Crate sp_blockchain

Substrate blockchain traits and primitives.

Modules

• well_known_cache_keys
  A list of all well known keys in the blockchain cache.

Structs

• CachedHeaderMetadata
  Cached header metadata. Used to efficiently traverse the tree.
• HashAndNumber
  Hash and number of a block.
• HeaderMetadataCache
  Caches header metadata in an in-memory LRU cache.
• Info
  Blockchain info
• TreeRoute
  A tree-route from one block to another in the chain.

Enums

• ApplyExtrinsicFailed
  Error when the runtime failed to apply an extrinsic.
• BlockStatus
  Block status.
• Error
  Substrate Client error

Traits

• Backend
  Blockchain database backend. Does not perform any validation.
• ForkBackend
  Handles stale forks.
• HeaderBackend
  Blockchain database header backend. Does not perform any validation.
• HeaderMetadata
  Handles header metadata: hash, number, parent hash, etc.

Functions

• lowest_common_ancestor
  Get lowest common ancestor between two blocks in the tree.
• tree_route
  Compute a tree-route between two blocks. See tree-route docs for more details.

Type Definitions

• Result
  Client Result type alias