tchanneldb: allow injecting trusted edges - electrum - Electrum Bitcoin wallet
HTML git clone https://git.parazyd.org/electrum
DIR Log
DIR Files
DIR Refs
DIR Submodules
---
DIR commit d0798c336fe59322bcbeec5e3da2acff7b850f0a
DIR parent 7f0568d83a011cff8c4e0fe5d2ae6137d457667b
HTML Author: SomberNight <somber.night@protonmail.com>
Date: Mon, 23 Jul 2018 21:44:48 +0200
channeldb: allow injecting trusted edges
Diffstat:
M electrum/lnbase.py | 23 +++++++++++++++++++----
M electrum/lnrouter.py | 15 +++++++++------
M electrum/tests/test_lnrouter.py | 88 ++++++++++++++++---------------
3 files changed, 73 insertions(+), 53 deletions(-)
---
DIR diff --git a/electrum/lnbase.py b/electrum/lnbase.py
t@@ -763,10 +763,25 @@ class Peer(PrintError):
chan.state = "OPEN"
self.network.trigger_callback('channel', chan)
# add channel to database
- sorted_keys = list(sorted([self.pubkey, self.lnworker.pubkey]))
- self.channel_db.on_channel_announcement({"short_channel_id": chan.short_channel_id, "node_id_1": sorted_keys[0], "node_id_2": sorted_keys[1]})
- self.channel_db.on_channel_update({"short_channel_id": chan.short_channel_id, 'flags': b'\x01', 'cltv_expiry_delta': b'\x90', 'htlc_minimum_msat': b'\x03\xe8', 'fee_base_msat': b'\x03\xe8', 'fee_proportional_millionths': b'\x01'})
- self.channel_db.on_channel_update({"short_channel_id": chan.short_channel_id, 'flags': b'\x00', 'cltv_expiry_delta': b'\x90', 'htlc_minimum_msat': b'\x03\xe8', 'fee_base_msat': b'\x03\xe8', 'fee_proportional_millionths': b'\x01'})
+ node_ids = [self.pubkey, self.lnworker.pubkey]
+ bitcoin_keys = [chan.local_config.multisig_key.pubkey, chan.remote_config.multisig_key.pubkey]
+ sorted_node_ids = list(sorted(node_ids))
+ if sorted_node_ids != node_ids:
+ node_ids = sorted_node_ids
+ bitcoin_keys.reverse()
+ now = int(time.time()).to_bytes(4, byteorder="big")
+ self.channel_db.on_channel_announcement({"short_channel_id": chan.short_channel_id, "node_id_1": node_ids[0], "node_id_2": node_ids[1],
+ 'chain_hash': constants.net.rev_genesis_bytes(), 'len': b'\x00\x00', 'features': b'',
+ 'bitcoin_key_1': bitcoin_keys[0], 'bitcoin_key_2': bitcoin_keys[1]},
+ trusted=True)
+ self.channel_db.on_channel_update({"short_channel_id": chan.short_channel_id, 'flags': b'\x01', 'cltv_expiry_delta': b'\x90',
+ 'htlc_minimum_msat': b'\x03\xe8', 'fee_base_msat': b'\x03\xe8', 'fee_proportional_millionths': b'\x01',
+ 'chain_hash': constants.net.rev_genesis_bytes(), 'timestamp': now},
+ trusted=True)
+ self.channel_db.on_channel_update({"short_channel_id": chan.short_channel_id, 'flags': b'\x00', 'cltv_expiry_delta': b'\x90',
+ 'htlc_minimum_msat': b'\x03\xe8', 'fee_base_msat': b'\x03\xe8', 'fee_proportional_millionths': b'\x01',
+ 'chain_hash': constants.net.rev_genesis_bytes(), 'timestamp': now},
+ trusted=True)
self.print_error("CHANNEL OPENING COMPLETED")
DIR diff --git a/electrum/lnrouter.py b/electrum/lnrouter.py
t@@ -105,7 +105,7 @@ class ChannelInfo(PrintError):
def set_capacity(self, capacity):
self.capacity_sat = capacity
- def on_channel_update(self, msg_payload):
+ def on_channel_update(self, msg_payload, trusted=False):
assert self.channel_id == msg_payload['short_channel_id']
flags = int.from_bytes(msg_payload['flags'], 'big')
direction = flags & 1
t@@ -118,7 +118,7 @@ class ChannelInfo(PrintError):
node_id = self.node_id_2
if old_policy and old_policy.timestamp >= new_policy.timestamp:
return # ignore
- if not verify_sig_for_channel_update(msg_payload, node_id):
+ if not trusted and not verify_sig_for_channel_update(msg_payload, node_id):
return # ignore
# save new policy
if direction == 0:
t@@ -227,16 +227,19 @@ class ChannelDB(JsonDB):
self._channels_for_node[channel_info.node_id_1].add(short_channel_id)
self._channels_for_node[channel_info.node_id_2].add(short_channel_id)
