toJson method
Convert the DelegateResourceContract object to a JSON representation.
Implementation
@override
Map<String, dynamic> toJson() {
return {
'owner_address': ownerAddress.toString(),
'receiver_address': receiverAddress.toString(),
'lock': lock,
'lock_period': lockPeriod?.toString(),
'balance': balance.toString(),
'resource': resource?.name
}..removeWhere((key, value) => value == null);
}