@owstack/bch-lib/test/transaction/input/multisigscripthash.js

A Javascript library to build bitcoin cash and blockchain-based applications.

'use strict';
/* jshint unused: false */

var expect = require('chai').expect;
var should = require('chai').should();

var owsCommon = require('@owstack/ows-common');
var keyLib = require('@owstack/key-lib');
var bchLib = require('../../..');
var Address = bchLib.Address;
var PrivateKey = keyLib.PrivateKey;
var MultiSigScriptHashInput = bchLib.Transaction.Input.MultiSigScriptHash;
var Script = bchLib.Script;
var Signature = keyLib.crypto.Signature;
var Transaction = bchLib.Transaction;
var lodash = owsCommon.deps.lodash;

describe('MultiSigScriptHashInput', function() {

  var privateKey1 = new PrivateKey('KwF9LjRraetZuEjR8VqEq539z137LW5anYDUnVK11vM3mNMHTWb4');
  var privateKey2 = new PrivateKey('L4PqnaPTCkYhAqH3YQmefjxQP6zRcF4EJbdGqR8v6adtG9XSsadY');
  var privateKey3 = new PrivateKey('L4CTX79zFeksZTyyoFuPQAySfmP7fL3R41gWKTuepuN7hxuNuJwV');
  var public1 = privateKey1.publicKey;
  var public2 = privateKey2.publicKey;
  var public3 = privateKey3.publicKey;
  var address = new Address('33zbk2aSZYdNbRsMPPt6jgy6Kq1kQreqeb');

  var output = {
    address: '33zbk2aSZYdNbRsMPPt6jgy6Kq1kQreqeb',
    txId: '66e64ef8a3b384164b78453fa8c8194de9a473ba14f89485a0e433699daec140',
    outputIndex: 0,
    script: new Script(address),
    satoshis: 1000000
  };
  it('can count missing signatures', function() {
    var transaction = new Transaction()
      .from(output, [public1, public2, public3], 2)
      .to(address, 1000000);
    var input = transaction.inputs[0];

    input.countSignatures().should.equal(0);

    transaction.sign(privateKey1);
    input.countSignatures().should.equal(1);
    input.countMissingSignatures().should.equal(1);
    input.isFullySigned().should.equal(false);

    transaction.sign(privateKey2);
    input.countSignatures().should.equal(2);
    input.countMissingSignatures().should.equal(0);
    input.isFullySigned().should.equal(true);
  });
  it('returns a list of public keys with missing signatures', function() {
    var transaction = new Transaction()
      .from(output, [public1, public2, public3], 2)
      .to(address, 1000000);
    var input = transaction.inputs[0];

    lodash.every(input.publicKeysWithoutSignature(), function(publicKeyMissing) {
      var serialized = publicKeyMissing.toString();
      return serialized === public1.toString() ||
              serialized === public2.toString() ||
              serialized === public3.toString();
    }).should.equal(true);
    transaction.sign(privateKey1);
    lodash.every(input.publicKeysWithoutSignature(), function(publicKeyMissing) {
      var serialized = publicKeyMissing.toString();
      return serialized === public2.toString() ||
              serialized === public3.toString();
    }).should.equal(true);
  });
  it('can clear all signatures', function() {
    var transaction = new Transaction()
      .from(output, [public1, public2, public3], 2)
      .to(address, 1000000)
      .sign(privateKey1)
      .sign(privateKey2);

    var input = transaction.inputs[0];
    input.isFullySigned().should.equal(true);
    input.clearSignatures();
    input.isFullySigned().should.equal(false);
  });
  it('can estimate how heavy is the output going to be', function() {
    var transaction = new Transaction()
      .from(output, [public1, public2, public3], 2)
      .to(address, 1000000);
    var input = transaction.inputs[0];
    input._estimateSize().should.equal(257);
  });
  it('uses SIGHASH_ALL|FORKID by default', function() {
    var transaction = new Transaction()
      .from(output, [public1, public2, public3], 2)
      .to(address, 1000000);
    var input = transaction.inputs[0];
    var sigs = input.getSignatures(transaction, privateKey1, 0);
    sigs[0].sigtype.should.equal(Signature.SIGHASH_ALL|Signature.SIGHASH_FORKID);
  });
  it('roundtrips to/from object', function() {
    var transaction = new Transaction()
      .from(output, [public1, public2, public3], 2)
      .to(address, 1000000)
      .sign(privateKey1);
    var input = transaction.inputs[0];
    var roundtrip = new MultiSigScriptHashInput(input.toObject());
    roundtrip.toObject().should.deep.equal(input.toObject());
  });
  it('roundtrips to/from object when not signed', function() {
    var transaction = new Transaction()
      .from(output, [public1, public2, public3], 2)
      .to(address, 1000000);
    var input = transaction.inputs[0];
    var roundtrip = new MultiSigScriptHashInput(input.toObject());
    roundtrip.toObject().should.deep.equal(input.toObject());
  });
});