test.js

// Testing some rpc over websockets for dcrd.
// jcv 04/11/2016

var fs = require('fs');
var WebSocket = require('ws');

// Load the certificate for the TLS connection which is automatically
// generated by btcd when it starts the RPC server and doesn't already
// have one.
var cert = fs.readFileSync('/Users/dyrk/Library/Application Support/Dcrd/rpc.cert');
var user = "user";
var password = "pass";


// Initiate the websocket connection.  The btcd generated certificate acts as
// its own certificate authority, so it needs to be specified in the 'ca' array
// for the certificate to properly validate.
var ws = new WebSocket('wss://127.0.0.1:9109/ws', {
  headers: {
    'Authorization': 'Basic '+new Buffer(user+':'+password).toString('base64')
  },
  cert: cert,
  ca: [cert]
});
ws.on('open', function() {
  console.log('CONNECTED');
  ws.send('{"jsonrpc":"1.0","id":"0","method":"getpeerinfo","params":[]}');
  ws.send('{"jsonrpc":"1.0","id":"0","method":"getcoinsupply","params":[]}');
  ws.send('{"jsonrpc":"1.0","id":"0","method":"getticketpoolvalue","params":[]}');
});
ws.on('message', function(data, flags) {
    console.log(data);
});
ws.on('error', function(derp) {
  console.log('ERROR:' + derp);
})
ws.on('close', function(data) {
  console.log('DISCONNECTED');
})