import 'package:json_annotation/json_annotation.dart'; part 'asset.g.dart'; @JsonSerializable() class WalletAssetDTO { final String chain; final String tokenSymbol; final String contractAddress; const WalletAssetDTO({ required this.chain, required this.tokenSymbol, required this.contractAddress, }); factory WalletAssetDTO.fromJson(Map json) => _$WalletAssetDTOFromJson(json); Map toJson() => _$WalletAssetDTOToJson(this); }