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lnpeer reply_channel_range: handle lnd

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This commit is contained in:
SomberNight
2019-05-14 20:52:07 +02:00
committed by ThomasV
parent 0e42fd9f17
commit afc5717cf0
1 changed files with 20 additions and 3 deletions
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23
electrum/lnpeer.py
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@@ -230,6 +230,20 @@ class Peer(Logger):
self.query_channel_range(req_index, req_num)
intervals = []
ids = set()
# note: implementations behave differently...
# "sane implementation that follows BOLT-07" example:
# query_channel_range. <<< first_block 497000, num_blocks 79038
# on_reply_channel_range. >>> first_block 497000, num_blocks 39516, num_ids 4648, complete True
# on_reply_channel_range. >>> first_block 536516, num_blocks 19758, num_ids 5734, complete True
# on_reply_channel_range. >>> first_block 556274, num_blocks 9879, num_ids 13712, complete True
# on_reply_channel_range. >>> first_block 566153, num_blocks 9885, num_ids 18114, complete True
# lnd example:
# query_channel_range. <<< first_block 497000, num_blocks 79038
# on_reply_channel_range. >>> first_block 497000, num_blocks 79038, num_ids 8000, complete False
# on_reply_channel_range. >>> first_block 497000, num_blocks 79038, num_ids 8000, complete False
# on_reply_channel_range. >>> first_block 497000, num_blocks 79038, num_ids 8000, complete False
# on_reply_channel_range. >>> first_block 497000, num_blocks 79038, num_ids 8000, complete False
# on_reply_channel_range. >>> first_block 497000, num_blocks 79038, num_ids 5344, complete True
while True:
index, num, complete, _ids = await self.reply_channel_range.get()
ids.update(_ids)
@@ -238,11 +252,13 @@ class Peer(Logger):
while len(intervals) > 1:
a,b = intervals[0]
c,d = intervals[1]
if b == c:
if not (a <= c and a <= b and c <= d):
raise Exception(f"insane reply_channel_range intervals {(a,b,c,d)}")
if b >= c:
intervals = [(a,d)] + intervals[2:]
else:
break
if len(intervals) == 1:
if len(intervals) == 1 and complete:
a, b = intervals[0]
if a <= req_index and b >= req_index + req_num:
break
@@ -283,9 +299,10 @@ class Peer(Logger):
def on_reply_channel_range(self, payload):
first = int.from_bytes(payload['first_blocknum'], 'big')
num = int.from_bytes(payload['number_of_blocks'], 'big')
complete = bool(payload['complete'])
complete = bool(int.from_bytes(payload['complete'], 'big'))
encoded = payload['encoded_short_ids']
ids = self.decode_short_ids(encoded)
#self.logger.info(f"on_reply_channel_range. >>> first_block {first}, num_blocks {num}, num_ids {len(ids)}, complete {repr(payload['complete'])}")
self.reply_channel_range.put_nowait((first, num, complete, ids))
def query_short_channel_ids(self, ids, compressed=True):