Clean up ChannelKeys API#598

Merged

TheBlueMatt merged 7 commits intolightningdevkit:masterfrom

TheBlueMatt:2020-04-559-cleanups

Apr 25, 2020

Commits on Apr 24, 2020

Dry-up InputMaterial::Funding

Antoine Riard
authored and
TheBlueMatt
committed
Track signing of local txn in channelmonitor and refuse updates
TheBlueMatt
committed