private async Task Listen()
{
while (await _Channel.Reader.WaitToReadAsync())
{
List <RefillPoolRequest> pendingRequests = new List <RefillPoolRequest>();
try
{
_Channel.Reader.TryRead(out var modelItem);
if (modelItem == null)
{
continue;
}
retry:
RefillPoolRequest nextItem = null;
pendingRequests.Add(modelItem);
// Try to batch several requests together
while (_Channel.Reader.TryRead(out var item))
{
if (modelItem.DerivationStrategy == item.DerivationStrategy &&
modelItem.Feature == item.Feature)
{
pendingRequests.Add(item);
}
else
{
nextItem = item;
break;
}
}
var query = new GenerateAddressQuery();
foreach (var i in pendingRequests.Where(o => o.MinAddresses is int).Select(o => o.MinAddresses.Value))
{
if (query.MinAddresses is int min)
{
query.MinAddresses = min + i;
}
else
{
query.MinAddresses = new int?(i);
}
}
if (query.MinAddresses is int)
{
query.MinAddresses = Math.Min(1000, query.MinAddresses.Value);
}
var c = await _Repository.GenerateAddresses(modelItem.DerivationStrategy, modelItem.Feature, query);
pendingRequests.ForEach(i => i.Done?.TrySetResult(true));
if (nextItem != null)
{
modelItem = nextItem;
pendingRequests.Clear();
goto retry;
}
}
catch (Exception ex)
{
pendingRequests.ForEach(i => i.Done?.TrySetException(ex));
Logs.Explorer.LogError(ex, $"{_Repository.Network.CryptoCode}: Error in the Listen of the AddressPoolService");
await Task.Delay(1000);
}
}
}
public Task GenerateAddresses(NBXplorerNetwork network, DerivationStrategyBase derivationStrategy, DerivationFeature feature, GenerateAddressQuery generateAddressQuery = null)
{
var completion = new TaskCompletionSource <bool>(TaskCreationOptions.RunContinuationsAsynchronously);
if (!_AddressPoolByNetwork[network]._Channel.Writer.TryWrite(new RefillPoolRequest()
{
DerivationStrategy = derivationStrategy, Feature = feature, Done = completion, GenerateAddressQuery = generateAddressQuery
}))
{
completion.TrySetCanceled();
}
return(completion.Task);
}