rebase onto master

also backport secp256k1#926 too

rebase on D16938.

rebase onto D16936.

rebase onto master

otherwise lgtm

Similar for others

correctly implement skipping OP_RETURNs

fix comment

@bot guix-linux

add rust-secp256k1 to the rust workspace

rebase onto master

rebase onto master

In D16821#382053, @bytesofman wrote:

really does get us into some interesting complexity needing to check the existing orderbook before making an order.

Improve comments to direct people to the new function

Add Agora.selectParams to abstract away the selection of enforcedLockTime.

But I think what we should do it also add an object that safely creates good lock times (and storing previous one internally), and then people just forward this value from that object. Would also allow for future extensions.

In D16821#381670, @bytesofman wrote:

So i this case -- we are using locktime because it's an existing field that is available in script. But we are not really setting a locktime -- we are setting a sort of nonce, that should be a unique ID.

use ===

tabs

fix lints

rebase and fix join