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260 lines
6.3 KiB
Go
260 lines
6.3 KiB
Go
package views
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import (
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"fmt"
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"github.com/jroimartin/gocui"
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"golang.org/x/text/language"
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"golang.org/x/text/message"
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netModels "github.com/edouardparis/lntop/network/models"
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"github.com/edouardparis/lntop/ui/color"
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"github.com/edouardparis/lntop/ui/models"
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)
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const (
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CHANNEL = "channel"
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CHANNEL_HEADER = "channel_header"
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CHANNEL_FOOTER = "channel_footer"
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)
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type Channel struct {
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view *gocui.View
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channels *models.Channels
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}
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func (c Channel) Name() string {
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return CHANNEL
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}
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func (c Channel) Empty() bool {
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return c.channels == nil
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}
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func (c *Channel) Wrap(v *gocui.View) View {
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c.view = v
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return c
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}
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func (c Channel) Origin() (int, int) {
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return c.view.Origin()
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}
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func (c Channel) Cursor() (int, int) {
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return c.view.Cursor()
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}
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func (c Channel) Speed() (int, int, int, int) {
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return 1, 1, 1, 1
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}
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func (c Channel) Limits() (pageSize int, fullSize int) {
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_, pageSize = c.view.Size()
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fullSize = len(c.view.BufferLines()) - 1
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return
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}
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func (c *Channel) SetCursor(x, y int) error {
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return c.view.SetCursor(x, y)
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}
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func (c *Channel) SetOrigin(x, y int) error {
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return c.view.SetOrigin(x, y)
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}
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func (c *Channel) Set(g *gocui.Gui, x0, y0, x1, y1 int) error {
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header, err := g.SetView(CHANNEL_HEADER, x0-1, y0, x1+2, y0+2)
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if err != nil {
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if err != gocui.ErrUnknownView {
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return err
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}
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}
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header.Frame = false
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header.BgColor = gocui.ColorGreen
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header.FgColor = gocui.ColorBlack | gocui.AttrBold
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header.Clear()
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fmt.Fprintln(header, "Channel")
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v, err := g.SetView(CHANNEL, x0-1, y0+1, x1+2, y1-1)
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if err != nil {
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if err != gocui.ErrUnknownView {
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return err
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}
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}
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v.Frame = false
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c.view = v
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c.display()
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footer, err := g.SetView(CHANNEL_FOOTER, x0-1, y1-2, x1, y1)
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if err != nil {
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if err != gocui.ErrUnknownView {
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return err
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}
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}
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footer.Frame = false
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footer.BgColor = gocui.ColorCyan
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footer.FgColor = gocui.ColorBlack
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footer.Clear()
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blackBg := color.Black(color.Background)
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fmt.Fprintf(footer, "%s%s %s%s %s%s %s%s\n",
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blackBg("F2"), "Menu",
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blackBg("Enter"), "Channels",
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blackBg("C"), "Get disabled",
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blackBg("F10"), "Quit",
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)
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return nil
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}
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func (c Channel) Delete(g *gocui.Gui) error {
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err := g.DeleteView(CHANNEL_HEADER)
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if err != nil {
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return err
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}
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err = g.DeleteView(CHANNEL)
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if err != nil {
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return err
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}
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return g.DeleteView(CHANNEL_FOOTER)
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}
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func printPolicy(v *gocui.View, p *message.Printer, policy *netModels.RoutingPolicy, outgoing bool) {
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green := color.Green()
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cyan := color.Cyan()
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red := color.Red()
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fmt.Fprintln(v, "")
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direction := "Outgoing"
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if !outgoing {
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direction = "Incoming"
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}
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fmt.Fprintf(v, green(" [ %s Policy ]\n"), direction)
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if policy.Disabled {
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fmt.Fprintln(v, red("disabled"))
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}
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fmt.Fprintf(v, "%s %d\n",
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cyan(" Time lock delta:"), policy.TimeLockDelta)
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fmt.Fprintf(v, "%s %s\n",
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cyan(" Min htlc (msat):"), formatAmount(policy.MinHtlc))
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fmt.Fprintf(v, "%s %s\n",
