src/js/index.js

   1 (function() {
   2
   3     // mnemonics is populated as required by getLanguage
   4     var mnemonics = { "english": new Mnemonic("english") };
   5     var mnemonic = mnemonics["english"];
   6     var seed = null;
   7     var bip32RootKey = null;
   8     var bip32ExtendedKey = null;
   9     var network = bitcoinjs.bitcoin.networks.bitcoin;
  10     var addressRowTemplate = $("#address-row-template");
  11
  12     var showIndex = true;
  13     var showAddress = true;
  14     var showPubKey = true;
  15     var showPrivKey = true;
  16     var showQr = false;
  17     var litecoinUseLtub = true;
  18
  19     var entropyChangeTimeoutEvent = null;
  20     var phraseChangeTimeoutEvent = null;
  21     var rootKeyChangedTimeoutEvent = null;
  22
  23     var generationProcesses = [];
  24
  25     var DOM = {};
  26     DOM.network = $(".network");
  27     DOM.bip32Client = $("#bip32-client");
  28     DOM.phraseNetwork = $("#network-phrase");
  29     DOM.useEntropy = $(".use-entropy");
  30     DOM.entropyContainer = $(".entropy-container");
  31     DOM.entropy = $(".entropy");
  32     DOM.entropyFiltered = DOM.entropyContainer.find(".filtered");
  33     DOM.entropyType = DOM.entropyContainer.find(".type");
  34     DOM.entropyCrackTime = DOM.entropyContainer.find(".crack-time");
  35     DOM.entropyEventCount = DOM.entropyContainer.find(".event-count");
  36     DOM.entropyBits = DOM.entropyContainer.find(".bits");
  37     DOM.entropyBitsPerEvent = DOM.entropyContainer.find(".bits-per-event");
  38     DOM.entropyWordCount = DOM.entropyContainer.find(".word-count");
  39     DOM.entropyBinary = DOM.entropyContainer.find(".binary");
  40     DOM.entropyWordIndexes = DOM.entropyContainer.find(".word-indexes");
  41     DOM.entropyMnemonicLength = DOM.entropyContainer.find(".mnemonic-length");
  42     DOM.entropyFilterWarning = DOM.entropyContainer.find(".filter-warning");
  43     DOM.phrase = $(".phrase");
  44     DOM.passphrase = $(".passphrase");
  45     DOM.generateContainer = $(".generate-container");
  46     DOM.generate = $(".generate");
  47     DOM.seed = $(".seed");
  48     DOM.rootKey = $(".root-key");
  49     DOM.litecoinLtubContainer = $(".litecoin-ltub-container");
  50     DOM.litecoinUseLtub = $(".litecoin-use-ltub");
  51     DOM.extendedPrivKey = $(".extended-priv-key");
  52     DOM.extendedPubKey = $(".extended-pub-key");
  53     DOM.bip32tab = $("#bip32-tab");
  54     DOM.bip44tab = $("#bip44-tab");
  55     DOM.bip49tab = $("#bip49-tab");
  56     DOM.bip84tab = $("#bip84-tab");
  57     DOM.bip141tab = $("#bip141-tab");
  58     DOM.bip32panel = $("#bip32");
  59     DOM.bip44panel = $("#bip44");
  60     DOM.bip49panel = $("#bip49");
  61     DOM.bip32path = $("#bip32-path");
  62     DOM.bip44path = $("#bip44-path");
  63     DOM.bip44purpose = $("#bip44 .purpose");
  64     DOM.bip44coin = $("#bip44 .coin");
  65     DOM.bip44account = $("#bip44 .account");
  66     DOM.bip44accountXprv = $("#bip44 .account-xprv");
  67     DOM.bip44accountXpub = $("#bip44 .account-xpub");
  68     DOM.bip44change = $("#bip44 .change");
  69     DOM.bip49unavailable = $("#bip49 .unavailable");
  70     DOM.bip49available = $("#bip49 .available");
  71     DOM.bip49path = $("#bip49-path");
  72     DOM.bip49purpose = $("#bip49 .purpose");
  73     DOM.bip49coin = $("#bip49 .coin");
  74     DOM.bip49account = $("#bip49 .account");
  75     DOM.bip49accountXprv = $("#bip49 .account-xprv");
  76     DOM.bip49accountXpub = $("#bip49 .account-xpub");
  77     DOM.bip49change = $("#bip49 .change");
  78     DOM.bip84path = $("#bip84-path");
  79     DOM.bip84purpose = $("#bip84 .purpose");
  80     DOM.bip84coin = $("#bip84 .coin");
  81     DOM.bip84account = $("#bip84 .account");
  82     DOM.bip84accountXprv = $("#bip84 .account-xprv");
  83     DOM.bip84accountXpub = $("#bip84 .account-xpub");
  84     DOM.bip84change = $("#bip84 .change");
  85     DOM.bip141unavailable = $("#bip141 .unavailable");
  86     DOM.bip141available = $("#bip141 .available");
  87     DOM.bip141path = $("#bip141-path");
  88     DOM.bip141semantics = $(".bip141-semantics");
  89     DOM.generatedStrength = $(".generate-container .strength");
  90     DOM.hardenedAddresses = $(".hardened-addresses");
  91     DOM.useBitpayAddressesContainer = $(".use-bitpay-addresses-container");
  92     DOM.useBitpayAddresses = $(".use-bitpay-addresses");
  93     DOM.addresses = $(".addresses");
  94     DOM.csvTab = $("#csv-tab a");
  95     DOM.csv = $(".csv");
  96     DOM.rowsToAdd = $(".rows-to-add");
  97     DOM.more = $(".more");
  98     DOM.moreRowsStartIndex = $(".more-rows-start-index");
  99     DOM.feedback = $(".feedback");
 100     DOM.tab = $(".derivation-type a");
 101     DOM.indexToggle = $(".index-toggle");
 102     DOM.addressToggle = $(".address-toggle");
 103     DOM.publicKeyToggle = $(".public-key-toggle");
 104     DOM.privateKeyToggle = $(".private-key-toggle");
 105     DOM.languages = $(".languages a");
 106     DOM.qrContainer = $(".qr-container");
 107     DOM.qrHider = DOM.qrContainer.find(".qr-hider");
 108     DOM.qrImage = DOM.qrContainer.find(".qr-image");
 109     DOM.qrHint = DOM.qrContainer.find(".qr-hint");
 110     DOM.showQrEls = $("[data-show-qr]");
 111
 112     function init() {
 113         // Events
 114         DOM.network.on("change", networkChanged);
 115         DOM.bip32Client.on("change", bip32ClientChanged);
 116         DOM.useEntropy.on("change", setEntropyVisibility);
 117         DOM.entropy.on("input", delayedEntropyChanged);
 118         DOM.entropyMnemonicLength.on("change", entropyChanged);
 119         DOM.phrase.on("input", delayedPhraseChanged);
 120         DOM.passphrase.on("input", delayedPhraseChanged);
 121         DOM.generate.on("click", generateClicked);
 122         DOM.more.on("click", showMore);
 123         DOM.rootKey.on("input", delayedRootKeyChanged);
 124         DOM.litecoinUseLtub.on("change", litecoinUseLtubChanged);
 125         DOM.bip32path.on("input", calcForDerivationPath);
 126         DOM.bip44account.on("input", calcForDerivationPath);
 127         DOM.bip44change.on("input", calcForDerivationPath);
 128         DOM.bip49account.on("input", calcForDerivationPath);
 129         DOM.bip49change.on("input", calcForDerivationPath);
 130         DOM.bip84account.on("input", calcForDerivationPath);
 131         DOM.bip84change.on("input", calcForDerivationPath);
 132         DOM.bip141path.on("input", calcForDerivationPath);
 133         DOM.bip141semantics.on("change", tabChanged);
 134         DOM.tab.on("shown.bs.tab", tabChanged);
 135         DOM.hardenedAddresses.on("change", calcForDerivationPath);
 136         DOM.indexToggle.on("click", toggleIndexes);
 137         DOM.addressToggle.on("click", toggleAddresses);
 138         DOM.publicKeyToggle.on("click", togglePublicKeys);
 139         DOM.privateKeyToggle.on("click", togglePrivateKeys);
 140         DOM.csvTab.on("click", updateCsv);
 141         DOM.languages.on("click", languageChanged);
 142         DOM.useBitpayAddresses.on("change", useBitpayAddressesChange);
 143         setQrEvents(DOM.showQrEls);
 144         disableForms();
 145         hidePending();
 146         hideValidationError();
 147         populateNetworkSelect();
 148         populateClientSelect();
 149     }
 150
 151     // Event handlers
 152
 153     function networkChanged(e) {
 154         clearDerivedKeys();
 155         clearAddressesList();
 156         DOM.litecoinLtubContainer.addClass("hidden");
 157         DOM.useBitpayAddressesContainer.addClass("hidden");
 158         var networkIndex = e.target.value;
 159         var network = networks[networkIndex];
 160         network.onSelect();
 161         if (network.segwitAvailable) {
 162             adjustNetworkForSegwit();
 163             showSegwitAvailable();
 164         }
 165         else {
 166             showSegwitUnavailable();
 167         }
 168         if (seed != null) {
 169             phraseChanged();
 170         }
 171         else {
 172             rootKeyChanged();
 173         }
 174     }
 175
 176     function bip32ClientChanged(e) {
 177         var clientIndex = DOM.bip32Client.val();
