* update codec to pull chain id from EM

* skip ovm codec test (already tested in entrypoint)

* fix rlp encoding bug in contract dump

* lint

* abi.decode

* indent fix

* rm unused imports

* typos

* Revert "typos"

This reverts commit baee8743b59621e63732b44121e7696bee569ad5.

* abi.encodePacked

* rm _malloc

* safemathwrapper

* use openzeppelin's safemath

* rm dangling lib import

* rm unused writeInt

* rm unused constants

* Linted files

* Revert back to old artifacts structure

* Fixed conflict with smock

* fix dump, add ETH

* lint

* add janky find and replace

* lint
Co-authored-by: Kelvin Fichter <kelvinfichter@gmail.com>

* Linted files

* Revert back to old artifacts structure

* Fixed conflict with smock

* Remove incorrect validate batch context call

* Fix and lint tests

* Testing out deployment changes

* Add nonce fix

* Linted files

* rm unused stateTransitionIndex

* Hotfix for decoding rlp values in state transitioner

* Fix for empty code hash and storage roots

* Experimenting with sequencer entrypoint

* We may have messed up nuisance gas

* Changed how we verify keys

* Pad left in state transitioner

* Added some experimental stuff

* Add simplifications for state transitioner

* Further simplifications

* Fix for execution manager

* A few optimizations

* Experimental fixes

* Temporarily change gas limit

* Temp tx index fix

* Fixed bug for generating single-node root hashes

* Add events to state transitioner

* Added revert messages to st

* Added some logging to debug

* Removed console.log in execution manager

* Fixed tests, linted

* Remove gas metering

* Have init set storage root

* Fixed account encoding

* Fix for when storage values do not change

* Added remaining fixes

* Tweaks as per review

* Another sm fix

* More sm fixes

* Fixes in the state manager

* Added more comments

* Fix compilation error

* Another compilation error

* Minor fixes re: review

* reentrancy guard

* check-effects-interactions pattern

* add revert for bad prefix

* sad path merkletrie tests

* bad node prefix test

* add failing test case with this issue

* add _malloc which works

* malloc words not bytes

* add SafeMath, add dummy check for gas sufficiency

* gas_overhead const

* custom safemath

* add gasLimit param for testing, safemath credit

* feat: allow multiple state transitioners per pre-state root by tx hash

* test: specify tx hash when finalizing fraud verification

* test: specify tx hash when recording gas spent

* test: add test for multiple fraud proofs per stateroot

* chore: remove redundant test

* fix up test indexing and mock interface
Co-authored-by: ben-chain <ben@pseudonym.party>