Make chainId available in the metamask-inpage-provider

app/scripts/lib/enums.js

@@ -9,6 +9,12 @@ const PLATFORM_EDGE = 'Edge'
 const PLATFORM_FIREFOX = 'Firefox'
 const PLATFORM_OPERA = 'Opera'
 
+const MAINNET_CHAIN_ID = '0x1'
+const ROPSTEN_CHAIN_ID = '0x3'
+const RINKEBY_CHAIN_ID = '0x4'
+const KOVAN_CHAIN_ID = '0x2a'
+const GOERLI_CHAIN_ID = '0x5'
+
 module.exports = {
   ENVIRONMENT_TYPE_POPUP,
   ENVIRONMENT_TYPE_NOTIFICATION,
@@ -19,4 +25,9 @@ module.exports = {
   PLATFORM_EDGE,
   PLATFORM_FIREFOX,
   PLATFORM_OPERA,
+  MAINNET_CHAIN_ID,
+  ROPSTEN_CHAIN_ID,
+  RINKEBY_CHAIN_ID,
+  KOVAN_CHAIN_ID,
+  GOERLI_CHAIN_ID,
 }

app/scripts/lib/select-chain-id.js

@@ -0,0 +1,22 @@
+const {
+  MAINNET_CHAIN_ID,
+  ROPSTEN_CHAIN_ID,
+  RINKEBY_CHAIN_ID,
+  KOVAN_CHAIN_ID,
+  GOERLI_CHAIN_ID,
+} = require('./enums')
+
+const standardNetworkId = {
+  '1': MAINNET_CHAIN_ID,
+  '3': ROPSTEN_CHAIN_ID,
+  '4': RINKEBY_CHAIN_ID,
+  '42': KOVAN_CHAIN_ID,
+  '5': GOERLI_CHAIN_ID,
+}
+
+function selectChainId (metamaskState) {
+  const { network, provider: { chaindId } } = metamaskState
+  return standardNetworkId[network] || `0x${parseInt(chaindId, 10).toString(16)}`
+}
+
+module.exports = selectChainId

app/scripts/metamask-controller.js

@@ -41,6 +41,7 @@ const ProviderApprovalController = require('./controllers/provider-approval')
 const nodeify = require('./lib/nodeify')
 const accountImporter = require('./account-import-strategies')
 const getBuyEthUrl = require('./lib/buy-eth-url')
+const selectChainId = require('./lib/select-chain-id')
 const {Mutex} = require('await-semaphore')
 const {version} = require('../manifest.json')
 const {BN} = require('ethereumjs-util')
@@ -360,7 +361,7 @@ module.exports = class MetamaskController extends EventEmitter {
       publicConfigStore.putState(publicState)
     }
 
-    function selectPublicState ({ isUnlocked, selectedAddress, network, completedOnboarding }) {
+    function selectPublicState ({ isUnlocked, selectedAddress, network, completedOnboarding, provider }) {
       const isEnabled = checkIsEnabled()
       const isReady = isUnlocked && isEnabled
       const result = {
@@ -369,6 +370,7 @@ module.exports = class MetamaskController extends EventEmitter {
         selectedAddress: isReady ? selectedAddress : undefined,
         networkVersion: network,
         onboardingcomplete: completedOnboarding,
+        chainId: selectChainId({ network, provider }),
       }
       return result
     }

package.json

@@ -113,7 +113,7 @@
     "lodash.shuffle": "^4.2.0",
     "loglevel": "^1.4.1",
     "luxon": "^1.8.2",
-    "metamask-inpage-provider": "^2.0.3",
+    "metamask-inpage-provider": "^2.1.0",
     "metamask-logo": "^2.1.4",
     "mkdirp": "^0.5.1",
     "multihashes": "^0.4.12",

test/e2e/contract-test/index.html

@@ -31,6 +31,12 @@
       <button id="approveTokensWithoutGas">Approve Tokens Without Gas</button>
     </div>
   </div>
+  <div style="display: flex; flex-flow: column;">
+    <div>Network: <div id="network"></div></div>
+    <div>ChainId: <div id="chainId"></div></div>
+    <div>Accounts: <div id="accounts"></div></div>
+    <div style="display: flex;">
+  </div>
 
