mirror of https://github.com/status-im/bip39.git
112 lines
3.2 KiB
JavaScript
112 lines
3.2 KiB
JavaScript
var assert = require('assert')
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var BIP39 = require('../index.js')
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var wordlists = {
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english: require('../wordlists/en.json'),
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custom: require('./wordlist.json')
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}
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var vectors = require('./vectors.json')
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describe('BIP39', function() {
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describe('mnemonicToSeedHex', function() {
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this.timeout(20000)
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vectors.english.forEach(function(v, i) {
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it('works for tests vector ' + i, function() {
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assert.equal(BIP39.mnemonicToSeedHex(v[1], 'TREZOR'), v[2])
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})
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})
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})
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describe('mnemonicToEntropy', function() {
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vectors.english.forEach(function(v, i) {
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it('works for tests vector ' + i, function() {
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assert.equal(BIP39.mnemonicToEntropy(v[1]), v[0])
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})
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})
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vectors.custom.forEach(function(v, i) {
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it('works for custom test vector ' + i, function() {
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assert.equal(BIP39.mnemonicToEntropy(v[1], wordlists.custom), v[0])
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})
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})
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})
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describe('entropyToMnemonic', function() {
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vectors.english.forEach(function(v, i) {
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it('works for tests vector ' + i, function() {
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assert.equal(BIP39.entropyToMnemonic(v[0]), v[1])
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})
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})
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vectors.custom.forEach(function(v, i) {
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it('works for custom test vector ' + i, function() {
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assert.equal(BIP39.entropyToMnemonic(v[0], wordlists.custom), v[1])
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})
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})
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})
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describe('generateMnemonic', function() {
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it('generates a mnemonic', function() {
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var mnemonic = BIP39.generateMnemonic(96)
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var words = mnemonic.split(' ')
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assert.equal(words.length, 9)
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})
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it('allows a custom RNG to be used', function() {
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var rng = function(size) {
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var buffer = new Buffer(size)
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buffer.fill(4) // guaranteed random
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return buffer
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}
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var mnemonic = BIP39.generateMnemonic(64, rng)
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assert.equal(mnemonic, 'advice cage absurd amount doctor act')
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})
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it('adheres to a custom wordlist', function() {
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var rng = function(size) {
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var buffer = new Buffer(size)
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buffer.fill(4) // guaranteed random
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return buffer
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}
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var mnemonic = BIP39.generateMnemonic(64, rng, wordlists.custom)
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assert.equal(mnemonic, 'adv1c3 cag3 ab5urd am0unt d0ct0r act')
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})
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})
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describe('validateMnemonic', function() {
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vectors.english.forEach(function(v, i) {
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it('passes check ' + i, function() {
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assert(BIP39.validateMnemonic(v[1]))
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})
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})
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describe('with a custom wordlist', function() {
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vectors.custom.forEach(function(v, i) {
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it('passes custom check ' + i, function() {
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assert(BIP39.validateMnemonic(v[1], wordlists.custom))
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})
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})
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})
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it('fails for mnemonics of wrong length', function() {
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assert(!BIP39.validateMnemonic('sleep kitten'))
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assert(!BIP39.validateMnemonic('sleep kitten sleep kitten sleep kitten'))
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})
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it('fails for mnemonics that contains words not from the word list', function() {
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assert(!BIP39.validateMnemonic("turtle front uncle idea crush write shrug there lottery flower risky shell"))
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})
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it('fails for mnemonics of invalid checksum', function() {
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assert(!BIP39.validateMnemonic('sleep kitten sleep kitten sleep kitten sleep kitten sleep kitten sleep kitten'))
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})
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})
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})
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