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XCM: Implement a blocking barrier (#7098)

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* Move XCM matcher to xcm-builder

* Use ProcessMessageError as the error type in MatchXcm and ShouldExecute

* Implement a blocking barrier

* Fixes

* Add benchmarking for force_suspension

* ".git/.scripts/commands/bench/bench.sh" runtime westend pallet_xcm

* ".git/.scripts/commands/bench/bench.sh" runtime rococo pallet_xcm

* ".git/.scripts/commands/bench/bench.sh" runtime kusama pallet_xcm

* ".git/.scripts/commands/bench/bench.sh" runtime polkadot pallet_xcm

* ".git/.scripts/commands/bench/bench.sh" runtime westend pallet_xcm

* ".git/.scripts/commands/bench/bench.sh" runtime rococo pallet_xcm

---------

Co-authored-by: command-bot <>
This commit is contained in:
Keith Yeung
2023-04-27 18:22:39 +08:00
committed by GitHub
parent 1125655024
commit d20e3c1145
18 changed files with 644 additions and 444 deletions
Download Patch File Download Diff File Expand all files Collapse all files
polkadot/xcm/pallet-xcm/src/benchmarking.rs
+2
View File
@@ -115,6 +115,8 @@ benchmarks! {
let _ = Pallet::<T>::request_version_notify(loc);
}: _(RawOrigin::Root, Box::new(versioned_loc))
force_suspension {}: _(RawOrigin::Root, true)
migrate_supported_version {
let old_version = XCM_VERSION - 1;
let loc = VersionedMultiLocation::from(MultiLocation::from(Parent));
polkadot/xcm/pallet-xcm/src/lib.rs
+38 -5
View File
@@ -52,7 +52,8 @@ use frame_system::pallet_prelude::*;
pub use pallet::*;
use xcm_executor::{
traits::{
ClaimAssets, DropAssets, MatchesFungible, OnResponse, VersionChangeNotifier, WeightBounds,
CheckSuspension, ClaimAssets, DropAssets, MatchesFungible, OnResponse,
VersionChangeNotifier, WeightBounds,
},
Assets,
};
@@ -66,6 +67,7 @@ pub trait WeightInfo {
fn force_default_xcm_version() -> Weight;
fn force_subscribe_version_notify() -> Weight;
fn force_unsubscribe_version_notify() -> Weight;
fn force_suspension() -> Weight;
fn migrate_supported_version() -> Weight;
fn migrate_version_notifiers() -> Weight;
fn already_notified_target() -> Weight;
@@ -110,6 +112,10 @@ impl WeightInfo for TestWeightInfo {
Weight::from_parts(100_000_000, 0)
}
fn force_suspension() -> Weight {
Weight::from_parts(100_000_000, 0)
}
fn migrate_supported_version() -> Weight {
Weight::from_parts(100_000_000, 0)
}
@@ -612,6 +618,10 @@ pub mod pallet {
OptionQuery,
>;
/// Global suspension state of the XCM executor.
#[pallet::storage]
pub(super) type XcmExecutionSuspended<T: Config> = StorageValue<_, bool, ValueQuery>;
#[pallet::genesis_config]
pub struct GenesisConfig {
/// The default version to encode outgoing XCM messages with.
@@ -908,7 +918,7 @@ pub mod pallet {
/// Extoll that a particular destination can be communicated with through a particular
/// version of XCM.
///
/// - `origin`: Must be Root.
/// - `origin`: Must be an origin specified by AdminOrigin.
/// - `location`: The destination that is being described.
/// - `xcm_version`: The latest version of XCM that `location` supports.
#[pallet::call_index(4)]
@@ -932,7 +942,7 @@ pub mod pallet {
/// Set a safe XCM version (the version that XCM should be encoded with if the most recent
/// version a destination can accept is unknown).
///
/// - `origin`: Must be Root.
/// - `origin`: Must be an origin specified by AdminOrigin.
/// - `maybe_xcm_version`: The default XCM encoding version, or `None` to disable.
#[pallet::call_index(5)]
#[pallet::weight(T::WeightInfo::force_default_xcm_version())]
@@ -947,7 +957,7 @@ pub mod pallet {
/// Ask a location to notify us regarding their XCM version and any changes to it.
///
/// - `origin`: Must be Root.
/// - `origin`: Must be an origin specified by AdminOrigin.
/// - `location`: The location to which we should subscribe for XCM version notifications.
#[pallet::call_index(6)]
#[pallet::weight(T::WeightInfo::force_subscribe_version_notify())]
@@ -970,7 +980,7 @@ pub mod pallet {
/// Require that a particular destination should no longer notify us regarding any XCM
/// version changes.
///
/// - `origin`: Must be Root.
/// - `origin`: Must be an origin specified by AdminOrigin.
/// - `location`: The location to which we are currently subscribed for XCM version
/// notifications which we no longer desire.
#[pallet::call_index(7)]
@@ -1092,6 +1102,18 @@ pub mod pallet {
Some(weight_limit),
)
}
/// Set or unset the global suspension state of the XCM executor.
///
/// - `origin`: Must be an origin specified by AdminOrigin.
/// - `suspended`: `true` to suspend, `false` to resume.
#[pallet::call_index(10)]
#[pallet::weight(T::WeightInfo::force_suspension())]
pub fn force_suspension(origin: OriginFor<T>, suspended: bool) -> DispatchResult {
T::AdminOrigin::ensure_origin(origin)?;
XcmExecutionSuspended::<T>::set(suspended);
Ok(())
}
}
}
@@ -2044,6 +2066,17 @@ impl<T: Config> OnResponse for Pallet<T> {
}
}
impl<T: Config> CheckSuspension for Pallet<T> {
fn is_suspended<Call>(
_origin: &MultiLocation,
_instructions: &mut [Instruction<Call>],
_max_weight: Weight,
_weight_credit: &mut Weight,
) -> bool {
XcmExecutionSuspended::<T>::get()
}
}
/// Ensure that the origin `o` represents an XCM (`Transact`) origin.
///
/// Returns `Ok` with the location of the XCM sender or an `Err` otherwise.