Dero Web Wallet initial commit

static/deps/FileSaver.js

@@ -0,0 +1,189 @@
+(function (global, factory) {
+  if (typeof define === "function" && define.amd) {
+    define([], factory);
+  } else if (typeof exports !== "undefined") {
+    factory();
+  } else {
+    var mod = {
+      exports: {}
+    };
+    factory();
+    global.FileSaver = mod.exports;
+  }
+})(this, function () {
+  "use strict";
+
+  /*
+  * FileSaver.js
+  * A saveAs() FileSaver implementation.
+  *
+  * By Eli Grey, http://eligrey.com
+  *
+  * License : https://github.com/eligrey/FileSaver.js/blob/master/LICENSE.md (MIT)
+  * source  : http://purl.eligrey.com/github/FileSaver.js
+  */
+  // The one and only way of getting global scope in all environments
+  // https://stackoverflow.com/q/3277182/1008999
+  var _global = function () {
+    // some use content security policy to disable eval
+    try {
+      return Function('return this')() || (42, eval)('this');
+    } catch (e) {
+      // every global should have circular reference
+      // used for checking if someone writes var window = {}; var self = {}
+      return typeof window === 'object' && window.window === window ? window : typeof self === 'object' && self.self === self ? self : typeof global === 'object' && global.global === global ? global : this;
+    }
+  }();
+
+  function bom(blob, opts) {
+    if (typeof opts === 'undefined') opts = {
+      autoBom: false
+    };else if (typeof opts !== 'object') {
+      console.warn('Depricated: Expected third argument to be a object');
+      opts = {
+        autoBom: !opts
+      };
+    } // prepend BOM for UTF-8 XML and text/* types (including HTML)
+    // note: your browser will automatically convert UTF-16 U+FEFF to EF BB BF
+
+    if (opts.autoBom && /^\s*(?:text\/\S*|application\/xml|\S*\/\S*\+xml)\s*;.*charset\s*=\s*utf-8/i.test(blob.type)) {
+      return new Blob([String.fromCharCode(0xFEFF), blob], {
+        type: blob.type
+      });
+    }
+
+    return blob;
+  }
+
+  function download(url, name, opts) {
+    var xhr = new XMLHttpRequest();
+    xhr.open('GET', url);
+    xhr.responseType = 'blob';
+
+    xhr.onload = function () {
+      saveAs(xhr.response, name, opts);
+    };
+
+    xhr.onerror = function () {
+      console.error('could not download file');
+    };
+
+    xhr.send();
+  }
+
+  function corsEnabled(url) {
+    var xhr = new XMLHttpRequest(); // use sync to avoid popup blocker
+
+    xhr.open('HEAD', url, false);
+    xhr.send();
+    return xhr.status >= 200 && xhr.status <= 299;
+  } // `a.click()` doesn't work for all browsers (#465)
+
+
+  function click(node) {
+    try {
+      node.dispatchEvent(new MouseEvent('click'));
+    } catch (e) {
+      var evt = document.createEvent('MouseEvents');
+      evt.initMouseEvent('click', true, true, window, 0, 0, 0, 80, 20, false, false, false, false, 0, null);
+      node.dispatchEvent(evt);
+    }
+  }
+
+  var saveAs = _global.saveAs || // probably in some web worker
+  typeof window !== 'object' || window !== _global ? function saveAs() {}
+  /* noop */
+  // Use download attribute first if possible (#193 Lumia mobile)
+  : 'download' in HTMLAnchorElement.prototype ? function saveAs(blob, name, opts) {
+    var URL = _global.URL || _global.webkitURL;
+    var a = document.createElement('a');
+    name = name || blob.name || 'download';
+    a.download = name;
+    a.rel = 'noopener'; // tabnabbing
+    // TODO: detect chrome extensions & packaged apps
+    // a.target = '_blank'
+
+    if (typeof blob === 'string') {
+      // Support regular links
+      a.href = blob;
+
+      if (a.origin !== location.origin) {
+        corsEnabled(a.href) ? download(blob, name, opts) : click(a, a.target = '_blank');
+      } else {
+        click(a);
+      }
+    } else {
+      // Support blobs
+      a.href = URL.createObjectURL(blob);
+      setTimeout(function () {
+        URL.revokeObjectURL(a.href);
+      }, 4E4); // 40s
+
+      setTimeout(function () {
+        click(a);
+      }, 0);
+    }
+  } // Use msSaveOrOpenBlob as a second approach
+  : 'msSaveOrOpenBlob' in navigator ? function saveAs(blob, name, opts) {
+    name = name || blob.name || 'download';
+
+    if (typeof blob === 'string') {
+      if (corsEnabled(blob)) {
+        download(blob, name, opts);
+      } else {
+        var a = document.createElement('a');
+        a.href = blob;
+        a.target = '_blank';
+        setTimeout(function () {
+          click(a);
+        });
+      }
+    } else {
+      navigator.msSaveOrOpenBlob(bom(blob, opts), name);
+    }
+  } // Fallback to using FileReader and a popup
+  : function saveAs(blob, name, opts, popup) {
+    // Open a popup immediately do go around popup blocker
+    // Mostly only avalible on user interaction and the fileReader is async so...
+    popup = popup || open('', '_blank');
+
+    if (popup) {
+      popup.document.title = popup.document.body.innerText = 'downloading...';
+    }
+
+    if (typeof blob === 'string') return download(blob, name, opts);
+    var force = blob.type === 'application/octet-stream';
+
+    var isSafari = /constructor/i.test(_global.HTMLElement) || _global.safari;
+
+    var isChromeIOS = /CriOS\/[\d]+/.test(navigator.userAgent);
+
+    if ((isChromeIOS || force && isSafari) && typeof FileReader === 'object') {
+      // Safari doesn't allow downloading of blob urls
+      var reader = new FileReader();
+
+      reader.onloadend = function () {
+        var url = reader.result;
+        url = isChromeIOS ? url : url.replace(/^data:[^;]*;/, 'data:attachment/file;');
+        if (popup) popup.location.href = url;else location = url;
+        popup = null; // reverse-tabnabbing #460
+      };
+
+      reader.readAsDataURL(blob);
+    } else {
+      var URL = _global.URL || _global.webkitURL;
+      var url = URL.createObjectURL(blob);
+      if (popup) popup.location = url;else location.href = url;
+      popup = null; // reverse-tabnabbing #460
+
+      setTimeout(function () {
+        URL.revokeObjectURL(url);
+      }, 4E4); // 40s
+    }
+  };
+  _global.saveAs = saveAs.saveAs = saveAs;
+
+  if (typeof module !== 'undefined') {
+    module.exports = saveAs;
+  }
+});

