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pyln-client/gossmap: Don't mix bytes and GossmapNodeId

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Do not mix bytes and GossmapNodeId when accessing Gossmap.nodes dicts.

Therefore the definion got GossmapNodeId also needed to be pulled to the
beginning of the file.
This commit is contained in:
Michael Schmoock 2021-09-08 06:25:21 +09:30 • committed by Rusty Russell
parent ac27217114
commit ba2bcac530
1 changed files with 32 additions and 32 deletions
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64
contrib/pyln-client/pyln/client/gossmap.py
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@ -49,14 +49,43 @@ class GossmapHalfchannel(object):
return "GossmapHalfchannel[{}x{}]".format(str(self.channel.scid), self.direction)
class GossmapNodeId(object):
def __init__(self, buf: bytes):
if len(buf) != 33 or (buf[0] != 2 and buf[0] != 3):
raise ValueError("{} is not a valid node_id".format(buf.hex()))
self.nodeid = buf
def to_pubkey(self) -> PublicKey:
return PublicKey(self.nodeid)
def __eq__(self, other):
if not isinstance(other, GossmapNodeId):
return False
return self.nodeid == other.nodeid
def __hash__(self):
return self.nodeid.__hash__()
def __repr__(self):
return "GossmapNodeId[{}]".format(self.nodeid.hex())
def from_str(self, s: str):
if s.startswith('0x'):
s = s[2:]
if len(s) != 67:
raise ValueError(f"{s} is not a valid hexstring of a node_id")
return GossmapNodeId(bytes.fromhex(s))
class GossmapChannel(object):
"""A channel: fields of channel_announcement are in .fields, optional updates are in .updates_fields, which can be None if there has been no channel update."""
def __init__(self,
fields: Dict[str, Any],
announce_offset: int,
scid,
node1_id: bytes,
node2_id: bytes,
node1_id: GossmapNodeId,
node2_id: GossmapNodeId,
is_private: bool):
self.fields = fields
self.announce_offset = announce_offset
@ -95,35 +124,6 @@ class GossmapChannel(object):
return "GossmapChannel[{}]".format(str(self.scid))
class GossmapNodeId(object):
def __init__(self, buf: bytes):
if len(buf) != 33 or (buf[0] != 2 and buf[0] != 3):
raise ValueError("{} is not a valid node_id".format(buf.hex()))
self.nodeid = buf
def to_pubkey(self) -> PublicKey:
return PublicKey(self.nodeid)
def __eq__(self, other):
if not isinstance(other, GossmapNodeId):
return False
return self.nodeid == other.nodeid
def __hash__(self):
return self.nodeid.__hash__()
def __repr__(self):
return "GossmapNodeId[{}]".format(self.nodeid.hex())
def from_str(self, s: str):
if s.startswith('0x'):
s = s[2:]
if len(s) != 67:
raise ValueError(f"{s} is not a valid hexstring of a node_id")
return GossmapNodeId(bytes.fromhex(s))
class GossmapNode(object):
"""A node: fields of node_announcement are in .announce_fields, which can be None of there has been no node announcement.
@ -145,7 +145,7 @@ class Gossmap(object):
self.store_filename = store_filename
self.store_file = open(store_filename, "rb")
self.store_buf = bytes()
self.nodes: Dict[bytes, GossmapNode] = {}
self.nodes: Dict[GossmapNodeId, GossmapNode] = {}
self.channels: Dict[ShortChannelId, GossmapChannel] = {}
self._last_scid: str = None
version = self.store_file.read(1)