code: func (c *Chain) Order(env *common.Envelope, configSeq uint64) error {
  	c.Metrics.NormalProposalsReceived.Add(1)
  	return c.Submit(&orderer.SubmitRequest{LastValidationSeq: configSeq, Payload: env, Channel: c.channelID}, 0)
  }
docs: // Order submits normal type transactions for ordering.