 178         if (clientIndex == "custom") {
 179             DOM.bip32path.prop("readonly", false);
 180         }
 181         else {
 182             DOM.bip32path.prop("readonly", true);
 183             clients[clientIndex].onSelect();
 184             if (seed != null) {
 185                 phraseChanged();
 186             }
 187             else {
 188                 rootKeyChanged();
 189             }
 190         }
 191     }
 192
 193     function setEntropyVisibility() {
 194         if (isUsingOwnEntropy()) {
 195             DOM.entropyContainer.removeClass("hidden");
 196             DOM.generateContainer.addClass("hidden");
 197             DOM.phrase.prop("readonly", true);
 198             DOM.entropy.focus();
 199             entropyChanged();
 200         }
 201         else {
 202             DOM.entropyContainer.addClass("hidden");
 203             DOM.generateContainer.removeClass("hidden");
 204             DOM.phrase.prop("readonly", false);
 205             hidePending();
 206         }
 207     }
 208
 209     function delayedPhraseChanged() {
 210         hideValidationError();
 211         seed = null;
 212         bip32RootKey = null;
 213         bip32ExtendedKey = null;
 214         clearAddressesList();
 215         showPending();
 216         if (phraseChangeTimeoutEvent != null) {
 217             clearTimeout(phraseChangeTimeoutEvent);
 218         }
 219         phraseChangeTimeoutEvent = setTimeout(phraseChanged, 400);
 220     }
 221
 222     function phraseChanged() {
 223         showPending();
 224         setMnemonicLanguage();
 225         // Get the mnemonic phrase
 226         var phrase = DOM.phrase.val();
 227         var errorText = findPhraseErrors(phrase);
 228         if (errorText) {
 229             showValidationError(errorText);
 230             return;
 231         }
 232         // Calculate and display
 233         var passphrase = DOM.passphrase.val();
 234         calcBip32RootKeyFromSeed(phrase, passphrase);
 235         calcForDerivationPath();
 236         // Show the word indexes
 237         showWordIndexes();
 238     }
 239
 240     function tabChanged() {
 241         showPending();
 242         adjustNetworkForSegwit();
 243         var phrase = DOM.phrase.val();
 244         if (phrase != "") {
 245             // Calculate and display for mnemonic
 246             var errorText = findPhraseErrors(phrase);
 247             if (errorText) {
 248                 showValidationError(errorText);
 249                 return;
 250             }
 251             // Calculate and display
 252             var passphrase = DOM.passphrase.val();
 253             calcBip32RootKeyFromSeed(phrase, passphrase);
 254         }
 255         else {
 256             // Calculate and display for root key
 257             var rootKeyBase58 = DOM.rootKey.val();
 258             var errorText = validateRootKey(rootKeyBase58);
 259             if (errorText) {
 260                 showValidationError(errorText);
 261                 return;
 262             }
 263             // Calculate and display
 264             calcBip32RootKeyFromBase58(rootKeyBase58);
 265         }
 266         calcForDerivationPath();
 267     }
 268
 269     function delayedEntropyChanged() {
 270         hideValidationError();
 271         showPending();
 272         if (entropyChangeTimeoutEvent != null) {
 273             clearTimeout(entropyChangeTimeoutEvent);
 274         }
 275         entropyChangeTimeoutEvent = setTimeout(entropyChanged, 400);
 276     }
 277
 278     function entropyChanged() {
 279         // If blank entropy, clear mnemonic, addresses, errors
 280         if (DOM.entropy.val().trim().length == 0) {
 281             clearDisplay();
 282             clearEntropyFeedback();
 283             DOM.phrase.val("");
 284             showValidationError("Blank entropy");
 285             return;
 286         }
 287         // Get the current phrase to detect changes
 288         var phrase = DOM.phrase.val();
 289         // Set the phrase from the entropy
 290         setMnemonicFromEntropy();
 291         // Recalc addresses if the phrase has changed
 292         var newPhrase = DOM.phrase.val();
 293         if (newPhrase != phrase) {
 294             if (newPhrase.length == 0) {
 295                 clearDisplay();
 296             }
 297             else {
 298                 phraseChanged();
 299             }
 300         }
 301         else {
 302             hidePending();
 303         }
 304     }
 305
 306     function delayedRootKeyChanged() {
 307         // Warn if there is an existing mnemonic or passphrase.
 308         if (DOM.phrase.val().length > 0 || DOM.passphrase.val().length > 0) {
 309             if (!confirm("This will clear existing mnemonic and passphrase")) {
 310                 DOM.rootKey.val(bip32RootKey);
 311                 return
 312             }
 313         }
 314         hideValidationError();
 315         showPending();
 316         // Clear existing mnemonic and passphrase
 317         DOM.phrase.val("");
 318         DOM.passphrase.val("");
 319         seed = null;
 320         if (rootKeyChangedTimeoutEvent != null) {
 321             clearTimeout(rootKeyChangedTimeoutEvent);
 322         }
 323         rootKeyChangedTimeoutEvent = setTimeout(rootKeyChanged, 400);
 324     }
 325
 326     function rootKeyChanged() {
 327         showPending();
 328         hideValidationError();
 329         var rootKeyBase58 = DOM.rootKey.val();
 330         var errorText = validateRootKey(rootKeyBase58);
 331         if (errorText) {
 332             showValidationError(errorText);
 333             return;
 334         }
 335         // Calculate and display
 336         calcBip32RootKeyFromBase58(rootKeyBase58);
 337         calcForDerivationPath();
 338     }
 339
 340     function litecoinUseLtubChanged() {
 341         litecoinUseLtub = DOM.litecoinUseLtub.prop("checked");
 342         if (litecoinUseLtub) {
 343             network = bitcoinjs.bitcoin.networks.litecoin;
 344         }
 345         else {
 346             network = bitcoinjs.bitcoin.networks.litecoinXprv;
 347         }
 348         phraseChanged();
 349     }
 350
 351     function calcForDerivationPath() {
 352         clearDerivedKeys();
 353         clearAddressesList();
 354         showPending();
 355         // Don't show segwit if it's selected but network doesn't support it
 356         if (segwitSelected() && !networkHasSegwit()) {
 357             return;
 358         }
 359         // Get the derivation path
 360         var derivationPath = getDerivationPath();
 361         var errorText = findDerivationPathErrors(derivationPath);
 362         if (errorText) {
 363             showValidationError(errorText);
 364             return;
 365         }
 366         bip32ExtendedKey = calcBip32ExtendedKey(derivationPath);
 367         if (bip44TabSelected()) {
 368             displayBip44Info();
 369         }
 370         else if (bip49TabSelected()) {
 371             displayBip49Info();
 372         }
 373         else if (bip84TabSelected()) {
 374             displayBip84Info();
 375         }
 376         displayBip32Info();
 377     }
 378
 379     function generateClicked() {
 380         if (isUsingOwnEntropy()) {
 381             return;
 382         }
 383         clearDisplay();
 384         showPending();
 385         setTimeout(function() {
 386             setMnemonicLanguage();
 387             var phrase = generateRandomPhrase();
 388             if (!phrase) {
 389                 return;
 390             }
 391             phraseChanged();
 392         }, 50);
 393     }
 394
 395     function languageChanged() {
 396         setTimeout(function() {
 397             setMnemonicLanguage();
 398             if (DOM.phrase.val().length > 0) {
 399                 var newPhrase = convertPhraseToNewLanguage();
 400                 DOM.phrase.val(newPhrase);
 401                 phraseChanged();
 402             }
 403             else {
 404                 DOM.generate.trigger("click");
 405             }
 406         }, 50);
 407     }
 408
 409     function useBitpayAddressesChange() {
 410         setBitcoinCashNetworkValues();
