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package reward
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import (
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"sort"
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"time"
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"github.com/harmony-one/harmony/numeric"
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)
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type pair struct {
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ts int64
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share numeric.Dec
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}
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var (
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// schedule is the Token Release Schedule of Harmony
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releasePlan = map[int64]numeric.Dec{
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//2019
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mustParse("2019-May-31"): numeric.MustNewDecFromStr("0.242864761904762"),
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mustParse("2019-Jun-30"): numeric.MustNewDecFromStr("0.248805938375350"),
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mustParse("2019-Jul-31"): numeric.MustNewDecFromStr("0.254747114845938"),
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mustParse("2019-Aug-31"): numeric.MustNewDecFromStr("0.260688291316526"),
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mustParse("2019-Sep-30"): numeric.MustNewDecFromStr("0.266629467787115"),
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mustParse("2019-Oct-31"): numeric.MustNewDecFromStr("0.272570644257703"),
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mustParse("2019-Nov-30"): numeric.MustNewDecFromStr("0.378471820728291"),
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mustParse("2019-Dec-31"): numeric.MustNewDecFromStr("0.384412997198879"),
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// 2020
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mustParse("2020-Jan-31"): numeric.MustNewDecFromStr("0.395055284780578"),
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mustParse("2020-Feb-29"): numeric.MustNewDecFromStr("0.404667810457516"),
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mustParse("2020-Mar-31"): numeric.MustNewDecFromStr("0.414280336134453"),
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mustParse("2020-Apr-30"): numeric.MustNewDecFromStr("0.423892861811391"),
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mustParse("2020-May-31"): numeric.MustNewDecFromStr("0.533465387488328"),
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mustParse("2020-Jun-30"): numeric.MustNewDecFromStr("0.543077913165265"),
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mustParse("2020-Jul-31"): numeric.MustNewDecFromStr("0.552690438842203"),
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mustParse("2020-Aug-31"): numeric.MustNewDecFromStr("0.562302964519140"),
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mustParse("2020-Sep-30"): numeric.MustNewDecFromStr("0.571915490196078"),
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mustParse("2020-Oct-31"): numeric.MustNewDecFromStr("0.581528015873015"),
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mustParse("2020-Nov-30"): numeric.MustNewDecFromStr("0.688159365079364"),
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mustParse("2020-Dec-31"): numeric.MustNewDecFromStr("0.694830714285714"),
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// 2021
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mustParse("2021-Jan-31"): numeric.MustNewDecFromStr("0.701502063492063"),
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mustParse("2021-Feb-28"): numeric.MustNewDecFromStr("0.708173412698412"),
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mustParse("2021-Mar-31"): numeric.MustNewDecFromStr("0.714844761904761"),
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mustParse("2021-Apr-30"): numeric.MustNewDecFromStr("0.721516111111110"),
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mustParse("2021-May-31"): numeric.MustNewDecFromStr("0.772147460317459"),
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mustParse("2021-Jun-30"): numeric.MustNewDecFromStr("0.778818809523809"),
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mustParse("2021-Jul-31"): numeric.MustNewDecFromStr("0.785490158730158"),
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mustParse("2021-Aug-31"): numeric.MustNewDecFromStr("0.792161507936507"),
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mustParse("2021-Sep-30"): numeric.MustNewDecFromStr("0.798832857142856"),
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mustParse("2021-Oct-31"): numeric.MustNewDecFromStr("0.805504206349205"),
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mustParse("2021-Nov-30"): numeric.MustNewDecFromStr("0.856135555555555"),
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mustParse("2021-Dec-31"): numeric.MustNewDecFromStr("0.862806904761904"),
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// 2022
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mustParse("2022-Jan-31"): numeric.MustNewDecFromStr("0.869478253968253"),
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mustParse("2022-Feb-28"): numeric.MustNewDecFromStr("0.876149603174602"),
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mustParse("2022-Mar-31"): numeric.MustNewDecFromStr("0.882820952380951"),
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mustParse("2022-Apr-30"): numeric.MustNewDecFromStr("0.889492301587301"),
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mustParse("2022-May-31"): numeric.MustNewDecFromStr("0.896163650793650"),
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mustParse("2022-Jun-30"): numeric.MustNewDecFromStr("0.902834999999999"),
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mustParse("2022-Jul-31"): numeric.MustNewDecFromStr("0.909506349206348"),
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mustParse("2022-Aug-31"): numeric.MustNewDecFromStr("0.916177698412697"),
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mustParse("2022-Sep-30"): numeric.MustNewDecFromStr("0.922849047619047"),
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mustParse("2022-Oct-31"): numeric.MustNewDecFromStr("0.929520396825396"),
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mustParse("2022-Nov-30"): numeric.MustNewDecFromStr("0.936191746031745"),
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mustParse("2022-Dec-31"): numeric.MustNewDecFromStr("0.942863095238094"),
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// 2023
