X-Git-Url: https://git.immae.eu/?a=blobdiff_plain;f=src%2Fjs%2Findex.js;h=261a6d19c43005d77809bae797f7f1726fdbee0e;hb=c49e881294343b762109bb8104e7c1b45898c894;hp=af09606916b22b54d28829ca4dd68f1bfa42dd75;hpb=fef188cd1ed85b78e5f78d71e9c71f14e9e26448;p=perso%2FImmae%2FProjets%2FCryptomonnaies%2FBIP39.git

diff --git a/src/js/index.js b/src/js/index.js
index af09606..261a6d1 100644
--- a/src/js/index.js
+++ b/src/js/index.js
@@ -6,7 +6,7 @@
     var seed = null;
     var bip32RootKey = null;
     var bip32ExtendedKey = null;
-    var network = bitcoin.networks.bitcoin;
+    var network = bitcoinjs.bitcoin.networks.bitcoin;
     var addressRowTemplate = $("#address-row-template");
 
     var showIndex = true;
@@ -14,38 +14,48 @@
     var showPubKey = true;
     var showPrivKey = true;
     var showQr = false;
+    var litecoinUseLtub = true;
 
     var entropyChangeTimeoutEvent = null;
     var phraseChangeTimeoutEvent = null;
     var rootKeyChangedTimeoutEvent = null;
 
+    var generationProcesses = [];
+
     var DOM = {};
     DOM.network = $(".network");
+    DOM.bip32Client = $("#bip32-client");
     DOM.phraseNetwork = $("#network-phrase");
     DOM.useEntropy = $(".use-entropy");
     DOM.entropyContainer = $(".entropy-container");
     DOM.entropy = $(".entropy");
     DOM.entropyFiltered = DOM.entropyContainer.find(".filtered");
     DOM.entropyType = DOM.entropyContainer.find(".type");
-    DOM.entropyStrength = DOM.entropyContainer.find(".strength");
+    DOM.entropyCrackTime = DOM.entropyContainer.find(".crack-time");
     DOM.entropyEventCount = DOM.entropyContainer.find(".event-count");
     DOM.entropyBits = DOM.entropyContainer.find(".bits");
     DOM.entropyBitsPerEvent = DOM.entropyContainer.find(".bits-per-event");
     DOM.entropyWordCount = DOM.entropyContainer.find(".word-count");
     DOM.entropyBinary = DOM.entropyContainer.find(".binary");
     DOM.entropyMnemonicLength = DOM.entropyContainer.find(".mnemonic-length");
+    DOM.entropyFilterWarning = DOM.entropyContainer.find(".filter-warning");
     DOM.phrase = $(".phrase");
     DOM.passphrase = $(".passphrase");
     DOM.generateContainer = $(".generate-container");
     DOM.generate = $(".generate");
     DOM.seed = $(".seed");
     DOM.rootKey = $(".root-key");
+    DOM.litecoinLtubContainer = $(".litecoin-ltub-container");
+    DOM.litecoinUseLtub = $(".litecoin-use-ltub");
     DOM.extendedPrivKey = $(".extended-priv-key");
     DOM.extendedPubKey = $(".extended-pub-key");
     DOM.bip32tab = $("#bip32-tab");
     DOM.bip44tab = $("#bip44-tab");
+    DOM.bip49tab = $("#bip49-tab");
+    DOM.bip141tab = $("#bip141-tab");
     DOM.bip32panel = $("#bip32");
     DOM.bip44panel = $("#bip44");
+    DOM.bip49panel = $("#bip49");
     DOM.bip32path = $("#bip32-path");
     DOM.bip44path = $("#bip44-path");
     DOM.bip44purpose = $("#bip44 .purpose");
@@ -54,11 +64,27 @@
     DOM.bip44accountXprv = $("#bip44 .account-xprv");
     DOM.bip44accountXpub = $("#bip44 .account-xpub");
     DOM.bip44change = $("#bip44 .change");
+    DOM.bip49unavailable = $("#bip49 .unavailable");
+    DOM.bip49available = $("#bip49 .available");
+    DOM.bip49path = $("#bip49-path");
+    DOM.bip49purpose = $("#bip49 .purpose");
+    DOM.bip49coin = $("#bip49 .coin");
+    DOM.bip49account = $("#bip49 .account");
+    DOM.bip49accountXprv = $("#bip49 .account-xprv");
+    DOM.bip49accountXpub = $("#bip49 .account-xpub");
+    DOM.bip49change = $("#bip49 .change");
+    DOM.bip141unavailable = $("#bip141 .unavailable");
+    DOM.bip141available = $("#bip141 .available");
+    DOM.bip141path = $("#bip141-path");
+    DOM.bip141semantics = $(".bip141-semantics");
     DOM.generatedStrength = $(".generate-container .strength");
     DOM.hardenedAddresses = $(".hardened-addresses");
+    DOM.useBitpayAddressesContainer = $(".use-bitpay-addresses-container");
+    DOM.useBitpayAddresses = $(".use-bitpay-addresses");
     DOM.addresses = $(".addresses");
     DOM.rowsToAdd = $(".rows-to-add");
     DOM.more = $(".more");
+    DOM.moreRowsStartIndex = $(".more-rows-start-index");
     DOM.feedback = $(".feedback");
     DOM.tab = $(".derivation-type a");
     DOM.indexToggle = $(".index-toggle");
@@ -75,6 +101,7 @@
     function init() {
         // Events
         DOM.network.on("change", networkChanged);
+        DOM.bip32Client.on("change", bip32ClientChanged);
         DOM.useEntropy.on("change", setEntropyVisibility);
         DOM.entropy.on("input", delayedEntropyChanged);
         DOM.entropyMnemonicLength.on("change", entropyChanged);
@@ -83,30 +110,47 @@
         DOM.generate.on("click", generateClicked);
         DOM.more.on("click", showMore);
         DOM.rootKey.on("input", delayedRootKeyChanged);
+        DOM.litecoinUseLtub.on("change", litecoinUseLtubChanged);
         DOM.bip32path.on("input", calcForDerivationPath);
-        DOM.bip44purpose.on("input", calcForDerivationPath);
-        DOM.bip44coin.on("input", calcForDerivationPath);
         DOM.bip44account.on("input", calcForDerivationPath);
         DOM.bip44change.on("input", calcForDerivationPath);
-        DOM.tab.on("shown.bs.tab", calcForDerivationPath);
+        DOM.bip49account.on("input", calcForDerivationPath);
+        DOM.bip49change.on("input", calcForDerivationPath);
+        DOM.bip141path.on("input", calcForDerivationPath);
+        DOM.bip141semantics.on("change", tabChanged);
+        DOM.tab.on("shown.bs.tab", tabChanged);
         DOM.hardenedAddresses.on("change", calcForDerivationPath);
         DOM.indexToggle.on("click", toggleIndexes);
         DOM.addressToggle.on("click", toggleAddresses);
         DOM.publicKeyToggle.on("click", togglePublicKeys);
         DOM.privateKeyToggle.on("click", togglePrivateKeys);
         DOM.languages.on("click", languageChanged);
+        DOM.useBitpayAddresses.on("change", useBitpayAddressesChange);
         setQrEvents(DOM.showQrEls);
         disableForms();
         hidePending();
         hideValidationError();
         populateNetworkSelect();
+        populateClientSelect();
     }
 
