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coins: test chainstate flush baseline

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Add `CDBWrapper::GetProperty()` and expose it through `CCoinsViewDB::GetDBProperty()` so coins tests can inspect LevelDB runtime properties through the coins view.
Use it in a coins DB flush baseline that records the LevelDB layout after flushing while keeping readback coverage for the flushed coin and best block.

Co-authored-by: Andrew Toth <andrewstoth@gmail.com>
This commit is contained in:
Lőrinc
2026-06-04 19:42:00 +02:00
parent c117bbc467
commit b10889d107
5 changed files with 42 additions and 2 deletions
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9
src/dbwrapper.cpp
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@@ -301,11 +301,16 @@ void CDBWrapper::WriteBatch(CDBBatch& batch, bool fSync)
}
}
std::optional<std::string> CDBWrapper::GetProperty(const std::string& property) const
{
if (std::string value; DBContext().pdb->GetProperty(property, &value)) return value;
return std::nullopt;
}
size_t CDBWrapper::DynamicMemoryUsage() const
{
std::string memory;
std::optional<size_t> parsed;
if (!DBContext().pdb->GetProperty("leveldb.approximate-memory-usage", &memory) || !(parsed = ToIntegral<size_t>(memory))) {
if (auto memory{GetProperty("leveldb.approximate-memory-usage")}; !memory || !(parsed = ToIntegral<size_t>(*memory))) {
LogDebug(BCLog::LEVELDB, "Failed to get approximate-memory-usage property\n");
return 0;
}