 <script src="contract.js"></script>
 </body>

test/e2e/ethereum-on.spec.js

@@ -0,0 +1,229 @@
+const path = require('path')
+const assert = require('assert')
+const webdriver = require('selenium-webdriver')
+const { By, until } = webdriver
+const {
+  delay,
+  buildChromeWebDriver,
+  buildFirefoxWebdriver,
+  installWebExt,
+  getExtensionIdChrome,
+  getExtensionIdFirefox,
+} = require('./func')
+const {
+  checkBrowserForConsoleErrors,
+  closeAllWindowHandlesExcept,
+  findElement,
+  findElements,
+  openNewPage,
+  verboseReportOnFailure,
+  waitUntilXWindowHandles,
+  switchToWindowWithTitle,
+} = require('./helpers')
+const fetchMockResponses = require('./fetch-mocks.js')
+
+describe('MetaMask', function () {
+  let extensionId
+  let driver
+  let publicAddress
+
+  const tinyDelayMs = 200
+  const regularDelayMs = tinyDelayMs * 2
+  const largeDelayMs = regularDelayMs * 2
+
+  this.timeout(0)
+  this.bail(true)
+
+  before(async function () {
+    let extensionUrl
+    switch (process.env.SELENIUM_BROWSER) {
+      case 'chrome': {
+        const extPath = path.resolve('dist/chrome')
+        driver = buildChromeWebDriver(extPath)
+        extensionId = await getExtensionIdChrome(driver)
+        await delay(largeDelayMs)
+        extensionUrl = `chrome-extension://${extensionId}/home.html`
+        break
+      }
+      case 'firefox': {
+        const extPath = path.resolve('dist/firefox')
+        driver = buildFirefoxWebdriver()
+        await installWebExt(driver, extPath)
+        await delay(largeDelayMs)
+        extensionId = await getExtensionIdFirefox(driver)
+        extensionUrl = `moz-extension://${extensionId}/home.html`
+        break
+      }
+    }
+    // Depending on the state of the application built into the above directory (extPath) and the value of
+    // METAMASK_DEBUG we will see different post-install behaviour and possibly some extra windows. Here we
+    // are closing any extraneous windows to reset us to a single window before continuing.
+    const [tab1] = await driver.getAllWindowHandles()
+    await closeAllWindowHandlesExcept(driver, [tab1])
+    await driver.switchTo().window(tab1)
+    await driver.get(extensionUrl)
+  })
+
+  beforeEach(async function () {
+    await driver.executeScript(
+      'window.origFetch = window.fetch.bind(window);' +
+      'window.fetch = ' +
+      '(...args) => { ' +
+      'if (args[0] === "https://ethgasstation.info/json/ethgasAPI.json") { return ' +
+      'Promise.resolve({ json: () => Promise.resolve(JSON.parse(\'' + fetchMockResponses.ethGasBasic + '\')) }); } else if ' +
+      '(args[0] === "https://ethgasstation.info/json/predictTable.json") { return ' +
+      'Promise.resolve({ json: () => Promise.resolve(JSON.parse(\'' + fetchMockResponses.ethGasPredictTable + '\')) }); } else if ' +
+      '(args[0].match(/chromeextensionmm/)) { return ' +
+      'Promise.resolve({ json: () => Promise.resolve(JSON.parse(\'' + fetchMockResponses.metametrics + '\')) }); } else if ' +
+      '(args[0] === "https://dev.blockscale.net/api/gasexpress.json") { return ' +
+      'Promise.resolve({ json: () => Promise.resolve(JSON.parse(\'' + fetchMockResponses.gasExpress + '\')) }); } ' +
+      'return window.origFetch(...args); };' +
+      'function cancelInfuraRequest(requestDetails) {' +
+        'console.log("Canceling: " + requestDetails.url);' +
+        'return {' +
+          'cancel: true' +
+        '};' +
+     ' }' +
+      'window.chrome && window.chrome.webRequest && window.chrome.webRequest.onBeforeRequest.addListener(' +
+        'cancelInfuraRequest,' +
+        '{urls: ["https://*.infura.io/*"]},' +
+        '["blocking"]' +
+      ');'
+    )
+  })
+
+  afterEach(async function () {
+    if (process.env.SELENIUM_BROWSER === 'chrome') {
+      const errors = await checkBrowserForConsoleErrors(driver)
+      if (errors.length) {
+        const errorReports = errors.map(err => err.message)
+        const errorMessage = `Errors found in browser console:\n${errorReports.join('\n')}`
+        console.error(new Error(errorMessage))
+      }
+    }
+    if (this.currentTest.state === 'failed') {
+      await verboseReportOnFailure(driver, this.currentTest)
+    }
+  })
+
+  after(async function () {
+    await driver.quit()
+  })
+
+  describe('Going through the first time flow, but skipping the seed phrase challenge', () => {
+    it('clicks the continue button on the welcome screen', async () => {
+      await findElement(driver, By.css('.welcome-page__header'))
