- expiry_str = new Date(invoice.expires_at*1000).toUTCString()

if invoice.status == 'expired'
  h3 Invoice expired
  p Please go back and try again.

else
  .checkout
    h3 Pay with Lightning
    if invoice.quoted_currency && invoice.quoted_currency != 'BTC'
      h4 #[strong= invoice.quoted_amount] #{invoice.quoted_currency} ≈ #[strong= msat2milli(invoice.msatoshi)] mBTC
    else
      h4 #[strong= msat2milli(invoice.msatoshi)] mBTC
    .row
      .pay.col-sm-8
        pre= invoice.payreq

        p.small.text-muted
          noscript Your browser has JavaScript turned off. Please refresh the page manually after making the payment.
          span.yesscript #[img(src='_assets/loader.gif', alt='loading')] Awaiting payment.
          |  The invoice expires #[span(data-countdown-to=invoice.expires_at, title=expiry_str) at #{ expiry_str  }].

        p: a.btn.btn-lg.btn-primary(href=`lightning:${invoice.payreq}`) Pay now

      .qr.col-sm-4.mb-3: img(src=qruri(('lightning:'+invoice.payreq).toUpperCase(), { margin: 0 }))

  //- long-pull payment updates via <img> reloading hack. not the prettiest, but extremely terse, and it works
  img.d-none(src='_invoice/'+invoice.id+'/longpoll.png', onerror='this.src=this.src', onload='location.reload()')
  script(src='_assets/countdown.js')