refactor js dependencies

js/paymentCycle.js

@@ -0,0 +1,158 @@
+/***
+ * Payment Cycle Generator
+ *
+ * @param gov
+ * @constructor
+ */
+function PaymentCycle(gov) {
+    var self = this;
+
+    this.network = gov.network;
+    this.paymentCycle = 16616; // mainnet
+    this.budgetCycles = 24;
+
+    if (this.network == 'testnet') this.paymentCycle = 24;
+    if (this.network == 'testnet') this.budgetCycles = 96;
+
+    this.blockHeight = null;
+
+    this.Messages = {
+        paymentCycle: {
+            months: "Months",
+            month: "Month",
+            days: "Days",
+            day: "Day",
+            hours: "Hours",
+            hour: "Hour",
+            minutes: "Minutes",
+            minute: "Minute",
+            seconds: "Seconds",
+            second: "Second"
+        }
+    };
+
+    this.getInfo(function(err,res) {
+        console.log("current blockheight: " + res.info.blocks);
+
+        self.blockHeight = res.info.blocks;
+    });
+}
+
+PaymentCycle.prototype.getNextSuperblock = function(block) {
+    return (Math.floor((block/this.paymentCycle)) * this.paymentCycle + this.paymentCycle);
+};
+
+PaymentCycle.prototype.getBlockTimestamp = function(block) {
+    var blocks = block - this.blockHeight;
+    var now = Math.floor(Date.now());
+
+    return (now + (blocks * (155 * 1000))); // 155 seconds per block x 1000 = ms per block
+};
+
+PaymentCycle.prototype.getTimeDifference = function(opts, start, end) {
+
+    var precision = opts.precision;
+
+    var millisec = end - start;
+
+    var seconds = (millisec / 1000).toFixed(precision);
+
+    var minutes = (millisec / (1000 * 60)).toFixed(precision);
+
+    var hours = (millisec / (1000 * 60 * 60)).toFixed(precision);
+
+    var days = (millisec / (1000 * 60 * 60 * 24)).toFixed(precision);
+
+    var months = (millisec / (1000 * 60 * 60 * 24 * 30)).toFixed(precision);
+
+    if (seconds < 60) {
+        if (seconds <= 1) return seconds + " " + this.Messages.paymentCycle.second; // singular
+        return seconds + " " + this.Messages.paymentCycle.seconds;
+    } else if (minutes < 60) {
+        if (minutes <= 1) return minutes + " " + this.Messages.paymentCycle.minute; // singular
+        return minutes + " " + this.Messages.paymentCycle.minutes;
+    } else if (hours < 24) {
+        if (hours <= 1) return hours + " " + this.Messages.paymentCycle.hour; // singular
+        return hours + " " + this.Messages.paymentCycle.hours;
+    } else if (days < 30) {
+        if (days <= 1) return days + " " + this.Messages.paymentCycle.day; // singular
+        return days + " " + this.Messages.paymentCycle.days;
+    } else {
+        if (months <= 1) return months + " " + this.Messages.paymentCycle.month; // singular
+        return months + " " + this.Messages.paymentCycle.months;
+    }
+};
+
+PaymentCycle.prototype.updateDropdowns = function() {
+    var self = this;
+
+    var blockHeight = this.blockHeight;
+
+    var startDate = [];
+    var endDate = [];
+
+    for (i = 0; i < this.budgetCycles + 1; i++) {
+
+        var superblock = this.getNextSuperblock(blockHeight);
+        var timestamp = this.getBlockTimestamp(superblock);
+
+        var label = new Date(timestamp).toLocaleDateString();
+        if (this.network == 'testnet') label = new Date(timestamp).toLocaleString();
+
+        var superblockDate = {
+            superblock: superblock,
+            timestamp: timestamp,
+            label: label
+        };
+        startDate.push(superblockDate);
+        endDate.push(superblockDate);
+
+        blockHeight = superblock;
+
+    }
+
+    endDate.shift(); // remove first element of endDate
+    startDate.pop(); // remove last element of startDate to keep length even
+
+    var now = Math.floor(Date.now());
+
+    var opts = {
+        precision: 2
+    }; // 2 unit of precision for eta formatting
+
+    // calculate the amount of time between start and stop, show: e.g. 5 Months or 5 Hours
+
+    var start_epoch = $("#start_epoch");
+    start_epoch.find('option').remove();
+    $.each(startDate, function(index) {
+
+        var eta = self.getTimeDifference(opts, now, this.timestamp);
+        var time = this.timestamp - now;
+        var option = $("<option />").val((Math.floor(this.timestamp / 1000))).text(this.label).attr('data-index', index).attr('data-time', time).attr('data-eta', eta).attr('data-block', this.superblock);
+        start_epoch.append(option);
+
+    });
+
+
+    opts.precision = null; // 0 units of precision for eta formatting
+
+    var end_epoch = $("#end_epoch");
+    end_epoch.find('option').remove();
+    $.each(endDate, function(index) {
+
+        var eta = self.getTimeDifference(opts, startDate[0].timestamp, this.timestamp);
+        var time = this.timestamp - startDate[0].timestamp;
+
+        var option = $("<option />").val((Math.floor(this.timestamp / 1000))).text(eta + " (" + this.label + ")").attr('data-index', index).attr('data-time', time).attr('data-eta', eta).attr('data-block', this.superblock);
+        end_epoch.append(option);
+
+    });
+
+
+};
+
+PaymentCycle.prototype.getInfo = function(cb) {
+    $.getJSON(provider + "insight-api-dash/status?q=getinfo", function( data ) {
+        cb(null, data);
+    });
+};