Merge pull request #429 from meriadec/libcore-sync

Libcore synchronisation

package.json

@@ -41,7 +41,7 @@
     "@ledgerhq/hw-app-xrp": "^4.12.0",
     "@ledgerhq/hw-transport": "^4.12.0",
     "@ledgerhq/hw-transport-node-hid": "^4.12.0",
-    "@ledgerhq/ledger-core": "1.4.1",
+    "@ledgerhq/ledger-core": "1.4.3",
     "@ledgerhq/live-common": "2.24.0",
     "axios": "^0.18.0",
     "babel-runtime": "^6.26.0",
@@ -144,6 +144,7 @@
     "flow-typed": "^2.4.0",
     "hard-source-webpack-plugin": "^0.6.0",
     "husky": "^0.14.3",
+    "inquirer": "^6.0.0",
     "jest": "^22.4.3",
     "js-yaml": "^3.10.0",
     "node-loader": "^0.6.0",

scripts/hey.js

@@ -0,0 +1,131 @@
+require('babel-polyfill')
+require('babel-register')
+
+const chalk = require('chalk')
+const inquirer = require('inquirer')
+const path = require('path')
+const TransportNodeHid = require('@ledgerhq/hw-transport-node-hid').default
+
+const { serializeAccounts, encodeAccount, decodeAccount } = require('../src/reducers/accounts')
+const { doSignAndBroadcast } = require('../src/commands/libcoreSignAndBroadcast')
+
+const coreHelper = require('../src/helpers/libcore')
+const withLibcore = require('../src/helpers/withLibcore').default
+
+if (!process.env.LEDGER_LIVE_SQLITE_PATH) {
+  throw new Error('you must define process.env.LEDGER_LIVE_SQLITE_PATH first')
+}
+
+const LOCAL_DIRECTORY_PATH = path.resolve(process.env.LEDGER_LIVE_SQLITE_PATH, '../')
+
+gimmeDeviceAndLibCore(async ({ device, core, njsWalletPool }) => {
+  const raw = require(path.join(LOCAL_DIRECTORY_PATH, 'accounts.json')) // eslint-disable-line import/no-dynamic-require
+  const accounts = serializeAccounts(raw.data)
+  const accountToUse = await chooseAccount('Which account to use?', accounts)
+  await actionLoop({ account: accountToUse, accounts, core, njsWalletPool, device })
+  process.exit(0)
+})
+
+async function actionLoop(props) {
+  try {
+    const { account, accounts, core, njsWalletPool, device } = props
+    const actionToDo = await chooseAction(`What do you want to do with [${account.name}] ?`)
+    if (actionToDo === 'send funds') {
+      const transport = await TransportNodeHid.open(device.path)
+      const accountToReceive = await chooseAccount('To which account?', accounts)
+      const receiveAddress = await getFreshAddress({
+        account: accountToReceive,
+        core,
+        njsWalletPool,
+      })
+      console.log(`the receive address is ${receiveAddress}`)
+      const rawAccount = encodeAccount(account)
+      console.log(`trying to sign and broadcast...`)
+      const rawOp = await doSignAndBroadcast({
+        account: rawAccount,
+        transaction: {
+          amount: 4200000,
+          recipient: receiveAddress,
+          feePerByte: 16,
+          isRBF: false,
+        },
+        deviceId: device.path,
+        core,
+        transport,
+      })
+      console.log(rawOp)
+    } else if (actionToDo === 'sync') {
+      console.log(`\nLaunch sync...\n`)
+      const rawAccount = encodeAccount(account)
+      const syncedAccount = await coreHelper.syncAccount({ rawAccount, core, njsWalletPool })
+      console.log(`\nEnd sync...\n`)
+      console.log(`updated account: `, displayAccount(syncedAccount, 'red'))
+    } else if (actionToDo === 'quit') {
+      return true
+    }
+  } catch (err) {
+    console.log(`x Something went wrong`)
+    console.log(err)
+    process.exit(1)
+  }
+  return actionLoop(props)
+}
+
+async function chooseInList(msg, list, formatItem = i => i) {
+  const choices = list.map(formatItem)
+  const { choice } = await inquirer.prompt([
+    {
+      type: 'list',
+      name: 'choice',
+      message: msg,
+      choices,
+    },
+  ])
+  const index = choices.indexOf(choice)
+  return list[index]
+}
+
+async function chooseAction(msg) {
+  return chooseInList(msg, ['sync', 'send funds', 'quit'])
+}
+
+function chooseAccount(msg, accounts) {
+  return chooseInList(msg, accounts, acc => displayAccount(acc))
+}
+
+async function gimmeDeviceAndLibCore(cb) {
+  withLibcore((core, njsWalletPool) => {
+    TransportNodeHid.listen({
+      error: () => {},
+      complete: () => {},
+      next: async e => {
+        if (!e.device) {
+          return
+        }
+        if (e.type === 'add') {
+          const { device } = e
+          cb({ device, core, njsWalletPool })
+        }
+      },
+    })
+  })
+}
+
+function displayAccount(acc, color = null) {
+  const isRawAccount = typeof acc.lastSyncDate === 'string'
+  if (isRawAccount) {
+    acc = decodeAccount(acc)
+  }
+  const str = `[${acc.name}] ${acc.isSegwit ? '' : '(legacy) '}${acc.unit.code} ${acc.balance} - ${
+    acc.operations.length
+  } txs`
+  return color ? chalk[color](str) : str
+}
+
+async function getFreshAddress({ account, core, njsWalletPool }) {
+  const njsAccount = await coreHelper.getNJSAccount({ account, njsWalletPool })
+  const unsub = await core.syncAccount(njsAccount)
+  unsub()
+  const rawAddresses = await njsAccount.getFreshPublicAddresses()
+  return rawAddresses[0]
+}

