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312 lines
9.7 KiB
312 lines
9.7 KiB
// Copyright (c) 2014-2018, MyMonero.com
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other
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// materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its contributors may be
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// used to endorse or promote products derived from this software without specific
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// prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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"use strict";
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//
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const mnemonic = require("../cryptonote_utils/mnemonic");
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const monero_utils = require("./monero_cryptonote_utils_instance");
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const monero_config = require("./monero_config");
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//
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//
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////////////////////////////////////////////////////////////////////////////////
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// Mnemonic wordset utilities - Exposing available names
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//
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const wordsetNamesByWordsetName = {};
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const allWordsetNames = Object.keys(mnemonic.mn_words);
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for (let wordsetName of allWordsetNames) {
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wordsetNamesByWordsetName[wordsetName] = wordsetName;
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}
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exports.WordsetNamesByWordsetName = wordsetNamesByWordsetName;
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exports.AllWordsetNames = allWordsetNames;
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//
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//
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// Mnemonic wordset utilities - Comparison
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// TODO: perhaps move this to mnemonic.js
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function AreEqualMnemonics(a, b, a__wordsetName, b__wordsetName) {
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if (a__wordsetName !== b__wordsetName) {
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return false;
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}
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const wordsetName = a__wordsetName;
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const wordset = mnemonic.mn_words[wordsetName];
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const prefix_len = wordset.prefix_len;
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// since mnemonics can be entered with only the first N letters, we must check equality of mnemonics by prefix
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let a__mnemonicString_words = a.split(" ");
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let b__mnemonicString_words = b.split(" ");
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if (a__mnemonicString_words.length != b__mnemonicString_words.length) {
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return false;
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}
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let numberOf_mnemonicString_words = a__mnemonicString_words.length;
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for (var i = 0; i < numberOf_mnemonicString_words; i++) {
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let a__word = a__mnemonicString_words[i];
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let b__word = b__mnemonicString_words[i];
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// ... We're assuming that a and b are already valid mneminics
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const a_prefix = a__word.slice(0, prefix_len);
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const b_prefix = b__word.slice(0, prefix_len);
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if (a_prefix !== b_prefix) {
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return false;
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}
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}
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return true;
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}
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exports.AreEqualMnemonics = AreEqualMnemonics;
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//
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////////////////////////////////////////////////////////////////////////////////
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// Mnemonic wordset utilities - Wordset name detection by mnemonic contents
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// TODO: perhaps move this to mnemonic.js
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function WordsetNameAccordingToMnemonicString(
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mnemonicString, // throws
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) {
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const mnemonicString_words = mnemonicString.split(" ");
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if (mnemonicString_words.length == 0) {
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throw "Invalid mnemonic";
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}
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var wholeMnemonicSuspectedAsWordsetNamed = null; // to derive
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for (let mnemonicString_word of mnemonicString_words) {
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var thisWordIsInWordsetNamed = null; // to derive
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for (let wordsetName of allWordsetNames) {
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if (wordsetName === "electrum") {
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continue; // skip because it conflicts with 'english'
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}
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const wordset = mnemonic.mn_words[wordsetName];
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const prefix_len = wordset.prefix_len;
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if (mnemonicString_word.length < prefix_len) {
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throw "Please enter more than " +
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(prefix_len - 1) +
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" letters per word";
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}
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const wordsetWords = wordset.words;
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for (let wordsetWord of wordsetWords) {
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if (wordsetWord.indexOf(mnemonicString_word) == 0) {
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// we can safely check prefix b/c we've checked mnemonicString_word is of at least min length
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thisWordIsInWordsetNamed = wordsetName;
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break; // done looking; exit interior then exterior loops
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}
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}
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if (thisWordIsInWordsetNamed != null) {
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// just found
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break; // also exit
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}
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// haven't found it yet; keep looking
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}
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if (thisWordIsInWordsetNamed === null) {
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// didn't find this word in any of the mnemonic wordsets
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throw "Unrecognized mnemonic language";
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}
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if (wholeMnemonicSuspectedAsWordsetNamed === null) {
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// haven't found it yet
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wholeMnemonicSuspectedAsWordsetNamed = thisWordIsInWordsetNamed;
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} else if (
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thisWordIsInWordsetNamed !== wholeMnemonicSuspectedAsWordsetNamed
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) {
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throw "Ambiguous mnemonic language"; // multiple wordset names detected
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} else {
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// nothing to do but keep verifying the rest of the words that it's the same suspsected wordset
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}
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}
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if (wholeMnemonicSuspectedAsWordsetNamed === null) {
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// this might be redundant, but for logical rigor……
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throw "Unrecognized mnemonic language";
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}
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//
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return wholeMnemonicSuspectedAsWordsetNamed;
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}
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exports.WordsetNameAccordingToMnemonicString = WordsetNameAccordingToMnemonicString;
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//
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//
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////////////////////////////////////////////////////////////////////////////////
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// Mnemonic wordset utilities - By locale
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//
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const mnemonicWordsetNamesByAppLocaleNames = {
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English: "english",
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Japanese: "japanese",
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Spanish: "spanish",
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Portuguese: "portuguese",
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// NOTE: no support for 'electrum' wordset here
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};
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exports.MnemonicWordsetNamesByAppLocaleNames = mnemonicWordsetNamesByAppLocaleNames;
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//
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exports.DefaultWalletMnemonicWordsetName =
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mnemonicWordsetNamesByAppLocaleNames.English;
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//
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//
