BlueWallet/tests/e2e/bluewallet.spec.js

const bitcoin = require('bitcoinjs-lib');
const assert = require('assert');
const createHash = require('create-hash');

jasmine.getEnv().addReporter({
  specStarted: result => (jasmine.currentTest = result),
  specDone: result => (jasmine.currentTest = result),
});

describe('BlueWallet UI Tests', () => {
  it('selftest passes', async () => {
    const lockFile = '/tmp/travislock.' + hashIt(jasmine.currentTest.fullName);
    if (process.env.TRAVIS) {
      if (require('fs').existsSync(lockFile))
        return console.warn('skipping', JSON.stringify(jasmine.currentTest.fullName), 'as it previously passed on Travis');
    }
    await waitFor(element(by.id('WalletsList')))
      .toBeVisible()
      .withTimeout(300 * 1000);

    // go to settings, press SelfTest and wait for OK
    await element(by.id('SettingsButton')).tap();
    await element(by.id('AboutButton')).tap();
    await element(by.id('AboutScrollView')).swipe('up', 'fast', 1); // in case emu screen is small and it doesnt fit
    await element(by.id('RunSelfTestButton')).tap();
    await waitFor(element(by.id('SelfTestOk')))
      .toBeVisible()
      .withTimeout(300 * 1000);
    await device.pressBack();
    await device.pressBack();
    await device.pressBack();
    process.env.TRAVIS && require('fs').writeFileSync(lockFile, '1');
  });

  it('all settings screens work', async () => {
    const lockFile = '/tmp/travislock.' + hashIt(jasmine.currentTest.fullName);
    if (process.env.TRAVIS) {
      if (require('fs').existsSync(lockFile))
        return console.warn('skipping', JSON.stringify(jasmine.currentTest.fullName), 'as it previously passed on Travis');
    }
    await yo('WalletsList');

    // go to settings, press SelfTest and wait for OK
    await element(by.id('SettingsButton')).tap();

    // general
    await element(by.id('GeneralSettings')).tap();

    // privacy
    // trigger switches
    await element(by.id('SettingsPrivacy')).tap();
    await element(by.id('ClipboardSwith')).tap();
    await element(by.id('ClipboardSwith')).tap();
    await element(by.id('QuickActionsSwith')).tap();
    await element(by.id('QuickActionsSwith')).tap();
    await device.pressBack();

    // enable AdvancedMode
    await element(by.id('AdvancedMode')).tap();
    await device.pressBack();
    // disable it:
    await element(by.id('GeneralSettings')).tap();
    await element(by.id('AdvancedMode')).tap();
    await device.pressBack();
    //
    // currency
    // change currency to ARS ($) and switch it back to USD ($)
    await element(by.id('Currency')).tap();
    await element(by.text('ARS ($)')).tap();
    await expect(element(by.text('Prices are obtained from Yadio'))).toBeVisible();
    await element(by.text('USD ($)')).tap();
    await device.pressBack();

    // language
    // change language to Chinese (ZH), test it and switch back to English
    await element(by.id('Language')).tap();
    await element(by.text('Chinese (ZH)')).tap();
    await device.pressBack();
    await expect(element(by.text('语言'))).toBeVisible();
    await element(by.id('Language')).tap();
    await element(by.text('English')).tap();
    await device.pressBack();

    // security
    await element(by.id('SecurityButton')).tap();
    await device.pressBack();

    // network
    await element(by.id('NetworkSettings')).tap();

    // network -> electrum server
    // change electrum server to electrum.blockstream.info and revert it back
    await element(by.id('ElectrumSettings')).tap();
    await element(by.id('HostInput')).replaceText('electrum.blockstream.info\n');
    await element(by.id('PortInput')).replaceText('50001\n');
    await element(by.id('Save')).tap();
    await sup('OK');
    await element(by.text('OK')).tap();
    await element(by.id('ResetToDefault')).tap();
    await sup('OK');
    await element(by.text('OK')).tap();
    await expect(element(by.id('HostInput'))).toHaveText('');
    await expect(element(by.id('PortInput'))).toHaveText('');
    await expect(element(by.id('SSLPortInput'))).toHaveToggleValue(false);
    await device.pressBack();

    // network -> lightning
    // change URI and revert it back
    await element(by.id('LightningSettings')).tap();
    await element(by.id('URIInput')).replaceText('invalid\n');
    await element(by.id('Save')).tap();
    await sup('OK');
    await expect(element(by.text('Invalid LNDHub URI'))).toBeVisible();
    await element(by.text('OK')).tap();
    await element(by.id('URIInput')).replaceText('https://lndhub.herokuapp.com\n');
    await element(by.id('Save')).tap();
    await sup('OK');
    await expect(element(by.text('Your changes have been saved successfully.'))).toBeVisible();
    await element(by.text('OK')).tap();
    await element(by.id('URIInput')).replaceText('\n');
    await element(by.id('Save')).tap();
    await sup('OK');
    await expect(element(by.text('Your changes have been saved successfully.'))).toBeVisible();
    await element(by.text('OK')).tap();
    await device.pressBack();

    // notifications
    // turn on notifications if available
    // console.warn('yo');
    // await sleep(300000);
    if (await expectToBeVisible('NotificationSettings')) {
      await element(by.id('NotificationSettings')).tap();
      await element(by.id('NotificationsSwitch')).tap();
      await sup('OK');
      await element(by.text('OK')).tap();
      await element(by.id('NotificationsSwitch')).tap();
      await device.pressBack();
      await device.pressBack();
    } else {
      await device.pressBack();
    }

    // tools
    await element(by.id('Tools')).tap();

    // tools -> broadcast
    // try to broadcast wrong tx
    await element(by.id('Broadcast')).tap();
    await element(by.id('TxHex')).replaceText('invalid\n');
    await element(by.id('BroadcastButton')).tap();
    await sup('OK');
    // await expect(element(by.text('the transaction was rejected by network rules....'))).toBeVisible();
    await element(by.text('OK')).tap();
    await device.pressBack();

    // IsItMyAddress
    await element(by.id('IsItMyAddress')).tap();
    await element(by.id('AddressInput')).replaceText('bc1q063ctu6jhe5k4v8ka99qac8rcm2tzjjnuktyrl');
    await element(by.id('CheckAddress')).tap();
    await expect(element(by.id('Result'))).toHaveText('None of the available wallets own the provided address.');
    await device.pressBack();
    await device.pressBack();

    // about
    await element(by.id('AboutButton')).tap();
    await device.pressBack();
    await device.pressBack();
    process.env.TRAVIS && require('fs').writeFileSync(lockFile, '1');
  });

  it('can create wallet, reload app and it persists. then go to receive screen, set custom amount and label. Dismiss modal and go to WalletsList.', async () => {
    const lockFile = '/tmp/travislock.' + hashIt(jasmine.currentTest.fullName);
    if (process.env.TRAVIS) {
      if (require('fs').existsSync(lockFile))
        return console.warn('skipping', JSON.stringify(jasmine.currentTest.fullName), 'as it previously passed on Travis');
    }
    await yo('WalletsList');

    await helperCreateWallet();

