122 lines
3.8 KiB
Python
122 lines
3.8 KiB
Python
from pyln.client import Gossmap, GossmapNode, GossmapNodeId
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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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# This actually deletes a channel, which deletes a node.
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assert g.get_channel("686386x1093x1") is None
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assert g.get_node('029deaf9d2fba868fe0a124050f0a13e021519a12f41bea34f391fe7533fb3166d') is None
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# The other node is untouched
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assert g.get_node('02e0af3c70bf42343316513e54683b10c01d906c04a05dfcd9479b90d7beed9129')
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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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# Check some details
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channel2 = g.get_channel("686200x1137x0")
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assert g.get_channel("686386x1093x1") is None
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assert channel2.satoshis == 3000000
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def test_gossmap_halfchannel(tmp_path):
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""" this test a simple [l1->l2] gossip store that was created by the pyln-testing framework """
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sfile = unxz_data_tmp("gossip_store.simple.xz", tmp_path, "gossip_store", "xb")
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g = Gossmap(sfile)
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l1id = "022d223620a359a47ff7f7ac447c85c46c923da53389221a0054c11c1e3ca31d59"
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l2id = "0266e4598d1d3c415f572a8488830b60f7e744ed9235eb0b1ba93283b315c03518"
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# check structure parsed correctly
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assert(len(g.nodes) == 2)
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n1 = g.get_node(l1id)
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n2 = g.get_node(l2id)
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assert n1
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assert n2
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chan = g.get_channel("103x1x1")
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assert chan
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assert chan.node1 == n1
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assert chan.node2 == n2
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half0 = chan.get_direction(0)
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half1 = chan.get_direction(1)
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assert half0
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assert half1
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assert half0.direction == 0
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assert half1.direction == 1
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assert half0.channel == chan
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assert half1.channel == chan
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assert half0.source == n1
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assert half0.destination == n2
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assert half1.source == n2
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assert half1.destination == n1
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# check metadata
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assert half0.timestamp == 1631005020
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assert half1.timestamp == 1631005020
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assert half0.cltv_expiry_delta == 6
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assert half1.cltv_expiry_delta == 6
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assert half0.htlc_minimum_msat == 0
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assert half1.htlc_minimum_msat == 0
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assert half0.htlc_maximum_msat == 990000000
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assert half1.htlc_maximum_msat == 990000000
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assert half0.fee_base_msat == 1
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assert half1.fee_base_msat == 1
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assert half0.fee_proportional_millionths == 10
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def test_objects():
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boltz = "026165850492521f4ac8abd9bd8088123446d126f648ca35e60f88177dc149ceb2"
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acinq = "03864ef025fde8fb587d989186ce6a4a186895ee44a926bfc370e2c366597a3f8f"
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boltz_id = GossmapNodeId(bytes.fromhex(boltz))
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acinq_id = GossmapNodeId(bytes.fromhex(acinq))
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assert boltz_id == GossmapNodeId(boltz)
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assert boltz_id < acinq_id
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assert acinq_id > boltz_id
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assert boltz_id != acinq_id
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assert acinq_id != boltz_id
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assert not boltz_id > acinq_id
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assert not acinq_id < boltz_id
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assert not boltz_id == acinq_id
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assert not acinq_id == boltz_id
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boltz_node = GossmapNode(boltz_id)
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acinq_node = GossmapNode(acinq_id)
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assert boltz_node == GossmapNode(boltz)
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assert boltz_node < acinq_node
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assert acinq_node > boltz_node
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assert boltz_node != acinq_node
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