[wallet]Run geth in an infura-like mode

packages/mobile/.env

@@ -1,6 +1,8 @@
 ENVIRONMENT=local
 DEFAULT_TESTNET=integration
+# -1 == ZeroSync, 5 == Ultralight, see src/geth/consts.ts for more info
+DEFAULT_SYNC_MODE=5
 DEV_SETTINGS_ACTIVE_INITIALLY=true
 FIREBASE_ENABLED=true
 SECRETS_KEY=debug
-SHOW_TESTNET_BANNER=true
+SHOW_TESTNET_BANNER=true

packages/mobile/index.js

@@ -1,5 +1,5 @@
 import 'node-libs-react-native/globals'
-import 'src/btoa'
+import 'src/missingGlobals'
 import { AppRegistry } from 'react-native'
 import Logger from 'src/utils/Logger'
 import App from 'src/app/App'

packages/mobile/src/account/Account.test.tsx

@@ -12,6 +12,10 @@ import { createMockStore } from 'test/utils'
 
 jest.useFakeTimers()
 
+jest.mock('src/web3/contracts', () => ({
+  isZeroSyncMode: jest.fn().mockReturnValueOnce(false),
+}))
+
 describe('Account', () => {
   it('renders correctly', () => {
     const tree = renderer.create(

packages/mobile/src/account/DollarEducation.test.tsx

@@ -5,6 +5,10 @@ import * as renderer from 'react-test-renderer'
 import DollarEducation from 'src/account/DollarEducation'
 import { createMockStore } from 'test/utils'
 
+jest.mock('src/web3/contracts', () => ({
+  isZeroSyncMode: jest.fn().mockReturnValueOnce(false),
+}))
+
 describe('DollarEducation', () => {
   it('renders correctly', () => {
     const tree = renderer.create(

packages/mobile/src/account/EditProfile.test.tsx

@@ -6,6 +6,10 @@ import { setName } from 'src/account/actions'
 import { EditProfile } from 'src/account/EditProfile'
 import { createMockStore, getMockI18nProps } from 'test/utils'
 
+jest.mock('src/web3/contracts', () => ({
+  isZeroSyncMode: jest.fn().mockReturnValueOnce(false),
+}))
+
 it('renders the EditProfile Component', () => {
   const store = createMockStore()
   const tree = renderer.create(

packages/mobile/src/account/Education.test.tsx

@@ -26,6 +26,10 @@ const educationProps = {
   onFinish: jest.fn(),
 }
 
+jest.mock('src/web3/contracts', () => ({
+  isZeroSyncMode: jest.fn().mockReturnValueOnce(false),
+}))
+
 describe('Education', () => {
   it('renders correctly', () => {
     const tree = renderer.create(

packages/mobile/src/account/GoldEducation.test.tsx

@@ -5,6 +5,10 @@ import * as renderer from 'react-test-renderer'
 import GoldEducation from 'src/account/GoldEducation'
 import { createMockStore } from 'test/utils'
 
+jest.mock('src/web3/contracts', () => ({
+  isZeroSyncMode: jest.fn().mockReturnValueOnce(false),
+}))
+
 describe('GoldEducation', () => {
   it('renders correctly', () => {
     const tree = renderer.create(

packages/mobile/src/account/Invite.test.tsx

@@ -6,6 +6,10 @@ import Invite from 'src/account/Invite'
 import { createMockStore } from 'test/utils'
 import { mockE164NumberToInvitableRecipient, mockNavigation } from 'test/values'
 
+jest.mock('src/web3/contracts', () => ({
+  isZeroSyncMode: jest.fn().mockReturnValueOnce(false),
+}))
+
 describe('Invite', () => {
   it('renders correctly with recipients', () => {
     const tree = renderer.create(

packages/mobile/src/account/InviteReview.test.tsx

@@ -18,6 +18,15 @@ jest.mock('src/identity/verification', () => {
   return { isPhoneVerified: jest.fn(() => true) }
 })
 
+jest.mock('src/web3/contracts', () => ({
+  web3: {
+    utils: {
+      fromWei: jest.fn((x: any) => x / 1e18),
+    },
+  },
+  isZeroSyncMode: jest.fn().mockReturnValueOnce(false),
+}))
+
 describe('InviteReview', () => {
   it('renders correctly', () => {
     const tree = renderer.create(

packages/mobile/src/account/PhotosEducation.test.tsx

@@ -5,6 +5,10 @@ import * as renderer from 'react-test-renderer'
 import PhotosEducation from 'src/account/PhotosEducation'
 import { createMockStore } from 'test/utils'
 
