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drop unused function
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16322e19fe
commit
a2c7ebe90c
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@ -119,18 +119,12 @@ func (s *BacktestService) Sync(ctx context.Context, exchange types.Exchange, sym
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startTime time.Time, endTime time.Time, interval types.Interval) error {
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return s.SyncKLineByInterval(ctx, exchange, symbol, interval, startTime, endTime)
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}
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func (s *BacktestService) QueryFirstKLine(ex types.ExchangeName, symbol string, interval types.Interval) (*types.KLine, error) {
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return s.QueryKLine(ex, symbol, interval, "ASC", 1)
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}
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// QueryLastKLine queries the last kline from the database
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func (s *BacktestService) QueryLastKLine(ex types.ExchangeName, symbol string, interval types.Interval) (*types.KLine, error) {
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return s.QueryKLine(ex, symbol, interval, "DESC", 1)
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}
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// QueryKLine queries the klines from the database
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func (s *BacktestService) QueryKLine(ex types.ExchangeName, symbol string, interval types.Interval, orderBy string, limit int) (*types.KLine, error) {
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log.Infof("querying last kline exchange = %s AND symbol = %s AND interval = %s", ex, symbol, interval)
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@ -164,6 +158,7 @@ func (s *BacktestService) QueryKLine(ex types.ExchangeName, symbol string, inter
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return nil, rows.Err()
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}
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// QueryKLinesForward is used for querying klines to back-testing
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func (s *BacktestService) QueryKLinesForward(exchange types.ExchangeName, symbol string, interval types.Interval, startTime time.Time, limit int) ([]types.KLine, error) {
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tableName := s._targetKlineTable(exchange)
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sql := "SELECT * FROM `binance_klines` WHERE `end_time` >= :start_time AND `symbol` = :symbol AND `interval` = :interval and exchange = :exchange ORDER BY end_time ASC LIMIT :limit"
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@ -325,7 +320,6 @@ func (s *BacktestService) Insert(kline types.KLine) error {
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}
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func (s *BacktestService) _deleteDuplicatedKLine(k types.KLine) error {
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if len(k.Exchange) == 0 {
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return errors.New("kline.Exchange field should not be empty")
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}
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