public async Task <PairRate[]> GetRatesAsync(CancellationToken cancellationToken)
{
var response = await _httpClient.GetAsync("https://api.hitbtc.com/api/2/public/ticker", cancellationToken);
var jarray = await response.Content.ReadAsAsync <JArray>(cancellationToken);
return(jarray
.Children <JObject>()
.Where(p => CurrencyPair.TryParse(p["symbol"].Value <string>(), out _))
.Select(p => new PairRate(CurrencyPair.Parse(p["symbol"].Value <string>()), CreateBidAsk(p)))
.ToArray());
}
public override SyntaxNode VisitIdentifierName(IdentifierNameSyntax node)
{
if (CurrencyPair.TryParse(node.Identifier.ValueText, out var currencyPair))
{
return(SyntaxFactory.IdentifierName(currencyPair.ToString())
.WithTriviaFrom(node));
}
else
{
Errors.Add(RateRulesErrors.InvalidCurrencyIdentifier);
return(base.VisitIdentifierName(node));
}
}
public override void VisitAssignmentExpression(AssignmentExpressionSyntax node)
{
if (node.Kind() == SyntaxKind.SimpleAssignmentExpression &&
node.Left is IdentifierNameSyntax id &&
node.Right is ExpressionSyntax expression)
{
if (CurrencyPair.TryParse(id.Identifier.ValueText, out var currencyPair))
{
expression = expression.WithTriviaFrom(expression);
ExpressionsByPair.TryAdd(currencyPair, (expression, id));
}
}
base.VisitAssignmentExpression(node);
}