+jest.mock('src/web3/contracts', () => ({
+  isZeroSyncMode: jest.fn().mockReturnValueOnce(false),
+}))
+
 describe('PhotosEducation', () => {
   it('renders correctly', () => {
     const tree = renderer.create(

packages/mobile/src/account/Profile.test.tsx

@@ -9,6 +9,10 @@ import { Screens } from 'src/navigator/Screens'
 import { createMockStore } from 'test/utils'
 import { mockNavigation } from 'test/values'
 
+jest.mock('src/web3/contracts', () => ({
+  isZeroSyncMode: jest.fn().mockReturnValueOnce(false),
+}))
+
 function profileFactory() {
   return (
     <Provider store={createMockStore({})}>

packages/mobile/src/app/App.test.tsx

@@ -25,6 +25,10 @@ jest.mock('src/redux/sagas', () => {
   }
 })
 
+jest.mock('src/web3/contracts', () => ({
+  isZeroSyncMode: jest.fn().mockReturnValueOnce(false),
+}))
+
 describe('App', () => {
   it('renders an ApolloProvider', () => {
     const wrapper = shallow(<App />)

packages/mobile/src/app/Debug.test.tsx

@@ -5,6 +5,10 @@ import * as renderer from 'react-test-renderer'
 import Debug from 'src/app/Debug'
 import { createMockStore } from 'test/utils'
 
+jest.mock('src/web3/contracts', () => ({
+  isZeroSyncMode: jest.fn().mockReturnValueOnce(false),
+}))
+
 describe('Debug', () => {
   it('renders correctly', () => {
     const tree = renderer.create(

packages/mobile/src/app/saga.test.ts

@@ -19,6 +19,15 @@ jest.mock('src/firebase/firebase', () => ({
   getVersionInfo: jest.fn(async () => ({ deprecated: false })),
 }))
 
+jest.mock('src/web3/contracts', () => ({
+  web3: {
+    utils: {
+      fromWei: jest.fn((x: any) => x / 1e18),
+    },
+  },
+  isZeroSyncMode: jest.fn().mockReturnValueOnce(false),
+}))
+
 const { navigate } = require('src/navigator/NavigationService')
 const { getVersionInfo } = require('src/firebase/firebase')
 

packages/mobile/src/components/AccountOverview.test.tsx

@@ -8,6 +8,10 @@ import { getMockI18nProps } from 'test/utils'
 const SAMPLE_BALANCE = '55.00001'
 const exchangeRatePair: ExchangeRatePair = { goldMaker: '0.11', dollarMaker: '10' }
 
+jest.mock('src/web3/contracts', () => ({
+  isZeroSyncMode: jest.fn().mockReturnValueOnce(false),
+}))
+
 it('renders correctly when ready', () => {
   const tree = renderer.create(
     <AccountOverview

packages/mobile/src/config.ts

@@ -53,6 +53,7 @@ export const FIREBASE_ENABLED = stringToBoolean(Config.FIREBASE_ENABLED || 'true
 // react-native-config is undefined.
 export const DEFAULT_TESTNET: Testnets = Config.DEFAULT_TESTNET || 'integration'
 export const BLOCKCHAIN_API_URL = config[DEFAULT_TESTNET].blockchainApiUrl
+export const DEFAULT_INFURA_URL = `https://${DEFAULT_TESTNET}-infura.celo-testnet.org/`
 
 export const SEGMENT_API_KEY = keyOrUndefined(secretsFile, Config.SECRETS_KEY, 'SEGMENT_API_KEY')
 export const FIREBASE_WEB_KEY = keyOrUndefined(secretsFile, Config.SECRETS_KEY, 'FIREBASE_WEB_KEY')

packages/mobile/src/escrow/EscrowedPaymentLineItem.test.tsx

@@ -4,6 +4,10 @@ import * as renderer from 'react-test-renderer'
 import PaymentRequestNotificationInner from 'src/paymentRequest/PaymentRequestNotificationInner'
 import { mockRecipientWithPhoneNumber } from 'test/values'
 
+jest.mock('src/web3/contracts', () => ({
+  isZeroSyncMode: jest.fn().mockReturnValueOnce(false),
+}))
+
 it('renders correctly', () => {
   const tree = renderer.create(
     <PaymentRequestNotificationInner

packages/mobile/src/escrow/ReclaimPaymentConfirmationCard.test.tsx

@@ -10,6 +10,10 @@ import { mockE164Number, mockRecipient } from 'test/values'
 
 const store = createMockStore()
 
