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#= require jquery-1.8.2.min.js
#= require moment.min.js
#= require qr.js
#= require bootstrap.min.js
g = exports ? this
$(->
g.websocket = null
g.user = $('#user').val()
g.title = get('title')
g.address = get('address')
g.commission = get('commission')
g.logo = get('logo')
g.exchange = 0
setupPage()
setupQR()
setupSocket()
if user? and user
$.getJSON(user + '.json', (data) ->
g.title = data.name
g.address = data.address
g.commission = data.commission
g.logo = data.logo
setupPage()
)
$('#amount').keyup(updateTotal)
$('#amount').focus()
$('#amount').focus(->
$('#received').hide()
$('#payment').fadeIn('slow')
$(this).val('')
updateTotal()
)
)
updateTotal = ->
amount = parseFloat($('#amount').val())
total = amount / g.exchange
total = Math.ceil(total * 10000) / 10000
unless $.isNumeric(total)
total = ''
$('#total').html(total.toString())
displayQR('bitcoin:' + g.address + '?amount=' + total.toString())
exchangeFail = ->
$('#error').show().html("Error fetching exchange rate")
$('#calculator').hide()
fetchExchangeRate = ->
$.getJSON('ticker')
.success((data) ->
unless data?
exchangeFail()
return
exchange = 1000 / data.out
exchange = exchange - exchange * commission * 0.01
g.exchange = Math.ceil(exchange * 100) / 100
$('#exchange').val(g.exchange.toFixed(2))
updateTotal()
$('#error').hide()
$('#calculator').fadeIn('slow')
).error(exchangeFail)
setTimeout(fetchExchangeRate, 900000)
setupPage = ->
unless g.address
g.address = '1VAnbtCAnYccECnjaMCPnWwt81EHCVgNr'
unless g.commission
g.commission = 3
if g.logo
$('#logo').attr('src', g.logo).show()
else
$('#title').html(title).show()
$('#address').html(g.address)
$('#received').hide()
fetchExchangeRate()
setupSocket = ->
setTimeout(setupSocket, 10000)
unless g.websocket and g.websocket.readyState is 1
g.websocket = new WebSocket("ws://api.blockchain.info:8335/inv")
g.websocket.onopen = ->
g.websocket.send('{"op":"addr_sub", "addr":"' + g.address + '"}')
g.websocket.onerror = g.websocket.onclose = ->
$('#calculator').hide()
$('#error').show().html("Error connecting to payment server")
g.websocket.onmessage = (e) ->
results = eval('(' + e.data + ')')
from_address = ''
total = 0
received = 0
$.each(results.x.out, (i, v) ->
if (v.addr == g.address)
received += v.value / 100000000
)
$.each(results.x.inputs, (i, v) ->
from_address = v.prev_out.addr
if (v.prev_out.addr == g.address)
input -= v.prev_out.value / 100000000
)
if (total <= received)
$('#amount').blur()
$('#payment').hide()
$('#received').fadeIn('slow')
$.post("/#{g.user}/transactions",
address: from_address,
date: moment().format("YYYY-MM-DD HH:mm:ss"),
received: received,
exchange: g.exchange
)
get = (name) ->
name = name.replace(/[\[]/, "\\\[").replace(/[\]]/, "\\\]")
regexS = "[\\?&]" + name + "=([^&#]*)"
regex = new RegExp(regexS)
results = regex.exec(window.location.search)
if (results == null)
return ""
else
return decodeURIComponent(results[1].replace(/\+/g, " "))
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