Struct snowbridge_pallet_system :: pallet :: Pallet Copy item path

impl<T: Config> Pallet<T>

pub fn upgrade( origin: OriginFor<T>, impl_address: H160, impl_code_hash: H256, initializer: Option<Initializer>, ) -> DispatchResult

Sends command to the Gateway contract to upgrade itself with a new implementation contract

Fee required: No

origin: Must be Root.
impl_address: The address of the implementation contract.
impl_code_hash: The codehash of the implementation contract.
initializer: Optionally call an initializer on the implementation contract.

pub fn set_operating_mode( origin: OriginFor<T>, mode: OperatingMode, ) -> DispatchResult

Sends a message to the Gateway contract to change its operating mode

Fee required: No

origin: Must be Location

pub fn set_pricing_parameters( origin: OriginFor<T>, params: PricingParametersOf<T>, ) -> DispatchResult

Set pricing parameters on both sides of the bridge

Fee required: No

origin: Must be root

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

Sends a command to the Gateway contract to instantiate a new agent contract representing origin.

Fee required: Yes

origin: Must be Location of a sibling parachain

pub fn create_channel( origin: OriginFor<T>, mode: OperatingMode, ) -> DispatchResult

Sends a message to the Gateway contract to create a new channel representing origin

Fee required: Yes

This extrinsic is permissionless, so a fee is charged to prevent spamming and pay for execution costs on the remote side.

The message is sent over the bridge on BridgeHub’s own channel to the Gateway.

origin: Must be Location
mode: Initial operating mode of the channel

pub fn update_channel( origin: OriginFor<T>, mode: OperatingMode, ) -> DispatchResult

Sends a message to the Gateway contract to update a channel configuration

The origin must already have a channel initialized, as this message is sent over it.

A partial fee will be charged for local processing only.

origin: Must be Location
mode: Initial operating mode of the channel

pub fn force_update_channel( origin: OriginFor<T>, channel_id: ChannelId, mode: OperatingMode, ) -> DispatchResult

Sends a message to the Gateway contract to update an arbitrary channel

Fee required: No

origin: Must be root
channel_id: ID of channel
mode: Initial operating mode of the channel
outbound_fee: Fee charged to users for sending outbound messages to Polkadot

pub fn transfer_native_from_agent( origin: OriginFor<T>, recipient: H160, amount: u128, ) -> DispatchResult

Sends a message to the Gateway contract to transfer ether from an agent to recipient.

A partial fee will be charged for local processing only.

origin: Must be Location

pub fn force_transfer_native_from_agent( origin: OriginFor<T>, location: Box<VersionedLocation>, recipient: H160, amount: u128, ) -> DispatchResult

Sends a message to the Gateway contract to transfer ether from an agent to recipient.

Privileged. Can only be called by root.

Fee required: No

origin: Must be root
location: Location used to resolve the agent
recipient: Recipient of funds
amount: Amount to transfer

pub fn set_token_transfer_fees( origin: OriginFor<T>, create_asset_xcm: u128, transfer_asset_xcm: u128, register_token: U256, ) -> DispatchResult

Sends a message to the Gateway contract to update fee related parameters for token transfers.

Privileged. Can only be called by root.

Fee required: No

origin: Must be root
create_asset_xcm: The XCM execution cost for creating a new asset class on AssetHub, in DOT
transfer_asset_xcm: The XCM execution cost for performing a reserve transfer on AssetHub, in DOT
register_token: The Ether fee for registering a new token, to discourage spamming

pub fn register_token( origin: OriginFor<T>, location: Box<VersionedLocation>, metadata: AssetMetadata, ) -> DispatchResultWithPostInfo

Registers a Polkadot-native token as a wrapped ERC20 token on Ethereum. Privileged. Can only be called by root.

Fee required: No

origin: Must be root
location: Location of the asset (relative to this chain)
metadata: Metadata to include in the instantiated ERC20 contract on Ethereum

impl<T: Config> Pallet<T>

pub fn do_transfer_native_from_agent( agent_id: H256, channel_id: ChannelId, recipient: H160, amount: u128, pays_fee: PaysFee<T>, ) -> DispatchResult

Issue a Command::TransferNativeFromAgent command. The command will be sent on the channel channel_id

pub fn initialize( para_id: ParaId, asset_hub_para_id: ParaId, ) -> Result<(), DispatchError>

Initializes agents and channels.

impl<T: Config> Pallet<T>

pub fn agents<KArg>(k: KArg) -> Option<()>
where KArg: EncodeLike<AgentId>,

An auto-generated getter for Agents.

impl<T: Config> Pallet<T>

pub fn channels<KArg>(k: KArg) -> Option<Channel>
where KArg: EncodeLike<ChannelId>,

An auto-generated getter for Channels.

impl<T: Config> Pallet<T>

pub fn parameters() -> PricingParametersOf<T>

An auto-generated getter for PricingParameters.

