Function filterAndAppendMiner

blockproducer/metastate.go:734–755

(
	miners MinerInfos,
	po *types.ProviderProfile,
	req *types.CreateDatabase,
	user proto.AccountAddress,
)

}

func filterAndAppendMiner(
	miners MinerInfos,
	po *types.ProviderProfile,
	req *types.CreateDatabase,
	user proto.AccountAddress,
) (newMiners MinerInfos, err error) {
	newMiners = miners
	if !isProviderUserMatch(po.TargetUser, user) {
		err = ErrMinerUserNotMatch
		return
	}
	var match bool
	if match, err = isProviderReqMatch(po, req); !match {
		return
	}
	newMiners = append(miners, &types.MinerInfo{
		Address: po.Provider,
		NodeID:  po.NodeID,
		Deposit: po.Deposit,
	})
	return
}

func isProviderUserMatch(targetUsers []proto.AccountAddress, user proto.AccountAddress) (match bool) {
	if len(targetUsers) > 0 {