+      const welcomeScreenBtn = await findElement(driver, By.css('.first-time-flow__button'))
+      welcomeScreenBtn.click()
+      await delay(largeDelayMs)
+    })
+
+    it('clicks the "Create New Wallet" option', async () => {
+      const customRpcButton = await findElement(driver, By.xpath(`//button[contains(text(), 'Create a Wallet')]`))
+      customRpcButton.click()
+      await delay(largeDelayMs)
+    })
+
+    it('clicks the "No thanks" option on the metametrics opt-in screen', async () => {
+      const optOutButton = await findElement(driver, By.css('.btn-default'))
+      optOutButton.click()
+      await delay(largeDelayMs)
+    })
+
+    it('accepts a secure password', async () => {
+      const passwordBox = await findElement(driver, By.css('.first-time-flow__form #create-password'))
+      const passwordBoxConfirm = await findElement(driver, By.css('.first-time-flow__form #confirm-password'))
+      const button = await findElement(driver, By.css('.first-time-flow__form button'))
+
+      await passwordBox.sendKeys('correct horse battery staple')
+      await passwordBoxConfirm.sendKeys('correct horse battery staple')
+
+      const tosCheckBox = await findElement(driver, By.css('.first-time-flow__checkbox'))
+      await tosCheckBox.click()
+
+      await button.click()
+      await delay(largeDelayMs)
+    })
+
+    it('skips the seed phrase challenge', async () => {
+      const buttons = await findElements(driver, By.css('.first-time-flow__button'))
+      await buttons[0].click()
+      await delay(regularDelayMs)
+
+      const detailsButton = await findElement(driver, By.css('.account-details__details-button'))
+      await detailsButton.click()
+      await delay(regularDelayMs)
+    })
+
+    it('gets the current accounts address', async () => {
+      const addressInput = await findElement(driver, By.css('.qr-ellip-address'))
+      publicAddress = await addressInput.getAttribute('value')
+      const accountModal = await driver.findElement(By.css('span .modal'))
+
+      await driver.executeScript("document.querySelector('.account-modal-close').click()")
+
+      await driver.wait(until.stalenessOf(accountModal))
+      await delay(regularDelayMs)
+    })
+
+  })
+
+  describe('provider listening for events', () => {
+    let extension
+    let popup
+    let dapp
+    it('switches to a dapp', async () => {
+      await openNewPage(driver, 'http://127.0.0.1:8080/')
+      await delay(regularDelayMs)
+
+      await waitUntilXWindowHandles(driver, 3)
+      const windowHandles = await driver.getAllWindowHandles()
+
+      extension = windowHandles[0]
+      popup = await switchToWindowWithTitle(driver, 'MetaMask Notification', windowHandles)
+      dapp = windowHandles.find(handle => handle !== extension && handle !== popup)
+
+      await delay(regularDelayMs)
+      const approveButton = await findElement(driver, By.xpath(`//button[contains(text(), 'Connect')]`))
+      await approveButton.click()
+
+      await driver.switchTo().window(dapp)
+      await delay(regularDelayMs)
+    })
+
+    it('has not set the network within the dapp', async () => {
+      const networkDiv = await findElement(driver, By.css('#network'))
+      assert.equal(await networkDiv.getText(), '')
+    })
+
+    it('changes the network', async () => {
+      await driver.switchTo().window(extension)
+
+      const networkDropdown = await findElement(driver, By.css('.network-name'))
+      await networkDropdown.click()
+      await delay(regularDelayMs)
+
+      const ropstenButton = await findElement(driver, By.xpath(`//span[contains(text(), 'Ropsten')]`))
+      await ropstenButton.click()
+      await delay(largeDelayMs)
+    })
+
+    it('sets the network div within the dapp', async () => {
+      await driver.switchTo().window(dapp)
+      const networkDiv = await findElement(driver, By.css('#network'))
+      assert.equal(await networkDiv.getText(), '3')
+    })
+
+    it('sets the chainId div within the dapp', async () => {
+      await driver.switchTo().window(dapp)
+      const chainIdDiv = await findElement(driver, By.css('#chainId'))
+      assert.equal(await chainIdDiv.getText(), '0x3')
+    })
+
+    it('sets the account div within the dapp', async () => {
+      await driver.switchTo().window(dapp)
+      const accountsDiv = await findElement(driver, By.css('#accounts'))
+      assert.equal(await accountsDiv.getText(), publicAddress.toLowerCase())
+    })
+  })
+})