    await device.launchApp({ newInstance: true });
    await yo('WalletsList');
    await expect(element(by.id('cr34t3d'))).toBeVisible();
    await element(by.id('cr34t3d')).tap();
    await element(by.id('ReceiveButton')).tap();
    await element(by.text('Yes, I have')).tap();
    try {
      // in case emulator has no google services and doesnt support pushes
      // we just dont show this popup
      await element(by.text(`No, and don’t ask me again`)).tap();
    } catch (_) {}
    await yo('BitcoinAddressQRCodeContainer');
    await yo('BlueCopyTextToClipboard');
    await element(by.id('SetCustomAmountButton')).tap();
    await element(by.id('BitcoinAmountInput')).replaceText('1');
    await element(by.id('CustomAmountDescription')).typeText('test');
    await element(by.id('CustomAmountSaveButton')).tap();
    await sup('1 BTC');
    await sup('test');
    await yo('BitcoinAddressQRCodeContainer');
    await yo('BlueCopyTextToClipboard');
    await device.pressBack();
    await device.pressBack();
    await helperDeleteWallet('cr34t3d');
    process.env.TRAVIS && require('fs').writeFileSync(lockFile, '1');
  });

  it('can encrypt storage, with plausible deniabilityl decrypt fake storage', async () => {
    const lockFile = '/tmp/travislock.' + hashIt(jasmine.currentTest.fullName);
    if (process.env.TRAVIS) {
      if (require('fs').existsSync(lockFile))
        return console.warn('skipping', JSON.stringify(jasmine.currentTest.fullName), 'as it previously passed on Travis');
    }
    await yo('WalletsList');

    // lets create a wallet
    await helperCreateWallet();

    // go to settings
    await expect(element(by.id('SettingsButton'))).toBeVisible();
    await element(by.id('SettingsButton')).tap();
    await expect(element(by.id('SecurityButton'))).toBeVisible();

    // go to Security page where we will enable encryption
    await element(by.id('SecurityButton')).tap();
    // await expect(element(by.id('EncyptedAndPasswordProtected'))).toBeVisible(); // @see https://github.com/react-native-elements/react-native-elements/issues/2519
    await expect(element(by.id('PlausibleDeniabilityButton'))).toBeNotVisible();

    if (device.getPlatform() === 'ios') {
      console.warn('Android only test skipped');
      return;
    }

    // lets encrypt the storage.
    // first, trying to mistype second password:
    await element(by.type('android.widget.CompoundButton')).tap(); // thats a switch lol. lets tap it
    await element(by.type('android.widget.EditText')).typeText('08902');
    await element(by.text('OK')).tap();
    await element(by.type('android.widget.EditText')).typeText('666');
    await element(by.text('OK')).tap();
    await expect(element(by.text('Passwords do not match.'))).toBeVisible();
    await element(by.text('OK')).tap();

    // now, lets put correct passwords and encrypt the storage
    await element(by.type('android.widget.CompoundButton')).tap(); // thats a switch lol
    await element(by.type('android.widget.EditText')).typeText('qqq');
    await element(by.text('OK')).tap();
    await element(by.type('android.widget.EditText')).typeText('qqq');
    await element(by.text('OK')).tap();

    // relaunch app
    await device.launchApp({ newInstance: true });
    await waitFor(element(by.text('OK')))
      .toBeVisible()
      .withTimeout(33000);

    // trying to decrypt with incorrect password
    await expect(element(by.text('Your storage is encrypted. Password is required to decrypt it.'))).toBeVisible();
    await element(by.type('android.widget.EditText')).typeText('wrong');
    await element(by.text('OK')).tap();
    await expect(element(by.text('Incorrect password. Please try again.'))).toBeVisible();

    // correct password
    await element(by.type('android.widget.EditText')).typeText('qqq');
    await element(by.text('OK')).tap();
    await yo('WalletsList');

    // previously created wallet should be visible
    await expect(element(by.id('cr34t3d'))).toBeVisible();

    // now lets enable plausible deniability feature

    // go to settings -> security screen -> plausible deniability screen
    await element(by.id('SettingsButton')).tap();
    await expect(element(by.id('SecurityButton'))).toBeVisible();
    await element(by.id('SecurityButton')).tap();
    // await expect(element(by.id('EncyptedAndPasswordProtected'))).toBeVisible(); // @see https://github.com/react-native-elements/react-native-elements/issues/2519
    await expect(element(by.id('PlausibleDeniabilityButton'))).toBeVisible();
    await element(by.id('PlausibleDeniabilityButton')).tap();

    // trying to enable plausible denability
    await element(by.id('CreateFakeStorageButton')).tap();
    await expect(element(by.text('Password for the fake storage should not match the password for your main storage.'))).toBeVisible();

    // trying MAIN password: should fail, obviously
    await element(by.type('android.widget.EditText')).typeText('qqq');
    await element(by.text('OK')).tap();
    await expect(element(by.text('Password is currently in use. Please try a different password.'))).toBeVisible();
    if (process.env.TRAVIS) await sleep(3000); // hopefully helps prevent crash
    await element(by.text('OK')).tap();
    if (process.env.TRAVIS) await sleep(3000); // hopefully helps prevent crash

    // trying new password, but will mistype
    await element(by.id('CreateFakeStorageButton')).tap();
    if (process.env.TRAVIS) await sleep(3000); // hopefully helps prevent crash
    await element(by.type('android.widget.EditText')).typeText('passwordForFakeStorage');
    await element(by.text('OK')).tap();
    await expect(element(by.text('Re-type password'))).toBeVisible();
    await element(by.type('android.widget.EditText')).typeText('passwordForFakeStorageWithTypo'); // retyping with typo
    await element(by.text('OK')).tap();
    await expect(element(by.text('Passwords do not match. Please try again.'))).toBeVisible();
    await element(by.text('OK')).tap();

    // trying new password
    await element(by.id('CreateFakeStorageButton')).tap();
    await element(by.type('android.widget.EditText')).typeText('passwordForFakeStorage');
    await element(by.text('OK')).tap();
    await expect(element(by.text('Re-type password'))).toBeVisible();
    await element(by.type('android.widget.EditText')).typeText('passwordForFakeStorage'); // retyping
    await element(by.text('OK')).tap();

    await expect(element(by.text('Success'))).toBeVisible();
    await element(by.text('OK')).tap();

    // created fake storage.
    // creating a wallet inside this fake storage
    await helperCreateWallet('fake_wallet');

    // relaunch the app, unlock with fake password, expect to see fake wallet

    // relaunch app
    await device.launchApp({ newInstance: true });
    await waitFor(element(by.text('OK')))
      .toBeVisible()
      .withTimeout(33000);
    //
    await expect(element(by.text('Your storage is encrypted. Password is required to decrypt it.'))).toBeVisible();
    await element(by.type('android.widget.EditText')).typeText('qqq');
    await element(by.text('OK')).tap();
    await yo('WalletsList');

    // previously created wallet IN MAIN STORAGE should be visible
    await expect(element(by.id('cr34t3d'))).toBeVisible();

    // relaunch app
    await device.launchApp({ newInstance: true });
    await sleep(3000);
    //
    await expect(element(by.text('Your storage is encrypted. Password is required to decrypt it.'))).toBeVisible();
    await element(by.type('android.widget.EditText')).typeText('passwordForFakeStorage');
    await element(by.text('OK')).tap();
    await yo('WalletsList');

    // previously created wallet in FAKE storage should be visible
    await expect(element(by.id('fake_wallet'))).toBeVisible();

    // now derypting it, to cleanup
    await element(by.id('SettingsButton')).tap();
    await element(by.id('SecurityButton')).tap();

