nxtjs/test/nxt-crypto.spec.js

Local transaction signing, token creation/validation and encryption/decryption of arbitrary messages

var assert = require('assert');
var nxt = require('../index.js');

describe('account', function() {

  it('converts RS to numeric and back', function(done) {
    var acc = 'NXT-MRCC-2YLS-8M54-3CMAJ';
    var result = nxt.rsConvert(acc);
    var result2 = nxt.rsConvert(result.account);
    assert.equal(result2.accountRS, acc);
    done();
  });

  it('get public key from secret phrase', function(done) {
    var pubkey = nxt.secretPhraseToPublicKey(
      'It was a bright cold day in April, and the clocks were striking thirteen.'
    );
    assert.equal(
      pubkey,
      '1259ec21d31a30898d7cd1609f80d9668b4778e3d97e941044b39f0c44d2e51b'
    );
    done();
  });

  it('get account ID from public key', function(done) {
    var accountId = nxt.publicKeyToAccountId(
      '1259ec21d31a30898d7cd1609f80d9668b4778e3d97e941044b39f0c44d2e51b'
    );
    assert.equal(accountId, 'NXT-MRCC-2YLS-8M54-3CMAJ');
    done();
  });

  it('get account ID from public key (numeric)', function(done) {
    var accountId = nxt.publicKeyToAccountId(
      '1259ec21d31a30898d7cd1609f80d9668b4778e3d97e941044b39f0c44d2e51b',
      true
    );
    assert.equal(accountId, '1739068987193023818');
    done();
  });

  it('sign transaction bytes', function(done) {
    var unsignedTxBytes = '0010802c8805a0051dc37e55e94559b6e8ad45202ab8e87cbfd76fa2ee9920c4e12ee1d6535456179bac9ed2c24b5cdd00e1f5050000000000e1f50500000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000007ed80e00c9449dcb24d260cf';
    // Please don't empty my testnet account :P
    var secretPhrase = 'usually yard maybe limb peaceful curse serve peaceful nerve history crash bullet';
    var signedBytes = nxt.signTransactionBytes(unsignedTxBytes, secretPhrase);
    assert.equal(
      signedBytes,
      '0010802c8805a0051dc37e55e94559b6e8ad45202ab8e87cbfd76fa2ee9920c4e12ee1d6535456179bac9ed2c24b5cdd00e1f5050000000000e1f505000000000000000000000000000000000000000000000000000000000000000000000000c34622d13d2962386825f923198cd7dd94e65ae67d97927dbe843939aa0a9e0efe37038d4ee0e55599344cb83f4f28207175075e7b2dfb84521d8689ee4dcaca000000007ed80e00c9449dcb24d260cf'
    );
    done();
  });
});

describe('token', function() {
  it('generate and validate token', function(done) {

    var token = nxt.createToken('mystring', 'mypassphrase');
    var result = nxt.parseToken(token, 'mystring');
    assert.equal(result.isValid, true);

    var fail = nxt.parseToken(token, 'notmystring');
    assert.equal(fail.isValid, false);

    done();
  });
});


describe('message encryption', function() {
  it('encrypt and decrypt a message', function(done) {

    var secretPhraseRecp = 'It was a bright cold day in April, and the clocks were striking thirteen.';
    var publicKeyRecp = '1259ec21d31a30898d7cd1609f80d9668b4778e3d97e941044b39f0c44d2e51b';
    var secretPhraseSender = 'test';
    var publicKeySender = 'd9d5c57971eefb085e3abaf7a5a4a6cdb8185f30105583cdb09ad8f61886ec65';
    var message = 'hello world';
    var result = nxt.encryptMessage(message, publicKeyRecp, secretPhraseSender);
    var decrypted = nxt.decryptMessage(
      result.message,
      result.nonce,
      publicKeySender,
      secretPhraseRecp
    );
    assert.equal(decrypted, message);
    done();
  });
});