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xpub key can be used as bip32 root key

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This commit is contained in:
Ian Coleman
2016-12-19 13:54:51 +11:00
parent 52da415f03
commit ba3cb9ecae
3 changed files with 147 additions and 8 deletions
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src/js/index.js
+22 -4
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@@ -228,11 +228,11 @@
// Calculate and display
calcBip32RootKeyFromBase58(rootKeyBase58);
calcForDerivationPath();
hidePending();
}
function calcForDerivationPath() {
showPending();
clearAddressesList();
hideValidationError();
// Get the derivation path
var derivationPath = getDerivationPath();
@@ -334,7 +334,12 @@
continue;
}
var hardened = bit[bit.length-1] == "'";
if (hardened) {
var isPriv = "privKey" in extendedKey;
var invalidDerivationPath = hardened && !isPriv;
if (invalidDerivationPath) {
extendedKey = null;
}
else if (hardened) {
extendedKey = extendedKey.deriveHardened(index);
}
else {
@@ -453,6 +458,12 @@
}
}
}
// Check no hardened derivation path when using xpub keys
var hardened = path.indexOf("'") > -1;
var isXpubkey = !("privKey" in bip32RootKey);
if (hardened && isXpubkey) {
return "Hardened derivation path is invalid with xpub key";
}
return false;
}
@@ -479,7 +490,11 @@
DOM.seed.val(seed);
var rootKey = bip32RootKey.toBase58();
DOM.rootKey.val(rootKey);
var extendedPrivKey = bip32ExtendedKey.toBase58();
var xprvkeyB58 = "NA";
if (bip32ExtendedKey.privKey) {
xprvkeyB58 = bip32ExtendedKey.toBase58();
}
var extendedPrivKey = xprvkeyB58;
DOM.extendedPrivKey.val(extendedPrivKey);
var extendedPubKey = bip32ExtendedKey.toBase58(false);
DOM.extendedPubKey.val(extendedPubKey);
@@ -513,7 +528,10 @@
key = bip32ExtendedKey.derive(index);
}
var address = key.getAddress().toString();
var privkey = key.privKey.toWIF(network);
var privkey = "NA";
if (key.privKey) {
privkey = key.privKey.toWIF(network);
}
var pubkey = key.pubKey.toHex();
var indexText = getDerivationPath() + "/" + index;
if (useHardenedAddresses) {