    // correct password
    await element(by.type('android.widget.CompoundButton')).tap(); // thats a switch lol
    await element(by.text('OK')).tap();
    await element(by.type('android.widget.EditText')).typeText('passwordForFakeStorage');
    await element(by.text('OK')).tap();

    await helperDeleteWallet('fake_wallet');

    process.env.TRAVIS && require('fs').writeFileSync(lockFile, '1');
  });

  it('can encrypt storage, and decrypt storage works', async () => {
    const lockFile = '/tmp/travislock.' + hashIt(jasmine.currentTest.fullName);
    if (process.env.TRAVIS) {
      if (require('fs').existsSync(lockFile))
        return console.warn('skipping', JSON.stringify(jasmine.currentTest.fullName), 'as it previously passed on Travis');
    }
    await yo('WalletsList');
    await helperCreateWallet();
    await element(by.id('SettingsButton')).tap();
    await element(by.id('SecurityButton')).tap();
    if (device.getPlatform() === 'ios') {
      console.warn('Android only test skipped');
      return;
    }

    // lets encrypt the storage.
    // lets put correct passwords and encrypt the storage
    await element(by.type('android.widget.CompoundButton')).tap(); // thats a switch lol
    await element(by.type('android.widget.EditText')).typeText('pass');
    await element(by.text('OK')).tap();
    await element(by.type('android.widget.EditText')).typeText('pass');
    await element(by.text('OK')).tap();
    await element(by.id('PlausibleDeniabilityButton')).tap();

    // trying to enable plausible denability
    await element(by.id('CreateFakeStorageButton')).tap();
    await element(by.type('android.widget.EditText')).typeText('fake');
    await element(by.text('OK')).tap();
    await expect(element(by.text('Re-type password'))).toBeVisible();
    await element(by.type('android.widget.EditText')).typeText('fake'); // retyping
    await element(by.text('OK')).tap();
    await expect(element(by.text('Success'))).toBeVisible();
    await element(by.text('OK')).tap();

    // created fake storage.
    // creating a wallet inside this fake storage
    await helperCreateWallet('fake_wallet');

    // relaunch app
    await device.launchApp({ newInstance: true });
    await waitFor(element(by.text('OK')))
      .toBeVisible()
      .withTimeout(33000);
    //
    await expect(element(by.text('Your storage is encrypted. Password is required to decrypt it.'))).toBeVisible();
    await element(by.type('android.widget.EditText')).typeText('pass');
    await element(by.text('OK')).tap();
    await yo('WalletsList');

    // previously created wallet IN MAIN STORAGE should be visible
    await expect(element(by.id('cr34t3d'))).toBeVisible();

    // now go to settings, and decrypt
    await element(by.id('SettingsButton')).tap();
    await element(by.id('SecurityButton')).tap();

    // putting FAKE storage password. should not succeed
    await element(by.type('android.widget.CompoundButton')).tap(); // thats a switch lol
    await element(by.text('OK')).tap();
    await element(by.type('android.widget.EditText')).typeText('fake');
    await element(by.text('OK')).tap();
    await expect(element(by.text('Incorrect password. Please try again.'))).toBeVisible();
    await element(by.text('OK')).tap();

    // correct password
    await element(by.type('android.widget.CompoundButton')).tap(); // thats a switch lol
    await element(by.text('OK')).tap();
    await element(by.type('android.widget.EditText')).typeText('pass');
    await element(by.text('OK')).tap();

    // relaunch app
    await device.launchApp({ newInstance: true });
    await yo('cr34t3d'); // success
    await helperDeleteWallet('cr34t3d');
    process.env.TRAVIS && require('fs').writeFileSync(lockFile, '1');
  });

  it('can import BIP84 mnemonic, fetch balance & transactions, then create a transaction; then cosign', async () => {
    const lockFile = '/tmp/travislock.' + hashIt(jasmine.currentTest.fullName);
    if (process.env.TRAVIS) {
      if (require('fs').existsSync(lockFile))
        return console.warn('skipping', JSON.stringify(jasmine.currentTest.fullName), 'as it previously passed on Travis');
    }
    if (!process.env.HD_MNEMONIC_BIP84) {
      console.error('process.env.HD_MNEMONIC_BIP84 not set, skipped');
      return;
    }

    await helperImportWallet(process.env.HD_MNEMONIC_BIP84, 'Imported HD SegWit (BIP84 Bech32 Native)', '0.00105526 BTC');

    // lets create real transaction:
    await element(by.id('SendButton')).tap();
    await element(by.id('AddressInput')).replaceText('bc1q063ctu6jhe5k4v8ka99qac8rcm2tzjjnuktyrl');
    await element(by.id('BitcoinAmountInput')).typeText('0.0001\n');

    // setting fee rate:
    const feeRate = 2;
    await element(by.id('chooseFee')).tap();
    await element(by.id('feeCustom')).tap();
    await element(by.type('android.widget.EditText')).typeText(feeRate + '');
    await element(by.text('OK')).tap();

    if (process.env.TRAVIS) await sleep(5000);
    try {
      await element(by.id('CreateTransactionButton')).tap();
    } catch (_) {}

    // created. verifying:
    await yo('TransactionValue');
    expect(element(by.id('TransactionValue'))).toHaveText('0.0001');
    const transactionFee = await extractTextFromElementById('TransactionFee');
    assert.ok(transactionFee.startsWith('Fee: 0.00000292 BTC'), 'Unexpected tx fee: ' + transactionFee);
    await element(by.id('TransactionDetailsButton')).tap();

    let txhex = await extractTextFromElementById('TxhexInput');

    let transaction = bitcoin.Transaction.fromHex(txhex);
    assert.ok(transaction.ins.length === 1 || transaction.ins.length === 2); // depending on current fees gona use either 1 or 2 inputs
    assert.strictEqual(transaction.outs.length, 2);
    assert.strictEqual(bitcoin.address.fromOutputScript(transaction.outs[0].script), 'bc1q063ctu6jhe5k4v8ka99qac8rcm2tzjjnuktyrl'); // to address
    assert.strictEqual(transaction.outs[0].value, 10000);

    // checking fee rate:
    const totalIns = 100000; // we hardcode it since we know it in advance
    const totalOuts = transaction.outs.map(el => el.value).reduce((a, b) => a + b, 0);
    const tx = bitcoin.Transaction.fromHex(txhex);
    assert.strictEqual(Math.round((totalIns - totalOuts) / tx.virtualSize()), feeRate);
    assert.strictEqual(transactionFee.split(' ')[1] * 100000000, totalIns - totalOuts);

    if (device.getPlatform() === 'ios') {
      console.warn('rest of the test is Android only, skipped');
      return;
    }

    // now, testing scanQR with bip21:

    await device.pressBack();
    await device.pressBack();
    await element(by.id('changeAmountUnitButton')).tap(); // switched to SATS
    await element(by.id('BlueAddressInputScanQrButton')).tap();

    // tapping 5 times invisible button is a backdoor:
    for (let c = 0; c <= 5; c++) {
      await element(by.id('ScanQrBackdoorButton')).tap();
      await sleep(1000);
    }

    const bip21 = 'bitcoin:bc1qnapskphjnwzw2w3dk4anpxntunc77v6qrua0f7?amount=0.00015&pj=https://btc.donate.kukks.org/BTC/pj';
    await element(by.id('scanQrBackdoorInput')).replaceText(bip21);
    await element(by.id('scanQrBackdoorOkButton')).tap();

    if (process.env.TRAVIS) await sleep(5000);
    try {
      await element(by.id('CreateTransactionButton')).tap();
    } catch (_) {}
    // created. verifying:
    await yo('TransactionValue');
    await yo('PayjoinSwitch');
    await element(by.id('TransactionDetailsButton')).tap();
    txhex = await extractTextFromElementById('TxhexInput');
    transaction = bitcoin.Transaction.fromHex(txhex);
    assert.strictEqual(bitcoin.address.fromOutputScript(transaction.outs[0].script), 'bc1qnapskphjnwzw2w3dk4anpxntunc77v6qrua0f7');
    assert.strictEqual(transaction.outs[0].value, 15000);

