queryReferendums method
Implementation
Future<ReferendumData> queryReferendums(String address) async {
final Map res = await service.queryReferendums(address);
final ongoing = List<ReferendumGroup>.from(
res['ongoing'].map((e) => ReferendumGroup.fromJson(e)));
final userVotes = List<ReferendumVote>.from(
res['userVotes'].map((e) => ReferendumVote.fromJson(e)));
return ReferendumData(ongoing: ongoing, userVotes: userVotes);
}