private synchronized void updateChannelInWallet() {
   if (storedServerChannel != null) {
     storedServerChannel.updateValueToMe(bestValueToMe, bestValueSignature);
     StoredPaymentChannelServerStates channels =
         (StoredPaymentChannelServerStates)
             wallet.getExtensions().get(StoredPaymentChannelServerStates.EXTENSION_ID);
     channels.updatedChannel(storedServerChannel);
   }
 }