 411         phraseChanged();
 412     }
 413
 414     function toggleIndexes() {
 415         showIndex = !showIndex;
 416         $("td.index span").toggleClass("invisible");
 417     }
 418
 419     function toggleAddresses() {
 420         showAddress = !showAddress;
 421         $("td.address span").toggleClass("invisible");
 422     }
 423
 424     function togglePublicKeys() {
 425         showPubKey = !showPubKey;
 426         $("td.pubkey span").toggleClass("invisible");
 427     }
 428
 429     function togglePrivateKeys() {
 430         showPrivKey = !showPrivKey;
 431         $("td.privkey span").toggleClass("invisible");
 432     }
 433
 434     // Private methods
 435
 436     function generateRandomPhrase() {
 437         if (!hasStrongRandom()) {
 438             var errorText = "This browser does not support strong randomness";
 439             showValidationError(errorText);
 440             return;
 441         }
 442         // get the amount of entropy to use
 443         var numWords = parseInt(DOM.generatedStrength.val());
 444         var strength = numWords / 3 * 32;
 445         var buffer = new Uint8Array(strength / 8);
 446         // create secure entropy
 447         var data = crypto.getRandomValues(buffer);
 448         // show the words
 449         var words = mnemonic.toMnemonic(data);
 450         DOM.phrase.val(words);
 451         // show the entropy
 452         var entropyHex = uint8ArrayToHex(data);
 453         DOM.entropy.val(entropyHex);
 454         // ensure entropy fields are consistent with what is being displayed
 455         DOM.entropyMnemonicLength.val("raw");
 456         return words;
 457     }
 458
 459     function calcBip32RootKeyFromSeed(phrase, passphrase) {
 460         seed = mnemonic.toSeed(phrase, passphrase);
 461         bip32RootKey = bitcoinjs.bitcoin.HDNode.fromSeedHex(seed, network);
 462     }
 463
 464     function calcBip32RootKeyFromBase58(rootKeyBase58) {
 465         bip32RootKey = bitcoinjs.bitcoin.HDNode.fromBase58(rootKeyBase58, network);
 466     }
 467
 468     function calcBip32ExtendedKey(path) {
 469         // Check there's a root key to derive from
 470         if (!bip32RootKey) {
 471             return bip32RootKey;
 472         }
 473         var extendedKey = bip32RootKey;
 474         // Derive the key from the path
 475         var pathBits = path.split("/");
 476         for (var i=0; i<pathBits.length; i++) {
 477             var bit = pathBits[i];
 478             var index = parseInt(bit);
 479             if (isNaN(index)) {
 480                 continue;
 481             }
 482             var hardened = bit[bit.length-1] == "'";
 483             var isPriv = !(extendedKey.isNeutered());
 484             var invalidDerivationPath = hardened && !isPriv;
 485             if (invalidDerivationPath) {
 486                 extendedKey = null;
 487             }
 488             else if (hardened) {
 489                 extendedKey = extendedKey.deriveHardened(index);
 490             }
 491             else {
 492                 extendedKey = extendedKey.derive(index);
 493             }
 494         }
 495         return extendedKey
 496     }
 497
 498     function showValidationError(errorText) {
 499         DOM.feedback
 500             .text(errorText)
 501             .show();
 502     }
 503
 504     function hideValidationError() {
 505         DOM.feedback
 506             .text("")
 507             .hide();
 508     }
 509
 510     function findPhraseErrors(phrase) {
 511         // Preprocess the words
 512         phrase = mnemonic.normalizeString(phrase);
 513         var words = phraseToWordArray(phrase);
 514         // Detect blank phrase
 515         if (words.length == 0) {
 516             return "Blank mnemonic";
 517         }
 518         // Check each word
 519         for (var i=0; i<words.length; i++) {
 520             var word = words[i];
 521             var language = getLanguage();
 522             if (WORDLISTS[language].indexOf(word) == -1) {
 523                 console.log("Finding closest match to " + word);
 524                 var nearestWord = findNearestWord(word);
 525                 return word + " not in wordlist, did you mean " + nearestWord + "?";
 526             }
 527         }
 528         // Check the words are valid
 529         var properPhrase = wordArrayToPhrase(words);
 530         var isValid = mnemonic.check(properPhrase);
 531         if (!isValid) {
 532             return "Invalid mnemonic";
 533         }
 534         return false;
 535     }
 536
 537     function validateRootKey(rootKeyBase58) {
 538         try {
 539             bitcoinjs.bitcoin.HDNode.fromBase58(rootKeyBase58, network);
 540         }
 541         catch (e) {
 542             return "Invalid root key";
 543         }
 544         return "";
 545     }
 546
 547     function getDerivationPath() {
 548         if (bip44TabSelected()) {
 549             var purpose = parseIntNoNaN(DOM.bip44purpose.val(), 44);
 550             var coin = parseIntNoNaN(DOM.bip44coin.val(), 0);
 551             var account = parseIntNoNaN(DOM.bip44account.val(), 0);
 552             var change = parseIntNoNaN(DOM.bip44change.val(), 0);
 553             var path = "m/";
 554             path += purpose + "'/";
 555             path += coin + "'/";
 556             path += account + "'/";
 557             path += change;
 558             DOM.bip44path.val(path);
 559             var derivationPath = DOM.bip44path.val();
 560             console.log("Using derivation path from BIP44 tab: " + derivationPath);
 561             return derivationPath;
 562         }
 563         else if (bip49TabSelected()) {
 564             var purpose = parseIntNoNaN(DOM.bip49purpose.val(), 49);
 565             var coin = parseIntNoNaN(DOM.bip49coin.val(), 0);
 566             var account = parseIntNoNaN(DOM.bip49account.val(), 0);
 567             var change = parseIntNoNaN(DOM.bip49change.val(), 0);
 568             var path = "m/";
 569             path += purpose + "'/";
 570             path += coin + "'/";
 571             path += account + "'/";
 572             path += change;
 573             DOM.bip49path.val(path);
 574             var derivationPath = DOM.bip49path.val();
 575             console.log("Using derivation path from BIP49 tab: " + derivationPath);
 576             return derivationPath;
 577         }
 578         else if (bip84TabSelected()) {
 579             var purpose = parseIntNoNaN(DOM.bip84purpose.val(), 84);
 580             var coin = parseIntNoNaN(DOM.bip84coin.val(), 0);
 581             var account = parseIntNoNaN(DOM.bip84account.val(), 0);
 582             var change = parseIntNoNaN(DOM.bip84change.val(), 0);
 583             var path = "m/";
 584             path += purpose + "'/";
 585             path += coin + "'/";
 586             path += account + "'/";
 587             path += change;
 588             DOM.bip84path.val(path);
 589             var derivationPath = DOM.bip84path.val();
 590             console.log("Using derivation path from BIP84 tab: " + derivationPath);
 591             return derivationPath;
 592         }
 593         else if (bip32TabSelected()) {
 594             var derivationPath = DOM.bip32path.val();
 595             console.log("Using derivation path from BIP32 tab: " + derivationPath);
 596             return derivationPath;
 597         }
 598         else if (bip141TabSelected()) {
 599             var derivationPath = DOM.bip141path.val();
 600             console.log("Using derivation path from BIP141 tab: " + derivationPath);
 601             return derivationPath;
 602         }
 603         else {
 604             console.log("Unknown derivation path");
 605         }
 606     }
 607
 608     function findDerivationPathErrors(path) {
 609         // TODO is not perfect but is better than nothing
 610         // Inspired by
 611         // https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki#test-vectors
 612         // and
 613         // https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki#extended-keys
 614         var maxDepth = 255; // TODO verify this!!
 615         var maxIndexValue = Math.pow(2, 31); // TODO verify this!!