     // Event handlers
 
     function networkChanged(e) {
+        clearDerivedKeys();
+        clearAddressesList();
+        DOM.litecoinLtubContainer.addClass("hidden");
+        DOM.useBitpayAddressesContainer.addClass("hidden");
         var networkIndex = e.target.value;
-        networks[networkIndex].onSelect();
+        var network = networks[networkIndex];
+        network.onSelect();
+        if (network.segwitAvailable) {
+            adjustNetworkForSegwit();
+            showSegwitAvailable();
+        }
+        else {
+            showSegwitUnavailable();
+        }
         if (seed != null) {
             phraseChanged();
         }
@@ -115,6 +159,23 @@
         }
     }
 
+    function bip32ClientChanged(e) {
+        var clientIndex = DOM.bip32Client.val();
+        if (clientIndex == "custom") {
+            DOM.bip32path.prop("readonly", false);
+        }
+        else {
+            DOM.bip32path.prop("readonly", true);
+            clients[clientIndex].onSelect();
+            if (seed != null) {
+                phraseChanged();
+            }
+            else {
+                rootKeyChanged();
+            }
+        }
+    }
+
     function setEntropyVisibility() {
         if (isUsingOwnEntropy()) {
             DOM.entropyContainer.removeClass("hidden");
@@ -133,6 +194,10 @@
 
     function delayedPhraseChanged() {
         hideValidationError();
+        seed = null;
+        bip32RootKey = null;
+        bip32ExtendedKey = null;
+        clearAddressesList();
         showPending();
         if (phraseChangeTimeoutEvent != null) {
             clearTimeout(phraseChangeTimeoutEvent);
@@ -142,7 +207,6 @@
 
