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Avoid consuming XCM message for NotApplicable scenario (#1787)

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* Avoid consuming message for NotApplicable scenario

* Avoid consuming message for NotApplicable scenario tests
This commit is contained in:
Branislav Kontur
2022-10-25 13:50:19 +02:00
committed by GitHub
parent c446b6321b
commit 7290787bf3
3 changed files with 192 additions and 4 deletions
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pallets/xcmp-queue/src/lib.rs
+3 -2
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@@ -1138,19 +1138,20 @@ impl<T: Config> SendXcm for Pallet<T> {
msg: &mut Option<Xcm<()>>,
) -> SendResult<(ParaId, VersionedXcm<()>)> {
let d = dest.take().ok_or(SendError::MissingArgument)?;
let xcm = msg.take().ok_or(SendError::MissingArgument)?;
match &d {
// An HRMP message for a sibling parachain.
MultiLocation { parents: 1, interior: X1(Parachain(id)) } => {
let xcm = msg.take().ok_or(SendError::MissingArgument)?;
let id = ParaId::from(*id);
let price = T::PriceForSiblingDelivery::price_for_sibling_delivery(id, &xcm);
let versioned_xcm = T::VersionWrapper::wrap_version(&d, xcm)
.map_err(|()| SendError::DestinationUnsupported)?;
Ok(((id, versioned_xcm), price))
},
// Anything else is unhandled. This includes a message this is meant for us.
_ => {
// Anything else is unhandled. This includes a message that is not meant for us.
// We need to make sure that dest/msg is not consumed here.
*dest = Some(d);
Err(SendError::NotApplicable)
},