Module polkadot_node_subsystem_util::backing_implicit_view

A utility for managing the implicit view of the relay-chain derived from active leaves and the minimum allowed relay-parents that parachain candidates can have and be backed in those leaves’ children.

Structs

• BlockInfoProspectiveParachains
  Information about a relay-chain block, to be used when calling this module from prospective parachains.
• View
  Handles the implicit view of the relay chain derived from the immediate view, which is composed of active leaves, and the minimum relay-parents allowed for candidates of various parachains at those leaves.

Enums

• BlockHeaderUnavailableReason
  Reasons a block header might have been unavailable.
• FetchError
  Errors when fetching a leaf and associated ancestry.