+jest.mock('src/web3/contracts', () => ({
+  isZeroSyncMode: jest.fn().mockReturnValueOnce(false),
+}))
+
 describe('ReclaimPaymentConfirmationCard', () => {
   it('renders correctly for send payment confirmation', () => {
     const tree = renderer.create(

packages/mobile/src/escrow/ReclaimPaymentConfirmationScreen.test.tsx

@@ -12,6 +12,15 @@ const TEST_FEE = new BigNumber(10000000000000000)
 
 jest.mock('src/escrow/saga')
 
+jest.mock('src/web3/contracts', () => ({
+  web3: {
+    utils: {
+      fromWei: jest.fn((x: any) => x / 1e18),
+    },
+  },
+  isZeroSyncMode: jest.fn().mockReturnValueOnce(false),
+}))
+
 const mockedGetReclaimEscrowFee = getReclaimEscrowFee as jest.Mock
 
 const store = createMockStore()

packages/mobile/src/escrow/saga.ts

@@ -34,7 +34,7 @@ import { TransactionStatus, TransactionTypes } from 'src/transactions/reducer'
 import { sendAndMonitorTransaction } from 'src/transactions/saga'
 import { sendTransaction } from 'src/transactions/send'
 import Logger from 'src/utils/Logger'
-import { web3 } from 'src/web3/contracts'
+import { addLocalAccount, isZeroSyncMode, web3 } from 'src/web3/contracts'
 import { getConnectedAccount, getConnectedUnlockedAccount } from 'src/web3/saga'
 
 const TAG = 'escrow/saga'
@@ -105,14 +105,19 @@ function* withdrawFromEscrow(action: EndVerificationAction) {
 
     const escrow: Escrow = yield call(getEscrowContract, web3)
     const account: string = yield call(getConnectedUnlockedAccount)
-    const inviteCode: string = yield select((state: RootState) => state.invite.redeemedInviteCode)
+    const tmpWalletPrivateKey: string = yield select(
+      (state: RootState) => state.invite.redeemedInviteCode
+    )
 
-    if (!isValidPrivateKey(inviteCode)) {
+    if (!isValidPrivateKey(tmpWalletPrivateKey)) {
       Logger.warn(TAG + '@withdrawFromEscrow', 'Invalid private key, skipping escrow withdrawal')
       return
     }
 
-    const tempWalletAddress = web3.eth.accounts.privateKeyToAccount(inviteCode).address
+    const tempWalletAddress = web3.eth.accounts.privateKeyToAccount(tmpWalletPrivateKey).address
+    if (isZeroSyncMode()) {
+      addLocalAccount(web3, tmpWalletPrivateKey)
+    }
     Logger.debug(TAG + '@withdrawFromEscrow', 'Added temp account to wallet: ' + tempWalletAddress)
 
     // Check if there is a payment associated with this invite code
@@ -123,13 +128,22 @@ function* withdrawFromEscrow(action: EndVerificationAction) {
       return
     }
 
-    // Unlock temporary account
-    yield call(web3.eth.personal.unlockAccount, tempWalletAddress, TEMP_PW, 600)
+    if (isZeroSyncMode()) {
+      Logger.info(
+        TAG + '@withdrawFromEscrow',
+        'Geth free mode is on, no need to unlock the temporary account'
+      )
+    } else {
+      // Unlock temporary account
+      yield call(web3.eth.personal.unlockAccount, tempWalletAddress, TEMP_PW, 600)
+    }
 
     const msgHash = web3.utils.soliditySha3({ type: 'address', value: account })
 
+    Logger.debug(TAG + '@withdrawFromEscrow', `Signing message hash ${msgHash}`)
     // using the temporary wallet account to sign a message. The message is the current account.
-    let signature = yield web3.eth.sign(msgHash, tempWalletAddress)
+    let signature: string = (yield web3.eth.accounts.sign(msgHash, tmpWalletPrivateKey)).signature
+    Logger.debug(TAG + '@withdrawFromEscrow', `Signed message hash signature is ${signature}`)
     signature = signature.slice(2)
     const r = `0x${signature.slice(0, 64)}`
     const s = `0x${signature.slice(64, 128)}`

packages/mobile/src/exchange/ExchangeTradeScreen.test.tsx

@@ -18,6 +18,10 @@ jest.mock('src/shared/DisconnectBanner', () => ({
   DisconnectBanner: () => null,
 }))
 
