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validation: Add and use HaveTxsDownloaded where appropriate

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This commit is contained in:
MarcoFalke
2018-12-03 18:14:08 -05:00
parent ed12fd83ca
commit fa4fc8856b
4 changed files with 24 additions and 15 deletions
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24
src/validation.cpp
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@@ -2487,7 +2487,7 @@ CBlockIndex* CChainState::FindMostWorkChain() {
CBlockIndex *pindexTest = pindexNew;
bool fInvalidAncestor = false;
while (pindexTest && !chainActive.Contains(pindexTest)) {
assert(pindexTest->nChainTx || pindexTest->nHeight == 0);
assert(pindexTest->HaveTxsDownloaded() || pindexTest->nHeight == 0);
// Pruned nodes may have entries in setBlockIndexCandidates for
// which block files have been deleted. Remove those as candidates
@@ -2777,7 +2777,7 @@ bool CChainState::PreciousBlock(CValidationState& state, const CChainParams& par
// call preciousblock 2**31-1 times on the same set of tips...
nBlockReverseSequenceId--;
}
if (pindex->IsValid(BLOCK_VALID_TRANSACTIONS) && pindex->nChainTx) {
if (pindex->IsValid(BLOCK_VALID_TRANSACTIONS) && pindex->HaveTxsDownloaded()) {
setBlockIndexCandidates.insert(pindex);
PruneBlockIndexCandidates();
}
@@ -2838,7 +2838,7 @@ bool CChainState::InvalidateBlock(CValidationState& state, const CChainParams& c
// add it again.
BlockMap::iterator it = mapBlockIndex.begin();
while (it != mapBlockIndex.end()) {
if (it->second->IsValid(BLOCK_VALID_TRANSACTIONS) && it->second->nChainTx && !setBlockIndexCandidates.value_comp()(it->second, chainActive.Tip())) {
if (it->second->IsValid(BLOCK_VALID_TRANSACTIONS) && it->second->HaveTxsDownloaded() && !setBlockIndexCandidates.value_comp()(it->second, chainActive.Tip())) {
setBlockIndexCandidates.insert(it->second);
}
it++;
@@ -2868,7 +2868,7 @@ void CChainState::ResetBlockFailureFlags(CBlockIndex *pindex) {
if (!it->second->IsValid() && it->second->GetAncestor(nHeight) == pindex) {
it->second->nStatus &= ~BLOCK_FAILED_MASK;
setDirtyBlockIndex.insert(it->second);
if (it->second->IsValid(BLOCK_VALID_TRANSACTIONS) && it->second->nChainTx && setBlockIndexCandidates.value_comp()(chainActive.Tip(), it->second)) {
if (it->second->IsValid(BLOCK_VALID_TRANSACTIONS) && it->second->HaveTxsDownloaded() && setBlockIndexCandidates.value_comp()(chainActive.Tip(), it->second)) {
setBlockIndexCandidates.insert(it->second);
}
if (it->second == pindexBestInvalid) {
@@ -2946,7 +2946,7 @@ void CChainState::ReceivedBlockTransactions(const CBlock& block, CBlockIndex* pi
pindexNew->RaiseValidity(BLOCK_VALID_TRANSACTIONS);
setDirtyBlockIndex.insert(pindexNew);
if (pindexNew->pprev == nullptr || pindexNew->pprev->nChainTx) {
if (pindexNew->pprev == nullptr || pindexNew->pprev->HaveTxsDownloaded()) {
// If pindexNew is the genesis block or all parents are BLOCK_VALID_TRANSACTIONS.
std::deque<CBlockIndex*> queue;
queue.push_back(pindexNew);
@@ -3839,7 +3839,7 @@ bool CChainState::LoadBlockIndex(const Consensus::Params& consensus_params, CBlo
// Pruned nodes may have deleted the block.
