All files / lib/messages GossipTimestampFilterMessage.ts

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
1x
 
1x
 
 
1x
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
import { BufferReader, BufferWriter } from '@node-dlc/bufio';
 
import { MessageType } from '../MessageType';
import { IWireMessage } from './IWireMessage';
 
export class GossipTimestampFilterMessage implements IWireMessage {
  public static deserialize(payload: Buffer): GossipTimestampFilterMessage {
    const instance = new GossipTimestampFilterMessage();
    const reader = new BufferReader(payload);
    reader.readUInt16BE(); // read off type
    instance.chainHash = reader.readBytes(32);
    instance.firstTimestamp = reader.readUInt32BE();
    instance.timestampRange = reader.readUInt32BE();
    return instance;
  }
 
  public type: MessageType = MessageType.GossipTimestampFilter;
  public chainHash: Buffer;
  public firstTimestamp: number;
  public timestampRange: number;
 
  public serialize(): Buffer {
    const len =
      2 + // type
      32 + // chain_hash
      4 + // first_timestamp
      4; // timestamp_range
 
    const writer = new BufferWriter(Buffer.alloc(len));
 
    writer.writeUInt16BE(this.type);
    writer.writeBytes(this.chainHash);
    writer.writeUInt32BE(this.firstTimestamp);
    writer.writeUInt32BE(this.timestampRange);
    return writer.toBuffer();
  }
}