multisig.js

var run = async function () {
  var bitcore = require('bitcore');
  var RpcClient = require('bitcoind-rpc');

  var config = {
    protocol: 'http',
    user: 'bitcoin',
    pass: 'local321',
    host: '127.0.0.1',
    port: '18332',
  };

  var rpc = new RpcClient(config);

  var txids = [];

  const Networks = bitcore.Networks;

  var address = bitcore.Address.fromString('2N2Ww3EPc9gC8hPycHn8rxZLjy1eEfsbw5y', Networks.testnet);

  var utxo = {};

  rpc.getAddressUtxos({
    addresses: [address.toString()]
  }, function (err, res) {
    // console.log(res)
    utxo = {
      "txId": res.result[0].txid,
      "outputIndex": res.result[0].outputIndex,
      "address": res.result[0].address,
      "script": res.result[0].script,
      "satoshis": res.result[0].satoshis,
    };
    console.log('utxo', utxo)

    var alice_privateKey = new bitcore.PrivateKey();
    console.log(alice_privateKey)

    var bob_privateKey = new bitcore.PrivateKey();
    console.log(bob_privateKey)

    var alice_publicKey = new bitcore.PublicKey(alice_privateKey);
    console.log(alice_publicKey)

    var bob_publicKey = new bitcore.PublicKey(bob_privateKey);
    console.log(bob_publicKey)

    var publicKeys = [alice_publicKey, bob_publicKey];
    var threshold = 2;

    /**
     * Create MultiSig Wallet
     */

    // var address = new bitcore.Address(publicKeys, threshold, Networks.testnet);
    // console.log(address)

    /**
     * First Step Signature
     */
    var multiSigTx = new bitcore.Transaction()
      .from(utxo, publicKeys, threshold)
      .to('mm67v72VEg4QnQyXHiSnwVYyTugp1JYWVj', 10 * 100000000)
      .change('2N2Ww3EPc9gC8hPycHn8rxZLjy1eEfsbw5y')
      .sign(alice_privateKey);

    console.log('multiSigTx', multiSigTx)

    var serialized = multiSigTx.toObject();

    /**
     * Second Step Signature
     */
    var nextSigTx = new bitcore.Transaction(serialized)
      .sign(bob_privateKey);

    console.log('nextSigTx', nextSigTx)

    console.log(nextSigTx.isFullySigned());

    /**
     * Bordcast to the Network
     */
    rpc.sendRawTransaction(nextSigTx.toString(), function (err, res) {
      console.log(res)

      rpc.sendToAddress('2N2Ww3EPc9gC8hPycHn8rxZLjy1eEfsbw5y', 25, function (err, res) {
        console.log(res)

        rpc.generate(1, function (err, res) {
          console.log(res)
        })
      })
    })
  })

  // rpc.sendToAddress(address.toString(), 25, function(err, res){
  //     console.log(res)
  // })

  // rpc.generate(1, function(err, res){
  //     console.log(res)
  // })

  // let new_address = ''

  // rpc.getnewaddress(function(err, res){
  //     new_address = res.result
  //     console.log(res)
  // })

  // rpc.sendToAddress(address.toString(), 25, function(err, res){
  //     console.log(res)
  // })

};

run();