getCurrency method
Get a currency
Gets a single currency by id. Currency codes will conform to the ISO 4217 standard where possible. Currencies which have or had no representation in ISO 4217 may use a custom code.
https://docs.cloud.coinbase.com/exchange/reference/exchangerestapi_getcurrency
Implementation
Future<Currency> getCurrency({
required String currencyId,
}) async {
var response =
await _currenciesRestClient.getCurrency(currencyId: currencyId);
if (response.statusCode != 200) throw response;
return Currency.fromJson(mapDecode(response.body));
}