streams

type Stream interface {
	// ID returns the id of the stream
	ID() string

	io.Closer
	// CloseWrite closes the stream for writing but leaves it open for
	// reading. It does not free the stream, a call Close or
	// Reset is required.
	CloseWrite() error

	// ReadWithTimeout will read bytes from stream and return the result, will return error if timeout or error.
	// does not close stream when returns
	ReadWithTimeout(timeout time.Duration) ([]byte, error)

	// WriteWithTimeout will write bytes to stream, will return error if timeout or error.
	// does not close stream when returns
	WriteWithTimeout(data []byte, timeout time.Duration) error
}

type StreamController interface {
	// Request sends a message to the given stream and returns the response
	Request(logger *zap.Logger, peerID peer.ID, protocol protocol.ID, msg []byte) ([]byte, error)
	// HandleStream is called at the beginning of stream handlers to create a wrapper stream and read first message
	HandleStream(logger *zap.Logger, stream core.Stream) ([]byte, StreamResponder, func(), error)
}

type StreamResponder func([]byte) error