From 3512cf2f23bea08f08e4a8f76eef928eb6953659 Mon Sep 17 00:00:00 2001
From: Ivan Socolsky <jungans@gmail.com>
Date: Fri, 29 Jul 2016 16:24:03 -0300
Subject: [PATCH] blockchain height endpoint

---
 lib/blockchainexplorers/insight.js | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/lib/blockchainexplorers/insight.js b/lib/blockchainexplorers/insight.js
index 121dd49..4ae1ef3 100644
--- a/lib/blockchainexplorers/insight.js
+++ b/lib/blockchainexplorers/insight.js
@@ -162,6 +162,20 @@ Insight.prototype.estimateFee = function(nbBlocks, cb) {
   });
 };
 
+Insight.prototype.getBlockchainHeight = function(cb) {
+  var path = this.apiPrefix + '/sync';
+
+  var args = {
+    method: 'GET',
+    path: path,
+    json: true,
+  };
+  this._doRequest(args, function(err, res, body) {
+    if (err || res.statusCode !== 200) return cb(_parseErr(err, res));
+    return cb(null, body.blockChainHeight);
+  });
+};
+
 Insight.prototype.initSocket = function() {
 
   // sockets always use the first server on the pull