@node-dlc/wire/__tests__/messages/ShutdownChannelMessage.spec.ts

Lightning Network Wire Protocol

import { ChannelId } from '@node-dlc/common';
import { expect } from 'chai';

import { ShutdownMessage } from '../../lib/messages/ShutdownMessage';

describe('ShutdownChannelMessage', () => {
  describe('.deserialize', () => {
    it('should deserialize without error', () => {
      const input = Buffer.from(
                "0026"+ // type
                "0000000000000000000000000000000000000000000000000000000000000000" +    // Channel ID
                "0015" +  //len
                "00a41a8527eab06efc0a8df57045d247784a071e23" //p2wpkh 
                 ,"hex"); // prettier-ignore
      const result = ShutdownMessage.deserialize(input);
      expect(result.type).to.equal(38);
      expect(result.channelId.toString()).to.equal("0000000000000000000000000000000000000000000000000000000000000000"); // prettier-ignore
      expect(result.scriptPubKey.toString("hex")).to.equal("00a41a8527eab06efc0a8df57045d247784a071e23"); // prettier-ignore
    });
  });
  describe('.serialize', () => {
    it('should serialize a message', () => {
      const instance = new ShutdownMessage();
      instance.channelId = new ChannelId(Buffer.from("0000000000000000000000000000000000000000000000000000000000000000", "hex")); // prettier-ignore
      instance.scriptPubKey = Buffer.from("00a41a8527eab06efc0a8df57045d247784a071e23", "hex"); // prettier-ignore

      const result = instance.serialize();
      expect(result.toString('hex')).to.equal(
        '0026' +
          '0000000000000000000000000000000000000000000000000000000000000000' +
          '0015' +
          '00a41a8527eab06efc0a8df57045d247784a071e23',
      );
    });
  });
});