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Struct pallet_xcm::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.

Implementations§

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impl<T: Config> Pallet<T>

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pub fn send( origin: OriginFor<T>, dest: Box<VersionedLocation>, message: Box<VersionedXcm<()>>, ) -> DispatchResult

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pub fn teleport_assets( origin: OriginFor<T>, dest: Box<VersionedLocation>, beneficiary: Box<VersionedLocation>, assets: Box<VersionedAssets>, fee_asset_item: u32, ) -> DispatchResult

👎Deprecated: This extrinsic uses WeightLimit::Unlimited, please migrate to limited_teleport_assets or transfer_assets

Teleport some assets from the local chain to some destination chain.

This function is deprecated: Use limited_teleport_assets instead.

Fee payment on the destination side is made from the asset in the assets vector of index fee_asset_item. The weight limit for fees is not provided and thus is unlimited, with all fees taken as needed from the asset.

  • origin: Must be capable of withdrawing the assets and executing XCM.
  • dest: Destination context for the assets. Will typically be [Parent, Parachain(..)] to send from parachain to parachain, or [Parachain(..)] to send from relay to parachain.
  • beneficiary: A beneficiary location for the assets in the context of dest. Will generally be an AccountId32 value.
  • assets: The assets to be withdrawn. This should include the assets used to pay the fee on the dest chain.
  • fee_asset_item: The index into assets of the item which should be used to pay fees.
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pub fn reserve_transfer_assets( origin: OriginFor<T>, dest: Box<VersionedLocation>, beneficiary: Box<VersionedLocation>, assets: Box<VersionedAssets>, fee_asset_item: u32, ) -> DispatchResult

👎Deprecated: This extrinsic uses WeightLimit::Unlimited, please migrate to limited_reserve_transfer_assets or transfer_assets

Transfer some assets from the local chain to the destination chain through their local, destination or remote reserve.

assets must have same reserve location and may not be teleportable to dest.

  • assets have local reserve: transfer assets to sovereign account of destination chain and forward a notification XCM to dest to mint and deposit reserve-based assets to beneficiary.
  • assets have destination reserve: burn local assets and forward a notification to dest chain to withdraw the reserve assets from this chain’s sovereign account and deposit them to beneficiary.
  • assets have remote reserve: burn local assets, forward XCM to reserve chain to move reserves from this chain’s SA to dest chain’s SA, and forward another XCM to dest to mint and deposit reserve-based assets to beneficiary.

This function is deprecated: Use limited_reserve_transfer_assets instead.

Fee payment on the destination side is made from the asset in the assets vector of index fee_asset_item. The weight limit for fees is not provided and thus is unlimited, with all fees taken as needed from the asset.

  • origin: Must be capable of withdrawing the assets and executing XCM.
  • dest: Destination context for the assets. Will typically be [Parent, Parachain(..)] to send from parachain to parachain, or [Parachain(..)] to send from relay to parachain.
  • beneficiary: A beneficiary location for the assets in the context of dest. Will generally be an AccountId32 value.
  • assets: The assets to be withdrawn. This should include the assets used to pay the fee on the dest (and possibly reserve) chains.
  • fee_asset_item: The index into assets of the item which should be used to pay fees.
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pub fn execute( origin: OriginFor<T>, message: Box<VersionedXcm<<T as Config>::RuntimeCall>>, max_weight: Weight, ) -> DispatchResultWithPostInfo

Execute an XCM message from a local, signed, origin.

An event is deposited indicating whether msg could be executed completely or only partially.

No more than max_weight will be used in its attempted execution. If this is less than the maximum amount of weight that the message could take to be executed, then no execution attempt will be made.

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pub fn force_xcm_version( origin: OriginFor<T>, location: Box<Location>, version: XcmVersion, ) -> DispatchResult

Extoll that a particular destination can be communicated with through a particular version of XCM.

