app.js

var express = require('express');
var http = require('http');
var path = require('path');
var favicon = require('static-favicon');
var logger = require('morgan');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');
var app = express();
var fs = require('fs');
var publicDir = path.join(__dirname, 'public');
var routes = require('./routes');
var transaction = require('./routes/history');

try {
  var configJSON = fs.readFileSync(__dirname + "/config.json");
  var config = JSON.parse(configJSON.toString());
} catch (e) {
  console.error("File config.json not found or is invalid: " + e.message);
  process.exit(1);
}

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'jade');
app.set('port', config.port || process.env.PORT);

app.use(favicon());
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded());
app.use(cookieParser());
app.use(express.static(publicDir));
app.use(app.router);

/// catch 404 and forwarding to error handler
app.use(function(req, res, next) {
    var err = new Error('Not Found');
    err.status = 404;
    next(err);
});

if ('development' === app.get('env')) {
  app.use(express.errorHandler());
}

// production error handler
// no stacktraces leaked to user
app.use(function(err, req, res, next) {
    res.render('error', {
        message: err.message,
        error: {}
    });
});

transaction.init(config);
app.get('/', express.static(publicDir));
app.get('/hst', transaction.history);
app.post('/transfer', transaction.pay);

http.createServer(app).listen(app.get('port'), function () {
  console.log('Express server listening on port ' + app.get('port'));
});