+ function networkHasSegwit() {
+ return networks[DOM.network.val()].segwitAvailable;
+ }
+
+ function bip49TabSelected() {
+ return DOM.bip49tab.hasClass("active");
+ }
+
+ function bip84TabSelected() {
+ return DOM.bip84tab.hasClass("active");
+ }
+
+ function bip141TabSelected() {
+ return DOM.bip141tab.hasClass("active");
+ }
+
+ function setHdCoin(coinValue) {
+ DOM.bip44coin.val(coinValue);
+ DOM.bip49coin.val(coinValue);
+ DOM.bip84coin.val(coinValue);
+ }
+
+ function showSegwitAvailable() {
+ DOM.bip49unavailable.addClass("hidden");
+ DOM.bip49available.removeClass("hidden");
+ DOM.bip141unavailable.addClass("hidden");
+ DOM.bip141available.removeClass("hidden");
+ }
+
+ function showSegwitUnavailable() {
+ DOM.bip49available.addClass("hidden");
+ DOM.bip49unavailable.removeClass("hidden");
+ DOM.bip141available.addClass("hidden");
+ DOM.bip141unavailable.removeClass("hidden");
+ }
+
+ function useBitpayAddresses() {
+ return !(DOM.useBitpayAddresses.prop("checked"));
+ }
+
+ function setBitcoinCashNetworkValues() {
+ if (useBitpayAddresses()) {
+ network = bitcoinjs.bitcoin.networks.bitcoin;
+ }
+ else {
+ network = bitcoinjs.bitcoin.networks.bitcoinCashBitbpay;
+ }
+ }
+
+ function adjustNetworkForSegwit() {
+ // If segwit is selected the xpub/xprv prefixes need to be adjusted
+ // to avoid accidentally importing BIP49 xpub to BIP44 watch only
+ // wallet.
+ // See https://github.com/iancoleman/bip39/issues/125
+ var segwitNetworks = null;
+ // if a segwit network is alread selected, need to use base network to
+ // look up new parameters
+ if ("baseNetwork" in network) {
+ network = bitcoinjs.bitcoin.networks[network.baseNetwork];
+ }
+ // choose the right segwit params
+ if (p2wpkhSelected() && "p2wpkh" in network) {
+ network = network.p2wpkh;
+ }
+ else if (p2wpkhInP2shSelected() && "p2wpkhInP2sh" in network) {
+ network = network.p2wpkhInP2sh;
+ }
+ }
+
+ function lastIndexInTable() {
+ var pathText = DOM.addresses.find(".index").last().text();
+ var pathBits = pathText.split("/");
+ var lastBit = pathBits[pathBits.length-1];
+ var lastBitClean = lastBit.replace("'", "");
+ return parseInt(lastBitClean);
+ }
+
+ function uint8ArrayToHex(a) {
+ var s = ""
+ for (var i=0; i<a.length; i++) {
+ var h = a[i].toString(16);
+ while (h.length < 2) {
+ h = "0" + h;
+ }
+ s = s + h;
+ }
+ return s;
+ }
+
+ function showWordIndexes() {
+ var phrase = DOM.phrase.val();
+ var words = phraseToWordArray(phrase);
+ var wordIndexes = [];
+ var language = getLanguage();
+ for (var i=0; i<words.length; i++) {
+ var word = words[i];
+ var wordIndex = WORDLISTS[language].indexOf(word);
+ wordIndexes.push(wordIndex);
+ }
+ var wordIndexesStr = wordIndexes.join(", ");
+ DOM.entropyWordIndexes.text(wordIndexesStr);
+ }
+
+ function showChecksum() {
+ var phrase = DOM.phrase.val();
+ var words = phraseToWordArray(phrase);
+ var checksumBitlength = words.length / 3;
+ var checksum = "";
+ var binaryStr = "";
+ var language = getLanguage();
+ for (var i=words.length-1; i>=0; i--) {
+ var word = words[i];
+ var wordIndex = WORDLISTS[language].indexOf(word);
+ var wordBinary = wordIndex.toString(2);
+ while (wordBinary.length < 11) {
+ wordBinary = "0" + wordBinary;
+ }
+ var binaryStr = wordBinary + binaryStr;
+ if (binaryStr.length >= checksumBitlength) {
+ var start = binaryStr.length - checksumBitlength;
+ var end = binaryStr.length;
+ checksum = binaryStr.substring(start, end);
+ // add spaces so the last group is 11 bits, not the first
+ checksum = checksum.split("").reverse().join("")
+ checksum = addSpacesEveryElevenBits(checksum);
+ checksum = checksum.split("").reverse().join("")
+ break;
+ }
+ }
+ DOM.entropyChecksum.text(checksum);
+ }
+
+ function updateCsv() {
+ var tableCsv = "path,address,public key,private key\n";
+ var rows = DOM.addresses.find("tr");
+ for (var i=0; i<rows.length; i++) {
+ var row = $(rows[i]);
+ var cells = row.find("td");
+ for (var j=0; j<cells.length; j++) {
+ var cell = $(cells[j]);
+ if (!cell.children().hasClass("invisible")) {
+ tableCsv = tableCsv + cell.text();
+ }
+ if (j != cells.length - 1) {
+ tableCsv = tableCsv + ",";
+ }
+ }
+ tableCsv = tableCsv + "\n";
+ }
+ DOM.csv.val(tableCsv);
+ }
+
+ function addSpacesEveryElevenBits(binaryStr) {
+ return binaryStr.match(/.{1,11}/g).join(" ");
+ }
+