protected override async Task ExecuteAsync(CancellationToken stoppingToken)
{
if (WalletManager.Network == Network.Main)
{
Logger.LogInfo("WabiSabi coinjoin client-side functionality is disabled temporarily on mainnet.");
return;
}
var trackedWallets = new Dictionary <string, WalletTrackingData>();
while (!stoppingToken.IsCancellationRequested)
{
await Task.Delay(TimeSpan.FromSeconds(1), stoppingToken).ConfigureAwait(false);
var mixableWallets = GetMixableWallets();
var openedWallets = mixableWallets.Where(x => !trackedWallets.ContainsKey(x.Key));
var closedWallets = trackedWallets.Where(x => !mixableWallets.ContainsKey(x.Key));
foreach (var openedWallet in openedWallets.Select(x => x.Value))
{
var coinjoinClient = new CoinJoinClient(ArenaRequestHandler, openedWallet.Kitchen, openedWallet.KeyManager, RoundStatusUpdater);
var cts = CancellationTokenSource.CreateLinkedTokenSource(stoppingToken);
var coinCandidates = openedWallet.Coins.Available().Confirmed().Where(x => x.HdPubKey.AnonymitySet < ServiceConfiguration.GetMixUntilAnonymitySetValue());
var coinjoinTask = coinjoinClient.StartCoinJoinAsync(coinCandidates, cts.Token);
trackedWallets.Add(openedWallet.WalletName, new WalletTrackingData(openedWallet, coinjoinClient, coinjoinTask, cts));
}
foreach (var closedWallet in closedWallets.Select(x => x.Value))
{
closedWallet.CancellationTokenSource.Cancel();
closedWallet.CancellationTokenSource.Dispose();
}
var finishedCoinJoins = trackedWallets
.Where(x => x.Value.CoinJoinTask.IsCompleted)
.Select(x => x.Value)
.ToImmutableArray();
foreach (var finishedCoinJoin in finishedCoinJoins)
{
var removed = trackedWallets.Remove(finishedCoinJoin.Wallet.WalletName);
if (!removed)
{
Logger.LogWarning($"Wallet: `{finishedCoinJoin.Wallet.WalletName}` was not removed from tracked wallet list. Will retry in a few seconds.");
}
finishedCoinJoin.CancellationTokenSource.Dispose();
}
foreach (var finishedCoinJoin in finishedCoinJoins)
{
var logPrefix = $"Wallet: `{finishedCoinJoin.Wallet.WalletName}` - Coinjoin client";
try
{
var success = await finishedCoinJoin.CoinJoinTask.ConfigureAwait(false);
if (success)
{
Logger.LogInfo($"{logPrefix} finished successfully!");
}
else
{
Logger.LogInfo($"{logPrefix} finished with error. Transaction not broadcasted.");
}
}
catch (InvalidOperationException ioe)
{
Logger.LogError(ioe);
await Task.Delay(TimeSpan.FromSeconds(5), stoppingToken).ConfigureAwait(false);
}
catch (OperationCanceledException)
{
Logger.LogInfo($"{logPrefix} was cancelled.");
}
catch (Exception e)
{
Logger.LogError($"{logPrefix} failed with exception:", e);
}
}
TrackedWallets = trackedWallets.ToImmutableDictionary();
}
}
private record WalletTrackingData(Wallet Wallet, CoinJoinClient CoinJoinClient, Task <bool> CoinJoinTask, CancellationTokenSource CancellationTokenSource);