- def on_channel_announcement(self, msg_payload):
+ def on_channel_announcement(self, msg_payload, trusted=False):
short_channel_id = msg_payload['short_channel_id']
if short_channel_id in self._id_to_channel_info:
return
if constants.net.rev_genesis_bytes() != msg_payload['chain_hash']:
return
channel_info = ChannelInfo(msg_payload)
- self.ca_verifier.add_new_channel_info(channel_info)
+ if trusted:
+ self.add_verified_channel_info(short_channel_id, channel_info)
+ else:
+ self.ca_verifier.add_new_channel_info(channel_info)
- def on_channel_update(self, msg_payload):
+ def on_channel_update(self, msg_payload, trusted=False):
short_channel_id = msg_payload['short_channel_id']
if constants.net.rev_genesis_bytes() != msg_payload['chain_hash']:
return
t@@ -252,7 +255,7 @@ class ChannelDB(JsonDB):
if channel_info is None:
self.print_error("could not find", short_channel_id)
return
- channel_info.on_channel_update(msg_payload)
+ channel_info.on_channel_update(msg_payload, trusted=trusted)
def remove_channel(self, short_channel_id):
try:
DIR diff --git a/electrum/tests/test_lnrouter.py b/electrum/tests/test_lnrouter.py
t@@ -41,52 +41,54 @@ class Test_LNRouter(TestCaseForTestnet):
def test_find_path_for_payment(self):
class fake_network:
config = self.config
- trigger_callback = lambda x: None
add_jobs = lambda *args: None
fake_network.channel_db = lnrouter.ChannelDB(fake_network())
- def no_verify_add_new_channel_info(channel_info):
- fake_network.channel_db.add_verified_channel_info(channel_info.channel_id, channel_info)
- fake_network.channel_db.ca_verifier.add_new_channel_info = no_verify_add_new_channel_info
- class fake_ln_worker:
- path_finder = lnrouter.LNPathFinder(fake_network.channel_db)
- privkey = bitcoin.sha256('privkeyseed')
- network = fake_network
- channels = []
- invoices = {}
- channels_for_peer = lambda x: []
- p = Peer(fake_ln_worker, '', 0, b'\x02aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa')
- p.on_channel_announcement({'node_id_1': b'\x02bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb',
- 'node_id_2': b'\x02cccccccccccccccccccccccccccccccc',
- 'short_channel_id': bfh('0000000000000001'), 'chain_hash': bfh('43497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea330900000000')})
- p.on_channel_announcement({'node_id_1': b'\x02bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb',
- 'node_id_2': b'\x02eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee',
- 'short_channel_id': bfh('0000000000000002'), 'chain_hash': bfh('43497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea330900000000')})
- p.on_channel_announcement({'node_id_1': b'\x02aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa',
- 'node_id_2': b'\x02bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb',
- 'short_channel_id': bfh('0000000000000003'), 'chain_hash': bfh('43497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea330900000000')})
- p.on_channel_announcement({'node_id_1': b'\x02cccccccccccccccccccccccccccccccc',
- 'node_id_2': b'\x02dddddddddddddddddddddddddddddddd',
- 'short_channel_id': bfh('0000000000000004'), 'chain_hash': bfh('43497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea330900000000')})
- p.on_channel_announcement({'node_id_1': b'\x02dddddddddddddddddddddddddddddddd',
- 'node_id_2': b'\x02eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee',
- 'short_channel_id': bfh('0000000000000005'), 'chain_hash': bfh('43497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea330900000000')})
- p.on_channel_announcement({'node_id_1': b'\x02aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa',
- 'node_id_2': b'\x02dddddddddddddddddddddddddddddddd',
- 'short_channel_id': bfh('0000000000000006'), 'chain_hash': bfh('43497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea330900000000')})
+ cdb = fake_network.channel_db
