On Sat, Dec 10, 2016 at 9:41 PM, Luke Dashjr <luke@dashjr.org> wrote:

> On Saturday, December 10, 2016 9:29:09 PM Tier Nolan via bitcoin-dev wrote:
> > Any new merkle algorithm should use a sum tree for partial validation and
> > fraud proofs.
>
> PR welcome.
>

Fair enough.  It is pretty basic.

https://github.com/luke-jr/bips/pull/2

It sums up sigops, block size, block cost (that is "weight" right?) and
fees.