public async Task <bool> QueryPeerTipAsync(PeerId recipientPeerId)
{
try
{
PeerClient.SendMessage(new MessageDto(
new LatestDeltaHashRequest().ToProtocolMessage(PeerId, CorrelationId.GenerateCorrelationId()),
recipientPeerId
));
using (CancellationTokenProvider.CancellationTokenSource)
{
await QueryTipResponseMessageStreamer
.FirstAsync(a => a != null &&
a.PeerId.PublicKey.SequenceEqual(recipientPeerId.PublicKey) &&
a.PeerId.Ip.SequenceEqual(recipientPeerId.Ip))
.ToTask(CancellationTokenProvider.CancellationTokenSource.Token)
.ConfigureAwait(false);
}
}
catch (OperationCanceledException)
{
return(false);
}
catch (Exception e)
{
Logger.Error(e, nameof(QueryPeerTipAsync));
return(false);
}
return(true);
}
public async Task <IPeerDeltaHistoryResponse> DeltaHistoryAsync(PeerId recipientPeerId, uint height = 1, uint range = 1024)
{
IPeerDeltaHistoryResponse history;
try
{
PeerClient.SendMessage(new MessageDto(
new DeltaHistoryRequest
{
Range = range,
Height = height
}.ToProtocolMessage(PeerId, CorrelationId.GenerateCorrelationId()),
recipientPeerId
));
using (CancellationTokenProvider.CancellationTokenSource)
{
history = await DeltaHistoryResponseMessageStreamer
.FirstAsync(a => a != null &&
a.PeerId.PublicKey.SequenceEqual(recipientPeerId.PublicKey) &&
a.PeerId.Ip.SequenceEqual(recipientPeerId.Ip))
.ToTask(CancellationTokenProvider.CancellationTokenSource.Token)
.ConfigureAwait(false);
}
}
catch (OperationCanceledException)
{
return(null);
}
catch (Exception e)
{
Logger.Error(e, nameof(DeltaHistoryAsync));
return(null);
}
return(history);
}