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////////////////////////////////////////////////////////////////////////////////
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// Wallet creation:
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//
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function NewlyCreatedWallet(mnemonic_wordsetName, nettype) {
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// TODO: possibly deprecate this function now that it's basically a passthrough (it existed so as to avoid modifying cryptonote_utils)
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const ret = monero_utils.newly_created_wallet(
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mnemonic_wordsetName,
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nettype
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);
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return {
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seed: ret.sec_seed_string,
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mnemonicString: ret.mnemonic_string,
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keys: {
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public_addr: ret.address_string,
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view: {
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sec: ret.sec_viewKey_string,
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pub: ret.pub_viewKey_string
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},
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spend: {
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sec: ret.sec_spendKey_string,
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pub: ret.pub_spendKey_string
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}
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}
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};
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}
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exports.NewlyCreatedWallet = NewlyCreatedWallet;
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//
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//
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////////////////////////////////////////////////////////////////////////////////
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// Wallet login:
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//
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function MnemonicStringFromSeed(account_seed, mnemonic_wordsetName) {
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// TODO: possibly deprecate this function as it now merely wraps another
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return monero_utils.mnemonic_from_seed(account_seed, mnemonic_wordsetName);
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}
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exports.MnemonicStringFromSeed = MnemonicStringFromSeed;
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//
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function SeedAndKeysFromMnemonic_sync(
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mnemonicString,
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mnemonic_wordsetName,
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nettype,
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) {
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// -> {err_str?, seed?, keys?}
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mnemonicString = mnemonicString.toLowerCase() || "";
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try {
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const ret = monero_utils.seed_and_keys_from_mnemonic(
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mnemonicString,
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mnemonic_wordsetName
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);
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return {
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err_str: null,
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seed: ret.sec_seed_string,
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keys: {
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public_addr: ret.address_string,
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view: {
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sec: ret.sec_viewKey_string,
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pub: ret.pub_viewKey_string
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},
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spend: {
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sec: ret.sec_spendKey_string,
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pub: ret.pub_spendKey_string
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}
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}
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};
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} catch (e) {
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console.error("Invalid mnemonic!");
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return {
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err_str: typeof e === "string" ? e : "" + e,
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seed: null,
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keys: null,
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};
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}
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}
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exports.SeedAndKeysFromMnemonic_sync = SeedAndKeysFromMnemonic_sync;
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function SeedAndKeysFromMnemonic(
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mnemonicString,
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mnemonic_wordsetName,
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nettype,
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fn, // made available via callback not because it's async but for convenience
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) {
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// fn: (err?, seed?, keys?)
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const payload = SeedAndKeysFromMnemonic_sync(
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mnemonicString,
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mnemonic_wordsetName,
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nettype,
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);
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const err = payload.err_str ? new Error(payload.err_str) : null;
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const seed = payload.seed;
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const keys = payload.keys;
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fn(err, seed, keys);
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}
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exports.SeedAndKeysFromMnemonic = SeedAndKeysFromMnemonic;
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//
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function VerifiedComponentsForLogIn_sync(
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address,
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nettype,
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view_key,
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spend_key__orZero,
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seed__orZero,
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) {
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var spend_key__orEmpty = spend_key__orZero || "";
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var seed__orEmpty = seed__orZero || "";
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try {
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const ret = monero_utils.validate_components_for_login(
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address,
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view_key,
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spend_key__orEmpty,
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seed__orEmpty,
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nettype
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);
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if (ret.isValid == false) { // actually don't think we're expecting this..
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return {
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err_str: "Invalid input"
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}
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}
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return {
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err_str: null,
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public_keys: {
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view: ret.pub_viewKey_string,
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spend: ret.pub_spendKey_string
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},
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isInViewOnlyMode: ret.isInViewOnlyMode // should be true "if(spend_key__orZero)"
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};
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} catch (e) {
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return {
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err_str: typeof e === "string" ? e : "" + e
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};
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}
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}
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exports.VerifiedComponentsForLogIn_sync = VerifiedComponentsForLogIn_sync;
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//
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function VerifiedComponentsForLogIn(
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address,
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nettype,
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view_key,
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spend_key_orUndef,
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seed_orUndef,
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fn,
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) {
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// fn: (err?, address, account_seed, public_keys, private_keys, isInViewOnlyMode) -> Void
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const payload = VerifiedComponentsForLogIn_sync(
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address,
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nettype,
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view_key,
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spend_key_orUndef,
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seed_orUndef
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);
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fn(
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payload.err_str ? new Error(payload.err_str) : null,
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payload.public_keys,
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payload.isInViewOnlyMode,
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);
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}
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exports.VerifiedComponentsForLogIn = VerifiedComponentsForLogIn;
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