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validation: populate nChainTx value for assumedvalid chainstates

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Use the expected AssumeutxoData in order to bootstrap nChainTx values
for assumedvalid blockindex entries in the snapshot chainstate. This
is necessary because nChainTx is normally built up from nTx values,
which are populated using blockdata which the snapshot chainstate
does not yet have.
This commit is contained in:
James O'Beirne 2023-05-05 15:54:13 -04:00
parent 49ef778158
commit 4c3b8ca35c
3 changed files with 29 additions and 7 deletions
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6
src/validation.cpp
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@ -4542,7 +4542,7 @@ bool ChainstateManager::LoadBlockIndex()
// Load block index from databases
bool needs_init = fReindex;
if (!fReindex) {
bool ret{m_blockman.LoadBlockIndexDB()};
bool ret{m_blockman.LoadBlockIndexDB(SnapshotBlockhash())};
if (!ret) return false;
m_blockman.ScanAndUnlinkAlreadyPrunedFiles();
@ -4838,6 +4838,10 @@ void ChainstateManager::CheckBlockIndex()
CBlockIndex* pindexFirstAssumeValid = nullptr; // Oldest ancestor of pindex which has BLOCK_ASSUMED_VALID
while (pindex != nullptr) {
nNodes++;
if (pindex->pprev && pindex->nTx > 0) {
// nChainTx should increase monotonically
assert(pindex->pprev->nChainTx <= pindex->nChainTx);
}
if (pindexFirstAssumeValid == nullptr && pindex->nStatus & BLOCK_ASSUMED_VALID) pindexFirstAssumeValid = pindex;
if (pindexFirstInvalid == nullptr && pindex->nStatus & BLOCK_FAILED_VALID) pindexFirstInvalid = pindex;
if (pindexFirstMissing == nullptr && !(pindex->nStatus & BLOCK_HAVE_DATA)) {