subscription

type Store interface {
	BatchInsert(subs []*model.Subscription) ([]common.Address, error)
	BatchUpdateBlockNumber(blockNumber int64, addrs [][]byte) error
	Find(blockNumber int64) (result []*model.Subscription, err error)
	// FindOldSubscriptions find old subscriptions �by addresses
	FindOldSubscriptions(addrs [][]byte) (result []*model.Subscription, err error)
	FindByGroup(groupID int64, query *model.QueryParameters) (result []*model.Subscription, total uint64, err error)

	// Total balance
	InsertTotalBalance(data *model.TotalBalance) error
	FindTotalBalance(blockNumber int64, token common.Address, group int64) (result *model.TotalBalance, err error)

	Reset(from, to int64) error
}