  • 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.
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pub fn force_default_xcm_version( origin: OriginFor<T>, maybe_xcm_version: Option<XcmVersion>, ) -> DispatchResult

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 an origin specified by AdminOrigin.
  • maybe_xcm_version: The default XCM encoding version, or None to disable.
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pub fn force_subscribe_version_notify( origin: OriginFor<T>, location: Box<VersionedLocation>, ) -> DispatchResult

Ask a location to notify us regarding their XCM version and any changes to it.

  • origin: Must be an origin specified by AdminOrigin.
  • location: The location to which we should subscribe for XCM version notifications.
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pub fn force_unsubscribe_version_notify( origin: OriginFor<T>, location: Box<VersionedLocation>, ) -> DispatchResult

Require that a particular destination should no longer notify us regarding any XCM version changes.

  • 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.
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pub fn limited_reserve_transfer_assets( origin: OriginFor<T>, dest: Box<VersionedLocation>, beneficiary: Box<VersionedLocation>, assets: Box<VersionedAssets>, fee_asset_item: u32, weight_limit: WeightLimit, ) -> DispatchResult

Transfer some assets from the local chain to the destination chain through their local, destination or remote reserve.

assets must have same reserve location and may not be teleportable to dest.

  • assets have local reserve: transfer assets to sovereign account of destination chain and forward a notification XCM to dest to mint and deposit reserve-based assets to beneficiary.
  • assets have destination reserve: burn local assets and forward a notification to dest chain to withdraw the reserve assets from this chain’s sovereign account and deposit them to beneficiary.
  • assets have remote reserve: burn local assets, forward XCM to reserve chain to move reserves from this chain’s SA to dest chain’s SA, and forward another XCM to dest to mint and deposit reserve-based assets to beneficiary.

Fee payment on the destination side is made from the asset in the assets vector of index fee_asset_item, up to enough to pay for weight_limit of weight. If more weight is needed than weight_limit, then the operation will fail and the sent assets may be at risk.

  • origin: Must be capable of withdrawing the assets and executing XCM.
  • dest: Destination context for the assets. Will typically be [Parent, Parachain(..)] to send from parachain to parachain, or [Parachain(..)] to send from relay to parachain.
  • beneficiary: A beneficiary location for the assets in the context of dest. Will generally be an AccountId32 value.
  • assets: The assets to be withdrawn. This should include the assets used to pay the fee on the dest (and possibly reserve) chains.
  • fee_asset_item: The index into assets of the item which should be used to pay fees.
  • weight_limit: The remote-side weight limit, if any, for the XCM fee purchase.
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pub fn limited_teleport_assets( origin: OriginFor<T>, dest: Box<VersionedLocation>, beneficiary: Box<VersionedLocation>, assets: Box<VersionedAssets>, fee_asset_item: u32, weight_limit: WeightLimit, ) -> DispatchResult

Teleport some assets from the local chain to some destination chain.

Fee payment on the destination side is made from the asset in the assets vector of index fee_asset_item, up to enough to pay for weight_limit of weight. If more weight is needed than weight_limit, then the operation will fail and the sent assets may be at risk.

  • origin: Must be capable of withdrawing the assets and executing XCM.
  • dest: Destination context for the assets. Will typically be [Parent, Parachain(..)] to send from parachain to parachain, or [Parachain(..)] to send from relay to parachain.
  • beneficiary: A beneficiary location for the assets in the context of dest. Will generally be an AccountId32 value.
  • assets: The assets to be withdrawn. This should include the assets used to pay the fee on the dest chain.
  • fee_asset_item: The index into assets of the item which should be used to pay fees.
  • weight_limit: The remote-side weight limit, if any, for the XCM fee purchase.
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pub fn force_suspension(origin: OriginFor<T>, suspended: bool) -> DispatchResult

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.
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pub fn transfer_assets( origin: OriginFor<T>, dest: Box<VersionedLocation>, beneficiary: Box<VersionedLocation>, assets: Box<VersionedAssets>, fee_asset_item: u32, weight_limit: WeightLimit, ) -> DispatchResult

Transfer some assets from the local chain to the destination chain through their local, destination or remote reserve, or through teleports.

