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.