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pyln-client/gossmap: have channels link to their nodes instead of id

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This is likely easier for programmers and does not use more mem as we
already load all this.
This commit is contained in:
Michael Schmoock 2021-09-08 06:25:21 +09:30 • committed by Rusty Russell
parent 4ad4ed8d17
commit de6c593272
1 changed files with 17 additions and 15 deletions
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32
contrib/pyln-client/pyln/client/gossmap.py
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@ -85,15 +85,15 @@ class GossmapChannel(object):
fields: Dict[str, Any],
announce_offset: int,
scid,
node1_id: GossmapNodeId,
node2_id: GossmapNodeId,
node1: 'GossmapNode',
node2: 'GossmapNode',
is_private: bool):
self.fields = fields
self.announce_offset = announce_offset
self.is_private = is_private
self.scid = scid
self.node1_id = node1_id
self.node2_id = node2_id
self.node1 = node1
self.node2 = node2
self.updates_fields: List[Optional[Dict[str, Any]]] = [None, None]
self.updates_offset: List[Optional[int]] = [None, None]
self.satoshis = None
@ -159,21 +159,16 @@ class Gossmap(object):
fields: Dict[str, Any],
announce_offset: int,
scid: ShortChannelId,
node1_id: GossmapNodeId,
node2_id: GossmapNodeId,
node1: GossmapNode,
node2: GossmapNode,
is_private: bool):
c = GossmapChannel(fields, announce_offset,
scid, node1_id, node2_id,
scid, node1, node2,
is_private)
if node1_id not in self.nodes:
self.nodes[node1_id] = GossmapNode(node1_id)
if node2_id not in self.nodes:
self.nodes[node2_id] = GossmapNode(node2_id)
self._last_scid = scid
self.channels[scid] = c
self.nodes[node1_id].channels.append(c)
self.nodes[node2_id].channels.append(c)
node1.channels.append(c)
node2.channels.append(c)
def _del_channel(self, scid: ShortChannelId):
c = self.channels[scid]
@ -189,9 +184,16 @@ class Gossmap(object):
def add_channel(self, rec: bytes, off: int, is_private: bool):
fields = channel_announcement.read(io.BytesIO(rec[2:]), {})
# Add nodes one the fly
node1_id = GossmapNodeId(fields['node_id_1'])
node2_id = GossmapNodeId(fields['node_id_2'])
if node1_id not in self.nodes:
self.nodes[node1_id] = GossmapNode(node1_id)
if node2_id not in self.nodes:
self.nodes[node2_id] = GossmapNode(node2_id)
self._new_channel(fields, off,
ShortChannelId.from_int(fields['short_channel_id']),
GossmapNodeId(fields['node_id_1']), GossmapNodeId(fields['node_id_2']),
self.get_node(node1_id), self.get_node(node2_id),
is_private)
def _set_channel_amount(self, rec: bytes):