static/deps/big.js

@@ -0,0 +1,941 @@
+/*
+ *  big.js v5.2.1
+ *  A small, fast, easy-to-use library for arbitrary-precision decimal arithmetic.
+ *  Copyright (c) 2018 Michael Mclaughlin <M8ch88l@gmail.com>
+ *  https://github.com/MikeMcl/big.js/LICENCE
+ */
+;(function (GLOBAL) {
+  'use strict';
+  var Big,
+
+
+/************************************** EDITABLE DEFAULTS *****************************************/
+
+
+    // The default values below must be integers within the stated ranges.
+
+    /*
+     * The maximum number of decimal places (DP) of the results of operations involving division:
+     * div and sqrt, and pow with negative exponents.
+     */
+    DP = 20,          // 0 to MAX_DP
+
+    /*
+     * The rounding mode (RM) used when rounding to the above decimal places.
+     *
+     *  0  Towards zero (i.e. truncate, no rounding).       (ROUND_DOWN)
+     *  1  To nearest neighbour. If equidistant, round up.  (ROUND_HALF_UP)
+     *  2  To nearest neighbour. If equidistant, to even.   (ROUND_HALF_EVEN)
+     *  3  Away from zero.                                  (ROUND_UP)
+     */
+    RM = 1,             // 0, 1, 2 or 3
+
+    // The maximum value of DP and Big.DP.
+    MAX_DP = 1E6,       // 0 to 1000000
+
+    // The maximum magnitude of the exponent argument to the pow method.
+    MAX_POWER = 1E6,    // 1 to 1000000
+
+    /*
+     * The negative exponent (NE) at and beneath which toString returns exponential notation.
+     * (JavaScript numbers: -7)
+     * -1000000 is the minimum recommended exponent value of a Big.
+     */
+    NE = -7,            // 0 to -1000000
+
+    /*
+     * The positive exponent (PE) at and above which toString returns exponential notation.
+     * (JavaScript numbers: 21)
+     * 1000000 is the maximum recommended exponent value of a Big.
+     * (This limit is not enforced or checked.)
+     */
+    PE = 21,            // 0 to 1000000
+
+
+/**************************************************************************************************/
+
+
+    // Error messages.
+    NAME = '[big.js] ',
+    INVALID = NAME + 'Invalid ',
+    INVALID_DP = INVALID + 'decimal places',
+    INVALID_RM = INVALID + 'rounding mode',
+    DIV_BY_ZERO = NAME + 'Division by zero',
+
+    // The shared prototype object.
+    P = {},
+    UNDEFINED = void 0,
+    NUMERIC = /^-?(\d+(\.\d*)?|\.\d+)(e[+-]?\d+)?$/i;
+
+
+  /*
+   * Create and return a Big constructor.
+   *
+   */
+  function _Big_() {
+
+    /*
+     * The Big constructor and exported function.
+     * Create and return a new instance of a Big number object.
+     *
+     * n {number|string|Big} A numeric value.
+     */
+    function Big(n) {
+      var x = this;
+
+      // Enable constructor usage without new.
+      if (!(x instanceof Big)) return n === UNDEFINED ? _Big_() : new Big(n);
+
+      // Duplicate.
+      if (n instanceof Big) {
+        x.s = n.s;
+        x.e = n.e;
+        x.c = n.c.slice();
+      } else {
+        parse(x, n);
+      }
+
+      /*
+       * Retain a reference to this Big constructor, and shadow Big.prototype.constructor which
+       * points to Object.
+       */
+      x.constructor = Big;
+    }
+
+    Big.prototype = P;
+    Big.DP = DP;
+    Big.RM = RM;
+    Big.NE = NE;
+    Big.PE = PE;
+    Big.version = '5.2.1';
+
+    return Big;
+  }
+
+
+  /*
+   * Parse the number or string value passed to a Big constructor.
+   *
+   * x {Big} A Big number instance.
+   * n {number|string} A numeric value.
+   */
+  function parse(x, n) {
+    var e, i, nl;
+
+    // Minus zero?
+    if (n === 0 && 1 / n < 0) n = '-0';
+    else if (!NUMERIC.test(n += '')) throw Error(INVALID + 'number');
+
+    // Determine sign.
+    x.s = n.charAt(0) == '-' ? (n = n.slice(1), -1) : 1;
+
+    // Decimal point?
+    if ((e = n.indexOf('.')) > -1) n = n.replace('.', '');
+
+    // Exponential form?
+    if ((i = n.search(/e/i)) > 0) {
+
+      // Determine exponent.
+      if (e < 0) e = i;
+      e += +n.slice(i + 1);
+      n = n.substring(0, i);
+    } else if (e < 0) {
+
+      // Integer.
+      e = n.length;
+    }
+
+    nl = n.length;
+
+    // Determine leading zeros.
+    for (i = 0; i < nl && n.charAt(i) == '0';) ++i;
+
+    if (i == nl) {
+
+      // Zero.
+      x.c = [x.e = 0];
+    } else {
+
+      // Determine trailing zeros.
+      for (; nl > 0 && n.charAt(--nl) == '0';);
+      x.e = e - i - 1;
+      x.c = [];
+
+      // Convert string to array of digits without leading/trailing zeros.
+      for (e = 0; i <= nl;) x.c[e++] = +n.charAt(i++);
+    }
+
+    return x;
+  }
+
+
+  /*
+   * Round Big x to a maximum of dp decimal places using rounding mode rm.
+   * Called by stringify, P.div, P.round and P.sqrt.
+   *
+   * x {Big} The Big to round.
+   * dp {number} Integer, 0 to MAX_DP inclusive.
+   * rm {number} 0, 1, 2 or 3 (DOWN, HALF_UP, HALF_EVEN, UP)
+   * [more] {boolean} Whether the result of division was truncated.
+   */
+  function round(x, dp, rm, more) {
+    var xc = x.c,
+      i = x.e + dp + 1;
+
+    if (i < xc.length) {
+      if (rm === 1) {
+
+        // xc[i] is the digit after the digit that may be rounded up.
+        more = xc[i] >= 5;
+      } else if (rm === 2) {
+        more = xc[i] > 5 || xc[i] == 5 &&
+          (more || i < 0 || xc[i + 1] !== UNDEFINED || xc[i - 1] & 1);
+      } else if (rm === 3) {
+        more = more || !!xc[0];
+      } else {
+        more = false;
+        if (rm !== 0) throw Error(INVALID_RM);
+      }
+
+      if (i < 1) {
+        xc.length = 1;
+
+        if (more) {
+
+          // 1, 0.1, 0.01, 0.001, 0.0001 etc.
+          x.e = -dp;
+          xc[0] = 1;
+        } else {
+
+          // Zero.
+          xc[0] = x.e = 0;
+        }
+      } else {
+
+        // Remove any digits after the required decimal places.
+        xc.length = i--;
+
+        // Round up?
+        if (more) {
+
+          // Rounding up may mean the previous digit has to be rounded up.
+          for (; ++xc[i] > 9;) {
+            xc[i] = 0;
+            if (!i--) {
+              ++x.e;
+              xc.unshift(1);
+            }
+          }
+        }
+
+        // Remove trailing zeros.
+        for (i = xc.length; !xc[--i];) xc.pop();
+      }
+    } else if (rm < 0 || rm > 3 || rm !== ~~rm) {
+      throw Error(INVALID_RM);
+    }
+
+    return x;
+  }
+
+
+  /*
+   * Return a string representing the value of Big x in normal or exponential notation.
+   * Handles P.toExponential, P.toFixed, P.toJSON, P.toPrecision, P.toString and P.valueOf.
+   *
+   * x {Big}
+   * id? {number} Caller id.
+   *         1 toExponential
+   *         2 toFixed
+   *         3 toPrecision
+   *         4 valueOf
+   * n? {number|undefined} Caller's argument.
+   * k? {number|undefined}
+   */
+  function stringify(x, id, n, k) {
+    var e, s,
+      Big = x.constructor,
+      z = !x.c[0];
+
+    if (n !== UNDEFINED) {
+      if (n !== ~~n || n < (id == 3) || n > MAX_DP) {
+        throw Error(id == 3 ? INVALID + 'precision' : INVALID_DP);
+      }
+
+      x = new Big(x);
+
+      // The index of the digit that may be rounded up.
+      n = k - x.e;
+
+      // Round?
+      if (x.c.length > ++k) round(x, n, Big.RM);
+
+      // toFixed: recalculate k as x.e may have changed if value rounded up.
+      if (id == 2) k = x.e + n + 1;
+
+      // Append zeros?
+      for (; x.c.length < k;) x.c.push(0);
+    }
+
+    e = x.e;
+    s = x.c.join('');
+    n = s.length;
+
+    // Exponential notation?
+    if (id != 2 && (id == 1 || id == 3 && k <= e || e <= Big.NE || e >= Big.PE)) {
+      s = s.charAt(0) + (n > 1 ? '.' + s.slice(1) : '') + (e < 0 ? 'e' : 'e+') + e;
+
+    // Normal notation.
+    } else if (e < 0) {
+      for (; ++e;) s = '0' + s;
+      s = '0.' + s;
+    } else if (e > 0) {
+      if (++e > n) for (e -= n; e--;) s += '0';
+      else if (e < n) s = s.slice(0, e) + '.' + s.slice(e);
+    } else if (n > 1) {
+      s = s.charAt(0) + '.' + s.slice(1);
+    }
+
+    return x.s < 0 && (!z || id == 4) ? '-' + s : s;
+  }
+
+
+  // Prototype/instance methods
+
+
+  /*
+   * Return a new Big whose value is the absolute value of this Big.
+   */
+  P.abs = function () {
+    var x = new this.constructor(this);
+    x.s = 1;
+    return x;
+  };
+
+
+  /*
+   * Return 1 if the value of this Big is greater than the value of Big y,
+   *       -1 if the value of this Big is less than the value of Big y, or
+   *        0 if they have the same value.
+  */
+  P.cmp = function (y) {
+    var isneg,
+      x = this,
+      xc = x.c,
+      yc = (y = new x.constructor(y)).c,
+      i = x.s,
+      j = y.s,
+      k = x.e,
+      l = y.e;
+
+    // Either zero?
+    if (!xc[0] || !yc[0]) return !xc[0] ? !yc[0] ? 0 : -j : i;
+
+    // Signs differ?
+    if (i != j) return i;
+
+    isneg = i < 0;
+
+    // Compare exponents.
+    if (k != l) return k > l ^ isneg ? 1 : -1;
+
+    j = (k = xc.length) < (l = yc.length) ? k : l;
+
+    // Compare digit by digit.
+    for (i = -1; ++i < j;) {
+      if (xc[i] != yc[i]) return xc[i] > yc[i] ^ isneg ? 1 : -1;
+    }
+
+    // Compare lengths.
+    return k == l ? 0 : k > l ^ isneg ? 1 : -1;
+  };
+
+
+  /*
+   * Return a new Big whose value is the value of this Big divided by the value of Big y, rounded,
+   * if necessary, to a maximum of Big.DP decimal places using rounding mode Big.RM.
+   */
+  P.div = function (y) {
+    var x = this,
+      Big = x.constructor,
+      a = x.c,                  // dividend
+      b = (y = new Big(y)).c,   // divisor
+      k = x.s == y.s ? 1 : -1,
+      dp = Big.DP;
+
+    if (dp !== ~~dp || dp < 0 || dp > MAX_DP) throw Error(INVALID_DP);
+
+    // Divisor is zero?
+    if (!b[0]) throw Error(DIV_BY_ZERO);
+
+    // Dividend is 0? Return +-0.
+    if (!a[0]) return new Big(k * 0);
+
+    var bl, bt, n, cmp, ri,
+      bz = b.slice(),
+      ai = bl = b.length,
+      al = a.length,
+      r = a.slice(0, bl),   // remainder
+      rl = r.length,
+      q = y,                // quotient
+      qc = q.c = [],
+      qi = 0,
+      d = dp + (q.e = x.e - y.e) + 1;    // number of digits of the result
+
+    q.s = k;
+    k = d < 0 ? 0 : d;
+
+    // Create version of divisor with leading zero.
+    bz.unshift(0);
+
+    // Add zeros to make remainder as long as divisor.
+    for (; rl++ < bl;) r.push(0);
+
+    do {
+
+      // n is how many times the divisor goes into current remainder.
+      for (n = 0; n < 10; n++) {
+
+        // Compare divisor and remainder.
+        if (bl != (rl = r.length)) {
+          cmp = bl > rl ? 1 : -1;
+        } else {
+          for (ri = -1, cmp = 0; ++ri < bl;) {
+            if (b[ri] != r[ri]) {
+              cmp = b[ri] > r[ri] ? 1 : -1;
+              break;
+            }
+          }
+        }
+
+        // If divisor < remainder, subtract divisor from remainder.
+        if (cmp < 0) {
+
+          // Remainder can't be more than 1 digit longer than divisor.
+          // Equalise lengths using divisor with extra leading zero?
+          for (bt = rl == bl ? b : bz; rl;) {
+            if (r[--rl] < bt[rl]) {
+              ri = rl;
+              for (; ri && !r[--ri];) r[ri] = 9;
+              --r[ri];
+              r[rl] += 10;
+            }
+            r[rl] -= bt[rl];
+          }
+
+          for (; !r[0];) r.shift();
+        } else {
+          break;
+        }
+      }
+
+      // Add the digit n to the result array.
+      qc[qi++] = cmp ? n : ++n;
+
+      // Update the remainder.
+      if (r[0] && cmp) r[rl] = a[ai] || 0;
+      else r = [a[ai]];
+
+    } while ((ai++ < al || r[0] !== UNDEFINED) && k--);
+
+    // Leading zero? Do not remove if result is simply zero (qi == 1).
+    if (!qc[0] && qi != 1) {
+
+      // There can't be more than one zero.
+      qc.shift();
+      q.e--;
+    }
+
+    // Round?
+    if (qi > d) round(q, dp, Big.RM, r[0] !== UNDEFINED);
+
+    return q;
+  };
+
+
+  /*
+   * Return true if the value of this Big is equal to the value of Big y, otherwise return false.
+   */
+  P.eq = function (y) {
+    return !this.cmp(y);
+  };
+
+
+  /*
+   * Return true if the value of this Big is greater than the value of Big y, otherwise return
+   * false.
+   */
+  P.gt = function (y) {
+    return this.cmp(y) > 0;
+  };
+
+
+  /*
+   * Return true if the value of this Big is greater than or equal to the value of Big y, otherwise
+   * return false.
+   */
+  P.gte = function (y) {
+    return this.cmp(y) > -1;
+  };
+
+
+  /*
+   * Return true if the value of this Big is less than the value of Big y, otherwise return false.
+   */
+  P.lt = function (y) {
+    return this.cmp(y) < 0;
+  };
+
+
+  /*
+   * Return true if the value of this Big is less than or equal to the value of Big y, otherwise
+   * return false.
+   */
+  P.lte = function (y) {
+    return this.cmp(y) < 1;
+  };
+
+
+  /*
+   * Return a new Big whose value is the value of this Big minus the value of Big y.
+   */
+  P.minus = P.sub = function (y) {
+    var i, j, t, xlty,
+      x = this,
+      Big = x.constructor,
+      a = x.s,
+      b = (y = new Big(y)).s;
+
+    // Signs differ?
+    if (a != b) {
+      y.s = -b;
+      return x.plus(y);
+    }
+
+    var xc = x.c.slice(),
+      xe = x.e,
+      yc = y.c,
+      ye = y.e;
+
+    // Either zero?
+    if (!xc[0] || !yc[0]) {
+
+      // y is non-zero? x is non-zero? Or both are zero.
+      return yc[0] ? (y.s = -b, y) : new Big(xc[0] ? x : 0);
+    }
+
+    // Determine which is the bigger number. Prepend zeros to equalise exponents.
+    if (a = xe - ye) {
+
+      if (xlty = a < 0) {
+        a = -a;
+        t = xc;
+      } else {
+        ye = xe;
+        t = yc;
+      }
+
+      t.reverse();
+      for (b = a; b--;) t.push(0);
+      t.reverse();
+    } else {
+
+      // Exponents equal. Check digit by digit.
+      j = ((xlty = xc.length < yc.length) ? xc : yc).length;
+
+      for (a = b = 0; b < j; b++) {
+        if (xc[b] != yc[b]) {
+          xlty = xc[b] < yc[b];
+          break;
+        }
+      }
+    }
+
+    // x < y? Point xc to the array of the bigger number.
+    if (xlty) {
+      t = xc;
+      xc = yc;
+      yc = t;
+      y.s = -y.s;
+    }
+
+    /*
+     * Append zeros to xc if shorter. No need to add zeros to yc if shorter as subtraction only
+     * needs to start at yc.length.
+     */
+    if ((b = (j = yc.length) - (i = xc.length)) > 0) for (; b--;) xc[i++] = 0;
+
+    // Subtract yc from xc.
+    for (b = i; j > a;) {
+      if (xc[--j] < yc[j]) {
+        for (i = j; i && !xc[--i];) xc[i] = 9;
+        --xc[i];
+        xc[j] += 10;
+      }
+
+      xc[j] -= yc[j];
+    }
+
+    // Remove trailing zeros.
+    for (; xc[--b] === 0;) xc.pop();
+
+    // Remove leading zeros and adjust exponent accordingly.
+    for (; xc[0] === 0;) {
+      xc.shift();
+      --ye;
+    }
+
+    if (!xc[0]) {
+
+      // n - n = +0
+      y.s = 1;
+
+      // Result must be zero.
+      xc = [ye = 0];
+    }
+
+    y.c = xc;
+    y.e = ye;
+
+    return y;
+  };
+
+
+  /*
+   * Return a new Big whose value is the value of this Big modulo the value of Big y.
+   */
+  P.mod = function (y) {
+    var ygtx,
+      x = this,
+      Big = x.constructor,
+      a = x.s,
+      b = (y = new Big(y)).s;
+
+    if (!y.c[0]) throw Error(DIV_BY_ZERO);
+
+    x.s = y.s = 1;
+    ygtx = y.cmp(x) == 1;
+    x.s = a;
+    y.s = b;
+
+    if (ygtx) return new Big(x);
+
+    a = Big.DP;
+    b = Big.RM;
+    Big.DP = Big.RM = 0;
+    x = x.div(y);
+    Big.DP = a;
+    Big.RM = b;
+
+    return this.minus(x.times(y));
+  };
+
+
+  /*
+   * Return a new Big whose value is the value of this Big plus the value of Big y.
+   */
+  P.plus = P.add = function (y) {
+    var t,
+      x = this,
+      Big = x.constructor,
+      a = x.s,
+      b = (y = new Big(y)).s;
+
+    // Signs differ?
+    if (a != b) {
+      y.s = -b;
+      return x.minus(y);
+    }
+
+    var xe = x.e,
+      xc = x.c,
+      ye = y.e,
+      yc = y.c;
+
+    // Either zero? y is non-zero? x is non-zero? Or both are zero.
+    if (!xc[0] || !yc[0]) return yc[0] ? y : new Big(xc[0] ? x : a * 0);
+
+    xc = xc.slice();
+
+    // Prepend zeros to equalise exponents.
+    // Note: reverse faster than unshifts.
+    if (a = xe - ye) {
+      if (a > 0) {
+        ye = xe;
+        t = yc;
+      } else {
+        a = -a;
+        t = xc;
+      }
+
+      t.reverse();
+      for (; a--;) t.push(0);
+      t.reverse();
+    }
+
+    // Point xc to the longer array.
+    if (xc.length - yc.length < 0) {
+      t = yc;
+      yc = xc;
+      xc = t;
+    }
+
+    a = yc.length;
+
+    // Only start adding at yc.length - 1 as the further digits of xc can be left as they are.
+    for (b = 0; a; xc[a] %= 10) b = (xc[--a] = xc[a] + yc[a] + b) / 10 | 0;
+
+    // No need to check for zero, as +x + +y != 0 && -x + -y != 0
+
+    if (b) {
+      xc.unshift(b);
+      ++ye;
+    }
+
+    // Remove trailing zeros.
+    for (a = xc.length; xc[--a] === 0;) xc.pop();
+
+    y.c = xc;
+    y.e = ye;
+
+    return y;
+  };
+
+
+  /*
+   * Return a Big whose value is the value of this Big raised to the power n.
+   * If n is negative, round to a maximum of Big.DP decimal places using rounding
+   * mode Big.RM.
+   *
+   * n {number} Integer, -MAX_POWER to MAX_POWER inclusive.
+   */
+  P.pow = function (n) {
+    var x = this,
+      one = new x.constructor(1),
+      y = one,
+      isneg = n < 0;
+
+    if (n !== ~~n || n < -MAX_POWER || n > MAX_POWER) throw Error(INVALID + 'exponent');
+    if (isneg) n = -n;
+
+    for (;;) {
+      if (n & 1) y = y.times(x);
+      n >>= 1;
+      if (!n) break;
+      x = x.times(x);
+    }
+
+    return isneg ? one.div(y) : y;
+  };
+
+
+  /*
+   * Return a new Big whose value is the value of this Big rounded using rounding mode rm
+   * to a maximum of dp decimal places, or, if dp is negative, to an integer which is a
+   * multiple of 10**-dp.
+   * If dp is not specified, round to 0 decimal places.
+   * If rm is not specified, use Big.RM.
+   *
+   * dp? {number} Integer, -MAX_DP to MAX_DP inclusive.
+   * rm? 0, 1, 2 or 3 (ROUND_DOWN, ROUND_HALF_UP, ROUND_HALF_EVEN, ROUND_UP)
+   */
+  P.round = function (dp, rm) {
+    var Big = this.constructor;
+    if (dp === UNDEFINED) dp = 0;
+    else if (dp !== ~~dp || dp < -MAX_DP || dp > MAX_DP) throw Error(INVALID_DP);
+    return round(new Big(this), dp, rm === UNDEFINED ? Big.RM : rm);
+  };
+
+
+  /*
+   * Return a new Big whose value is the square root of the value of this Big, rounded, if
+   * necessary, to a maximum of Big.DP decimal places using rounding mode Big.RM.
+   */
+  P.sqrt = function () {
+    var r, c, t,
+      x = this,
+      Big = x.constructor,
+      s = x.s,
+      e = x.e,
+      half = new Big(0.5);
+
+    // Zero?
+    if (!x.c[0]) return new Big(x);
+
+    // Negative?
+    if (s < 0) throw Error(NAME + 'No square root');
+
+    // Estimate.
+    s = Math.sqrt(x + '');
+
+    // Math.sqrt underflow/overflow?
+    // Re-estimate: pass x coefficient to Math.sqrt as integer, then adjust the result exponent.
+    if (s === 0 || s === 1 / 0) {
+      c = x.c.join('');
+      if (!(c.length + e & 1)) c += '0';
+      s = Math.sqrt(c);
+      e = ((e + 1) / 2 | 0) - (e < 0 || e & 1);
+      r = new Big((s == 1 / 0 ? '1e' : (s = s.toExponential()).slice(0, s.indexOf('e') + 1)) + e);
+    } else {
+      r = new Big(s);
+    }
+
+    e = r.e + (Big.DP += 4);
+
+    // Newton-Raphson iteration.
+    do {
+      t = r;
+      r = half.times(t.plus(x.div(t)));
+    } while (t.c.slice(0, e).join('') !== r.c.slice(0, e).join(''));
+
+    return round(r, Big.DP -= 4, Big.RM);
+  };
+
+
+  /*
+   * Return a new Big whose value is the value of this Big times the value of Big y.
+   */
+  P.times = P.mul = function (y) {
+    var c,
+      x = this,
+      Big = x.constructor,
+      xc = x.c,
+      yc = (y = new Big(y)).c,
+      a = xc.length,
+      b = yc.length,
+      i = x.e,
+      j = y.e;
+
+    // Determine sign of result.
+    y.s = x.s == y.s ? 1 : -1;
+
+    // Return signed 0 if either 0.
+    if (!xc[0] || !yc[0]) return new Big(y.s * 0);
+
+    // Initialise exponent of result as x.e + y.e.
+    y.e = i + j;
+
+    // If array xc has fewer digits than yc, swap xc and yc, and lengths.
+    if (a < b) {
+      c = xc;
+      xc = yc;
+      yc = c;
+      j = a;
+      a = b;
+      b = j;
+    }
+
+    // Initialise coefficient array of result with zeros.
+    for (c = new Array(j = a + b); j--;) c[j] = 0;
+
+    // Multiply.
+
+    // i is initially xc.length.
+    for (i = b; i--;) {
+      b = 0;
+
+      // a is yc.length.
+      for (j = a + i; j > i;) {
+
+        // Current sum of products at this digit position, plus carry.
+        b = c[j] + yc[i] * xc[j - i - 1] + b;
+        c[j--] = b % 10;
+
+        // carry
+        b = b / 10 | 0;
+      }
+
+      c[j] = (c[j] + b) % 10;
+    }
+
+    // Increment result exponent if there is a final carry, otherwise remove leading zero.
+    if (b) ++y.e;
+    else c.shift();
+
+    // Remove trailing zeros.
+    for (i = c.length; !c[--i];) c.pop();
+    y.c = c;
+
+    return y;
+  };
+
+
+  /*
+   * Return a string representing the value of this Big in exponential notation to dp fixed decimal
+   * places and rounded using Big.RM.
+   *
+   * dp? {number} Integer, 0 to MAX_DP inclusive.
+   */
+  P.toExponential = function (dp) {
+    return stringify(this, 1, dp, dp);
+  };
+
+
+  /*
+   * Return a string representing the value of this Big in normal notation to dp fixed decimal
+   * places and rounded using Big.RM.
+   *
+   * dp? {number} Integer, 0 to MAX_DP inclusive.
+   *
+   * (-0).toFixed(0) is '0', but (-0.1).toFixed(0) is '-0'.
+   * (-0).toFixed(1) is '0.0', but (-0.01).toFixed(1) is '-0.0'.
+   */
+  P.toFixed = function (dp) {
+    return stringify(this, 2, dp, this.e + dp);
+  };
+
+
+  /*
+   * Return a string representing the value of this Big rounded to sd significant digits using
+   * Big.RM. Use exponential notation if sd is less than the number of digits necessary to represent
+   * the integer part of the value in normal notation.
+   *
+   * sd {number} Integer, 1 to MAX_DP inclusive.
+   */
+  P.toPrecision = function (sd) {
+    return stringify(this, 3, sd, sd - 1);
+  };
+
+
+  /*
+   * Return a string representing the value of this Big.
+   * Return exponential notation if this Big has a positive exponent equal to or greater than
+   * Big.PE, or a negative exponent equal to or less than Big.NE.
+   * Omit the sign for negative zero.
+   */
+  P.toString = function () {
+    return stringify(this);
+  };
+
+
+  /*
+   * Return a string representing the value of this Big.
+   * Return exponential notation if this Big has a positive exponent equal to or greater than
+   * Big.PE, or a negative exponent equal to or less than Big.NE.
+   * Include the sign for negative zero.
+   */
+  P.valueOf = P.toJSON = function () {
+    return stringify(this, 4);
+  };
+
+
+  // Export
+
+
+  Big = _Big_();
+
+  Big['default'] = Big.Big = Big;
+
+  //AMD.
+  if (typeof define === 'function' && define.amd) {
+    define(function () { return Big; });
+
+  // Node and other CommonJS-like environments that support module.exports.
+  } else if (typeof module !== 'undefined' && module.exports) {
+    module.exports = Big;
+
+  //Browser.
+  } else {
+    GLOBAL.Big = Big;
+  }
+})(this);

