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1a5a26d659
It doesn't do much work, but it does parse the gossmap file and extract nodes and channels. [ Fixup by Michael Schmoock <michael@schmoock.net> ] Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
39 lines
1016 B
Python
39 lines
1016 B
Python
from pyln.client import Gossmap
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import os.path
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import lzma
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def unxz_data_tmp(src, tmp_path, dst, wmode):
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fulldst = os.path.join(tmp_path, dst)
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with open(fulldst, wmode) as out:
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with lzma.open(os.path.join(os.path.dirname(__file__), "data", src), "rb")as f:
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out.write(f.read())
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return fulldst
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def test_gossmap(tmp_path):
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sfile = unxz_data_tmp("gossip_store-part1.xz", tmp_path, "gossip_store", "xb")
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g = Gossmap(sfile)
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chans = len(g.channels)
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nodes = len(g.nodes)
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g.refresh()
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assert chans == len(g.channels)
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assert nodes == len(g.nodes)
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# Now append.
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unxz_data_tmp("gossip_store-part2.xz", tmp_path, "gossip_store", "ab")
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g.refresh()
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# It will notice the new ones.
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assert chans < len(g.channels)
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assert nodes < len(g.nodes)
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# Whole load at the same time gives the same results.
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g2 = Gossmap(sfile)
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assert set(g.channels.keys()) == set(g2.channels.keys())
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assert set(g.nodes.keys()) == set(g2.nodes.keys())
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