Struct pallet_grandpa :: pallet :: Pallet Copy item path

impl<T: Config> Pallet<T>

Methods for the ValidateUnsigned implementation: It restricts calls to report_equivocation_unsigned to local calls (i.e. extrinsics generated on this node) or that already in a block. This guarantees that only block authors can include unsigned equivocation reports.

pub fn validate_unsigned( source: TransactionSource, call: &Call<T>, ) -> TransactionValidity

pub fn pre_dispatch(call: &Call<T>) -> Result<(), TransactionValidityError>

impl<T: Config> Pallet<T>

pub fn report_equivocation( origin: OriginFor<T>, equivocation_proof: Box<EquivocationProof<T::Hash, BlockNumberFor<T>>>, key_owner_proof: T::KeyOwnerProof, ) -> DispatchResultWithPostInfo

Report voter equivocation/misbehavior. This method will verify the equivocation proof and validate the given key ownership proof against the extracted offender. If both are valid, the offence will be reported.

pub fn report_equivocation_unsigned( origin: OriginFor<T>, equivocation_proof: Box<EquivocationProof<T::Hash, BlockNumberFor<T>>>, key_owner_proof: T::KeyOwnerProof, ) -> DispatchResultWithPostInfo

Report voter equivocation/misbehavior. This method will verify the equivocation proof and validate the given key ownership proof against the extracted offender. If both are valid, the offence will be reported.

This extrinsic must be called unsigned and it is expected that only block authors will call it (validated in ValidateUnsigned), as such if the block author is defined it will be defined as the equivocation reporter.

pub fn note_stalled( origin: OriginFor<T>, delay: BlockNumberFor<T>, best_finalized_block_number: BlockNumberFor<T>, ) -> DispatchResult

Note that the current authority set of the GRANDPA finality gadget has stalled.

This will trigger a forced authority set change at the beginning of the next session, to be enacted delay blocks after that. The delay should be high enough to safely assume that the block signalling the forced change will not be re-orged e.g. 1000 blocks. The block production rate (which may be slowed down because of finality lagging) should be taken into account when choosing the delay. The GRANDPA voters based on the new authority will start voting on top of best_finalized_block_number for new finalized blocks. best_finalized_block_number should be the highest of the latest finalized block of all validators of the new authority set.

Only callable by root.

impl<T: Config> Pallet<T>

pub fn state() -> StoredState<BlockNumberFor<T>>

“ State of the current authority set.“

impl<T: Config> Pallet<T>

pub fn pending_change() -> Option<StoredPendingChange<BlockNumberFor<T>, T::MaxAuthorities>>

“ Pending change: (signaled at, scheduled change).“

impl<T: Config> Pallet<T>

pub fn next_forced() -> Option<BlockNumberFor<T>>

“ next block number where we can force a change.“

impl<T: Config> Pallet<T>

pub fn stalled() -> Option<(BlockNumberFor<T>, BlockNumberFor<T>)>

“ true if we are currently stalled.“

impl<T: Config> Pallet<T>

pub fn current_set_id() -> SetId

“ The number of changes (both in terms of keys and underlying economic responsibilities)“ “ in the "set" of Grandpa validators from genesis.“

impl<T: Config> Pallet<T>

pub fn session_for_set<KArg>(k: KArg) -> Option<SessionIndex>
where KArg: EncodeLike<SetId>,

“ A mapping from grandpa set ID to the index of the most recent session for which its“ “ members were responsible.“ “” “ This is only used for validating equivocation proofs. An equivocation proof must“ “ contains a key-ownership proof for a given session, therefore we need a way to tie“ “ together sessions and GRANDPA set ids, i.e. we need to validate that a validator“ “ was the owner of a given key on a given session, and what the active set ID was“ “ during that session.“ “” “ TWOX-NOTE: SetId is not under user control.“

impl<T: Config> Pallet<T>

pub fn grandpa_authorities() -> AuthorityList

Get the current set of authorities, along with their respective weights.

pub fn schedule_pause(in_blocks: BlockNumberFor<T>) -> DispatchResult

Schedule GRANDPA to pause starting in the given number of blocks. Cannot be done when already paused.

pub fn schedule_resume(in_blocks: BlockNumberFor<T>) -> DispatchResult

Schedule a resume of GRANDPA after pausing.

pub fn schedule_change( next_authorities: AuthorityList, in_blocks: BlockNumberFor<T>, forced: Option<BlockNumberFor<T>>, ) -> DispatchResult

Schedule a change in the authorities.

