def test_utility_function(self):
with self.assertRaises(ValueError) as context:
encode_base62(-100)
self.assertIn("cannot encode negative numbers", str(context.exception))
self.assertEqual('0', encode_base62(0))
self.assertEqual('w1R', encode_base62(123123))
def __init__(self, protocol):
self.protocol = protocol
#: payloads.NetworkAddress: Address of the remote endpoint.
self.address = payloads.NetworkAddress(
state=payloads.AddressState.DEAD)
self.nodeid: int = id(self) #: int: Unique identifier.
self.nodeid_human: str = encode_base62(
self.nodeid) #: str: Human readable id.
self.version = None
self.tasks = []
self.nodeweight = nodeweight.NodeWeight(self.nodeid)
self.best_height: int = 0 #: int: Best block height of node.
self.best_height_last_update = datetime.utcnow().timestamp()
self._read_task = None # type: asyncio.Task
#: bool: Whether the node is in the process of disconnecting and shutting down its tasks.
self.disconnecting: bool = False
#: Dict[message.MessageType, Callable[[message.Message], None]]: A table matching message types to handler
#: functions.
self.dispatch_table: Dict[message.MessageType, Callable[
[message.Message], None]] = {
message.MessageType.ADDR: self.handler_addr,
message.MessageType.BLOCK: self.handler_block,
message.MessageType.CONSENSUS: self.handler_consensus,
message.MessageType.INV: self.handler_inv,
message.MessageType.FILTERADD: self.handler_filteradd,
message.MessageType.FILTERCLEAR: self.handler_filterclear,
message.MessageType.FILTERLOAD: self.handler_filterload,
message.MessageType.GETADDR: self.handler_getaddr,
message.MessageType.GETBLOCKS: self.handler_getblocks,
message.MessageType.GETBLOCKDATA: self.handler_getblockdata,
message.MessageType.GETDATA: self.handler_getdata,
message.MessageType.GETHEADERS: self.handler_getheaders,
message.MessageType.HEADERS: self.handler_headers,
message.MessageType.MEMPOOL: self.handler_mempool,
message.MessageType.MERKLEBLOCK: self.handler_merkleblock,
message.MessageType.PING: self.handler_ping,
message.MessageType.PONG: self.handler_pong,
message.MessageType.TRANSACTION: self.handler_transaction
}