+ function networkHasSegwit() {
+ return networks[DOM.network.val()].segwitAvailable;
+ }
+
+ function bip49TabSelected() {
+ return DOM.bip49tab.hasClass("active");
+ }
+
+ function bip141TabSelected() {
+ return DOM.bip141tab.hasClass("active");
+ }
+
+ function setHdCoin(coinValue) {
+ DOM.bip44coin.val(coinValue);
+ DOM.bip49coin.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);
+ }
+