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Struct cumulus_pallet_xcmp_queue::pallet::Pallet

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pub struct Pallet<T>(/* private fields */);
Expand description

The Pallet struct, the main type that implements traits and standalone functions within the pallet.

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impl<T: Config> Pallet<T>

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pub fn suspend_xcm_execution(origin: OriginFor<T>) -> DispatchResult

Suspends all XCM executions for the XCMP queue, regardless of the sender’s origin.

  • origin: Must pass ControllerOrigin.
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pub fn resume_xcm_execution(origin: OriginFor<T>) -> DispatchResult

Resumes all XCM executions for the XCMP queue.

Note that this function doesn’t change the status of the in/out bound channels.

  • origin: Must pass ControllerOrigin.
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pub fn update_suspend_threshold( origin: OriginFor<T>, new: u32, ) -> DispatchResult

Overwrites the number of pages which must be in the queue for the other side to be told to suspend their sending.

  • origin: Must pass Root.
  • new: Desired value for QueueConfigData.suspend_value
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pub fn update_drop_threshold(origin: OriginFor<T>, new: u32) -> DispatchResult

Overwrites the number of pages which must be in the queue after which we drop any further messages from the channel.

  • origin: Must pass Root.
  • new: Desired value for QueueConfigData.drop_threshold
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pub fn update_resume_threshold(origin: OriginFor<T>, new: u32) -> DispatchResult

Overwrites the number of pages which the queue must be reduced to before it signals that message sending may recommence after it has been suspended.

  • origin: Must pass Root.
  • new: Desired value for QueueConfigData.resume_threshold
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impl<T: Config> Pallet<T>

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pub fn on_idle_weight() -> Weight

The worst-case weight of on_idle.

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impl<T: Config> BeforeAllRuntimeMigrations for Pallet<T>

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fn before_all_runtime_migrations() -> Weight

Something that should happen before runtime migrations are executed.
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impl<T> Benchmarking for Pallet<T>
where T: Config + Config,

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fn benchmarks(extra: bool) -> Vec<BenchmarkMetadata>

Get the benchmarks available for this pallet. Generally there is one benchmark per extrinsic, so these are sometimes just called “extrinsics”. Read more
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fn run_benchmark( extrinsic: &[u8], c: &[(BenchmarkParameter, u32)], whitelist: &[TrackedStorageKey], verify: bool, internal_repeats: u32, ) -> Result<Vec<BenchmarkResult>, BenchmarkError>

Run the benchmarks for this pallet.
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impl<T: Config> Callable<T> for Pallet<T>

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impl<T> Clone for Pallet<T>

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fn clone(&self) -> Self

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<T> Debug for Pallet<T>

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fn fmt(&self, fmt: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl<T: Config> FeeTracker for Pallet<T>

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type Id = Id

Type used for assigning different fee factors to different destinations
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fn get_fee_factor(id: Self::Id) -> FixedU128

Returns the evolving exponential fee factor which will be used to calculate the delivery fees.
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fn increase_fee_factor( id: Self::Id, message_size_factor: FixedU128, ) -> FixedU128

Increases the delivery fee factor by a factor based on message size and records the result. Read more
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fn decrease_fee_factor(id: Self::Id) -> FixedU128

Decreases the delivery fee factor by a constant factor and records the result. Read more
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impl<T: Config> GetStorageVersion for Pallet<T>

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type InCodeStorageVersion = StorageVersion

This type is generated by the pallet macro. Read more
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fn in_code_storage_version() -> Self::InCodeStorageVersion

Returns the in-code storage version as specified in the storage_version attribute, or [NoStorageVersionSet] if the attribute is missing.
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fn on_chain_storage_version() -> StorageVersion

Returns the storage version of the pallet as last set in the actual on-chain storage.
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fn current_storage_version() -> Self::InCodeStorageVersion

👎Deprecated: This method has been renamed to in_code_storage_version and will be removed after March 2024.
DEPRECATED: Use [Self::current_storage_version] instead. Read more
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impl<T: Config> Hooks<<<<T as Config>::Block as HeaderProvider>::HeaderT as Header>::Number> for Pallet<T>

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fn integrity_test()

Check the integrity of this pallet’s configuration. Read more
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fn on_idle(_block: BlockNumberFor<T>, limit: Weight) -> Weight

Hook to consume a block’s idle time. This will run when the block is being finalized (before [Hooks::on_finalize]). Read more
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fn on_initialize(_n: BlockNumber) -> Weight

Block initialization hook. This is called at the very beginning of block execution. Read more
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fn on_finalize(_n: BlockNumber)

Block finalization hook. This is called at the very end of block execution. Read more
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fn on_poll(_n: BlockNumber, _weight: &mut WeightMeter)

A hook to run logic after inherent application. Read more
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fn on_runtime_upgrade() -> Weight

