This is a little lazy, but simpler than extracting the common parts
or making withdraw a plugin which calls txprepare (which should be
deprecated soon in favor of fundpsbt etc).
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Some minor phrasing differences cause test changes.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Changelog-Changed: txprepare reservations stay across restarts: use fundpsbt/reservepsbt/unreservepsbt
Changelog-Removed: txprepare `destination` `satoshi` argument form removed (deprecated v0.7.3)
This uses `fundpsbt` and similar to simulate the txprepare command.
It has one difference (when complete), in that it those reservations
are now timed and don't get reset on restart.
It also doesn't have the restriction that `all` can only be used with
no other output, as I didn't realize that when I implemented it!
Note that change is now inserted in a random position, not sorted
into BIP69 order.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Rusty Russell