add current height to /v1/node

api/test/v1/node.js

@@ -21,6 +21,7 @@ describe('BitcoreHTTP v1 node routes', function() {
       peerCount: 8,
       version: 'test',
       network: 'test',
+      height: 1234,
     };
     nodeMock.getStatus = function() {
       return Promise.resolve(nodeMock.status);

lib/node.js

@@ -188,6 +188,7 @@ BitcoreNode.prototype.getStatus = function() {
     peerCount: this.networkMonitor.getConnectedPeers(),
     version: pjson.version,
     network: bitcore.Networks.defaultNetwork.name,
+    height: this.blockchain.getCurrentHeight(),
   });
 };