static/deps/jquery-i18next.min.js

@@ -0,0 +1 @@
+!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define(e):t.jqueryI18next=e()}(this,function(){"use strict";function t(t,a){function i(n,a,i){function r(t,n){return f.parseDefaultValueFromContent?e({},t,{defaultValue:n}):t}if(0!==a.length){var o="text";if(0===a.indexOf("[")){var l=a.split("]");a=l[1],o=l[0].substr(1,l[0].length-1)}if(a.indexOf(";")===a.length-1&&(a=a.substr(0,a.length-2)),"html"===o)n.html(t.t(a,r(i,n.html())));else if("text"===o)n.text(t.t(a,r(i,n.text())));else if("prepend"===o)n.prepend(t.t(a,r(i,n.html())));else if("append"===o)n.append(t.t(a,r(i,n.html())));else if(0===o.indexOf("data-")){var s=o.substr("data-".length),d=t.t(a,r(i,n.data(s)));n.data(s,d),n.attr(o,d)}else n.attr(o,t.t(a,r(i,n.attr(o))))}}function r(t,n){var r=t.attr(f.selectorAttr);if(r||void 0===r||!1===r||(r=t.text()||t.val()),r){var o=t,l=t.data(f.targetAttr);if(l&&(o=t.find(l)||t),n||!0!==f.useOptionsAttr||(n=t.data(f.optionsAttr)),n=n||{},r.indexOf(";")>=0){var s=r.split(";");a.each(s,function(t,e){""!==e&&i(o,e.trim(),n)})}else i(o,r,n);if(!0===f.useOptionsAttr){var d={};d=e({clone:d},n),delete d.lng,t.data(f.optionsAttr,d)}}}function o(t){return this.each(function(){r(a(this),t),a(this).find("["+f.selectorAttr+"]").each(function(){r(a(this),t)})})}var f=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};f=e({},n,f),a[f.tName]=t.t.bind(t),a[f.i18nName]=t,a.fn[f.handleName]=o}var e=Object.assign||function(t){for(var e=1;e<arguments.length;e++){var n=arguments[e];for(var a in n)Object.prototype.hasOwnProperty.call(n,a)&&(t[a]=n[a])}return t},n={tName:"t",i18nName:"i18n",handleName:"localize",selectorAttr:"data-i18n",targetAttr:"i18n-target",optionsAttr:"i18n-options",useOptionsAttr:!1,parseDefaultValueFromContent:!0};return{init:t}});

