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

Lightning Network Wire Protocol

import { expect } from 'chai';

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

describe('QueryChannelRangeMessage', () => {
  describe('.deserialize', () => {
    it('standard message', () => {
      const payload = Buffer.from("010743497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea3309000000000018df30000007d0", "hex"); // prettier-ignore
      // query_channel_range
      // 0107 - type 263
      // 43497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea330900000000 - chain_hash
      // 0018df30 - first_blocknum 1630000
      // 000007d0 - number_of_blocks 2000
      const msg = QueryChannelRangeMessage.deserialize(payload);
      expect(msg.type).to.equal(263);
      expect(msg.chainHash.toString("hex")).to.equal("43497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea330900000000"); // prettier-ignore
      expect(msg.firstBlocknum).to.equal(1630000);
      expect(msg.numberOfBlocks).to.equal(2000);
    });

    it('message with timestamp option', () => {
      const payload = Buffer.from("010743497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea3309000000000018df30000007d0010101", "hex"); // prettier-ignore
      // query_channel_range
      // 0107 - type 263
      // 43497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea330900000000 - chain_hash
      // 0018df30 - first_blocknum 1630000
      // 000007d0 - number_of_blocks 2000
      // 01 - TLV type 1
      // 01 - TLV length 1 byte
      // 01 - query option bitmask enable timestamp
      const msg = QueryChannelRangeMessage.deserialize(payload);
      expect(msg.type).to.equal(263);
      expect(msg.chainHash.toString("hex")).to.equal("43497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea330900000000"); // prettier-ignore
      expect(msg.firstBlocknum).to.equal(1630000);
      expect(msg.numberOfBlocks).to.equal(2000);
      expect(msg.timestamps).to.equal(true);
    });

    it('message with timestamp and checksum options', () => {
      const payload = Buffer.from("010743497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea3309000000000018df30000007d0010103", "hex"); // prettier-ignore
      // query_channel_range
      // 0107 - type 263
      // 43497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea330900000000 - chain_hash
      // 0018df30 - first_blocknum 1630000
      // 000007d0 - number_of_blocks 2000
      // 01 - TLV type 1
      // 01 - TLV length 1 byte
      // 03 - query option bitmask enable timestamp and checksum
      const msg = QueryChannelRangeMessage.deserialize(payload);
      expect(msg.type).to.equal(263);
      expect(msg.chainHash.toString("hex")).to.equal("43497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea330900000000"); // prettier-ignore
      expect(msg.firstBlocknum).to.equal(1630000);
      expect(msg.numberOfBlocks).to.equal(2000);
      expect(msg.timestamps).to.equal(true);
      expect(msg.checksums).to.equal(true);
    });
  });

  describe('.serialize', () => {
    it('standard message', () => {
      const msg = new QueryChannelRangeMessage();
      msg.chainHash = Buffer.from(
        '43497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea330900000000',
        'hex',
      );
      msg.firstBlocknum = 1630000;
      msg.numberOfBlocks = 2000;
      expect(msg.serialize().toString('hex')).to.equal(
        '010743497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea3309000000000018df30000007d0',
      );
    });

    it('message with timestamp option', () => {
      const msg = new QueryChannelRangeMessage();
      msg.chainHash = Buffer.from(
        '43497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea330900000000',
        'hex',
      );
      msg.firstBlocknum = 1630000;
      msg.numberOfBlocks = 2000;
      msg.checksums = true;
      expect(msg.serialize().toString('hex')).to.equal(
        '010743497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea3309000000000018df30000007d0010102',
      );
    });

    it('message with timestamp and checksum option', () => {
      const msg = new QueryChannelRangeMessage();
      msg.chainHash = Buffer.from(
        '43497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea330900000000',
        'hex',
      );
      msg.firstBlocknum = 1630000;
      msg.numberOfBlocks = 2000;
      msg.checksums = true;
      msg.timestamps = true;
      expect(msg.serialize().toString('hex')).to.equal(
        '010743497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea3309000000000018df30000007d0010103',
      );
    });
  });
});