Use logical timestamps to display blocks

Author: Chethan Krishna

lib/services/bitcoind.js

@@ -1691,9 +1691,13 @@ Bitcoin.prototype.getBlock = function(blockArg, callback) {
  * @param {Number} low - The older timestamp in seconds
  * @param {Function} callback
  */
-Bitcoin.prototype.getBlockHashesByTimestamp = function(high, low, callback) {
+Bitcoin.prototype.getBlockHashesByTimestamp = function(high, low, options, callback) {
   var self = this;
-  self.client.getBlockHashes(high, low, function(err, response) {
+  if (_.isFunction(options)) {
+	  callback = options;
+	  options = {};
+  }
+  self.client.getBlockHashes(high, low, options, function(err, response) {
     if (err) {
       return callback(self._wrapRPCError(err));
     }