[RENDERED](https://github.com/cometbft/cometbft/blob/anton/342-txi/docs/references/architecture/adr-113-modular-transaction-hashing.md)

Closes #342

---------

Co-authored-by: Adi Seredinschi <adizere@gmail.com>
Co-authored-by: Daniel <daniel.cason@informal.systems>
Co-authored-by: Adi Seredinschi <a@seredinschi.net>
Co-authored-by: Andy Nogueira <me@andynogueira.dev>
Co-authored-by: Sergio Mena <sergio@informal.systems>

…bft#113)

* Add ResetUpdate (needs test)

* Fix one more build

… with reCheckTX (backport cometbft#3314) cometbft#3338  (cometbft#117)

* Revert "Add ResetUpdate, so non-block proposers no longer fail to sync (cometbft#113)"

This reverts commit 158bcbe.

* fix(mempool)!: stop accepting TXs in the mempool if we can't keep up with reCheckTX (backport cometbft#3314) (cometbft#3338)

This PR is a combination of ideas from @ValarDragon, @hvanz and
@sergio-mena to alleviate nodes that, while not having their mempool
full "officially", they have too many TXs lingering in the mempool which
causes them to fall behind.
The mechanism works as follows:

* We mark when we start and end reChecking
* If, by the time a new block is decided we are still running the
previous `reCheckTx`, we declare the mempool as rechecktx-full
* Otherwise, we declare the mempool as not rechecktx-full

We have tested this and it fixes the failing nightlies that are blocking
us from cutting `v1.0.0-rc1`.

Some UTs need to be fixed, hence posting as draft for the moment.

---

#### PR checklist

- [ ] Tests written/updated
- [x] Changelog entry added in `.changelog` (we use
[unclog](https://github.com/informalsystems/unclog) to manage our
changelog)
- [ ] Updated relevant documentation (`docs/` or `spec/`) and code
comments
- [x] Title follows the [Conventional
Commits](https://www.conventionalcommits.org/en/v1.0.0/) spec
<hr>This is an automatic backport of pull request cometbft#3314 done by
[Mergify](https://mergify.com).

Co-authored-by: Sergio Mena <sergio@informal.systems>
Co-authored-by: Andy Nogueira <me@andynogueira.dev>
Co-authored-by: Dev Ojha <dojha@berkeley.edu>
Co-authored-by: hvanz <hernan.vanzetto@gmail.com>
Co-authored-by: Hernán Vanzetto <15466498+hvanz@users.noreply.github.com>

---------

Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>
Co-authored-by: Sergio Mena <sergio@informal.systems>
Co-authored-by: Andy Nogueira <me@andynogueira.dev>
Co-authored-by: hvanz <hernan.vanzetto@gmail.com>
Co-authored-by: Hernán Vanzetto <15466498+hvanz@users.noreply.github.com>