mirror of
https://github.com/BlueWallet/BlueWallet.git
synced 2024-11-19 18:00:17 +01:00
414 lines
14 KiB
JavaScript
414 lines
14 KiB
JavaScript
import wif from 'wif';
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import bip38 from 'bip38';
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import {
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HDAezeedWallet,
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HDLegacyBreadwalletWallet,
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HDLegacyElectrumSeedP2PKHWallet,
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HDLegacyP2PKHWallet,
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HDSegwitBech32Wallet,
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HDSegwitElectrumSeedP2WPKHWallet,
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HDSegwitP2SHWallet,
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LegacyWallet,
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LightningCustodianWallet,
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LightningLdkWallet,
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MultisigHDWallet,
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SLIP39LegacyP2PKHWallet,
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SLIP39SegwitBech32Wallet,
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SLIP39SegwitP2SHWallet,
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SegwitBech32Wallet,
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SegwitP2SHWallet,
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WatchOnlyWallet,
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} from '.';
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import loc from '../loc';
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import bip39WalletFormats from './bip39_wallet_formats.json'; // https://github.com/spesmilo/electrum/blob/master/electrum/bip39_wallet_formats.json
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import bip39WalletFormatsBlueWallet from './bip39_wallet_formats_bluewallet.json';
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// https://github.com/bitcoinjs/bip32/blob/master/ts-src/bip32.ts#L43
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export const validateBip32 = path => path.match(/^(m\/)?(\d+'?\/)*\d+'?$/) !== null;
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/**
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* Function that starts wallet search and import process. It has async generator inside, so
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* that the process can be stoped at any time. It reporst all the progress through callbacks.
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*
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* @param askPassphrase {bool} If true import process will call onPassword callback for wallet with optional password.
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* @param searchAccounts {bool} If true import process will scan for all known derivation path from bip39_wallet_formats.json. If false it will use limited version.
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* @param onProgress {function} Callback to report scanning progress
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* @param onWallet {function} Callback to report wallet found
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* @param onPassword {function} Callback to ask for password if needed
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* @returns {{promise: Promise, stop: function}}
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*/
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const startImport = (importTextOrig, askPassphrase = false, searchAccounts = false, onProgress, onWallet, onPassword) => {
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// state
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let promiseResolve;
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let promiseReject;
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let running = true; // if you put it to false, internal generator stops
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const wallets = [];
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const promise = new Promise((resolve, reject) => {
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promiseResolve = resolve;
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promiseReject = reject;
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});
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// actions
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const reportProgress = name => {
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onProgress(name);
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};
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const reportFinish = (cancelled, stopped) => {
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promiseResolve({ cancelled, stopped, wallets });
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};
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const reportWallet = wallet => {
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if (wallets.some(w => w.getID() === wallet.getID())) return; // do not add duplicates
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wallets.push(wallet);
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onWallet(wallet);
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};
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const stop = () => (running = false);
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async function* importGenerator() {
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// The plan:
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// -3. ask for password, if needed and validate it
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// -2. check if BIP38 encrypted
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// -1a. check if multisig
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// -1. check lightning custodian
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// 0. check if its HDSegwitBech32Wallet (BIP84)
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// 1. check if its HDSegwitP2SHWallet (BIP49)
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// 2. check if its HDLegacyP2PKHWallet (BIP44)
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// 3. check if its HDLegacyBreadwalletWallet (no BIP, just "m/0")
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// 3.1 check HD Electrum legacy
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// 3.2 check if its AEZEED
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// 3.3 check if its SLIP39
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// 4. check if its Segwit WIF (P2SH)
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// 5. check if its Legacy WIF
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// 6. check if its address (watch-only wallet)
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// 7. check if its private key (segwit address P2SH) TODO
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// 7. check if its private key (legacy address) TODO
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let text = importTextOrig.trim();
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let password;
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// BIP38 password required
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if (text.startsWith('6P')) {
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do {
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password = await onPassword(loc.wallets.looks_like_bip38, loc.wallets.enter_bip38_password);
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} while (!password);
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}
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// HD BIP39 wallet password is optinal
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const hd = new HDSegwitBech32Wallet();
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hd.setSecret(text);
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if (askPassphrase && hd.validateMnemonic()) {
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password = await onPassword(loc.wallets.import_passphrase_title, loc.wallets.import_passphrase_message);
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}
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// AEZEED password needs to be correct
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const aezeed = new HDAezeedWallet();
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aezeed.setSecret(text);
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if (await aezeed.mnemonicInvalidPassword()) {
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do {
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password = await onPassword('', loc.wallets.enter_bip38_password);
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aezeed.setPassphrase(password);
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} while (await aezeed.mnemonicInvalidPassword());
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}
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// SLIP39 wallet password is optinal
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if (askPassphrase && text.includes('\n')) {
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const s1 = new SLIP39SegwitP2SHWallet();
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s1.setSecret(text);
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if (s1.validateMnemonic()) {
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password = await onPassword(loc.wallets.import_passphrase_title, loc.wallets.import_passphrase_message);
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}
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}
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// ELECTRUM segwit wallet password is optinal
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const electrum1 = new HDSegwitElectrumSeedP2WPKHWallet();
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electrum1.setSecret(text);
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if (askPassphrase && electrum1.validateMnemonic()) {
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password = await onPassword(loc.wallets.import_passphrase_title, loc.wallets.import_passphrase_message);
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}
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// ELECTRUM legacy wallet password is optinal
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const electrum2 = new HDLegacyElectrumSeedP2PKHWallet();
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electrum2.setSecret(text);
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if (askPassphrase && electrum2.validateMnemonic()) {
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password = await onPassword(loc.wallets.import_passphrase_title, loc.wallets.import_passphrase_message);
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}
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// is it bip38 encrypted
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if (text.startsWith('6P')) {
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const decryptedKey = await bip38.decryptAsync(text, password);
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if (decryptedKey) {
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text = wif.encode(0x80, decryptedKey.privateKey, decryptedKey.compressed);
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}
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}
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// is it multisig?