Fee payment on the destination side is made from the asset in the assets vector of index fee_asset_item (hence referred to as fees), up to enough to pay for weight_limit of weight. If more weight is needed than weight_limit, then the operation will fail and the sent assets may be at risk.

assets (excluding fees) must have same reserve location or otherwise be teleportable to dest, no limitations imposed on fees.

  • for local reserve: transfer assets to sovereign account of destination chain and forward a notification XCM to dest to mint and deposit reserve-based assets to beneficiary.

  • for destination reserve: burn local assets and forward a notification to dest chain to withdraw the reserve assets from this chain’s sovereign account and deposit them to beneficiary.

  • for remote reserve: burn local assets, forward XCM to reserve chain to move reserves from this chain’s SA to dest chain’s SA, and forward another XCM to dest to mint and deposit reserve-based assets to beneficiary.

  • for teleports: burn local assets and forward XCM to dest chain to mint/teleport assets and deposit them to beneficiary.

  • origin: Must be capable of withdrawing the assets and executing XCM.

  • dest: Destination context for the assets. Will typically be X2(Parent, Parachain(..)) to send from parachain to parachain, or X1(Parachain(..)) to send from relay to parachain.

  • beneficiary: A beneficiary location for the assets in the context of dest. Will generally be an AccountId32 value.

  • assets: The assets to be withdrawn. This should include the assets used to pay the fee on the dest (and possibly reserve) chains.

  • fee_asset_item: The index into assets of the item which should be used to pay fees.

  • weight_limit: The remote-side weight limit, if any, for the XCM fee purchase.

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pub fn claim_assets( origin: OriginFor<T>, assets: Box<VersionedAssets>, beneficiary: Box<VersionedLocation>, ) -> DispatchResult

Claims assets trapped on this pallet because of leftover assets during XCM execution.

  • origin: Anyone can call this extrinsic.
  • assets: The exact assets that were trapped. Use the version to specify what version was the latest when they were trapped.
  • beneficiary: The location/account where the claimed assets will be deposited.
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pub fn transfer_assets_using_type_and_then( origin: OriginFor<T>, dest: Box<VersionedLocation>, assets: Box<VersionedAssets>, assets_transfer_type: Box<TransferType>, remote_fees_id: Box<VersionedAssetId>, fees_transfer_type: Box<TransferType>, custom_xcm_on_dest: Box<VersionedXcm<()>>, weight_limit: WeightLimit, ) -> DispatchResult

Transfer assets from the local chain to the destination chain using explicit transfer types for assets and fees.

assets must have same reserve location or may be teleportable to dest. Caller must provide the assets_transfer_type to be used for assets:

  • TransferType::LocalReserve: transfer assets to sovereign account of destination chain and forward a notification XCM to dest to mint and deposit reserve-based assets to beneficiary.
  • TransferType::DestinationReserve: burn local assets and forward a notification to dest chain to withdraw the reserve assets from this chain’s sovereign account and deposit them to beneficiary.
  • TransferType::RemoteReserve(reserve): burn local assets, forward XCM to reserve chain to move reserves from this chain’s SA to dest chain’s SA, and forward another XCM to dest to mint and deposit reserve-based assets to beneficiary. Typically the remote reserve is Asset Hub.
  • TransferType::Teleport: burn local assets and forward XCM to dest chain to mint/teleport assets and deposit them to beneficiary.

On the destination chain, as well as any intermediary hops, BuyExecution is used to buy execution using transferred assets identified by remote_fees_id. Make sure enough of the specified remote_fees_id asset is included in the given list of assets. remote_fees_id should be enough to pay for weight_limit. If more weight is needed than weight_limit, then the operation will fail and the sent assets may be at risk.

remote_fees_id may use different transfer type than rest of assets and can be specified through fees_transfer_type.