    // now, testing scanQR with just address after amount set to 1.1 USD. Denomination should not change after qrcode scan

    await device.pressBack();
    await device.pressBack();
    await element(by.id('changeAmountUnitButton')).tap(); // switched to SATS
    await element(by.id('changeAmountUnitButton')).tap(); // switched to FIAT
    await element(by.id('BitcoinAmountInput')).replaceText('1.1');
    await element(by.id('BlueAddressInputScanQrButton')).tap();

    // tapping 5 times invisible button is a backdoor:
    for (let c = 0; c <= 5; c++) {
      await element(by.id('ScanQrBackdoorButton')).tap();
      await sleep(1000);
    }

    await element(by.id('scanQrBackdoorInput')).replaceText('bc1qnapskphjnwzw2w3dk4anpxntunc77v6qrua0f7');
    await element(by.id('scanQrBackdoorOkButton')).tap();

    if (process.env.TRAVIS) await sleep(5000);
    try {
      await element(by.id('CreateTransactionButton')).tap();
    } catch (_) {}
    // created. verifying:
    await yo('TransactionValue');
    await yo('PayjoinSwitch');
    await element(by.id('TransactionDetailsButton')).tap();
    txhex = await extractTextFromElementById('TxhexInput');
    transaction = bitcoin.Transaction.fromHex(txhex);
    assert.strictEqual(bitcoin.address.fromOutputScript(transaction.outs[0].script), 'bc1qnapskphjnwzw2w3dk4anpxntunc77v6qrua0f7');
    assert.notEqual(transaction.outs[0].value, 110000000); // check that it is 1.1 USD, not 1 BTC
    assert.ok(transaction.outs[0].value < 10000); // 1.1 USD ~ 0,00001964 sats in march 2021

    // now, testing units switching, and then creating tx with SATS:

    await device.pressBack();
    await device.pressBack();
    await element(by.id('changeAmountUnitButton')).tap(); // switched to BTC
    await element(by.id('BitcoinAmountInput')).replaceText('0.00015');
    await element(by.id('changeAmountUnitButton')).tap(); // switched to sats
    assert.strictEqual(await extractTextFromElementById('BitcoinAmountInput'), '15000');
    await element(by.id('changeAmountUnitButton')).tap(); // switched to FIAT
    await element(by.id('changeAmountUnitButton')).tap(); // switched to BTC
    assert.strictEqual(await extractTextFromElementById('BitcoinAmountInput'), '0.00015');
    await element(by.id('changeAmountUnitButton')).tap(); // switched to sats
    await element(by.id('BitcoinAmountInput')).replaceText('50000');

    if (process.env.TRAVIS) await sleep(5000);
    try {
      await element(by.id('CreateTransactionButton')).tap();
    } catch (_) {}
    // created. verifying:
    await yo('TransactionValue');
    await element(by.id('TransactionDetailsButton')).tap();
    txhex = await extractTextFromElementById('TxhexInput');
    transaction = bitcoin.Transaction.fromHex(txhex);
    assert.strictEqual(transaction.outs.length, 2);
    assert.strictEqual(transaction.outs[0].value, 50000);

    // now, testing send many feature

    await device.pressBack();
    await device.pressBack();
    // we already have one output, lest add another two
    await element(by.id('advancedOptionsMenuButton')).tap();
    await element(by.id('AddRecipient')).tap();
    await yo('Transaction1'); // adding a recipient autoscrolls it to the last one
    await element(by.id('AddressInput').withAncestor(by.id('Transaction1'))).replaceText('bc1q063ctu6jhe5k4v8ka99qac8rcm2tzjjnuktyrl');
    await element(by.id('BitcoinAmountInput').withAncestor(by.id('Transaction1'))).typeText('0.0002\n');

    await element(by.id('advancedOptionsMenuButton')).tap();
    await element(by.id('AddRecipient')).tap();
    await yo('Transaction2'); // adding a recipient autoscrolls it to the last one

    // remove last output, check if second output is shown
    await element(by.id('advancedOptionsMenuButton')).tap();
    await element(by.id('RemoveRecipient')).tap();
    await yo('Transaction1');

    // adding it again
    await element(by.id('advancedOptionsMenuButton')).tap();
    await element(by.id('AddRecipient')).tap();
    await yo('Transaction2'); // adding a recipient autoscrolls it to the last one
    await element(by.id('AddressInput').withAncestor(by.id('Transaction2'))).replaceText('bc1q063ctu6jhe5k4v8ka99qac8rcm2tzjjnuktyrl');
    await element(by.id('BitcoinAmountInput').withAncestor(by.id('Transaction2'))).typeText('0.0003\n');

    // remove second output
    await element(by.id('Transaction2')).swipe('right', 'fast', NaN, 0.2);
    await element(by.id('advancedOptionsMenuButton')).tap();
    await element(by.id('RemoveRecipient')).tap();

    // creating and verifying. tx should have 3 outputs
    if (process.env.TRAVIS) await sleep(5000);
    try {
      await element(by.id('CreateTransactionButton')).tap();
    } catch (_) {}

    await element(by.id('TransactionDetailsButton')).tap();
    txhex = await extractTextFromElementById('TxhexInput');
    transaction = bitcoin.Transaction.fromHex(txhex);
    assert.strictEqual(transaction.outs.length, 3);
    assert.strictEqual(bitcoin.address.fromOutputScript(transaction.outs[0].script), 'bc1qnapskphjnwzw2w3dk4anpxntunc77v6qrua0f7');
    assert.strictEqual(transaction.outs[0].value, 50000);
    assert.strictEqual(bitcoin.address.fromOutputScript(transaction.outs[1].script), 'bc1q063ctu6jhe5k4v8ka99qac8rcm2tzjjnuktyrl');
    assert.strictEqual(transaction.outs[1].value, 30000);

    // now, testing sendMAX feature:

    await device.pressBack();
    await device.pressBack();
    await device.pressBack(); // go back to wallet tx list to reset the form
    await element(by.id('SendButton')).tap();

    // set fee rate
    await element(by.id('chooseFee')).tap();
    await element(by.id('feeCustom')).tap();
    await element(by.type('android.widget.EditText')).typeText(feeRate + '');
    await element(by.text('OK')).tap();

    // first send MAX output
    await element(by.id('AddressInput')).replaceText('bc1qnapskphjnwzw2w3dk4anpxntunc77v6qrua0f7');
    await element(by.id('BitcoinAmountInput')).typeText('0.0001\n');
    await element(by.id('advancedOptionsMenuButton')).tap();
    await element(by.id('sendMaxButton')).tap();
    await element(by.text('OK')).tap();

    if (process.env.TRAVIS) await sleep(5000);
    try {
      await element(by.id('CreateTransactionButton')).tap();
    } catch (_) {}
    // created. verifying:
    await yo('TransactionDetailsButton');
    await element(by.id('TransactionDetailsButton')).tap();
    txhex = await extractTextFromElementById('TxhexInput');
    transaction = bitcoin.Transaction.fromHex(txhex);
    assert.strictEqual(transaction.outs.length, 1, 'should be single output, no change');
    assert.ok(transaction.outs[0].value > 100000);