src/actions/accounts.js

@@ -67,9 +67,8 @@ export const fetchAccounts: FetchAccounts = () => (dispatch, getState) => {
 export type UpdateAccountWithUpdater = (accountId: string, (Account) => Account) => *
 
 export const updateAccountWithUpdater: UpdateAccountWithUpdater = (accountId, updater) => ({
-  type: 'UPDATE_ACCOUNT',
+  type: 'DB:UPDATE_ACCOUNT',
-  accountId,
+  payload: { accountId, updater },
-  updater,
 })
 
 export type UpdateAccount = ($Shape<Account>) => (Function, Function) => void
@@ -78,9 +77,11 @@ export const updateAccount: UpdateAccount = payload => (dispatch, getState) => {
     settings: { orderAccounts },
   } = getState()
   dispatch({
-    type: 'UPDATE_ACCOUNT',
+    type: 'DB:UPDATE_ACCOUNT',
+    payload: {
       updater: account => ({ ...account, ...payload }),
       accountId: payload.id,
+    },
   })
   dispatch(updateOrderAccounts(orderAccounts))
   // TODO should not be here IMO.. feels wrong for perf, probably better to move in reducer too

src/bridge/LibcoreBridge.js

@@ -4,6 +4,7 @@ import { map } from 'rxjs/operators'
 import { decodeAccount, encodeAccount } from 'reducers/accounts'
 import FeesBitcoinKind from 'components/FeesField/BitcoinKind'
 import libcoreScanAccounts from 'commands/libcoreScanAccounts'
+import libcoreSyncAccount from 'commands/libcoreSyncAccount'
 import libcoreSignAndBroadcast from 'commands/libcoreSignAndBroadcast'
 // import AdvancedOptionsBitcoinKind from 'components/AdvancedOptions/BitcoinKind'
 import type { WalletBridge, EditProps } from './types'
@@ -49,19 +50,34 @@ const LibcoreBridge: WalletBridge<Transaction> = {
       .subscribe(observer)
   },
 
-  synchronize(_initialAccount, _observer) {
+  synchronize(account, { next, complete, error }) {
-    // FIXME TODO: use next(), to actually emit account updates.....
+    // FIXME TODO:
-    // - need to sync the balance
-    // - need to sync block height & block hash
-    // - need to sync operations.
-    // - once all that, need to set lastSyncDate to new Date()
     // - when you implement addPendingOperation you also here need to:
     //   - if there were pendingOperations that are now in operations, remove them as well.
     //   - if there are pendingOperations that is older than a threshold (that depends on blockchain speed typically)
     //     then we probably should trash them out? it's a complex question for UI
+    ;(async () => {
+      try {
+        const rawAccount = encodeAccount(account)
+        const rawSyncedAccount = await libcoreSyncAccount.send({ rawAccount }).toPromise()
+        const syncedAccount = decodeAccount(rawSyncedAccount)
+        next(account => ({
+          ...account,
+          freshAddress: syncedAccount.freshAddress,
+          freshAddressPath: syncedAccount.freshAddressPath,
+          balance: syncedAccount.balance,
+          blockHeight: syncedAccount.blockHeight,
+          operations: syncedAccount.operations, // TODO: is a simple replace enough?
+          lastSyncDate: new Date(),
+        }))
+        complete()
+      } catch (e) {
+        error(e)
+      }
+    })()
     return {
       unsubscribe() {
-        console.warn('LibcoreBridge: sync not implemented')
+        console.warn('LibcoreBridge: unsub sync not implemented')
       },
     }
   },

