Struct pallet_babe::pallet::Pallet

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>>

An auto-generated getter for Initialized.

impl<T: Config> Pallet<T>

pub fn author_vrf_randomness() -> Option<BabeRandomness>

An auto-generated getter for AuthorVrfRandomness.

impl<T: Config> Pallet<T>

pub fn lateness() -> BlockNumberFor<T>

An auto-generated getter for Lateness.

impl<T: Config> Pallet<T>

pub fn epoch_config() -> Option<BabeEpochConfiguration>

An auto-generated getter for EpochConfig.

impl<T: Config> Pallet<T>

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

An auto-generated getter for SkippedEpochs.

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: 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> 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

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 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(now: BlockNumberFor<T>) -> Weight

Initialization

fn on_finalize(_now: BlockNumberFor<T>)

Block finalization

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>

fn integrity_test()

See [Hooks::integrity_test].

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>)

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> 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 name_hash() -> [u8; 16]

Two128 hash of name.

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 ==.

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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.

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> TryDecodeEntireStorage for Pallet<T>

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> 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> 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,

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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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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 Self: Into<T>,

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

impl<Q, K> Equivalent<K> for Q
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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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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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where Self: Binary,

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

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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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Formats each item in a sequence. Read more

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Instruments this type with the provided [Span], returning an Instrumented wrapper. Read more

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impl<T> JsonSchemaMaybe for T

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

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

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

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