Iterator over the entities of the chain.
Iterator over entity mutations of a chain store.
Manages and index entities and their traits stored in the chain and pending
store of the chain layer. The index accepts mutations from the chain layer
through its event stream, and manages both indices to be consistent.
Configuration of the entities index
Locally persisted entities store allowing mutation and queries on entities
and their traits.
Configuration for Store.
Handle to the store, allowing communication to the store asynchronously