static/deps/js.cookie-2.2.0.min.js

@@ -0,0 +1,3 @@
+/*! js-cookie v2.2.0 | MIT */
+
+!function(e){var n=!1;if("function"==typeof define&&define.amd&&(define(e),n=!0),"object"==typeof exports&&(module.exports=e(),n=!0),!n){var o=window.Cookies,t=window.Cookies=e();t.noConflict=function(){return window.Cookies=o,t}}}(function(){function e(){for(var e=0,n={};e<arguments.length;e++){var o=arguments[e];for(var t in o)n[t]=o[t]}return n}function n(o){function t(n,r,i){var c;if("undefined"!=typeof document){if(arguments.length>1){if("number"==typeof(i=e({path:"/"},t.defaults,i)).expires){var a=new Date;a.setMilliseconds(a.getMilliseconds()+864e5*i.expires),i.expires=a}i.expires=i.expires?i.expires.toUTCString():"";try{c=JSON.stringify(r),/^[\{\[]/.test(c)&&(r=c)}catch(e){}r=o.write?o.write(r,n):encodeURIComponent(r+"").replace(/%(23|24|26|2B|3A|3C|3E|3D|2F|3F|40|5B|5D|5E|60|7B|7D|7C)/g,decodeURIComponent),n=(n=(n=encodeURIComponent(n+"")).replace(/%(23|24|26|2B|5E|60|7C)/g,decodeURIComponent)).replace(/[\(\)]/g,escape);var s="";for(var f in i)i[f]&&(s+="; "+f,!0!==i[f]&&(s+="="+i[f]));return document.cookie=n+"="+r+s}n||(c={});for(var p=document.cookie?document.cookie.split("; "):[],d=/(%[0-9A-Z]{2})+/g,u=0;u<p.length;u++){var l=p[u].split("="),C=l.slice(1).join("=");this.json||'"'!==C.charAt(0)||(C=C.slice(1,-1));try{var m=l[0].replace(d,decodeURIComponent);if(C=o.read?o.read(C,m):o(C,m)||C.replace(d,decodeURIComponent),this.json)try{C=JSON.parse(C)}catch(e){}if(n===m){c=C;break}n||(c[m]=C)}catch(e){}}return c}}return t.set=t,t.get=function(e){return t.call(t,e)},t.getJSON=function(){return t.apply({json:!0},[].slice.call(arguments))},t.defaults={},t.remove=function(n,o){t(n,"",e(o,{expires:-1}))},t.withConverter=n,t}return n(function(){})});

static/deps/promise-worker.js

@@ -0,0 +1,71 @@
+(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.PromiseWorker = f()}})(function(){var define,module,exports;return (function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(require,module,exports){
+'use strict'
+
+var messageIds = 0
+
+function onMessage (self, e) {
+  var message = e.data
+  if (!Array.isArray(message) || message.length < 2) {
+    // Ignore - this message is not for us.
+    return
+  }
+  var messageId = message[0]
+  var error = message[1]
+  var result = message[2]
+
+  var callback = self._callbacks[messageId]
+
+  if (!callback) {
+    // Ignore - user might have created multiple PromiseWorkers.
+    // This message is not for us.
+    return
+  }
+
+  delete self._callbacks[messageId]
+  callback(error, result)
+}
+
+function PromiseWorker (worker) {
+  var self = this
+  self._worker = worker
+  self._callbacks = {}
+
+  worker.addEventListener('message', function (e) {
+    onMessage(self, e)
+  })
+}
+
+PromiseWorker.prototype.postMessage = function (userMessage) {
+  var self = this
+  var messageId = messageIds++
+
+  var messageToSend = [messageId, userMessage]
+
+  return new Promise(function (resolve, reject) {
+    self._callbacks[messageId] = function (error, result) {
+      if (error) {
+        return reject(new Error(error.message))
+      }
+      resolve(result)
+    }
+
+    /* istanbul ignore if */
+    if (typeof self._worker.controller !== 'undefined') {
+      // service worker, use MessageChannels because e.source is broken in Chrome < 51:
+      // https://bugs.chromium.org/p/chromium/issues/detail?id=543198
+      var channel = new MessageChannel()
+      channel.port1.onmessage = function (e) {
+        onMessage(self, e)
+      }
+      self._worker.controller.postMessage(messageToSend, [channel.port2])
+    } else {
+      // web worker
+      self._worker.postMessage(messageToSend)
+    }
+  })
+}
+
+module.exports = PromiseWorker
+
+},{}]},{},[1])(1)
+});

static/deps/promise-worker.register.js

@@ -0,0 +1,82 @@
+(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.registerPromiseWorker = f()}})(function(){var define,module,exports;return (function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(require,module,exports){
+'use strict'
+
+function isPromise (obj) {
+  // via https://unpkg.com/is-promise@2.1.0/index.js
+  return !!obj && (typeof obj === 'object' || typeof obj === 'function') && typeof obj.then === 'function'
+}
+
+function registerPromiseWorker (callback) {
+  function postOutgoingMessage (e, messageId, error, result) {
+    function postMessage (msg) {
+      /* istanbul ignore if */
+      if (typeof self.postMessage !== 'function') { // service worker
+        e.ports[0].postMessage(msg)
+      } else { // web worker
+        self.postMessage(msg)
+      }
+    }
+    if (error) {
+      /* istanbul ignore else */
+      if (typeof console !== 'undefined' && 'error' in console) {
+        // This is to make errors easier to debug. I think it's important
+        // enough to just leave here without giving the user an option
+        // to silence it.
+        console.error('Worker caught an error:', error)
+      }
+      postMessage([messageId, {
+        message: error.message
+      }])
+    } else {
+      postMessage([messageId, null, result])
+    }
+  }
+
+  function tryCatchFunc (callback, message) {
+    try {
+      return { res: callback(message) }
+    } catch (e) {
+      return { err: e }
+    }
+  }
+
+  function handleIncomingMessage (e, callback, messageId, message) {
+    var result = tryCatchFunc(callback, message)
+
+    if (result.err) {
+      postOutgoingMessage(e, messageId, result.err)
+    } else if (!isPromise(result.res)) {
+      postOutgoingMessage(e, messageId, null, result.res)
+    } else {
+      result.res.then(function (finalResult) {
+        postOutgoingMessage(e, messageId, null, finalResult)
+      }, function (finalError) {
+        postOutgoingMessage(e, messageId, finalError)
+      })
+    }
+  }
+
+  function onIncomingMessage (e) {
+    var payload = e.data
+    if (!Array.isArray(payload) || payload.length !== 2) {
+      // message doens't match communication format; ignore
+      return
+    }
+    var messageId = payload[0]
+    var message = payload[1]
+
+    if (typeof callback !== 'function') {
+      postOutgoingMessage(e, messageId, new Error(
+        'Please pass a function into register().'))
+    } else {
+      handleIncomingMessage(e, callback, messageId, message)
+    }
+  }
+
+  self.addEventListener('message', onIncomingMessage)
+}
+
+module.exports = registerPromiseWorker
+
+},{}]},{},[1])(1)
+});

