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index.js
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index.js
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const path = require('path')
const timeout = seconds =>
new Promise(resolve => setTimeout(resolve, seconds * 1000))
module.exports = {
launch: async (puppeteer, options = {}) => {
const {
args,
...rest
} = options
const METAMASK_VERSION = options.metamaskVersion || '5.3.0'
const METAMASK_PATH =
options.metamaskPath ||
path.join(__dirname, `metamask/${METAMASK_VERSION}`)
return puppeteer.launch({
headless: false,
args: [
`--disable-extensions-except=${METAMASK_PATH}`,
`--load-extension=${METAMASK_PATH}`,
...(args || [])
],
...rest
})
},
getMetamask: async (browser, options = {
seed: undefined,
password: undefined,
extensionId: undefined,
extensionUrl: undefined
}) => {
const metamaskPage = await closeHomeScreen(browser);
// const metamaskPage = await getMetamaskPage(browser, options.extensionId, options.extensionUrl)
await confirmWelcomeScreen(metamaskPage);
await importAccount(
metamaskPage,
options.seed || 'already turtle birth enroll since owner keep patch skirt drift any dinner',
options.password || 'password1234'
);
await acceptTermsOfUse(metamaskPage);
let signedIn = true
closeNotificationPage(browser);
return {
lock: async () => {
if (!signedIn) {
throw new Error(
"You can't sign out because you haven't signed in yet"
)
}
await metamaskPage.bringToFront()
const accountSwitcher = await metamaskPage.$('.identicon')
await accountSwitcher.click()
await timeout(0.1)
const signoutButton = await metamaskPage.$('.account-menu__logout-button')
await signoutButton.click()
await waitForSignInScreen(metamaskPage)
signedIn = false;
},
unlock: async (password = 'password1234') => {
if (signedIn) {
throw new Error(
"You can't sign in because you are already signed in"
)
}
await metamaskPage.bringToFront()
const passwordBox = await metamaskPage.$('#password')
await passwordBox.type(password)
const login = await metamaskPage.$('.unlock-page button')
await login.click()
await waitForUnlockedScreen(metamaskPage)
signedIn = true;
},
addNetwork: async (url) => {
await metamaskPage.bringToFront()
const networkSwitcher = await metamaskPage.$('.network-indicator')
await networkSwitcher.click()
await timeout(0.1)
const networkIndex = await metamaskPage.evaluate(network => {
const elements = document.querySelectorAll('li.dropdown-menu-item')
for (let i = 0; i < elements.length; i++) {
const element = elements[i]
if (
element.innerText.toLowerCase().includes(network.toLowerCase())
) {
return i
}
}
return elements.length - 1
}, 'Custom RPC')
const networkButton = (await metamaskPage.$$('li.dropdown-menu-item'))[
networkIndex
]
await networkButton.click()
await timeout(0.1)
const newRPCInput = await metamaskPage.$('input#new-rpc')
await newRPCInput.type(url)
const saveButton = await metamaskPage.$('button.settings-tab__rpc-save-button')
await saveButton.click()
await timeout(0.5)
const prevButton = await metamaskPage.$('img.app-header__metafox-logo')
await prevButton.click()
await waitForUnlockedScreen(metamaskPage)
},
importPK: async (pk) => {
await metamaskPage.bringToFront()
const accountSwitcher = await metamaskPage.$('.identicon')
await accountSwitcher.click()
await timeout(0.1)
const addAccount = await metamaskPage.$('.account-menu > div:nth-child(7)')
await addAccount.click()
await timeout(0.1)
const PKInput = await metamaskPage.$('input#private-key-box')
await PKInput.type(pk)
const importButton = await metamaskPage.$('button.btn-primary')
await importButton.click()
await timeout(0.1)
await waitForUnlockedScreen(metamaskPage);
},
switchAccount: async (accountNumber) => {
await metamaskPage.bringToFront()
const accountSwitcher = await metamaskPage.$('.identicon')
await accountSwitcher.click()
await timeout(0.1)
const account = await metamaskPage.$(`.account-menu__accounts > div:nth-child(${accountNumber})`)
await account.click()
await timeout(0.1)
await waitForUnlockedScreen(metamaskPage);
},
switchNetwork: async (network = 'main') => {
await metamaskPage.bringToFront()
await metamaskPage.waitFor('.network-indicator')
const networkSwitcher = await metamaskPage.$('.network-indicator')
await networkSwitcher.click()
await timeout(0.1)
const networkIndex = await metamaskPage.evaluate(network => {
const elements = document.querySelectorAll('li.dropdown-menu-item')
for (let i = 0; i < elements.length; i++) {
const element = elements[i]
if (
element.innerText.toLowerCase().includes(network.toLowerCase())
) {
return i
}
}
return 0
}, network)
const networkButton = (await metamaskPage.$$('li.dropdown-menu-item'))[
networkIndex
]
await networkButton.click()
await waitForEthereum(metamaskPage)
},
confirmTransaction: async (options) => {
await metamaskPage.bringToFront()
if (!signedIn) {
throw new Error("You haven't signed in yet")
}
await metamaskPage.reload()
if (options) {
const editButtonSelector = 'div.confirm-detail-row__header-text--edit'
await metamaskPage.waitFor(editButtonSelector);
const editButton = await metamaskPage.$(editButtonSelector);
await editButton.click();
await timeout(0.1)
const tabSelector = 'li.page-container__tab:nth-child(2)'
