code: def check_gas_reserve(raiden):
      
      while True:
          has_enough_balance, estimated_required_balance = gas_reserve.has_enough_gas_reserve(
              raiden,
              channels_to_open=1,
          )
          estimated_required_balance_eth = Web3.fromWei(estimated_required_balance, 'ether')
  
          if not has_enough_balance:
              log.info('Missing gas reserve', required_wei=estimated_required_balance)
              click.secho(
                  (
                      'WARNING\n'
                      "Your account's balance is below the estimated gas reserve of "
                      f'{estimated_required_balance_eth} eth. This may lead to a loss of '
                      'of funds because your account will be unable to perform on-chain '
                      'transactions. Please add funds to your account as soon as possible.'
                  ),
                  fg='red',
              )
  
          gevent.sleep(CHECK_GAS_RESERVE_INTERVAL)
docs: Check periodically for gas reserve in the account