Hook executed when a code change (aka. a “runtime upgrade”) is detected by the FRAME Executive pallet. Read more
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fn try_state(_n: BlockNumber) -> Result<(), DispatchError>

Execute the sanity checks of this pallet, per block. Read more
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fn pre_upgrade() -> Result<Vec<u8>, DispatchError>

Execute some pre-checks prior to a runtime upgrade. Read more
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fn post_upgrade(_state: Vec<u8>) -> Result<(), DispatchError>

Execute some post-checks after a runtime upgrade. Read more
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fn offchain_worker(_n: BlockNumber)

Implementing this function on a pallet allows you to perform long-running tasks that are dispatched as separate threads, and entirely independent of the main blockchain execution. Read more
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impl<T: Config> InspectMessageQueues for Pallet<T>

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fn clear_messages()

Clear the queues at the beginning of Runtime API call, so that subsequent Self::get_messages() will return only messages generated by said Runtime API.
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fn get_messages() -> Vec<(VersionedLocation, Vec<VersionedXcm<()>>)>

Get queued messages and their destinations.
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impl<T: Config> IntegrityTest for Pallet<T>

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fn integrity_test()

See [Hooks::integrity_test].
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impl<T: Config> OffchainWorker<<<<T as Config>::Block as HeaderProvider>::HeaderT as Header>::Number> for Pallet<T>

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fn offchain_worker(n: BlockNumberFor<T>)

This function is being called after every block import (when fully synced). Read more
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impl<T: Config> OnFinalize<<<<T as Config>::Block as HeaderProvider>::HeaderT as Header>::Number> for Pallet<T>

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fn on_finalize(n: BlockNumberFor<T>)

See [Hooks::on_finalize].
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impl<T: Config> OnGenesis for Pallet<T>

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fn on_genesis()

Something that should happen at genesis.
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impl<T: Config> OnIdle<<<<T as Config>::Block as HeaderProvider>::HeaderT as Header>::Number> for Pallet<T>

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fn on_idle(n: BlockNumberFor<T>, remaining_weight: Weight) -> Weight

See [Hooks::on_idle].
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impl<T: Config> OnInitialize<<<<T as Config>::Block as HeaderProvider>::HeaderT as Header>::Number> for Pallet<T>

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fn on_initialize(n: BlockNumberFor<T>) -> Weight

See [Hooks::on_initialize].
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impl<T: Config> OnPoll<<<<T as Config>::Block as HeaderProvider>::HeaderT as Header>::Number> for Pallet<T>

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fn on_poll(n: BlockNumberFor<T>, weight: &mut WeightMeter)

Code to execute every now and then at the beginning of the block after inherent application. Read more
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impl<T: Config> OnQueueChanged<Id> for Pallet<T>

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fn on_queue_changed(para: ParaId, fp: QueueFootprint)

Note that the queue id now has item_count items in it, taking up items_size bytes.
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impl<T: Config> OnRuntimeUpgrade for Pallet<T>

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fn on_runtime_upgrade() -> Weight

See [Hooks::on_runtime_upgrade].
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fn pre_upgrade() -> Result<Vec<u8>, TryRuntimeError>

See [Hooks::pre_upgrade].
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fn post_upgrade(state: Vec<u8>) -> Result<(), TryRuntimeError>

See [Hooks::post_upgrade].
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fn try_on_runtime_upgrade(checks: bool) -> Result<Weight, DispatchError>

The expected and default behavior of this method is to handle executing pre_upgrade -> on_runtime_upgrade -> post_upgrade hooks for a migration. Read more
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impl<T: Config> PalletInfoAccess for Pallet<T>

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fn index() -> usize

Index of the pallet as configured in the runtime.
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fn name() -> &'static str

Name of the pallet as configured in the runtime.
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fn name_hash() -> [u8; 16]

Two128 hash of name.
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fn module_name() -> &'static str

Name of the Rust module containing the pallet.
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fn crate_version() -> CrateVersion

Version of the crate containing the pallet.
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impl<T: Config> PalletsInfoAccess for Pallet<T>

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fn count() -> usize

The number of pallets’ information that this type represents. Read more
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fn infos() -> Vec<PalletInfoData>

All of the pallets’ information that this type represents.
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impl<T> PartialEq for Pallet<T>

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fn eq(&self, other: &Self) -> bool

This method tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl<T: Config> QueuePausedQuery<Id> for Pallet<T>

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fn is_paused(para: &ParaId) -> bool

Whether this queue is paused.
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impl<T: Config> SendXcm for Pallet<T>

Xcm sender for sending to a sibling parachain.

