| 216 | |
| 217 | |
| 218 | class PongMessage: |
| 219 | command = b'pong' |
| 220 | |
| 221 | def __init__(self, nonce): |
| 222 | self.nonce = nonce |
| 223 | |
| 224 | def parse(cls, s): |
| 225 | nonce = s.read(8) |
| 226 | return cls(nonce) |
| 227 | |
| 228 | def serialize(self): |
| 229 | return self.nonce |
| 230 | |
| 231 | |
| 232 | class GetHeadersMessage: |