public Task<Order> NewOrderAsync(Guid walletId, NewOrder order)
{
if (walletId == Guid.Empty)
throw new ArgumentException("walletId");
if (order == null)
throw new ArgumentNullException("order");
var request = new NewOrderMessageBuilder(walletId, order);
return SendAsync(request).ReadAsAsync<Order>();
}
public NewOrderMessageBuilder(Guid walletId, NewOrder order)
{
_walletId = walletId;
_order = order;
}