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#= require js/jquery-1.8.2.min.js
#= require js/moment.min.js
#= require js/qrcode.js
#= require js/bootstrap.min.js
#= require js/2.5.3-crypto-sha256.js
#= require js/jsbn.js
#= require js/jsbn2.js
#= require js/bitcoinjs-min.js
#= require js/bitcoinjs-min-1.0.2.js
#= require js/sha512.js
#= require js/modsqrt.js
#= require js/rfc1751.js
EXCHANGE_FAIL = "Problem fetching exchange rate"
SOCKET_FAIL = "Problem connecting to payment server, notifications may not appear"
ADDRESS_FAIL = "Invalid address"
g = exports ? this
g.errors = []
g.amount_requested = 0
g.tip = 1
$(->
$.ajax(
url: $('#user').val() + '.json',
dataType: 'json',
success: (data) ->
g.user = data
setup()
)
$('#tip button').click(->
value = $(this).html().slice(0, -1)
$(this).siblings().css('font-weight','normal').removeClass('active')
$(this).css('font-weight','bold')
g.tip = 1 + (parseFloat(value)/100)
updateTotal()
)
$('#amount').keyup(updateTotal)
$('#amount').focus(->
$('#received').hide()
$('#payment').fadeIn('slow')
$(this).val('')
updateTotal()
)
$('#received').click(-> window.location = "/#{g.user.username}/report")
)
setup = ->
g.user.address or= ''
g.user.commission or= 0
g.user.currency or= 'CAD'
g.user.symbol or= 'quadrigacx'
g.user.unit or= 'BTC'
if g.user.title
$('#title').html("<a href='/#{g.user.username}/edit'>#{g.user.title}</a>").show()
if g.user.logo
ext = g.user.logo.substr(g.user.logo.length - 3)
src = "/assets/img/logos/#{g.user.username}.#{ext}"
$('#logo').attr('src', src).show()
getAddress()
$('#symbol').html(g.user.currency)
$('#currency').html(g.user.currency)
$('#unit').html(g.user.unit)
$('#received').hide()
$('#tip button').first().click()
fetchExchangeRate()
listen()
fetchExchangeRate = ->
$.ajax(
url: "ticker?currency=#{g.user.currency}&symbol=#{g.user.symbol}&type=bid",
success: (exchange) ->
if exchange?
clear(EXCHANGE_FAIL)
else
fail(EXCHANGE_FAIL)
return
g.exchange = (exchange - exchange * g.user.commission * 0.01).toFixed(2)
$('#exchange').html(g.exchange)
updateTotal()
unless g.setupComplete
$('#amount').focus()
g.setupComplete = true
error: -> fail(EXCHANGE_FAIL)
)
setTimeout(fetchExchangeRate, 900000)
updateTotal = ->
precision = 9 - multiplier().toString().length
amount = parseFloat($('#amount').val() * g.tip)
total = (amount * multiplier() / g.exchange).toFixed(precision)
g.amount_requested = (amount / g.exchange).toFixed(8)
unless $.isNumeric(total)
total = ''
$('#total').html(total.toString())
$('#qr').html('')
new QRCode('qr', text: "bitcoin:#{g.user.address}?amount=#{g.amount_requested.toString()}", width: 280, height: 280)
listen = ->
g.attempts++
if g.blockchain and g.blockchain.readyState is 1
setTimeout(listen, 12000)
else
fail(SOCKET_FAIL) if g.attempts > 3
g.blockchain = new WebSocket("wss://ws.blockchain.info/inv")
g.blockchain.onopen = ->
if g.blockchain.readyState is 1
g.attempts = 0
clear(SOCKET_FAIL)
g.blockchain.send('{"op":"addr_sub", "addr":"' + g.user.address + '"}')
else
setTimeout(g.blockchain.onopen, 12000)
g.blockchain.onerror = ->
fail(SOCKET_FAIL)
g.blockchain.close()
delete g.blockchain
listen()
g.blockchain.onclose = ->
delete g.blockchain
listen()
g.blockchain.onmessage = (e) ->
results = eval('(' + e.data + ')')
amount = 0
txid = results.x.hash
return if txid == g.last
g.last = txid
$.each(results.x.out, (i, v) ->
if (v.addr == g.user.address)
amount += v.value / 100000000
)
logTransaction(txid, amount)
logTransaction = (txid, amount) ->
if $('#received').is(":hidden") and amount >= g.amount_requested
$('#amount').blur()
$('#payment').hide()
$('#received').fadeIn('slow')
$('#success')[0].play()
g.user.index++
$.post("/#{g.user.username}/transactions",
txid: txid,
address: g.user.address,
date: moment().format("YYYY-MM-DD HH:mm:ss"),
received: amount,
exchange: g.exchange
)
getAddress()
getAddress = ->
try
bitcoin.Address.fromBase58Check(g.user.pubkey)
g.user.address = g.user.pubkey
catch
try
master = bitcoin.HDNode.fromBase58(g.user.pubkey)
child = master.derive(0).derive(g.user.index)
g.user.address = child.pubKey.getAddress().toString()
g.blockchain.close() if g.blockchain
listen()
catch
fail(ADDRESS_FAIL)
s = """
<a href='/#{g.user.username}/report'>#{g.user.address}</a>
<a href='http://blockchain.info/address/#{g.user.address}' target='_blank'>
<img src='/assets/img/blockchain.png' />
</a>
"""
$('#address').html(s)
fail = (msg) ->
g.errors.push(msg)
g.errors = g.errors.uniq()
$('#error').show().html(g.errors.toString())
clear = (msg) ->
i = g.errors.indexOf(msg)
g.errors.splice(i, 1) if i >= 0
if (g.errors.length > 0)
$('#error').show().html(g.errors.toString())
else
$('#error').hide()
$('#calculator').fadeIn('slow')
Array::uniq = ->
output = {}
output[@[key]] = @[key] for key in [0...@length]
value for key, value of output
multiplier = ->
switch g.user.unit
when 'BTC' then 1
when 'mBTC' then 1000
when 'µBTC' then 1000000
when 'bits' then 1000000
when 'satoshis' then 100000000
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