 616         if (path[0] != "m") {
 617             return "First character must be 'm'";
 618         }
 619         if (path.length > 1) {
 620             if (path[1] != "/") {
 621                 return "Separator must be '/'";
 622             }
 623             var indexes = path.split("/");
 624             if (indexes.length > maxDepth) {
 625                 return "Derivation depth is " + indexes.length + ", must be less than " + maxDepth;
 626             }
 627             for (var depth = 1; depth<indexes.length; depth++) {
 628                 var index = indexes[depth];
 629                 var invalidChars = index.replace(/^[0-9]+'?$/g, "")
 630                 if (invalidChars.length > 0) {
 631                     return "Invalid characters " + invalidChars + " found at depth " + depth;
 632                 }
 633                 var indexValue = parseInt(index.replace("'", ""));
 634                 if (isNaN(depth)) {
 635                     return "Invalid number at depth " + depth;
 636                 }
 637                 if (indexValue > maxIndexValue) {
 638                     return "Value of " + indexValue + " at depth " + depth + " must be less than " + maxIndexValue;
 639                 }
 640             }
 641         }
 642         // Check root key exists or else derivation path is useless!
 643         if (!bip32RootKey) {
 644             return "No root key";
 645         }
 646         // Check no hardened derivation path when using xpub keys
 647         var hardenedPath = path.indexOf("'") > -1;
 648         var hardenedAddresses = bip32TabSelected() && DOM.hardenedAddresses.prop("checked");
 649         var hardened = hardenedPath || hardenedAddresses;
 650         var isXpubkey = bip32RootKey.isNeutered();
 651         if (hardened && isXpubkey) {
 652             return "Hardened derivation path is invalid with xpub key";
 653         }
 654         return false;
 655     }
 656
 657     function displayBip44Info() {
 658         // Get the derivation path for the account
 659         var purpose = parseIntNoNaN(DOM.bip44purpose.val(), 44);
 660         var coin = parseIntNoNaN(DOM.bip44coin.val(), 0);
 661         var account = parseIntNoNaN(DOM.bip44account.val(), 0);
 662         var path = "m/";
 663         path += purpose + "'/";
 664         path += coin + "'/";
 665         path += account + "'/";
 666         // Calculate the account extended keys
 667         var accountExtendedKey = calcBip32ExtendedKey(path);
 668         var accountXprv = accountExtendedKey.toBase58();
 669         var accountXpub = accountExtendedKey.neutered().toBase58();
 670         // Display the extended keys
 671         DOM.bip44accountXprv.val(accountXprv);
 672         DOM.bip44accountXpub.val(accountXpub);
 673     }
 674
 675     function displayBip49Info() {
 676         // Get the derivation path for the account
 677         var purpose = parseIntNoNaN(DOM.bip49purpose.val(), 49);
 678         var coin = parseIntNoNaN(DOM.bip49coin.val(), 0);
 679         var account = parseIntNoNaN(DOM.bip49account.val(), 0);
 680         var path = "m/";
 681         path += purpose + "'/";
 682         path += coin + "'/";
 683         path += account + "'/";
 684         // Calculate the account extended keys
 685         var accountExtendedKey = calcBip32ExtendedKey(path);
 686         var accountXprv = accountExtendedKey.toBase58();
 687         var accountXpub = accountExtendedKey.neutered().toBase58();
 688         // Display the extended keys
 689         DOM.bip49accountXprv.val(accountXprv);
 690         DOM.bip49accountXpub.val(accountXpub);
 691     }
 692
 693     function displayBip84Info() {
 694         // Get the derivation path for the account
 695         var purpose = parseIntNoNaN(DOM.bip84purpose.val(), 84);
 696         var coin = parseIntNoNaN(DOM.bip84coin.val(), 0);
 697         var account = parseIntNoNaN(DOM.bip84account.val(), 0);
 698         var path = "m/";
 699         path += purpose + "'/";
 700         path += coin + "'/";
 701         path += account + "'/";
 702         // Calculate the account extended keys
 703         var accountExtendedKey = calcBip32ExtendedKey(path);
 704         var accountXprv = accountExtendedKey.toBase58();
 705         var accountXpub = accountExtendedKey.neutered().toBase58();
 706         // Display the extended keys
 707         DOM.bip84accountXprv.val(accountXprv);
 708         DOM.bip84accountXpub.val(accountXpub);
 709     }
 710
 711     function displayBip32Info() {
 712         // Display the key
 713         DOM.seed.val(seed);
 714         var rootKey = bip32RootKey.toBase58();
 715         DOM.rootKey.val(rootKey);
 716         var xprvkeyB58 = "NA";
 717         if (!bip32ExtendedKey.isNeutered()) {
 718             xprvkeyB58 = bip32ExtendedKey.toBase58();
 719         }
 720         var extendedPrivKey = xprvkeyB58;
 721         DOM.extendedPrivKey.val(extendedPrivKey);
 722         var extendedPubKey = bip32ExtendedKey.neutered().toBase58();
 723         DOM.extendedPubKey.val(extendedPubKey);
 724         // Display the addresses and privkeys
 725         clearAddressesList();
 726         displayAddresses(0, 20);
 727     }
 728
 729     function displayAddresses(start, total) {
 730         generationProcesses.push(new (function() {
 731
 732             var rows = [];
 733
 734             this.stop = function() {
 735                 for (var i=0; i<rows.length; i++) {
 736                     rows[i].shouldGenerate = false;
 737                 }
 738                 hidePending();
 739             }
 740
 741             for (var i=0; i<total; i++) {
 742                 var index = i + start;
 743                 var isLast = i == total - 1;
 744                 rows.push(new TableRow(index, isLast));
 745             }
 746
 747         })());
 748     }
 749
 750     function segwitSelected() {
 751         return bip49TabSelected() || bip84TabSelected() || bip141TabSelected();
 752     }
 753
 754     function p2wpkhSelected() {
 755         return bip84TabSelected() ||
 756                 bip141TabSelected() && DOM.bip141semantics.val() == "p2wpkh";
 757     }
 758
 759     function p2wpkhInP2shSelected() {
 760         return bip49TabSelected() ||
 761             (bip141TabSelected() && DOM.bip141semantics.val() == "p2wpkh-p2sh");
 762     }
 763
 764     function TableRow(index, isLast) {
 765
 766         var self = this;
 767         this.shouldGenerate = true;
 768         var useHardenedAddresses = DOM.hardenedAddresses.prop("checked");
 769         var useBip38 = false; // TODO get from DOM
 770         var bip38password = "bip38password"; // TODO get from DOM
 771         var isSegwit = segwitSelected();
 772         var segwitAvailable = networkHasSegwit();
 773         var isP2wpkh = p2wpkhSelected();
 774         var isP2wpkhInP2sh = p2wpkhInP2shSelected();
 775
 776         function init() {
 777             calculateValues();
 778         }
 779
 780         function calculateValues() {
 781             setTimeout(function() {
 782                 if (!self.shouldGenerate) {
 783                     return;
 784                 }
 785                 // derive HDkey for this row of the table
 786                 var key = "NA";
 787                 if (useHardenedAddresses) {
 788                     key = bip32ExtendedKey.deriveHardened(index);
 789                 }
 790                 else {
 791                     key = bip32ExtendedKey.derive(index);
 792                 }
 793                 // bip38 requires uncompressed keys
 794                 // see https://github.com/iancoleman/bip39/issues/140#issuecomment-352164035
 795                 var keyPair = key.keyPair;
 796                 var useUncompressed = useBip38;
 797                 if (useUncompressed) {
 798                     keyPair = new bitcoinjs.bitcoin.ECPair(keyPair.d, null, { compressed: false });
 799                 }
 800                 // get address
 801                 var address = keyPair.getAddress().toString();
 802                 // get privkey
 803                 var hasPrivkey = !key.isNeutered();
 804                 var privkey = "NA";
 805                 if (hasPrivkey) {
 806                     privkey = keyPair.toWIF(network);
 807                     // BIP38 encode private key if required
 808                     if (useBip38) {
 809                         privkey = bitcoinjsBip38.encrypt(keyPair.d.toBuffer(), false, bip38password, function(p) {
 810                             console.log("Progressed " + p.percent.toFixed(1) + "% for index " + index);
 811                         });
 812                     }
 813                 }
 814                 // get pubkey
 815                 var pubkey = keyPair.getPublicKeyBuffer().toString('hex');
 816                 var indexText = getDerivationPath() + "/" + index;
 817                 if (useHardenedAddresses) {
 818                     indexText = indexText + "'";
 819                 }
 820                 // Ethereum values are different