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yield { progress: 'multisignature' };
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const ms = new MultisigHDWallet();
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ms.setSecret(text);
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if (ms.getN() > 0 && ms.getM() > 0) {
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await ms.fetchBalance();
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yield { wallet: ms };
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}
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// is it lightning custodian?
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yield { progress: 'lightning custodian' };
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if (text.startsWith('blitzhub://') || text.startsWith('lndhub://')) {
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const lnd = new LightningCustodianWallet();
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if (text.includes('@')) {
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const split = text.split('@');
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lnd.setBaseURI(split[1]);
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lnd.setSecret(split[0]);
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}
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await lnd.init();
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await lnd.authorize();
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await lnd.fetchTransactions();
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await lnd.fetchUserInvoices();
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await lnd.fetchPendingTransactions();
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await lnd.fetchBalance();
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yield { wallet: lnd };
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}
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// is it LDK?
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yield { progress: 'lightning' };
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if (text.startsWith('ldk://')) {
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const ldk = new LightningLdkWallet();
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ldk.setSecret(text);
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if (ldk.valid()) {
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await ldk.init();
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yield { wallet: ldk };
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}
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}
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// check bip39 wallets
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yield { progress: 'bip39' };
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const hd2 = new HDSegwitBech32Wallet();
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hd2.setSecret(text);
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hd2.setPassphrase(password);
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if (hd2.validateMnemonic()) {
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let walletFound = false;
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// by default we don't try all the paths and options
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const paths = searchAccounts ? bip39WalletFormats : bip39WalletFormatsBlueWallet;
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for (const i of paths) {
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// we need to skip m/0' p2pkh from default scan list. It could be a BRD wallet and will be handled later
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if (i.derivation_path === "m/0'" && i.script_type === 'p2pkh') continue;
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let paths;
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if (i.iterate_accounts && searchAccounts) {
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const basicPath = i.derivation_path.slice(0, -2); // remove 0' from the end
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paths = [...Array(10).keys()].map(j => basicPath + j + "'"); // add account number
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} else {
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paths = [i.derivation_path];
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}
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let WalletClass;
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switch (i.script_type) {
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case 'p2pkh':
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WalletClass = HDLegacyP2PKHWallet;
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break;
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case 'p2wpkh-p2sh':
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WalletClass = HDSegwitP2SHWallet;
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break;
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default:
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// p2wpkh
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WalletClass = HDSegwitBech32Wallet;
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}
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for (const path of paths) {
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const wallet = new WalletClass();
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wallet.setSecret(text);
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wallet.setPassphrase(password);
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wallet.setDerivationPath(path);
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yield { progress: `bip39 ${i.script_type} ${path}` };
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if (await wallet.wasEverUsed()) {
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yield { wallet };
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walletFound = true;
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} else {
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break; // don't check second account if first one is empty
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}
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}
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}
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// m/0' p2pkh is a special case. It could be regular a HD wallet or a BRD wallet.
