+ function populateNetworkSelect() {
+ for (var i=0; i<networks.length; i++) {
+ var network = networks[i];
+ var option = $("<option>");
+ option.attr("value", i);
+ option.text(network.name);
+ DOM.phraseNetwork.append(option);
+ }
+ }
+
+ function populateClientSelect() {
+ for (var i=0; i<clients.length; i++) {
+ var client = clients[i];
+ var option = $("<option>");
+ option.attr("value", i);
+ option.text(client.name);
+ DOM.bip32Client.append(option);
+ }
+ }
+
+ 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() {
+ for (var language in WORDLISTS) {
+ if (window.location.hash.indexOf(language) > -1) {
+ return language;
+ }
+ }
+ return "";
+ }
+
+ 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;
+ }
+
+ function isUsingOwnEntropy() {
+ return DOM.useEntropy.prop("checked");
+ }
+
+ function setMnemonicFromEntropy() {
+ clearEntropyFeedback();
+ // Get entropy value
+ var entropyStr = DOM.entropy.val();
+ // Work out minimum base for entropy
+ var entropy = Entropy.fromString(entropyStr);
+ if (entropy.binaryStr.length == 0) {
+ return;
+ }
+ // Show entropy details
+ showEntropyFeedback(entropy);
+ // Use entropy hash if not using raw entropy
+ var bits = entropy.binaryStr;
+ var mnemonicLength = DOM.entropyMnemonicLength.val();
+ if (mnemonicLength != "raw") {
+ // Get bits by hashing entropy with SHA256
+ var hash = sjcl.hash.sha256.hash(entropy.cleanStr);
+ var hex = sjcl.codec.hex.fromBits(hash);
+ bits = BigInteger.parse(hex, 16).toString(2);
+ while (bits.length % 256 != 0) {
+ bits = "0" + bits;
+ }
+ // Truncate hash to suit number of words
+ mnemonicLength = parseInt(mnemonicLength);
+ var numberOfBits = 32 * mnemonicLength / 3;
+ bits = bits.substring(0, numberOfBits);
+ }
+ // Discard trailing entropy
+ var bitsToUse = Math.floor(bits.length / 32) * 32;
+ var start = bits.length - bitsToUse;
+ var binaryStr = bits.substring(start);
+ // Convert entropy string to numeric array
+ var entropyArr = [];
+ for (var i=0; i<binaryStr.length / 8; i++) {
+ var byteAsBits = binaryStr.substring(i*8, i*8+8);
+ var entropyByte = parseInt(byteAsBits, 2);
+ entropyArr.push(entropyByte)
+ }
+ // Convert entropy array to mnemonic
+ var phrase = mnemonic.toMnemonic(entropyArr);
+ // Set the mnemonic in the UI
+ DOM.phrase.val(phrase);
+ }
+
+ function clearEntropyFeedback() {
+ DOM.entropyStrength.text("...");
+ DOM.entropyType.text("");
+ DOM.entropyWordCount.text("0");
+ DOM.entropyEventCount.text("0");
+ DOM.entropyBitsPerEvent.text("0");
+ DOM.entropyBits.text("0");
+ DOM.entropyFiltered.html(" ");
+ DOM.entropyBinary.html(" ");
+ }
+
+ function showEntropyFeedback(entropy) {
+ var numberOfBits = entropy.binaryStr.length;
+ var strength = "extremely weak";
+ if (numberOfBits >= 64) {
+ strength = "very weak";
+ }
+ if (numberOfBits >= 96) {
+ strength = "weak";
+ }
+ if (numberOfBits >= 128) {
+ strength = "strong";
+ }
+ if (numberOfBits >= 160) {
+ strength = "very strong";
+ }
+ if (numberOfBits >= 192) {
+ strength = "extremely strong";
+ }
+ // If time to crack is less than one day, and password is considered
+ // strong or better based on the number of bits, rename strength to
+ // 'easily cracked'.
