Enum polkadot_primitives::v8::node_features::FeatureIndex

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#[repr(u8)]
pub enum FeatureIndex {
    EnableAssignmentsV2 = 0,
    ElasticScalingMVP = 1,
    AvailabilityChunkMapping = 2,
    CandidateReceiptV2 = 3,
    FirstUnassigned = 4,
}
Expand description

A feature index used to identify a bit into the node_features array stored in the HostConfiguration.

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EnableAssignmentsV2 = 0

Tells if tranch0 assignments could be sent in a single certificate. Reserved for: <https://github.com/paritytech/polkadot-sdk/issues/628>

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ElasticScalingMVP = 1

This feature enables the extension of BackedCandidate::validator_indices by 8 bits. The value stored there represents the assumed core index where the candidates are backed. This is needed for the elastic scaling MVP.

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AvailabilityChunkMapping = 2

Tells if the chunk mapping feature is enabled. Enables the implementation of RFC-47. Must not be enabled unless all validators and collators have stopped using req_chunk protocol version 1. If it is enabled, validators can start systematic chunk recovery.

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CandidateReceiptV2 = 3

Enables node side support of CoreIndex committed candidate receipts. See RFC-103 for details. Only enable if at least 2/3 of nodes support the feature.

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FirstUnassigned = 4

First unassigned feature bit. Every time a new feature flag is assigned it should take this value. and this should be incremented.

Trait Implementations§

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impl Clone for FeatureIndex

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fn clone(&self) -> FeatureIndex

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
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impl Copy for FeatureIndex

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