The caller needs to specify what should happen to the transferred assets once they reach the dest chain. This is done through the custom_xcm_on_dest parameter, which contains the instructions to execute on dest as a final step. This is usually as simple as: Xcm(vec![DepositAsset { assets: Wild(AllCounted(assets.len())), beneficiary }]), but could be something more exotic like sending the assets even further.

  • origin: Must be capable of withdrawing the assets and executing XCM.
  • dest: Destination context for the assets. Will typically be [Parent, Parachain(..)] to send from parachain to parachain, or [Parachain(..)] to send from relay to parachain, or (parents: 2, (GlobalConsensus(..), ..)) to send from parachain across a bridge to another ecosystem destination.
  • assets: The assets to be withdrawn. This should include the assets used to pay the fee on the dest (and possibly reserve) chains.
  • assets_transfer_type: The XCM TransferType used to transfer the assets.
  • remote_fees_id: One of the included assets to be used to pay fees.
  • fees_transfer_type: The XCM TransferType used to transfer the fees assets.
  • custom_xcm_on_dest: The XCM to be executed on dest chain as the last step of the transfer, which also determines what happens to the assets on the destination chain.
  • weight_limit: The remote-side weight limit, if any, for the XCM fee purchase.
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impl<T: Config> Pallet<T>

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pub fn query<KArg>(k: KArg) -> Option<QueryStatus<BlockNumberFor<T>>>
where KArg: EncodeLike<QueryId>,

An auto-generated getter for Queries.

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impl<T: Config> Pallet<T>

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pub fn asset_trap<KArg>(k: KArg) -> u32
where KArg: EncodeLike<H256>,

An auto-generated getter for AssetTraps.

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impl<T: Config> Pallet<T>

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pub fn request_version_notify(dest: impl Into<Location>) -> XcmResult

Request that dest informs us of its version.

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pub fn unrequest_version_notify(dest: impl Into<Location>) -> XcmResult

Request that dest ceases informing us of its version.

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pub fn send_xcm( interior: impl Into<Junctions>, dest: impl Into<Location>, message: Xcm<()>, ) -> Result<XcmHash, SendError>

Relay an XCM message from a given interior location in this context to a given dest location. The fee_payer is charged for the delivery unless None in which case fees are not charged (and instead borne by the chain).

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pub fn check_account() -> T::AccountId

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pub fn dry_run_call<Runtime, Router, OriginCaller, RuntimeCall>( origin: OriginCaller, call: RuntimeCall, ) -> Result<CallDryRunEffects<<Runtime as Config>::RuntimeEvent>, XcmDryRunApiError>
where Runtime: Config, Router: InspectMessageQueues, RuntimeCall: Dispatchable<PostInfo = PostDispatchInfo>, <RuntimeCall as Dispatchable>::RuntimeOrigin: From<OriginCaller>,

Dry-runs call with the given origin.

Returns not only the call result and events, but also the local XCM, if any, and any XCMs forwarded to other locations. Meant to be used in the xcm_runtime_apis::dry_run::DryRunApi runtime API.

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pub fn dry_run_xcm<Runtime, Router, RuntimeCall: Decode + GetDispatchInfo, XcmConfig>( origin_location: VersionedLocation, xcm: VersionedXcm<RuntimeCall>, ) -> Result<XcmDryRunEffects<<Runtime as Config>::RuntimeEvent>, XcmDryRunApiError>
where Runtime: Config, Router: InspectMessageQueues, XcmConfig: Config<RuntimeCall = RuntimeCall>,

Dry-runs xcm with the given origin_location.

Returns execution result, events, and any forwarded XCMs to other locations. Meant to be used in the xcm_runtime_apis::dry_run::DryRunApi runtime API.

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pub fn query_acceptable_payment_assets( version: Version, asset_ids: Vec<AssetId>, ) -> Result<Vec<VersionedAssetId>, XcmPaymentApiError>

Given a list of asset ids, returns the correct API response for XcmPaymentApi::query_acceptable_payment_assets.

