All files / lib/serialize/address serializeTor2.ts

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import { BufferWriter } from '@node-dlc/bufio';
 
import { AddressTor2 } from '../../domain/AddressTor2';
import { torStringToBuffer } from './torStringToBuffer';
 
/**
 * Serializes a Tor v2 address in a Buffer that can be sent
 * over the wire.
 */
export function serializeTor2(address: AddressTor2): Buffer {
  const writer = new BufferWriter(Buffer.alloc(13));
 
  const hostBytes = torStringToBuffer(address.host);
 
  writer.writeUInt8(address.type);
  writer.writeBytes(hostBytes);
  writer.writeUInt16BE(address.port);
 
  return writer.toBuffer();
}