message: test(core): stx isValidPub/isValidPrv now support extended keys
diff: @@ -47,6 +47,7 @@ describe('STX:', function() {
  const keyPair = basecoin.generateKeyPair();
  keyPair.should.have.property('pub');
  keyPair.should.have.property('prv');
  + basecoin.isValidPub(keyPair.pub).should.equal(true);
  });
  it('should generate a keypair from a seed', function() {
  