class NanoTransactionModel { final DateTime? date; final String hash; final bool confirmed; final String account; final BigInt amount; final int height; final String type; NanoTransactionModel({ this.date, required this.hash, required this.height, required this.amount, required this.confirmed, required this.type, required this.account, }); factory NanoTransactionModel.fromJson(dynamic json) { DateTime? localTimestamp; try { localTimestamp = DateTime.fromMillisecondsSinceEpoch( int.parse(json["local_timestamp"] as String) * 1000); } catch (e) { localTimestamp = DateTime.now(); } return NanoTransactionModel( date: localTimestamp, hash: json["hash"] as String, height: int.parse(json["height"] as String), type: json["type"] as String, amount: BigInt.parse(json["amount"] as String), account: json["account"] as String, confirmed: (json["confirmed"] as String) == "true", ); } }