 821                 if (networks[DOM.network.val()].name == "ETH - Ethereum") {
 822                     var privKeyBuffer = keyPair.d.toBuffer(32);
 823                     privkey = privKeyBuffer.toString('hex');
 824                     var addressBuffer = ethUtil.privateToAddress(privKeyBuffer);
 825                     var hexAddress = addressBuffer.toString('hex');
 826                     var checksumAddress = ethUtil.toChecksumAddress(hexAddress);
 827                     address = ethUtil.addHexPrefix(checksumAddress);
 828                     privkey = ethUtil.addHexPrefix(privkey);
 829                     pubkey = ethUtil.addHexPrefix(pubkey);
 830                 }
 831                 // Ripple values are different
 832                 if (networks[DOM.network.val()].name == "XRP - Ripple") {
 833                     privkey = convertRipplePriv(privkey);
 834                     address = convertRippleAdrr(address);
 835                 }
 836                 // Segwit addresses are different
 837                 if (isSegwit) {
 838                     if (!segwitAvailable) {
 839                         return;
 840                     }
 841                     if (isP2wpkh) {
 842                         var keyhash = bitcoinjs.bitcoin.crypto.hash160(key.getPublicKeyBuffer());
 843                         var scriptpubkey = bitcoinjs.bitcoin.script.witnessPubKeyHash.output.encode(keyhash);
 844                         address = bitcoinjs.bitcoin.address.fromOutputScript(scriptpubkey, network)
 845                     }
 846                     else if (isP2wpkhInP2sh) {
 847                         var keyhash = bitcoinjs.bitcoin.crypto.hash160(key.getPublicKeyBuffer());
 848                         var scriptsig = bitcoinjs.bitcoin.script.witnessPubKeyHash.output.encode(keyhash);
 849                         var addressbytes = bitcoinjs.bitcoin.crypto.hash160(scriptsig);
 850                         var scriptpubkey = bitcoinjs.bitcoin.script.scriptHash.output.encode(addressbytes);
 851                         address = bitcoinjs.bitcoin.address.fromOutputScript(scriptpubkey, network)
 852                     }
 853                 }
 854                 addAddressToList(indexText, address, pubkey, privkey);
 855                 if (isLast) {
 856                     hidePending();
 857                     updateCsv();
 858                 }
 859             }, 50)
 860         }
 861
 862         init();
 863
 864     }
 865
 866     function showMore() {
 867         var rowsToAdd = parseInt(DOM.rowsToAdd.val());
 868         if (isNaN(rowsToAdd)) {
 869             rowsToAdd = 20;
 870             DOM.rowsToAdd.val("20");
 871         }
 872         var start = parseInt(DOM.moreRowsStartIndex.val())
 873         if (isNaN(start)) {
 874             start = lastIndexInTable() + 1;
 875         }
 876         else {
 877             var newStart = start + rowsToAdd;
 878             DOM.moreRowsStartIndex.val(newStart);
 879         }
 880         if (rowsToAdd > 200) {
 881             var msg = "Generating " + rowsToAdd + " rows could take a while. ";
 882             msg += "Do you want to continue?";
 883             if (!confirm(msg)) {
 884                 return;
 885             }
 886         }
 887         displayAddresses(start, rowsToAdd);
 888     }
 889
 890     function clearDisplay() {
 891         clearAddressesList();
 892         clearKeys();
 893         hideValidationError();
 894     }
 895
 896     function clearAddressesList() {
 897         DOM.addresses.empty();
 898         DOM.csv.val("");
 899         stopGenerating();
 900     }
 901
 902     function stopGenerating() {
 903         while (generationProcesses.length > 0) {
 904             var generation = generationProcesses.shift();
 905             generation.stop();
 906         }
 907     }
 908
 909     function clearKeys() {
 910         clearRootKey();
 911         clearDerivedKeys();
 912     }
 913
 914     function clearRootKey() {
 915         DOM.rootKey.val("");
 916     }
 917
 918     function clearDerivedKeys() {
 919         DOM.extendedPrivKey.val("");
 920         DOM.extendedPubKey.val("");
 921         DOM.bip44accountXprv.val("");
 922         DOM.bip44accountXpub.val("");
 923     }
 924
 925     function addAddressToList(indexText, address, pubkey, privkey) {
 926         var row = $(addressRowTemplate.html());
 927         // Elements
 928         var indexCell = row.find(".index span");
 929         var addressCell = row.find(".address span");
 930         var pubkeyCell = row.find(".pubkey span");
 931         var privkeyCell = row.find(".privkey span");
 932         // Content
 933         indexCell.text(indexText);
 934         addressCell.text(address);
 935         pubkeyCell.text(pubkey);
 936         privkeyCell.text(privkey);
 937         // Visibility
 938         if (!showIndex) {
 939             indexCell.addClass("invisible");
 940         }
 941         if (!showAddress) {
 942             addressCell.addClass("invisible");
 943         }
 944         if (!showPubKey) {
 945             pubkeyCell.addClass("invisible");
 946         }
 947         if (!showPrivKey) {
 948             privkeyCell.addClass("invisible");
 949         }
 950         DOM.addresses.append(row);
 951         var rowShowQrEls = row.find("[data-show-qr]");
 952         setQrEvents(rowShowQrEls);
 953     }
 954
 955     function hasStrongRandom() {
 956         return 'crypto' in window && window['crypto'] !== null;
 957     }
 958
 959     function disableForms() {
 960         $("form").on("submit", function(e) {
 961             e.preventDefault();
 962         });
 963     }
 964
 965     function parseIntNoNaN(val, defaultVal) {
 966         var v = parseInt(val);
 967         if (isNaN(v)) {
 968             return defaultVal;
 969         }
 970         return v;
 971     }
 972
 973     function showPending() {
 974         DOM.feedback
 975             .text("Calculating...")
 976             .show();
 977     }
 978
 979     function findNearestWord(word) {
 980         var language = getLanguage();
 981         var words = WORDLISTS[language];
 982         var minDistance = 99;
 983         var closestWord = words[0];
 984         for (var i=0; i<words.length; i++) {
 985             var comparedTo = words[i];
 986             if (comparedTo.indexOf(word) == 0) {
 987                 return comparedTo;
 988             }
 989             var distance = Levenshtein.get(word, comparedTo);
 990             if (distance < minDistance) {
 991                 closestWord = comparedTo;
 992                 minDistance = distance;
 993             }
 994         }
 995         return closestWord;
 996     }
 997
 998     function hidePending() {
 999         DOM.feedback
1000             .text("")
1001             .hide();
1002     }
1003
1004     function populateNetworkSelect() {
1005         for (var i=0; i<networks.length; i++) {
1006             var network = networks[i];
1007             var option = $("<option>");
1008             option.attr("value", i);
1009             option.text(network.name);
1010             if (network.name == "BTC - Bitcoin") {
1011                 option.prop("selected", true);
1012             }
1013             DOM.phraseNetwork.append(option);
1014         }
1015     }
1016
1017     function populateClientSelect() {
1018         for (var i=0; i<clients.length; i++) {
1019             var client = clients[i];
1020             var option = $("<option>");
1021             option.attr("value", i);
1022             option.text(client.name);
1023             DOM.bip32Client.append(option);
1024         }
1025     }
1026
1027     function getLanguage() {
1028         var defaultLanguage = "english";
1029         // Try to get from existing phrase
1030         var language = getLanguageFromPhrase();
1031         // Try to get from url if not from phrase
1032         if (language.length == 0) {
1033             language = getLanguageFromUrl();
1034         }
1035         // Default to English if no other option
1036         if (language.length == 0) {
1037             language = defaultLanguage;
1038         }
1039         return language;
1040     }
1041
1042     function getLanguageFromPhrase(phrase) {
1043         // Check if how many words from existing phrase match a language.
1044         var language = "";
1045         if (!phrase) {
1046             phrase = DOM.phrase.val();
1047         }
1048         if (phrase.length > 0) {
1049             var words = phraseToWordArray(phrase);
1050             var languageMatches = {};
1051             for (l in WORDLISTS) {
1052                 // Track how many words match in this language
1053                 languageMatches[l] = 0;
1054                 for (var i=0; i<words.length; i++) {
1055                     var wordInLanguage = WORDLISTS[l].indexOf(words[i]) > -1;
1056                     if (wordInLanguage) {
1057                         languageMatches[l]++;
1058                     }
1059                 }
1060                 // Find languages with most word matches.