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type Ticket = (Id, VersionedXcm<()>)

Intermediate value which connects the two phases of the send operation.
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fn validate( dest: &mut Option<Location>, msg: &mut Option<Xcm<()>>, ) -> SendResult<(ParaId, VersionedXcm<()>)>

Check whether the given _message is deliverable to the given _destination and if so determine the cost which will be paid by this chain to do so, returning a Validated token which can be used to enact delivery. Read more
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fn deliver((id, xcm): (ParaId, VersionedXcm<()>)) -> Result<XcmHash, SendError>

Actually carry out the delivery operation for a previously validated message sending.
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impl<T: Config> StorageInfoTrait for Pallet<T>

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fn storage_info() -> Vec<StorageInfo>

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impl<T: Config> TryDecodeEntireStorage for Pallet<T>

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fn try_decode_entire_state() -> Result<usize, Vec<TryDecodeEntireStorageError>>

Decode the entire data under the given storage, returning Ok(bytes_decoded) if success.
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impl<T: Config> TryState<<<<T as Config>::Block as HeaderProvider>::HeaderT as Header>::Number> for Pallet<T>

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fn try_state( n: BlockNumberFor<T>, _s: TryStateSelect, ) -> Result<(), TryRuntimeError>

Execute the state checks.
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impl<T: Config> WhitelistedStorageKeys for Pallet<T>

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fn whitelisted_storage_keys() -> Vec<TrackedStorageKey>

Returns a Vec<TrackedStorageKey> indicating the storage keys that should be whitelisted during benchmarking. This means that those keys will be excluded from the benchmarking performance calculation.
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impl<T: Config> XcmpMessageHandler for Pallet<T>

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fn handle_xcmp_messages<'a, I: Iterator<Item = (ParaId, RelayBlockNumber, &'a [u8])>>( iter: I, max_weight: Weight, ) -> Weight

Handle some incoming XCMP messages (note these are the big one-per-block aggregate messages). Read more
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impl<T: Config> XcmpMessageSource for Pallet<T>

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fn take_outbound_messages(maximum_channels: usize) -> Vec<(ParaId, Vec<u8>)>

Take a single XCMP message from the queue for the given dest, if one exists.
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impl<T> Eq for Pallet<T>

Auto Trait Implementations§

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impl<T> Freeze for Pallet<T>

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impl<T> RefUnwindSafe for Pallet<T>
where T: RefUnwindSafe,

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impl<T> Send for Pallet<T>
where T: Send,

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impl<T> Sync for Pallet<T>
where T: Sync,

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impl<T> Unpin for Pallet<T>
where T: Unpin,

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impl<T> UnwindSafe for Pallet<T>
where T: UnwindSafe,

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CheckedConversion for T

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fn checked_from<T>(t: T) -> Option<Self>
where Self: TryFrom<T>,

Convert from a value of T into an equivalent instance of Option<Self>. Read more
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fn checked_into<T>(self) -> Option<T>
where Self: TryInto<T>,

Consume self to return Some equivalent value of Option<T>. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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default unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
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impl<T> Conv for T

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fn conv<T>(self) -> T
where Self: Into<T>,

Converts self into T using Into<T>. Read more
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where T: Clone,

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fn __clone_box(&self, _: Private) -> *mut ()

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where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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where Self: Binary,

Causes self to use its Binary implementation when Debug-formatted.
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where Self: Display,

Causes self to use its Display implementation when Debug-formatted.
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where Self: LowerExp,

Causes self to use its LowerExp implementation when Debug-formatted.
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where Self: LowerHex,

Causes self to use its LowerHex implementation when Debug-formatted.
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where Self: Octal,

Causes self to use its Octal implementation when Debug-formatted.
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Causes self to use its UpperExp implementation when Debug-formatted.
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Formats each item in a sequence. Read more
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Instruments this type with the provided [Span], returning an Instrumented wrapper. Read more
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Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<T, U> TryIntoKey<U> for T
where U: TryFromKey<T>,

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type Error = <U as TryFromKey<T>>::Error

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fn try_into_key(self) -> Result<U, <U as TryFromKey<T>>::Error>

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impl<S, T> UncheckedInto<T> for S
where T: UncheckedFrom<S>,

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fn unchecked_into(self) -> T

The counterpart to unchecked_from.
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impl<T, S> UniqueSaturatedInto<T> for S
where T: Bounded, S: TryInto<T>,

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fn unique_saturated_into(self) -> T

Consume self to return an equivalent value of T.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a [WithDispatch] wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a [WithDispatch] wrapper. Read more
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impl<T> JsonSchemaMaybe for T

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impl<T> MaybeDebug for T
where T: Debug,

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impl<T> MaybeRefUnwindSafe for T
where T: RefUnwindSafe,

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impl<T> MaybeRefUnwindSafe for T
where T: RefUnwindSafe,

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impl<T> Member for T
where T: Send + Sync + Debug + Eq + PartialEq + Clone + 'static,

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impl<T> Scalar for T
where T: 'static + Clone + PartialEq + Debug,