The change will be applied at the end of execution of the block in_blocks after the current block. This value may be 0, in which case the change is applied at the end of the current block.

If the forced parameter is defined, this indicates that the current set has been synchronously determined to be offline and that after in_blocks the given change should be applied. The given block number indicates the median last finalized block number and it should be used as the canon block when starting the new grandpa voter.

No change should be signaled while any change is pending. Returns an error if a change is already pending.

pub fn genesis_session(authorities: AuthorityList)

This function is added later to be used in place of overly specific trait implementation of OneSessionHandler::on_genesis_session.

pub fn new_session( changed: bool, session_index: u32, next_authorities: AuthorityList, )

This function is added later to be used in place of overly specific trait implementation of OneSessionHandler::on_new_session.

pub fn submit_unsigned_equivocation_report( equivocation_proof: EquivocationProof<T::Hash, BlockNumberFor<T>>, key_owner_proof: T::KeyOwnerProof, ) -> Option<()>

Submits an extrinsic to report an equivocation. This method will create an unsigned extrinsic with a call to report_equivocation_unsigned and will push the transaction to the pool. Only useful in an offchain context.

Trait Implementations§

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> BoundToRuntimeAppPublic for Pallet<T>

type Public = Public

The RuntimeAppPublic this type is bound to.

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

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>

type CurrentStorageVersion = StorageVersion

This will be filled out by the pallet macro. Read more

fn current_storage_version() -> Self::CurrentStorageVersion

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.

fn on_finalize(block_number: BlockNumberFor<T>)

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). 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<(), 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 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

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>)

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.

fn on_idle(n: BlockNumberFor<T>, 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

fn on_initialize(n: BlockNumberFor<T>) -> 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 try_on_runtime_upgrade(checks: bool) -> Result<Weight, DispatchError>

Same as on_runtime_upgrade, but perform the optional pre_upgrade and post_upgrade as well.

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

impl<T> OneSessionHandler<<T as Config>::AccountId> for Pallet<T>
where T: Config + Config,

type Key = Public

The key type expected.

fn on_genesis_session<'a, I>(validators: I)
where I: Iterator<Item = (&'a T::AccountId, AuthorityId)> + 'a,

The given validator set will be used for the genesis session. It is guaranteed that the given validator set will also be used for the second session, therefore the first call to on_new_session should provide the same validator set.

fn on_new_session<'a, I>(changed: bool, validators: I, _queued_validators: I)
where I: Iterator<Item = (&'a T::AccountId, AuthorityId)> + 'a,

Session set has changed; act appropriately. Note that this can be called before initialization of your module. Read more

fn on_disabled(i: u32)

A validator got disabled. Act accordingly until a new session begins.

fn on_before_session_ending()

A notification for end of the session. 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> StorageInfoTrait for Pallet<T>

fn storage_info() -> Vec<StorageInfo>

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

type Call = Call<T>

The call to validate

fn validate_unsigned( source: TransactionSource, call: &Self::Call, ) -> TransactionValidity

Return the validity of the call Read more

fn pre_dispatch(call: &Self::Call) -> Result<(), TransactionValidityError>

Validate the call right before dispatch. Read more

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

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where T: ?Sized,

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Immutably borrows from an owned value. Read more

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Mutably borrows from an owned value. Read more

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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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where Self: TryInto<T>,

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

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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

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

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

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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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Causes self to use its Binary 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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Formats each item in a sequence. Read more

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