Crate sp_blockchain[−][src]
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 |