static/deps/qrcode.js

@@ -0,0 +1,614 @@
+/**
+ * @fileoverview
+ * - Using the 'QRCode for Javascript library'
+ * - Fixed dataset of 'QRCode for Javascript library' for support full-spec.
+ * - this library has no dependencies.
+ * 
+ * @author davidshimjs
+ * @see <a href="http://www.d-project.com/" target="_blank">http://www.d-project.com/</a>
+ * @see <a href="http://jeromeetienne.github.com/jquery-qrcode/" target="_blank">http://jeromeetienne.github.com/jquery-qrcode/</a>
+ */
+var QRCode;
+
+(function () {
+	//---------------------------------------------------------------------
+	// QRCode for JavaScript
+	//
+	// Copyright (c) 2009 Kazuhiko Arase
+	//
+	// URL: http://www.d-project.com/
+	//
+	// Licensed under the MIT license:
+	//   http://www.opensource.org/licenses/mit-license.php
+	//
+	// The word "QR Code" is registered trademark of 
+	// DENSO WAVE INCORPORATED
+	//   http://www.denso-wave.com/qrcode/faqpatent-e.html
+	//
+	//---------------------------------------------------------------------
+	function QR8bitByte(data) {
+		this.mode = QRMode.MODE_8BIT_BYTE;
+		this.data = data;
+		this.parsedData = [];
+
+		// Added to support UTF-8 Characters
+		for (var i = 0, l = this.data.length; i < l; i++) {
+			var byteArray = [];
+			var code = this.data.charCodeAt(i);
+
+			if (code > 0x10000) {
+				byteArray[0] = 0xF0 | ((code & 0x1C0000) >>> 18);
+				byteArray[1] = 0x80 | ((code & 0x3F000) >>> 12);
+				byteArray[2] = 0x80 | ((code & 0xFC0) >>> 6);
+				byteArray[3] = 0x80 | (code & 0x3F);
+			} else if (code > 0x800) {
+				byteArray[0] = 0xE0 | ((code & 0xF000) >>> 12);
+				byteArray[1] = 0x80 | ((code & 0xFC0) >>> 6);
+				byteArray[2] = 0x80 | (code & 0x3F);
+			} else if (code > 0x80) {
+				byteArray[0] = 0xC0 | ((code & 0x7C0) >>> 6);
+				byteArray[1] = 0x80 | (code & 0x3F);
+			} else {
+				byteArray[0] = code;
+			}
+
+			this.parsedData.push(byteArray);
+		}
+
+		this.parsedData = Array.prototype.concat.apply([], this.parsedData);
+
+		if (this.parsedData.length != this.data.length) {
+			this.parsedData.unshift(191);
+			this.parsedData.unshift(187);
+			this.parsedData.unshift(239);
+		}
+	}
+
+	QR8bitByte.prototype = {
+		getLength: function (buffer) {
+			return this.parsedData.length;
+		},
+		write: function (buffer) {
+			for (var i = 0, l = this.parsedData.length; i < l; i++) {
+				buffer.put(this.parsedData[i], 8);
+			}
+		}
+	};
+
+	function QRCodeModel(typeNumber, errorCorrectLevel) {
+		this.typeNumber = typeNumber;
+		this.errorCorrectLevel = errorCorrectLevel;
+		this.modules = null;
+		this.moduleCount = 0;
+		this.dataCache = null;
+		this.dataList = [];
+	}
+
+	QRCodeModel.prototype={addData:function(data){var newData=new QR8bitByte(data);this.dataList.push(newData);this.dataCache=null;},isDark:function(row,col){if(row<0||this.moduleCount<=row||col<0||this.moduleCount<=col){throw new Error(row+","+col);}
+	return this.modules[row][col];},getModuleCount:function(){return this.moduleCount;},make:function(){this.makeImpl(false,this.getBestMaskPattern());},makeImpl:function(test,maskPattern){this.moduleCount=this.typeNumber*4+17;this.modules=new Array(this.moduleCount);for(var row=0;row<this.moduleCount;row++){this.modules[row]=new Array(this.moduleCount);for(var col=0;col<this.moduleCount;col++){this.modules[row][col]=null;}}
+	this.setupPositionProbePattern(0,0);this.setupPositionProbePattern(this.moduleCount-7,0);this.setupPositionProbePattern(0,this.moduleCount-7);this.setupPositionAdjustPattern();this.setupTimingPattern();this.setupTypeInfo(test,maskPattern);if(this.typeNumber>=7){this.setupTypeNumber(test);}
+	if(this.dataCache==null){this.dataCache=QRCodeModel.createData(this.typeNumber,this.errorCorrectLevel,this.dataList);}
+	this.mapData(this.dataCache,maskPattern);},setupPositionProbePattern:function(row,col){for(var r=-1;r<=7;r++){if(row+r<=-1||this.moduleCount<=row+r)continue;for(var c=-1;c<=7;c++){if(col+c<=-1||this.moduleCount<=col+c)continue;if((0<=r&&r<=6&&(c==0||c==6))||(0<=c&&c<=6&&(r==0||r==6))||(2<=r&&r<=4&&2<=c&&c<=4)){this.modules[row+r][col+c]=true;}else{this.modules[row+r][col+c]=false;}}}},getBestMaskPattern:function(){var minLostPoint=0;var pattern=0;for(var i=0;i<8;i++){this.makeImpl(true,i);var lostPoint=QRUtil.getLostPoint(this);if(i==0||minLostPoint>lostPoint){minLostPoint=lostPoint;pattern=i;}}
+	return pattern;},createMovieClip:function(target_mc,instance_name,depth){var qr_mc=target_mc.createEmptyMovieClip(instance_name,depth);var cs=1;this.make();for(var row=0;row<this.modules.length;row++){var y=row*cs;for(var col=0;col<this.modules[row].length;col++){var x=col*cs;var dark=this.modules[row][col];if(dark){qr_mc.beginFill(0,100);qr_mc.moveTo(x,y);qr_mc.lineTo(x+cs,y);qr_mc.lineTo(x+cs,y+cs);qr_mc.lineTo(x,y+cs);qr_mc.endFill();}}}
+	return qr_mc;},setupTimingPattern:function(){for(var r=8;r<this.moduleCount-8;r++){if(this.modules[r][6]!=null){continue;}
+	this.modules[r][6]=(r%2==0);}
+	for(var c=8;c<this.moduleCount-8;c++){if(this.modules[6][c]!=null){continue;}
+	this.modules[6][c]=(c%2==0);}},setupPositionAdjustPattern:function(){var pos=QRUtil.getPatternPosition(this.typeNumber);for(var i=0;i<pos.length;i++){for(var j=0;j<pos.length;j++){var row=pos[i];var col=pos[j];if(this.modules[row][col]!=null){continue;}
+	for(var r=-2;r<=2;r++){for(var c=-2;c<=2;c++){if(r==-2||r==2||c==-2||c==2||(r==0&&c==0)){this.modules[row+r][col+c]=true;}else{this.modules[row+r][col+c]=false;}}}}}},setupTypeNumber:function(test){var bits=QRUtil.getBCHTypeNumber(this.typeNumber);for(var i=0;i<18;i++){var mod=(!test&&((bits>>i)&1)==1);this.modules[Math.floor(i/3)][i%3+this.moduleCount-8-3]=mod;}
+	for(var i=0;i<18;i++){var mod=(!test&&((bits>>i)&1)==1);this.modules[i%3+this.moduleCount-8-3][Math.floor(i/3)]=mod;}},setupTypeInfo:function(test,maskPattern){var data=(this.errorCorrectLevel<<3)|maskPattern;var bits=QRUtil.getBCHTypeInfo(data);for(var i=0;i<15;i++){var mod=(!test&&((bits>>i)&1)==1);if(i<6){this.modules[i][8]=mod;}else if(i<8){this.modules[i+1][8]=mod;}else{this.modules[this.moduleCount-15+i][8]=mod;}}
+	for(var i=0;i<15;i++){var mod=(!test&&((bits>>i)&1)==1);if(i<8){this.modules[8][this.moduleCount-i-1]=mod;}else if(i<9){this.modules[8][15-i-1+1]=mod;}else{this.modules[8][15-i-1]=mod;}}
+	this.modules[this.moduleCount-8][8]=(!test);},mapData:function(data,maskPattern){var inc=-1;var row=this.moduleCount-1;var bitIndex=7;var byteIndex=0;for(var col=this.moduleCount-1;col>0;col-=2){if(col==6)col--;while(true){for(var c=0;c<2;c++){if(this.modules[row][col-c]==null){var dark=false;if(byteIndex<data.length){dark=(((data[byteIndex]>>>bitIndex)&1)==1);}
+	var mask=QRUtil.getMask(maskPattern,row,col-c);if(mask){dark=!dark;}
+	this.modules[row][col-c]=dark;bitIndex--;if(bitIndex==-1){byteIndex++;bitIndex=7;}}}
+	row+=inc;if(row<0||this.moduleCount<=row){row-=inc;inc=-inc;break;}}}}};QRCodeModel.PAD0=0xEC;QRCodeModel.PAD1=0x11;QRCodeModel.createData=function(typeNumber,errorCorrectLevel,dataList){var rsBlocks=QRRSBlock.getRSBlocks(typeNumber,errorCorrectLevel);var buffer=new QRBitBuffer();for(var i=0;i<dataList.length;i++){var data=dataList[i];buffer.put(data.mode,4);buffer.put(data.getLength(),QRUtil.getLengthInBits(data.mode,typeNumber));data.write(buffer);}
+	var totalDataCount=0;for(var i=0;i<rsBlocks.length;i++){totalDataCount+=rsBlocks[i].dataCount;}
+	if(buffer.getLengthInBits()>totalDataCount*8){throw new Error("code length overflow. ("
+	+buffer.getLengthInBits()
+	+">"
+	+totalDataCount*8
+	+")");}
+	if(buffer.getLengthInBits()+4<=totalDataCount*8){buffer.put(0,4);}
+	while(buffer.getLengthInBits()%8!=0){buffer.putBit(false);}
+	while(true){if(buffer.getLengthInBits()>=totalDataCount*8){break;}
+	buffer.put(QRCodeModel.PAD0,8);if(buffer.getLengthInBits()>=totalDataCount*8){break;}
+	buffer.put(QRCodeModel.PAD1,8);}
+	return QRCodeModel.createBytes(buffer,rsBlocks);};QRCodeModel.createBytes=function(buffer,rsBlocks){var offset=0;var maxDcCount=0;var maxEcCount=0;var dcdata=new Array(rsBlocks.length);var ecdata=new Array(rsBlocks.length);for(var r=0;r<rsBlocks.length;r++){var dcCount=rsBlocks[r].dataCount;var ecCount=rsBlocks[r].totalCount-dcCount;maxDcCount=Math.max(maxDcCount,dcCount);maxEcCount=Math.max(maxEcCount,ecCount);dcdata[r]=new Array(dcCount);for(var i=0;i<dcdata[r].length;i++){dcdata[r][i]=0xff&buffer.buffer[i+offset];}
+	offset+=dcCount;var rsPoly=QRUtil.getErrorCorrectPolynomial(ecCount);var rawPoly=new QRPolynomial(dcdata[r],rsPoly.getLength()-1);var modPoly=rawPoly.mod(rsPoly);ecdata[r]=new Array(rsPoly.getLength()-1);for(var i=0;i<ecdata[r].length;i++){var modIndex=i+modPoly.getLength()-ecdata[r].length;ecdata[r][i]=(modIndex>=0)?modPoly.get(modIndex):0;}}
+	var totalCodeCount=0;for(var i=0;i<rsBlocks.length;i++){totalCodeCount+=rsBlocks[i].totalCount;}
+	var data=new Array(totalCodeCount);var index=0;for(var i=0;i<maxDcCount;i++){for(var r=0;r<rsBlocks.length;r++){if(i<dcdata[r].length){data[index++]=dcdata[r][i];}}}
+	for(var i=0;i<maxEcCount;i++){for(var r=0;r<rsBlocks.length;r++){if(i<ecdata[r].length){data[index++]=ecdata[r][i];}}}
+	return data;};var QRMode={MODE_NUMBER:1<<0,MODE_ALPHA_NUM:1<<1,MODE_8BIT_BYTE:1<<2,MODE_KANJI:1<<3};var QRErrorCorrectLevel={L:1,M:0,Q:3,H:2};var QRMaskPattern={PATTERN000:0,PATTERN001:1,PATTERN010:2,PATTERN011:3,PATTERN100:4,PATTERN101:5,PATTERN110:6,PATTERN111:7};var QRUtil={PATTERN_POSITION_TABLE:[[],[6,18],[6,22],[6,26],[6,30],[6,34],[6,22,38],[6,24,42],[6,26,46],[6,28,50],[6,30,54],[6,32,58],[6,34,62],[6,26,46,66],[6,26,48,70],[6,26,50,74],[6,30,54,78],[6,30,56,82],[6,30,58,86],[6,34,62,90],[6,28,50,72,94],[6,26,50,74,98],[6,30,54,78,102],[6,28,54,80,106],[6,32,58,84,110],[6,30,58,86,114],[6,34,62,90,118],[6,26,50,74,98,122],[6,30,54,78,102,126],[6,26,52,78,104,130],[6,30,56,82,108,134],[6,34,60,86,112,138],[6,30,58,86,114,142],[6,34,62,90,118,146],[6,30,54,78,102,126,150],[6,24,50,76,102,128,154],[6,28,54,80,106,132,158],[6,32,58,84,110,136,162],[6,26,54,82,110,138,166],[6,30,58,86,114,142,170]],G15:(1<<10)|(1<<8)|(1<<5)|(1<<4)|(1<<2)|(1<<1)|(1<<0),G18:(1<<12)|(1<<11)|(1<<10)|(1<<9)|(1<<8)|(1<<5)|(1<<2)|(1<<0),G15_MASK:(1<<14)|(1<<12)|(1<<10)|(1<<4)|(1<<1),getBCHTypeInfo:function(data){var d=data<<10;while(QRUtil.getBCHDigit(d)-QRUtil.getBCHDigit(QRUtil.G15)>=0){d^=(QRUtil.G15<<(QRUtil.getBCHDigit(d)-QRUtil.getBCHDigit(QRUtil.G15)));}
+	return((data<<10)|d)^QRUtil.G15_MASK;},getBCHTypeNumber:function(data){var d=data<<12;while(QRUtil.getBCHDigit(d)-QRUtil.getBCHDigit(QRUtil.G18)>=0){d^=(QRUtil.G18<<(QRUtil.getBCHDigit(d)-QRUtil.getBCHDigit(QRUtil.G18)));}
+	return(data<<12)|d;},getBCHDigit:function(data){var digit=0;while(data!=0){digit++;data>>>=1;}
+	return digit;},getPatternPosition:function(typeNumber){return QRUtil.PATTERN_POSITION_TABLE[typeNumber-1];},getMask:function(maskPattern,i,j){switch(maskPattern){case QRMaskPattern.PATTERN000:return(i+j)%2==0;case QRMaskPattern.PATTERN001:return i%2==0;case QRMaskPattern.PATTERN010:return j%3==0;case QRMaskPattern.PATTERN011:return(i+j)%3==0;case QRMaskPattern.PATTERN100:return(Math.floor(i/2)+Math.floor(j/3))%2==0;case QRMaskPattern.PATTERN101:return(i*j)%2+(i*j)%3==0;case QRMaskPattern.PATTERN110:return((i*j)%2+(i*j)%3)%2==0;case QRMaskPattern.PATTERN111:return((i*j)%3+(i+j)%2)%2==0;default:throw new Error("bad maskPattern:"+maskPattern);}},getErrorCorrectPolynomial:function(errorCorrectLength){var a=new QRPolynomial([1],0);for(var i=0;i<errorCorrectLength;i++){a=a.multiply(new QRPolynomial([1,QRMath.gexp(i)],0));}