await metamaskPage.waitFor(tabSelector);
const tab = await metamaskPage.$(tabSelector)
await tab.click();
await timeout(0.1)
if (options.gas) {
const gasSelector = 'div.advanced-tab__gas-edit-row:nth-child(1) input'
await metamaskPage.waitFor(gasSelector);
const gas = await metamaskPage.$(gasSelector)
await metamaskPage.evaluate(() => (document.querySelectorAll('div.advanced-tab__gas-edit-row:nth-child(1) input')[0].value = ''))
await gas.type(options.gas.toString());
}
if (options.gasLimit) {
const gasLimitSelector = 'div.advanced-tab__gas-edit-row:nth-child(2) input'
await metamaskPage.waitFor(gasLimitSelector);
const gasLimit = await metamaskPage.$(gasLimitSelector)
await metamaskPage.evaluate(() => (document.querySelectorAll('div.advanced-tab__gas-edit-row:nth-child(2) input')[0].value = ''))
await gasLimit.type(options.gasLimit.toString());
}
await timeout(0.1)
const saveSelector = '#app-content > div > span > div.modal > div > div > div > div.page-container__bottom > div.page-container__footer > header > button'
await metamaskPage.waitFor(saveSelector);
const saveButton = await metamaskPage.$(saveSelector)
await saveButton.click();
await timeout(0.1)
}
const confirmButtonSelector = 'button.button.btn-confirm.btn--large.page-container__footer-button'
await metamaskPage.waitFor(confirmButtonSelector)
const confirmButton = await metamaskPage.$(confirmButtonSelector)
await confirmButton.click()
await waitForUnlockedScreen(metamaskPage)
},
sign: async () => {
await metamaskPage.bringToFront()
if (!signedIn) {
throw new Error("You haven't signed in yet")
}
await metamaskPage.reload()
const confirmButtonSelector = '.request-signature__footer button.btn-primary'
await metamaskPage.waitFor(confirmButtonSelector);
const button = await metamaskPage.$(confirmButtonSelector);
await button.click()
await waitForUnlockedScreen(metamaskPage);
}
}
}
}
async function closeHomeScreen(browser) {
return new Promise((resolve, reject) => {
browser.on('targetcreated', async target => {
if (target.url() === 'chrome-extension://nkbihfbeogaeaoehlefnkodbefgpgknn/home.html') {
try {
const page = await target.page()
resolve(page);
} catch (e) {
reject(e);
}
}
})
})
}
async function closeNotificationPage(browser) {
browser.on('targetcreated', async target => {
if (target.url() === 'chrome-extension://nkbihfbeogaeaoehlefnkodbefgpgknn/notification.html') {
try {
const page = await target.page()
await page.close();
} catch { }
}
})
}
async function getMetamaskPage(browser, extensionId, extensionUrl) {
const EXTENSION_ID = extensionId || 'nkbihfbeogaeaoehlefnkodbefgpgknn'
const EXTENSION_URL = extensionUrl || `chrome-extension://${EXTENSION_ID}/popup.html`
const metamaskPage = await browser.newPage()
await metamaskPage.goto(EXTENSION_URL)
}
async function confirmWelcomeScreen(metamaskPage) {
await metamaskPage.waitFor('.welcome-screen button');
const continueButton = await metamaskPage.$('.welcome-screen button');
await continueButton.click();
}
async function importAccount(metamaskPage, seed, password) {
await metamaskPage.waitFor('.first-time-flow a');
const importLink = await metamaskPage.$('.first-time-flow a');
await importLink.click();
await metamaskPage.waitFor('.import-account textarea');
const seedPhraseInput = await metamaskPage.$('.import-account textarea');
await seedPhraseInput.type(seed);
await metamaskPage.waitFor('#password');
const passwordInput = await metamaskPage.$('#password');
await passwordInput.type(password);
await metamaskPage.waitFor('#confirm-password');
const passwordConfirmInput = await metamaskPage.$('#confirm-password');
await passwordConfirmInput.type(password);
await metamaskPage.waitFor('.import-account button');
const restoreButton = await metamaskPage.$('.import-account button');
await restoreButton.click();
}
async function acceptTermsOfUse(metamaskPage) {
for (let i = 0; i < 3; i++) {
await waitForOneTermOfUse(metamaskPage);
}
}
async function waitForOneTermOfUse(metamaskPage) {
await metamaskPage.waitFor('.tou .tou__body');
const termsOfUse = await metamaskPage.$('.tou .tou__body');
await metamaskPage.evaluate(termsOfUse => {
termsOfUse.scrollTo(0, termsOfUse.scrollHeight);
return termsOfUse.scrollHeight;
}, termsOfUse)
await metamaskPage.waitFor(
() => document.querySelector('.tou button:disabled') == null
)
const touButton = await metamaskPage.$('.tou button');
await touButton.click();
}
async function waitForUnlockedScreen(metamaskPage) {
await metamaskPage.waitForSelector('.main-container-wrapper')
}
async function waitForSignInScreen(metamaskPage) {
await metamaskPage.waitForSelector('#metamask-mascot-container')
}
async function waitForEthereum(metamaskPage) {
await Promise.race([
waitUntilStartConnectingToEthereum(metamaskPage),
timeout(1)
])
return Promise.race([waitUntilConnectedToEthereum(metamaskPage), timeout(10)])
}
async function waitUntilStartConnectingToEthereum(metamaskPage) {
await metamaskPage.waitFor(() => {
return !!document.querySelector('img[src="images/loading.svg"]')
})
}
async function waitUntilConnectedToEthereum(metamaskPage) {
await metamaskPage.waitFor(() => {
return document.querySelector('img[src="images/loading.svg"]') == null
})
}