+ path_finder = lnrouter.LNPathFinder(cdb)
+ cdb.on_channel_announcement({'node_id_1': b'\x02bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb', 'node_id_2': b'\x02cccccccccccccccccccccccccccccccc',
+ 'bitcoin_key_1': b'\x02bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb', 'bitcoin_key_2': b'\x02cccccccccccccccccccccccccccccccc',
+ 'short_channel_id': bfh('0000000000000001'),
+ 'chain_hash': bfh('43497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea330900000000'),
+ 'len': b'\x00\x00', 'features': b''}, trusted=True)
+ cdb.on_channel_announcement({'node_id_1': b'\x02bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb', 'node_id_2': b'\x02eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee',
+ 'bitcoin_key_1': b'\x02bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb', 'bitcoin_key_2': b'\x02eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee',
+ 'short_channel_id': bfh('0000000000000002'),
+ 'chain_hash': bfh('43497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea330900000000'),
+ 'len': b'\x00\x00', 'features': b''}, trusted=True)
+ cdb.on_channel_announcement({'node_id_1': b'\x02aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa', 'node_id_2': b'\x02bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb',
+ 'bitcoin_key_1': b'\x02aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa', 'bitcoin_key_2': b'\x02bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb',
+ 'short_channel_id': bfh('0000000000000003'),
+ 'chain_hash': bfh('43497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea330900000000'),
+ 'len': b'\x00\x00', 'features': b''}, trusted=True)
+ cdb.on_channel_announcement({'node_id_1': b'\x02cccccccccccccccccccccccccccccccc', 'node_id_2': b'\x02dddddddddddddddddddddddddddddddd',
+ 'bitcoin_key_1': b'\x02cccccccccccccccccccccccccccccccc', 'bitcoin_key_2': b'\x02dddddddddddddddddddddddddddddddd',
+ 'short_channel_id': bfh('0000000000000004'),
+ 'chain_hash': bfh('43497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea330900000000'),
+ 'len': b'\x00\x00', 'features': b''}, trusted=True)
+ cdb.on_channel_announcement({'node_id_1': b'\x02dddddddddddddddddddddddddddddddd', 'node_id_2': b'\x02eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee',
+ 'bitcoin_key_1': b'\x02dddddddddddddddddddddddddddddddd', 'bitcoin_key_2': b'\x02eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee',
+ 'short_channel_id': bfh('0000000000000005'),
+ 'chain_hash': bfh('43497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea330900000000'),
+ 'len': b'\x00\x00', 'features': b''}, trusted=True)
+ cdb.on_channel_announcement({'node_id_1': b'\x02aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa', 'node_id_2': b'\x02dddddddddddddddddddddddddddddddd',
+ 'bitcoin_key_1': b'\x02aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa', 'bitcoin_key_2': b'\x02dddddddddddddddddddddddddddddddd',
+ 'short_channel_id': bfh('0000000000000006'),
+ 'chain_hash': bfh('43497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea330900000000'),
+ 'len': b'\x00\x00', 'features': b''}, trusted=True)
o = lambda i: i.to_bytes(8, "big")
- p.on_channel_update({'short_channel_id': bfh('0000000000000001'), 'flags': b'\x00', 'cltv_expiry_delta': o(10), 'htlc_minimum_msat': o(250), 'fee_base_msat': o(100), 'fee_proportional_millionths': o(150), 'chain_hash': bfh('43497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea330900000000')})
- p.on_channel_update({'short_channel_id': bfh('0000000000000001'), 'flags': b'\x01', 'cltv_expiry_delta': o(10), 'htlc_minimum_msat': o(250), 'fee_base_msat': o(100), 'fee_proportional_millionths': o(150), 'chain_hash': bfh('43497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea330900000000')})
