def test_get_v5_topic():
les_topic = discovery.get_v5_topic(LESProtocolV1,
ROPSTEN_GENESIS_HEADER.hash)
assert les_topic == b'LES@41941023680923e0'
les2_topic = discovery.get_v5_topic(LESProtocolV2,
ROPSTEN_GENESIS_HEADER.hash)
assert les2_topic == b'LES2@41941023680923e0'
def get_discv5_topic(trinity_config: TrinityConfig, protocol: Type[Protocol]) -> bytes:
db_manager = create_db_consumer_manager(trinity_config.database_ipc_path)
header_db = db_manager.get_headerdb() # type: ignore
genesis_hash = header_db.get_canonical_block_hash(BlockNumber(GENESIS_BLOCK_NUMBER))
return get_v5_topic(protocol, genesis_hash)
def _get_discv5_topic(self) -> bytes:
genesis_hash = self.headerdb.get_canonical_block_hash(
BlockNumber(GENESIS_BLOCK_NUMBER))
# For now DiscoveryByTopicProtocol supports a single topic, so we use the latest version
# of our supported protocols.
proto = self.peer_class._supported_sub_protocols[-1]
return get_v5_topic(proto, genesis_hash)
def get_discv5_topic(trinity_config: TrinityConfig,
protocol: Type[Protocol]) -> bytes:
db = DBClient.connect(trinity_config.database_ipc_path)
header_db = HeaderDB(db)
genesis_hash = header_db.get_canonical_block_hash(
BlockNumber(GENESIS_BLOCK_NUMBER))
return get_v5_topic(protocol, genesis_hash)
def get_discv5_topic(trinity_config: TrinityConfig, protocol: Protocol):
db_manager = create_db_manager(trinity_config.database_ipc_path)
db_manager.connect()
header_db = db_manager.get_headerdb()
genesis_hash = header_db.get_canonical_block_hash(
BlockNumber(GENESIS_BLOCK_NUMBER))
return get_v5_topic(protocol, genesis_hash)
