1080 lines
11 KiB
Go
1080 lines
11 KiB
Go
package indicator
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import (
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"encoding/json"
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"math"
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"testing"
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"git.qtrade.icu/lychiyu/bbgo/pkg/fixedpoint"
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"git.qtrade.icu/lychiyu/bbgo/pkg/types"
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)
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// generated from:
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// 2020/12/05 10:25
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// curl -s 'https://www.binance.com/api/v3/klines?symbol=ETHUSDT&interval=5m&endTime=1607135400000&limit=1000' | jq '. | map({ closePrice: (.[4] | tonumber), openTime: .[0] })'
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// curl -s 'https://www.binance.com/api/v3/klines?symbol=ETHUSDT&interval=5m&endTime=1607135400000&limit=1000' | jq '. | map(.[4] | tonumber)'
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var ethusdt5m = []byte(`[
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614.36,
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613.62,
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611.68,
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614.7,
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607.69,
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606.82,
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602.91,
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606.04,
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603.94,
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607.37,
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599.72,
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594,
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594.87,
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599.32,
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589.27,
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582.06,
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585.5,
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586.1,
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585.39,
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587.32,
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594.66,
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596,
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593,
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596,
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592.02,
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593.01,
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591.34,
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592.43,
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592.79,
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592.25,
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592,
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594,
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593.78,
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589.01,
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589.36,
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589.94,
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589.77,
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590.36,
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588.95,
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588.02,
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590.51,
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592.01,
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596.14,
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595.68,
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595.72,
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598.47,
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598.1,
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598.47,
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597.27,
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595.94,
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596.43,
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602.8,
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607.08,
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606.03,
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605.98,
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603.91,
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604.5,
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604.19,
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604.98,
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605.25,
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606.41,
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599.67,
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601.87,
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603.85,
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603.18,
|
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602.31,
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602.5,
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603.02,
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603.84,
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605.19,
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605.29,
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606.56,
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605.54,
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605.36,
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605.11,
|
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609.64,
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608.82,
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610.79,
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609.74,
|
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612.51,
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614.67,
|
|
614.8,
|
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613.42,
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612.79,
