bitcore-wallet-service/bit-wallet/bit-sign

#!/usr/bin/env node

var _ = require('lodash');
var program = require('commander');
var utils  = require('./cli-utils');
program = utils.configureCommander(program);

program
  .usage('[options] <txpid>')
  .parse(process.argv);

var args = program.args;
var txpid = args[0] || '';

var client = utils.getClient(program);
client.getTxProposals({}, function(err, txps) {
  utils.die(err);

  var txp = utils.findOneTxProposal(txps, txpid);
  client.signTxProposal(txp, function(err, tx) {
    utils.die(err);
    if (tx.status == 'broadcasted')
      console.log('Transaction Broadcasted: TXID: ' + tx.txid);
    else 
      console.log('Transaction signed by you.');
  });
});