getAtSignListFromKeychain method
Implementation
Future<List<String>?> getAtSignListFromKeychain() async {
var atsignMap = await _getAtSignMap();
if (atsignMap.isEmpty) {
return null;
}
var atsigns = atsignMap.keys.toList();
_logger.info('Retrieved atsigns $atsigns from Keychain');
return atsigns;
}