const createStartBlock = (blocks, env) => {
  if (env === 'test') {
    return blocks.exchanger
      ? blocks.exchanger.test
        ? blocks.exchanger.test
        : blocks.exchanger.prod
      : blocks.test || blocks.prod;
  } else if (env === 'prod') {
    return blocks.exchanger && blocks.exchanger.prod ? blocks.exchanger.prod : blocks.prod;
  } else {
    throw new Error('Invalid env for creating a yaml file');
  }
};

module.exports = {
  createStartBlock,
};