Fix IO poison in handlers (UtcNow instead of a passed in date time).

wolverine/a-frame-architecture/FinancialApi.Application/TransferFundsHandler.cs

@@ -13,18 +13,19 @@ public record TransferFundsCommand(int SourceAccountId, int DestinationAccountId
 
 public record FundsTransferredEvent(int SourceAccountId, int DestinationAccountId, decimal Amount);
 
-public record TransferPair(Account Source, Account Destination);
+public record TransferPair(Account Source, Account Destination, DateTimeOffset TimeStamp);
 
 public static class TransferFundsHandler
 {
-    public static async Task<TransferPair?> LoadAsync(TransferFundsCommand cmd, IAccountQuery query)
+    public static async Task<TransferPair?> LoadAsync(TransferFundsCommand cmd, IAccountQuery query,
+        TimeProvider timeProvider)
     {
         var source = await query.FindByIdAsync(cmd.SourceAccountId);
         var dest = await query.FindByIdAsync(cmd.DestinationAccountId);
 
         if (source == null || dest == null) return null;
 
-        return new TransferPair(source, dest);
+        return new TransferPair(source, dest, timeProvider.GetUtcNow());
     }
 
     public static (
@@ -39,14 +40,14 @@ public static class TransferFundsHandler
 
         var lines = new List<JournalLine>
         {
-            new (pair.Source.Id, cmd.Amount, EntryType.Debit),
-            new (pair.Destination.Id, cmd.Amount, EntryType.Credit)
+            new(pair.Source.Id, cmd.Amount, EntryType.Debit),
+            new(pair.Destination.Id, cmd.Amount, EntryType.Credit)
         };
 
         var journalEntry =
             BalancedJournal.Create(Guid.NewGuid(),
                 $"Transfer: {cmd.Amount} from {cmd.SourceAccountId} to {cmd.DestinationAccountId}",
-                DateTimeOffset.UtcNow, lines);
+                pair.TimeStamp, lines);
 
         var @event = new FundsTransferredEvent(cmd.SourceAccountId, cmd.DestinationAccountId, cmd.Amount);