    // add second output with amount
    await device.pressBack();
    await device.pressBack();
    await element(by.id('advancedOptionsMenuButton')).tap();
    await element(by.id('AddRecipient')).tap();
    await yo('Transaction1');
    await element(by.id('AddressInput').withAncestor(by.id('Transaction1'))).replaceText('bc1q063ctu6jhe5k4v8ka99qac8rcm2tzjjnuktyrl');
    await element(by.id('BitcoinAmountInput').withAncestor(by.id('Transaction1'))).typeText('0.0001\n');

    if (process.env.TRAVIS) await sleep(5000);
    try {
      await element(by.id('CreateTransactionButton')).tap();
    } catch (_) {}
    // created. verifying:
    await yo('TransactionDetailsButton');
    await element(by.id('TransactionDetailsButton')).tap();
    txhex = await extractTextFromElementById('TxhexInput');
    transaction = bitcoin.Transaction.fromHex(txhex);
    assert.strictEqual(transaction.outs.length, 2, 'should be single output, no change');
    assert.strictEqual(bitcoin.address.fromOutputScript(transaction.outs[0].script), 'bc1qnapskphjnwzw2w3dk4anpxntunc77v6qrua0f7');
    assert.ok(transaction.outs[0].value > 50000);
    assert.strictEqual(bitcoin.address.fromOutputScript(transaction.outs[1].script), 'bc1q063ctu6jhe5k4v8ka99qac8rcm2tzjjnuktyrl');
    assert.strictEqual(transaction.outs[1].value, 10000);

    // now, testing cosign psbt:

    await device.pressBack();
    await device.pressBack();
    await device.pressBack();
    await element(by.id('SendButton')).tap();
    await element(by.id('advancedOptionsMenuButton')).tap();
    await element(by.id('PsbtSign')).tap();

    // tapping 5 times invisible button is a backdoor:
    for (let c = 0; c <= 5; c++) {
      await element(by.id('ScanQrBackdoorButton')).tap();
      await sleep(1000);
    }
    // 1 input, 2 outputs. wallet can fully sign this tx
    const psbt =
      'cHNidP8BAFICAAAAAXYa7FEQBAQ2X0B48aHHKKgzkVuHfQ2yCOi3v9RR0IqlAQAAAAAAAACAAegDAAAAAAAAFgAUSnH40G+jiJfreeRb36cs641KFm8AAAAAAAEBH5YVAAAAAAAAFgAUTKHjDm4OJQSbvy9uzyLYi5i5XIoiBgMQcGrP5TIMrdvb73yB4WnZvkPzKr1EzJXJYBHWmlPJZRgAAAAAVAAAgAAAAIAAAACAAQAAAD4AAAAAAA==';
    await element(by.id('scanQrBackdoorInput')).replaceText(psbt);
    await element(by.id('scanQrBackdoorOkButton')).tap();

    // this is fully-signed tx, "this is tx hex" help text should appear
    await yo('DynamicCode');
    await device.pressBack();
    await device.pressBack();

    // let's test wallet details screens
    await element(by.id('WalletDetails')).tap();

    // rename test
    await element(by.id('WalletNameInput')).replaceText('testname\n');
    await element(by.id('Save')).tap();
    await sup('OK');
    await element(by.text('OK')).tap();
    await expect(element(by.id('WalletLabel'))).toHaveText('testname');
    await element(by.id('WalletDetails')).tap();

    // wallet export
    await element(by.id('WalletDetailsScroll')).swipe('up', 'fast', 1);
    await element(by.id('WalletExport')).tap();
    await element(by.id('WalletExportScroll')).swipe('up', 'fast', 1);
    await expect(element(by.id('Secret'))).toHaveText(process.env.HD_MNEMONIC_BIP84);
    await device.pressBack();

    // XPUB
    await element(by.id('WalletDetailsScroll')).swipe('up', 'fast', 1);
    await element(by.id('XPub')).tap();
    await expect(element(by.id('BlueCopyTextToClipboard'))).toBeVisible();
    await device.pressBack();

    // Delete
    await device.pressBack();
    await device.pressBack();
    await helperDeleteWallet('testname', '105526');

    process.env.TRAVIS && require('fs').writeFileSync(lockFile, '1');
  });

  /**
   * test plan:
   * 1. import wallet
   * 2. wallet -> send -> import transaction (scan QR)
   * 3. provide unsigned psbt from coldcard (UR)
   * 4. on psbtWithHardwareWallet, tap scanQr
   * 5. provide fully signed psbt (UR)
   * 6. verify that we can see broadcast button and camera backdorr button is NOT visible
   */
  it('can import zpub as watch-only, import psbt, and then scan signed psbt', async () => {
    const lockFile = '/tmp/travislock.' + hashIt(jasmine.currentTest.fullName);
    if (process.env.TRAVIS) {
      if (require('fs').existsSync(lockFile))
        return console.warn('skipping', JSON.stringify(jasmine.currentTest.fullName), 'as it previously passed on Travis');
    }
    await helperImportWallet(
      'zpub6rDWXE4wbwefeCrHWehXJheXnti5F9PbpamDUeB5eFbqaY89x3jq86JADBuXpnJnSvRVwqkaTnyMaZERUg4BpxD9V4tSZfKeYh1ozPdL1xK',
      'Imported Watch-only',
      '0 BTC', // it used to be 0.00030666 till someone stole it from git history kek
    );

    await element(by.id('ReceiveButton')).tap();
    try {
      // in case emulator has no google services and doesnt support pushes
      // we just dont show this popup
      await element(by.text(`No, and don’t ask me again`)).tap();
    } catch (_) {}
    await expect(element(by.id('BitcoinAddressQRCodeContainer'))).toBeVisible();
    await expect(element(by.text('bc1qtc9zquvq7lgq87kzsgltvv4etwm9uxphfkvkay'))).toBeVisible();
    await element(by.id('SetCustomAmountButton')).tap();
    await element(by.id('BitcoinAmountInput')).replaceText('1');
    await element(by.id('CustomAmountDescription')).typeText('Test');
    await element(by.id('CustomAmountSaveButton')).tap();
    await sup('1 BTC');
    await sup('Test');
    await expect(element(by.id('BitcoinAddressQRCodeContainer'))).toBeVisible();

    await expect(element(by.text('bitcoin:bc1qtc9zquvq7lgq87kzsgltvv4etwm9uxphfkvkay?amount=1&label=Test'))).toBeVisible();
    await device.pressBack();

    await element(by.id('SendButton')).tap();
    await element(by.text('OK')).tap();

    await element(by.id('advancedOptionsMenuButton')).tap();
    await element(by.id('ImportQrTransactionButton')).tap(); // opens camera

    const unsignedPsbt =
      'ur:bytes/tzahqumzwnlszqzjqgqqqqqp6uu247pvcz6zld9p77ghlnl753q8fgygggzv9ugjxsmggyy5gqcqqqqqqqq0llllluqepssqqqqqqqqqzcqpfkxmzh6ud2yrvcl37uyy9yswr2z4mx276qqqqqqqqqgpragvxqqqqqqqqqqkqq2tgxjzwa0000egemyzygsv92j2zdwvg5ejypszwe3qctjvrwul6t2ts7yhk8e5takxwzey2z70kdnykwd43jsptrzps95d6cp4gqqqsqqqqqyqqqqqpqqqqqqqqpqqqqqqqqq0vr0lj';
    const signedPsbt =
      'ur: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';

    // tapping 5 times invisible button is a backdoor:
    for (let c = 0; c <= 5; c++) {
      await element(by.id('ScanQrBackdoorButton')).tap();
      await sleep(1000);
    }

    await element(by.id('scanQrBackdoorInput')).replaceText(unsignedPsbt);
    await element(by.id('scanQrBackdoorOkButton')).tap();

