bitcore-wallet-service/bit-wallet/bit-join

#!/usr/bin/env node

var program = require('commander');
var Client = require('../lib/client');
var utils  = require('./cli-utils');
program = utils.configureCommander(program);

program
  .usage('[options] <secret> [copayerName]')
  .option('-n, --nopasswd [level]', 'Set access for no password usage: none(default), readonly, readwrite, full', 'none')
  .parse(process.argv);

var args = program.args;
if (!args[0])
  program.help();

var secret = args[0];
var copayerName = args[1] || process.env.USER;

var client = utils.getClient(program);
client.joinWallet(secret, copayerName, function(err, xx) {
  utils.die(err);
  console.log(' * Wallet Joined.', xx || '');
});