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Preimage: Check that at least one is upgraded #1648

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merged 2 commits into from
Sep 20, 2023
Merged

Preimage: Check that at least one is upgraded #1648

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Preimage: Check that at least one is upgraded
gavofyork Sep 20, 2023
4cf2e8e
Fix bench
ggwpez Sep 20, 2023
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3 changes: 3 additions & 0 deletions substrate/frame/preimage/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -156,6 +156,8 @@ pub mod pallet {
NotRequested,
/// More than `MAX_HASH_UPGRADE_BULK_COUNT` hashes were requested to be upgraded at once.
TooMany,
/// Too few hashes were requested to be upgraded (i.e. zero).
TooFew,
}

/// A reason for this pallet placing a hold on funds.
Expand Down Expand Up @@ -242,6 +244,7 @@ pub mod pallet {
hashes: Vec<T::Hash>,
) -> DispatchResultWithPostInfo {
ensure_signed(origin)?;
ensure!(hashes.len() > 0, Error::<T>::TooFew);
ensure!(hashes.len() <= MAX_HASH_UPGRADE_BULK_COUNT as usize, Error::<T>::TooMany);

let updated = hashes.iter().map(Self::do_ensure_updated).filter(|b| *b).count() as u32;
Expand Down