Package mock_protocol is a generated GoMock package.

Feed the request rate tracker, recomputing the rate, and returning an error if the rate limit is exceeded.

QuaiProtocolHandler handles all the incoming requests and responds with corresponding data.

Block height before which the prior major release will be tolerated For example, if the current protocol version is `quai/9.1.2`, and `ProtocolGraceHeight` is 10000000, then peers running any `quai/9.X.X` protocol version will still be tolerated.

ProtocolVersion is the current version of the Quai protocol.

interface required to join the quai protocol network.