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

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

	Cancel(key key.Key)

	Empty() bool

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

	AddBlock(*blocks.Block)
	Exportable

	Loggable() map[string]interface{}
}

type Entry struct {
	wantlist.Entry
	Cancel bool
}

type Exportable interface {
	ToProto() *pb.Message
	ToNet(w io.Writer) error
}