+	return a;},getLengthInBits:function(mode,type){if(1<=type&&type<10){switch(mode){case QRMode.MODE_NUMBER:return 10;case QRMode.MODE_ALPHA_NUM:return 9;case QRMode.MODE_8BIT_BYTE:return 8;case QRMode.MODE_KANJI:return 8;default:throw new Error("mode:"+mode);}}else if(type<27){switch(mode){case QRMode.MODE_NUMBER:return 12;case QRMode.MODE_ALPHA_NUM:return 11;case QRMode.MODE_8BIT_BYTE:return 16;case QRMode.MODE_KANJI:return 10;default:throw new Error("mode:"+mode);}}else if(type<41){switch(mode){case QRMode.MODE_NUMBER:return 14;case QRMode.MODE_ALPHA_NUM:return 13;case QRMode.MODE_8BIT_BYTE:return 16;case QRMode.MODE_KANJI:return 12;default:throw new Error("mode:"+mode);}}else{throw new Error("type:"+type);}},getLostPoint:function(qrCode){var moduleCount=qrCode.getModuleCount();var lostPoint=0;for(var row=0;row<moduleCount;row++){for(var col=0;col<moduleCount;col++){var sameCount=0;var dark=qrCode.isDark(row,col);for(var r=-1;r<=1;r++){if(row+r<0||moduleCount<=row+r){continue;}
+	for(var c=-1;c<=1;c++){if(col+c<0||moduleCount<=col+c){continue;}
+	if(r==0&&c==0){continue;}
+	if(dark==qrCode.isDark(row+r,col+c)){sameCount++;}}}
+	if(sameCount>5){lostPoint+=(3+sameCount-5);}}}
+	for(var row=0;row<moduleCount-1;row++){for(var col=0;col<moduleCount-1;col++){var count=0;if(qrCode.isDark(row,col))count++;if(qrCode.isDark(row+1,col))count++;if(qrCode.isDark(row,col+1))count++;if(qrCode.isDark(row+1,col+1))count++;if(count==0||count==4){lostPoint+=3;}}}
+	for(var row=0;row<moduleCount;row++){for(var col=0;col<moduleCount-6;col++){if(qrCode.isDark(row,col)&&!qrCode.isDark(row,col+1)&&qrCode.isDark(row,col+2)&&qrCode.isDark(row,col+3)&&qrCode.isDark(row,col+4)&&!qrCode.isDark(row,col+5)&&qrCode.isDark(row,col+6)){lostPoint+=40;}}}
+	for(var col=0;col<moduleCount;col++){for(var row=0;row<moduleCount-6;row++){if(qrCode.isDark(row,col)&&!qrCode.isDark(row+1,col)&&qrCode.isDark(row+2,col)&&qrCode.isDark(row+3,col)&&qrCode.isDark(row+4,col)&&!qrCode.isDark(row+5,col)&&qrCode.isDark(row+6,col)){lostPoint+=40;}}}
+	var darkCount=0;for(var col=0;col<moduleCount;col++){for(var row=0;row<moduleCount;row++){if(qrCode.isDark(row,col)){darkCount++;}}}
+	var ratio=Math.abs(100*darkCount/moduleCount/moduleCount-50)/5;lostPoint+=ratio*10;return lostPoint;}};var QRMath={glog:function(n){if(n<1){throw new Error("glog("+n+")");}
+	return QRMath.LOG_TABLE[n];},gexp:function(n){while(n<0){n+=255;}
+	while(n>=256){n-=255;}
+	return QRMath.EXP_TABLE[n];},EXP_TABLE:new Array(256),LOG_TABLE:new Array(256)};for(var i=0;i<8;i++){QRMath.EXP_TABLE[i]=1<<i;}
+	for(var i=8;i<256;i++){QRMath.EXP_TABLE[i]=QRMath.EXP_TABLE[i-4]^QRMath.EXP_TABLE[i-5]^QRMath.EXP_TABLE[i-6]^QRMath.EXP_TABLE[i-8];}
+	for(var i=0;i<255;i++){QRMath.LOG_TABLE[QRMath.EXP_TABLE[i]]=i;}
+	function QRPolynomial(num,shift){if(num.length==undefined){throw new Error(num.length+"/"+shift);}
+	var offset=0;while(offset<num.length&&num[offset]==0){offset++;}
+	this.num=new Array(num.length-offset+shift);for(var i=0;i<num.length-offset;i++){this.num[i]=num[i+offset];}}
+	QRPolynomial.prototype={get:function(index){return this.num[index];},getLength:function(){return this.num.length;},multiply:function(e){var num=new Array(this.getLength()+e.getLength()-1);for(var i=0;i<this.getLength();i++){for(var j=0;j<e.getLength();j++){num[i+j]^=QRMath.gexp(QRMath.glog(this.get(i))+QRMath.glog(e.get(j)));}}
+	return new QRPolynomial(num,0);},mod:function(e){if(this.getLength()-e.getLength()<0){return this;}
+	var ratio=QRMath.glog(this.get(0))-QRMath.glog(e.get(0));var num=new Array(this.getLength());for(var i=0;i<this.getLength();i++){num[i]=this.get(i);}
+	for(var i=0;i<e.getLength();i++){num[i]^=QRMath.gexp(QRMath.glog(e.get(i))+ratio);}
+	return new QRPolynomial(num,0).mod(e);}};function QRRSBlock(totalCount,dataCount){this.totalCount=totalCount;this.dataCount=dataCount;}
+	QRRSBlock.RS_BLOCK_TABLE=[[1,26,19],[1,26,16],[1,26,13],[1,26,9],[1,44,34],[1,44,28],[1,44,22],[1,44,16],[1,70,55],[1,70,44],[2,35,17],[2,35,13],[1,100,80],[2,50,32],[2,50,24],[4,25,9],[1,134,108],[2,67,43],[2,33,15,2,34,16],[2,33,11,2,34,12],[2,86,68],[4,43,27],[4,43,19],[4,43,15],[2,98,78],[4,49,31],[2,32,14,4,33,15],[4,39,13,1,40,14],[2,121,97],[2,60,38,2,61,39],[4,40,18,2,41,19],[4,40,14,2,41,15],[2,146,116],[3,58,36,2,59,37],[4,36,16,4,37,17],[4,36,12,4,37,13],[2,86,68,2,87,69],[4,69,43,1,70,44],[6,43,19,2,44,20],[6,43,15,2,44,16],[4,101,81],[1,80,50,4,81,51],[4,50,22,4,51,23],[3,36,12,8,37,13],[2,116,92,2,117,93],[6,58,36,2,59,37],[4,46,20,6,47,21],[7,42,14,4,43,15],[4,133,107],[8,59,37,1,60,38],[8,44,20,4,45,21],[12,33,11,4,34,12],[3,145,115,1,146,116],[4,64,40,5,65,41],[11,36,16,5,37,17],[11,36,12,5,37,13],[5,109,87,1,110,88],[5,65,41,5,66,42],[5,54,24,7,55,25],[11,36,12],[5,122,98,1,123,99],[7,73,45,3,74,46],[15,43,19,2,44,20],[3,45,15,13,46,16],[1,135,107,5,136,108],[10,74,46,1,75,47],[1,50,22,15,51,23],[2,42,14,17,43,15],[5,150,120,1,151,121],[9,69,43,4,70,44],[17,50,22,1,51,23],[2,42,14,19,43,15],[3,141,113,4,142,114],[3,70,44,11,71,45],[17,47,21,4,48,22],[9,39,13,16,40,14],[3,135,107,5,136,108],[3,67,41,13,68,42],[15,54,24,5,55,25],[15,43,15,10,44,16],[4,144,116,4,145,117],[17,68,42],[17,50,22,6,51,23],[19,46,16,6,47,17],[2,139,111,7,140,112],[17,74,46],[7,54,24,16,55,25],[34,37,13],[4,151,121,5,152,122],[4,75,47,14,76,48],[11,54,24,14,55,25],[16,45,15,14,46,16],[6,147,117,4,148,118],[6,73,45,14,74,46],[11,54,24,16,55,25],[30,46,16,2,47,17],[8,132,106,4,133,107],[8,75,47,13,76,48],[7,54,24,22,55,25],[22,45,15,13,46,16],[10,142,114,2,143,115],[19,74,46,4,75,47],[28,50,22,6,51,23],[33,46,16,4,47,17],[8,152,122,4,153,123],[22,73,45,3,74,46],[8,53,23,26,54,24],[12,45,15,28,46,16],[3,147,117,10,148,118],[3,73,45,23,74,46],[4,54,24,31,55,25],[11,45,15,31,46,16],[7,146,116,7,147,117],[21,73,45,7,74,46],[1,53,23,37,54,24],[19,45,15,26,46,16],[5,145,115,10,146,116],[19,75,47,10,76,48],[15,54,24,25,55,25],[23,45,15,25,46,16],[13,145,115,3,146,116],[2,74,46,29,75,47],[42,54,24,1,55,25],[23,45,15,28,46,16],[17,145,115],[10,74,46,23,75,47],[10,54,24,35,55,25],[19,45,15,35,46,16],[17,145,115,1,146,116],[14,74,46,21,75,47],[29,54,24,19,55,25],[11,45,15,46,46,16],[13,145,115,6,146,116],[14,74,46,23,75,47],[44,54,24,7,55,25],[59,46,16,1,47,17],[12,151,121,7,152,122],[12,75,47,26,76,48],[39,54,24,14,55,25],[22,45,15,41,46,16],[6,151,121,14,152,122],[6,75,47,34,76,48],[46,54,24,10,55,25],[2,45,15,64,46,16],[17,152,122,4,153,123],[29,74,46,14,75,47],[49,54,24,10,55,25],[24,45,15,46,46,16],[4,152,122,18,153,123],[13,74,46,32,75,47],[48,54,24,14,55,25],[42,45,15,32,46,16],[20,147,117,4,148,118],[40,75,47,7,76,48],[43,54,24,22,55,25],[10,45,15,67,46,16],[19,148,118,6,149,119],[18,75,47,31,76,48],[34,54,24,34,55,25],[20,45,15,61,46,16]];QRRSBlock.getRSBlocks=function(typeNumber,errorCorrectLevel){var rsBlock=QRRSBlock.getRsBlockTable(typeNumber,errorCorrectLevel);if(rsBlock==undefined){throw new Error("bad rs block @ typeNumber:"+typeNumber+"/errorCorrectLevel:"+errorCorrectLevel);}
+	var length=rsBlock.length/3;var list=[];for(var i=0;i<length;i++){var count=rsBlock[i*3+0];var totalCount=rsBlock[i*3+1];var dataCount=rsBlock[i*3+2];for(var j=0;j<count;j++){list.push(new QRRSBlock(totalCount,dataCount));}}
+	return list;};QRRSBlock.getRsBlockTable=function(typeNumber,errorCorrectLevel){switch(errorCorrectLevel){case QRErrorCorrectLevel.L:return QRRSBlock.RS_BLOCK_TABLE[(typeNumber-1)*4+0];case QRErrorCorrectLevel.M:return QRRSBlock.RS_BLOCK_TABLE[(typeNumber-1)*4+1];case QRErrorCorrectLevel.Q:return QRRSBlock.RS_BLOCK_TABLE[(typeNumber-1)*4+2];case QRErrorCorrectLevel.H:return QRRSBlock.RS_BLOCK_TABLE[(typeNumber-1)*4+3];default:return undefined;}};function QRBitBuffer(){this.buffer=[];this.length=0;}
+	QRBitBuffer.prototype={get:function(index){var bufIndex=Math.floor(index/8);return((this.buffer[bufIndex]>>>(7-index%8))&1)==1;},put:function(num,length){for(var i=0;i<length;i++){this.putBit(((num>>>(length-i-1))&1)==1);}},getLengthInBits:function(){return this.length;},putBit:function(bit){var bufIndex=Math.floor(this.length/8);if(this.buffer.length<=bufIndex){this.buffer.push(0);}
+	if(bit){this.buffer[bufIndex]|=(0x80>>>(this.length%8));}
+	this.length++;}};var QRCodeLimitLength=[[17,14,11,7],[32,26,20,14],[53,42,32,24],[78,62,46,34],[106,84,60,44],[134,106,74,58],[154,122,86,64],[192,152,108,84],[230,180,130,98],[271,213,151,119],[321,251,177,137],[367,287,203,155],[425,331,241,177],[458,362,258,194],[520,412,292,220],[586,450,322,250],[644,504,364,280],[718,560,394,310],[792,624,442,338],[858,666,482,382],[929,711,509,403],[1003,779,565,439],[1091,857,611,461],[1171,911,661,511],[1273,997,715,535],[1367,1059,751,593],[1465,1125,805,625],[1528,1190,868,658],[1628,1264,908,698],[1732,1370,982,742],[1840,1452,1030,790],[1952,1538,1112,842],[2068,1628,1168,898],[2188,1722,1228,958],[2303,1809,1283,983],[2431,1911,1351,1051],[2563,1989,1423,1093],[2699,2099,1499,1139],[2809,2213,1579,1219],[2953,2331,1663,1273]];
+	
+	function _isSupportCanvas() {
+		return typeof CanvasRenderingContext2D != "undefined";
+	}
+	
+	// android 2.x doesn't support Data-URI spec
+	function _getAndroid() {
+		var android = false;
+		var sAgent = navigator.userAgent;
+		
+		if (/android/i.test(sAgent)) { // android
+			android = true;
+			var aMat = sAgent.toString().match(/android ([0-9]\.[0-9])/i);
+			
+			if (aMat && aMat[1]) {
+				android = parseFloat(aMat[1]);
+			}
+		}
+		
+		return android;
+	}
+	
+	var svgDrawer = (function() {
+
+		var Drawing = function (el, htOption) {
+			this._el = el;
+			this._htOption = htOption;
+		};
+
+		Drawing.prototype.draw = function (oQRCode) {
+			var _htOption = this._htOption;
+			var _el = this._el;
+			var nCount = oQRCode.getModuleCount();
+			var nWidth = Math.floor(_htOption.width / nCount);
+			var nHeight = Math.floor(_htOption.height / nCount);
+
+			this.clear();
+
+			function makeSVG(tag, attrs) {
+				var el = document.createElementNS('http://www.w3.org/2000/svg', tag);
+				for (var k in attrs)
+					if (attrs.hasOwnProperty(k)) el.setAttribute(k, attrs[k]);
+				return el;
+			}
+
+			var svg = makeSVG("svg" , {'viewBox': '0 0 ' + String(nCount) + " " + String(nCount), 'width': '100%', 'height': '100%', 'fill': _htOption.colorLight});
+			svg.setAttributeNS("http://www.w3.org/2000/xmlns/", "xmlns:xlink", "http://www.w3.org/1999/xlink");
+			_el.appendChild(svg);
+
+			svg.appendChild(makeSVG("rect", {"fill": _htOption.colorLight, "width": "100%", "height": "100%"}));
+			svg.appendChild(makeSVG("rect", {"fill": _htOption.colorDark, "width": "1", "height": "1", "id": "template"}));
+
+			for (var row = 0; row < nCount; row++) {
+				for (var col = 0; col < nCount; col++) {
+					if (oQRCode.isDark(row, col)) {
+						var child = makeSVG("use", {"x": String(col), "y": String(row)});
+						child.setAttributeNS("http://www.w3.org/1999/xlink", "href", "#template")
+						svg.appendChild(child);
+					}
+				}
+			}
+		};
+		Drawing.prototype.clear = function () {
+			while (this._el.hasChildNodes())