The assets passed in have to be supported for fee payment.

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pub fn query_xcm_weight( message: VersionedXcm<()>, ) -> Result<Weight, XcmPaymentApiError>

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pub fn is_trusted_reserve( asset: VersionedAsset, location: VersionedLocation, ) -> Result<bool, TrustedQueryApiError>

Given an Asset and a Location, returns if the provided location is a trusted reserve for the given asset.

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pub fn is_trusted_teleporter( asset: VersionedAsset, location: VersionedLocation, ) -> Result<bool, TrustedQueryApiError>

Given an Asset and a Location, returns if the asset can be teleported to provided location.

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pub fn query_delivery_fees( destination: VersionedLocation, message: VersionedXcm<()>, ) -> Result<VersionedAssets, XcmPaymentApiError>

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pub fn report_outcome_notify( message: &mut Xcm<()>, responder: impl Into<Location>, notify: impl Into<<T as Config>::RuntimeCall>, timeout: BlockNumberFor<T>, ) -> Result<(), XcmError>

Consume message and return another which is equivalent to it except that it reports back the outcome and dispatches notify on this chain.

  • message: The message whose outcome should be reported.
  • responder: The origin from which a response should be expected.
  • notify: A dispatchable function which will be called once the outcome of message is known. It may be a dispatchable in any pallet of the local chain, but other than the usual origin, it must accept exactly two arguments: query_id: QueryId and outcome: Response, and in that order. It should expect that the origin is Origin::Response and will contain the responder’s location.
  • timeout: The block number after which it is permissible for notify not to be called even if a response is received.

report_outcome_notify may return an error if the responder is not invertible.

It is assumed that the querier of the response will be Here.

NOTE: notify gets called as part of handling an incoming message, so it should be lightweight. Its weight is estimated during this function and stored ready for weighing ReportOutcome on the way back. If it turns out to be heavier once it returns then reporting the outcome will fail. Futhermore if the estimate is too high, then it may be put in the overweight queue and need to be manually executed.

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pub fn new_notify_query( responder: impl Into<Location>, notify: impl Into<<T as Config>::RuntimeCall>, timeout: BlockNumberFor<T>, match_querier: impl Into<Location>, ) -> u64

Attempt to create a new query ID and register it as a query that is yet to respond, and which will call a dispatchable when a response happens.

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pub fn do_try_state() -> Result<(), TryRuntimeError>

Ensure the correctness of the state of this pallet.

This should be valid before and after each state transition of this pallet.

§Invariants

All entries stored in the SupportedVersion / VersionNotifiers / VersionNotifyTargets need to be migrated to the XCM_VERSION. If they are not, then CurrentMigration has to be set.

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

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type LockTicket = LockTicket<T>

Enact implementer for prepare_lock. This type may be dropped safely to avoid doing the lock.
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type UnlockTicket = UnlockTicket<T>

Enact implementer for prepare_unlock. This type may be dropped safely to avoid doing the unlock.
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type ReduceTicket = ReduceTicket<T>

Enact implementer for prepare_reduce_unlockable. This type may be dropped safely to avoid doing the unlock.
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fn prepare_lock( unlocker: Location, asset: Asset, owner: Location, ) -> Result<LockTicket<T>, LockError>

Prepare to lock an asset. On success, a Self::LockTicket it returned, which can be used to actually enact the lock. Read more
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fn prepare_unlock( unlocker: Location, asset: Asset, owner: Location, ) -> Result<UnlockTicket<T>, LockError>

Prepare to unlock an asset. On success, a Self::UnlockTicket it returned, which can be used to actually enact the lock. Read more
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fn note_unlockable( locker: Location, asset: Asset, owner: Location, ) -> Result<(), LockError>