     function phraseChanged() {
         showPending();
-        hideValidationError();
         setMnemonicLanguage();
         // Get the mnemonic phrase
         var phrase = DOM.phrase.val();
@@ -155,7 +219,35 @@
         var passphrase = DOM.passphrase.val();
         calcBip32RootKeyFromSeed(phrase, passphrase);
         calcForDerivationPath();
-        hidePending();
+    }
+
+    function tabChanged() {
+        showPending();
+        adjustNetworkForSegwit();
+        var phrase = DOM.phrase.val();
+        if (phrase != "") {
+            // Calculate and display for mnemonic
+            var errorText = findPhraseErrors(phrase);
+            if (errorText) {
+                showValidationError(errorText);
+                return;
+            }
+            // Calculate and display
+            var passphrase = DOM.passphrase.val();
+            calcBip32RootKeyFromSeed(phrase, passphrase);
+        }
+        else {
+            // Calculate and display for root key
+            var rootKeyBase58 = DOM.rootKey.val();
+            var errorText = validateRootKey(rootKeyBase58);
+            if (errorText) {
+                showValidationError(errorText);
+                return;
+            }
+            // Calculate and display
+            calcBip32RootKeyFromBase58(rootKeyBase58);
+        }
+        calcForDerivationPath();
     }
 
     function delayedEntropyChanged() {
@@ -218,7 +310,6 @@
     function rootKeyChanged() {
         showPending();
         hideValidationError();
-        // Validate the root key TODO
         var rootKeyBase58 = DOM.rootKey.val();
         var errorText = validateRootKey(rootKeyBase58);
         if (errorText) {
@@ -230,10 +321,25 @@
         calcForDerivationPath();
     }
 
+    function litecoinUseLtubChanged() {
+        litecoinUseLtub = DOM.litecoinUseLtub.prop("checked");
+        if (litecoinUseLtub) {
+            network = bitcoinjs.bitcoin.networks.litecoin;
+        }
+        else {
+            network = bitcoinjs.bitcoin.networks.litecoinXprv;
+        }
+        phraseChanged();
+    }
+
     function calcForDerivationPath() {
-        showPending();
+        clearDerivedKeys();
         clearAddressesList();
-        hideValidationError();
+        showPending();
+        // Don't show segwit if it's selected but network doesn't support it
+        if (segwitSelected() && !networkHasSegwit()) {
+            return;
+        }
         // Get the derivation path
         var derivationPath = getDerivationPath();
         var errorText = findDerivationPathErrors(derivationPath);
@@ -245,8 +351,10 @@
         if (bip44TabSelected()) {
             displayBip44Info();
         }
+        else if (bip49TabSelected()) {
+            displayBip49Info();
+        }
         displayBip32Info();
-        hidePending();
     }
 
     function generateClicked() {
@@ -279,6 +387,11 @@
         }, 50);
     }
 
+    function useBitpayAddressesChange() {
+        setBitcoinCashNetworkValues();
+        phraseChanged();
+    }
+
     function toggleIndexes() {
         showIndex = !showIndex;
         $("td.index span").toggleClass("invisible");
@@ -316,11 +429,11 @@
 
     function calcBip32RootKeyFromSeed(phrase, passphrase) {
         seed = mnemonic.toSeed(phrase, passphrase);
-        bip32RootKey = bitcoin.HDNode.fromSeedHex(seed, network);
+        bip32RootKey = bitcoinjs.bitcoin.HDNode.fromSeedHex(seed, network);
     }
 
     function calcBip32RootKeyFromBase58(rootKeyBase58) {
-        bip32RootKey = bitcoin.HDNode.fromBase58(rootKeyBase58, network);
+        bip32RootKey = bitcoinjs.bitcoin.HDNode.fromBase58(rootKeyBase58, network);
     }
 
     function calcBip32ExtendedKey(path) {
@@ -338,7 +451,7 @@
                 continue;
             }
             var hardened = bit[bit.length-1] == "'";
-            var isPriv = "privKey" in extendedKey;
+            var isPriv = !(extendedKey.isNeutered());
             var invalidDerivationPath = hardened && !isPriv;
             if (invalidDerivationPath) {
                 extendedKey = null;
@@ -394,7 +507,7 @@
 
