Module sp_runtime::generic

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  • Abstraction over a substrate block.
  • Definition of something that the external world might want to say; its existence implies that it has been checked and is good, particularly with regards to the signature.
  • Generic header digest.
  • Abstraction over a block header for a substrate chain.
  • Abstraction over a substrate block and justification.
  • A payload that has been signed for an unchecked extrinsics.
  • An extrinsic right from the external world. This is unchecked and so can contain a signature.


  • Something to identify a block.
  • Digest item that is able to encode/decode ‘system’ digest items and provide opaque access to other items.
  • A ‘referencing view’ for digest item. Does not own its contents. Used by final runtime implementations for encoding/decoding its log items.
  • An era to describe the longevity of a transaction.
  • Type of a digest item that contains raw data; this also names the consensus engine ID where applicable. Used to identify one or more digest items of interest.

Type Aliases§