simplify getJson

lib/modules/ipfs/index.js

@@ -77,14 +77,8 @@ class IPFS {
   }
 
   _checkService(cb) {
-    const self = this;
     let url = this._getNodeUrl();
-    self.logger.info(`Checking IPFS version on ${url}...`);
-    if (self.protocol !== 'https'){
-      utils.httpGetJson(url, cb);
-    } else {
-      utils.httpsGetJson(url, cb);
-    }
+    utils.getJson(url, cb);
   }
 
   addProviderToEmbarkJS() {

lib/utils/utils.js

@@ -78,6 +78,13 @@ function httpsGetJson(url, callback) {
   });
 }
 
+function getJson(url, cb) {
+  if (url.indexOf('https') === 0) {
+    return httpsGetJson(url, cb);
+  }
+  httpGetJson(url, cb);
+}
+
 function pingEndpoint(host, port, type, protocol, origin, callback) {
   const options = {
     protocolVersion: 13,
@@ -321,6 +328,7 @@ module.exports = {
   httpsGet,
   httpGetJson,
   httpsGetJson,
+  getJson,
   hexToNumber,
   pingEndpoint,
   decodeParams,