Struct polkadot_runtime_parachains::hrmp::pallet::Pallet

impl<T: Config> Pallet<T>

pub fn hrmp_init_open_channel(
 origin: OriginFor<T>,
 recipient: ParaId,
 proposed_max_capacity: u32,
 proposed_max_message_size: u32
) -> DispatchResult

Initiate opening a channel from a parachain to a given recipient with given channel parameters.

proposed_max_capacity - specifies how many messages can be in the channel at once.
proposed_max_message_size - specifies the maximum size of the messages.

These numbers are a subject to the relay-chain configuration limits.

The channel can be opened only after the recipient confirms it and only on a session change.

pub fn hrmp_accept_open_channel(
origin: OriginFor<T>,
sender: ParaId
) -> DispatchResult

Accept a pending open channel request from the given sender.

The channel will be opened only on the next session boundary.

pub fn hrmp_close_channel(
origin: OriginFor<T>,
channel_id: HrmpChannelId
) -> DispatchResult

Initiate unilateral closing of a channel. The origin must be either the sender or the recipient in the channel being closed.

The closure can only happen on a session change.

pub fn force_clean_hrmp(
 origin: OriginFor<T>,
 para: ParaId,
 _inbound: u32,
 _outbound: u32
) -> DispatchResult

This extrinsic triggers the cleanup of all the HRMP storage items that a para may have. Normally this happens once per session, but this allows you to trigger the cleanup immediately for a specific parachain.

Origin must be Root.

Number of inbound and outbound channels for para must be provided as witness data of weighing.

pub fn force_process_hrmp_open(
origin: OriginFor<T>,
_channels: u32
) -> DispatchResult

Force process HRMP open channel requests.

If there are pending HRMP open channel requests, you can use this function process all of those requests immediately.

Total number of opening channels must be provided as witness data of weighing.

pub fn force_process_hrmp_close(
origin: OriginFor<T>,
_channels: u32
) -> DispatchResult

Force process HRMP close channel requests.

If there are pending HRMP close channel requests, you can use this function process all of those requests immediately.

Total number of closing channels must be provided as witness data of weighing.

pub fn hrmp_cancel_open_request(
 origin: OriginFor<T>,
 channel_id: HrmpChannelId,
 open_requests: u32
) -> DispatchResult

This cancels a pending open channel request. It can be canceled by either of the sender or the recipient for that request. The origin must be either of those.

The cancellation happens immediately. It is not possible to cancel the request if it is already accepted.

Total number of open requests (i.e. HrmpOpenChannelRequestsList) must be provided as witness data.

impl<T: Config> Pallet<T>

Routines and getters related to HRMP.

pub fn init_open_channel(
    origin: ParaId,
    recipient: ParaId,
    proposed_max_capacity: u32,
    proposed_max_message_size: u32
) -> DispatchResult

Initiate opening a channel from a parachain to a given recipient with given channel parameters.

Basically the same as hrmp_init_open_channel but intended for calling directly from other pallets rather than dispatched.

pub fn accept_open_channel(origin: ParaId, sender: ParaId) -> DispatchResult

Accept a pending open channel request from the given sender.

Basically the same as hrmp_accept_open_channel but intended for calling directly from other pallets rather than dispatched.

Trait Implementations§

impl<T> Benchmarking for Pallet<T>where
T: Config + Config,
<T as Config>::Origin: From<Origin>,

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

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.

fn clone(&self) -> Self

Returns a copy of the value. Read more

1.0.0 · source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

impl<T> Debug for Pallet<T>

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

Formats the value using the given formatter. Read more

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

fn current_storage_version() -> StorageVersion

Returns the current storage version as supported by the pallet.

fn on_chain_storage_version() -> StorageVersion

Returns the on-chain storage version of the pallet as stored in the storage.

impl<T: Config> Hooks<<T as Config>::BlockNumber> for Pallet<T>

fn on_finalize(_n: BlockNumber)

The block is being finalized. Implement to have something happen.

fn on_idle(_n: BlockNumber, _remaining_weight: Weight) -> Weight

This will be run when the block is being finalized (before on_finalize). Implement to have something happen using the remaining weight. Will not fire if the remaining weight is 0. Return the weight used, the hook will subtract it from current weight used and pass the result to the next on_idle hook if it exists. Read more

fn on_initialize(_n: BlockNumber) -> Weight

The block is being initialized. Implement to have something happen. Read more

fn on_runtime_upgrade() -> Weight

Perform a module upgrade. Read more

fn try_state(_n: BlockNumber) -> Result<(), &'static str>

Execute the sanity checks of this pallet, per block. Read more

fn pre_upgrade() -> Result<(), &'static str>

Execute some pre-checks prior to a runtime upgrade. Read more

fn post_upgrade() -> Result<(), &'static str>

Execute some post-checks after a runtime upgrade. Read more

fn offchain_worker(_n: BlockNumber)

Implementing this function on a module allows you to perform long-running tasks that make (by default) validators generate transactions that feed results of those long-running computations back on chain. Read more

fn integrity_test()

Run integrity test. Read more

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

fn integrity_test()

