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Support XCM v1 (Companion to #2815) (#561)

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* support for XCM v1

* Fixes

* Fix.

* Use `xcm::latest`

* Bump Polkadot

Co-authored-by: Bastian Köcher <info@kchr.de>
This commit is contained in:
Gavin Wood
2021-08-06 21:13:33 +02:00
committed by Bastian Köcher
parent fd80849dde
commit e36689ffc8
12 changed files with 225 additions and 207 deletions
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pallets/xcmp-queue/src/lib.rs
+11 -10
View File
@@ -42,11 +42,8 @@ use rand_chacha::{
ChaChaRng,
};
use sp_runtime::{traits::Hash, RuntimeDebug};
use sp_std::{convert::TryFrom, prelude::*};
use xcm::{
v0::{Error as XcmError, ExecuteXcm, Junction, MultiLocation, Outcome, SendXcm, Xcm},
VersionedXcm,
};
use sp_std::{prelude::*, convert::TryFrom};
use xcm::{latest::prelude::*, WrapVersion, VersionedXcm};
pub use pallet::*;
@@ -69,6 +66,9 @@ pub mod pallet {
/// Information on the avaialble XCMP channels.
type ChannelInfo: GetChannelInfo;
/// Means of converting an `Xcm` into a `VersionedXcm`.
type VersionWrapper: WrapVersion;
}
impl Default for QueueConfigData {
@@ -351,7 +351,7 @@ impl<T: Config> Pallet<T> {
log::debug!("Processing XCMP-XCM: {:?}", &hash);
let (result, event) = match Xcm::<T::Call>::try_from(xcm) {
Ok(xcm) => {
let location = (Junction::Parent, Junction::Parachain(sender.into()));
let location = (Parent, Parachain(sender.into()));
match T::XcmExecutor::execute_xcm(location.into(), xcm, max_weight) {
Outcome::Error(e) => (Err(e.clone()), Event::Fail(Some(hash), e)),
Outcome::Complete(w) => (Ok(w), Event::Success(Some(hash))),
@@ -777,13 +777,14 @@ impl<T: Config> SendXcm for Pallet<T> {
fn send_xcm(dest: MultiLocation, msg: Xcm<()>) -> Result<(), XcmError> {
match &dest {
// An HRMP message for a sibling parachain.
MultiLocation::X2(Junction::Parent, Junction::Parachain(id)) => {
let msg = VersionedXcm::<()>::from(msg);
let hash = T::Hashing::hash_of(&msg);
X2(Parent, Parachain(id)) => {
let versioned_xcm = T::VersionWrapper::wrap_version(&dest, msg)
.map_err(|()| XcmError::DestinationUnsupported)?;
let hash = T::Hashing::hash_of(&versioned_xcm);
Self::send_fragment(
(*id).into(),
XcmpMessageFormat::ConcatenatedVersionedXcm,
msg,
versioned_xcm,
)
.map_err(|e| XcmError::SendFailed(<&'static str>::from(e)))?;
Self::deposit_event(Event::XcmpMessageSent(Some(hash)));