Gloria Zhao

Changed combined hash to be single instead of double sha256

@luke-jr @kallewoof is anything else needed here?

@luke-jr pinging again, can we get this merged?

pinging again, if any BIP editors are available to have a look?

What was the rationale for 81f5ade2a324167c03c5ce765a26bd42ed652723? test/util/random.h depends on test/util/setup_common because it's using `g_insecure_rand_ctx`, which means setup_common can't use any of the random functions without creating a circular dependency. Was...

Apologies for the mistaken close and thank you for the [ping](https://github.com/bitcoin/bitcoin/issues/27043#issuecomment-1445336629) to reopen.

Thanks for fuzzing :100: It's fully possible the crashing is due to real bugs, I hit a crash yesterday while testing as well. I think there is something wrong with...

> In what way does the code added here differ from the real block assembly code? - Only operates on the relevant transactions rather than full mempool - Has the...

Is there a reason to leave the `CalculateTotalBumpFee` commit out of this PR?

I pushed some changes (with @Xekyo's permission, thanks): - Capped traversal at 500 items in `CalculateCluster()`. Number is arbitrary, open for commentary - Fixed up a few things in the...