From 7e861c879716ba2aeb46a0af5829bf387e83e2de Mon Sep 17 00:00:00 2001
From: meriadec <meriadec.pillet@gmail.com>
Date: Fri, 11 May 2018 13:54:10 +0200
Subject: [PATCH] Resolve sqlite path for lib ledger core

---
 src/init-ledger-core.js                       | 21 +++++++++++++++++++
 src/internals/accounts/helpers.js             |  4 +++-
 .../accounts/scanAccountsOnDevice.js          |  4 ++--
 src/main/bridge.js                            | 10 ++++++---
 4 files changed, 33 insertions(+), 6 deletions(-)
 create mode 100644 src/init-ledger-core.js

diff --git a/src/init-ledger-core.js b/src/init-ledger-core.js
new file mode 100644
index 00000000..33b9d556
--- /dev/null
+++ b/src/init-ledger-core.js
@@ -0,0 +1,21 @@
+// 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('ledger-core')
+
+let instanciated = false
+
+module.exports = () => {
+  console.log(`INSTANCIATED = ${instanciated}`)
+  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
+}
diff --git a/src/internals/accounts/helpers.js b/src/internals/accounts/helpers.js
index 9cdf67db..88bdff4a 100644
--- a/src/internals/accounts/helpers.js
+++ b/src/internals/accounts/helpers.js
@@ -31,7 +31,9 @@ export async function getFreshReceiveAddress({
   currencyId: string,
   accountIndex: number,
 }) {
-  const core = require('ledger-core')
+  // TODO: investigate why importing it on file scope causes trouble
+  const core = require('init-ledger-core')()
+
   const wallet = await core.getWallet(currencyId)
   const account = await wallet.getAccount(accountIndex)
   const addresses = await account.getFreshPublicAddresses()
diff --git a/src/internals/accounts/scanAccountsOnDevice.js b/src/internals/accounts/scanAccountsOnDevice.js
index df7afe86..154adf91 100644
--- a/src/internals/accounts/scanAccountsOnDevice.js
+++ b/src/internals/accounts/scanAccountsOnDevice.js
@@ -69,7 +69,7 @@ async function scanNextAccount(props) {
   } = props
 
   // TODO: investigate why importing it on file scope causes trouble
-  const core = require('ledger-core')
+  const core = require('init-ledger-core')()
 
   console.log(`>> Scanning account ${accountIndex}`)
 
@@ -113,7 +113,7 @@ async function scanNextAccount(props) {
 
 async function getOrCreateWallet(WALLET_IDENTIFIER, currencyId) {
   // TODO: investigate why importing it on file scope causes trouble
-  const core = require('ledger-core')
+  const core = require('init-ledger-core')()
   try {
     const wallet = await core.getWallet(WALLET_IDENTIFIER)
     return wallet
diff --git a/src/main/bridge.js b/src/main/bridge.js
index c84da7d7..75f0948f 100644
--- a/src/main/bridge.js
+++ b/src/main/bridge.js
@@ -2,9 +2,9 @@
 
 import '@babel/polyfill'
 import { fork } from 'child_process'
-import { BrowserWindow, ipcMain } from 'electron'
+import { BrowserWindow, ipcMain, app } from 'electron'
 import objectPath from 'object-path'
-import { resolve } from 'path'
+import path from 'path'
 
 import cpuUsage from 'helpers/cpuUsage'
 
@@ -12,6 +12,9 @@ import setupAutoUpdater, { quitAndInstall } from './autoUpdate'
 
 const { DEV_TOOLS } = process.env
 
+// sqlite files will be located in the app local data folder
+const LEDGER_LIVE_SQLITE_PATH = path.resolve(app.getPath('userData'), 'sqlite')
+
 const processes = []
 
 function cleanProcesses() {
@@ -29,10 +32,11 @@ function onForkChannel(forkType) {
   return (event: any, payload) => {
     const { type, data } = payload
 
-    let compute = fork(resolve(__dirname, `${__DEV__ ? '../../' : './'}dist/internals`), {
+    let compute = fork(path.resolve(__dirname, `${__DEV__ ? '../../' : './'}dist/internals`), {
       env: {
         DEV_TOOLS,
         FORK_TYPE: forkType,
+        LEDGER_LIVE_SQLITE_PATH,
       },
     })