- p.on_channel_update({'short_channel_id': bfh('0000000000000002'), 'flags': b'\x00', 'cltv_expiry_delta': o(99), 'htlc_minimum_msat': o(250), 'fee_base_msat': o(100), 'fee_proportional_millionths': o(150), 'chain_hash': bfh('43497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea330900000000')})
- p.on_channel_update({'short_channel_id': bfh('0000000000000002'), 'flags': b'\x01', 'cltv_expiry_delta': o(10), 'htlc_minimum_msat': o(250), 'fee_base_msat': o(100), 'fee_proportional_millionths': o(150), 'chain_hash': bfh('43497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea330900000000')})
- p.on_channel_update({'short_channel_id': bfh('0000000000000003'), 'flags': b'\x01', 'cltv_expiry_delta': o(10), 'htlc_minimum_msat': o(250), 'fee_base_msat': o(100), 'fee_proportional_millionths': o(150), 'chain_hash': bfh('43497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea330900000000')})
- p.on_channel_update({'short_channel_id': bfh('0000000000000003'), 'flags': b'\x00', 'cltv_expiry_delta': o(10), 'htlc_minimum_msat': o(250), 'fee_base_msat': o(100), 'fee_proportional_millionths': o(150), 'chain_hash': bfh('43497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea330900000000')})
- p.on_channel_update({'short_channel_id': bfh('0000000000000004'), 'flags': b'\x01', 'cltv_expiry_delta': o(10), 'htlc_minimum_msat': o(250), 'fee_base_msat': o(100), 'fee_proportional_millionths': o(150), 'chain_hash': bfh('43497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea330900000000')})
- p.on_channel_update({'short_channel_id': bfh('0000000000000004'), 'flags': b'\x00', 'cltv_expiry_delta': o(10), 'htlc_minimum_msat': o(250), 'fee_base_msat': o(100), 'fee_proportional_millionths': o(150), 'chain_hash': bfh('43497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea330900000000')})
- p.on_channel_update({'short_channel_id': bfh('0000000000000005'), 'flags': b'\x01', 'cltv_expiry_delta': o(10), 'htlc_minimum_msat': o(250), 'fee_base_msat': o(100), 'fee_proportional_millionths': o(150), 'chain_hash': bfh('43497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea330900000000')})
- p.on_channel_update({'short_channel_id': bfh('0000000000000005'), 'flags': b'\x00', 'cltv_expiry_delta': o(10), 'htlc_minimum_msat': o(250), 'fee_base_msat': o(100), 'fee_proportional_millionths': o(999), 'chain_hash': bfh('43497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea330900000000')})
- p.on_channel_update({'short_channel_id': bfh('0000000000000006'), 'flags': b'\x00', 'cltv_expiry_delta': o(10), 'htlc_minimum_msat': o(250), 'fee_base_msat': o(100), 'fee_proportional_millionths': o(99999999), 'chain_hash': bfh('43497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea330900000000')})
- p.on_channel_update({'short_channel_id': bfh('0000000000000006'), 'flags': b'\x01', 'cltv_expiry_delta': o(10), 'htlc_minimum_msat': o(250), 'fee_base_msat': o(100), 'fee_proportional_millionths': o(150), 'chain_hash': bfh('43497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea330900000000')})
- self.assertNotEqual(None, fake_ln_worker.path_finder.find_path_for_payment(b'\x02aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa', b'\x02eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee', 100000))
+ cdb.on_channel_update({'short_channel_id': bfh('0000000000000001'), 'flags': b'\x00', 'cltv_expiry_delta': o(10), 'htlc_minimum_msat': o(250), 'fee_base_msat': o(100), 'fee_proportional_millionths': o(150), 'chain_hash': bfh('43497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea330900000000'), 'timestamp': b'\x00\x00\x00\x00'}, trusted=True)
+ cdb.on_channel_update({'short_channel_id': bfh('0000000000000001'), 'flags': b'\x01', 'cltv_expiry_delta': o(10), 'htlc_minimum_msat': o(250), 'fee_base_msat': o(100), 'fee_proportional_millionths': o(150), 'chain_hash': bfh('43497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea330900000000'), 'timestamp': b'\x00\x00\x00\x00'}, trusted=True)
