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LNWatcher: Distinguish between blockchain-triggered channel state

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transitions, and actions taken as a result.
- state transitions are performed in lnchannel.update_onchain_state()
- peer actions are in LNWorker.on_channel_update()
This commit is contained in:
ThomasV
2020-04-03 16:25:42 +02:00
parent 9ca445bd5d
commit 06dfe1699c
3 changed files with 69 additions and 66 deletions
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16
electrum/lnwatcher.py
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@@ -341,23 +341,11 @@ class LNWalletWatcher(LNWatcher):
@ignore_exceptions
@log_exceptions
async def update_channel_state(self, funding_outpoint, funding_txid, funding_height, closing_txid, closing_height, keep_watching):
# note: state transitions are irreversible, but
# save_funding_height, save_closing_height are reversible
chan = self.lnworker.channel_by_txo(funding_outpoint)
if not chan:
return
if funding_height.height == TX_HEIGHT_LOCAL:
chan.delete_funding_height()
chan.delete_closing_height()
await self.lnworker.update_unfunded_channel(chan, funding_txid)
elif closing_height.height == TX_HEIGHT_LOCAL:
chan.save_funding_height(funding_txid, funding_height.height, funding_height.timestamp)
chan.delete_closing_height()
await self.lnworker.update_open_channel(chan, funding_txid, funding_height)
else:
chan.save_funding_height(funding_txid, funding_height.height, funding_height.timestamp)
chan.save_closing_height(closing_txid, closing_height.height, closing_height.timestamp)
await self.lnworker.update_closed_channel(chan, funding_txid, funding_height, closing_txid, closing_height, keep_watching)
chan.update_onchain_state(funding_txid, funding_height, closing_txid, closing_height, keep_watching)
await self.lnworker.on_channel_update(chan)
async def do_breach_remedy(self, funding_outpoint, closing_tx, spenders):
chan = self.lnworker.channel_by_txo(funding_outpoint)