stack_wallet/lib/models/exchange/response_objects/currency.dart

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class Currency {
/// Currency ticker
final String ticker;
/// Currency name
final String name;
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/// Currency network
final String network;
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/// Currency logo url
final String image;
/// Indicates if a currency has an Extra ID
final bool hasExternalId;
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/// external id if it exists
final String? externalId;
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/// Indicates if a currency is a fiat currency (EUR, USD)
final bool isFiat;
/// Indicates if a currency is popular
final bool featured;
/// Indicates if a currency is stable
final bool isStable;
/// Indicates if a currency is available on a fixed-rate flow
final bool supportsFixedRate;
/// (Optional - based on api call) Indicates whether the pair is
/// currently supported by change now
final bool? isAvailable;
Currency({
required this.ticker,
required this.name,
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required this.network,
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required this.image,
required this.hasExternalId,
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this.externalId,
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required this.isFiat,
required this.featured,
required this.isStable,
required this.supportsFixedRate,
this.isAvailable,
});
factory Currency.fromJson(Map<String, dynamic> json) {
try {
return Currency(
ticker: json["ticker"] as String,
name: json["name"] as String,
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network: json["network"] as String? ?? "",
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image: json["image"] as String,
hasExternalId: json["hasExternalId"] as bool,
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externalId: json["externalId"] as String?,
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isFiat: json["isFiat"] as bool,
featured: json["featured"] as bool,
isStable: json["isStable"] as bool,
supportsFixedRate: json["supportsFixedRate"] as bool,
isAvailable: json["isAvailable"] as bool?,
);
} catch (e) {
rethrow;
}
}
Map<String, dynamic> toJson() {
final map = {
"ticker": ticker,
"name": name,
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"network": network,
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"image": image,
"hasExternalId": hasExternalId,
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"externalId": externalId,
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"isFiat": isFiat,
"featured": featured,
"isStable": isStable,
"supportsFixedRate": supportsFixedRate,
};
if (isAvailable != null) {
map["isAvailable"] = isAvailable!;
}
return map;
}
Currency copyWith({
String? ticker,
String? name,
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String? network,
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String? image,
bool? hasExternalId,
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String? externalId,
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bool? isFiat,
bool? featured,
bool? isStable,
bool? supportsFixedRate,
bool? isAvailable,
}) {
return Currency(
ticker: ticker ?? this.ticker,
name: name ?? this.name,
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network: network ?? this.network,
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image: image ?? this.image,
hasExternalId: hasExternalId ?? this.hasExternalId,
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externalId: externalId ?? this.externalId,
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isFiat: isFiat ?? this.isFiat,
featured: featured ?? this.featured,
isStable: isStable ?? this.isStable,
supportsFixedRate: supportsFixedRate ?? this.supportsFixedRate,
isAvailable: isAvailable ?? this.isAvailable,
);
}
@override
String toString() {
return "Currency: ${toJson()}";
}
}