initial commit

Plugins/BTCPayServer.Plugins.Wabisabi/LocalisedUTXOLocker.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using BTCPayServer.Payments.PayJoin;
+using NBitcoin;
+
+namespace BTCPayServer.Plugins.Wabisabi;
+
+public class LocalisedUTXOLocker: IUTXOLocker
+{
+    private HashSet<OutPoint> _locked = new();
+    public Task<bool> TryLock(OutPoint outpoint)
+    {
+        return Task.FromResult(_locked.Add(outpoint));
+    }
+
+    public Task<bool> TryUnlock(params OutPoint[] outPoints)
+    {
+        return Task.FromResult(_locked.RemoveWhere( outPoints.Contains) > 0);
+    }
+
+    public Task<bool> TryLockInputs(OutPoint[] outPoints)
+    {
+        throw new NotImplementedException();
+    }
+
+    public Task<HashSet<OutPoint>> FindLocks(OutPoint[] outpoints)
+    {
+        return Task.FromResult(_locked.Where(point => outpoints.Contains(point)).ToHashSet());
+    }
+}