public BitcoinUrlBuilder(string uri)
{
if (uri == null)
{
throw new ArgumentNullException("uri");
}
if (!uri.StartsWith("bitcoin:", StringComparison.OrdinalIgnoreCase))
{
throw new FormatException("Invalid scheme");
}
uri = uri.Remove(0, "bitcoin:".Length);
if (uri.StartsWith("//"))
{
uri = uri.Remove(0, 2);
}
var paramStart = uri.IndexOf('?');
string address = null;
if (paramStart == -1)
{
address = uri;
}
else
{
address = uri.Substring(0, paramStart);
uri = uri.Remove(0, 1); //remove ?
}
if (address != String.Empty)
{
Address = Network.CreateFromBase58Data <BitcoinAddress>(address);
}
uri = uri.Remove(0, address.Length);
Dictionary <string, string> parameters;
try
{
parameters = UriHelper.DecodeQueryParameters(uri);
}
catch (ArgumentException)
{
throw new FormatException("A URI parameter is duplicated");
}
if (parameters.ContainsKey("amount"))
{
Amount = Money.Parse(parameters["amount"]);
parameters.Remove("amount");
}
if (parameters.ContainsKey("label"))
{
Label = parameters["label"];
parameters.Remove("label");
}
if (parameters.ContainsKey("message"))
{
Message = parameters["message"];
parameters.Remove("message");
}
if (parameters.ContainsKey("r"))
{
PaymentRequestUrl = new Uri(parameters["r"], UriKind.Absolute);
parameters.Remove("r");
}
_UnknowParameters = parameters;
var reqParam = parameters.Keys.FirstOrDefault(k => k.StartsWith("req-", StringComparison.OrdinalIgnoreCase));
if (reqParam != null)
{
throw new FormatException("Non compatible required parameter " + reqParam);
}
}