ChainHeadApi<P extends Provider> class

ChainHead API for the new Substrate JSON-RPC specification.

The chainHead API uses a follow/unfollow session model. Calling follow creates a ChainHeadSession that wraps the subscription and provides typed methods for querying block data.

Reference: https://paritytech.github.io/json-rpc-interface-spec/api/chainHead.html

Constructors

ChainHeadApi(P _provider)

const

Properties

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

follow({bool withRuntime = false}) → Future<ChainHeadSession<P>>

Start following the chain head.

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited