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Removed useless functions from util

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vub 2013-12-01 22:27:13 -05:00
parent 0ef704574d
commit b3e7caada7
1 changed files with 0 additions and 71 deletions
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71
src/util.js
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@ -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) {