Handler for when a location reports to us that an asset has been locked for us to unlock at a later stage. Read more
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fn prepare_reduce_unlockable( locker: Location, asset: Asset, owner: Location, ) -> Result<Self::ReduceTicket, LockError>

Handler for when an owner wishes to unlock an asset on a remote chain. Read more
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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: Config> Callable<T> for Pallet<T>

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

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fn is_suspended<Call>( _origin: &Location, _instructions: &mut [Instruction<Call>], _max_weight: Weight, _properties: &mut Properties, ) -> bool

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

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fn claim_assets( origin: &Location, ticket: &Location, assets: &Assets, _context: &XcmContext, ) -> bool

Claim any assets available to origin and return them in a single Assets value, together with the weight used by this operation.
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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> DropAssets for Pallet<T>

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fn drop_assets( origin: &Location, assets: AssetsInHolding, _context: &XcmContext, ) -> Weight

Handler for receiving dropped assets. Returns the weight consumed by this operation.
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impl<T: Config> ExecuteController<<T as Config>::RuntimeOrigin, <T as Config>::RuntimeCall> for Pallet<T>

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type WeightInfo = Pallet<T>

Weight information for ExecuteController functions.
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fn execute( origin: OriginFor<T>, message: Box<VersionedXcm<<T as Config>::RuntimeCall>>, max_weight: Weight, ) -> Result<Weight, DispatchErrorWithPostInfo>

Attempt to execute an XCM locally, returns Ok with the weight consumed if the execution complete successfully, Err otherwise. Read more
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impl<T: Config> ExecuteControllerWeightInfo for Pallet<T>

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fn execute() -> Weight

Weight for [ExecuteController::execute]
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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> GetVersion for Pallet<T>

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fn get_version_for(dest: &Location) -> Option<XcmVersion>

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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 on_initialize(_n: BlockNumberFor<T>) -> Weight

Block initialization hook. This is called at the very beginning of block execution. Read more
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fn try_state(_n: BlockNumberFor<T>) -> Result<(), TryRuntimeError>

Execute the sanity checks of this pallet, per block. 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_idle(_n: BlockNumber, _remaining_weight: 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_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 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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fn integrity_test()

Check the integrity of this pallet’s configuration. Read more
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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> OnResponse for Pallet<T>

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fn expecting_response( origin: &Location, query_id: QueryId, querier: Option<&Location>, ) -> bool

Returns true if we are expecting a response from origin for query query_id that was queried by querier.
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fn on_response( origin: &Location, query_id: QueryId, querier: Option<&Location>, response: Response, max_weight: Weight, _context: &XcmContext, ) -> Weight

Handler for receiving a response from origin relating to query_id initiated by querier.
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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> QueryController<<T as Config>::RuntimeOrigin, <<<T as Config>::Block as HeaderProvider>::HeaderT as Header>::Number> for Pallet<T>

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type WeightInfo = Pallet<T>

Weight information for QueryController functions.
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fn query( origin: OriginFor<T>, timeout: BlockNumberFor<T>, match_querier: VersionedLocation, ) -> Result<QueryId, DispatchError>

Query a remote location. Read more
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impl<T: Config> QueryControllerWeightInfo for Pallet<T>

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fn query() -> Weight

Weight for [QueryController::query]
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fn take_response() -> Weight

Weight for [QueryHandler::take_response]
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impl<T: Config> QueryHandler for Pallet<T>

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fn new_query( responder: impl Into<Location>, timeout: BlockNumberFor<T>, match_querier: impl Into<Location>, ) -> QueryId

Attempt to create a new query ID and register it as a query that is yet to respond.

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fn report_outcome( message: &mut Xcm<()>, responder: impl Into<Location>, timeout: Self::BlockNumber, ) -> Result<QueryId, Self::Error>

To check the status of the query, use fn query() passing the resultant QueryId value.

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fn take_response(query_id: QueryId) -> QueryResponseStatus<Self::BlockNumber>

Removes response when ready and emits Event::ResponseTaken event.