1061                 // This is made difficult due to commonalities between Chinese
1062                 // simplified vs traditional.
1063                 var mostMatches = 0;
1064                 var mostMatchedLanguages = [];
1065                 for (var l in languageMatches) {
1066                     var numMatches = languageMatches[l];
1067                     if (numMatches > mostMatches) {
1068                         mostMatches = numMatches;
1069                         mostMatchedLanguages = [l];
1070                     }
1071                     else if (numMatches == mostMatches) {
1072                         mostMatchedLanguages.push(l);
1073                     }
1074                 }
1075             }
1076             if (mostMatchedLanguages.length > 0) {
1077                 // Use first language and warn if multiple detected
1078                 language = mostMatchedLanguages[0];
1079                 if (mostMatchedLanguages.length > 1) {
1080                     console.warn("Multiple possible languages");
1081                     console.warn(mostMatchedLanguages);
1082                 }
1083             }
1084         }
1085         return language;
1086     }
1087
1088     function getLanguageFromUrl() {
1089         for (var language in WORDLISTS) {
1090             if (window.location.hash.indexOf(language) > -1) {
1091                 return language;
1092             }
1093         }
1094         return "";
1095     }
1096
1097     function setMnemonicLanguage() {
1098         var language = getLanguage();
1099         // Load the bip39 mnemonic generator for this language if required
1100         if (!(language in mnemonics)) {
1101             mnemonics[language] = new Mnemonic(language);
1102         }
1103         mnemonic = mnemonics[language];
1104     }
1105
1106     function convertPhraseToNewLanguage() {
1107         var oldLanguage = getLanguageFromPhrase();
1108         var newLanguage = getLanguageFromUrl();
1109         var oldPhrase = DOM.phrase.val();
1110         var oldWords = phraseToWordArray(oldPhrase);
1111         var newWords = [];
1112         for (var i=0; i<oldWords.length; i++) {
1113             var oldWord = oldWords[i];
1114             var index = WORDLISTS[oldLanguage].indexOf(oldWord);
1115             var newWord = WORDLISTS[newLanguage][index];
1116             newWords.push(newWord);
1117         }
1118         newPhrase = wordArrayToPhrase(newWords);
1119         return newPhrase;
1120     }
1121
1122     // TODO look at jsbip39 - mnemonic.splitWords
1123     function phraseToWordArray(phrase) {
1124         var words = phrase.split(/\s/g);
1125         var noBlanks = [];
1126         for (var i=0; i<words.length; i++) {
1127             var word = words[i];
1128             if (word.length > 0) {
1129                 noBlanks.push(word);
1130             }
1131         }
1132         return noBlanks;
1133     }
1134
1135     // TODO look at jsbip39 - mnemonic.joinWords
1136     function wordArrayToPhrase(words) {
1137         var phrase = words.join(" ");
1138         var language = getLanguageFromPhrase(phrase);
1139         if (language == "japanese") {
1140             phrase = words.join("\u3000");
1141         }
1142         return phrase;
1143     }
1144
1145     function isUsingOwnEntropy() {
1146         return DOM.useEntropy.prop("checked");
1147     }
1148
1149     function setMnemonicFromEntropy() {
1150         clearEntropyFeedback();
1151         // Get entropy value
1152         var entropyStr = DOM.entropy.val();
1153         // Work out minimum base for entropy
1154         var entropy = Entropy.fromString(entropyStr);
1155         if (entropy.binaryStr.length == 0) {
1156             return;
1157         }
1158         // Show entropy details
1159         showEntropyFeedback(entropy);
1160         // Use entropy hash if not using raw entropy
1161         var bits = entropy.binaryStr;
1162         var mnemonicLength = DOM.entropyMnemonicLength.val();
1163         if (mnemonicLength != "raw") {
1164             // Get bits by hashing entropy with SHA256
1165             var hash = sjcl.hash.sha256.hash(entropy.cleanStr);
1166             var hex = sjcl.codec.hex.fromBits(hash);
1167             bits = BigInteger.parse(hex, 16).toString(2);
1168             while (bits.length % 256 != 0) {
1169                 bits = "0" + bits;
1170             }
1171             // Truncate hash to suit number of words
1172             mnemonicLength = parseInt(mnemonicLength);
1173             var numberOfBits = 32 * mnemonicLength / 3;
1174             bits = bits.substring(0, numberOfBits);
1175         }
1176         // Discard trailing entropy
1177         var bitsToUse = Math.floor(bits.length / 32) * 32;
1178         var start = bits.length - bitsToUse;
1179         var binaryStr = bits.substring(start);
1180         // Convert entropy string to numeric array
1181         var entropyArr = [];
1182         for (var i=0; i<binaryStr.length / 8; i++) {
1183             var byteAsBits = binaryStr.substring(i*8, i*8+8);
1184             var entropyByte = parseInt(byteAsBits, 2);
1185             entropyArr.push(entropyByte)
1186         }
1187         // Convert entropy array to mnemonic
1188         var phrase = mnemonic.toMnemonic(entropyArr);
1189         // Set the mnemonic in the UI
1190         DOM.phrase.val(phrase);
1191         // Show the word indexes
1192         showWordIndexes();
1193     }
1194
1195     function clearEntropyFeedback() {
1196         DOM.entropyCrackTime.text("...");
1197         DOM.entropyType.text("");
1198         DOM.entropyWordCount.text("0");
1199         DOM.entropyEventCount.text("0");
1200         DOM.entropyBitsPerEvent.text("0");
1201         DOM.entropyBits.text("0");
1202         DOM.entropyFiltered.html("&nbsp;");
1203         DOM.entropyBinary.html("&nbsp;");
1204     }
1205
1206     function showEntropyFeedback(entropy) {
1207         var numberOfBits = entropy.binaryStr.length;
1208         var timeToCrack = "unknown";
1209         try {
1210             var z = zxcvbn(entropy.base.parts.join(""));
1211             timeToCrack = z.crack_times_display.offline_fast_hashing_1e10_per_second;
1212             if (z.feedback.warning != "") {
1213                 timeToCrack = timeToCrack + " - " + z.feedback.warning;
1214             };
1215         }
1216         catch (e) {
1217             console.log("Error detecting entropy strength with zxcvbn:");
1218             console.log(e);
1219         }
1220         var entropyTypeStr = getEntropyTypeStr(entropy);
1221         var wordCount = Math.floor(numberOfBits / 32) * 3;
1222         var bitsPerEvent = entropy.bitsPerEvent.toFixed(2);
1223         DOM.entropyFiltered.html(entropy.cleanHtml);
1224         DOM.entropyType.text(entropyTypeStr);
1225         DOM.entropyCrackTime.text(timeToCrack);
1226         DOM.entropyEventCount.text(entropy.base.ints.length);
1227         DOM.entropyBits.text(numberOfBits);
1228         DOM.entropyWordCount.text(wordCount);
1229         DOM.entropyBinary.text(entropy.binaryStr);
1230         DOM.entropyBitsPerEvent.text(bitsPerEvent);
1231         // detect and warn of filtering
1232         var rawNoSpaces = DOM.entropy.val().replace(/\s/g, "");
1233         var cleanNoSpaces = entropy.cleanStr.replace(/\s/g, "");
1234         var isFiltered = rawNoSpaces.length != cleanNoSpaces.length;
1235         if (isFiltered) {
1236             DOM.entropyFilterWarning.removeClass('hidden');
1237         }
1238         else {
1239             DOM.entropyFilterWarning.addClass('hidden');
1240         }
1241     }
1242
1243     function getEntropyTypeStr(entropy) {
1244         var typeStr = entropy.base.str;
1245         // Add some detail if these are cards
1246         if (entropy.base.asInt == 52) {
1247             var cardDetail = []; // array of message strings
1248             // Detect duplicates
1249             var dupes = [];
1250             var dupeTracker = {};
1251             for (var i=0; i<entropy.base.parts.length; i++) {
1252                 var card = entropy.base.parts[i];
1253                 var cardUpper = card.toUpperCase();
1254                 if (cardUpper in dupeTracker) {
1255                     dupes.push(card);
1256                 }
1257                 dupeTracker[cardUpper] = true;
1258             }
1259             if (dupes.length > 0) {
1260                 var dupeWord = "duplicates";
1261                 if (dupes.length == 1) {
1262                     dupeWord = "duplicate";
1263                 }
1264                 var msg = dupes.length + " " + dupeWord + ": " + dupes.slice(0,3).join(" ");
