mirror of
https://github.com/ditatompel/xmr-remote-nodes.git
synced 2024-12-22 11:39:23 +00:00
108 lines
2.9 KiB
Go
108 lines
2.9 KiB
Go
package utils
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import (
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"fmt"
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"math"
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"strconv"
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"time"
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)
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// TimeSince converts an int64 timestamp to a relative time string
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func TimeSince(timestamp int64) string {
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var duration time.Duration
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var suffix string
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t := time.Unix(timestamp, 0)
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if t.After(time.Now()) {
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duration = time.Until(t)
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suffix = "from now"
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} else {
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duration = time.Since(t)
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suffix = "ago"
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}
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switch {
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case duration < time.Minute:
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return fmt.Sprintf("%ds %s", int(duration.Seconds()), suffix)
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case duration < time.Hour:
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return fmt.Sprintf("%dm %s", int(duration.Minutes()), suffix)
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case duration < time.Hour*24:
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return fmt.Sprintf("%dh %s", int(duration.Hours()), suffix)
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case duration < time.Hour*24*7:
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return fmt.Sprintf("%dd %s", int(duration.Hours()/24), suffix)
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case duration < time.Hour*24*30:
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return fmt.Sprintf("%dw %s", int(duration.Hours()/(24*7)), suffix)
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default:
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months := int(duration.Hours() / (24 * 30))
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if months == 1 {
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return fmt.Sprintf("1 month %s", suffix)
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}
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return fmt.Sprintf("%d months %s", months, suffix)
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}
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}
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// Convert the float to a string, trimming unnecessary zeros
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func FormatFloat(f float64) string {
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return strconv.FormatFloat(f, 'f', -1, 64)
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}
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// Formats bytes as a human-readable string with the specified number of decimal places.
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func FormatBytes(bytes, decimals int) string {
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if bytes == 0 {
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return "0 Bytes"
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}
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const k float64 = 1024
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sizes := []string{"Bytes", "KiB", "MiB", "GiB", "TiB", "PiB", "EiB", "ZiB", "YiB"}
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i := int(math.Floor(math.Log(float64(bytes)) / math.Log(k)))
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dm := decimals
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if dm < 0 {
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dm = 0
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}
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value := float64(bytes) / math.Pow(k, float64(i))
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return fmt.Sprintf("%.*f %s", dm, value, sizes[i])
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}
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// Formats a hash value (h) into human readable format.
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//
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// This function was adapted from jtgrassie/monero-pool project.
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// Source: https://github.com/jtgrassie/monero-pool/blob/master/src/webui-embed.html
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//
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// Copyright (c) 2018, The Monero Project
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func FormatHashes(h float64) string {
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switch {
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case h < 1e-12:
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return "0 H"
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case h < 1e-9:
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return fmt.Sprintf("%.0f pH", maxPrecision(h*1e12, 0))
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case h < 1e-6:
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return fmt.Sprintf("%.0f nH", maxPrecision(h*1e9, 0))
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case h < 1e-3:
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return fmt.Sprintf("%.0f μH", maxPrecision(h*1e6, 0))
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case h < 1:
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return fmt.Sprintf("%.0f mH", maxPrecision(h*1e3, 0))
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case h < 1e3:
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return fmt.Sprintf("%.0f H", h)
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case h < 1e6:
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return fmt.Sprintf("%.2f KH", maxPrecision(h*1e-3, 2))
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case h < 1e9:
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return fmt.Sprintf("%.2f MH", maxPrecision(h*1e-6, 2))
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default:
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return fmt.Sprintf("%.2f GH", maxPrecision(h*1e-9, 2))
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}
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}
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// Returns a number with a maximum precision.
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//
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// This function was adapted from jtgrassie/monero-pool project.
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// Source: https://github.com/jtgrassie/monero-pool/blob/master/src/webui-embed.html
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//
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// Copyright (c) 2018, The Monero Project
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func maxPrecision(n float64, p int) float64 {
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format := "%." + strconv.Itoa(p) + "f"
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result, _ := strconv.ParseFloat(fmt.Sprintf(format, n), 64)
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return result
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}
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