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614.4,
|
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610.96,
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610.57,
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612.19,
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613.22,
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614.24,
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612.67,
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612.4,
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611.6,
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610.69,
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611.5,
|
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613.6,
|
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610.99,
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611.22,
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610.54,
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607.53,
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608.7,
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608.98,
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608.4,
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608.72,
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609.35,
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609.84,
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608.5,
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609.27,
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611.71,
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610.67,
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611.18,
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610.87,
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612.38,
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611.53,
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610.7,
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610.08,
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|
609,
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609.51,
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608.16,
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609.17,
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611.02,
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612.63,
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612.25,
|
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612.71,
|
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613.27,
|
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612.47,
|
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611.12,
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611.34,
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611.14,
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610.58,
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610.01,
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610.64,
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610.07,
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609.73,
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610.85,
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611.75,
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612.76,
|
|
612.51,
|
|
613.12,
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613.03,
|
|
614.49,
|
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615.24,
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617.37,
|
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618.92,
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621.61,
|
|
618.66,
|
|
608.37,
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|
609.37,
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612.48,
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614.14,
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616.23,
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615.57,
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615.53,
|
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613.25,
|
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614.73,
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|
614.2,
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|
615.19,
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|
612.99,
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|
609.91,
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610.28,
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611.5,
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612.55,
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613.21,
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612.74,
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611.8,
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612.18,
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612.2,
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612.56,
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614.05,
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614.67,
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614.45,
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614.46,
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614.16,
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614.22,
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615.62,
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614.73,
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614.56,
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613.89,
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613.38,
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614.12,
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|
612.24,
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|
612.39,
|
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611.83,
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611.83,
|
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611.24,
|
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611.62,
|
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611.44,
|
|
612.21,
|
|
612.12,
|
|
613.14,
|
|
613.53,
|
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613.76,
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613.38,
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612.76,
|
