kline

var (
	// ErrRequestExceedsExchangeLimits locale for exceeding rate limits message
	ErrRequestExceedsExchangeLimits = errors.New("request will exceed exchange limits, please reduce start-end time window or use GetHistoricCandlesExtended")
	// ErrUnsupportedInterval returns when the provided interval is not supported by an exchange
	ErrUnsupportedInterval = errors.New("interval unsupported by exchange")
	// ErrCanOnlyUpscaleCandles returns when attempting to upscale candles
	ErrCanOnlyUpscaleCandles = errors.New("interval must be a longer duration to scale")
	// ErrWholeNumberScaling returns when old interval data cannot neatly fit into new interval size
	ErrWholeNumberScaling = errors.New("old interval must scale properly into new candle")
	// ErrNotFoundAtTime returned when looking up a candle at a specific time
	ErrNotFoundAtTime = errors.New("candle not found at time")
	// ErrItemNotEqual returns when comparison between two kline items fail
	ErrItemNotEqual = errors.New("kline item not equal")
	// ErrItemUnderlyingNotEqual returns when the underlying pair is not equal
	ErrItemUnderlyingNotEqual = errors.New("kline item underlying pair not equal")
	// ErrValidatingParams defines an error when the kline params are either not
	// enabled or are invalid.
	ErrValidatingParams = errors.New("kline param(s) are invalid")
	// ErrInvalidInterval defines when an interval is invalid e.g. interval <= 0
	ErrInvalidInterval = errors.New("invalid/unset interval")
	// ErrCannotConstructInterval defines an error when an interval cannot be
	// constructed from a list of support intervals.
	ErrCannotConstructInterval = errors.New("cannot construct required interval from supported intervals")
	// ErrInsufficientCandleData defines an error when you have a candle that
	// requires multiple candles to generate.
	ErrInsufficientCandleData = errors.New("insufficient candle data to generate new candle")
	// ErrRequestExceedsMaxLookback defines an error for when you cannot look
	// back further than what is allowed.
	ErrRequestExceedsMaxLookback = errors.New("the requested time window exceeds the maximum lookback period available in the historical data, please reduce window between start and end date of your request")

	// SupportedIntervals is a list of all supported intervals
	SupportedIntervals = []Interval{
		HundredMilliseconds,
		ThousandMilliseconds,
		TenSecond,
		FifteenSecond,
		OneMin,
		ThreeMin,
		FiveMin,
		TenMin,
		FifteenMin,
		ThirtyMin,
		OneHour,
		TwoHour,
		ThreeHour,
		FourHour,
		SixHour,
		SevenHour,
		EightHour,
		TwelveHour,
		OneDay,
		ThreeDay,
		FiveDay,
		SevenDay,
		FifteenDay,
		OneWeek,
		TwoWeek,
		OneMonth,
		ThreeMonth,
		SixMonth,
		OneYear,
		ThreeMonth,
		SixMonth,
	}
)

var (
	// ErrUnsetName is an error for when the exchange name is not set
	ErrUnsetName = errors.New("unset exchange name")
	// ErrNoTimeSeriesDataToConvert is returned when no data can be processed
	ErrNoTimeSeriesDataToConvert = errors.New("no candle data returned to process")

	// PartialCandle is string flag for when the most recent candle is partially
	// formed.
	PartialCandle = "Partial Candle"
)