Merge pull request #96 from cmgustavo/feature/01block-index-by-height

Feature/01block index by height

app/controllers/blocks.js

@@ -32,6 +32,20 @@ exports.show = function(req, res) {
   }
 };
 
+/**
+ * Show block by Height
+ */
+exports.blockindex = function(req, res, next, height) {
+  Block.fromHeight(height, function(err, hash) {
+    if (err) {
+      console.log(err);
+      res.status(400).send('Bad Request'); // TODO
+    }
+    else {
+      res.jsonp(hash);
+    }
+  });
+};
 
 /**
  * List of blocks by date

app/controllers/status.js

@@ -10,7 +10,7 @@ var Status  = require('../models/Status'),
 /**
  *  Status
  */
-exports.show = function(req, res, next) {
+exports.show = function(req, res) {
   
   if (! req.query.q) {
     res.status(400).send('Bad Request');

app/models/Block.js

@@ -72,6 +72,15 @@ BlockSchema.statics.load = function(id, cb) {
   }).exec(cb);
 };
 
+BlockSchema.statics.fromHeight = function(height, cb) {
+  var rpc  = new RpcClient(config.bitcoind);
+  var hash = {};
+  rpc.getBlockHash(height, function(err, bh){
+    if (err) return cb(err);
+    hash.blockHash = bh.result;
+    cb(null, hash);
+  });
+};
 
 BlockSchema.statics.fromHash = function(hash, cb) {
   this.findOne({

config/routes.js

@@ -14,6 +14,9 @@ module.exports = function(app, historicSync) {
   app.get('/api/block/:blockHash', blocks.show);
   app.param('blockHash', blocks.block);
 
+  app.get('/api/block-index/:height', blocks.blockindex);
+  app.param('height', blocks.blockindex);
+
   // Transaction routes
   var transactions = require('../app/controllers/transactions');
   app.get('/api/tx/:txid', transactions.show);

public/js/config.js

@@ -7,6 +7,10 @@ angular.module('insight').config(['$routeProvider',
     when('/block/:blockHash', {
       templateUrl: 'views/block.html'
     }).
+    when('/block-index/:blockHeight', {
+      controller: 'BlocksController',
+      template: 'Redirecting...'
+    }).
     when('/tx/:txId', {
       templateUrl: 'views/transaction.html'
     }).

public/js/controllers/blocks.js

@@ -1,9 +1,20 @@
 'use strict';
 
 angular.module('insight.blocks').controller('BlocksController',
-  function ($scope, $rootScope, $routeParams, $location, Global, Block, Blocks) {
+  function ($scope, $rootScope, $routeParams, $location, Global, Block, Blocks, BlockByHeight) {
   $scope.global = Global;
 
+  if ($routeParams.blockHeight) {
+    BlockByHeight.get({
+      blockHeight: $routeParams.blockHeight
+    }, function(hash) {
+      $location.path('/block/' + hash.blockHash);
+    }, function() {
+      $rootScope.flashMessage = 'Bad Request';
+      $location.path('/');
+    });
+  }
+
   $scope.list = function() {
     Blocks.get({
       blockDate: $routeParams.blockDate

public/js/services/blocks.js

@@ -23,5 +23,11 @@ angular.module('insight.blocks').factory('Block',
 
 angular.module('insight.blocks').factory('Blocks',
   function($resource) {
-  return $resource('/api/blocks');
+    return $resource('/api/blocks');
 });
+
+angular.module('insight.blocks').factory('BlockByHeight',
+  function($resource) {
+  return $resource('/api/block-index/:blockHeight');
+});
+