    // now lets test scanning back QR with UR PSBT. this should lead straight to broadcast dialog

    await element(by.id('PsbtWithHardwareScrollView')).swipe('up', 'fast', 1); // in case emu screen is small and it doesnt fit
    await element(by.id('PsbtTxScanButton')).tap(); // opening camera

    // tapping 5 times invisible button is a backdoor:
    for (let c = 0; c <= 5; c++) {
      await element(by.id('ScanQrBackdoorButton')).tap();
      await sleep(1000);
    }

    await element(by.id('scanQrBackdoorInput')).replaceText(signedPsbt);
    await element(by.id('scanQrBackdoorOkButton')).tap();
    await expect(element(by.id('ScanQrBackdoorButton'))).toBeNotVisible();
    await yo('PsbtWithHardwareWalletBroadcastTransactionButton');

    await device.pressBack();
    await device.pressBack();
    await device.pressBack();
    await helperDeleteWallet('Imported Watch-only');

    process.env.TRAVIS && require('fs').writeFileSync(lockFile, '1');
  });

  it('should handle URL successfully', async () => {
    const lockFile = '/tmp/travislock.' + hashIt(jasmine.currentTest.fullName);
    if (process.env.TRAVIS) {
      if (require('fs').existsSync(lockFile))
        return console.warn('skipping', JSON.stringify(jasmine.currentTest.fullName), 'as it previously passed on Travis');
    }
    if (!process.env.HD_MNEMONIC_BIP84) {
      console.error('process.env.HD_MNEMONIC_BIP84 not set, skipped');
      return;
    }

    await helperImportWallet(process.env.HD_MNEMONIC_BIP84, 'Imported HD SegWit (BIP84 Bech32 Native)', '0.00105526 BTC');

    await device.launchApp({
      newInstance: true,
      url: 'bitcoin:BC1QH6TF004TY7Z7UN2V5NTU4MKF630545GVHS45U7\\?amount=0.0001\\&label=Yo',
    });

    // setting fee rate:
    const feeRate = 2;
    await element(by.id('chooseFee')).tap();
    await element(by.id('feeCustom')).tap();
    await element(by.type('android.widget.EditText')).typeText(feeRate + '');
    await element(by.text('OK')).tap();

    if (process.env.TRAVIS) await sleep(5000);
    try {
      await element(by.id('CreateTransactionButton')).tap();
    } catch (_) {}

    // created. verifying:
    await yo('TransactionValue');
    expect(element(by.id('TransactionValue'))).toHaveText('0.0001');
    expect(element(by.id('TransactionAddress'))).toHaveText('BC1QH6TF004TY7Z7UN2V5NTU4MKF630545GVHS45U7');

    await device.pressBack();
    await device.pressBack();
    await helperDeleteWallet('Imported HD SegWit (BIP84 Bech32 Native)', '105526');

    process.env.TRAVIS && require('fs').writeFileSync(lockFile, '1');
  });

  it('can import multisig setup from UR (ver1) QRs (2 frames), and create tx', async () => {
    const lockFile = '/tmp/travislock.' + hashIt(jasmine.currentTest.fullName);
    if (process.env.TRAVIS) {
      if (require('fs').existsSync(lockFile))
        return console.warn('skipping', JSON.stringify(jasmine.currentTest.fullName), 'as it previously passed on Travis');
    }

    await yo('WalletsList');
    await element(by.id('WalletsList')).swipe('left', 'fast', 1); // in case emu screen is small and it doesnt fit
    // going to Import Wallet screen and importing mnemonic
    await element(by.id('CreateAWallet')).tap();
    await element(by.id('ImportWallet')).tap();
    await element(by.id('ScanImport')).tap();

    const urs = [
      'UR:BYTES/1OF2/J8RX04F2WJ9SSY577U30R55ELM4LUCJCXJVJTD60SYV9A286Q0AQH7QXL6/TYQMJGEQGFK82E2HV9KXCET5YPXH2MR5D9EKJEEQWDJHGATSYPNXJMR9PG3JQARGD9EJQENFD3JJQCM0DE6XZ6TWWVSX7MNV0YS8QATZD35KXGRTV4UHXGRPDEJZQ6TNYPEKZEN9YP6X7Z3RYPJXJUM5WF5KYAT5V5SXZMT0DENJQCM0WD5KWMN9WFES5GC2FESK6EF6YPXH2MR5D9EKJEEQ2ESH2MR5PFGX7MRFVDUN5GPJYPHKVGPJPFZX2UNFWESHG6T0DCAZQMF0XSUZWTESYUHNQFE0XGNS53N0WFKKZAP6YPGRY46NFQ9Q53PNXAZ5Z3PC8QAZQKNSW43RWDRFDFCXV6Z92F9YU6NGGD94S5NNWP2XGNZ22C6K2M69D4F4YKNYFPC5GANS',
      'UR:BYTES/2OF2/J8RX04F2WJ9SSY577U30R55ELM4LUCJCXJVJTD60SYV9A286Q0AQH7QXL6/8944VARY2EZHJ62CDVMHQKRC2F3XVKN629M8X3ZXWPNYGJZ9FPT8G4NS0Q6YG73EG3R42468DCE9S6E40FRN2AF5X4G4GNTNT9FNYAN2DA5YU5G2PGCNVWZYGSMRQVE6YPD8QATZXU6K6S298PZK57TC2DAX772SD4RKUEP4G5MY672YXAQ5C36WDEJ8YA2HWC6NY7RS0F5K6KJ3FD6KKAMKG4N9S4ZGW9K5SWRWVF3XXDNRVDGR2APJV9XNXMTHWVEHQJ6E2DHYKUZTF4XHJARYVF8Y2KJX24UYK7N6W3V5VNFC2PHQ5ZSJDYL5T',
    ];

    await waitFor(element(by.id('UrProgressBar'))).toBeNotVisible();

    for (const ur of urs) {
      // tapping 5 times invisible button is a backdoor:
      for (let c = 0; c <= 5; c++) {
        await element(by.id('ScanQrBackdoorButton')).tap();
      }
      await element(by.id('scanQrBackdoorInput')).replaceText(ur);
      await element(by.id('scanQrBackdoorOkButton')).tap();
      await waitFor(element(by.id('UrProgressBar'))).toBeVisible();
    }

    if (process.env.TRAVIS) await sleep(60000);
    await sup('OK', 3 * 61000); // waiting for wallet import
    await element(by.text('OK')).tap();
    // ok, wallet imported

    // lets go inside wallet
    const expectedWalletLabel = 'Multisig Vault';
    await element(by.text(expectedWalletLabel)).tap();

    // sending...

    await element(by.id('SendButton')).tap();

    await element(by.id('AddressInput')).replaceText('bc1q063ctu6jhe5k4v8ka99qac8rcm2tzjjnuktyrl');
    await element(by.id('BitcoinAmountInput')).typeText('0.0005\n');

