message

type BitSwapMessage interface {
	// Wantlist returns a slice of unique keys that represent data wanted by
	// the sender.
	Wantlist() []Entry

	// Blocks returns a slice of unique blocks.
	Blocks() []blocks.Block

	// Ticks returns a slice of tickets.
	Tickets() []tickets.Ticket //TODO: add definitions - Jerry

	TicketAcks() []tickets.TicketAck

	// AddEntry adds an entry to the Wantlist.
	AddEntry(key cid.Cid, priority int)

	Cancel(key cid.Cid)

	Empty() bool

	// A full wantlist is an authoritative copy, a 'non-full' wantlist is a patch-set
	Full() bool

	AddBlock(blocks.Block)

	AddTicket(tickets.Ticket)
	AddTickets([]tickets.Ticket)

	AddTicketAck(tickets.TicketAck)
	AddTicketAcks([]tickets.TicketAck)
	Exportable

	Loggable() map[string]interface{}
}

type Entry struct {
	wantlist.Entry
	Cancel bool
}

type Exportable interface {
	ToProtoV0() *pb.Message
	ToProtoV1() *pb.Message
	ToNetV0(w io.Writer) error
	ToNetV1(w io.Writer) error
}