+ cdb.on_channel_update({'short_channel_id': bfh('0000000000000002'), 'flags': b'\x00', 'cltv_expiry_delta': o(99), 'htlc_minimum_msat': o(250), 'fee_base_msat': o(100), 'fee_proportional_millionths': o(150), 'chain_hash': bfh('43497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea330900000000'), 'timestamp': b'\x00\x00\x00\x00'}, trusted=True)
+ cdb.on_channel_update({'short_channel_id': bfh('0000000000000002'), 'flags': b'\x01', 'cltv_expiry_delta': o(10), 'htlc_minimum_msat': o(250), 'fee_base_msat': o(100), 'fee_proportional_millionths': o(150), 'chain_hash': bfh('43497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea330900000000'), 'timestamp': b'\x00\x00\x00\x00'}, trusted=True)
+ cdb.on_channel_update({'short_channel_id': bfh('0000000000000003'), 'flags': b'\x01', 'cltv_expiry_delta': o(10), 'htlc_minimum_msat': o(250), 'fee_base_msat': o(100), 'fee_proportional_millionths': o(150), 'chain_hash': bfh('43497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea330900000000'), 'timestamp': b'\x00\x00\x00\x00'}, trusted=True)
+ cdb.on_channel_update({'short_channel_id': bfh('0000000000000003'), 'flags': b'\x00', 'cltv_expiry_delta': o(10), 'htlc_minimum_msat': o(250), 'fee_base_msat': o(100), 'fee_proportional_millionths': o(150), 'chain_hash': bfh('43497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea330900000000'), 'timestamp': b'\x00\x00\x00\x00'}, trusted=True)
+ cdb.on_channel_update({'short_channel_id': bfh('0000000000000004'), 'flags': b'\x01', 'cltv_expiry_delta': o(10), 'htlc_minimum_msat': o(250), 'fee_base_msat': o(100), 'fee_proportional_millionths': o(150), 'chain_hash': bfh('43497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea330900000000'), 'timestamp': b'\x00\x00\x00\x00'}, trusted=True)
+ cdb.on_channel_update({'short_channel_id': bfh('0000000000000004'), 'flags': b'\x00', 'cltv_expiry_delta': o(10), 'htlc_minimum_msat': o(250), 'fee_base_msat': o(100), 'fee_proportional_millionths': o(150), 'chain_hash': bfh('43497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea330900000000'), 'timestamp': b'\x00\x00\x00\x00'}, trusted=True)
+ cdb.on_channel_update({'short_channel_id': bfh('0000000000000005'), 'flags': b'\x01', 'cltv_expiry_delta': o(10), 'htlc_minimum_msat': o(250), 'fee_base_msat': o(100), 'fee_proportional_millionths': o(150), 'chain_hash': bfh('43497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea330900000000'), 'timestamp': b'\x00\x00\x00\x00'}, trusted=True)
+ cdb.on_channel_update({'short_channel_id': bfh('0000000000000005'), 'flags': b'\x00', 'cltv_expiry_delta': o(10), 'htlc_minimum_msat': o(250), 'fee_base_msat': o(100), 'fee_proportional_millionths': o(999), 'chain_hash': bfh('43497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea330900000000'), 'timestamp': b'\x00\x00\x00\x00'}, trusted=True)
+ cdb.on_channel_update({'short_channel_id': bfh('0000000000000006'), 'flags': b'\x00', 'cltv_expiry_delta': o(10), 'htlc_minimum_msat': o(250), 'fee_base_msat': o(100), 'fee_proportional_millionths': o(99999999), 'chain_hash': bfh('43497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea330900000000'), 'timestamp': b'\x00\x00\x00\x00'}, trusted=True)
+ cdb.on_channel_update({'short_channel_id': bfh('0000000000000006'), 'flags': b'\x01', 'cltv_expiry_delta': o(10), 'htlc_minimum_msat': o(250), 'fee_base_msat': o(100), 'fee_proportional_millionths': o(150), 'chain_hash': bfh('43497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea330900000000'), 'timestamp': b'\x00\x00\x00\x00'}, trusted=True)
+ self.assertNotEqual(None, path_finder.find_path_for_payment(b'\x02aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa', b'\x02eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee', 100000))