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Fix pallet_xcm::execute (#4490)

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* Make `pallet_xcm::execute` supply the proper weight credit

* Use weight correction

Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>
This commit is contained in:
Alexander Theißen
2022-01-18 18:39:23 +02:00
committed by GitHub
parent 550e81b63f
commit 3800b01fe1
1 changed files with 9 additions and 3 deletions
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polkadot/xcm/pallet-xcm/src/lib.rs
+9 -3
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@@ -572,15 +572,21 @@ pub mod pallet {
origin: OriginFor<T>,
message: Box<VersionedXcm<<T as SysConfig>::Call>>,
max_weight: Weight,
) -> DispatchResult {
) -> DispatchResultWithPostInfo {
let origin_location = T::ExecuteXcmOrigin::ensure_origin(origin)?;
let message = (*message).try_into().map_err(|()| Error::<T>::BadVersion)?;
let value = (origin_location, message);
ensure!(T::XcmExecuteFilter::contains(&value), Error::<T>::Filtered);
let (origin_location, message) = value;
let outcome = T::XcmExecutor::execute_xcm(origin_location, message, max_weight);
let outcome = T::XcmExecutor::execute_xcm_in_credit(
origin_location,
message,
max_weight,
max_weight,
);
let result = Ok(Some(outcome.weight_used().saturating_add(100_000_000)).into());
Self::deposit_event(Event::Attempted(outcome));
Ok(())
result
}
/// Extoll that a particular destination can be communicated with through a particular