message SpvSyncResponse {
	enum SyncNotificationType {
		FETCH_HEADERS = 0;
		DISCOVER_ADDRESSES = 1;
		RESCAN = 2;
		SYNCED = 3;
		PEER_INFORMATION = 4;
	}
	SyncNotificationType notification_type = 1;

	message FetchHeaders {
		int32 peer_initial_height = 1;
		int32 last_header_height = 2;
		int64 last_header_time = 3;
		int32 fetched_cfilters_count = 4;
	}
	FetchHeaders fetch_headers = 2;
	bool discovered_addresses = 3;
	int32 rescanned_through = 4;
	int32 peer_count = 5;
	bool synced = 6;
}