fix: lndrest nodemanager get_channel (flaky ci decoy) (#2877)

lnbits/nodes/lndrest.py

@@ -220,10 +220,21 @@ class LndRestNode(Node):
 
     async def get_channel(self, channel_id: str) -> Optional[NodeChannel]:
         channel_info = await self.get(f"/v1/graph/edge/{channel_id}")
-        peer_id = channel_info["node2_pub"]
+        info = await self.get("/v1/getinfo")
+        if info["identity_pubkey"] == channel_info["node1_pub"]:
+            my_node_key = "node1"
+            peer_node_key = "node2"
+        else:
+            my_node_key = "node2"
+            peer_node_key = "node1"
+        peer_id = channel_info[f"{peer_node_key}_pub"]
         peer_b64 = _encode_urlsafe_bytes(peer_id)
         channels = await self.get(f"/v1/channels?peer={peer_b64}")
         if "error" in channel_info and "error" in channels:
+            logger.debug("LND get_channel", channels)
+            return None
+        if len(channels["channels"]) == 0:
+            logger.debug(f"LND get_channel no channels founds with id {peer_b64}")
             return None
         for channel in channels["channels"]:
             if channel["chan_id"] == channel_id:
@@ -238,8 +249,12 @@ class LndRestNode(Node):
                         if channel["active"]
                         else ChannelState.INACTIVE
                     ),
-                    fee_ppm=channel_info["node1_policy"]["fee_rate_milli_msat"],
-                    fee_base_msat=channel_info["node1_policy"]["fee_base_msat"],
+                    fee_ppm=channel_info[f"{my_node_key}_policy"][
+                        "fee_rate_milli_msat"
+                    ],
+                    fee_base_msat=channel_info[f"{my_node_key}_policy"][
+                        "fee_base_msat"
+                    ],
                     point=_parse_channel_point(channel["channel_point"]),
                     balance=ChannelBalance(
                         local_msat=msat(channel["local_balance"]),