lnchan: make_commitment and balance (follow-up prev)
lnchan: make_commitment and balance (follow-up prev)

"balance(self, subject, ctn=None)" is underspecified.
whose balance? whose commitment transaction?
this lead to issues...

wakiyamap/electrum-mona,spesmilo/electrum,pooler/electrum-ltc,vialectrum/vialectrum,wakiyamap/electrum-mona,vialectrum/vialectrum,pooler/electrum-ltc,wakiyamap/electrum-mona,spesmilo/electrum,spesmilo/electrum,pooler/electrum-ltc,pooler/electrum-ltc,vialectrum/vialectrum,spesmilo/electrum,wakiyamap/electrum-mona