Run integrity test. Read more

impl<T: Config> OffchainWorker<<T as Config>::BlockNumber> for Pallet<T>

fn offchain_worker(n: <T as Config>::BlockNumber)

This function is being called after every block import (when fully synced). Read more

impl<T: Config> OnFinalize<<T as Config>::BlockNumber> for Pallet<T>

fn on_finalize(n: <T as Config>::BlockNumber)

The block is being finalized. Implement to have something happen. Read more

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

fn on_genesis()

Something that should happen at genesis.

impl<T: Config> OnIdle<<T as Config>::BlockNumber> for Pallet<T>

fn on_idle(n: <T as Config>::BlockNumber, remaining_weight: Weight) -> Weight

The block is being finalized. Implement to have something happen in case there is leftover weight. Check the passed remaining_weight to make sure it is high enough to allow for your pallet’s extra computation. Read more

impl<T: Config> OnInitialize<<T as Config>::BlockNumber> for Pallet<T>

fn on_initialize(n: <T as Config>::BlockNumber) -> Weight

The block is being initialized. Implement to have something happen. Read more

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

fn on_runtime_upgrade() -> Weight

Perform a module upgrade. Read more

fn pre_upgrade() -> Result<(), &'static str>

Execute some pre-checks prior to a runtime upgrade. Read more

fn post_upgrade() -> Result<(), &'static str>

Execute some post-checks after a runtime upgrade. Read more

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

fn index() -> usize

Index of the pallet as configured in the runtime.

fn name() -> &'static str

Name of the pallet as configured in the runtime.

fn module_name() -> &'static str

Name of the Rust module containing the pallet.

fn crate_version() -> CrateVersion

Version of the crate containing the pallet.

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

fn count() -> usize

The number of pallets’ information that this type represents. Read more

fn infos() -> Vec<PalletInfoData> ⓘ

All of the pallets’ information that this type represents.

impl<T> PartialEq<Pallet<T>> for Pallet<T>

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

This method tests for self and other values to be equal, and is used by ==. Read more

1.0.0 · source§

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. Read more

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

fn storage_info() -> Vec<StorageInfo> ⓘ

impl<T> Eq for Pallet<T>

Auto Trait Implementations§

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

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

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

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

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

Blanket Implementations§

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

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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T: ?Sized,

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Immutably borrows from an owned value. Read more

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T: ?Sized,

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Mutably borrows from an owned value. Read more

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Self: TryFrom<T>,

Convert from a value of T into an equivalent instance of Option<Self>. Read more

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Self: TryInto<T>,

Consume self to return Some equivalent value of Option<T>. Read more

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

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Convert &Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &Any’s vtable from &Trait’s. Read more

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

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Compare self to key and return true if they are equal.

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Self: Binary,

Causes self to use its Binary implementation when Debug-formatted. Read more

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Self: Display,

Causes self to use its Display implementation when Debug-formatted. Read more

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Self: LowerExp,

Causes self to use its LowerExp implementation when Debug-formatted. Read more

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Self: LowerHex,

Causes self to use its LowerHex implementation when Debug-formatted. Read more

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Self: Octal,

Causes self to use its Octal implementation when Debug-formatted. Read more

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Self: Pointer,

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Self: UpperExp,

Causes self to use its UpperExp implementation when Debug-formatted. Read more

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Self: UpperHex,

Causes self to use its UpperHex implementation when Debug-formatted. Read more

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&'a Self: for<'a> IntoIterator,

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Returns the argument unchanged.

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Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl OnRuntimeUpgradeHelpersExt for Uwhere
U: OnRuntimeUpgrade,

fn storage_key(ident: &str) -> [u8; 32]

Generate a storage key unique to this runtime upgrade. Read more

fn get_temp_storage<T>(at: &str) -> Option<T>where
T: Decode,

Get temporary storage data written by Self::set_temp_storage. Read more

fn set_temp_storage<T>(data: T, at: &str)where
T: Encode,

Write some temporary data to a specific storage that can be read (potentially in post-upgrade hook) via Self::get_temp_storage. Read more

impl<T> PalletVersionToStorageVersionHelper for Twhere
T: GetStorageVersion + PalletInfoAccess,

fn migrate(db_weight: &RuntimeDbWeight) -> Weight

impl<T> Pipe for Twhere
T: ?Sized,

fn pipe<R>(self, func: impl FnOnce(Self) -> R) -> Rwhere
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Pipes by value. This is generally the method you want to use. Read more

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R: 'a,

Borrows self and passes that borrow into the pipe function. Read more

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Mutably borrows self and passes that borrow into the pipe function. Read more

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 R: 'a,

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 &'a mut self,
 func: impl FnOnce(&'a mut B) -> R
) -> Rwhere
 Self: BorrowMut,
 B: 'a + ?Sized,
 R: 'a,

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 R: 'a,

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 R: 'a,

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 Self: Deref<Target = T>,
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 R: 'a,

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 Self: DerefMut<Target = T> + Deref,
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 R: 'a,

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const ALIGN: usize = mem::align_of::<T>()

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unsafe fn init(init: <T as Pointable>::Init) -> usize

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const: unstable · source§

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