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cyan(" Max htlc (sat):"), formatAmount(int64(policy.MaxHtlc/1000)))
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fmt.Fprintf(v, "%s %s\n",
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cyan(" Fee base msat:"), formatAmount(policy.FeeBaseMsat))
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fmt.Fprintf(v, "%s %d\n",
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cyan(" Fee rate milli msat:"), policy.FeeRateMilliMsat)
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}
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func formatAmount(amt int64) string {
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btc := amt / 1e8
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ms := amt % 1e8 / 1e6
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ts := amt % 1e6 / 1e3
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s := amt % 1e3
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if btc > 0 {
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return fmt.Sprintf("%d.%02d,%03d,%03d", btc, ms, ts, s)
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}
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if ms > 0 {
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return fmt.Sprintf("%d,%03d,%03d", ms, ts, s)
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}
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if ts > 0 {
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return fmt.Sprintf("%d,%03d", ts, s)
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}
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if s >= 0 {
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return fmt.Sprintf("%d", s)
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}
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return fmt.Sprintf("error: %d", amt)
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}
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func formatDisabledCount(cnt int, total uint32) string {
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perc := uint32(cnt) * 100 / total
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disabledStr := ""
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if perc >= 25 && perc < 50 {
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disabledStr = color.Yellow(color.Bold)(fmt.Sprintf("%4d", cnt))
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} else if perc >= 50 {
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disabledStr = color.Red(color.Bold)(fmt.Sprintf("%4d", cnt))
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} else {
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disabledStr = fmt.Sprintf("%4d", cnt)
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}
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return fmt.Sprintf("%s / %d (%d%%)", disabledStr, total, perc)
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}
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func (c *Channel) display() {
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p := message.NewPrinter(language.English)
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v := c.view
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v.Clear()
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channel := c.channels.Current()
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green := color.Green()
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cyan := color.Cyan()
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fmt.Fprintln(v, green(" [ Channel ]"))
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fmt.Fprintf(v, "%s %s\n",
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cyan(" Status:"), status(channel))
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fmt.Fprintf(v, "%s %d (%s)\n",
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cyan(" ID:"), channel.ID, ToScid(channel.ID))
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fmt.Fprintf(v, "%s %s\n",
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cyan(" Capacity:"), formatAmount(channel.Capacity))
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fmt.Fprintf(v, "%s %s\n",
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cyan(" Local Balance:"), formatAmount(channel.LocalBalance))
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fmt.Fprintf(v, "%s %s\n",
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cyan(" Remote Balance:"), formatAmount(channel.RemoteBalance))
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fmt.Fprintf(v, "%s %s\n",
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cyan(" Channel Point:"), channel.ChannelPoint)
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fmt.Fprintln(v, "")
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fmt.Fprintln(v, green(" [ Node ]"))
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fmt.Fprintf(v, "%s %s\n",
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cyan(" PubKey:"), channel.RemotePubKey)
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if channel.Node != nil {
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alias, forced := channel.ShortAlias()
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if forced {
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alias = cyan(alias)
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}
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fmt.Fprintf(v, "%s %s\n",
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cyan(" Alias:"), alias)
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fmt.Fprintf(v, "%s %s\n",
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cyan(" Total Capacity:"), formatAmount(channel.Node.TotalCapacity))
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fmt.Fprintf(v, "%s %d\n",
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cyan(" Total Channels:"), channel.Node.NumChannels)
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if c.channels.CurrentNode != nil && c.channels.CurrentNode.PubKey == channel.RemotePubKey {
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disabledOut := 0
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disabledIn := 0
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for _, ch := range c.channels.CurrentNode.Channels {
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if ch.LocalPolicy != nil && ch.LocalPolicy.Disabled {
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disabledOut++
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}
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if ch.RemotePolicy != nil && ch.RemotePolicy.Disabled {
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disabledIn++
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}
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}
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fmt.Fprintf(v, "\n %s %s\n", cyan("Disabled from node:"), formatDisabledCount(disabledOut, channel.Node.NumChannels))
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fmt.Fprintf(v, " %s %s\n", cyan("Disabled to node: "), formatDisabledCount(disabledIn, channel.Node.NumChannels))
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}
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}
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if channel.LocalPolicy != nil {
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printPolicy(v, p, channel.LocalPolicy, true)
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}
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if channel.RemotePolicy != nil {
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printPolicy(v, p, channel.RemotePolicy, false)
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}
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if len(channel.PendingHTLC) > 0 {
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fmt.Fprintln(v)
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fmt.Fprintln(v, green(" [ Pending HTLCs ]"))
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for _, htlc := range channel.PendingHTLC {
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fmt.Fprintf(v, "%s %t\n",
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cyan(" Incoming:"), htlc.Incoming)
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fmt.Fprintf(v, "%s %s\n",
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cyan(" Amount:"), formatAmount(htlc.Amount))
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fmt.Fprintf(v, "%s %d\n",
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cyan(" Expiration:"), htlc.ExpirationHeight)
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fmt.Fprintln(v)
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}
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}
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}
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func NewChannel(channels *models.Channels) *Channel {
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return &Channel{channels: channels}
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}
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