Method fromPush

lib/script/opcode.js:455–474

* Instantiate a pushdata opcode from a * buffer (this differs from fromData in * that it will _always_ be a pushdata op). * @param {Buffer} data * @returns {Opcode}

(data)

   */

  static fromPush(data) {
    assert(Buffer.isBuffer(data));

    if (data.length === 0)
      return this.fromOp(opcodes.OP_0);

    if (data.length <= 0x4b)
      return new this(data.length, data);

    if (data.length <= 0xff)
      return new this(opcodes.OP_PUSHDATA1, data);

    if (data.length <= 0xffff)
      return new this(opcodes.OP_PUSHDATA2, data);

    if (data.length <= 0xffffffff)
      return new this(opcodes.OP_PUSHDATA4, data);

    throw new Error('Pushdata size too large.');
  }

  /**
   * Instantiate a pushdata opcode from a string.