+				this._el.removeChild(this._el.lastChild);
+		};
+		return Drawing;
+	})();
+
+	var useSVG = document.documentElement.tagName.toLowerCase() === "svg";
+
+	// Drawing in DOM by using Table tag
+	var Drawing = useSVG ? svgDrawer : !_isSupportCanvas() ? (function () {
+		var Drawing = function (el, htOption) {
+			this._el = el;
+			this._htOption = htOption;
+		};
+			
+		/**
+		 * Draw the QRCode
+		 * 
+		 * @param {QRCode} oQRCode
+		 */
+		Drawing.prototype.draw = function (oQRCode) {
+            var _htOption = this._htOption;
+            var _el = this._el;
+			var nCount = oQRCode.getModuleCount();
+			var nWidth = Math.floor(_htOption.width / nCount);
+			var nHeight = Math.floor(_htOption.height / nCount);
+			var aHTML = ['<table style="border:0;border-collapse:collapse;">'];
+			
+			for (var row = 0; row < nCount; row++) {
+				aHTML.push('<tr>');
+				
+				for (var col = 0; col < nCount; col++) {
+					aHTML.push('<td style="border:0;border-collapse:collapse;padding:0;margin:0;width:' + nWidth + 'px;height:' + nHeight + 'px;background-color:' + (oQRCode.isDark(row, col) ? _htOption.colorDark : _htOption.colorLight) + ';"></td>');
+				}
+				
+				aHTML.push('</tr>');
+			}
+			
+			aHTML.push('</table>');
+			_el.innerHTML = aHTML.join('');
+			
+			// Fix the margin values as real size.
+			var elTable = _el.childNodes[0];
+			var nLeftMarginTable = (_htOption.width - elTable.offsetWidth) / 2;
+			var nTopMarginTable = (_htOption.height - elTable.offsetHeight) / 2;
+			
+			if (nLeftMarginTable > 0 && nTopMarginTable > 0) {
+				elTable.style.margin = nTopMarginTable + "px " + nLeftMarginTable + "px";	
+			}
+		};
+		
+		/**
+		 * Clear the QRCode
+		 */
+		Drawing.prototype.clear = function () {
+			this._el.innerHTML = '';
+		};
+		
+		return Drawing;
+	})() : (function () { // Drawing in Canvas
+		function _onMakeImage() {
+			this._elImage.src = this._elCanvas.toDataURL("image/png");
+			this._elImage.style.display = "block";
+			this._elCanvas.style.display = "none";			
+		}
+		
+		// Android 2.1 bug workaround
+		// http://code.google.com/p/android/issues/detail?id=5141
+		if (this._android && this._android <= 2.1) {
+	    	var factor = 1 / window.devicePixelRatio;
+	        var drawImage = CanvasRenderingContext2D.prototype.drawImage; 
+	    	CanvasRenderingContext2D.prototype.drawImage = function (image, sx, sy, sw, sh, dx, dy, dw, dh) {
+	    		if (("nodeName" in image) && /img/i.test(image.nodeName)) {
+		        	for (var i = arguments.length - 1; i >= 1; i--) {
+		            	arguments[i] = arguments[i] * factor;
+		        	}
+	    		} else if (typeof dw == "undefined") {
+	    			arguments[1] *= factor;
+	    			arguments[2] *= factor;
+	    			arguments[3] *= factor;
+	    			arguments[4] *= factor;
+	    		}
+	    		
+	        	drawImage.apply(this, arguments); 
+	    	};
+		}
+		
+		/**
+		 * Check whether the user's browser supports Data URI or not
+		 * 
+		 * @private
+		 * @param {Function} fSuccess Occurs if it supports Data URI
+		 * @param {Function} fFail Occurs if it doesn't support Data URI
+		 */
+		function _safeSetDataURI(fSuccess, fFail) {
+            var self = this;
+            self._fFail = fFail;
+            self._fSuccess = fSuccess;
+
+            // Check it just once
+            if (self._bSupportDataURI === null) {
+                var el = document.createElement("img");
+                var fOnError = function() {
+                    self._bSupportDataURI = false;
+
+                    if (self._fFail) {
+                        self._fFail.call(self);
+                    }
+                };
+                var fOnSuccess = function() {
+                    self._bSupportDataURI = true;
+
+                    if (self._fSuccess) {
+                        self._fSuccess.call(self);
+                    }
+                };
+
+                el.onabort = fOnError;
+                el.onerror = fOnError;
+                el.onload = fOnSuccess;
+                el.src = "data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12P4//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg=="; // the Image contains 1px data.
+                return;
+            } else if (self._bSupportDataURI === true && self._fSuccess) {
+                self._fSuccess.call(self);
+            } else if (self._bSupportDataURI === false && self._fFail) {
+                self._fFail.call(self);
+            }
+		};
+		
+		/**
+		 * Drawing QRCode by using canvas
+		 * 
+		 * @constructor
+		 * @param {HTMLElement} el
+		 * @param {Object} htOption QRCode Options 
+		 */
+		var Drawing = function (el, htOption) {
+    		this._bIsPainted = false;
+    		this._android = _getAndroid();
+		
+			this._htOption = htOption;
+			this._elCanvas = document.createElement("canvas");
+			this._elCanvas.width = htOption.width;
+			this._elCanvas.height = htOption.height;
+			el.appendChild(this._elCanvas);
+			this._el = el;
+			this._oContext = this._elCanvas.getContext("2d");
+			this._bIsPainted = false;
+			this._elImage = document.createElement("img");
+			this._elImage.alt = "Scan me!";
+			this._elImage.style.display = "none";
+			this._el.appendChild(this._elImage);
+			this._bSupportDataURI = null;
+		};
+			
+		/**
+		 * Draw the QRCode
+		 * 
+		 * @param {QRCode} oQRCode 
+		 */
+		Drawing.prototype.draw = function (oQRCode) {
+            var _elImage = this._elImage;
+            var _oContext = this._oContext;
+            var _htOption = this._htOption;
+            
+			var nCount = oQRCode.getModuleCount();
+			var nWidth = _htOption.width / nCount;
+			var nHeight = _htOption.height / nCount;
+			var nRoundedWidth = Math.round(nWidth);
+			var nRoundedHeight = Math.round(nHeight);
+
+			_elImage.style.display = "none";
+			this.clear();
+			
+			for (var row = 0; row < nCount; row++) {
+				for (var col = 0; col < nCount; col++) {
+					var bIsDark = oQRCode.isDark(row, col);
+					var nLeft = col * nWidth;
+					var nTop = row * nHeight;
+					_oContext.strokeStyle = bIsDark ? _htOption.colorDark : _htOption.colorLight;
+					_oContext.lineWidth = 1;
+					_oContext.fillStyle = bIsDark ? _htOption.colorDark : _htOption.colorLight;					
+					_oContext.fillRect(nLeft, nTop, nWidth, nHeight);
+					
+					// 안티 앨리어싱 방지 처리
+					_oContext.strokeRect(
+						Math.floor(nLeft) + 0.5,
+						Math.floor(nTop) + 0.5,
+						nRoundedWidth,
+						nRoundedHeight
+					);
+					
+					_oContext.strokeRect(
+						Math.ceil(nLeft) - 0.5,
+						Math.ceil(nTop) - 0.5,
+						nRoundedWidth,
+						nRoundedHeight
+					);
+				}
+			}
+			
+			this._bIsPainted = true;
+		};
+			
+		/**
+		 * Make the image from Canvas if the browser supports Data URI.
+		 */
+		Drawing.prototype.makeImage = function () {
+			if (this._bIsPainted) {
+				_safeSetDataURI.call(this, _onMakeImage);
+			}
+		};
+			
+		/**
+		 * Return whether the QRCode is painted or not
+		 * 
+		 * @return {Boolean}
+		 */
+		Drawing.prototype.isPainted = function () {
+			return this._bIsPainted;
+		};
+		
+		/**
+		 * Clear the QRCode
+		 */
+		Drawing.prototype.clear = function () {
+			this._oContext.clearRect(0, 0, this._elCanvas.width, this._elCanvas.height);
+			this._bIsPainted = false;
+		};
+		
+		/**
+		 * @private
+		 * @param {Number} nNumber
+		 */
+		Drawing.prototype.round = function (nNumber) {
+			if (!nNumber) {
+				return nNumber;
+			}
+			
+			return Math.floor(nNumber * 1000) / 1000;
+		};
+		
+		return Drawing;
+	})();
+	
+	/**
+	 * Get the type by string length
+	 * 
+	 * @private
+	 * @param {String} sText
+	 * @param {Number} nCorrectLevel
+	 * @return {Number} type
+	 */
+	function _getTypeNumber(sText, nCorrectLevel) {			
+		var nType = 1;
+		var length = _getUTF8Length(sText);
+		
+		for (var i = 0, len = QRCodeLimitLength.length; i <= len; i++) {
+			var nLimit = 0;
+			
+			switch (nCorrectLevel) {
+				case QRErrorCorrectLevel.L :
+					nLimit = QRCodeLimitLength[i][0];
+					break;
+				case QRErrorCorrectLevel.M :
+					nLimit = QRCodeLimitLength[i][1];
+					break;
+				case QRErrorCorrectLevel.Q :
+					nLimit = QRCodeLimitLength[i][2];
+					break;
+				case QRErrorCorrectLevel.H :
+					nLimit = QRCodeLimitLength[i][3];
+					break;
+			}
+			
+			if (length <= nLimit) {
+				break;
+			} else {
+				nType++;
+			}
+		}
+		
+		if (nType > QRCodeLimitLength.length) {
+			throw new Error("Too long data");
+		}
+		
+		return nType;
+	}
+
+	function _getUTF8Length(sText) {
+		var replacedText = encodeURI(sText).toString().replace(/\%[0-9a-fA-F]{2}/g, 'a');
+		return replacedText.length + (replacedText.length != sText ? 3 : 0);
+	}
+	
+	/**
+	 * @class QRCode
+	 * @constructor
+	 * @example 
+	 * new QRCode(document.getElementById("test"), "http://jindo.dev.naver.com/collie");
+	 *
+	 * @example
+	 * var oQRCode = new QRCode("test", {
+	 *    text : "http://naver.com",
+	 *    width : 128,
+	 *    height : 128
+	 * });
+	 * 
+	 * oQRCode.clear(); // Clear the QRCode.
+	 * oQRCode.makeCode("http://map.naver.com"); // Re-create the QRCode.
+	 *
+	 * @param {HTMLElement|String} el target element or 'id' attribute of element.
+	 * @param {Object|String} vOption
+	 * @param {String} vOption.text QRCode link data
+	 * @param {Number} [vOption.width=256]
+	 * @param {Number} [vOption.height=256]
+	 * @param {String} [vOption.colorDark="#000000"]
+	 * @param {String} [vOption.colorLight="#ffffff"]
+	 * @param {QRCode.CorrectLevel} [vOption.correctLevel=QRCode.CorrectLevel.H] [L|M|Q|H] 
+	 */
+	QRCode = function (el, vOption) {
+		this._htOption = {
+			width : 256, 
+			height : 256,
+			typeNumber : 4,
+			colorDark : "#000000",
+			colorLight : "#ffffff",
+			correctLevel : QRErrorCorrectLevel.H
+		};
+		
+		if (typeof vOption === 'string') {
+			vOption	= {
+				text : vOption
+			};
+		}
+		
+		// Overwrites options
+		if (vOption) {
+			for (var i in vOption) {
+				this._htOption[i] = vOption[i];
+			}
+		}
+		
+		if (typeof el == "string") {
+			el = document.getElementById(el);
+		}
+
+		if (this._htOption.useSVG) {
+			Drawing = svgDrawer;
+		}
+		
+		this._android = _getAndroid();
+		this._el = el;
+		this._oQRCode = null;
+		this._oDrawing = new Drawing(this._el, this._htOption);
+		
+		if (this._htOption.text) {
+			this.makeCode(this._htOption.text);	
+		}
+	};
+	
+	/**
+	 * Make the QRCode
+	 * 
+	 * @param {String} sText link data
+	 */
+	QRCode.prototype.makeCode = function (sText) {
+		this._oQRCode = new QRCodeModel(_getTypeNumber(sText, this._htOption.correctLevel), this._htOption.correctLevel);
+		this._oQRCode.addData(sText);
+		this._oQRCode.make();
+		this._el.title = sText;
+		this._oDrawing.draw(this._oQRCode);			
+		this.makeImage();
+	};
+	
+	/**
+	 * Make the Image from Canvas element
+	 * - It occurs automatically
+	 * - Android below 3 doesn't support Data-URI spec.
+	 * 
+	 * @private
+	 */
+	QRCode.prototype.makeImage = function () {
+		if (typeof this._oDrawing.makeImage == "function" && (!this._android || this._android >= 3)) {
+			this._oDrawing.makeImage();
+		}
+	};
+	
+	/**
+	 * Clear the QRCode
+	 */
+	QRCode.prototype.clear = function () {
+		this._oDrawing.clear();
+	};
+	
+	/**
+	 * @name QRCode.CorrectLevel
+	 */
+	QRCode.CorrectLevel = QRErrorCorrectLevel;
+})();

