Module sc_consensus_aura::standalone

Standalone functions used within the implementation of Aura.

Enums

• PreDigestLookupError
  Errors in pre-digest lookup.
• SealVerificationError
  Errors in slot and seal verification.

Functions

• check_equivocation
  Checks if the header is an equivocation and returns the proof in that case.
• check_header_slot_and_seal
  Check a header has been signed by the right key. If the slot is too far in the future, an error will be returned. If it’s successful, returns the pre-header (i.e. without the seal), the slot, and the digest item containing the seal.
• claim_slot
  Attempt to claim a slot using a keystore.
• fetch_authorities
  Load the current set of authorities from a runtime at a specific block.
• fetch_authorities_with_compatibility_mode
  Fetch the current set of authorities from the runtime at a specific block.
• find_pre_digest
  Extract a pre-digest from a block header.
• pre_digest
  Produce the pre-runtime digest containing the slot info.
• seal
  Produce the seal digest item by signing the hash of a block.
• slot_author
  Get the slot author for given block along with authorities.
• slot_duration
  Get the slot duration for Aura by reading from a runtime API at the best block’s state.
• slot_duration_at
  Get the slot duration for Aura by reading from a runtime API at a given block’s state.