Struct pallet_babe :: 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<HeaderFor<T>>>, key_owner_proof: T::KeyOwnerProof, ) -> DispatchResultWithPostInfo

Report authority 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<HeaderFor<T>>>, key_owner_proof: T::KeyOwnerProof, ) -> DispatchResultWithPostInfo

Report authority 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 plan_config_change( origin: OriginFor<T>, config: NextConfigDescriptor, ) -> DispatchResult

Plan an epoch config change. The epoch config change is recorded and will be enacted on the next call to enact_epoch_change. The config will be activated one epoch after. Multiple calls to this method will replace any existing planned config change that had not been enacted yet.

impl<T: Config> Pallet<T>

pub fn epoch_index() -> u64

An auto-generated getter for EpochIndex.

impl<T: Config> Pallet<T>

pub fn authorities() -> WeakBoundedVec<(AuthorityId, BabeAuthorityWeight), T::MaxAuthorities>

An auto-generated getter for Authorities.

impl<T: Config> Pallet<T>

pub fn genesis_slot() -> Slot

An auto-generated getter for GenesisSlot.

impl<T: Config> Pallet<T>

pub fn current_slot() -> Slot

An auto-generated getter for CurrentSlot.

impl<T: Config> Pallet<T>

pub fn randomness() -> BabeRandomness

An auto-generated getter for Randomness.

impl<T: Config> Pallet<T>

pub fn initialized() -> Option<Option<PreDigest>>

“ Temporary value (cleared at block finalization) which is Some“ “ if per-block initialization has already been called for current block.“

impl<T: Config> Pallet<T>

pub fn author_vrf_randomness() -> Option<BabeRandomness>

“ This field should always be populated during block processing unless“ “ secondary plain slots are enabled (which don't contain a VRF output).“ “” “ It is set in on_finalize, before it will contain the value from the last block.“

impl<T: Config> Pallet<T>

pub fn lateness() -> BlockNumberFor<T>

“ How late the current block is compared to its parent.“ “” “ This entry is populated as part of block execution and is cleaned up“ “ on block finalization. Querying this storage entry outside of block“ “ execution context should always yield zero.“

impl<T: Config> Pallet<T>

pub fn epoch_config() -> Option<BabeEpochConfiguration>

“ The configuration for the current epoch. Should never be None as it is initialized in“ “ genesis.“

impl<T: Config> Pallet<T>

pub fn skipped_epochs() -> BoundedVec<(u64, SessionIndex), ConstU32<100>>

“ A list of the last 100 skipped epochs and the corresponding session index“ “ when the epoch was skipped.“ “” “ 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 epoch indices, i.e. we need to validate that“ “ a validator was the owner of a given key on a given session, and what the“ “ active epoch index was during that session.“

impl<T: Config> Pallet<T>

pub fn slot_duration() -> T::Moment

Determine the BABE slot duration based on the Timestamp module configuration.

pub fn should_epoch_change(now: BlockNumberFor<T>) -> bool

Determine whether an epoch change should take place at this block. Assumes that initialization has already taken place.

pub fn next_expected_epoch_change( now: BlockNumberFor<T>, ) -> Option<BlockNumberFor<T>>

Return the best guess block number, at which the next epoch change is predicted to happen.

Returns None if the prediction is in the past; This implies an error internally in the Babe and should not happen under normal circumstances.

In other word, this is only accurate if no slots are missed. Given missed slots, the slot number will grow while the block number will not. Hence, the result can be interpreted as an upper bound.

pub fn enact_epoch_change( authorities: WeakBoundedVec<(AuthorityId, BabeAuthorityWeight), T::MaxAuthorities>, next_authorities: WeakBoundedVec<(AuthorityId, BabeAuthorityWeight), T::MaxAuthorities>, session_index: Option<SessionIndex>, )

DANGEROUS: Enact an epoch change. Should be done on every block where should_epoch_change has returned true, and the caller is the only caller of this function.

Typically, this is not handled directly by the user, but by higher-level validator-set manager logic like pallet-session.

This doesn’t do anything if authorities is empty.

pub fn current_epoch_start() -> Slot

Finds the start slot of the current epoch.

Only guaranteed to give correct results after initialize of the first block in the chain (as its result is based off of GenesisSlot).

pub fn current_epoch() -> Epoch

Produces information about the current epoch.

pub fn next_epoch() -> Epoch

Produces information about the next epoch (which was already previously announced).

pub fn submit_unsigned_equivocation_report( equivocation_proof: EquivocationProof<HeaderFor<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

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

fn average_session_length() -> BlockNumberFor<T>

Return the average length of a session. Read more

fn estimate_current_session_progress( _now: BlockNumberFor<T>, ) -> (Option<Permill>, Weight)

Return an estimate of the current session progress. Read more

fn estimate_next_session_rotation( now: BlockNumberFor<T>, ) -> (Option<BlockNumberFor<T>>, Weight)

Return the block number at which the next session rotation is estimated to happen. Read more

impl<T: Config> FindAuthor<u32> for Pallet<T>

fn find_author<'a, I>(digests: I) -> Option<u32>
where I: 'a + IntoIterator<Item = (ConsensusEngineId, &'a [u8])>,

Find the author of a block based on the pre-runtime digests.

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

type CurrentStorageVersion = NoStorageVersionSet

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_initialize(now: BlockNumberFor<T>) -> Weight

Initialization

fn on_finalize(_now: BlockNumberFor<T>)

Block finalization

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_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

impl<T: Config> IsMember<Public> for Pallet<T>

fn is_member(authority_id: &AuthorityId) -> bool

Is the given MemberId a valid member?

fn lateness(&self) -> BlockNumberFor<T>

Returns a generic measure of how late the current block is compared to its parent.

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: Config> OnTimestampSet<<T as Config>::Moment> for Pallet<T>

fn on_timestamp_set(moment: T::Moment)

Called when the timestamp is set.

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.

fn should_end_session(now: BlockNumberFor<T>) -> bool

Return true if the session should be ended.

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,

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

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Gets the TypeId of self. Read more

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

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

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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more

impl<T> JsonSchemaMaybe for T

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

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

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