+ try {
+ var z = zxcvbn(entropy.base.parts.join(""));
+ var timeToCrack = z.crack_times_seconds.offline_fast_hashing_1e10_per_second;
+ if (timeToCrack < 86400 && entropy.binaryStr.length >= 128) {
+ strength = "easily cracked";
+ if (z.feedback.warning != "") {
+ strength = strength + " - " + z.feedback.warning;
+ };
+ }
+ }
+ catch (e) {
+ strength = "unknown";
+ console.log("Error detecting entropy strength with zxcvbn:");
+ console.log(e);
+ }
+ var entropyTypeStr = getEntropyTypeStr(entropy);
+ var wordCount = Math.floor(numberOfBits / 32) * 3;
+ var bitsPerEvent = entropy.bitsPerEvent.toFixed(2);
+ DOM.entropyFiltered.html(entropy.cleanHtml);
+ DOM.entropyType.text(entropyTypeStr);
+ DOM.entropyStrength.text(strength);
+ DOM.entropyEventCount.text(entropy.base.ints.length);
+ DOM.entropyBits.text(numberOfBits);
+ DOM.entropyWordCount.text(wordCount);
+ DOM.entropyBinary.text(entropy.binaryStr);
+ DOM.entropyBitsPerEvent.text(bitsPerEvent);
+ }
+
+ function getEntropyTypeStr(entropy) {
+ var typeStr = entropy.base.str;
+ // Add some detail if these are cards
+ if (entropy.base.asInt == 52) {
+ var cardDetail = []; // array of message strings
+ // Detect duplicates
+ var dupes = [];
+ var dupeTracker = {};
+ for (var i=0; i<entropy.base.parts.length; i++) {
+ var card = entropy.base.parts[i];
+ var cardUpper = card.toUpperCase();
+ if (cardUpper in dupeTracker) {
+ dupes.push(card);
+ }
+ dupeTracker[cardUpper] = true;
+ }
+ if (dupes.length > 0) {
+ var dupeWord = "duplicates";
+ if (dupes.length == 1) {
+ dupeWord = "duplicate";
+ }
+ var msg = dupes.length + " " + dupeWord + ": " + dupes.slice(0,3).join(" ");
+ if (dupes.length > 3) {
+ msg += "...";
+ }
+ cardDetail.push(msg);
+ }
+ // Detect full deck
+ var uniqueCards = [];
+ for (var uniqueCard in dupeTracker) {
+ uniqueCards.push(uniqueCard);
+ }
+ if (uniqueCards.length == 52) {
+ cardDetail.unshift("full deck");
+ }
+ // Detect missing cards
+ var values = "A23456789TJQK";
+ var suits = "CDHS";
+ var missingCards = [];
+ for (var i=0; i<suits.length; i++) {
+ for (var j=0; j<values.length; j++) {
+ var card = values[j] + suits[i];
+ if (!(card in dupeTracker)) {
+ missingCards.push(card);
+ }
+ }
+ }
+ // Display missing cards if six or less, ie clearly going for full deck
+ if (missingCards.length > 0 && missingCards.length <= 6) {
+ var msg = missingCards.length + " missing: " + missingCards.slice(0,3).join(" ");
+ if (missingCards.length > 3) {
+ msg += "...";
+ }
+ cardDetail.push(msg);
+ }
+ // Add card details to typeStr
+ if (cardDetail.length > 0) {
+ typeStr += " (" + cardDetail.join(", ") + ")";
+ }
+ }
+ return typeStr;
+ }
+
+ function setQrEvents(els) {
+ els.on("mouseenter", createQr);
+ els.on("mouseleave", destroyQr);
+ els.on("click", toggleQr);
+ }
+
+ function createQr(e) {
+ var content = e.target.textContent || e.target.value;
+ if (content) {
+ var size = 130;
+ DOM.qrImage.qrcode({width: size, height: size, text: content});
+ if (!showQr) {
+ DOM.qrHider.addClass("hidden");
+ }
+ else {
+ DOM.qrHider.removeClass("hidden");
+ }
+ DOM.qrContainer.removeClass("hidden");