src/commands/index.js

@@ -16,6 +16,7 @@ import isCurrencyAppOpened from 'commands/isCurrencyAppOpened'
 import libcoreGetVersion from 'commands/libcoreGetVersion'
 import libcoreScanAccounts from 'commands/libcoreScanAccounts'
 import libcoreSignAndBroadcast from 'commands/libcoreSignAndBroadcast'
+import libcoreSyncAccount from 'commands/libcoreSyncAccount'
 import listApps from 'commands/listApps'
 import listenDevices from 'commands/listenDevices'
 import signTransaction from 'commands/signTransaction'
@@ -39,6 +40,7 @@ const all: Array<Command<any, any>> = [
   libcoreGetVersion,
   libcoreScanAccounts,
   libcoreSignAndBroadcast,
+  libcoreSyncAccount,
   listApps,
   listenDevices,
   signTransaction,

src/commands/libcoreGetVersion.js

@@ -1,16 +1,17 @@
 // @flow
 
-import { createCommand, Command } from 'helpers/ipc'
 import { fromPromise } from 'rxjs/observable/fromPromise'
 
+import { createCommand, Command } from 'helpers/ipc'
+import withLibcore from 'helpers/withLibcore'
+
 type Input = void
 
 type Result = { stringVersion: string, intVersion: number }
 
 const cmd: Command<Input, Result> = createCommand('libcoreGetVersion', () =>
   fromPromise(
-    Promise.resolve().then(() => {
+    withLibcore(async ledgerCore => {
-      const ledgerCore = require('init-ledger-core')()
       const core = new ledgerCore.NJSLedgerCore()
       const stringVersion = core.getStringVersion()
       const intVersion = core.getIntVersion()

src/commands/libcoreScanAccounts.js

@@ -4,6 +4,7 @@ import type { AccountRaw } from '@ledgerhq/live-common/lib/types'
 import { createCommand, Command } from 'helpers/ipc'
 import { Observable } from 'rxjs'
 import { scanAccountsOnDevice } from 'helpers/libcore'
+import withLibcore from 'helpers/withLibcore'
 
 type Input = {
   devicePath: string,
@@ -17,7 +18,9 @@ const cmd: Command<Input, Result> = createCommand(
   ({ devicePath, currencyId }) =>
     Observable.create(o => {
       // TODO scanAccountsOnDevice should directly return a Observable so we just have to pass-in
+      withLibcore(core =>
         scanAccountsOnDevice({
+          core,
           devicePath,
           currencyId,
           onAccountScanned: account => {
@@ -30,6 +33,7 @@ const cmd: Command<Input, Result> = createCommand(
           e => {
             o.error(e)
           },
+        ),
       )
 
       function unsubscribe() {

src/commands/libcoreSignAndBroadcast.js

@@ -2,11 +2,14 @@
 
 import type { AccountRaw, OperationRaw } from '@ledgerhq/live-common/lib/types'
 import Btc from '@ledgerhq/hw-app-btc'
+import { fromPromise } from 'rxjs/observable/fromPromise'
+import { getCryptoCurrencyById } from '@ledgerhq/live-common/lib/helpers/currencies'
+import type Transport from '@ledgerhq/hw-transport'
+
+import withLibcore from 'helpers/withLibcore'
 import { createCommand, Command } from 'helpers/ipc'
 import { withDevice } from 'helpers/deviceAccess'
 import { getWalletIdentifier } from 'helpers/libcore'
-import { fromPromise } from 'rxjs/observable/fromPromise'
-import { getCryptoCurrencyById } from '@ledgerhq/live-common/lib/helpers/currencies'
 
 type BitcoinLikeTransaction = {
   amount: number,
@@ -24,12 +27,35 @@ type Result = $Exact<OperationRaw>
 
 const cmd: Command<Input, Result> = createCommand(
   'libcoreSignAndBroadcast',
-  ({ account, transaction, deviceId }) => {
+  ({ account, transaction, deviceId }) =>
-    // TODO: investigate why importing it on file scope causes trouble
+    fromPromise(
-    const core = require('init-ledger-core')()
+      withDevice(deviceId)(transport =>
+        withLibcore(core =>
+          doSignAndBroadcast({
+            account,
+            transaction,
+            deviceId,
+            core,
+            transport,
+          }),
+        ),
+      ),
+    ),
+)
 
