diff options
| -rw-r--r-- | src/validation.cpp | 67 |
1 files changed, 40 insertions, 27 deletions
diff --git a/src/validation.cpp b/src/validation.cpp index 1806bc1268..d1872c961c 100644 --- a/src/validation.cpp +++ b/src/validation.cpp @@ -206,8 +206,10 @@ private: CBlockIndex* FindMostWorkChain() EXCLUSIVE_LOCKS_REQUIRED(cs_main); void ReceivedBlockTransactions(const CBlock& block, CBlockIndex* pindexNew, const CDiskBlockPos& pos, const Consensus::Params& consensusParams) EXCLUSIVE_LOCKS_REQUIRED(cs_main); - bool RollforwardBlock(const CBlockIndex* pindex, CCoinsViewCache& inputs, const CChainParams& params) EXCLUSIVE_LOCKS_REQUIRED(cs_main); + + //! Mark a block as not having block data + void EraseBlockData(CBlockIndex* index) EXCLUSIVE_LOCKS_REQUIRED(cs_main); } g_chainstate; /** @@ -4168,6 +4170,42 @@ bool ReplayBlocks(const CChainParams& params, CCoinsView* view) { return g_chainstate.ReplayBlocks(params, view); } +//! Helper for CChainState::RewindBlockIndex +void CChainState::EraseBlockData(CBlockIndex* index) +{ + AssertLockHeld(cs_main); + assert(!chainActive.Contains(index)); // Make sure this block isn't active + + // Reduce validity + index->nStatus = std::min<unsigned int>(index->nStatus & BLOCK_VALID_MASK, BLOCK_VALID_TREE) | (index->nStatus & ~BLOCK_VALID_MASK); + // Remove have-data flags. + index->nStatus &= ~(BLOCK_HAVE_DATA | BLOCK_HAVE_UNDO); + // Remove storage location. + index->nFile = 0; + index->nDataPos = 0; + index->nUndoPos = 0; + // Remove various other things + index->nTx = 0; + index->nChainTx = 0; + index->nSequenceId = 0; + // Make sure it gets written. + setDirtyBlockIndex.insert(index); + // Update indexes + setBlockIndexCandidates.erase(index); + std::pair<std::multimap<CBlockIndex*, CBlockIndex*>::iterator, std::multimap<CBlockIndex*, CBlockIndex*>::iterator> ret = mapBlocksUnlinked.equal_range(index->pprev); + while (ret.first != ret.second) { + if (ret.first->second == index) { + mapBlocksUnlinked.erase(ret.first++); + } else { + ++ret.first; + } + } + // Mark parent as eligible for main chain again + if (index->pprev && index->pprev->IsValid(BLOCK_VALID_TRANSACTIONS) && index->pprev->HaveTxsDownloaded()) { + setBlockIndexCandidates.insert(index->pprev); + } +} + bool CChainState::RewindBlockIndex(const CChainParams& params) { LOCK(cs_main); @@ -4219,32 +4257,7 @@ bool CChainState::RewindBlockIndex(const CChainParams& params) // rewind all the way. Blocks remaining on chainActive at this point // must not have their validity reduced. if (IsWitnessEnabled(pindexIter->pprev, params.GetConsensus()) && !(pindexIter->nStatus & BLOCK_OPT_WITNESS) && !chainActive.Contains(pindexIter)) { - // Reduce validity - pindexIter->nStatus = std::min<unsigned int>(pindexIter->nStatus & BLOCK_VALID_MASK, BLOCK_VALID_TREE) | (pindexIter->nStatus & ~BLOCK_VALID_MASK); - // Remove have-data flags. - pindexIter->nStatus &= ~(BLOCK_HAVE_DATA | BLOCK_HAVE_UNDO); - // Remove storage location. - pindexIter->nFile = 0; - pindexIter->nDataPos = 0; - pindexIter->nUndoPos = 0; - // Remove various other things - pindexIter->nTx = 0; - pindexIter->nChainTx = 0; - pindexIter->nSequenceId = 0; - // Make sure it gets written. - setDirtyBlockIndex.insert(pindexIter); - // Update indexes - setBlockIndexCandidates.erase(pindexIter); - std::pair<std::multimap<CBlockIndex*, CBlockIndex*>::iterator, std::multimap<CBlockIndex*, CBlockIndex*>::iterator> ret = mapBlocksUnlinked.equal_range(pindexIter->pprev); - while (ret.first != ret.second) { - if (ret.first->second == pindexIter) { - mapBlocksUnlinked.erase(ret.first++); - } else { - ++ret.first; - } - } - } else if (pindexIter->IsValid(BLOCK_VALID_TRANSACTIONS) && pindexIter->HaveTxsDownloaded()) { - setBlockIndexCandidates.insert(pindexIter); + EraseBlockData(pindexIter); } } |