if (pindex->nTx > 0) {
if (pindex->pprev) {
if (pindex->pprev->nChainTx) {
if (pindex->pprev->HaveTxsDownloaded()) {
pindex->nChainTx = pindex->pprev->nChainTx + pindex->nTx;
} else {
pindex->nChainTx = 0;
@@ -3853,7 +3853,7 @@ bool CChainState::LoadBlockIndex(const Consensus::Params& consensus_params, CBlo
pindex->nStatus |= BLOCK_FAILED_CHILD;
setDirtyBlockIndex.insert(pindex);
}
if (pindex->IsValid(BLOCK_VALID_TRANSACTIONS) && (pindex->nChainTx || pindex->pprev == nullptr))
if (pindex->IsValid(BLOCK_VALID_TRANSACTIONS) && (pindex->HaveTxsDownloaded() || pindex->pprev == nullptr))
setBlockIndexCandidates.insert(pindex);
if (pindex->nStatus & BLOCK_FAILED_MASK && (!pindexBestInvalid || pindex->nChainWork > pindexBestInvalid->nChainWork))
pindexBestInvalid = pindex;
@@ -4222,7 +4222,7 @@ bool CChainState::RewindBlockIndex(const CChainParams& params)
++ret.first;
}
}
} else if (pindexIter->IsValid(BLOCK_VALID_TRANSACTIONS) && pindexIter->nChainTx) {
} else if (pindexIter->IsValid(BLOCK_VALID_TRANSACTIONS) && pindexIter->HaveTxsDownloaded()) {
setBlockIndexCandidates.insert(pindexIter);
}
}
@@ -4523,7 +4523,7 @@ void CChainState::CheckBlockIndex(const Consensus::Params& consensusParams)
assert(pindex->GetBlockHash() == consensusParams.hashGenesisBlock); // Genesis block's hash must match.
assert(pindex == chainActive.Genesis()); // The current active chain's genesis block must be this block.
}
if (pindex->nChainTx == 0) assert(pindex->nSequenceId <= 0); // nSequenceId can't be set positive for blocks that aren't linked (negative is used for preciousblock)
if (!pindex->HaveTxsDownloaded()) assert(pindex->nSequenceId <= 0); // nSequenceId can't be set positive for blocks that aren't linked (negative is used for preciousblock)
// VALID_TRANSACTIONS is equivalent to nTx > 0 for all nodes (whether or not pruning has occurred).
// HAVE_DATA is only equivalent to nTx > 0 (or VALID_TRANSACTIONS) if no pruning has occurred.
if (!fHavePruned) {
@@ -4536,9 +4536,9 @@ void CChainState::CheckBlockIndex(const Consensus::Params& consensusParams)
}
if (pindex->nStatus & BLOCK_HAVE_UNDO) assert(pindex->nStatus & BLOCK_HAVE_DATA);
assert(((pindex->nStatus & BLOCK_VALID_MASK) >= BLOCK_VALID_TRANSACTIONS) == (pindex->nTx > 0)); // This is pruning-independent.
// All parents having had data (at some point) is equivalent to all parents being VALID_TRANSACTIONS, which is equivalent to nChainTx being set.
assert((pindexFirstNeverProcessed != nullptr) == (pindex->nChainTx == 0)); // nChainTx != 0 is used to signal that all parent blocks have been processed (but may have been pruned).
assert((pindexFirstNotTransactionsValid != nullptr) == (pindex->nChainTx == 0));
// All parents having had data (at some point) is equivalent to all parents being VALID_TRANSACTIONS, which is equivalent to HaveTxsDownloaded().
assert((pindexFirstNeverProcessed == nullptr) == pindex->HaveTxsDownloaded());
assert((pindexFirstNotTransactionsValid == nullptr) == pindex->HaveTxsDownloaded());
assert(pindex->nHeight == nHeight); // nHeight must be consistent.
assert(pindex->pprev == nullptr || pindex->nChainWork >= pindex->pprev->nChainWork); // For every block except the genesis block, the chainwork must be larger than the parent's.
assert(nHeight < 2 || (pindex->pskip && (pindex->pskip->nHeight < nHeight))); // The pskip pointer must point back for all but the first 2 blocks.