    // setting fee rate:
    const feeRate = 1;
    await element(by.id('chooseFee')).tap();
    await element(by.id('feeCustom')).tap();
    await element(by.type('android.widget.EditText')).typeText(feeRate + '');
    await element(by.text('OK')).tap();

    if (process.env.TRAVIS) await sleep(5000);
    try {
      await element(by.id('CreateTransactionButton')).tap();
    } catch (_) {}

    await waitFor(element(by.id('ItemUnsigned'))).toBeVisible();
    await waitFor(element(by.id('ItemSigned'))).toBeNotVisible(); // not a single green checkmark

    await element(by.id('ProvideSignature')).tap();
    await element(by.id('CosignedScanOrImportFile')).tap();

    const ursSignedByColdcard = [
      'UR: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',
      'UR: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',
      'UR:BYTES/3OF3/AZ7UYD5YRTJGJHEPJC045UPYV6SRFURJALR0968WCXHP0ZZ9HK0SV8YW98/WFPVPPLYFLP4RNFHATVGXQQQPQQQQQQGQQQQQZQQYQQQSQQSQQQQQQQQQQPZQGP58TZJMYXW6CMWVYSS9SDMUDESRMG26CXMKUKC7KVG09AAHVC2ARQUZ6XAVQESQQQGQQQQQZQQQQQQSQPQQQYQQYQQQQQQQQQQQQQH8NSKY',
    ];

    for (const ur of ursSignedByColdcard) {
      // tapping 5 times invisible button is a backdoor:
      for (let c = 0; c <= 5; c++) {
        await element(by.id('ScanQrBackdoorButton')).tap();
      }
      await element(by.id('scanQrBackdoorInput')).replaceText(ur);
      await element(by.id('scanQrBackdoorOkButton')).tap();
      await waitFor(element(by.id('UrProgressBar'))).toBeVisible();
    }

    await waitFor(element(by.id('ItemSigned'))).toBeVisible(); // one green checkmark visible

    await element(by.id('ProvideSignature')).tap();
    await element(by.id('CosignedScanOrImportFile')).tap();

    const urSignedByColdcardAndCobo = [
      'UR: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',
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
      'UR:BYTES/3OF3/CL7WUCY4FVHCWAA0TRRKJ0A5CA3JZTYP2L9PS2ZMPUG59ARUW2US09Z73L/PQQZQQQGQQGQQQQQQQQQQQQQGND7FE',
    ];

    for (const ur of urSignedByColdcardAndCobo) {
      // tapping 5 times invisible button is a backdoor:
      for (let c = 0; c <= 5; c++) {
        await element(by.id('ScanQrBackdoorButton')).tap();
      }
      await element(by.id('scanQrBackdoorInput')).replaceText(ur);
      await element(by.id('scanQrBackdoorOkButton')).tap();
      await waitFor(element(by.id('UrProgressBar'))).toBeVisible();
    }

    await waitFor(element(by.id('ExportSignedPsbt'))).toBeVisible();

    await element(by.id('PsbtMultisigConfirmButton')).tap();

    // created. verifying:
    await yo('TransactionValue');
    expect(element(by.id('TransactionValue'))).toHaveText('0.0005');
    await element(by.id('TransactionDetailsButton')).tap();

    const txhex = await extractTextFromElementById('TxhexInput');

    const transaction = bitcoin.Transaction.fromHex(txhex);
    assert.ok(transaction.ins.length === 1 || transaction.ins.length === 2); // depending on current fees gona use either 1 or 2 inputs
    assert.strictEqual(transaction.outs.length, 2);
    assert.strictEqual(bitcoin.address.fromOutputScript(transaction.outs[0].script), 'bc1q063ctu6jhe5k4v8ka99qac8rcm2tzjjnuktyrl'); // to address
    assert.strictEqual(transaction.outs[0].value, 50000);

    await device.pressBack();
    await device.pressBack();
    await device.pressBack();
    await device.pressBack();
    await helperDeleteWallet(expectedWalletLabel, '108880');

    process.env.TRAVIS && require('fs').writeFileSync(lockFile, '1');
  });

  it('can manage UTXO', async () => {
    const lockFile = '/tmp/travislock.' + hashIt(jasmine.currentTest.fullName);
    if (process.env.TRAVIS) {
      if (require('fs').existsSync(lockFile))
        return console.warn('skipping', JSON.stringify(jasmine.currentTest.fullName), 'as it previously passed on Travis');
    }

    await helperImportWallet(process.env.HD_MNEMONIC_BIP84, 'Imported HD SegWit (BIP84 Bech32 Native)', '0.00105526 BTC');

    // refresh transactions
    await element(by.id('refreshTransactions')).tap();
    await waitFor(element(by.id('NoTxBuyBitcoin')))
      .not.toExist()
      .withTimeout(300 * 1000);

    // change note of 0.001 tx output
    await element(by.text('0.001')).atIndex(0).tap();
    await element(by.text('Details')).tap();
    await expect(element(by.text('49944e90fe917952e36b1967cdbc1139e60c89b4800b91258bf2345a77a8b888'))).toBeVisible();
    await element(by.type('android.widget.EditText')).typeText('test1');
    await element(by.text('Save')).tap();
    await element(by.text('OK')).tap();

    // back to wallet screen
    await device.pressBack();
    await device.pressBack();

    // open CoinControl
    await element(by.id('SendButton')).tap();
    await element(by.id('advancedOptionsMenuButton')).tap();
    await element(by.id('CoinControl')).tap();
    await waitFor(element(by.id('Loading'))) // wait for outputs to be loaded
      .not.toExist()
      .withTimeout(300 * 1000);
    await expect(element(by.text('test1')).atIndex(0)).toBeVisible();

    // change output note and freeze it
    await element(by.text('test1')).atIndex(0).tap();
    await element(by.id('OutputMemo')).replaceText('test2');
    await element(by.type('android.widget.CompoundButton')).tap(); // freeze switch
    await device.pressBack(); // closing modal
    await expect(element(by.text('test2')).atIndex(0)).toBeVisible();
    await expect(element(by.text('Freeze')).atIndex(0)).toBeVisible();

    // use frozen output to create tx using "Use coin" feature
    await element(by.text('test2')).atIndex(0).tap();
    await element(by.id('UseCoin')).tap();
    await element(by.id('AddressInput')).replaceText('bc1q063ctu6jhe5k4v8ka99qac8rcm2tzjjnuktyrl');
    await element(by.id('advancedOptionsMenuButton')).tap();
    await element(by.id('sendMaxButton')).tap();
    await element(by.text('OK')).tap();
    // setting fee rate:
    await element(by.id('chooseFee')).tap();
    await element(by.id('feeCustom')).tap();
    await element(by.type('android.widget.EditText')).typeText('1');
    await element(by.text('OK')).tap();
    if (process.env.TRAVIS) await sleep(5000);
    await element(by.id('CreateTransactionButton')).tap();
    await element(by.id('TransactionDetailsButton')).tap();

    const txhex1 = await extractTextFromElementById('TxhexInput');
    const tx1 = bitcoin.Transaction.fromHex(txhex1);
    assert.strictEqual(tx1.outs.length, 1);
    assert.strictEqual(tx1.outs[0].script.toString('hex'), '00147ea385f352be696ab0f6e94a0ee0e3c6d4b14a53');
    assert.strictEqual(tx1.outs[0].value, 99888);
    assert.strictEqual(tx1.ins.length, 1);
    assert.strictEqual(tx1.ins[0].hash.toString('hex'), '88b8a8775a34f28b25910b80b4890ce63911bccd67196be3527991fe904e9449');
    assert.strictEqual(tx1.ins[0].index, 0);

    // back to wallet screen
    await device.pressBack();
    await device.pressBack();
    await device.pressBack();

