AaronFiore/electrum
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wallet: (fix) get_receiving_address must always return an addr

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- also, disallow deleting last address from an imported wallet (fixes #3254, fixes #4833)
- also, set LNBackups.sweep_address lazily, as during fresh wallet creation
  there are no addresses in the wallet at that point yet! see trace below.

Traceback (most recent call last):
  [...]
  File "...\electrum\electrum\tests\test_commands.py", line 112, in test_export_private_key_deterministic
    wallet = restore_wallet_from_text('bitter grass shiver impose acquire brush forget axis eager alone wine silver',
  File "...\electrum\electrum\wallet.py", line 2575, in restore_wallet_from_text
    wallet = Wallet(db, storage, config=config)
  File "...\electrum\electrum\wallet.py", line 2502, in __new__
    wallet = WalletClass(db, storage, config=config)
  File "...\electrum\electrum\wallet.py", line 2346, in __init__
    Deterministic_Wallet.__init__(self, db, storage, config=config)
  File "...\electrum\electrum\wallet.py", line 2147, in __init__
    Abstract_Wallet.__init__(self, db, storage, config=config)
  File "...\electrum\electrum\wallet.py", line 261, in __init__
    self.lnbackups = LNBackups(self)
  File "...\electrum\electrum\lnworker.py", line 1401, in __init__
    self.sweep_address = wallet.get_receiving_address()
  File "...\electrum\electrum\wallet.py", line 1498, in wrapper
    addr = func(self, *args, **kwargs)
  File "...\electrum\electrum\wallet.py", line 1520, in get_receiving_address
    raise Exception("no receiving addresses in wallet?!")
Exception: no receiving addresses in wallet?!
This commit is contained in:
SomberNight
2020-05-22 16:25:33 +02:00
parent 9657e927a7
commit f8c574b699
2 changed files with 8 additions and 3 deletions
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5
electrum/lnworker.py
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@@ -1398,11 +1398,14 @@ class LNBackups(Logger):
self.lock = threading.RLock()
self.wallet = wallet
self.db = wallet.db
self.sweep_address = wallet.get_receiving_address()
self.channel_backups = {}
for channel_id, cb in self.db.get_dict("channel_backups").items():
self.channel_backups[bfh(channel_id)] = ChannelBackup(cb, sweep_address=self.sweep_address, lnworker=self)
@property
def sweep_address(self) -> str:
return self.wallet.get_receiving_address()
def channel_state_changed(self, chan):
util.trigger_callback('channel', chan)