     function validateRootKey(rootKeyBase58) {
         try {
-            bitcoin.HDNode.fromBase58(rootKeyBase58);
+            bitcoinjs.bitcoin.HDNode.fromBase58(rootKeyBase58, network);
         }
         catch (e) {
             return "Invalid root key";
@@ -418,11 +531,31 @@
             console.log("Using derivation path from BIP44 tab: " + derivationPath);
             return derivationPath;
         }
+        else if (bip49TabSelected()) {
+            var purpose = parseIntNoNaN(DOM.bip49purpose.val(), 49);
+            var coin = parseIntNoNaN(DOM.bip49coin.val(), 0);
+            var account = parseIntNoNaN(DOM.bip49account.val(), 0);
+            var change = parseIntNoNaN(DOM.bip49change.val(), 0);
+            var path = "m/";
+            path += purpose + "'/";
+            path += coin + "'/";
+            path += account + "'/";
+            path += change;
+            DOM.bip49path.val(path);
+            var derivationPath = DOM.bip49path.val();
+            console.log("Using derivation path from BIP49 tab: " + derivationPath);
+            return derivationPath;
+        }
         else if (bip32TabSelected()) {
             var derivationPath = DOM.bip32path.val();
             console.log("Using derivation path from BIP32 tab: " + derivationPath);
             return derivationPath;
         }
+        else if (bip141TabSelected()) {
+            var derivationPath = DOM.bip141path.val();
+            console.log("Using derivation path from BIP141 tab: " + derivationPath);
+            return derivationPath;
+        }
         else {
             console.log("Unknown derivation path");
         }
@@ -467,8 +600,10 @@
             return "No root key";
         }
         // Check no hardened derivation path when using xpub keys
-        var hardened = path.indexOf("'") > -1;
-        var isXpubkey = !("privKey" in bip32RootKey);
+        var hardenedPath = path.indexOf("'") > -1;
+        var hardenedAddresses = bip32TabSelected() && DOM.hardenedAddresses.prop("checked");
+        var hardened = hardenedPath || hardenedAddresses;
+        var isXpubkey = bip32RootKey.isNeutered();
         if (hardened && isXpubkey) {
             return "Hardened derivation path is invalid with xpub key";
         }
@@ -487,24 +622,42 @@
         // Calculate the account extended keys
         var accountExtendedKey = calcBip32ExtendedKey(path);
         var accountXprv = accountExtendedKey.toBase58();
-        var accountXpub = accountExtendedKey.toBase58(false);
+        var accountXpub = accountExtendedKey.neutered().toBase58();
         // Display the extended keys
         DOM.bip44accountXprv.val(accountXprv);
         DOM.bip44accountXpub.val(accountXpub);
     }
 
+    function displayBip49Info() {
+        // Get the derivation path for the account
+        var purpose = parseIntNoNaN(DOM.bip49purpose.val(), 49);
+        var coin = parseIntNoNaN(DOM.bip49coin.val(), 0);
+        var account = parseIntNoNaN(DOM.bip49account.val(), 0);
+        var path = "m/";
+        path += purpose + "'/";
+        path += coin + "'/";
+        path += account + "'/";
+        // Calculate the account extended keys
+        var accountExtendedKey = calcBip32ExtendedKey(path);
+        var accountXprv = accountExtendedKey.toBase58();
+        var accountXpub = accountExtendedKey.neutered().toBase58();
+        // Display the extended keys
+        DOM.bip49accountXprv.val(accountXprv);
+        DOM.bip49accountXpub.val(accountXpub);
+    }
+
     function displayBip32Info() {
         // Display the key
         DOM.seed.val(seed);
         var rootKey = bip32RootKey.toBase58();
         DOM.rootKey.val(rootKey);
         var xprvkeyB58 = "NA";
-        if (bip32ExtendedKey.privKey) {
+        if (!bip32ExtendedKey.isNeutered()) {
             xprvkeyB58 = bip32ExtendedKey.toBase58();
         }
         var extendedPrivKey = xprvkeyB58;
         DOM.extendedPrivKey.val(extendedPrivKey);
-        var extendedPubKey = bip32ExtendedKey.toBase58(false);
+        var extendedPubKey = bip32ExtendedKey.neutered().toBase58();
         DOM.extendedPubKey.val(extendedPubKey);
         // Display the addresses and privkeys
         clearAddressesList();
@@ -512,15 +665,48 @@
     }
 
     function displayAddresses(start, total) {
-        for (var i=0; i<total; i++) {
-            var index = i + start;
-            new TableRow(index);
-        }
+        generationProcesses.push(new (function() {
+
+            var rows = [];
+
+            this.stop = function() {
+                for (var i=0; i<rows.length; i++) {
+                    rows[i].shouldGenerate = false;
+                }
+                hidePending();
+            }
+
+            for (var i=0; i<total; i++) {
+                var index = i + start;
+                var isLast = i == total - 1;
+                rows.push(new TableRow(index, isLast));
+            }
+
+        })());
     }
 
-    function TableRow(index) {
+    function segwitSelected() {
+        return bip49TabSelected() || bip141TabSelected();
+    }
 
