code: function writeAttenuationScript(attenuation_string, from_tx, from_index, address, buffer, offset) {
      let attenuation_buffer = Buffer.from(attenuation_string.toString('hex'));
      offset += bufferutils.writeVarInt(buffer, 26 + attenuation_string.length + 40, offset);
      offset = buffer.writeUInt8(77, offset);
      offset = buffer.writeInt16LE(attenuation_string.length, offset);
      offset += attenuation_buffer.copy(buffer, offset);
      offset = buffer.writeUInt8(36, offset);
      let hash = Buffer.from((from_tx != undefined) ? from_tx : '0000000000000000000000000000000000000000000000000000000000000000', 'hex').reverse();
      let index = Buffer.from('ffffffff', 'hex');
      if (from_index != undefined)
          index.writeInt32LE(from_index, 0);
      offset += Buffer.concat([hash, index]).copy(buffer, offset);
      offset = buffer.writeUInt8(178, offset);
      offset = buffer.writeUInt8(OPS.OP_DUP, offset);
      offset = buffer.writeUInt8(OPS.OP_HASH160, offset);
      //Write previous output address
      offset = buffer.writeUInt8(20, offset); //Address length
      offset += Buffer.from(base58check.decode(address, 'hex').data, 'hex').copy(buffer, offset);
      //Static transfer stuff
      offset = buffer.writeUInt8(OPS.OP_EQUALVERIFY, offset);
      offset = buffer.writeUInt8(OPS.OP_CHECKSIG, offset);
      return offset;
  }
docs: Write p2pkh attenuation script to the given buffer.
  @param {String} attenuation_string
  @param {String} from_tx
  @param {number} index
  @param {String} address
  @param {Buffer} buffer
  @param {Number} offset
  @returns {Number} new offset