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// to decide which one is it let's compare number of transactions
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const m0Legacy = new HDLegacyP2PKHWallet();
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m0Legacy.setSecret(text);
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m0Legacy.setPassphrase(password);
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m0Legacy.setDerivationPath("m/0'");
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yield { progress: "bip39 p2pkh m/0'" };
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// BRD doesn't support passphrase and only works with 12 words seeds
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if (!password && text.split(' ').length === 12) {
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const brd = new HDLegacyBreadwalletWallet();
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brd.setSecret(text);
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if (await m0Legacy.wasEverUsed()) {
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await m0Legacy.fetchBalance();
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await m0Legacy.fetchTransactions();
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yield { progress: 'BRD' };
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await brd.fetchBalance();
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await brd.fetchTransactions();
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if (brd.getTransactions().length > m0Legacy.getTransactions().length) {
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yield { wallet: brd };
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} else {
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yield { wallet: m0Legacy };
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}
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walletFound = true;
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}
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} else {
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if (await m0Legacy.wasEverUsed()) {
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yield { wallet: m0Legacy };
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walletFound = true;
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}
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}
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// if we havent found any wallet for this seed suggest new bech32 wallet
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if (!walletFound) {
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yield { wallet: hd2 };
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}
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// return;
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}
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yield { progress: 'wif' };
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const segwitWallet = new SegwitP2SHWallet();
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segwitWallet.setSecret(text);
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if (segwitWallet.getAddress()) {
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// ok its a valid WIF
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let walletFound = false;
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yield { progress: 'wif p2wpkh' };
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const segwitBech32Wallet = new SegwitBech32Wallet();
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segwitBech32Wallet.setSecret(text);
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if (await segwitBech32Wallet.wasEverUsed()) {
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// yep, its single-address bech32 wallet
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await segwitBech32Wallet.fetchBalance();
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walletFound = true;
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yield { wallet: segwitBech32Wallet };
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}
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yield { progress: 'wif p2wpkh-p2sh' };
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if (await segwitWallet.wasEverUsed()) {
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// yep, its single-address p2wpkh wallet
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await segwitWallet.fetchBalance();
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walletFound = true;
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yield { wallet: segwitWallet };
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}
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// default wallet is Legacy
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yield { progress: 'wif p2pkh' };
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const legacyWallet = new LegacyWallet();
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legacyWallet.setSecret(text);
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if (await legacyWallet.wasEverUsed()) {
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// yep, its single-address legacy wallet
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await legacyWallet.fetchBalance();
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walletFound = true;
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yield { wallet: legacyWallet };
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}
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// if no wallets was ever used, import all of them
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if (!walletFound) {
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yield { wallet: segwitBech32Wallet };
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yield { wallet: segwitWallet };
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yield { wallet: legacyWallet };
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}
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}
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// case - WIF is valid, just has uncompressed pubkey
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yield { progress: 'wif p2pkh' };
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const legacyWallet = new LegacyWallet();
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legacyWallet.setSecret(text);
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if (legacyWallet.getAddress()) {
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await legacyWallet.fetchBalance();
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await legacyWallet.fetchTransactions();
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yield { wallet: legacyWallet };
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}
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// maybe its a watch-only address?
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yield { progress: 'watch only' };
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const watchOnly = new WatchOnlyWallet();
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watchOnly.setSecret(text);
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if (watchOnly.valid()) {
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await watchOnly.fetchBalance();
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yield { wallet: watchOnly };
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}
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// electrum p2wpkh-p2sh
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yield { progress: 'electrum p2wpkh-p2sh' };
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const el1 = new HDSegwitElectrumSeedP2WPKHWallet();
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el1.setSecret(text);
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el1.setPassphrase(password);
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if (el1.validateMnemonic()) {
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yield { wallet: el1 }; // not fetching txs or balances, fuck it, yolo, life is too short
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}
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// electrum p2wpkh-p2sh
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yield { progress: 'electrum p2pkh' };
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const el2 = new HDLegacyElectrumSeedP2PKHWallet();
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el2.setSecret(text);
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el2.setPassphrase(password);
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if (el2.validateMnemonic()) {
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yield { wallet: el2 }; // not fetching txs or balances, fuck it, yolo, life is too short
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}
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// is it AEZEED?
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yield { progress: 'aezeed' };
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const aezeed2 = new HDAezeedWallet();
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aezeed2.setSecret(text);
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aezeed2.setPassphrase(password);
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if (await aezeed2.validateMnemonicAsync()) {
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yield { wallet: aezeed2 }; // not fetching txs or balances, fuck it, yolo, life is too short
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}
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// if it is multi-line string, then it is probably SLIP39 wallet
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// each line - one share
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yield { progress: 'SLIP39' };
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if (text.includes('\n')) {
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const s1 = new SLIP39SegwitP2SHWallet();
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s1.setSecret(text);
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if (s1.validateMnemonic()) {
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yield { progress: 'SLIP39 p2wpkh-p2sh' };
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s1.setPassphrase(password);
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if (await s1.wasEverUsed()) {
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yield { wallet: s1 };
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}
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yield { progress: 'SLIP39 p2pkh' };
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const s2 = new SLIP39LegacyP2PKHWallet();
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s2.setPassphrase(password);
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s2.setSecret(text);
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if (await s2.wasEverUsed()) {
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yield { wallet: s2 };
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}
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yield { progress: 'SLIP39 p2wpkh' };
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const s3 = new SLIP39SegwitBech32Wallet();
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s3.setSecret(text);
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s3.setPassphrase(password);
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yield { wallet: s3 };
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}
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}
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}
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// POEHALI
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(async () => {
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const generator = importGenerator();
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while (true) {
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const next = await generator.next();
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if (!running) throw new Error('Discovery stopped'); // break if stop() has been called
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if (next.value?.progress) reportProgress(next.value.progress);
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if (next.value?.wallet) reportWallet(next.value.wallet);
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if (next.done) break; // break if generator has been finished
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}
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reportFinish();
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})().catch(e => {
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if (e.message === 'Cancel Pressed') {
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reportFinish(true);
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return;
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} else if (e.message === 'Discovery stopped') {
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reportFinish(undefined, true);
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return;
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}
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promiseReject(e);
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});
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return { promise, stop };
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};
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export default startImport;
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