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Delay writing block indexes in invalidate/reconsider

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This commit is contained in:
Pieter Wuille 2014-11-25 12:33:43 +01:00
parent 798faec3ea
commit 3dd8ed72e5
1 changed files with 6 additions and 12 deletions
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18
src/main.cpp
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@ -2137,17 +2137,13 @@ bool InvalidateBlock(CValidationState& state, CBlockIndex *pindex) {
// Mark the block itself as invalid.
pindex->nStatus |= BLOCK_FAILED_VALID;
if (!pblocktree->WriteBlockIndex(CDiskBlockIndex(pindex))) {
return state.Abort("Failed to update block index");
}
setDirtyBlockIndex.insert(pindex);
setBlockIndexCandidates.erase(pindex);
while (chainActive.Contains(pindex)) {
CBlockIndex *pindexWalk = chainActive.Tip();
pindexWalk->nStatus |= BLOCK_FAILED_CHILD;
if (!pblocktree->WriteBlockIndex(CDiskBlockIndex(pindexWalk))) {
return state.Abort("Failed to update block index");
}
setDirtyBlockIndex.insert(pindexWalk);
setBlockIndexCandidates.erase(pindexWalk);
// ActivateBestChain considers blocks already in chainActive
// unconditionally valid already, so force disconnect away from it.
@ -2180,9 +2176,7 @@ bool ReconsiderBlock(CValidationState& state, CBlockIndex *pindex) {
while (it != mapBlockIndex.end()) {
if (!it->second->IsValid() && it->second->GetAncestor(nHeight) == pindex) {
it->second->nStatus &= ~BLOCK_FAILED_MASK;
if (!pblocktree->WriteBlockIndex(CDiskBlockIndex(pindex))) {
return state.Abort("Failed to update block index");
}
setDirtyBlockIndex.insert(it->second);
if (it->second->IsValid(BLOCK_VALID_TRANSACTIONS) && it->second->nChainTx && setBlockIndexCandidates.value_comp()(chainActive.Tip(), it->second)) {
setBlockIndexCandidates.insert(it->second);
}
@ -2196,9 +2190,9 @@ bool ReconsiderBlock(CValidationState& state, CBlockIndex *pindex) {
// Remove the invalidity flag from all ancestors too.
while (pindex != NULL) {
pindex->nStatus &= ~BLOCK_FAILED_MASK;
if (!pblocktree->WriteBlockIndex(CDiskBlockIndex(pindex))) {
return state.Abort("Failed to update block index");
if (pindex->nStatus & BLOCK_FAILED_MASK) {
pindex->nStatus &= ~BLOCK_FAILED_MASK;
setDirtyBlockIndex.insert(pindex);
}
pindex = pindex->pprev;
}