-    return fromPromise(
+export async function doSignAndBroadcast({
-      withDevice(deviceId)(async transport => {
+  account,
+  transaction,
+  deviceId,
+  core,
+  transport,
+}: {
+  account: AccountRaw,
+  transaction: BitcoinLikeTransaction,
+  deviceId: string,
+  core: *,
+  transport: Transport<*>,
+}) {
   const hwApp = new Btc(transport)
 
   const WALLET_IDENTIFIER = await getWalletIdentifier({
@@ -63,14 +89,12 @@ const cmd: Command<Input, Result> = createCommand(
   const signedTransaction = await core.signTransaction({
     hwApp,
     transaction: builded,
-          sigHashType,
+    sigHashType: parseInt(sigHashType, 16).toString(),
-          supportsSegwit: currency.supportsSegwit,
+    supportsSegwit: !!currency.supportsSegwit,
     isSegwit: account.isSegwit,
   })
 
-        const txHash = await njsAccount
+  const txHash = await njsAccount.asBitcoinLikeAccount().broadcastRawTransaction(signedTransaction)
-          .asBitcoinLikeAccount()
-          .broadcastRawTransaction(signedTransaction)
 
   // optimistic operation
   return {
@@ -85,9 +109,6 @@ const cmd: Command<Input, Result> = createCommand(
     accountId: account.id,
     date: new Date().toISOString(),
   }
-      }),
+}
-    )
-  },
-)
 
 export default cmd

src/commands/libcoreSyncAccount.js

@@ -0,0 +1,22 @@
+// @flow
+
+import type { AccountRaw } from '@ledgerhq/live-common/lib/types'
+import { fromPromise } from 'rxjs/observable/fromPromise'
+
+import { createCommand, Command } from 'helpers/ipc'
+import { syncAccount } from 'helpers/libcore'
+import withLibcore from 'helpers/withLibcore'
+
+type Input = {
+  rawAccount: AccountRaw,
+}
+
+type Result = AccountRaw
+
+const cmd: Command<Input, Result> = createCommand('libcoreSyncAccount', ({ rawAccount }) =>
+  fromPromise(
+    withLibcore((core, njsWalletPool) => syncAccount({ rawAccount, core, njsWalletPool })),
+  ),
+)
+
+export default cmd

src/components/SideBar/Item.js

@@ -3,7 +3,7 @@
 import React from 'react'
 import styled from 'styled-components'
 import { compose } from 'redux'
-import { matchPath, withRouter } from 'react-router'
+import { withRouter } from 'react-router'
 import { push } from 'react-router-redux'
 import { connect } from 'react-redux'
 
@@ -91,13 +91,7 @@ function Item({
   highlight,
 }: Props) {
   const { pathname } = location
-  const isActive = linkTo
+  const isActive = linkTo === pathname
-    ? linkTo === '/'
-      ? linkTo === pathname
-      : matchPath(pathname, {
-          path: linkTo,
-        })
-    : false
   return (
     <Container
       big={big}

src/components/SideBar/index.js

@@ -4,6 +4,7 @@ import React, { PureComponent, Fragment } from 'react'
 import { compose } from 'redux'
 import { translate } from 'react-i18next'
 import styled from 'styled-components'
+import { withRouter } from 'react-router'
 import { connect } from 'react-redux'
 import { getCryptoCurrencyIcon } from '@ledgerhq/live-common/lib/react'
 import type { Account } from '@ledgerhq/live-common/lib/types'
@@ -124,9 +125,17 @@ class SideBar extends PureComponent<Props> {
   }
 }
 
-const AccountsList = connect(state => ({
+const AccountsList = compose(
+  withRouter,
+  connect(
+    state => ({
       accounts: accountsSelector(state),
-}))(({ accounts }: { accounts: Account[] }) => (
+    }),
+    null,
+    null,
+    { pure: false },
+  ),
+)(({ accounts }: { accounts: Account[] }) => (
   <Fragment>
     {accounts.map(account => {
       const Icon = getCryptoCurrencyIcon(account.currency)
@@ -155,6 +164,7 @@ const AccountsList = connect(state => ({
 ))
 
 export default compose(
+  withRouter,
   connect(mapStateToProps, mapDispatchToProps, null, { pure: false }),
   translate(),
 )(SideBar)

src/components/TopBar/ActivityIndicator.js

@@ -18,12 +18,11 @@ const Activity = styled.div`
         ? p.theme.colors.alertRed
         : p.theme.colors.positiveGreen};
   border-radius: 50%;
-  bottom: 20px;
+  bottom: 23px;
-  height: 4px;
   position: absolute;
-  right: 8px;
+  left: -5px;
-  width: 4px;
+  width: 12px;
-  cursor: pointer;
+  height: 12px;
 `
 
 const mapStateToProps = createStructuredSelector({ globalSyncState: globalSyncStateSelector })
@@ -32,7 +31,7 @@ class ActivityIndicatorUI extends Component<*> {
   render() {
     const { pending, error, onClick } = this.props
     return (
-      <ItemContainer relative onClick={onClick}>
+      <ItemContainer cursor="pointer" relative onClick={onClick}>
         <IconActivity size={16} />
         <Activity pending={pending} error={error} />
       </ItemContainer>

src/components/TopBar/index.js

@@ -15,7 +15,6 @@ import { lock } from 'reducers/application'
 import { hasPassword } from 'reducers/settings'
 import { openModal } from 'reducers/modals'
 
