multi: pass reset to ForEachNodeCached

autopilot/agent.go

@@ -640,6 +640,9 @@ func (a *Agent) openChans(ctx context.Context, availableFunds btcutil.Amount,
 
 		nodes[nID] = struct{}{}
 		return nil
+	}, func() {
+		nodes = nil
+		addresses = nil
 	}); err != nil {
 		return fmt.Errorf("unable to get graph nodes: %w", err)
 	}