transaction search with destination address

WalletWasabi.Fluent/ViewModels/SearchBar/Sources/TransactionsSearchSource.cs

@@ -1,11 +1,14 @@
 using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
 using System.Linq;
 using System.Reactive.Disposables;
 using System.Reactive.Linq;
 using System.Threading.Tasks;
 using DynamicData;
+using NBitcoin;
 using ReactiveUI;
 using WalletWasabi.Fluent.Extensions;
+using WalletWasabi.Fluent.Models.Wallets;
 using WalletWasabi.Fluent.ViewModels.SearchBar.Patterns;
 using WalletWasabi.Fluent.ViewModels.SearchBar.SearchItems;
 using WalletWasabi.Fluent.ViewModels.Wallets;
@@ -117,6 +120,28 @@ private static IEnumerable<ISearchItem> Search(string query)
 	private static IEnumerable<(WalletViewModel, HistoryItemViewModelBase)> Filter(string queryStr)
 	{
 		return Flatten(GetTransactionsByWallet())
-			.Where(tuple => ContainsId(tuple.Item2, queryStr));
+		.Where(tuple => TryParseBitcoinAddress(tuple.Item1.WalletModel.Network, queryStr, out var address) ?
+			ContainsDestinationAddress(tuple.Item1, tuple.Item2, address) :
+			ContainsId(tuple.Item2, queryStr));
+	}
+
+	private static bool ContainsDestinationAddress(WalletViewModel walletViewModel, HistoryItemViewModelBase historyItem, BitcoinAddress address)
+	{
+		var txid = historyItem.Transaction.Id;
+		return walletViewModel.WalletModel.Transactions.GetDestinationAddresses(txid).Contains(address);
+	}
+
+	private static bool TryParseBitcoinAddress(Network network, string queryStr, [NotNullWhen(true)] out BitcoinAddress? address)
+	{
+		address = null;
+		try
+		{
+			address = BitcoinAddress.Create(queryStr, network);
+			return true;
+		}
+		catch (FormatException)
+		{
+			return false;
+		}
 	}
 }