-import IconDevices from 'icons/Devices'
 import IconLock from 'icons/Lock'
 import IconSettings from 'icons/Settings'
 
@@ -98,9 +97,6 @@ class TopBar extends PureComponent<Props> {
         <Inner>
           <Box grow horizontal>
             <GlobalSearch t={t} isHidden />
-            <ItemContainer justifyContent="center">
-              <IconDevices size={16} />
-            </ItemContainer>
             <ActivityIndicator />
             <Box justifyContent="center">
               <Bar />

src/components/modals/OperationDetails.js

@@ -1,6 +1,7 @@
 // @flow
 
 import React from 'react'
+import uniq from 'lodash/uniq'
 import { connect } from 'react-redux'
 import { shell } from 'electron'
 import { translate } from 'react-i18next'
@@ -78,6 +79,7 @@ const OperationDetails = connect(mapStateToProps)((props: Props) => {
   const isConfirmed = confirmations >= currencySettings.confirmationsNb
 
   const url = getTxURL(account, operation)
+  const uniqSenders = uniq(senders)
 
   return (
     <ModalBody onClose={onClose}>
@@ -132,7 +134,7 @@ const OperationDetails = connect(mapStateToProps)((props: Props) => {
         <B />
         <Line>
           <ColLeft>From</ColLeft>
-          <ColRight>{senders.map(v => <CanSelect key={v}> {v} </CanSelect>)}</ColRight>
+          <ColRight>{uniqSenders.map(v => <CanSelect key={v}>{v}</CanSelect>)}</ColRight>
         </Line>
         <B />
         <Line>

src/helpers/accountId.js

@@ -0,0 +1,22 @@
+// @flow
+
+import invariant from 'invariant'
+
+type Params = {
+  type: string,
+  version: string,
+  xpub: string,
+  walletName: string,
+}
+
+export function encode({ type, version, xpub, walletName }: Params) {
+  return `${type}:${version}:${xpub}:${walletName}`
+}
+
+export function decode(accountId: string): Params {
+  invariant(typeof accountId === 'string', 'accountId is not a string')
+  const splitted = accountId.split(':')
+  invariant(splitted.length === 4, 'invalid size for accountId')
+  const [type, version, xpub, walletName] = splitted
+  return { type, version, xpub, walletName }
+}

src/helpers/libcore.js

@@ -1,13 +1,5 @@
 // @flow
 
-//                          Scan accounts on device
-//                          -----------------------
-//
-//                                _   ,--()
-//                               ( )-'-.------|>
-//                                "     `--[]
-//
-
 import Btc from '@ledgerhq/hw-app-btc'
 import { withDevice } from 'helpers/deviceAccess'
 import { getCryptoCurrencyById } from '@ledgerhq/live-common/lib/helpers/currencies'
@@ -15,7 +7,10 @@ import { getCryptoCurrencyById } from '@ledgerhq/live-common/lib/helpers/currenc
 import type { AccountRaw, OperationRaw, OperationType } from '@ledgerhq/live-common/lib/types'
 import type { NJSAccount, NJSOperation } from '@ledgerhq/ledger-core/src/ledgercore_doc'
 
+import * as accountIdHelper from 'helpers/accountId'
+
 type Props = {
+  core: *,
   devicePath: string,
   currencyId: string,
   onAccountScanned: AccountRaw => void,
@@ -24,13 +19,14 @@ type Props = {
 const { SHOW_LEGACY_NEW_ACCOUNT } = process.env
 
 export function scanAccountsOnDevice(props: Props): Promise<AccountRaw[]> {
-  const { devicePath, currencyId, onAccountScanned } = props
+  const { devicePath, currencyId, onAccountScanned, core } = props
   const currency = getCryptoCurrencyById(currencyId)
 
   return withDevice(devicePath)(async transport => {
     const hwApp = new Btc(transport)
 
     const commonParams = {
+      core,
       hwApp,
       currencyId,
       onAccountScanned,
@@ -78,6 +74,7 @@ export async function getWalletIdentifier({
 }
 
 async function scanAccountsOnDeviceBySegwit({
+  core,
   hwApp,
   currencyId,
   onAccountScanned,
@@ -85,6 +82,7 @@ async function scanAccountsOnDeviceBySegwit({
   isSegwit,
   showNewAccount,
 }: {
+  core: *,
   hwApp: Object,
   currencyId: string,
   onAccountScanned: AccountRaw => void,
@@ -96,12 +94,13 @@ async function scanAccountsOnDeviceBySegwit({
   const WALLET_IDENTIFIER = await getWalletIdentifier({ hwApp, isSegwit, currencyId, devicePath })
 