1265                 if (dupes.length > 3) {
1266                     msg += "...";
1267                 }
1268                 cardDetail.push(msg);
1269             }
1270             // Detect full deck
1271             var uniqueCards = [];
1272             for (var uniqueCard in dupeTracker) {
1273                 uniqueCards.push(uniqueCard);
1274             }
1275             if (uniqueCards.length == 52) {
1276                 cardDetail.unshift("full deck");
1277             }
1278             // Detect missing cards
1279             var values = "A23456789TJQK";
1280             var suits = "CDHS";
1281             var missingCards = [];
1282             for (var i=0; i<suits.length; i++) {
1283                 for (var j=0; j<values.length; j++) {
1284                     var card = values[j] + suits[i];
1285                     if (!(card in dupeTracker)) {
1286                         missingCards.push(card);
1287                     }
1288                 }
1289             }
1290             // Display missing cards if six or less, ie clearly going for full deck
1291             if (missingCards.length > 0 && missingCards.length <= 6) {
1292                 var msg = missingCards.length + " missing: " + missingCards.slice(0,3).join(" ");
1293                 if (missingCards.length > 3) {
1294                     msg += "...";
1295                 }
1296                 cardDetail.push(msg);
1297             }
1298             // Add card details to typeStr
1299             if (cardDetail.length > 0) {
1300                 typeStr += " (" + cardDetail.join(", ") + ")";
1301             }
1302         }
1303         return typeStr;
1304     }
1305
1306     function setQrEvents(els) {
1307         els.on("mouseenter", createQr);
1308         els.on("mouseleave", destroyQr);
1309         els.on("click", toggleQr);
1310     }
1311
1312     function createQr(e) {
1313         var content = e.target.textContent || e.target.value;
1314         if (content) {
1315             var qrEl = kjua({
1316                 text: content,
1317                 render: "canvas",
1318                 size: 310,
1319                 ecLevel: 'H',
1320             });
1321             DOM.qrImage.append(qrEl);
1322             if (!showQr) {
1323                 DOM.qrHider.addClass("hidden");
1324             }
1325             else {
1326                 DOM.qrHider.removeClass("hidden");
1327             }
1328             DOM.qrContainer.removeClass("hidden");
1329         }
1330     }
1331
1332     function destroyQr() {
1333         DOM.qrImage.text("");
1334         DOM.qrContainer.addClass("hidden");
1335     }
1336
1337     function toggleQr() {
1338         showQr = !showQr;
1339         DOM.qrHider.toggleClass("hidden");
1340         DOM.qrHint.toggleClass("hidden");
1341     }
1342
1343     function bip44TabSelected() {
1344         return DOM.bip44tab.hasClass("active");
1345     }
1346
1347     function bip32TabSelected() {
1348         return DOM.bip32tab.hasClass("active");
1349     }
1350
1351     function networkHasSegwit() {
1352         return networks[DOM.network.val()].segwitAvailable;
1353     }
1354
1355     function bip49TabSelected() {
1356         return DOM.bip49tab.hasClass("active");
1357     }
1358
1359     function bip84TabSelected() {
1360         return DOM.bip84tab.hasClass("active");
1361     }
1362
1363     function bip141TabSelected() {
1364         return DOM.bip141tab.hasClass("active");
1365     }
1366
1367     function setHdCoin(coinValue) {
1368         DOM.bip44coin.val(coinValue);
1369         DOM.bip49coin.val(coinValue);
1370         DOM.bip84coin.val(coinValue);
1371     }
1372
1373     function showSegwitAvailable() {
1374         DOM.bip49unavailable.addClass("hidden");
1375         DOM.bip49available.removeClass("hidden");
1376         DOM.bip141unavailable.addClass("hidden");
1377         DOM.bip141available.removeClass("hidden");
1378     }
1379
1380     function showSegwitUnavailable() {
1381         DOM.bip49available.addClass("hidden");
1382         DOM.bip49unavailable.removeClass("hidden");
1383         DOM.bip141available.addClass("hidden");
1384         DOM.bip141unavailable.removeClass("hidden");
1385     }
1386
1387     function useBitpayAddresses() {
1388         return !(DOM.useBitpayAddresses.prop("checked"));
1389     }
1390
1391     function setBitcoinCashNetworkValues() {
1392         if (useBitpayAddresses()) {
1393             network = bitcoinjs.bitcoin.networks.bitcoin;
1394         }
1395         else {
1396             network = bitcoinjs.bitcoin.networks.bitcoinCashBitbpay;
1397         }
1398     }
1399
1400     function adjustNetworkForSegwit() {
1401         // If segwit is selected the xpub/xprv prefixes need to be adjusted
1402         // to avoid accidentally importing BIP49 xpub to BIP44 watch only
1403         // wallet.
1404         // See https://github.com/iancoleman/bip39/issues/125
1405         var segwitNetworks = null;
1406         // if a segwit network is alread selected, need to use base network to
1407         // look up new parameters
1408         if ("baseNetwork" in network) {
1409             network = bitcoinjs.bitcoin.networks[network.baseNetwork];
1410         }
1411         // choose the right segwit params
1412         if (p2wpkhSelected() && "p2wpkh" in network) {
1413             network = network.p2wpkh;
1414         }
1415         else if (p2wpkhInP2shSelected() && "p2wpkhInP2sh" in network) {
1416             network = network.p2wpkhInP2sh;
1417         }
1418     }
1419
1420     function lastIndexInTable() {
1421         var pathText = DOM.addresses.find(".index").last().text();
1422         var pathBits = pathText.split("/");
1423         var lastBit = pathBits[pathBits.length-1];
1424         var lastBitClean = lastBit.replace("'", "");
1425         return parseInt(lastBitClean);
1426     }
1427
1428     function uint8ArrayToHex(a) {
1429         var s = ""
1430         for (var i=0; i<a.length; i++) {
1431             var h = a[i].toString(16);
1432             while (h.length < 2) {
1433                 h = "0" + h;
1434             }
1435             s = s + h;
1436         }
1437         return s;
1438     }
1439
1440     function showWordIndexes() {
1441         var phrase = DOM.phrase.val();
1442         var words = phraseToWordArray(phrase);
1443         var wordIndexes = [];
1444         var language = getLanguage();
1445         for (var i=0; i<words.length; i++) {
1446             var word = words[i];
1447             var wordIndex = WORDLISTS[language].indexOf(word);
1448             wordIndexes.push(wordIndex);
1449         }
1450         var wordIndexesStr = wordIndexes.join(", ");
1451         DOM.entropyWordIndexes.text(wordIndexesStr);
1452     }
1453
1454     function updateCsv() {
1455         var tableCsv = "path,address,public key,private key\n";
1456         var rows = DOM.addresses.find("tr");
1457         for (var i=0; i<rows.length; i++) {
1458             var row = $(rows[i]);
1459             var cells = row.find("td");
1460             for (var j=0; j<cells.length; j++) {
1461                 var cell = $(cells[j]);
1462                 if (!cell.children().hasClass("invisible")) {
1463                     tableCsv = tableCsv + cell.text();
1464                 }
1465                 if (j != cells.length - 1) {
1466                     tableCsv = tableCsv + ",";
1467                 }
1468             }
1469             tableCsv = tableCsv + "\n";
1470         }
1471         DOM.csv.val(tableCsv);
1472     }
1473
1474     var networks = [
1475         {
1476             name: "AXE - Axe",
1477             segwitAvailable: false,
1478             onSelect: function() {
1479                 network = bitcoinjs.bitcoin.networks.axe;
1480                 setHdCoin(0);
1481             },
1482         },
1483         {
1484             name: "BCH - Bitcoin Cash",
1485             segwitAvailable: false,
1486             onSelect: function() {
1487                 DOM.useBitpayAddressesContainer.removeClass("hidden");
1488                 setBitcoinCashNetworkValues();
1489                 setHdCoin(145);
1490             },
1491         },
1492         {
1493             name: "BTC - Bitcoin",
1494             segwitAvailable: true,
1495             onSelect: function() {
1496                 network = bitcoinjs.bitcoin.networks.bitcoin;
1497                 setHdCoin(0);
1498             },
1499         },
1500         {
1501             name: "BTC - Bitcoin Testnet",
1502             segwitAvailable: true,
1503             onSelect: function() {
1504                 network = bitcoinjs.bitcoin.networks.testnet;
1505                 setHdCoin(1);
