* Now more closely mirrors Joseph’s photos
* 3 step dance: init, theirFunds, theirSigs -> complete
* Currently missing any concept of reserve funds for CLTV
* Many lingering TODO’s still, once addressed will move onto Commitment
TX update, and HTLC workflow
* Need to change to instead just use the HD chain so backups aren’t
fragmented
* Optional pre-load on start available, will push EC computations up
front