message

type Message struct {
	// Cid identifies the advertisement being announced.
	Cid cid.Cid
	// Addrs contains a set of multiaddrs that specify where the announced
	// advertisement is available. See SetAddrs and GetAddrs.
	Addrs [][]byte
	// ExtraData is optional data indended for a certain recipients. For
	// example, a publisher may include its storage provider ID for validation
	// by a gateway.
	ExtraData []byte
	// The OrigPeer field may or may not be present in the serialized data, and
	// the CBOR serializer/deserializer is able to detect that. Only messages
	// that are re-published by an indexer, for consumption by othen indexers,
	// contain this field.
	OrigPeer string
}