common

type Cache interface {
	Set(key string, value any, options ...store.Option) error
	Get(key string, value any) error
	Del(key string) error
	Clear(context context.Context)
	Close()
}

type Database interface {
	InsertCandles(candles []*source.Candle) error
	SelectCandles(symbol string, resolution source.Resolution, from, to time.Time) ([]*source.Candle, error)
	Close()
}

type SQLDatabase struct {
	Conn *gorm.DB
}