public async Task <bool> TestAccess(bool isOnion)
{
var data = GetData();
var summary = _nbXplorerSummaryProvider.GetSummary(data.CryptoCode);
if (summary.State != NBXplorerState.Ready)
{
return(false);
}
try
{
using (var cts = new CancellationTokenSource(LIGHTNING_TIMEOUT))
{
var client = ConstructClient(data);
LightningNodeInformation info = null;
try
{
info = await client.GetInfo(cts.Token);
}
catch (OperationCanceledException) when(cts.IsCancellationRequested)
{
throw new Exception($"The lightning node did not reply in a timely manner");
}
catch (Exception ex)
{
throw new Exception($"Error while connecting to the API ({ex.Message})");
}
var nodeInfo = info.NodeInfoList.FirstOrDefault(i => i.IsTor == isOnion) ??
info.NodeInfoList.FirstOrDefault();
if (nodeInfo == null)
{
throw new Exception($"No lightning node public address has been configured");
}
var blocksGap = summary.Status.ChainHeight - info.BlockHeight;
if (blocksGap > 10)
{
throw new Exception($"The lightning node is not synched ({blocksGap} blocks left)");
}
if (!EndPointParser.TryParse(nodeInfo.Host, nodeInfo.Port, out var endpoint))
{
throw new Exception($"Could not parse the endpoint {nodeInfo.Host}");
}
using (await _socketFactory.ConnectAsync(endpoint, cts.Token))
{
}
}
return(true);
}
catch (Exception)
{
return(false);
}
}
public async Task TestConnection(NodeInfo nodeInfo, CancellationToken cancellation)
{
try
{
if (!Utils.TryParseEndpoint(nodeInfo.Host, nodeInfo.Port, out var endpoint))
{
throw new PaymentMethodUnavailableException($"Could not parse the endpoint {nodeInfo.Host}");
}
using var tcp = await _socketFactory.ConnectAsync(endpoint, cancellation);
}
catch (Exception ex)
{
throw new PaymentMethodUnavailableException($"Error while connecting to the lightning node via {nodeInfo.Host}:{nodeInfo.Port} ({ex.Message})");
}
}
