XCM v2: Scripting, Query responses, Exception handling and Error reporting (#3629)

* Intoduce XCM v2 Also some minor fix for v0/v1 * Minor version cleanup * Minor version cleanup * Introduce SendError for XcmSend trait to avoid cycles with having Outcome in Xcm * comment * Corrent type * Docs * Fix build * Fixes * Introduce the basic impl * Docs * Add function * Basic implementation * Weighed responses and on_report * Make XCM more script-like * Remove BuyExecution::orders * Fixes * Fixes * Fixes * Formatting * Initial draft and make pallet-xcm build * fix XCM tests * Formatting * Fixes * Formatting * spelling * Fixes * Fixes * spelling * tests for translation * extra fields to XCM pallet * Formatting * Fixes * spelling * first integration test * Another integration test * Formatting * fix tests * all tests * Fixes * Fixes * Formatting * Fixes * Fixes * Formatting * Bump * Remove unneeded structuring * add instruction * Fixes * spelling * Fixes * Fixes * Formatting * Fixes * Fixes * Formatting * Introduce and use VersionedResponse * Introduce versioning to dispatchables' params * Fixes * Formatting * Rest of merge * more work * Formatting * Basic logic * Fixes * Fixes * Add test * Fixes * Formatting * Fixes * Fixes * Fixes * Nits * Simplify * Spelling * Formatting * Return weight of unexecuted instructions in case of error as surplus * Formatting * Fixes * Test for instruction count limiting * Formatting * Docs
2026-05-30 05:51:02 +00:00 · 2021-08-26 12:41:16 +02:00
parent 4193f05fa3
commit 8b80b283d4
37 changed files with 3070 additions and 966 deletions
@@ -22,7 +22,7 @@ use frame_support::pallet_prelude::*;
 use primitives::v1::{DownwardMessage, Hash, Id as ParaId, InboundDownwardMessage};
 use sp_runtime::traits::{BlakeTwo256, Hash as HashT, SaturatedConversion};
 use sp_std::{fmt, prelude::*};
-use xcm::latest::Error as XcmError;
+use xcm::latest::SendError;

 pub use pallet::*;

@@ -33,10 +33,10 @@ pub enum QueueDownwardMessageError {
 	ExceedsMaxMessageSize,
 }

-impl From<QueueDownwardMessageError> for XcmError {
+impl From<QueueDownwardMessageError> for SendError {
 	fn from(err: QueueDownwardMessageError) -> Self {
 		match err {
-			QueueDownwardMessageError::ExceedsMaxMessageSize => XcmError::ExceedsMaxMessageSize,
+			QueueDownwardMessageError::ExceedsMaxMessageSize => SendError::ExceedsMaxMessageSize,
 		}
 	}
 }
@@ -1007,13 +1007,13 @@ impl<T: Config> Pallet<T> {

 		let notification_bytes = {
 			use parity_scale_codec::Encode as _;
-			use xcm::opaque::{v1::Xcm, VersionedXcm};
+			use xcm::opaque::{latest::prelude::*, VersionedXcm};

-			VersionedXcm::from(Xcm::HrmpNewChannelOpenRequest {
+			VersionedXcm::from(Xcm(vec![HrmpNewChannelOpenRequest {
 				sender: u32::from(origin),
 				max_capacity: proposed_max_capacity,
 				max_message_size: proposed_max_message_size,
-			})
+			}]))
 			.encode()
 		};
 		if let Err(dmp::QueueDownwardMessageError::ExceedsMaxMessageSize) =
@@ -1066,9 +1066,9 @@ impl<T: Config> Pallet<T> {

 		let notification_bytes = {
 			use parity_scale_codec::Encode as _;
-			use xcm::opaque::{v1::Xcm, VersionedXcm};
-
-			VersionedXcm::from(Xcm::HrmpChannelAccepted { recipient: u32::from(origin) }).encode()
+			use xcm::opaque::{latest::prelude::*, VersionedXcm};
+			let xcm = Xcm(vec![HrmpChannelAccepted { recipient: u32::from(origin) }]);
+			VersionedXcm::from(xcm).encode()
 		};
 		if let Err(dmp::QueueDownwardMessageError::ExceedsMaxMessageSize) =
 			<dmp::Pallet<T>>::queue_downward_message(&config, sender, notification_bytes)
@@ -1106,13 +1106,13 @@ impl<T: Config> Pallet<T> {
 		let config = <configuration::Pallet<T>>::config();
 		let notification_bytes = {
 			use parity_scale_codec::Encode as _;
-			use xcm::opaque::{v1::Xcm, VersionedXcm};
+			use xcm::opaque::{latest::prelude::*, VersionedXcm};

-			VersionedXcm::from(Xcm::HrmpChannelClosing {
+			VersionedXcm::from(Xcm(vec![HrmpChannelClosing {
 				initiator: u32::from(origin),
 				sender: u32::from(channel_id.sender),
 				recipient: u32::from(channel_id.recipient),
-			})
+			}]))
 			.encode()
 		};
 		let opposite_party =