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validation: remove BLOCK_FAILED_CHILD 

even though we have a distinction between BLOCK_FAILED_VALID
and BLOCK_FAILED_CHILD in the codebase, we don't use it for
anything. since there's no functional difference between them
and it's unnecessary code complexity to categorise them correctly,
just mark as BLOCK_FAILED_VALID instead.
This commit is contained in:
stratospher 2025-01-16 16:55:28 +05:30
parent f284834170
commit 350b2ad29c
5 changed files with 6 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/chain.h
View File

@ -123,7 +123,7 @@ enum BlockStatus : uint32_t {
BLOCK_HAVE_MASK = BLOCK_HAVE_DATA | BLOCK_HAVE_UNDO,
BLOCK_FAILED_VALID = 32, //!< stage after last reached validness failed
BLOCK_FAILED_CHILD = 64, //!< descends from failed block
BLOCK_FAILED_CHILD = 64, //!< Unused flag that was previously set when descending from failed block
BLOCK_FAILED_MASK = BLOCK_FAILED_VALID | BLOCK_FAILED_CHILD,
BLOCK_OPT_WITNESS = 128, //!< block data in blk*.dat was received with a witness-enforcing client

2
src/node/blockstorage.cpp
View File

@ -464,7 +464,7 @@ bool BlockManager::LoadBlockIndex(const std::optional<uint256>& snapshot_blockha
}
}
if (!(pindex->nStatus & BLOCK_FAILED_MASK) && pindex->pprev && (pindex->pprev->nStatus & BLOCK_FAILED_MASK)) {
pindex->nStatus |= BLOCK_FAILED_CHILD;
pindex->nStatus |= BLOCK_FAILED_VALID;
m_dirty_blockindex.insert(pindex);
}
if (pindex->pprev) {

11
src/test/blockchain_tests.cpp
View File

@ -130,7 +130,6 @@ BOOST_FIXTURE_TEST_CASE(invalidate_block, TestChain100Setup)
// tip_to_invalidate just got invalidated, so it's BLOCK_FAILED_VALID
WITH_LOCK(::cs_main, assert(tip_to_invalidate->nStatus & BLOCK_FAILED_VALID));
WITH_LOCK(::cs_main, assert((tip_to_invalidate->nStatus & BLOCK_FAILED_CHILD) == 0));
// check all ancestors of the invalidated block are validated up to BLOCK_VALID_TRANSACTIONS and are not invalid
auto pindex = tip_to_invalidate->pprev;
@ -140,18 +139,12 @@ BOOST_FIXTURE_TEST_CASE(invalidate_block, TestChain100Setup)
pindex = pindex->pprev;
}
// check all descendants of the invalidated block are BLOCK_FAILED_CHILD
// check all descendants of the invalidated block are BLOCK_FAILED_VALID
pindex = orig_tip;
while (pindex && pindex != tip_to_invalidate) {
WITH_LOCK(::cs_main, assert((pindex->nStatus & BLOCK_FAILED_VALID) == 0));
WITH_LOCK(::cs_main, assert(pindex->nStatus & BLOCK_FAILED_CHILD));
WITH_LOCK(::cs_main, assert(pindex->nStatus & BLOCK_FAILED_VALID));
pindex = pindex->pprev;
}
// don't mark already invalidated block (orig_tip is BLOCK_FAILED_CHILD) with BLOCK_FAILED_VALID again
m_node.chainman->ActiveChainstate().InvalidateBlock(state, orig_tip);
WITH_LOCK(::cs_main, assert(orig_tip->nStatus & BLOCK_FAILED_CHILD));
WITH_LOCK(::cs_main, assert((orig_tip->nStatus & BLOCK_FAILED_VALID) == 0));
}
BOOST_AUTO_TEST_SUITE_END()

1
src/test/fuzz/chain.cpp
View File

@ -50,7 +50,6 @@ FUZZ_TARGET(chain)
BlockStatus::BLOCK_HAVE_UNDO,
BlockStatus::BLOCK_HAVE_MASK,
BlockStatus::BLOCK_FAILED_VALID,
BlockStatus::BLOCK_FAILED_CHILD,
BlockStatus::BLOCK_FAILED_MASK,
BlockStatus::BLOCK_OPT_WITNESS,
});

4
src/validation.cpp
View File

@ -3285,7 +3285,7 @@ CBlockIndex* Chainstate::FindMostWorkChain()
// Remove the entire chain from the set.
while (pindexTest != pindexFailed) {
if (fFailedChain) {
pindexFailed->nStatus |= BLOCK_FAILED_CHILD;
pindexFailed->nStatus |= BLOCK_FAILED_VALID;
m_blockman.m_dirty_blockindex.insert(pindexFailed);
} else if (fMissingData) {
// If we're missing data, then add back to m_blocks_unlinked,
@ -3828,7 +3828,7 @@ void Chainstate::SetBlockFailureFlags(CBlockIndex* invalid_block)
for (auto& [_, block_index] : m_blockman.m_block_index) {
if (invalid_block != &block_index && block_index.GetAncestor(invalid_block->nHeight) == invalid_block) {
block_index.nStatus = (block_index.nStatus & ~BLOCK_FAILED_VALID) | BLOCK_FAILED_CHILD;
block_index.nStatus |= BLOCK_FAILED_VALID;
m_blockman.m_dirty_blockindex.insert(&block_index);
}
}