tlnbase: when opening channel, test if we have enough balance first - electrum - Electrum Bitcoin wallet
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---
DIR commit c577df84898c470d45287b39ef484d16cfed4cc4
DIR parent d511ecdc0073ba2af55a0c608ccd2b38f448ad8d
HTML Author: SomberNight <somber.night@protonmail.com>
Date: Fri, 19 Oct 2018 21:01:32 +0200
lnbase: when opening channel, test if we have enough balance first
and make sure we don't try to create the funding txn from local UTXOs
Diffstat:
M electrum/lnbase.py | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
---
DIR diff --git a/electrum/lnbase.py b/electrum/lnbase.py
t@@ -394,6 +394,10 @@ class Peer(PrintError):
@log_exceptions
async def channel_establishment_flow(self, password, funding_sat, push_msat, temp_channel_id):
+ wallet = self.lnworker.wallet
+ # dry run creating funding tx to see if we even have enough funds
+ funding_tx_test = wallet.mktx([TxOutput(bitcoin.TYPE_ADDRESS, wallet.dummy_address(), funding_sat)],
+ password, self.lnworker.config, nonlocal_only=True)
await self.initialized
feerate = self.current_feerate_per_kw()
local_config, per_commitment_secret_seed = self.make_local_config(funding_sat, push_msat, LOCAL)
t@@ -454,7 +458,7 @@ class Peer(PrintError):
redeem_script = funding_output_script(local_config, remote_config)
funding_address = bitcoin.redeem_script_to_address('p2wsh', redeem_script)
funding_output = TxOutput(bitcoin.TYPE_ADDRESS, funding_address, funding_sat)
- funding_tx = self.lnworker.wallet.mktx([funding_output], password, self.lnworker.config)
+ funding_tx = wallet.mktx([funding_output], password, self.lnworker.config, nonlocal_only=True)
funding_txid = funding_tx.txid()
funding_index = funding_tx.outputs().index(funding_output)
# remote commitment transaction