server.js

/*
 This file is part of kaya.
  Copyright (c) 2018 - present Zilliqa Research Pvt. Ltd.

  kaya is free software: you can redistribute it and/or modify it under the
  terms of the GNU General Public License as published by the Free Software
  Foundation, either version 3 of the License, or (at your option) any later
  version.

  kaya is distributed in the hope that it will be useful, but WITHOUT ANY
  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
  A PARTICULAR PURPOSE.  See the GNU General Public License for more details.

  You should have received a copy of the GNU General Public License along with
  kaya.  If not, see <http://www.gnu.org/licenses/>.
*/

const config = require('./config');

/* Information about Kaya RPC Server */

console.log(`ZILLIQA KAYA RPC SERVER (ver: ${config.version})`);
console.log(`Server listening on 127.0.0.1:${config.port}`);

if (config.scilla.remote) {
  console.log(`Scilla interperter running remotely from: ${config.scilla.url}`);
} else {
  console.log('Scilla interpreter running locally');
}
console.log('='.repeat(80));

const app = require('./app');

const server = app.expressjs.listen(config.port, (err) => {
  if (err) {
    process.exit(1);
  }
});

// Listener for connections opening on the server
let connections = [];
server.on('connection', (connection) => {
  connections.push(connection);
  connection.on(
    'close',
    () => (connections = connections.filter(curr => curr !== connection)),
  );
});