test/e2e/run-all.sh

@@ -46,6 +46,14 @@ concurrently --kill-others \
   'sleep 5 && mocha test/e2e/send-edit.spec'
 
 
+  concurrently --kill-others \
+    --names 'ganache,dapp,e2e' \
+    --prefix '[{time}][{name}]' \
+    --success first \
+    'yarn ganache:start' \
+    'yarn dapp' \
+    'sleep 5 && mocha test/e2e/ethereum-on.spec'
+
 export GANACHE_ARGS="${BASE_GANACHE_ARGS} --deterministic --account=0x250F458997A364988956409A164BA4E16F0F99F916ACDD73ADCD3A1DE30CF8D1,0  --account=0x53CB0AB5226EEBF4D872113D98332C1555DC304443BEE1CF759D15798D3C55A9,25000000000000000000"
 concurrently --kill-others \
   --names 'ganache,sendwithprivatedapp,e2e' \

yarn.lock

@@ -14591,10 +14591,10 @@ mersenne-twister@^1.0.1:
   resolved "https://registry.yarnpkg.com/mersenne-twister/-/mersenne-twister-1.1.0.tgz#f916618ee43d7179efcf641bec4531eb9670978a"
   integrity sha1-+RZhjuQ9cXnvz2Qb7EUx65Zwl4o=
 
-metamask-inpage-provider@^2.0.3:
-  version "2.0.3"
-  resolved "https://registry.yarnpkg.com/metamask-inpage-provider/-/metamask-inpage-provider-2.0.3.tgz#8a8ccf73d830ec76b3c746265d5977edf36a5c2f"
-  integrity sha512-8/c77tyM56RgKIEUDTenORVmX2xy5a5isOWVRqE8w8u584WTrf56iWewzFpU2KxbHDF3Drx+jR9tII3Qwx83kg==
+metamask-inpage-provider@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/metamask-inpage-provider/-/metamask-inpage-provider-2.1.0.tgz#69e23d63893a5e2bb7a09a6ec96c6f1500588673"
+  integrity sha512-1+m8Mp8/RM9JMTvDHAMt6a7aqwigRMLvU/VKKmHQFi7AZaagG8Fe4wBe8HdAMysRF3NHV/qOMw0UwP3w9m1Vaw==
   dependencies:
     json-rpc-engine "^5.1.3"
     json-rpc-middleware-stream "^2.1.1"