AaronFiore/electrum
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path finding: minor clean-up

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This commit is contained in:
SomberNight
2018-10-15 21:01:08 +02:00
committed by ThomasV
parent eabe23f6b8
commit a91e244a05
2 changed files with 10 additions and 7 deletions
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5
electrum/lnrouter.py
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@@ -519,7 +519,7 @@ class LNPathFinder(PrintError):
@profiler
def find_path_for_payment(self, from_node_id: bytes, to_node_id: bytes,
amount_msat: int=None, my_channels: dict={}) -> Sequence[Tuple[bytes, bytes]]:
amount_msat: int=None, my_channels: List=None) -> Sequence[Tuple[bytes, bytes]]:
"""Return a path between from_node_id and to_node_id.
Returns a list of (node_id, short_channel_id) representing a path.
@@ -527,7 +527,8 @@ class LNPathFinder(PrintError):
i.e. an element reads as, "to get to node_id, travel through short_channel_id"
"""
if amount_msat is not None: assert type(amount_msat) is int
unable_channels = set(map(lambda x: x.short_channel_id, filter(lambda x: not x.can_pay(amount_msat), my_channels.values())))
if my_channels is None: my_channels = []
unable_channels = set(map(lambda x: x.short_channel_id, filter(lambda x: not x.can_pay(amount_msat), my_channels)))
# TODO find multiple paths??