electrum

Electrum Bitcoin wallet
git clone https://git.parazyd.org/electrum
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commit ee59ad13c44674e37250948e169e502babbb002f
parent bcf2246633d80e35c05a9eb64dd988b91745df66
Author: ThomasV <thomasv@electrum.org>
Date:   Sat,  6 Jun 2020 19:37:53 +0200

support new protocol (minerFeeInvoice)

Diffstat:
Melectrum/lnaddr.py | 3+++
Melectrum/submarine_swaps.py | 17+++++++++++++++--
2 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/electrum/lnaddr.py b/electrum/lnaddr.py @@ -274,6 +274,9 @@ class LnAddr(object): self.amount = amount # in bitcoins self._min_final_cltv_expiry = 9 + def get_amount_sat(self): + return self.amount * COIN + def __str__(self): return "LnAddr[{}, amount={}{} tags=[{}]]".format( hexlify(self.pubkey.serialize()).decode('utf-8') if self.pubkey else None, diff --git a/electrum/submarine_swaps.py b/electrum/submarine_swaps.py @@ -239,6 +239,7 @@ class SwapManager(Logger): timeout=30) data = json.loads(response) invoice = data['invoice'] + fee_invoice = data.get('minerFeeInvoice') lockup_address = data['lockupAddress'] redeem_script = data['redeemScript'] locktime = data['timeoutBlockHeight'] @@ -252,19 +253,26 @@ class SwapManager(Logger): assert hash_160(preimage) == parsed_script[5][1] assert pubkey == parsed_script[7][1] assert locktime == int.from_bytes(parsed_script[10][1], byteorder='little') - # check that the amount is what we expected + # check that the onchain amount is what we expected assert onchain_amount >= expected_amount, (onchain_amount, expected_amount) # verify that we will have enought time to get our tx confirmed assert locktime - self.network.get_local_height() > 10 # verify invoice preimage_hash - lnaddr = self.lnworker._check_invoice(invoice, amount_sat) + lnaddr = self.lnworker._check_invoice(invoice) + invoice_amount = lnaddr.get_amount_sat() assert lnaddr.paymenthash == preimage_hash + # check that the lightning amount is what we requested + if fee_invoice: + fee_lnaddr = self.lnworker._check_invoice(fee_invoice) + invoice_amount += fee_lnaddr.get_amount_sat() + assert int(invoice_amount) == amount_sat, (invoice_amount, amount_sat) # save swap data to wallet file swap = SwapData( redeem_script = redeem_script, locktime = locktime, privkey = privkey, preimage = preimage, + # save the rhash of the mining fee invoice lockup_address = lockup_address, onchain_amount = onchain_amount, lightning_amount = amount_sat, @@ -277,6 +285,11 @@ class SwapManager(Logger): # add callback to lnwatcher self.add_lnwatcher_callback(swap) # initiate payment. + if fee_invoice: + success, log = await self.lnworker._pay(fee_invoice, attempts=10) + if not success: + return False + # initiate payment. success, log = await self.lnworker._pay(invoice, attempts=10) return success