Merge pull request #123 from steemit/fix-expiration

fix chain time access, remove local time fallback

Author: Fabien

package.json

@@ -1,6 +1,6 @@
 {
   "name": "steem",
-  "version": "0.5.3",
+  "version": "0.5.4",
   "description": "Steem.js the JavaScript API for Steem blockchain",
   "main": "index.js",
   "scripts": {

src/broadcast/index.js

@@ -53,11 +53,12 @@ steemBroadcast._prepareTransaction = function steemBroadcast$_prepareTransaction
   return propertiesP
     .then((properties) => {
       // Set defaults on the transaction
+      const chainDate = new Date(properties.time + 'Z');
       return Object.assign({
         ref_block_num: properties.head_block_number & 0xFFFF,
         ref_block_prefix: new Buffer(properties.head_block_id, 'hex').readUInt32LE(4),
         expiration: new Date(
-          (properties.timestamp || Date.now()) +
+          chainDate.getTime() +
             15 * 1000
         ),
       }, tx);