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