Merge tag 'v4.5.5'

# Conflicts:
#	app/_locales/ja/messages.json
#	package-lock.json

messages.jsonのローカライズ

1 files changed, 11 insertions, 12 deletions

diff --git a/app/scripts/controllers/currency.js b/app/scripts/controllers/currency.js
index 25a7a942e..36b8808aa 100644
--- a/app/scripts/controllers/currency.js
+++ b/app/scripts/controllers/currency.js
@@ -43,20 +43,19 @@ class CurrencyController {
     this.store.updateState({ conversionDate })
   }
 
-  updateConversionRate () {
-    const currentCurrency = this.getCurrentCurrency()
-    return fetch(`https://api.infura.io/v1/ticker/eth${currentCurrency.toLowerCase()}`)
-    .then(response => response.json())
-    .then((parsedResponse) => {
+  async updateConversionRate () {
+    let currentCurrency
+    try {
+      currentCurrency = this.getCurrentCurrency()
+      const response = await fetch(`https://api.infura.io/v1/ticker/eth${currentCurrency.toLowerCase()}`)
+      const parsedResponse = await response.json()
       this.setConversionRate(Number(parsedResponse.bid))
       this.setConversionDate(Number(parsedResponse.timestamp))
-    }).catch((err) => {
-      if (err) {
-        console.warn('MetaMask - Failed to query currency conversion.')
-        this.setConversionRate(0)
-        this.setConversionDate('N/A')
-      }
-    })
+    } catch (err) {
+      log.warn(`MetaMask - Failed to query currency conversion:`, currentCurrency, err)
+      this.setConversionRate(0)
+      this.setConversionDate('N/A')
+    }
   }
 
   scheduleConversionInterval () {