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lnbase: when opening channel, test if we have enough balance first

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and make sure we don't try to create the funding txn from local UTXOs
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SomberNight 2018-10-19 21:01:32 +02:00
parent f1ea73a2c6
commit 80798061c3
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1 changed files with 5 additions and 1 deletions
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6
electrum/lnbase.py
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@ -394,6 +394,10 @@ class Peer(PrintError):
@log_exceptions @log_exceptions
async def channel_establishment_flow(self, password, funding_sat, push_msat, temp_channel_id): 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 await self.initialized
feerate = self.current_feerate_per_kw() feerate = self.current_feerate_per_kw()
local_config, per_commitment_secret_seed = self.make_local_config(funding_sat, push_msat, LOCAL) local_config, per_commitment_secret_seed = self.make_local_config(funding_sat, push_msat, LOCAL)
@ -454,7 +458,7 @@ class Peer(PrintError):
redeem_script = funding_output_script(local_config, remote_config) redeem_script = funding_output_script(local_config, remote_config)
funding_address = bitcoin.redeem_script_to_address('p2wsh', redeem_script) funding_address = bitcoin.redeem_script_to_address('p2wsh', redeem_script)
funding_output = TxOutput(bitcoin.TYPE_ADDRESS, funding_address, funding_sat) 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_txid = funding_tx.txid()
funding_index = funding_tx.outputs().index(funding_output) funding_index = funding_tx.outputs().index(funding_output)
# remote commitment transaction # remote commitment transaction