+    function p2wpkhSelected() {
+        return bip141TabSelected() && DOM.bip141semantics.val() == "p2wpkh";
+    }
+
+    function p2wpkhInP2shSelected() {
+        return bip49TabSelected() ||
+            (bip141TabSelected() && DOM.bip141semantics.val() == "p2wpkh-p2sh");
+    }
+
+    function TableRow(index, isLast) {
+
+        var self = this;
+        this.shouldGenerate = true;
         var useHardenedAddresses = DOM.hardenedAddresses.prop("checked");
+        var isSegwit = segwitSelected();
+        var segwitAvailable = networkHasSegwit();
+        var isP2wpkh = p2wpkhSelected();
+        var isP2wpkhInP2sh = p2wpkhInP2shSelected();
 
         function init() {
             calculateValues();
@@ -528,7 +714,10 @@
 
         function calculateValues() {
             setTimeout(function() {
-                var key = "";
+                if (!self.shouldGenerate) {
+                    return;
+                }
+                var key = "NA";
                 if (useHardenedAddresses) {
                     key = bip32ExtendedKey.deriveHardened(index);
                 }
@@ -537,15 +726,52 @@
                 }
                 var address = key.getAddress().toString();
                 var privkey = "NA";
-                if (key.privKey) {
-                    privkey = key.privKey.toWIF(network);
+                if (!key.isNeutered()) {
+                    privkey = key.keyPair.toWIF(network);
                 }
-                var pubkey = key.pubKey.toHex();
+                var pubkey = key.getPublicKeyBuffer().toString('hex');
                 var indexText = getDerivationPath() + "/" + index;
                 if (useHardenedAddresses) {
                     indexText = indexText + "'";
                 }
+                // Ethereum values are different
+                if (networks[DOM.network.val()].name == "ETH - Ethereum") {
+                    var privKeyBuffer = key.keyPair.d.toBuffer();
+                    privkey = privKeyBuffer.toString('hex');
+                    var addressBuffer = ethUtil.privateToAddress(privKeyBuffer);
+                    var hexAddress = addressBuffer.toString('hex');
+                    var checksumAddress = ethUtil.toChecksumAddress(hexAddress);
+                    address = ethUtil.addHexPrefix(checksumAddress);
+                    privkey = ethUtil.addHexPrefix(privkey);
+                    pubkey = ethUtil.addHexPrefix(pubkey);
+                }
+                // Ripple values are different
+                if (networks[DOM.network.val()].name == "XRP - Ripple") {
+                    privkey = convertRipplePriv(privkey);
+                    address = convertRippleAdrr(address);
+                }
+                // Segwit addresses are different
+                if (isSegwit) {
+                    if (!segwitAvailable) {
+                        return;
+                    }
+                    if (isP2wpkh) {
+                        var keyhash = bitcoinjs.bitcoin.crypto.hash160(key.getPublicKeyBuffer());
+                        var scriptpubkey = bitcoinjs.bitcoin.script.witnessPubKeyHash.output.encode(keyhash);
+                        address = bitcoinjs.bitcoin.address.fromOutputScript(scriptpubkey, network)
+                    }
+                    else if (isP2wpkhInP2sh) {
+                        var keyhash = bitcoinjs.bitcoin.crypto.hash160(key.getPublicKeyBuffer());
+                        var scriptsig = bitcoinjs.bitcoin.script.witnessPubKeyHash.output.encode(keyhash);
+                        var addressbytes = bitcoinjs.bitcoin.crypto.hash160(scriptsig);
+                        var scriptpubkey = bitcoinjs.bitcoin.script.scriptHash.output.encode(addressbytes);
+                        address = bitcoinjs.bitcoin.address.fromOutputScript(scriptpubkey, network)
+                    }
+                }
                 addAddressToList(indexText, address, pubkey, privkey);
+                if (isLast) {
+                    hidePending();
+                }
             }, 50)
         }
 
@@ -554,12 +780,19 @@
     }
 
     function showMore() {
-        var start = DOM.addresses.children().length;
         var rowsToAdd = parseInt(DOM.rowsToAdd.val());
         if (isNaN(rowsToAdd)) {
             rowsToAdd = 20;
             DOM.rowsToAdd.val("20");
         }
+        var start = parseInt(DOM.moreRowsStartIndex.val())
+        if (isNaN(start)) {
+            start = lastIndexInTable() + 1;
+        }
+        else {
+            var newStart = start + rowsToAdd;
+            DOM.moreRowsStartIndex.val(newStart);
+        }
         if (rowsToAdd > 200) {
             var msg = "Generating " + rowsToAdd + " rows could take a while. ";
             msg += "Do you want to continue?";
@@ -572,18 +805,36 @@
 
     function clearDisplay() {
         clearAddressesList();
-        clearKey();
+        clearKeys();
         hideValidationError();
     }
 
     function clearAddressesList() {
         DOM.addresses.empty();
+        stopGenerating();
     }
 
