def handle_sub_proto_msg(self, cmd: Command, msg: _DecodedMsgType) -> None:
if isinstance(cmd, Announce):
self.head_info = cmd.as_head_info(msg)
self.head_td = self.head_info.total_difficulty
self.head_hash = self.head_info.block_hash
super().handle_sub_proto_msg(cmd, msg)
async def process_sub_proto_handshake(
self, cmd: protocol.Command, msg: protocol._DecodedMsgType) -> None:
if not isinstance(cmd, (les.Status, les.StatusV2)):
self.disconnect(DisconnectReason.subprotocol_error)
raise HandshakeFailure(
"Expected a LES Status msg, got {}, disconnecting".format(cmd))
msg = cast(Dict[str, Any], msg)
if msg['networkId'] != self.network_id:
self.disconnect(DisconnectReason.useless_peer)
raise HandshakeFailure(
"{} network ({}) does not match ours ({}), disconnecting".format(
self, msg['networkId'], self.network_id))
genesis = await self.genesis
if msg['genesisHash'] != genesis.hash:
self.disconnect(DisconnectReason.useless_peer)
raise HandshakeFailure(
"{} genesis ({}) does not match ours ({}), disconnecting".format(
self, encode_hex(msg['genesisHash']), genesis.hex_hash))
# TODO: Disconnect if the remote doesn't serve headers.
self.head_info = cmd.as_head_info(msg)
async def process_sub_proto_handshake(
self, cmd: protocol.Command, msg: protocol._DecodedMsgType) -> None:
if not isinstance(cmd, (les.Status, les.StatusV2)):
self.disconnect(DisconnectReason.other)
raise HandshakeFailure(
"Expected a LES Status msg, got {}, disconnecting".format(cmd))
msg = cast(Dict[str, Any], msg)
if msg['networkId'] != self.network_id:
self.disconnect(DisconnectReason.other)
raise HandshakeFailure(
"{} network ({}) does not match ours ({}), disconnecting".format(
self, msg['networkId'], self.network_id))
genesis = await self.genesis
if msg['genesisHash'] != genesis.hash:
self.disconnect(DisconnectReason.other)
raise HandshakeFailure(
"{} genesis ({}) does not match ours ({}), disconnecting".format(
self, encode_hex(msg['genesisHash']), genesis.hex_hash))
# TODO: Disconnect if the remote doesn't serve headers.
self.head_info = cmd.as_head_info(msg)