[][src]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.

Cache

Blockchain optional data cache.

HeaderBackend

Blockchain database header backend. Does not perform any validation.

HeaderMetadata

Handles header metadata: hash, number, parent hash, etc.

ProvideCache

Provides access to the optional cache.

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