-    function clearKey() {
+    function stopGenerating() {
+        while (generationProcesses.length > 0) {
+            var generation = generationProcesses.shift();
+            generation.stop();
+        }
+    }
+
+    function clearKeys() {
+        clearRootKey();
+        clearDerivedKeys();
+    }
+
+    function clearRootKey() {
         DOM.rootKey.val("");
+    }
+
+    function clearDerivedKeys() {
         DOM.extendedPrivKey.val("");
         DOM.extendedPubKey.val("");
+        DOM.bip44accountXprv.val("");
+        DOM.bip44accountXpub.val("");
     }
 
     function addAddressToList(indexText, address, pubkey, privkey) {
@@ -647,8 +898,9 @@
         var closestWord = words[0];
         for (var i=0; i<words.length; i++) {
             var comparedTo = words[i];
-            if (comparedTo.indexOf(word) == 0) return comparedTo;
-
+            if (comparedTo.indexOf(word) == 0) {
+                return comparedTo;
+            }
             var distance = Levenshtein.get(word, comparedTo);
             if (distance < minDistance) {
                 closestWord = comparedTo;
@@ -670,10 +922,23 @@
             var option = $("<option>");
             option.attr("value", i);
             option.text(network.name);
+            if (network.name == "BTC - Bitcoin") {
+                option.prop("selected", true);
+            }
             DOM.phraseNetwork.append(option);
         }
     }
 
+    function populateClientSelect() {
+        for (var i=0; i<clients.length; i++) {
+            var client = clients[i];
+            var option = $("<option>");
+            option.attr("value", i);
+            option.text(client.name);
+            DOM.bip32Client.append(option);
+        }
+    }
+
     function getLanguage() {
         var defaultLanguage = "english";
         // Try to get from existing phrase
@@ -815,7 +1080,7 @@
             var hash = sjcl.hash.sha256.hash(entropy.cleanStr);
             var hex = sjcl.codec.hex.fromBits(hash);
             bits = BigInteger.parse(hex, 16).toString(2);
-            for (var i=0; i<256-bits.length; i++) {
+            while (bits.length % 256 != 0) {
                 bits = "0" + bits;
             }
             // Truncate hash to suit number of words
@@ -841,7 +1106,7 @@
     }
 
     function clearEntropyFeedback() {
-        DOM.entropyStrength.text("...");
+        DOM.entropyCrackTime.text("...");
         DOM.entropyType.text("");
         DOM.entropyWordCount.text("0");
         DOM.entropyEventCount.text("0");
@@ -853,37 +1118,15 @@
 
     function showEntropyFeedback(entropy) {
         var numberOfBits = entropy.binaryStr.length;
-        var strength = "extremely weak";
-        if (numberOfBits >= 64) {
-            strength = "very weak";
-        }
-        if (numberOfBits >= 96) {
-            strength = "weak";
-        }
-        if (numberOfBits >= 128) {
-            strength = "strong";
-        }
-        if (numberOfBits >= 160) {
-            strength = "very strong";
-        }
-        if (numberOfBits >= 192) {
-            strength = "extremely strong";
-        }
-        // If time to crack is less than one day, and password is considered
-        // strong or better based on the number of bits, rename strength to
-        // 'easily cracked'.
+        var timeToCrack = "unknown";
         try {
             var z = zxcvbn(entropy.base.parts.join(""));
-            var timeToCrack = z.crack_times_seconds.offline_fast_hashing_1e10_per_second;
-            if (timeToCrack < 86400 && entropy.binaryStr.length >= 128) {
-                strength = "easily cracked";
-                if (z.feedback.warning != "") {
-                    strength = strength + " - " + z.feedback.warning;
-                };
-            }
+            timeToCrack = z.crack_times_display.offline_fast_hashing_1e10_per_second;
+            if (z.feedback.warning != "") {
+                timeToCrack = timeToCrack + " - " + z.feedback.warning;
+            };
         }
         catch (e) {
-            strength = "unknown";
             console.log("Error detecting entropy strength with zxcvbn:");
             console.log(e);
         }
@@ -892,12 +1135,22 @@
         var bitsPerEvent = entropy.bitsPerEvent.toFixed(2);
         DOM.entropyFiltered.html(entropy.cleanHtml);
         DOM.entropyType.text(entropyTypeStr);
-        DOM.entropyStrength.text(strength);
+        DOM.entropyCrackTime.text(timeToCrack);
         DOM.entropyEventCount.text(entropy.base.ints.length);
         DOM.entropyBits.text(numberOfBits);
         DOM.entropyWordCount.text(wordCount);
         DOM.entropyBinary.text(entropy.binaryStr);
         DOM.entropyBitsPerEvent.text(bitsPerEvent);
+        // detect and warn of filtering
+        var rawNoSpaces = DOM.entropy.val().replace(/\s/g, "");
+        var cleanNoSpaces = entropy.cleanStr.replace(/\s/g, "");
+        var isFiltered = rawNoSpaces.length != cleanNoSpaces.length;
+        if (isFiltered) {
+            DOM.entropyFilterWarning.removeClass('hidden');
+        }
+        else {
+            DOM.entropyFilterWarning.addClass('hidden');
+        }
     }
 
     function getEntropyTypeStr(entropy) {
@@ -1003,98 +1256,337 @@
         return DOM.bip32tab.hasClass("active");
     }
 
