bm-create-enc-payload/index.js

const objects = require('bitmessage').objects,
      Address = require('bitmessage').Address;

const { spawn } = require('child_process');
const zmq = require('zeromq');

(async () => {
  const sock = zmq.socket('pub');

  sock.bindSync('tcp://127.0.0.1:5566');
  console.log('Publisher bound to port 5566');

  spawn(
    'minode', ['--request-queue', 'tcp://127.0.0.1:5566'],
    {timeout: 300000, killSignal: 'SIGQUIT'}
  ).stderr.on('data', (data) => {
    console.log(`${data}`);
  });

  const sender = Address.fromRandom(),
	recipient = Address.fromPassphrase('test');
  console.log('sender:', sender.encode());
  console.log('recipient:', recipient.encode());

  var msg = await objects.msg.encodePayloadAsync({
    ttl: 1800,
    from: sender,
    to: recipient,
    message: 'The quick brown fox jumps over the lazy dog.',
    subject: 'hello',
    encoding: 2,
    friend: true
  });
  console.log('msg:', msg.toString('hex'));

  console.log('Sending the msg');
  sock.send(Buffer.concat([
    Buffer.from('msg', 'ascii'), Buffer.from('00', 'hex'), msg
  ]));

})();