   // retrieve or create the wallet
-  const wallet = await getOrCreateWallet(WALLET_IDENTIFIER, currencyId, isSegwit)
+  const wallet = await getOrCreateWallet(core, WALLET_IDENTIFIER, currencyId, isSegwit)
   const accountsCount = await wallet.getAccountCount()
 
   // recursively scan all accounts on device on the given app
   // new accounts will be created in sqlite, existing ones will be updated
   const accounts = await scanNextAccount({
+    core,
     wallet,
     hwApp,
     currencyId,
@@ -119,6 +118,7 @@ async function scanAccountsOnDeviceBySegwit({
 async function scanNextAccount(props: {
   // $FlowFixMe
   wallet: NJSWallet,
+  core: *,
   hwApp: Object,
   currencyId: string,
   accountsCount: number,
@@ -129,6 +129,7 @@ async function scanNextAccount(props: {
   showNewAccount: boolean,
 }): Promise<AccountRaw[]> {
   const {
+    core,
     wallet,
     hwApp,
     currencyId,
@@ -140,11 +141,6 @@ async function scanNextAccount(props: {
     showNewAccount,
   } = props
 
-  // TODO: investigate why importing it on file scope causes trouble
-  const core = require('init-ledger-core')()
-
-  console.log(`>> Scanning account ${accountIndex} - isSegwit: ${isSegwit.toString()}`) // eslint-disable-line no-console
-
   // create account only if account has not been scanned yet
   // if it has already been created, we just need to get it, and sync it
   const hasBeenScanned = accountIndex < accountsCount
@@ -168,7 +164,6 @@ async function scanNextAccount(props: {
     wallet,
     currencyId,
     core,
-    hwApp,
     ops,
   })
 
@@ -188,12 +183,11 @@ async function scanNextAccount(props: {
 }
 
 async function getOrCreateWallet(
+  core: *,
   WALLET_IDENTIFIER: string,
   currencyId: string,
   isSegwit: boolean,
 ): NJSWallet {
-  // TODO: investigate why importing it on file scope causes trouble
-  const core = require('init-ledger-core')()
   try {
     const wallet = await core.getWallet(WALLET_IDENTIFIER)
     return wallet
@@ -217,7 +211,6 @@ async function buildAccountRaw({
   wallet,
   currencyId,
   core,
-  hwApp,
   accountIndex,
   ops,
 }: {
@@ -227,8 +220,7 @@ async function buildAccountRaw({
   wallet: NJSWallet,
   currencyId: string,
   accountIndex: number,
-  core: Object,
+  core: *,
-  hwApp: Object,
   // $FlowFixMe
   ops: NJSOperation[],
 }): Promise<AccountRaw> {
@@ -236,15 +228,11 @@ async function buildAccountRaw({
   const balance = njsBalance.toLong()
 
   const jsCurrency = getCryptoCurrencyById(currencyId)
-
-  // retrieve xpub
   const { derivations } = await wallet.getAccountCreationInfo(accountIndex)
   const [walletPath, accountPath] = derivations
 
-  const isVerify = false
+  // retrieve xpub
-  const { bitcoinAddress } = await hwApp.getWalletPublicKey(accountPath, isVerify, isSegwit)
+  const xpub = njsAccount.getRestoreKey()
-
-  const xpub = bitcoinAddress
 
   // blockHeight
   const { height: blockHeight } = await njsAccount.getLastBlock()
@@ -263,6 +251,8 @@ async function buildAccountRaw({
 
   const { str: freshAddress, path: freshAddressPath } = addresses[0]
 
+  ops.sort((a, b) => b.getDate() - a.getDate())
+
   const operations = ops.map(op => buildOperationRaw({ core, op, xpub }))
   const currency = getCryptoCurrencyById(currencyId)
 