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613.31,
|
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613.19,
|
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613.71,
|
|
613.89,
|
|
613.52,
|
|
612.32,
|
|
611.39,
|
|
610.82,
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|
611.03,
|
|
611.33,
|
|
611.52,
|
|
612.69,
|
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612.63,
|
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612.9,
|
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613.25,
|
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612.92,
|
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613.35,
|
|
614.23,
|
|
614.66,
|
|
615.71,
|
|
615.39,
|
|
614.95,
|
|
614.74,
|
|
614.84,
|
|
615.27,
|
|
615.41,
|
|
615.74,
|
|
615.99,
|
|
615.22,
|
|
615.22,
|
|
614.99,
|
|
614.43,
|
|
614.7,
|
|
616.13,
|
|
616.78,
|
|
618.41,
|
|
618.35,
|
|
618.02,
|
|
615.89,
|
|
616.52,
|
|
617.12,
|
|
617.46,
|
|
616.88,
|
|
616.67,
|
|
616.9,
|
|
615.85,
|
|
614.86,
|
|
614.16,
|
|
614.95,
|
|
615.19,
|
|
615.17,
|
|
615.61,
|
|
617.79,
|
|
619.39,
|
|
618.27,
|
|
618.25,
|
|
617.81,
|
|
617.36,
|
|
617.22,
|
|
614.3,
|
|
613.67,
|
|
613.7,
|
|
613.79,
|
|
614.07,
|
|
612.17,
|
|
613.29,
|
|
612.94,
|
|
612.8,
|
|
613.1,
|
|
611.32,
|
|
612.93,
|
|
612.42,
|
|
611.86,
|
|
611.16,
|
|
609.93,
|
|
610.95,
|
|
610.16,
|
|
603.83,
|
|
606.02,
|
|
606.72,
|
|
604.39,
|
|
604.26,
|
|
607,
|
|
606.84,
|
|
607.84,
|
|
607.8,
|
|
605.64,
|
|
604.26,
|
|
605.22,
|
|
605.08,
|
|
606.01,
|
|
605.48,
|
|
604.73,
|
|
602.64,
|
|
604.64,
|
|
605.7,
|
|
605.58,
|
|
605.68,
|
|
606.05,
|
|
606.2,
|
|
606.62,
|
|
606.16,
|
|
607.36,
|
|
606.38,
|
|
605.48,
|
|
606.12,
|
|
607.16,
|
|
607.51,
|
|
607.4,
|
|
607.27,
|
|
606.66,
|
|
607.21,
|
|
606.1,
|
|
606.66,
|
|
605.73,
|
|
605.29,
|
|
603.52,
|
|
603.46,
|
|
604.73,
|
|
605.57,
|
|
606.04,
|
|
606.05,
|
|
607.02,
|
|
608.31,
|
|
607.69,
|
|
607.68,
|
|
607.45,
|
|
607.36,
|
|
607.18,
|
|
606.89,
|
|
605.9,
|
|
605.03,
|
|
604.85,
|
|
604.16,
|
|
604.49,
|
|
604.43,
|
|
604.94,
|
|
606.74,
|
|
606.51,
|
|
606.44,
|
|
605.03,
|
|
604.28,
|
|
606.71,
|
|
608.23,
|
|
609.64,
|
|
611.5,
|
|
611.6,
|
|
612.57,
|
|
611.81,
|
|
612.12,
|
|
611.87,
|
|
610.47,
|
|
611.22,
|
|
610.86,
|
|
609.75,
|
|
609.76,
|
|
609.06,
|
|
609.52,
|
|
607.76,
|
|
608.81,
|
|
609.2,
|
|
608.17,
|
|
607.88,
|
|
608.37,
|
|
609.27,
|
|
608.69,
|
|
608.33,
|
|
603.37,
|
|
600.33,
|
|
592.31,
|
|
592.43,
|
|
592.5,
|
|
591.56,
|
|
592.21,
|
|
594.3,
|
|
594.29,
|
|
593.4,
|
|
593.25,
|
|
594.53,
|
|
594.85,
|
|
597.23,
|
|
596.2,
|
|
595.5,
|
|
593.74,
|
|
591.08,
|
|
594.12,
|
|
595,
|
|
591.83,
|
|
590.93,
|
|
585.57,
|
|
588.02,
|
|
587.75,
|
|
584.22,
|
|
583.38,
|
|
586.86,
|
|
587.51,
|
|
589.39,
|
|
589.98,
|
|
591.01,
|
|
590.7,
|
|
591.73,
|
|
592.09,
|
|
590.98,
|
|
591.22,
|
|
591.04,
|
|
590.08,
|
|
588.41,
|
|
590.28,
|
|
590.95,
|
|
589.63,
|
|
591.09,
|
|
591.04,
|
|
590.03,
|
|
590.92,
|
|
589.92,
|
|
589.77,
|
|
587.7,
|
|
589.1,
|
|
591.42,
|
|
595.3,
|
|
594.44,
|
|
593.91,
|
|
593.85,
|
|
593.08,
|
|
592.17,
|
|
591.94,
|
|
592.46,
|
|
591.24,
|
|
590.66,
|
|
590.42,
|
|
590.24,
|
|
589.58,
|
|
589.38,
|
|
590.48,
|
|
590,
|
|
589.55,
|
|
589.3,
|
|
586.89,
|
|
584.95,
|
|
588.32,
|
|
583.45,
|
|
586.51,
|
|
586.6,
|
|
586.03,
|
|
584.14,
|
|
583.92,
|
|
585.94,
|
|
584.76,
|
|
587.6,
|
|
588.47,
|
|
589.39,
|
|
588.17,
|
|
588.99,
|
|
588.52,
|
|
589.23,
|
|
589.61,
|
|
590.62,
|
|
589.68,
|
|
589.88,
|
|
590.22,
|
|
589.78,
|
|
589.34,
|
|
588.11,
|
|
588.63,
|
|
588.27,
|
|
588.8,
|
|
587.96,
|
|
589.45,
|
|
589.99,
|
|
591,
|
|
590.82,
|
|
591.62,
|
|
591.17,
|
|
591.14,
|
|
590.68,
|
|
590.78,
|
|
591.87,
|
|
591.02,
|
|
590.61,
|
|
589.85,
|
|
589.66,
|
|
589.83,
|
|
591.09,
|
|
589.6,
|
|
590.89,
|
|
590.83,
|
|
589.29,
|
|
588.84,
|
|
588.51,
|
|
588.56,
|
|
588.26,
|
|
588.83,
|
|
587.95,
|
|
587.32,
|
|
588.3,
|
|
588.96,
|
|
588.54,
|
|
588.87,
|
|
589.12,
|
|
589.01,
|
|
587.54,
|
|
585.49,
|
|
584.81,
|
|
584.11,
|
|
584.77,
|
|
584.68,
|
|
585.07,
|
|
582.69,
|
|
580.38,
|
|
580.83,
|
|
580.53,
|
|
577.67,
|
|
582.09,
|
|
579.3,
|
|
578.17,
|
|
575.88,
|
|
576.2,
|
|
577.53,
|
|
572.94,
|
|
572.63,
|
|
570.55,
|
|
569.16,
|
|
573.56,
|
|
573.78,
|
|
574.3,
|
|
574.69,
|
|
575.85,
|
|
575.59,
|
|
574.36,
|
|
571.4,
|
|
571.9,
|
|
569.9,
|
|
571.62,
|
|
567.24,
|
|
563.9,
|
|
564.1,
|
|
565.2,
|
|
567.49,
|
|
567.81,
|
|
568.34,
|
|
570.68,
|
|
571.31,
|
|
570.79,
|
|
571.36,
|
|
572.66,
|
|
571.79,
|
|
570.58,
|
|
570.63,
|
|
572.96,
|
|
572.04,
|
|
571.64,
|
|
570.91,
|
|
570.17,
|
|
570.94,
|
|
572.12,
|
|
572.18,
|
|
569.6,
|
|
567.31,
|
|
568.21,
|
|
570.32,
|
|
572.85,
|
|
572.21,
|
|
572.63,
|
|
572.74
|
|
]`)
|
|
|
|
func buildKLines(prices []fixedpoint.Value) (klines []types.KLine) {
|
|
for _, p := range prices {
|
|
klines = append(klines, types.KLine{Close: p})
|
|
}
|
|
|
|
return klines
|
|
}
|
|
|
|
func Test_calculateEWMA(t *testing.T) {
|
|
type args struct {
|
|
allKLines []types.KLine
|
|
priceF types.KLineValueMapper
|
|
window int
|
|
}
|
|
var input []fixedpoint.Value
|
|
if err := json.Unmarshal(ethusdt5m, &input); err != nil {
|
|
panic(err)
|
|
}
|
|
tests := []struct {
|
|
name string
|
|
args args
|
|
want float64
|
|
}{
|
|
{
|
|
name: "ETHUSDT EMA 7",
|
|
args: args{
|
|
allKLines: buildKLines(input),
|
|
priceF: types.KLineClosePriceMapper,
|
|
window: 7,
|
|
},
|
|
want: 571.72, // with open price, binance desktop returns 571.45, trading view returns 570.8957, for close price, binance mobile returns 571.72
|
|
},
|
|
{
|
|
name: "ETHUSDT EMA 25",
|
|
args: args{
|
|
allKLines: buildKLines(input),
|
|
priceF: types.KLineClosePriceMapper,
|
|
window: 25,
|
|
},
|
|
want: 571.30,
|
|
},
|
|
{
|
|
name: "ETHUSDT EMA 99",
|
|
args: args{
|
|
allKLines: buildKLines(input),
|
|
priceF: types.KLineClosePriceMapper,
|
|
window: 99,
|
|
},
|
|
want: 577.62, // binance mobile uses 577.58
|
|
},
|
|
}
|
|
for _, tt := range tests {
|
|
t.Run(tt.name, func(t *testing.T) {
|
|
got := CalculateKLinesEMA(tt.args.allKLines, tt.args.priceF, tt.args.window)
|
|
got = math.Trunc(got*100.0) / 100.0
|
|
if got != tt.want {
|
|
t.Errorf("CalculateKLinesEMA() = %v, want %v", got, tt.want)
|
|
}
|
|
})
|
|
}
|
|
}
|