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move helper function definitions before usage

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Daniel Cousens 2017-05-12 12:10:20 +10:00
parent f6bcccc258
commit f55f62f1a5
1 changed files with 11 additions and 13 deletions
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24
index.js
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@ -5,6 +5,11 @@ var randomBytes = require('randombytes')
// use unorm until String.prototype.normalize gets better browser support
var unorm = require('unorm')
function lpad (str, padString, length) {
while (str.length < length) str = padString + str
return str
}
var ENGLISH_WORDLIST = require('./wordlists/english.json')
var FRENCH_WORDLIST = require('./wordlists/french.json')
var ITALIAN_WORDLIST = require('./wordlists/italian.json')
@ -106,6 +111,12 @@ function validateMnemonic (mnemonic, wordlist) {
return true
}
function bytesToBinary (bytes) {
return bytes.map(function (x) {
return lpad(x.toString(2), '0', 8)
}).join('')
}
function checksumBits (entropyBuffer) {
var hash = createHash('sha256').update(entropyBuffer).digest()
@ -116,19 +127,6 @@ function checksumBits (entropyBuffer) {
return bytesToBinary([].slice.call(hash)).slice(0, CS)
}
// =========== helper methods from bitcoinjs-lib ========
function bytesToBinary (bytes) {
return bytes.map(function (x) {
return lpad(x.toString(2), '0', 8)
}).join('')
}
function lpad (str, padString, length) {
while (str.length < length) str = padString + str
return str
}
module.exports = {
mnemonicToSeed: mnemonicToSeed,
mnemonicToSeedHex: mnemonicToSeedHex,