+    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);
+    }
+
     var networks = [
         {
-            name: "Bitcoin",
+            name: "BCH - Bitcoin Cash",
+            segwitAvailable: false,
+            onSelect: function() {
+                DOM.useBitpayAddressesContainer.removeClass("hidden");
+                setBitcoinCashNetworkValues();
+                setHdCoin(145);
+            },
+        },
+        {
+            name: "BTC - Bitcoin",
+            segwitAvailable: true,
+            onSelect: function() {
+                network = bitcoinjs.bitcoin.networks.bitcoin;
+                setHdCoin(0);
+            },
+        },
+        {
+            name: "BTC - Bitcoin Testnet",
+            segwitAvailable: true,
+            onSelect: function() {
+                network = bitcoinjs.bitcoin.networks.testnet;
+                setHdCoin(1);
+            },
+        },
+        {
+            name: "BTG - Bitcoin Gold",
+            segwitAvailable: true,
+            onSelect: function() {
+                network = bitcoinjs.bitcoin.networks.bgold;
+                setHdCoin(0);
+            },
+        },
+        {
+            name: "CLAM - Clams",
+            segwitAvailable: false,
+            onSelect: function() {
+                network = bitcoinjs.bitcoin.networks.clam;
+                setHdCoin(23);
+            },
+        },
+        {
+            name: "CRW - Crown",
+            segwitAvailable: false,
+            onSelect: function() {
+                network = bitcoinjs.bitcoin.networks.crown;
+                setHdCoin(72);
+            },
+        },
+        {
+            name: "DASH - Dash",
+            segwitAvailable: false,
             onSelect: function() {
-                network = bitcoin.networks.bitcoin;
-                DOM.bip44coin.val(0);
+                network = bitcoinjs.bitcoin.networks.dash;
+                setHdCoin(5);
             },
         },
         {
-            name: "Bitcoin Testnet",
+            name: "DASH - Dash Testnet",
+            segwitAvailable: false,
             onSelect: function() {
-                network = bitcoin.networks.testnet;
-                DOM.bip44coin.val(1);
+                network = bitcoinjs.bitcoin.networks.dashtn;
+                setHdCoin(1);
             },
         },
         {
-            name: "Litecoin",
+            name: "DOGE - Dogecoin",
+            segwitAvailable: false,
             onSelect: function() {
-                network = bitcoin.networks.litecoin;
-                DOM.bip44coin.val(2);
+                network = bitcoinjs.bitcoin.networks.dogecoin;
+                setHdCoin(3);
             },
         },
         {
-            name: "Dogecoin",
+            name: "ETH - Ethereum",
+            segwitAvailable: false,
             onSelect: function() {
-                network = bitcoin.networks.dogecoin;
-                DOM.bip44coin.val(3);
+                network = bitcoinjs.bitcoin.networks.bitcoin;
+                setHdCoin(60);
             },
         },
         {
-            name: "ShadowCash",
+            name: "FJC - Fujicoin",
+            segwitAvailable: false,
             onSelect: function() {
-                network = bitcoin.networks.shadow;
-                DOM.bip44coin.val(35);
+                network = bitcoinjs.bitcoin.networks.fujicoin;
+                setHdCoin(75);
             },
         },
         {
-            name: "ShadowCash Testnet",
+            name: "GAME - GameCredits",
+            segwitAvailable: false,
             onSelect: function() {
-                network = bitcoin.networks.shadowtn;
-                DOM.bip44coin.val(1);
+                network = bitcoinjs.bitcoin.networks.game;
+                setHdCoin(101);
             },
         },
         {
-            name: "Viacoin",
+            name: "JBS - Jumbucks",
+            segwitAvailable: false,
             onSelect: function() {
-                network = bitcoin.networks.viacoin;
-                DOM.bip44coin.val(14);
+                network = bitcoinjs.bitcoin.networks.jumbucks;
+                setHdCoin(26);
             },
         },
         {
-            name: "Viacoin Testnet",
+            name: "LTC - Litecoin",
+            segwitAvailable: true,
             onSelect: function() {
-                network = bitcoin.networks.viacointestnet;
-                DOM.bip44coin.val(1);
+                network = bitcoinjs.bitcoin.networks.litecoin;
+                setHdCoin(2);
+                DOM.litecoinLtubContainer.removeClass("hidden");
             },
         },
         {
-            name: "Jumbucks",
+            name: "MAZA - Maza",
+            segwitAvailable: false,
             onSelect: function() {
-                network = bitcoin.networks.jumbucks;
