feat(zcash.conf): add parseZcashConf helper

config/daemon/parse-zcash-conf.js

@@ -0,0 +1,28 @@
+// @flow
+import fs from 'fs';
+
+import { locateZcashConf } from './locate-zcash-conf';
+import { filterObjectNullKeys } from '../../app/utils/filter-object-null-keys';
+
+export const parseZcashConf = (): Promise<Array<string>> => new Promise((resolve, reject) => {
+  fs.readFile(locateZcashConf(), (err, file) => {
+    // TODO: Maybe we can create the zcash.conf on the fly here
+    if (err) return reject(err);
+
+    const fileString = file.toString();
+
+    const optionsFromZcashConf = filterObjectNullKeys(
+      fileString.split('\n').reduce((acc, cur) => {
+        const [key, value] = cur.split('=');
+        return { ...acc, [key]: value };
+      }, {}),
+    );
+
+    resolve(
+      Object.keys(optionsFromZcashConf).reduce(
+        (acc, key) => acc.concat(`-${key}=${optionsFromZcashConf[key]}`),
+        [],
+      ),
+    );
+  });
+});