Query the Blockchain.info API with Nodejs

Blockchain.Info-API-Nodejs

// require express to connect server
var express = require("express");
var app = express();

// require request to connect to blockchain.info api
var request = require("request");

// request blockchain.info api in json and save api data in variables
request({
    url: "http://blockchain.info/stats?format=json",
    json: true
}, function(error, response, body) {
      btcPrice = body.market_price_usd;
      btcBlocks = body.n_blocks_total;
});

// home page display current bitcoin price
app.get("/", function(req, res) {
  res.send("Blockchain.info Price: " + btcPrice)
};

// /blocks page display current block height
app.get("/block", function(req, res) {
  res.send("Blockchain.info current block height: " + btcBlocks)
};

// listen on server
app.listen(3000);