Class Script

lib/script/script.js:47–3324

* Script * Represents a input or output script. * @alias module:script.Script * @property {Array} code - Parsed script code. * @property {Buffer?} raw - Serialized script. * @property {Number} length - Number of parsed opcodes.

 */

class Script {
  /**
   * Create a script.
   * @constructor
   * @param {Buffer|Array|Object} code
   */

  constructor(options) {
    this.raw = EMPTY_BUFFER;
    this.code = [];

    if (options)
      this.fromOptions(options);
  }

  /**
   * Get length.
   * @returns {Number}
   */

  get length() {
    return this.code.length;
  }

  /**
   * Set length.
   * @param {Number} value
   */

  set length(value) {
    this.code.length = value;
  }

  /**
   * Inject properties from options object.
   * @private
   * @param {Object} options
   */

  fromOptions(options) {
    assert(options, 'Script data is required.');

    if (Buffer.isBuffer(options))
      return this.fromRaw(options);

    if (Array.isArray(options))
      return this.fromArray(options);

    if (options.raw) {
      if (!options.code)
        return this.fromRaw(options.raw);
      assert(Buffer.isBuffer(options.raw), 'Raw must be a Buffer.');
      this.raw = options.raw;
    }

    if (options.code) {
      if (!options.raw)
        return this.fromArray(options.code);