Merge pull request #344 from dapphub/timestamp-hash

util: add timestamp to build_hash

Author: asymmetric

lib/util.js

@@ -98,10 +98,12 @@ const getBuildId = () => {
 
   const klab_HEAD     = getKlabHEAD();
   const project_HEAD     = getProjectHEAD();
+  const timestamp = Date.now();
 
   const build_hash = sha3(JSON.stringify({
     project_HEAD, // e.g. current k-dss git HEAD
     klab_HEAD,    // e.g. klab master HEAD
+    timestamp,
   })).slice(0, 20);
 
   return build_hash;