Add ICoinJoinIdStore interface
ADD
WalletWasabi/WabiSabi/Backend/Rounds/CoinJoinStorage/ICoinJoinIdStore.cs
+using NBitcoin;
+
+namespace WalletWasabi.WabiSabi.Backend.Rounds.CoinJoinStorage;
+
+public interface ICoinJoinIdStore
+{
+ public void Append(uint256 id);
+
+ public bool Contains(uint256 id);
+}

Add ICoinJoinIdStore interface