    // create tx with unfrozen input
    await element(by.id('SendButton')).tap();
    await element(by.id('AddressInput')).replaceText('bc1q063ctu6jhe5k4v8ka99qac8rcm2tzjjnuktyrl');
    await element(by.id('advancedOptionsMenuButton')).tap();
    await element(by.id('sendMaxButton')).tap();
    await element(by.text('OK')).tap();
    // setting fee rate:
    await element(by.id('chooseFee')).tap();
    await element(by.id('feeCustom')).tap();
    await element(by.type('android.widget.EditText')).typeText('1');
    await element(by.text('OK')).tap();
    if (process.env.TRAVIS) await sleep(5000);
    await element(by.id('CreateTransactionButton')).tap();
    await element(by.id('TransactionDetailsButton')).tap();

    const txhex2 = await extractTextFromElementById('TxhexInput');
    const tx2 = bitcoin.Transaction.fromHex(txhex2);

    assert.strictEqual(tx2.outs.length, 1);
    assert.strictEqual(tx2.outs[0].script.toString('hex'), '00147ea385f352be696ab0f6e94a0ee0e3c6d4b14a53');
    assert.strictEqual(tx2.outs[0].value, 5414);
    assert.strictEqual(tx2.ins.length, 1);
    assert.strictEqual(tx2.ins[0].hash.toString('hex'), '761aec51100404365f4078f1a1c728a833915b877d0db208e8b7bfd451d08aa5');
    assert.strictEqual(tx2.ins[0].index, 1);

    await device.pressBack();
    await device.pressBack();
    await device.pressBack();
    await device.pressBack();
    await helperDeleteWallet('Imported HD SegWit (BIP84 Bech32 Native)', '105526');

    process.env.TRAVIS && require('fs').writeFileSync(lockFile, '1');
  });

  it('can import HD wallet with a passphrase', async () => {
    const lockFile = '/tmp/travislock.' + hashIt(jasmine.currentTest.fullName);
    if (process.env.TRAVIS) {
      if (require('fs').existsSync(lockFile))
        return console.warn('skipping', JSON.stringify(jasmine.currentTest.fullName), 'as it previously passed on Travis');
    }

    await helperImportWallet(
      'abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon about',
      'Imported HD SegWit (BIP84 Bech32 Native)',
      '0 BTC',
      'BlueWallet',
    );

    await element(by.id('ReceiveButton')).tap();
    try {
      // in case emulator has no google services and doesnt support pushes
      // we just dont show this popup
      await element(by.text(`No, and don’t ask me again`)).tap();
    } catch (_) {}
    await yo('BitcoinAddressQRCodeContainer');

    // check if imported wallet has correct recive address
    await expect(element(by.id('AddressValue'))).toHaveText('bc1qe8q660wfj6uvqg7zyn86jcsux36natklqnfdrc');

    await device.pressBack();
    await device.pressBack();
    await helperDeleteWallet('Imported HD SegWit (BIP84 Bech32 Native)');

    process.env.TRAVIS && require('fs').writeFileSync(lockFile, '1');
  });
});

async function sleep(ms) {
  return new Promise(resolve => setTimeout(resolve, ms));
}

async function yo(id, timeout = 33000) {
  return waitFor(element(by.id(id)))
    .toBeVisible()
    .withTimeout(timeout);
}

async function sup(text, timeout = 33000) {
  return waitFor(element(by.text(text)))
    .toBeVisible()
    .withTimeout(timeout);
}

async function helperCreateWallet(walletName) {
  await element(by.id('WalletsList')).swipe('left', 'fast', 1); // in case emu screen is small and it doesnt fit
  await element(by.id('CreateAWallet')).tap();
  await element(by.id('WalletNameInput')).replaceText(walletName || 'cr34t3d');
  await yo('ActivateBitcoinButton');
  await element(by.id('ActivateBitcoinButton')).tap();
  await element(by.id('ActivateBitcoinButton')).tap();
  // why tf we need 2 taps for it to work..? mystery
  await element(by.id('Create')).tap();

  await yo('PleaseBackupScrollView');
  await element(by.id('PleaseBackupScrollView')).swipe('up', 'fast', 1); // in case emu screen is small and it doesnt fit

  await yo('PleasebackupOk');
  await element(by.id('PleasebackupOk')).tap();
  await expect(element(by.id('WalletsList'))).toBeVisible();
  await element(by.id('WalletsList')).swipe('right', 'fast', 1); // in case emu screen is small and it doesnt fit
  await expect(element(by.id(walletName || 'cr34t3d'))).toBeVisible();
}

async function helperImportWallet(importText, expectedWalletLabel, expectedBalance, passphrase) {
  await yo('WalletsList');

  await element(by.id('WalletsList')).swipe('left', 'fast', 1); // in case emu screen is small and it doesnt fit
  // going to Import Wallet screen and importing mnemonic
  await element(by.id('CreateAWallet')).tap();
  await element(by.id('ImportWallet')).tap();
  await element(by.id('MnemonicInput')).replaceText(importText);

  let retries = 0;
  while (true) {
    retries = retries + 1;
    try {
      await element(by.id('DoImport')).tap();
    } catch (_) {}

    let passphraseAsked = false;
    try {
      await sup('Passphrase', 3000);
      passphraseAsked = true;
    } catch (e) {} // passphrase not asked

    if (passphraseAsked) {
      // enter passphrase if needed
      if (passphrase) {
        await element(by.type('android.widget.EditText')).typeText(passphrase);
      }
      await element(by.text('OK')).tap();
    }

    if (process.env.TRAVIS) await sleep(60000);

    // waiting for import result
    await sup('OK', 3 * 61000);
    await element(by.text('OK')).tap();

    try {
      await expect(element(by.id('ImportError'))).not.toBeVisible();
      break; // import succeded
    } catch (e) {
      // exit after two failed attempts
      if (retries === 2) break;
      // restart import
      await element(by.id('ImportError')).tap();
      await element(by.text('Try again')).tap();
    }
  }

  // lets go inside wallet
  await element(by.text(expectedWalletLabel)).tap();
  // label might change in the future
  expect(element(by.id('WalletBalance'))).toHaveText(expectedBalance);
}

function hashIt(s) {
  return createHash('sha256').update(s).digest().toString('hex');
}

/**
 * a hack to extract element text. warning, this might break in future
 * @see https://github.com/wix/detox/issues/445
 *
 * @returns {Promise<string>}
 */
async function extractTextFromElementById(id) {
  try {
    await expect(element(by.id(id))).toHaveText('_unfoundable_text');
  } catch (error) {
    if (device.getPlatform() === 'ios') {
      const start = `accessibilityLabel was "`;
      const end = '" on ';
      const errorMessage = error.message.toString();
      const [, restMessage] = errorMessage.split(start);
      const [label] = restMessage.split(end);
      return label;
    } else {
      const start = 'Got:';
      const end = '}"';
      const errorMessage = error.message.toString();
      const [, restMessage] = errorMessage.split(start);
      const [label] = restMessage.split(end);
      const value = label.split(',');
      const combineText = value.find(i => i.includes('text=')).trim();
      const [, elementText] = combineText.split('=');
      return elementText;
    }
  }
}

const expectToBeVisible = async id => {
  try {
    await expect(element(by.id(id))).toBeVisible();
    return true;
  } catch (e) {
    return false;
  }
};

async function helperDeleteWallet(label, remainingBalanceSat = false) {
  await element(by.text(label)).tap();
  await element(by.id('WalletDetails')).tap();
  await element(by.id('WalletDetailsScroll')).swipe('up', 'fast', 1);
  await element(by.id('DeleteButton')).tap();
  await sup('Yes, delete');
  await element(by.text('Yes, delete')).tap();
  if (remainingBalanceSat) {
    await element(by.type('android.widget.EditText')).typeText(remainingBalanceSat);
    await element(by.text('OK')).tap();
  }
  await expect(element(by.id('NoTransactionsMessage'))).toBeVisible();
}