Don't print potential HTML error that our server seems to return

src/api/Ledger.js

@@ -1,48 +1,7 @@
 // @flow
 import type { Currency } from '@ledgerhq/live-common/lib/types'
-import logger from 'logger'
-import createCustomErrorClass from 'helpers/createCustomErrorClass'
 
 const BASE_URL = process.env.LEDGER_REST_API_BASE || 'https://api.ledgerwallet.com/'
 
-export const LedgerAPIErrorWithMessage = createCustomErrorClass('LedgerAPIErrorWithMessage')
-export const LedgerAPIError = createCustomErrorClass('LedgerAPIError')
-export const NetworkDown = createCustomErrorClass('NetworkDown')
-
-export const userFriendlyError = <A>(p: Promise<A>): Promise<A> =>
-  p.catch(error => {
-    if (error.response) {
-      // The request was made and the server responded with a status code
-      // that falls out of the range of 2xx
-      const { data } = error.response
-      if (data && typeof data.error === 'string') {
-        let msg = data.error || data.message
-        if (typeof msg === 'string') {
-          const m = msg.match(/^JsDefined\((.*)\)$/)
-          if (m) {
-            try {
-              const { message } = JSON.parse(m[1])
-              if (typeof message === 'string') {
-                msg = message
-              }
-            } catch (e) {
-              logger.warn("can't parse server result", e)
-            }
-          }
-          throw new LedgerAPIErrorWithMessage(msg)
-        }
-      }
-      const { status } = error.response
-      logger.log('Ledger API: HTTP status', status, 'data: ', error.response.data)
-      throw new LedgerAPIError(`LedgerAPIError ${status}`, { status })
-    } else if (error.request) {
-      // The request was made but no response was received
-      // `error.request` is an instance of XMLHttpRequest in the browser and an instance of
-      // http.ClientRequest in node.js
-      throw new NetworkDown()
-    }
-    throw error
-  })
-
 export const blockchainBaseURL = ({ ledgerExplorerId }: Currency): ?string =>
   ledgerExplorerId ? `${BASE_URL}blockchain/v2/${ledgerExplorerId}` : null

src/api/network.js

@@ -1,8 +1,50 @@
 // @flow
 import axios from 'axios'
 import { GET_CALLS_RETRY, GET_CALLS_TIMEOUT } from 'config/constants'
-import { userFriendlyError } from 'api/Ledger'
 import { retry } from 'helpers/promise'
+import logger from 'logger'
+import createCustomErrorClass from 'helpers/createCustomErrorClass'
+
+export const LedgerAPIErrorWithMessage = createCustomErrorClass('LedgerAPIErrorWithMessage')
+export const LedgerAPIError = createCustomErrorClass('LedgerAPIError')
+export const NetworkDown = createCustomErrorClass('NetworkDown')
+
+const userFriendlyError = <A>(p: Promise<A>): Promise<A> =>
+  p.catch(error => {
+    if (error.response) {
+      // The request was made and the server responded with a status code
+      // that falls out of the range of 2xx
+      const { data } = error.response
+      if (data && typeof data.error === 'string') {
+        let msg = data.error || data.message
+        if (typeof msg === 'string') {
+          const m = msg.match(/^JsDefined\((.*)\)$/)
+          if (m) {
+            try {
+              const { message } = JSON.parse(m[1])
+              if (typeof message === 'string') {
+                msg = message
+              }
+            } catch (e) {
+              logger.warn("can't parse server result", e)
+            }
+          }
+          if (msg && msg[0] !== '<') {
+            throw new LedgerAPIErrorWithMessage(msg)
+          }
+        }
+      }
+      const { status } = error.response
+      logger.log('Ledger API: HTTP status', status, 'data: ', error.response.data)
+      throw new LedgerAPIError(`LedgerAPIError ${status}`, { status })
+    } else if (error.request) {
+      // The request was made but no response was received
+      // `error.request` is an instance of XMLHttpRequest in the browser and an instance of
+      // http.ClientRequest in node.js
+      throw new NetworkDown()
+    }
+    throw error
+  })
 
 let implementation = (arg: Object) => {
   let promise