AaronFiore/electrum
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wallet db upgrade: rm support of "legacy" lightning channels

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("legacy" as in pre-static-remote-key channels)
This commit is contained in:
SomberNight
2022-08-15 16:03:21 +00:00
committed by ThomasV
parent 1f403d1ca1
commit 7b8e257ebb
1 changed files with 18 additions and 1 deletions
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19
electrum/wallet_db.py
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@@ -52,7 +52,7 @@ if TYPE_CHECKING:
OLD_SEED_VERSION = 4 # electrum versions < 2.0
NEW_SEED_VERSION = 11 # electrum versions >= 2.0
FINAL_SEED_VERSION = 48 # electrum >= 2.7 will set this to prevent
FINAL_SEED_VERSION = 49 # electrum >= 2.7 will set this to prevent
# old versions from overwriting new format
@@ -197,6 +197,7 @@ class WalletDB(JsonDB):
self._convert_version_46()
self._convert_version_47()
self._convert_version_48()
self._convert_version_49()
self.put('seed_version', FINAL_SEED_VERSION) # just to be sure
self._after_upgrade_tasks()
@@ -953,6 +954,22 @@ class WalletDB(JsonDB):
item['amount_msat'] = "!"
self.data['seed_version'] = 48
def _convert_version_49(self):
if not self._is_upgrade_method_needed(48, 48):
return
channels = self.data.get('channels', {})
legacy_chans = [chan_dict for chan_dict in channels.values()
if chan_dict['channel_type'] == ChannelType.OPTION_LEGACY_CHANNEL]
if legacy_chans:
raise WalletFileException(
f"This wallet contains {len(legacy_chans)} lightning channels of type 'LEGACY'. "
f"These channels were created using unreleased development versions of Electrum "
f"before the first lightning-capable release of 4.0, and are not supported anymore. "
f"Please use Electrum 4.3.0 to open this wallet, close the channels, "
f"and delete them from the wallet."
)
self.data['seed_version'] = 49
def _convert_imported(self):
if not self._is_upgrade_method_needed(0, 13):
return