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SchedulingSignals

cumulus_primitives_core::scheduling

Struct SchedulingSignals 

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pub struct SchedulingSignals { /* private fields */ }
Expand description

The scheduling-signal tail (SelectCore/ApprovedPeer) a candidate emits after the first UMP_SEPARATOR.

Single source of truth shared by the collator and the PVF (validate_block) so their tails can’t drift. The relay decoder (CandidateCommitments::ump_signals) rejects a repeated variant or any third signal, and parses only the run after the first UMP_SEPARATOR.

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impl SchedulingSignals

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pub fn from_block_signals(raw: &[Vec<u8>]) -> Self

Parse the encoded UMPSignals a PoV’s blocks emitted after the in-block UMP_SEPARATOR.

Panics on a repeated variant even when the values match: the relay decoder counts occurrences, not distinct values, so a duplicate is a bug regardless.

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pub fn from_scheduling_info(signed_info: &SignedSchedulingInfo) -> Self

Build the tail from a verified SignedSchedulingInfo, replacing the block’s own signals wholesale. Assumes every UMPSignal is a scheduling signal; guarded by all_ump_signals_are_scheduling_signals.

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pub fn into_ump_messages(self) -> Vec<Vec<u8>>

The encoded UMP messages for this tail: empty when there are no signals, otherwise [UMP_SEPARATOR, SelectCore?, ApprovedPeer?]. Order is SelectCore then ApprovedPeer, matching pallet_parachain_system::send_ump_signals. Nothing — not even the separator — is emitted when empty, since the relay decoder keys off the first UMP_SEPARATOR.

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impl Debug for SchedulingSignals

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Default for SchedulingSignals

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fn default() -> SchedulingSignals

Returns the “default value” for a type. Read more
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impl PartialEq for SchedulingSignals

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

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Eq for SchedulingSignals

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impl StructuralPartialEq for SchedulingSignals

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