Patch-Magento_Directory-M2.1.11-update-fixerio-api-endpoint-and-add-accesskey-configuration.patch

--- Model/Currency/Import/FixerIo.php	(date 1539769041000)
+++ Model/Currency/Import/FixerIo.php	(date 1539769185000)
@@ -13,7 +13,7 @@
     /**
      * @var string
      */
-    const CURRENCY_CONVERTER_URL = 'http://api.fixer.io/latest?base={{CURRENCY_FROM}}&symbols={{CURRENCY_TO}}';
+    const CURRENCY_CONVERTER_URL = 'http://api.fixer.io/live?currencies={{CURRENCY_TO}}';

     /**
      * Http Client Factory
@@ -78,6 +78,8 @@
         $currenciesStr = implode(',', $currenciesTo);
         $url = str_replace('{{CURRENCY_FROM}}', $currencyFrom, self::CURRENCY_CONVERTER_URL);
         $url = str_replace('{{CURRENCY_TO}}', $currenciesStr, $url);
+        $fixerAccessKey = $this->scopeConfig->getValue('currency/fixerio/access_key');
+        $url = str_replace('http://api.fixer.io/', 'http://data.fixer.io/api/', $url . "&access_key=" . $fixerAccessKey);

         set_time_limit(0);
         try {
@@ -90,12 +92,12 @@
             if ($currencyFrom == $currencyTo) {
                 $data[$currencyFrom][$currencyTo] = $this->_numberFormat(1);
             } else {
-                if (empty($response['rates'][$currencyTo])) {
+                if (empty($response['quotes']['USD' . $currencyTo]) || empty($response['quotes']['USD' . $currencyFrom])) {
                     $this->_messages[] = __('We can\'t retrieve a rate from %1 for %2.', $url, $currencyTo);
                     $data[$currencyFrom][$currencyTo] = null;
                 } else {
                     $data[$currencyFrom][$currencyTo] = $this->_numberFormat(
-                        (double)$response['rates'][$currencyTo]
+                        (double)($response['quotes']['USD' . $currencyTo] / $response['quotes']['USD' . $currencyFrom])
                     );
                 }
             }

--
magento/module-directory 100.2.5