static/deps/video.js

@@ -0,0 +1,272 @@
+var ZXing = null;
+var decodePtr = null;
+
+var stop_camera = false;
+
+var videoElement = document.getElementById('video');
+var canvas = document.getElementById('pcCanvas');
+var mobileCanvas = document.getElementById('mobileCanvas');
+var ctx = canvas.getContext('2d');
+var mobileCtx = mobileCanvas.getContext('2d');
+var videoSelect = document.querySelector('select#videoSource');
+var videoOption = document.getElementById('videoOption');
+var buttonGo = document.getElementById('go');
+
+var isPaused = false;
+var videoWidth = 640,
+  videoHeight = 480;
+var mobileVideoWidth = 240,
+  mobileVideoHeight = 320;
+var isPC = true;
+
+
+var tick = function () {
+  if (window.ZXing) {
+    ZXing = ZXing();
+    decodePtr = ZXing.Runtime.addFunction(decodeCallback);
+  } else {
+    setTimeout(tick, 10);
+  }
+};
+tick();
+
+
+
+function stop_camera_now() {
+    stop_camera = true;
+    
+    if ( stop_camera  == true ) { // stop accessing camera
+      if (window.stream) {
+    window.stream.getTracks().forEach(function(track) {
+      track.stop();
+    });
+  }
+  //window.stream = "";
+  console.log("stopping camera");
+  canvas.style.display = 'none';
+  mobileCanvas.style.display = 'none';
+  buttonGo.disabled = false;
+
+  qr_code_reader_div.style.display ='none';
+  }
+    
+}
+
+var decodeCallback = function (ptr, len, resultIndex, resultCount) {
+  var result = new Uint8Array(ZXing.HEAPU8.buffer, ptr, len);
+  console.log("text found "+ String.fromCharCode.apply(null, result));
+  
+  send_to_address.value = String.fromCharCode.apply(null, result);
+  validate_dero_address(); // validate the address 
+  
+  
+  stop_camera_now(); // we have decoded something, so lets turn off the camera
+};
+
+// check devices
+function browserRedirect() {
+  var deviceType;
+  var sUserAgent = navigator.userAgent.toLowerCase();
+  var bIsIpad = sUserAgent.match(/ipad/i) == "ipad";
+  var bIsIphoneOs = sUserAgent.match(/iphone os/i) == "iphone os";
+  var bIsMidp = sUserAgent.match(/midp/i) == "midp";
+  var bIsUc7 = sUserAgent.match(/rv:1.2.3.4/i) == "rv:1.2.3.4";
+  var bIsUc = sUserAgent.match(/ucweb/i) == "ucweb";
+  var bIsAndroid = sUserAgent.match(/android/i) == "android";
+  var bIsCE = sUserAgent.match(/windows ce/i) == "windows ce";
+  var bIsWM = sUserAgent.match(/windows mobile/i) == "windows mobile";
+  if (bIsIpad || bIsIphoneOs || bIsMidp || bIsUc7 || bIsUc || bIsAndroid || bIsCE || bIsWM) {
+    deviceType = 'phone';
+  } else {
+    deviceType = 'pc';
+  }
+  return deviceType;
+}
+
+if (browserRedirect() == 'pc') {
+  isPC = true;
+} else {
+  isPC = false;
+}
+
+
+
+// stackoverflow: http://stackoverflow.com/questions/4998908/convert-data-uri-to-file-then-append-to-formdata/5100158
+function dataURItoBlob(dataURI) {
+  // convert base64/URLEncoded data component to raw binary data held in a string
+  var byteString;
+  if (dataURI.split(',')[0].indexOf('base64') >= 0)
+    byteString = atob(dataURI.split(',')[1]);
+  else
+    byteString = unescape(dataURI.split(',')[1]);
+
+  // separate out the mime component
+  var mimeString = dataURI.split(',')[0].split(':')[1].split(';')[0];
+
+  // write the bytes of the string to a typed array
+  var ia = new Uint8Array(byteString.length);
+  for (var i = 0; i < byteString.length; i++) {
+    ia[i] = byteString.charCodeAt(i);
+  }
+
+  return new Blob([ia], {
+    type: mimeString
+  });
+}
+
+
+   var qrcode_readerCanvas = document.createElement("canvas");
+   
+// scan barcode
+function scanBarcode() {
+  
+
+  if (ZXing == null) {
+    buttonGo.disabled = false;
+    alert("QRcode Reader is not ready!");
+    return;
+  }
+
+  var data = null,
+    context = null,
+    width = 0,
+    height = 0,
+    dbrCanvas = null;
+
+  if (isPC) {
+    context = ctx;
+    width = videoWidth;
+    height = videoHeight;
+    dbrCanvas = canvas;
+  } else {
+    context = mobileCtx;
+    width = mobileVideoWidth;
+    height = mobileVideoHeight;
+    dbrCanvas = mobileCanvas;
+  }
+  
+  var err;
+
+  //context.drawImage(videoElement, 0, 0, width, height);  // draw image
+
+  var vid = document.getElementById("video");
+  
+  // console.log("video width: " + vid.videoWidth + ", height: " + vid.videoHeight);
+  
+  
+   // we are using the original camera frame
+  if (vid.videoWidth >= 1 && vid.videoHeight >= 1) {
+ var imageWidth = videoElement.videoWidth
+ var imageHeight = videoElement.videoHeight;
+  
+  qrcode_readerCanvas.width =   vid.videoWidth;