diff options
Diffstat (limited to 'public/js/calculator.js')
| -rw-r--r-- | public/js/calculator.js | 231 |
1 files changed, 231 insertions, 0 deletions
diff --git a/public/js/calculator.js b/public/js/calculator.js new file mode 100644 index 00000000..88fcbd22 --- /dev/null +++ b/public/js/calculator.js @@ -0,0 +1,231 @@ +(function() { + var ADDRESS_FAIL, EXCHANGE_FAIL, SOCKET_FAIL, activateTip, clear, fail, fetchExchangeRate, finalize, g, get, setup, setupSocket, tip, updateTotal; + + EXCHANGE_FAIL = "Error fetching exchange rate"; + + SOCKET_FAIL = "Error connecting to payment server"; + + ADDRESS_FAIL = "Invalid address"; + + tip = 1; + + g = typeof exports !== "undefined" && exports !== null ? exports : this; + + $(function() { + g.user = $('#user').val(); + g.title = get('title'); + g.address = get('address'); + g.symbol = get('symbol'); + g.currency = get('currency'); + g.commission = parseFloat(get('commission')); + g.logo = get('logo'); + g.errors = []; + g.receivable = 0; + if (g.user) { + $.ajax({ + url: g.user + '.json', + dataType: 'json', + success: function(data) { + if (data != null) { + g.title = data.title; + g.address = data.address; + g.currency = data.currency; + g.symbol = data.symbol; + g.commission = data.commission; + g.logo = data.logo; + } + return setup(); + } + }); + } else { + setup(); + } + $('#tip button').click(function() { + var value; + value = $(this).html().slice(0, -1); + $(this).siblings().css('font-weight', 'normal').removeClass('active'); + $(this).css('font-weight', 'bold'); + tip = 1 + (parseFloat(value) / 100); + return updateTotal(); + }); + $('#tip button').first().click(); + $('#amount').keyup(updateTotal); + return $('#amount').focus(function() { + $('#received').hide(); + $('#payment').fadeIn('slow'); + $(this).val(''); + return updateTotal(); + }); + }); + + activateTip = function(p) {}; + + setup = function() { + var address; + g.address || (g.address = ''); + g.commission || (g.commission = 0); + g.symbol || (g.symbol = 'quadrigacx'); + if (g.title) { + $('#title').html(g.title).show(); + } + if (g.logo) { + $('#logo').attr('src', g.logo).show(); + } else if (!g.title) { + $('#logo').attr('src', 'img/bitcoin.png').show(); + } + $('#logo').click(function() { + return $(location).attr("href", "/" + g.user + "/edit"); + }); + address = g.address; + if ((g.user != null) && g.user) { + address = "<a href='http://blockchain.info/address/" + address + "'>" + address + "</a>"; + } + if (check_address(g.address)) { + $('#address').html(address); + } else { + fail(ADDRESS_FAIL); + } + $('#symbol').html(g.symbol + " bid"); + $('#currency').html(g.currency); + $('#received').hide(); + return fetchExchangeRate(); + }; + + fetchExchangeRate = function() { + $.ajax({ + url: "ticker?currency=" + g.currency + "&symbol=" + g.symbol + "&type=bid", + success: function(exchange) { + if (exchange != null) { + clear(EXCHANGE_FAIL); + } else { + fail(EXCHANGE_FAIL); + return; + } + if (!g.setupComplete) { + finalize(); + } + g.exchange = exchange - exchange * g.commission * 0.01; + $('#exchange').val(g.exchange.toFixed(2)); + return updateTotal(); + }, + error: function() { + return fail(EXCHANGE_FAIL); + } + }); + return setTimeout(fetchExchangeRate, 900000); + }; + + finalize = function() { + $('#amount').focus(); + return g.setupComplete = true; + }; + + setupSocket = function() { + setTimeout(setupSocket, 10000); + if (!(g.websocket && g.websocket.readyState === 1)) { + g.websocket = new WebSocket("wss://ws.blockchain.info/inv"); + g.websocket.onopen = function() { + return g.websocket.send('{"op":"addr_sub", "addr":"' + g.address + '"}'); + }; + g.websocket.onerror = function() { + g.websocket = null; + return fail(SOCKET_FAIL); + }; + g.websocket.onclose = function() { + return setupSocket(); + }; + return g.websocket.onmessage = function(e) { + var from_address, received, results; + results = eval('(' + e.data + ')'); + from_address = ''; + received = 0; + $.each(results.x.out, function(i, v) { + if (v.addr === g.address) { + return received += v.value / 100000000; + } + }); + $.each(results.x.inputs, function(i, v) { + from_address = v.prev_out.addr; + if (v.prev_out.addr === g.address) { + return input -= v.prev_out.value / 100000000; + } + }); + if (g.receivable <= received) { + $('#amount').blur(); + $('#payment').hide(); + $('#received').fadeIn('slow'); + } + if (g.user) { + return $.post("/" + g.user + "/transactions", { + address: from_address, + date: moment().format("YYYY-MM-DD HH:mm:ss"), + received: received, + exchange: g.exchange + }); + } + }; + } + }; + + updateTotal = function() { + var amount, total; + amount = parseFloat($('#amount').val() * tip); + total = (amount * 1000 / g.exchange).toFixed(5); + g.receivable = (amount / g.exchange).toFixed(8); + if (!$.isNumeric(total)) { + total = ''; + } + $('#total').html(total.toString()); + $('#qr').html(''); + return new QRCode('qr', "bitcoin:" + g.address + "?amount=" + (g.receivable.toString())); + }; + + fail = function(msg) { + g.errors.push(msg); + g.errors = g.errors.uniq(); + $('#calculator').hide(); + return $('#error').show().html(g.errors.toString()); + }; + + clear = function(msg) { + var i; + i = g.errors.indexOf(msg); + if (i >= 0) { + g.errors.splice(i, 1); + } + if (g.errors.length > 0) { + return $('#error').show().html(g.errors.toString()); + } else { + $('#error').hide(); + return $('#calculator').fadeIn('slow'); + } + }; + + get = function(name) { + var regex, regexS, results; + 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, " ")); + } + }; + + Array.prototype.uniq = function() { + var key, output, value, _i, _ref, _results; + output = {}; + for (key = _i = 0, _ref = this.length; 0 <= _ref ? _i < _ref : _i > _ref; key = 0 <= _ref ? ++_i : --_i) { + output[this[key]] = this[key]; + } + _results = []; + for (key in output) { + value = output[key]; + _results.push(value); + } + return _results; + }; + +}).call(this); |