#22: Display error if daemon version is too low

src/helpers.js

@@ -16,6 +16,34 @@ const tryParse = (j, def) => {
   }
 };
 
+module.exports.checkDaemonVersion = (directory, version, storageType) => {
+  return new Promise((resolve, reject) => {
+    const processOptions = {
+      detached: true,
+      shell: false,
+      windowsHide: true,
+    };
+
+    const command = path.join(directory, version, (os.platform() === 'win32') ? 'repertory.exe' : 'repertory');
+    const args = [];
+    args.push('-cv');
+    if (Constants.PROVIDER_ARG[storageType.toLowerCase()].length > 0) {
+      args.push(Constants.PROVIDER_ARG[storageType.toLowerCase()]);
+    }
+
+    const process = new spawn(command, args, processOptions);
+
+    process.on('error', err => {
+      reject(err);
+    });
+
+    process.on('exit', code => {
+      resolve(code);
+    });
+    process.unref();
+  });
+};
+
 module.exports.createSignatureFiles = (signature, publicKey) => {
   const fileName1 = RandomString.generate({
     length: 12,