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refactor: simplify pruning violation check

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By generalizing 'GetFirstStoredBlock' and implementing
'CheckBlockDataAvailability' we can dedup code and
avoid repeating work when multiple indexes are enabled.
E.g. get the oldest block across all indexes and
perform the pruning violation check from that point
up to the tip only once (this feature is being introduced
in a follow-up commit).

This commit shouldn't change behavior in any way.

Co-authored-by: Ryan Ofsky <ryan@ofsky.org>
This commit is contained in:
furszy 2023-05-16 19:19:06 -03:00
parent c82ef91eae
commit 2ec89f1970
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GPG key ID: 5DD23CCC686AA623
4 changed files with 48 additions and 35 deletions
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10
src/test/blockmanager_tests.cpp
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@ -92,6 +92,7 @@ BOOST_FIXTURE_TEST_CASE(blockmanager_scan_unlink_already_pruned_files, TestChain
BOOST_FIXTURE_TEST_CASE(blockmanager_block_data_availability, TestChain100Setup)
{
// The goal of the function is to return the first not pruned block in the range [upper_block, lower_block].
LOCK(::cs_main);
auto& chainman = m_node.chainman;
auto& blockman = chainman->m_blockman;
@ -110,6 +111,11 @@ BOOST_FIXTURE_TEST_CASE(blockmanager_block_data_availability, TestChain100Setup)
// 1) Return genesis block when all blocks are available
BOOST_CHECK_EQUAL(blockman.GetFirstStoredBlock(tip), chainman->ActiveChain()[0]);
BOOST_CHECK(blockman.CheckBlockDataAvailability(tip, *chainman->ActiveChain()[0]));
// 2) Check lower_block when all blocks are available
CBlockIndex* lower_block = chainman->ActiveChain()[tip.nHeight / 2];
BOOST_CHECK(blockman.CheckBlockDataAvailability(tip, *lower_block));
// Prune half of the blocks
int height_to_prune = tip.nHeight / 2;
@ -117,8 +123,10 @@ BOOST_FIXTURE_TEST_CASE(blockmanager_block_data_availability, TestChain100Setup)
CBlockIndex* last_pruned_block = first_available_block->pprev;
func_prune_blocks(last_pruned_block);
// 2) The last block not pruned is in-between upper-block and the genesis block
// 3) The last block not pruned is in-between upper-block and the genesis block
BOOST_CHECK_EQUAL(blockman.GetFirstStoredBlock(tip), first_available_block);
BOOST_CHECK(blockman.CheckBlockDataAvailability(tip, *first_available_block));
BOOST_CHECK(!blockman.CheckBlockDataAvailability(tip, *last_pruned_block));
}
BOOST_AUTO_TEST_SUITE_END()