff --git a/src/validation.cpp b/src/validation.cpp
index 1e0653cef1..f6b77b6c38 100644
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -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;