-                DOM.bip44coin.val(26);
+                network = bitcoinjs.bitcoin.networks.maza;
+                setHdCoin(13);
             },
         },
         {
-            name: "CLAM",
+            name: "MONA - Monacoin",
+            segwitAvailable: true,
             onSelect: function() {
-                network = bitcoin.networks.clam;
-                DOM.bip44coin.val(23);
+                network = bitcoinjs.bitcoin.networks.monacoin,
+                setHdCoin(22);
             },
         },
         {
-            name: "DASH",
+            name: "NMC - Namecoin",
+            segwitAvailable: false,
             onSelect: function() {
-                network = bitcoin.networks.dash;
-                DOM.bip44coin.val(5);
+                network = bitcoinjs.bitcoin.networks.namecoin;
+                setHdCoin(7);
             },
         },
         {
-            name: "Namecoin",
+            name: "PIVX - PIVX",
+            segwitAvailable: false,
             onSelect: function() {
-                network = bitcoin.networks.namecoin;
-                DOM.bip44coin.val(7);
+                network = bitcoinjs.bitcoin.networks.pivx;
+                setHdCoin(119);
             },
         },
         {
-            name: "Peercoin",
+            name: "PIVX - PIVX Testnet",
+            segwitAvailable: false,
             onSelect: function() {
-                network = bitcoin.networks.peercoin;
-                DOM.bip44coin.val(6);
+                network = bitcoinjs.bitcoin.networks.pivxtestnet;
+                setHdCoin(1);
             },
         },
+        {
+            name: "PPC - Peercoin",
+            segwitAvailable: false,
+            onSelect: function() {
+                network = bitcoinjs.bitcoin.networks.peercoin;
+                setHdCoin(6);
+            },
+        },
+        {
+            name: "SDC - ShadowCash",
+            segwitAvailable: false,
+            onSelect: function() {
+                network = bitcoinjs.bitcoin.networks.shadow;
+                setHdCoin(35);
+            },
+        },
+        {
+            name: "SDC - ShadowCash Testnet",
+            segwitAvailable: false,
+            onSelect: function() {
+                network = bitcoinjs.bitcoin.networks.shadowtn;
+                setHdCoin(1);
+            },
+        },
+        {
+            name: "SLM - Slimcoin",
+            segwitAvailable: false,
+            onSelect: function() {
+                network = bitcoinjs.bitcoin.networks.slimcoin;
+                setHdCoin(63);
+            },
+        },
+        {
+            name: "SLM - Slimcoin Testnet",
+            segwitAvailable: false,
+            onSelect: function() {
+                network = bitcoinjs.bitcoin.networks.slimcointn;
+                setHdCoin(111);
+            },
+        },
+        {
+            name: "USNBT - NuBits",
+            segwitAvailable: false,
+            onSelect: function() {
+                network = bitcoinjs.bitcoin.networks.nubits;
+                setHdCoin(12);
+            },
+        },
+        {
+            name: "VIA - Viacoin",
+            segwitAvailable: false,
+            onSelect: function() {
+                network = bitcoinjs.bitcoin.networks.viacoin;
+                setHdCoin(14);
+            },
+        },
+        {
+            name: "VIA - Viacoin Testnet",
+            segwitAvailable: false,
+            onSelect: function() {
+                network = bitcoinjs.bitcoin.networks.viacointestnet;
+                setHdCoin(1);
+            },
+        },
+        {
+            name: "XMY - Myriadcoin",
+            segwitAvailable: false,
+            onSelect: function() {
+                network = bitcoinjs.bitcoin.networks.myriadcoin;
+                setHdCoin(90);
+            },
+        },
+        {
+            name: "XRP - Ripple",
+            segwitAvailable: false,
+            onSelect: function() {
+                network = bitcoinjs.bitcoin.networks.bitcoin;
+                setHdCoin(144);
+            },
+        }
+    ]
+
+    var clients = [
+        {
+            name: "Bitcoin Core",
+            onSelect: function() {
+                DOM.bip32path.val("m/0'/0'");
+                DOM.hardenedAddresses.prop('checked', true);
+            },
+        },
+        {
+            name: "blockchain.info",
+            onSelect: function() {
+                DOM.bip32path.val("m/44'/0'/0'");
+                DOM.hardenedAddresses.prop('checked', false);
+            },
+        },
+        {
+            name: "MultiBit HD",
+            onSelect: function() {
+                DOM.bip32path.val("m/0'/0");
+                DOM.hardenedAddresses.prop('checked', false);
+            },
+        }
     ]
 
     init();