1506             },
1507         },
1508         {
1509             name: "BTG - Bitcoin Gold",
1510             segwitAvailable: true,
1511             onSelect: function() {
1512                 network = bitcoinjs.bitcoin.networks.bgold;
1513                 setHdCoin(0);
1514             },
1515         },
1516         {
1517             name: "CLAM - Clams",
1518             segwitAvailable: false,
1519             onSelect: function() {
1520                 network = bitcoinjs.bitcoin.networks.clam;
1521                 setHdCoin(23);
1522             },
1523         },
1524         {
1525             name: "CRW - Crown",
1526             segwitAvailable: false,
1527             onSelect: function() {
1528                 network = bitcoinjs.bitcoin.networks.crown;
1529                 setHdCoin(72);
1530             },
1531         },
1532         {
1533             name: "DASH - Dash",
1534             segwitAvailable: false,
1535             onSelect: function() {
1536                 network = bitcoinjs.bitcoin.networks.dash;
1537                 setHdCoin(5);
1538             },
1539         },
1540         {
1541             name: "DASH - Dash Testnet",
1542             segwitAvailable: false,
1543             onSelect: function() {
1544                 network = bitcoinjs.bitcoin.networks.dashtn;
1545                 setHdCoin(1);
1546             },
1547         },
1548         {
1549             name: "DOGE - Dogecoin",
1550             segwitAvailable: false,
1551             onSelect: function() {
1552                 network = bitcoinjs.bitcoin.networks.dogecoin;
1553                 setHdCoin(3);
1554             },
1555         },
1556         {
1557             name: "ETH - Ethereum",
1558             segwitAvailable: false,
1559             onSelect: function() {
1560                 network = bitcoinjs.bitcoin.networks.bitcoin;
1561                 setHdCoin(60);
1562             },
1563         },
1564         {
1565             name: "FJC - Fujicoin",
1566             segwitAvailable: false,
1567             onSelect: function() {
1568                 network = bitcoinjs.bitcoin.networks.fujicoin;
1569                 setHdCoin(75);
1570             },
1571         },
1572         {
1573             name: "GAME - GameCredits",
1574             segwitAvailable: false,
1575             onSelect: function() {
1576                 network = bitcoinjs.bitcoin.networks.game;
1577                 setHdCoin(101);
1578             },
1579         },
1580         {
1581             name: "JBS - Jumbucks",
1582             segwitAvailable: false,
1583             onSelect: function() {
1584                 network = bitcoinjs.bitcoin.networks.jumbucks;
1585                 setHdCoin(26);
1586             },
1587         },
1588         {
1589             name: "KMD - Komodo",
1590             bip49available: false,
1591             onSelect: function() {
1592                 network = bitcoinjs.bitcoin.networks.komodo;
1593                 setHdCoin(141);
1594             },
1595         },
1596         {
1597             name: "LTC - Litecoin",
1598             segwitAvailable: true,
1599             onSelect: function() {
1600                 network = bitcoinjs.bitcoin.networks.litecoin;
1601                 setHdCoin(2);
1602                 DOM.litecoinLtubContainer.removeClass("hidden");
1603             },
1604         },
1605         {
1606             name: "MAZA - Maza",
1607             segwitAvailable: false,
1608             onSelect: function() {
1609                 network = bitcoinjs.bitcoin.networks.maza;
1610                 setHdCoin(13);
1611             },
1612         },
1613         {
1614             name: "MONA - Monacoin",
1615             segwitAvailable: true,
1616             onSelect: function() {
1617                 network = bitcoinjs.bitcoin.networks.monacoin,
1618                 setHdCoin(22);
1619             },
1620         },
1621         {
1622             name: "NMC - Namecoin",
1623             segwitAvailable: false,
1624             onSelect: function() {
1625                 network = bitcoinjs.bitcoin.networks.namecoin;
1626                 setHdCoin(7);
1627             },
1628         },
1629         {
1630             name: "ONX - Onixcoin",
1631             segwitAvailable: false,
1632             onSelect: function() {
1633                 network = bitcoinjs.bitcoin.networks.onixcoin;
1634                 setHdCoin(174);
1635             },
1636         },
1637         {
1638             name: "PIVX - PIVX",
1639             segwitAvailable: false,
1640             onSelect: function() {
1641                 network = bitcoinjs.bitcoin.networks.pivx;
1642                 setHdCoin(119);
1643             },
1644         },
1645         {
1646             name: "PIVX - PIVX Testnet",
1647             segwitAvailable: false,
1648             onSelect: function() {
1649                 network = bitcoinjs.bitcoin.networks.pivxtestnet;
1650                 setHdCoin(1);
1651             },
1652         },
1653         {
1654             name: "PPC - Peercoin",
1655             segwitAvailable: false,
1656             onSelect: function() {
1657                 network = bitcoinjs.bitcoin.networks.peercoin;
1658                 setHdCoin(6);
1659             },
1660         },
1661         {
1662             name: "SDC - ShadowCash",
1663             segwitAvailable: false,
1664             onSelect: function() {
1665                 network = bitcoinjs.bitcoin.networks.shadow;
1666                 setHdCoin(35);
1667             },
1668         },
1669         {
1670             name: "SDC - ShadowCash Testnet",
1671             segwitAvailable: false,
1672             onSelect: function() {
1673                 network = bitcoinjs.bitcoin.networks.shadowtn;
1674                 setHdCoin(1);
1675             },
1676         },
1677         {
1678             name: "SLM - Slimcoin",
1679             segwitAvailable: false,
1680             onSelect: function() {
1681                 network = bitcoinjs.bitcoin.networks.slimcoin;
1682                 setHdCoin(63);
1683             },
1684         },
1685         {
1686             name: "SLM - Slimcoin Testnet",
1687             segwitAvailable: false,
1688             onSelect: function() {
1689                 network = bitcoinjs.bitcoin.networks.slimcointn;
1690                 setHdCoin(111);
1691             },
1692         },
1693         {
1694             name: "USNBT - NuBits",
1695             segwitAvailable: false,
1696             onSelect: function() {
1697                 network = bitcoinjs.bitcoin.networks.nubits;
1698                 setHdCoin(12);
1699             },
1700         },
1701         {
1702             name: "VIA - Viacoin",
1703             segwitAvailable: false,
1704             onSelect: function() {
1705                 network = bitcoinjs.bitcoin.networks.viacoin;
1706                 setHdCoin(14);
1707             },
1708         },
1709         {
1710             name: "VIA - Viacoin Testnet",
1711             segwitAvailable: false,
1712             onSelect: function() {
1713                 network = bitcoinjs.bitcoin.networks.viacointestnet;
1714                 setHdCoin(1);
1715             },
1716         },
1717         {
1718             name: "XMY - Myriadcoin",
1719             segwitAvailable: false,
1720             onSelect: function() {
1721                 network = bitcoinjs.bitcoin.networks.myriadcoin;
1722                 setHdCoin(90);
1723             },
1724         },
1725         {
1726             name: "XRP - Ripple",
1727             segwitAvailable: false,
1728             onSelect: function() {
1729                 network = bitcoinjs.bitcoin.networks.bitcoin;
1730                 setHdCoin(144);
1731             },
1732         }
1733     ]
1734
1735     var clients = [
1736         {
1737             name: "Bitcoin Core",
1738             onSelect: function() {
1739                 DOM.bip32path.val("m/0'/0'");
1740                 DOM.hardenedAddresses.prop('checked', true);
1741             },
1742         },
1743         {
1744             name: "blockchain.info",
1745             onSelect: function() {
1746                 DOM.bip32path.val("m/44'/0'/0'");
1747                 DOM.hardenedAddresses.prop('checked', false);
1748             },
1749         },
1750         {
1751             name: "MultiBit HD",
1752             onSelect: function() {
1753                 DOM.bip32path.val("m/0'/0");
1754                 DOM.hardenedAddresses.prop('checked', false);
1755             },
1756         }
1757     ]
1758
1759     init();
1760
1761 })();