Trait Implementations§

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

fn before_all_runtime_migrations() -> Weight

Something that should happen before runtime migrations are executed.

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

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.

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

impl<T> Clone for Pallet<T>

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: Config> Contains<ChannelId> for Pallet<T>

fn contains(channel_id: &ChannelId) -> bool

Return true if this “contains” the given value t.

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> Get<PricingParameters<<<T as Config>::Token as Inspect<<T as Config>::AccountId>>::Balance>> for Pallet<T>

fn get() -> PricingParametersOf<T>

Return the current value.

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

type InCodeStorageVersion = NoStorageVersionSet

This type is generated by the pallet macro. Read more

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.

fn on_chain_storage_version() -> StorageVersion

Returns the storage version of the pallet as last set in the actual on-chain storage.

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

fn on_initialize(_n: BlockNumber) -> Weight

Block initialization hook. This is called at the very beginning of block execution. Read more

fn on_finalize(_n: BlockNumber)

Block finalization hook. This is called at the very end of block execution. Read more

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

fn on_poll(_n: BlockNumber, _weight: &mut WeightMeter)

A hook to run logic after inherent application. Read more

fn on_runtime_upgrade() -> Weight

Hook executed when a code change (aka. a “runtime upgrade”) is detected by the FRAME Executive pallet. Read more

fn try_state(_n: BlockNumber) -> Result<(), DispatchError>

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

fn pre_upgrade() -> Result<Vec<u8>, DispatchError>

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

fn post_upgrade(_state: Vec<u8>) -> Result<(), DispatchError>

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

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

fn integrity_test()

Check the integrity of this pallet’s configuration. Read more

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

impl<T: Config> MaybeEquivalence<H256, Location> for Pallet<T>

fn convert(foreign_id: &TokenId) -> Option<Location>

Attempt to convert reference of A into value of B, returning None if not possible.

fn convert_back(location: &Location) -> Option<TokenId>

Attempt to convert reference of B into value of A, returning None if not possible.

fn offchain_worker(n: BlockNumberFor<T>)

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

fn on_finalize(n: BlockNumberFor<T>)

See [Hooks::on_finalize].

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

fn on_genesis()

Something that should happen at genesis.

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

See [Hooks::on_idle].

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

See [Hooks::on_initialize].

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

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

fn on_runtime_upgrade() -> Weight

See [Hooks::on_runtime_upgrade].

fn pre_upgrade() -> Result<Vec<u8>, TryRuntimeError>

See [Hooks::pre_upgrade].

fn post_upgrade(state: Vec<u8>) -> Result<(), TryRuntimeError>

See [Hooks::post_upgrade].

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

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 for Pallet<T>

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

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

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.

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

type Source = ChannelId

Type to lookup from.

type Target = Channel

Type to lookup into.

fn lookup(channel_id: Self::Source) -> Option<Self::Target>

Attempt a lookup.

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

Decode the entire data under the given storage, returning Ok(bytes_decoded) if success.

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

Execute the state checks.

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

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.

impl<T> Eq for Pallet<T>

Auto Trait Implementations§

impl<T> Freeze for Pallet<T>

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 T
where T: 'static + ?Sized,

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T
where T: ?Sized,

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T
where T: ?Sized,

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

Mutably borrows from an owned value. Read more

impl<T> CheckedConversion for T

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

fn checked_into<T>(self) -> Option<T>
where Self: TryInto<T>,

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

impl<T> CloneToUninit for T
where T: Clone,

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

impl<T> Conv for T

fn conv<T>(self) -> T
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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Checks if this value is equivalent to the given key. Read more

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

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

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

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

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

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

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

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

Checks if this value is equivalent to the given key. Read more

impl<T, C> Filter<T> for C
where C: Contains<T>,

fn filter(t: &T) -> bool

👎Deprecated: Use Contains instead

impl<T> FmtForward for T

fn fmt_binary(self) -> FmtBinary<Self>
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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Causes self to use its LowerExp implementation when Debug-formatted.

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

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

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Causes self to use its Pointer implementation when Debug-formatted.

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

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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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Returns the argument unchanged.

impl<T> Instrument for T

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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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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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const ALIGN: usize = _

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type Init = T

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

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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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Calls .tap() only in debug builds, and is erased in release builds.

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Calls .tap_mut() only in debug builds, and is erased in release builds.

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where Self: BorrowMut, B: ?Sized,

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where Self: AsRef<R>, R: ?Sized,

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fn try_conv<T>(self) -> Result<T, Self::Error>
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where U: Into<T>,

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Performs the conversion.

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type Error = >::Error

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The counterpart to unchecked_from.

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Consume self to return an equivalent value of T.

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where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a [WithDispatch] wrapper. Read more

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