(function() {
- var mnemonic = new Mnemonic("english");
+ // mnemonics is populated as required by getLanguage
+ var mnemonics = { "english": new Mnemonic("english") };
+ var mnemonic = mnemonics["english"];
var seed = null
var bip32RootKey = null;
var bip32ExtendedKey = null;
DOM.indexToggle = $(".index-toggle");
DOM.addressToggle = $(".address-toggle");
DOM.privateKeyToggle = $(".private-key-toggle");
+ DOM.languages = $(".languages a");
function init() {
// Events
DOM.indexToggle.on("click", toggleIndexes);
DOM.addressToggle.on("click", toggleAddresses);
DOM.privateKeyToggle.on("click", togglePrivateKeys);
+ DOM.languages.on("click", languageChanged);
disableForms();
hidePending();
hideValidationError();
function phraseChanged() {
showPending();
hideValidationError();
+ setMnemonicLanguage();
// Get the mnemonic phrase
var phrase = DOM.phrase.val();
var errorText = findPhraseErrors(phrase);
clearDisplay();
showPending();
setTimeout(function() {
+ setMnemonicLanguage();
var phrase = generateRandomPhrase();
if (!phrase) {
return;
}, 50);
}
+ function languageChanged() {
+ setTimeout(function() {
+ setMnemonicLanguage();
+ if (DOM.phrase.val().length > 0) {
+ var newPhrase = convertPhraseToNewLanguage();
+ DOM.phrase.val(newPhrase);
+ phraseChanged();
+ }
+ else {
+ DOM.generate.trigger("click");
+ }
+ }, 50);
+ }
+
function toggleIndexes() {
showIndex = !showIndex;
$("td.index span").toggleClass("invisible");
// TODO make this right
// Preprocess the words
phrase = mnemonic.normalizeString(phrase);
- var parts = phrase.split(" ");
- var proper = [];
- for (var i=0; i<parts.length; i++) {
- var part = parts[i];
- if (part.length > 0) {
- // TODO check that lowercasing is always valid to do
- proper.push(part.toLowerCase());
- }
- }
- var properPhrase = proper.join(' ');
+ var words = phraseToWordArray(phrase);
// Check each word
- for (var i=0; i<proper.length; i++) {
- var word = proper[i];
- if (WORDLISTS["english"].indexOf(word) == -1) {
+ for (var i=0; i<words.length; i++) {
+ var word = words[i];
+ var language = getLanguage();
+ if (WORDLISTS[language].indexOf(word) == -1) {
console.log("Finding closest match to " + word);
var nearestWord = findNearestWord(word);
return word + " not in wordlist, did you mean " + nearestWord + "?";
}
}
// Check the words are valid
+ var properPhrase = wordArrayToPhrase(words);
var isValid = mnemonic.check(properPhrase);
if (!isValid) {
return "Invalid mnemonic";
}
function findNearestWord(word) {
- var words = WORDLISTS["english"];
+ var language = getLanguage();
+ var words = WORDLISTS[language];
var minDistance = 99;
var closestWord = words[0];
for (var i=0; i<words.length; i++) {
}
}
+ function getLanguage() {
+ var defaultLanguage = "english";
+ // Try to get from existing phrase
+ var language = getLanguageFromPhrase();
+ // Try to get from url if not from phrase
+ if (language.length == 0) {
+ language = getLanguageFromUrl();
+ }
+ // Default to English if no other option
+ if (language.length == 0) {
+ language = defaultLanguage;
+ }
+ return language;
+ }
+
+ function getLanguageFromPhrase(phrase) {
+ // Check if how many words from existing phrase match a language.
+ var language = "";
+ if (!phrase) {
+ phrase = DOM.phrase.val();
+ }
+ if (phrase.length > 0) {
+ var words = phraseToWordArray(phrase);
+ var languageMatches = {};
+ for (l in WORDLISTS) {
+ // Track how many words match in this language
+ languageMatches[l] = 0;
+ for (var i=0; i<words.length; i++) {
+ var wordInLanguage = WORDLISTS[l].indexOf(words[i]) > -1;
+ if (wordInLanguage) {
+ languageMatches[l]++;
+ }
+ }
+ // Find languages with most word matches.
+ // This is made difficult due to commonalities between Chinese
+ // simplified vs traditional.
+ var mostMatches = 0;
+ var mostMatchedLanguages = [];
+ for (var l in languageMatches) {
+ var numMatches = languageMatches[l];
+ if (numMatches > mostMatches) {
+ mostMatches = numMatches;
+ mostMatchedLanguages = [l];
+ }
+ else if (numMatches == mostMatches) {
+ mostMatchedLanguages.push(l);
+ }
+ }
+ }
+ if (mostMatchedLanguages.length > 0) {
+ // Use first language and warn if multiple detected
+ language = mostMatchedLanguages[0];
+ if (mostMatchedLanguages.length > 1) {
+ console.warn("Multiple possible languages");
+ console.warn(mostMatchedLanguages);
+ }
+ }
+ }
+ return language;
+ }
+
+ function getLanguageFromUrl() {
+ return window.location.hash.substring(1);
+ }
+
+ function setMnemonicLanguage() {
+ var language = getLanguage();
+ // Load the bip39 mnemonic generator for this language if required
+ if (!(language in mnemonics)) {
+ mnemonics[language] = new Mnemonic(language);
+ }
+ mnemonic = mnemonics[language];
+ }
+
+ function convertPhraseToNewLanguage() {
+ var oldLanguage = getLanguageFromPhrase();
+ var newLanguage = getLanguageFromUrl();
+ var oldPhrase = DOM.phrase.val();
+ var oldWords = phraseToWordArray(oldPhrase);
+ var newWords = [];
+ for (var i=0; i<oldWords.length; i++) {
+ var oldWord = oldWords[i];
+ var index = WORDLISTS[oldLanguage].indexOf(oldWord);
+ var newWord = WORDLISTS[newLanguage][index];
+ newWords.push(newWord);
+ }
+ newPhrase = wordArrayToPhrase(newWords);
+ return newPhrase;
+ }
+
+ // TODO look at jsbip39 - mnemonic.splitWords
+ function phraseToWordArray(phrase) {
+ var words = phrase.split(/\s/g);
+ var noBlanks = [];
+ for (var i=0; i<words.length; i++) {
+ var word = words[i];
+ if (word.length > 0) {
+ noBlanks.push(word);
+ }
+ }
+ return noBlanks;
+ }
+
+ // TODO look at jsbip39 - mnemonic.joinWords
+ function wordArrayToPhrase(words) {
+ var phrase = words.join(" ");
+ var language = getLanguageFromPhrase(phrase);
+ if (language == "japanese") {
+ phrase = words.join("\u3000");
+ }
+ return phrase;
+ }
+
var networks = [
{
name: "Bitcoin",
projects / perso / Immae / Projets / Cryptomonnaies / BIP39.git / blobdiff