stack_wallet/lib/models/exchange/change_now/cn_exchange_estimate.dart
2023-05-27 00:21:16 +03:00

173 lines
5.4 KiB
Dart

/*
* This file is part of Stack Wallet.
*
* Copyright (c) 2023 Cypher Stack
* All Rights Reserved.
* The code is distributed under GPLv3 license, see LICENSE file for details.
* Generated by Cypher Stack on 2023-05-26
*
*/
import 'package:decimal/decimal.dart';
import 'package:stackwallet/utilities/logger.dart';
enum CNEstimateType { direct, reverse }
enum CNFlowType implements Comparable<CNFlowType> {
standard("standard"),
fixedRate("fixed-rate");
const CNFlowType(this.value);
final String value;
@override
int compareTo(CNFlowType other) => value.compareTo(other.value);
}
class CNExchangeEstimate {
/// Ticker of the currency you want to exchange
final String fromCurrency;
/// Network of the currency you want to exchange
final String fromNetwork;
/// Ticker of the currency you want to receive
final String toCurrency;
/// Network of the currency you want to receive
final String toNetwork;
/// Type of exchange flow. Enum: ["standard", "fixed-rate"]
final CNFlowType flow;
/// Direction of exchange flow. Use "direct" value to set amount for
/// currencyFrom and get amount of currencyTo. Use "reverse" value to set
/// amount for currencyTo and get amount of currencyFrom.
/// Enum: ["direct", "reverse"]
final CNEstimateType type;
/// (Optional) Use rateId for fixed-rate flow. If this field is true, you
/// could use returned field "rateId" in next method for creating transaction
/// to freeze estimated amount that you got in this method. Current estimated
/// amount would be valid until time in field "validUntil"
final String? rateId;
/// Date and time before estimated amount would be freezed in case of using
/// rateId. If you set param "useRateId" to true, you could use returned field
/// "rateId" in next method for creating transaction to freeze estimated
/// amount that you got in this method. Estimated amount would be valid until
/// this date and time
final String? validUntil;
/// Dash-separated min and max estimated time in minutes
final String? transactionSpeedForecast;
/// Some warnings like warnings that transactions on this network
/// take longer or that the currency has moved to another network
final String? warningMessage;
/// Exchange amount of fromCurrency (in case when type=reverse it is an
/// estimated value)
final Decimal fromAmount;
/// Exchange amount of toCurrency (in case when type=direct it is an
/// estimated value)
final Decimal toAmount;
CNExchangeEstimate({
required this.fromCurrency,
required this.fromNetwork,
required this.toCurrency,
required this.toNetwork,
required this.flow,
required this.type,
this.rateId,
this.validUntil,
this.transactionSpeedForecast,
this.warningMessage,
required this.fromAmount,
required this.toAmount,
});
factory CNExchangeEstimate.fromJson(Map<String, dynamic> json) {
try {
final flow = CNFlowType.values
.firstWhere((element) => element.value == json["flow"]);
final type = CNEstimateType.values
.firstWhere((element) => element.name == json["type"]);
return CNExchangeEstimate(
fromCurrency: json["fromCurrency"] as String,
fromNetwork: json["fromNetwork"] as String,
toCurrency: json["toCurrency"] as String,
toNetwork: json["toNetwork"] as String,
flow: flow,
type: type,
rateId: json["rateId"] as String?,
validUntil: json["validUntil"] as String?,
transactionSpeedForecast: json["transactionSpeedForecast"] as String?,
warningMessage: json["warningMessage"] as String?,
fromAmount: Decimal.parse(json["fromAmount"].toString()),
toAmount: Decimal.parse(json["toAmount"].toString()),
);
} catch (e, s) {
Logging.instance
.log("Failed to parse: $json \n$e\n$s", level: LogLevel.Fatal);
rethrow;
}
}
Map<String, dynamic> toJson() {
return {
"fromCurrency": fromCurrency,
"fromNetwork": fromNetwork,
"toCurrency": toCurrency,
"toNetwork": toNetwork,
"flow": flow,
"type": type,
"rateId": rateId,
"validUntil": validUntil,
"transactionSpeedForecast": transactionSpeedForecast,
"warningMessage": warningMessage,
"fromAmount": fromAmount,
"toAmount": toAmount,
};
}
CNExchangeEstimate copyWith({
String? fromCurrency,
String? fromNetwork,
String? toCurrency,
String? toNetwork,
CNFlowType? flow,
CNEstimateType? type,
String? rateId,
String? validUntil,
String? transactionSpeedForecast,
String? warningMessage,
Decimal? fromAmount,
Decimal? toAmount,
}) {
return CNExchangeEstimate(
fromCurrency: fromCurrency ?? this.fromCurrency,
fromNetwork: fromNetwork ?? this.fromNetwork,
toCurrency: toCurrency ?? this.toCurrency,
toNetwork: toNetwork ?? this.toNetwork,
flow: flow ?? this.flow,
type: type ?? this.type,
rateId: rateId ?? this.rateId,
validUntil: validUntil ?? this.validUntil,
transactionSpeedForecast:
transactionSpeedForecast ?? this.transactionSpeedForecast,
warningMessage: warningMessage ?? this.warningMessage,
fromAmount: fromAmount ?? this.fromAmount,
toAmount: toAmount ?? this.toAmount,
);
}
@override
String toString() {
return "EstimatedExchangeAmount: ${toJson()}";
}
}