Method isPubkeyInput

lib/script/script.js:2239–2246

* "Guess" whether the input script is pay-to-pubkey. * This method is not 100% reliable. * @returns {Boolean}

()

   */

  isPubkeyInput() {
    if (this.code.length !== 1)
      return false;

    const size = this.getLength(0);

    return size >= 9 && size <= 73;
  }

  /**
   * Get P2PK signature if present.