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type BlockNumber = <<<T as Config>::Block as HeaderProvider>::HeaderT as Header>::Number

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type Error = Error

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type UniversalLocation = <T as Config>::UniversalLocation

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fn expect_response(id: QueryId, response: Response)

Makes sure to expect a response with the given id.
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impl<T: Config> RecordXcm for Pallet<T>

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fn should_record() -> bool

Whether or not we should record incoming XCMs.
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fn set_record_xcm(enabled: bool)

Enable or disable recording.
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fn recorded_xcm() -> Option<Xcm<()>>

Get recorded XCM. Returns None if no message was sent, or if recording was off.
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fn record(xcm: Xcm<()>)

Record xcm.
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impl<T: Config> SendController<<T as Config>::RuntimeOrigin> for Pallet<T>

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type WeightInfo = Pallet<T>

Weight information for SendController functions.
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fn send( origin: OriginFor<T>, dest: Box<VersionedLocation>, message: Box<VersionedXcm<()>>, ) -> Result<XcmHash, DispatchError>

Send an XCM to be executed by a remote location. Read more
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impl<T: Config> SendControllerWeightInfo for Pallet<T>

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fn send() -> Weight

Weight for [SendController::send]
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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> VersionChangeNotifier for Pallet<T>

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fn start( dest: &Location, query_id: QueryId, max_weight: Weight, _context: &XcmContext, ) -> XcmResult

Start notifying location should the XCM version of this chain change.

When it does, this type should ensure a QueryResponse message is sent with the given query_id & max_weight and with a response of Response::Version. This should happen until/unless stop is called with the correct query_id.

If the location has an ongoing notification and when this function is called, then an error should be returned.

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fn stop(dest: &Location, _context: &XcmContext) -> XcmResult

Stop notifying location should the XCM change. This is a no-op if there was never a subscription.

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fn is_subscribed(dest: &Location) -> bool

Return true if a location is subscribed to XCM version changes.

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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> WrapVersion for Pallet<T>

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fn wrap_version<RuntimeCall: Decode + GetDispatchInfo>( dest: &Location, xcm: impl Into<VersionedXcm<RuntimeCall>>, ) -> Result<VersionedXcm<RuntimeCall>, ()>

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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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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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where Self: Into<T>,

Converts self into T using Into<T>. Read more
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fn __clone_box(&self, _: Private) -> *mut ()

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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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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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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

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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fn fmt_lower_exp(self) -> FmtLowerExp<Self>
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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where Self: Pointer,

Causes self to use its Pointer implementation when Debug-formatted.
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where Self: UpperExp,

Causes self to use its UpperExp implementation when Debug-formatted.
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where Self: UpperHex,

Causes self to use its UpperHex implementation when Debug-formatted.
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where &'a Self: for<'a> IntoIterator,

Formats each item in a sequence. Read more
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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided [Span], returning an Instrumented wrapper. Read more
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Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

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

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fn into_either(self, into_left: bool) -> Either<Self, Self>

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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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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Cast reference.
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Cast reference.
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Cast mutable reference.
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Cast mutable reference.
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Get a mutable reference to the inner from the outer.

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where 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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Mutably borrows self, then passes self.deref_mut() into the pipe function.
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const ALIGN: usize = _

The alignment of pointer.
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where Self: UniqueSaturatedFrom<T>,

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The inverse inclusion map: attempts to construct self from the equivalent element of its superset. Read more
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Checks if self is actually part of its subset T (and can be converted to it).
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Use with care! Same as self.to_subset but without any property checks. Always succeeds.
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Immutable access to a value. Read more
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where Self: DerefMut<Target = T> + Deref, T: ?Sized,

Calls .tap_deref_mut() only in debug builds, and is erased in release builds.
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where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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Uses borrowed data to replace owned data, usually by cloning. Read more
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where Self: TryInto<T>,

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Performs the conversion.
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Performs the conversion.
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