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blockman: Replace m_reindexing with m_blockfiles_indexed

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This is a just a mechanical change, renaming and inverting the meaning
of the indexing variable.

"m_blockfiles_indexed" is a more straightforward name for this variable
because this variable just indicates whether or not
<datadir>/blocks/blk?????.dat files have been indexed in the
<datadir>/blocks/index LevelDB database. The name "m_reindexing" was
more confusing, it could be true even if -reindex was not specified, and
false when it was specified. Also, the previous name unnecessarily
required thinking about the whole reindexing process just to understand
simple checks in validation code about whether blocks were indexed.

The motivation for this change is to follow up on previous commits,
moving away from having multiple variables called "reindex" internally,
and instead naming variables individually after what they do and
represent.
This commit is contained in:
Ryan Ofsky 2024-06-07 13:05:06 +02:00 • committed by TheCharlatan
parent 1b1c6dcca0
commit f68cba29b3
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6 changed files with 23 additions and 22 deletions
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6
src/node/blockstorage.cpp
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@ -551,7 +551,7 @@ bool BlockManager::LoadBlockIndexDB(const std::optional<uint256>& snapshot_block
// Check whether we need to continue reindexing
bool fReindexing = false;
m_block_tree_db->ReadReindexing(fReindexing);
if (fReindexing) m_reindexing = true;
if (fReindexing) m_blockfiles_indexed = false;
return true;
}
@ -1182,7 +1182,7 @@ void ImportBlocks(ChainstateManager& chainman, std::vector<fs::path> vImportFile
ImportingNow imp{chainman.m_blockman.m_importing};
// -reindex
if (chainman.m_blockman.m_reindexing) {
if (!chainman.m_blockman.m_blockfiles_indexed) {
int nFile = 0;
// Map of disk positions for blocks with unknown parent (only used for reindex);
// parent hash -> child disk position, multiple children can have the same parent.
@ -1205,7 +1205,7 @@ void ImportBlocks(ChainstateManager& chainman, std::vector<fs::path> vImportFile
nFile++;
}
WITH_LOCK(::cs_main, chainman.m_blockman.m_block_tree_db->WriteReindexing(false));
chainman.m_blockman.m_reindexing = false;
chainman.m_blockman.m_blockfiles_indexed = true;
LogPrintf("Reindexing finished\n");
// To avoid ending up in a situation without genesis block, re-try initializing (no-op if reindexing worked):
chainman.ActiveChainstate().LoadGenesisBlock();