+jest.mock('src/web3/contracts', () => ({
+  isZeroSyncMode: jest.fn().mockReturnValueOnce(false),
+}))
+
 const store = createMockStore({
   exchange: {
     exchangeRatePair,

packages/mobile/src/exchange/actions.ts

@@ -27,6 +27,7 @@ import { roundDown } from 'src/utils/formatting'
 import Logger from 'src/utils/Logger'
 import { web3 } from 'src/web3/contracts'
 import { getConnectedAccount, getConnectedUnlockedAccount } from 'src/web3/saga'
+import * as util from 'util'
 
 const TAG = 'exchange/actions'
 const LARGE_DOLLARS_SELL_AMOUNT_IN_WEI = new BigNumber(1000 * 1000000000000000000) // To estimate exchange rate from exchange contract
@@ -233,7 +234,7 @@ export function* exchangeGoldAndStableTokens(action: ExchangeTokensAction) {
       return
     }
     yield call(sendTransaction, approveTx, account, TAG, 'approval')
-    Logger.debug(TAG, `Transaction approved: ${approveTx}`)
+    Logger.debug(TAG, `Transaction approved: ${util.inspect(approveTx.arguments)}`)
 
     const tx = exchangeContract.methods.exchange(
       convertedMakerAmount.toString(),

packages/mobile/src/fees/saga.test.ts

@@ -18,6 +18,16 @@ jest.mock('@celo/walletkit', () => ({
   },
 }))
 
+jest.mock('src/web3/contracts', () => ({
+  web3: {
+    utils: {
+      fromWei: jest.fn((x: any) => x / 1e18),
+      toWei: jest.fn((x: any) => x * 1e18),
+    },
+  },
+  isZeroSyncMode: jest.fn().mockReturnValueOnce(false),
+}))
+
 describe(estimateFeeSaga, () => {
   beforeAll(() => {
     jest.useRealTimers()

packages/mobile/src/geth/consts.ts

@@ -1,11 +1,17 @@
 export const WEI_PER_CELO = 1000000000000000000.0
 export const UNLOCK_DURATION = 600
 
-// Valid sync mode values can be seen at https://github.com/celo-org/celo-blockchain/blob/8be27f7c044e35dbf63a42500a79805f1bddcfb8/mobile/geth.go#L43-L47
-// Anything invalid will cause Geth to panic and app to crash.
-export const SYNC_MODE_LIGHT = 3
-// Value of 4 corresponds to a deprecated sync mode.
-export const SYNC_MODE_ULTRALIGHT = 5
+export enum GethSyncMode {
+  // Sync mode to imply no local geth node but an infura-like setup.
+  // This mode is internal to Celo wallet app and won't be propagated to
+  // geth node.
+  ZeroSync = -1,
+  // Valid sync mode values can be seen at https://github.com/celo-org/celo-blockchain/blob/8be27f7c044e35dbf63a42500a79805f1bddcfb8/mobile/geth.go#L43-L47
+  // Anything invalid will cause Geth to panic and app to crash.
+  Light = 3,
+  // Value of 4 corresponds to a deprecated sync mode.
+  Ultralight = 5,
+}
 
 // Re-export from utils for convinience since we use these often
 export {

packages/mobile/src/geth/network-config.ts

@@ -1,30 +1,29 @@
-import { SYNC_MODE_ULTRALIGHT } from 'src/geth/consts'
-import { Testnets } from 'src/web3/testnets'
+import { DEFAULT_SYNC_MODE, Testnets } from 'src/web3/testnets'
 
 export default {
   [Testnets.integration]: {
     nodeDir: `.${Testnets.integration}`,
-    syncMode: SYNC_MODE_ULTRALIGHT,
+    syncMode: DEFAULT_SYNC_MODE,
     blockchainApiUrl: 'https://integration-dot-celo-testnet.appspot.com/',
   },
   [Testnets.alfajoresstaging]: {
     nodeDir: `.${Testnets.alfajoresstaging}`,
-    syncMode: SYNC_MODE_ULTRALIGHT,
+    syncMode: DEFAULT_SYNC_MODE,
     blockchainApiUrl: 'https://alfajoresstaging-dot-celo-testnet.appspot.com/',
   },
   [Testnets.alfajores]: {
     nodeDir: `.${Testnets.alfajores}`,
-    syncMode: SYNC_MODE_ULTRALIGHT,
+    syncMode: DEFAULT_SYNC_MODE,
     blockchainApiUrl: 'https://alfajores-dot-celo-testnet-production.appspot.com/',
   },
   [Testnets.pilot]: {
     nodeDir: `.${Testnets.pilot}`,
-    syncMode: SYNC_MODE_ULTRALIGHT,
+    syncMode: DEFAULT_SYNC_MODE,
     blockchainApiUrl: 'https://pilot-dot-celo-testnet-production.appspot.com/',
   },
   [Testnets.pilotstaging]: {
     nodeDir: `.${Testnets.pilotstaging}`,
-    syncMode: SYNC_MODE_ULTRALIGHT,
+    syncMode: DEFAULT_SYNC_MODE,
     blockchainApiUrl: 'https://pilotstaging-dot-celo-testnet.appspot.com/',
   },
 }