Removed useless functions from util

src/util.js

@@ -10,18 +10,6 @@ module.exports = {
     return Object.prototype.toString.call(o) === '[object Array]';
   },
 
-  /**
-   * Create an array of a certain length filled with a specific value.
-   */
-  makeFilledArray: function (len, val)
-  {
-    var array = [];
-    var i = 0;
-    while (i < len) {
-      array[i++] = val;
-    }
-    return array;
-  },
   /**
    * Create a byte array representing a number with the given length
    */
@@ -53,65 +41,6 @@ module.exports = {
     else return [253].concat(m.numToBytes(num,8));
   },
 
-  /**
-   * Parse a Bitcoin value byte array, returning a BigInteger.
-   */
-  valueToBigInt: function (valueBuffer)
-  {
-    if (valueBuffer instanceof BigInteger) return valueBuffer;
-
-    // Prepend zero byte to prevent interpretation as negative integer
-    return BigInteger.fromByteArrayUnsigned(valueBuffer);
-  },
-
-  /**
-   * Format a Bitcoin value as a string.
-   *
-   * Takes a Number, BigInteger or byte-array and returns that amount of Bitcoins in a
-   * nice standard formatting.
-   *
-   * Examples:
-   * 12.3555
-   * 0.1234
-   * 900.99998888
-   * 34.00
-   */
-  formatValue: function (value) {
-    if (typeof value == 'number') {
-      value = value/100000000;
-      // at least two decimal places
-      return Math.floor(value*10)==value*10 ? value.toFixed(2) : ''+value;
-    } else {
-      value = module.exports.valueToBigInt(value).toString();
-      var integerPart = value.length > 8 ? value.substr(0, value.length-8) : '0';
-      var decimalPart = value.length > 8 ? value.substr(value.length-8) : value;
-      while (decimalPart.length < 8) decimalPart = "0"+decimalPart;
-      decimalPart = decimalPart.replace(/0*$/, '');
-      while (decimalPart.length < 2) decimalPart += "0";
-      return integerPart+"."+decimalPart;
-    }
-  },
-
-  /**
-   * Parse a floating point string as a Bitcoin value.
-   *
-   * Keep in mind that parsing user input is messy. You should always display
-   * the parsed value back to the user to make sure we understood his input
-   * correctly.
-   */
-  parseValue: function (valueString) {
-    // TODO: Detect other number formats (e.g. comma as decimal separator)
-    var valueComp = valueString.split('.');
-    var integralPart = valueComp[0];
-    var fractionalPart = valueComp[1] || "0";
-    while (fractionalPart.length < 8) fractionalPart += "0";
-    fractionalPart = fractionalPart.replace(/^0+/g, '');
-    var value = BigInteger.valueOf(parseInt(integralPart));
-    value = value.multiply(BigInteger.valueOf(100000000));
-    value = value.add(BigInteger.valueOf(parseInt(fractionalPart)));
-    return value;
-  },
-
   bytesToWords: function (bytes) {
         var words = [];
         for (var i = 0, b = 0; i < bytes.length; i++, b += 8) {