+ }
+ }
+
+ function destroyQr() {
+ DOM.qrImage.text("");
+ DOM.qrContainer.addClass("hidden");
+ }
+
+ function toggleQr() {
+ showQr = !showQr;
+ DOM.qrHider.toggleClass("hidden");
+ DOM.qrHint.toggleClass("hidden");
+ }
+
+ function bip44TabSelected() {
+ return DOM.bip44tab.hasClass("active");
+ }
+
+ function bip32TabSelected() {
+ return DOM.bip32tab.hasClass("active");
+ }
+
+ var networks = [
+ {
+ name: "Bitcoin",
+ onSelect: function() {
+ network = bitcoin.networks.bitcoin;
+ DOM.bip44coin.val(0);
+ },
+ },
+ {
+ name: "Bitcoin Testnet",
+ onSelect: function() {
+ network = bitcoin.networks.testnet;
+ DOM.bip44coin.val(1);
+ },
+ },
+ {
+ name: "CLAM",
+ onSelect: function() {
+ network = bitcoin.networks.clam;
+ DOM.bip44coin.val(23);
+ },
+ },
+ {
+ name: "Dogecoin",
+ onSelect: function() {
+ network = bitcoin.networks.dogecoin;
+ DOM.bip44coin.val(3);
+ },
+ },
+ {
+ name: "DASH",
+ onSelect: function() {
+ network = bitcoin.networks.dash;
+ DOM.bip44coin.val(5);
+ },
+ },
+ {
+ name: "Ethereum",
+ onSelect: function() {
+ network = bitcoin.networks.bitcoin;
+ DOM.bip44coin.val(60);
+ },
+ },
+ {
+ name: "GAME",
+ onSelect: function() {
+ network = bitcoin.networks.game;
+ DOM.bip44coin.val(101);
+ },
+ },
+ {
+ name: "Jumbucks",
+ onSelect: function() {
+ network = bitcoin.networks.jumbucks;
+ DOM.bip44coin.val(26);
+ },
+ },
+ {
+ name: "Litecoin",
+ onSelect: function() {
+ network = bitcoin.networks.litecoin;
+ DOM.bip44coin.val(2);
+ },
+ },
+ {
+ name: "Namecoin",
+ onSelect: function() {
+ network = bitcoin.networks.namecoin;
+ DOM.bip44coin.val(7);
+ },
+ },
+ {
+ name: "Peercoin",
+ onSelect: function() {
+ network = bitcoin.networks.peercoin;
+ DOM.bip44coin.val(6);
+ },
+ },
+ {
+ name: "Ripple",
+ onSelect: function() {
+ network = bitcoin.networks.bitcoin;
+ DOM.bip44coin.val(144);
+ },
+ },
+ {
+ name: "ShadowCash",
+ onSelect: function() {
+ network = bitcoin.networks.shadow;
+ DOM.bip44coin.val(35);
+ },
+ },
+ {
+ name: "ShadowCash Testnet",
+ onSelect: function() {
+ network = bitcoin.networks.shadowtn;
+ DOM.bip44coin.val(1);
+ },
+ },
+ {
+ name: "Slimcoin",
+ onSelect: function() {
+ network = bitcoin.networks.slimcoin;
+ DOM.bip44coin.val(63);
+ },
+ },
+ {
+ name: "Slimcoin Testnet",
+ onSelect: function() {
+ network = bitcoin.networks.slimcointn;
+ DOM.bip44coin.val(111);
+ },
+ },
+ {
+ name: "Viacoin",
+ onSelect: function() {
+ network = bitcoin.networks.viacoin;
+ DOM.bip44coin.val(14);
+ },
+ },
+ {
+ name: "Viacoin Testnet",
+ onSelect: function() {
+ network = bitcoin.networks.viacointestnet;
+ DOM.bip44coin.val(1);
+ },
+ },
+ ]
+
+ var clients = [
+ {
+ name: "Bitcoin Core",
+ onSelect: function() {
+ DOM.bip32path.val("m/0'/0'");
+ DOM.hardenedAddresses.prop('checked', true);
+ },
+ },
+ {
+ name: "blockchain.info",
+ onSelect: function() {
+ DOM.bip32path.val("m/44'/0'/0'");
+ DOM.hardenedAddresses.prop('checked', false);
+ },
+ },
+ {
+ name: "MultiBit HD",
+ onSelect: function() {
+ DOM.bip32path.val("m/0'/0");
+ DOM.hardenedAddresses.prop('checked', false);
+ },
+ }
+ ]
+