Method updateProviderList

blockproducer/metastate.go:512–551

(tx *types.ProvideService, height uint32)

}

func (s *metaState) updateProviderList(tx *types.ProvideService, height uint32) (err error) {
	sender, err := crypto.PubKeyHash(tx.Signee)
	if err != nil {
		err = errors.Wrap(err, "updateProviderList failed")
		return
	}

	if height >= conf.BPHeightCIPFixProvideService {
		// load previous provider object
		po, loaded := s.loadProviderObject(sender)
		if loaded {
			// refund
			if err = s.increaseAccountStableBalance(sender, po.Deposit); err != nil {
				return
			}

			s.deleteProviderObject(sender)
		}
	}

	// deposit
	var (
		minDeposit = conf.GConf.MinProviderDeposit
	)
	if err = s.decreaseAccountStableBalance(sender, minDeposit); err != nil {
		return
	}
	pp := types.ProviderProfile{
		Provider:      sender,
		Space:         tx.Space,
		Memory:        tx.Memory,
		LoadAvgPerCPU: tx.LoadAvgPerCPU,
		TargetUser:    tx.TargetUser,
		Deposit:       minDeposit,
		GasPrice:      tx.GasPrice,
		NodeID:        tx.NodeID,
	}
	s.dirty.provider[sender] = &pp
	return
}

func (s *metaState) matchProvidersWithUser(tx *types.CreateDatabase) (err error) {
	log.Infof("create database: %s", tx.Hash())