@@ -272,7 +262,12 @@ async function buildAccountRaw({
   }
 
   const rawAccount: AccountRaw = {
-    id: xpub, // FIXME for account id you might want to prepend the crypto currency id to this because it's not gonna be unique.
+    id: accountIdHelper.encode({
+      type: 'libcore',
+      version: '1',
+      xpub,
+      walletName: wallet.getName(),
+    }),
     xpub,
     path: walletPath,
     name,
@@ -298,7 +293,7 @@ function buildOperationRaw({
   op,
   xpub,
 }: {
-  core: Object,
+  core: *,
   op: NJSOperation,
   xpub: string,
 }): OperationRaw {
@@ -330,3 +325,53 @@ function buildOperationRaw({
     date: op.getDate().toISOString(),
   }
 }
+
+export async function getNJSAccount({
+  accountRaw,
+  njsWalletPool,
+}: {
+  accountRaw: AccountRaw,
+  njsWalletPool: *,
+}) {
+  const decodedAccountId = accountIdHelper.decode(accountRaw.id)
+  const njsWallet = await njsWalletPool.getWallet(decodedAccountId.walletName)
+  const njsAccount = await njsWallet.getAccount(accountRaw.index)
+  return njsAccount
+}
+
+export async function syncAccount({
+  rawAccount,
+  core,
+  njsWalletPool,
+}: {
+  core: *,
+  rawAccount: AccountRaw,
+  njsWalletPool: *,
+}) {
+  const decodedAccountId = accountIdHelper.decode(rawAccount.id)
+  const njsWallet = await njsWalletPool.getWallet(decodedAccountId.walletName)
+  const njsAccount = await njsWallet.getAccount(rawAccount.index)
+
+  const unsub = await core.syncAccount(njsAccount)
+  unsub()
+
+  const query = njsAccount.queryOperations()
+  const ops = await query.complete().execute()
+  const njsBalance = await njsAccount.getBalance()
+
+  const syncedRawAccount = await buildAccountRaw({
+    njsAccount,
+    isSegwit: rawAccount.isSegwit === true,
+    accountIndex: rawAccount.index,
+    wallet: njsWallet,
+    currencyId: rawAccount.currencyId,
+    core,
+    ops,
+  })
+
+  syncedRawAccount.balance = njsBalance.toLong()
+
+  console.log(`Synced account [${syncedRawAccount.name}]: ${syncedRawAccount.balance}`)
+
+  return syncedRawAccount
+}

src/helpers/withLibcore.js

@@ -0,0 +1,30 @@
+// @flow
+
+import invariant from 'invariant'
+
+const core = require('@ledgerhq/ledger-core')
+
+let walletPoolInstance: ?Object = null
+let queue = Promise.resolve()
+
+// TODO: `core` and `NJSWalletPool` should be typed
+type Job<A> = (Object, Object) => Promise<A>
+
+export default function withLibcore<A>(job: Job<A>): Promise<A> {
+  if (!walletPoolInstance) {
+    walletPoolInstance = core.instanciateWalletPool({
+      // sqlite files will be located in the app local data folder
+      dbPath: process.env.LEDGER_LIVE_SQLITE_PATH,
+    })
+  }
+  const walletPool = walletPoolInstance
+  invariant(walletPool, 'core.instanciateWalletPool returned null !!')
+
+  const p = queue.then(() => job(core, walletPool))
+
+  queue = p.catch(e => {
+    console.warn(`withLibCore: Error in job`, e)
+  })
+
+  return p
+}

src/init-ledger-core.js

@@ -1,20 +0,0 @@
-// Yep. That's a singleton.
-//
-// Electron needs to tell lib ledger core where to store the sqlite files, when
-// instanciating wallet pool, but we don't need to do each everytime we
-// require ledger-core, only the first time, so, eh.
-
-const core = require('@ledgerhq/ledger-core')
-
-let instanciated = false
-
-module.exports = () => {
-  if (!instanciated) {
-    core.instanciateWalletPool({
-      // sqlite files will be located in the app local data folder
-      dbPath: process.env.LEDGER_LIVE_SQLITE_PATH,
-    })
-    instanciated = true
-  }
-  return core
-}

src/reducers/accounts.js

@@ -30,7 +30,9 @@ const handlers: Object = {
 
   UPDATE_ACCOUNT: (
     state: AccountsState,
-    { accountId, updater }: { accountId: string, updater: Account => Account },
+    {
+      payload: { accountId, updater },
+    }: { payload: { accountId: string, updater: Account => Account } },
   ): AccountsState =>
     state.map(existingAccount => {
       if (existingAccount.id !== accountId) {

src/reducers/settings.js

@@ -63,7 +63,7 @@ const INITIAL_STATE: SettingsState = {
   marketIndicator: 'western',
   currenciesSettings: {},
   region,
-  developerMode: false,
+  developerMode: !!process.env.__DEV__,
   loaded: false,
   shareAnalytics: false,
 }
@@ -106,6 +106,7 @@ const handlers: Object = {
   ) => ({
     ...state,
     ...settings,
+    developerMode: settings.developerMode || !!process.env.__DEV__,
   }),
   FETCH_SETTINGS: (
     state: SettingsState,
@@ -113,6 +114,7 @@ const handlers: Object = {
   ) => ({
     ...state,
     ...settings,
+    developerMode: settings.developerMode || !!process.env.__DEV__,
     loaded: true,
   }),
 }

yarn.lock

@@ -1482,9 +1482,9 @@
   dependencies:
     events "^2.0.0"
 
