d9774e73dc
We reimplemented this redundantly: hash_scid was called short_channel_id_hash, so I obviously missed it. Rename, and implement hash_scidd helper too. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
These are standard bitcoin manipulation routines which should be provided by any normal bitcoin library in whatever language you choose. The ones here are standalone ones taken from bitcoin core and some I wrote, many taken from bitcoin-iterate and pasted in here.