mcore-lib-matrixbit/test/transaction/input/publickey.js

A pure and powerful JavaScript Bitcoin Cash library.

'use strict';

var bitcore = require('../../..');
var Transaction = bitcore.Transaction;
var PrivateKey = bitcore.PrivateKey;

describe('PublicKeyInput', function() {

  var utxo = {
    txid: '33e435fe6217a726351781ac96286c7c4ad25c9bd939cf1dde9095c75e50f2d1',
    vout: 0,
    address: 'mbxtest:qznww8t5qne2ftsr4eyr47c7wvq6wf6t4s76dxn0q5',
    scriptPubKey: '2103cdcc435ff3e7f706c06a4584ff26b37d0fda8c17def85e3c7e434a310d81f4a0ac',
    amount: 50,
    confirmations: 104,
    spendable: true
  };
  var privateKey = PrivateKey.fromWIF('cT8XXY1R6srqP5TM9wsnvoZGqKTbR881oAX1ABNqidTRLXboSHBa');
  var address = privateKey.toAddress();
  utxo.address.should.equal(address.toString());

  var destKey = new PrivateKey();

  it('will correctly sign a publickey out transaction', function() {
    var tx = new Transaction();
    tx.from(utxo);
    tx.to(destKey.toAddress(), 10000);
    tx.sign(privateKey);
    tx.inputs[0].script.toBuffer().length.should.be.above(0);
  });

  it('count can count missing signatures', function() {
    var tx = new Transaction();
    tx.from(utxo);
    tx.to(destKey.toAddress(), 10000);
    var input = tx.inputs[0];
    input.isFullySigned().should.equal(false);
    tx.sign(privateKey);
    input.isFullySigned().should.equal(true);
  });

  it('it\'s size can be estimated', function() {
    var tx = new Transaction();
    tx.from(utxo);
    tx.to(destKey.toAddress(), 10000);
    var input = tx.inputs[0];
    input._estimateSize().should.equal(73);
  });

  it('it\'s signature can be removed', function() {
    var tx = new Transaction();
    tx.from(utxo);
    tx.to(destKey.toAddress(), 10000);
    var input = tx.inputs[0];
    tx.sign(privateKey);
    input.isFullySigned().should.equal(true);
    input.clearSignatures();
    input.isFullySigned().should.equal(false);
  });

  it('returns an empty array if private key mismatches', function() {
    var tx = new Transaction();
    tx.from(utxo);
    tx.to(destKey.toAddress(), 10000);
    var input = tx.inputs[0];
    var signatures = input.getSignatures(tx, new PrivateKey(), 0);
    signatures.length.should.equal(0);
  });

});