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swaps: store fee_preimage

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This commit is contained in:
ThomasV 2020-06-12 10:07:36 +02:00
parent 540dd73f3b
commit c8506eaa39
3 changed files with 15 additions and 3 deletions
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2
electrum/lnworker.py
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@ -632,6 +632,8 @@ class LNWallet(LNWorker):
}
# add txid to merge item with onchain item
swap = self.swap_manager.get_swap(payment_hash)
if swap is None:
swap = self.swap_manager.get_swap_by_prepay(payment_hash)
if swap:
if swap.is_reverse:
item['txid'] = swap.spending_txid

12
electrum/submarine_swaps.py
View file

@ -68,6 +68,7 @@ class SwapData(StoredObject):
lightning_amount = attr.ib(type=int)
redeem_script = attr.ib(type=bytes, converter=hex_to_bytes)
preimage = attr.ib(type=bytes, converter=hex_to_bytes)
fee_preimage = attr.ib(type=bytes, converter=hex_to_bytes)
privkey = attr.ib(type=bytes, converter=hex_to_bytes)
lockup_address = attr.ib(type=str)
funding_txid = attr.ib(type=str)
@ -108,6 +109,7 @@ class SwapManager(Logger):
self.lnworker = wallet.lnworker
self.lnwatcher = self.wallet.lnworker.lnwatcher
self.swaps = self.wallet.db.get_dict('submarine_swaps')
self.prepayments = {}
for swap in self.swaps.values():
if swap.is_redeemed:
continue
@ -154,6 +156,11 @@ class SwapManager(Logger):
def get_swap(self, payment_hash):
return self.swaps.get(payment_hash.hex())
def get_swap_by_prepay(self, prepay_payment_hash):
payment_hash = self.prepayments.get(prepay_payment_hash)
if payment_hash:
return self.swaps.get(payment_hash.hex())
def add_lnwatcher_callback(self, swap):
callback = lambda: self._claim_swap(swap)
self.lnwatcher.add_callback(swap.lockup_address, callback)
@ -275,6 +282,9 @@ class SwapManager(Logger):
if fee_invoice:
fee_lnaddr = self.lnworker._check_invoice(fee_invoice)
invoice_amount += fee_lnaddr.get_amount_sat()
fee_preimage = fee_lnaddr.paymenthash
else:
fee_preimage = None
assert int(invoice_amount) == amount_sat, (invoice_amount, amount_sat)
# save swap data to wallet file
swap = SwapData(
@ -282,7 +292,7 @@ class SwapManager(Logger):
locktime = locktime,
privkey = privkey,
preimage = preimage,
# save the rhash of the mining fee invoice
fee_preimage = fee_preimage,
lockup_address = lockup_address,
onchain_amount = onchain_amount,
lightning_amount = amount_sat,

4
electrum/wallet.py
View file

@ -840,8 +840,8 @@ class Abstract_Wallet(AddressSynchronizer, ABC):
if txid and txid in transactions_tmp:
item = transactions_tmp[txid]
item['label'] = tx_item['label']
item['type'] = tx_item['type']
item['ln_value'] = Satoshis(ln_value)
item['type'] = tx_item['type'] # fixme: do we need this?
item['ln_value'] = Satoshis(ln_value) # fixme: we need to add value
item['amount_msat'] = tx_item['amount_msat']
else:
tx_item['lightning'] = True