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Avoid updating the block gap when it's unchanged #5540

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merged 5 commits into from
Sep 4, 2024
Merged

Avoid updating the block gap when it's unchanged #5540

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bde7609
Avoid updating the block gap when it's unchanged
liuchengxu Sep 1, 2024
f2a260b
Make format strings more consistent within this file
liuchengxu Sep 1, 2024
e977dd5
Only update the block gap state when it's changed
liuchengxu Sep 1, 2024
335ac51
Add prdoc
liuchengxu Sep 1, 2024
79c5e6f
Merge branch 'master' into avoid-updating-block-gap-when-unchanged
davxy Sep 4, 2024
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26 changes: 13 additions & 13 deletions substrate/client/db/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1693,19 +1693,19 @@ impl<Block: BlockT> Backend<Block> {
number,
hash,
)?;
}
if start > end {
transaction.remove(columns::META, meta_keys::BLOCK_GAP);
block_gap = None;
debug!(target: "db", "Removed block gap.");
} else {
block_gap = Some((start, end));
debug!(target: "db", "Update block gap. {:?}", block_gap);
transaction.set(
columns::META,
meta_keys::BLOCK_GAP,
&(start, end).encode(),
);
if start > end {
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Are you sure the block gap can't be updated externally and returned from self.blockchain.meta.read()?

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Yes, I'm pretty sure that update_block_gap() is the only way to update the gap in meta and it's only invoked at the end of try_commit_operation().

transaction.remove(columns::META, meta_keys::BLOCK_GAP);
block_gap = None;
debug!(target: "db", "Removed block gap.");
} else {
block_gap = Some((start, end));
debug!(target: "db", "Update block gap. {:?}", block_gap);
transaction.set(
columns::META,
meta_keys::BLOCK_GAP,
&(start, end).encode(),
);
}
}
} else if number > best_num + One::one() &&
number > One::one() && self.blockchain.header(parent_hash)?.is_none()
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