-"@ledgerhq/ledger-core@1.4.1":
+"@ledgerhq/ledger-core@1.4.3":
-  version "1.4.1"
+  version "1.4.3"
-  resolved "https://registry.yarnpkg.com/@ledgerhq/ledger-core/-/ledger-core-1.4.1.tgz#c12d4a9140765731458ff1c68112818948c7f91d"
+  resolved "https://registry.yarnpkg.com/@ledgerhq/ledger-core/-/ledger-core-1.4.3.tgz#6cc44560e5a8fb35f85c8ad9fbae56436eacfc94"
   dependencies:
     "@ledgerhq/hw-app-btc" "^4.7.3"
     "@ledgerhq/hw-transport-node-hid" "^4.7.6"
@@ -4099,6 +4099,10 @@ chardet@^0.4.0:
   version "0.4.2"
   resolved "https://registry.yarnpkg.com/chardet/-/chardet-0.4.2.tgz#b5473b33dc97c424e5d98dc87d55d4d8a29c8bf2"
 
+chardet@^0.5.0:
+  version "0.5.0"
+  resolved "https://registry.yarnpkg.com/chardet/-/chardet-0.5.0.tgz#fe3ac73c00c3d865ffcc02a0682e2c20b6a06029"
+
 charenc@~0.0.1:
   version "0.0.2"
   resolved "https://registry.yarnpkg.com/charenc/-/charenc-0.0.2.tgz#c0a1d2f3a7092e03774bfa83f14c0fc5790a8667"
@@ -6374,6 +6378,14 @@ external-editor@^2.0.4, external-editor@^2.1.0:
     iconv-lite "^0.4.17"
     tmp "^0.0.33"
 
+external-editor@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/external-editor/-/external-editor-3.0.0.tgz#dc35c48c6f98a30ca27a20e9687d7f3c77704bb6"
+  dependencies:
+    chardet "^0.5.0"
+    iconv-lite "^0.4.22"
+    tmp "^0.0.33"
+
 extglob@^0.3.1:
   version "0.3.2"
   resolved "https://registry.yarnpkg.com/extglob/-/extglob-0.3.2.tgz#2e18ff3d2f49ab2765cec9023f011daa8d8349a1"
@@ -7539,7 +7551,7 @@ i18next@^11.2.2:
   version "11.3.2"
   resolved "https://registry.yarnpkg.com/i18next/-/i18next-11.3.2.tgz#4a1a7bb14383ba6aed4abca139b03681fc96e023"
 
-iconv-lite@0.4, iconv-lite@^0.4.17, iconv-lite@^0.4.23, iconv-lite@^0.4.4, iconv-lite@~0.4.13:
+iconv-lite@0.4, iconv-lite@^0.4.17, iconv-lite@^0.4.22, iconv-lite@^0.4.23, iconv-lite@^0.4.4, iconv-lite@~0.4.13:
   version "0.4.23"
   resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.23.tgz#297871f63be507adcfbfca715d0cd0eed84e9a63"
   dependencies:
@@ -7697,6 +7709,24 @@ inquirer@^5.2.0:
     strip-ansi "^4.0.0"
     through "^2.3.6"
 
+inquirer@^6.0.0:
+  version "6.0.0"
+  resolved "https://registry.yarnpkg.com/inquirer/-/inquirer-6.0.0.tgz#e8c20303ddc15bbfc2c12a6213710ccd9e1413d8"
+  dependencies:
+    ansi-escapes "^3.0.0"
+    chalk "^2.0.0"
+    cli-cursor "^2.1.0"
+    cli-width "^2.0.0"
+    external-editor "^3.0.0"
+    figures "^2.0.0"
+    lodash "^4.3.0"
+    mute-stream "0.0.7"
+    run-async "^2.2.0"
+    rxjs "^6.1.0"
+    string-width "^2.1.0"
+    strip-ansi "^4.0.0"
+    through "^2.3.6"
+
 insert-css@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/insert-css/-/insert-css-2.0.0.tgz#eb5d1097b7542f4c79ea3060d3aee07d053880f4"