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mustParse("2023-Jan-31"): numeric.MustNewDecFromStr("0.944833333333332"),
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mustParse("2023-Feb-28"): numeric.MustNewDecFromStr("0.946803571428570"),
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mustParse("2023-Mar-31"): numeric.MustNewDecFromStr("0.948773809523808"),
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mustParse("2023-Apr-30"): numeric.MustNewDecFromStr("0.950744047619047"),
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mustParse("2023-May-31"): numeric.MustNewDecFromStr("0.952714285714285"),
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mustParse("2023-Jun-30"): numeric.MustNewDecFromStr("0.954684523809523"),
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mustParse("2023-Jul-31"): numeric.MustNewDecFromStr("0.956654761904761"),
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mustParse("2023-Aug-31"): numeric.MustNewDecFromStr("0.958624999999999"),
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mustParse("2023-Sep-30"): numeric.MustNewDecFromStr("0.960595238095237"),
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mustParse("2023-Oct-31"): numeric.MustNewDecFromStr("0.962565476190475"),
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mustParse("2023-Nov-30"): numeric.MustNewDecFromStr("0.964535714285713"),
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mustParse("2023-Dec-31"): numeric.MustNewDecFromStr("0.966505952380951"),
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// 2024
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mustParse("2024-Jan-31"): numeric.MustNewDecFromStr("0.968476190476189"),
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mustParse("2024-Feb-29"): numeric.MustNewDecFromStr("0.970446428571428"),
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mustParse("2024-Mar-31"): numeric.MustNewDecFromStr("0.972416666666666"),
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mustParse("2024-Apr-30"): numeric.MustNewDecFromStr("0.974386904761904"),
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mustParse("2024-May-31"): numeric.MustNewDecFromStr("0.976357142857142"),
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mustParse("2024-Jun-30"): numeric.MustNewDecFromStr("0.978327380952380"),
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mustParse("2024-Jul-31"): numeric.MustNewDecFromStr("0.980297619047618"),
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mustParse("2024-Aug-31"): numeric.MustNewDecFromStr("0.982267857142856"),
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mustParse("2024-Sep-30"): numeric.MustNewDecFromStr("0.984238095238094"),
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mustParse("2024-Oct-31"): numeric.MustNewDecFromStr("0.986208333333332"),
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mustParse("2024-Nov-30"): numeric.MustNewDecFromStr("0.988178571428570"),
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mustParse("2024-Dec-31"): numeric.MustNewDecFromStr("0.990148809523809"),
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// 2025
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mustParse("2025-Jan-31"): numeric.MustNewDecFromStr("0.992119047619047"),
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mustParse("2025-Feb-28"): numeric.MustNewDecFromStr("0.994089285714285"),
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mustParse("2025-Mar-31"): numeric.MustNewDecFromStr("0.996059523809523"),
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mustParse("2025-Apr-30"): numeric.MustNewDecFromStr("0.998029761904761"),
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mustParse("2025-May-31"): numeric.MustNewDecFromStr("1.000000000000000"),
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}
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sorted = func() []pair {
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s := []pair{}
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for k, v := range releasePlan {
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s = append(s, pair{k, v})
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}
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sort.SliceStable(
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s,
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func(i, j int) bool { return s[i].ts < s[j].ts },
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)
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return s
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}()
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)
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func mustParse(ts string) int64 {
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const shortForm = "2006-Jan-02"
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t, err := time.Parse(shortForm, ts)
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if err != nil {
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panic("could not parse timestamp")
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}
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return t.Unix()
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}
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// PercentageForTimeStamp ..
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func PercentageForTimeStamp(ts int64) numeric.Dec {
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bucket := pair{}
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i, j := 0, 1
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for range sorted {
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if i == (len(sorted) - 1) {
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if ts < sorted[0].ts {
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bucket = sorted[0]
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} else {
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bucket = sorted[i]
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}
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break
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}
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if ts >= sorted[i].ts && ts < sorted[j].ts {
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bucket = sorted[i]
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break
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}
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i++
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j++
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}
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return bucket.share
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}
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