public static PaymentACK Load(Stream source)
{
if(source.CanSeek && source.Length > MaxLength)
throw new ArgumentOutOfRangeException("PaymentACK messages larger than " + MaxLength + " bytes should be rejected", "source");
PaymentACK ack = new PaymentACK();
Protobuf.ProtobufReaderWriter reader = new Protobuf.ProtobufReaderWriter(source);
int key;
while(reader.TryReadKey(out key))
{
switch(key)
{
case 1:
var bytes = reader.ReadBytes();
ack.Payment = PaymentMessage.Load(bytes);
break;
case 2:
ack.Memo = reader.ReadString();
break;
default:
break;
}
}
return ack;
}
public async Task<PaymentACK> SubmitPaymentAsync(Uri paymentUrl, HttpClient httpClient)
{
bool own = false;
if(paymentUrl == null)
paymentUrl = ImplicitPaymentUrl;
if(paymentUrl == null)
throw new ArgumentNullException("paymentUrl");
if(httpClient == null)
{
httpClient = new HttpClient();
own = true;
}
try
{
var request = new HttpRequestMessage(HttpMethod.Post, paymentUrl.OriginalString);
request.Headers.Clear();
request.Headers.Accept.Add(new MediaTypeWithQualityHeaderValue(PaymentACK.MediaType));
request.Content = new ByteArrayContent(this.ToBytes());
request.Content.Headers.ContentType = new MediaTypeHeaderValue(PaymentMessage.MediaType);
var result = await httpClient.SendAsync(request).ConfigureAwait(false);
if(!result.IsSuccessStatusCode)
throw new WebException(result.StatusCode + "(" + (int)result.StatusCode + ")");
if(result.Content.Headers.ContentType == null || !result.Content.Headers.ContentType.MediaType.Equals(PaymentACK.MediaType, StringComparison.OrdinalIgnoreCase))
{
throw new WebException("Invalid contenttype received, expecting " + PaymentACK.MediaType + ", but got " + result.Content.Headers.ContentType);
}
var response = await result.Content.ReadAsStreamAsync().ConfigureAwait(false);
return PaymentACK.Load(response);
}
finally
{
if(own)
httpClient.Dispose();
}
}
