Feat/tx gateway

[thedarkjester]

trafficstars

This PR implements issue(s) #817

Checklist

• [x] I wrote new tests for my new core changes.
• [x] I have successfully ran tests, style checker and build against my new changes locally.
• [x] I have informed the team of any breaking changes if there are any.

[codecov-commenter]

Codecov Report

:white_check_mark: All modified and coverable lines are covered by tests. :white_check_mark: Project coverage is 65.58%. Comparing base (00022b7) to head (cfec0ac). :warning: Report is 1 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main     #897      +/-   ##
============================================
- Coverage     65.67%   65.58%   -0.09%     
+ Complexity     1522     1470      -52     
============================================
  Files           389      387       -2     
  Lines         14117    14037      -80     
  Branches       1454     1460       +6     
============================================
- Hits           9271     9206      -65     
+ Misses         4236     4228       -8     
+ Partials        610      603       -7     

Flag	Coverage Δ		*Carryforward flag
hardhat	96.59% <100.00%> (+0.39%)	:arrow_up:
kotlin	62.82% <ø> (-0.45%)	:arrow_down:	Carriedforward from d9e7842

*This pull request uses carry forward flags. Click here to find out more.

Files with missing lines	Coverage Δ
contracts/src/libraries/FinalizedStateHashing.sol	100.00% <100.00%> (ø)
contracts/src/libraries/RlpEncoder.sol	100.00% <100.00%> (ø)
contracts/src/rollup/ForcedTransactionGateway.sol	100.00% <100.00%> (ø)
contracts/src/rollup/LineaRollup.sol	100.00% <100.00%> (ø)
contracts/src/rollup/LineaRollupBase.sol	98.80% <100.00%> (+0.14%)	:arrow_up:

... and 26 files with indirect coverage changes

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[cla-assistant[bot]]

All committers have signed the CLA.

[cla-assistant[bot]]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you all sign our Contributor License Agreement before we can accept your contribution.
11 out of 12 committers have signed the CLA.

:white_check_mark: thedarkjester
:white_check_mark: kyzooghost
:white_check_mark: AlexandreBelling
:white_check_mark: viphan007
:white_check_mark: VGau
:white_check_mark: jonesho
:white_check_mark: fluentcrafter
:white_check_mark: bogdanbear
:white_check_mark: Filter94
:white_check_mark: julien-marchand
:white_check_mark: gauravahuja
:x: FlorianHuc
_{You have signed the CLA already but the status is still pending? Let us recheck it.}

[github-actions[bot]]

PR has had no activity for 30 days. What is blocking it? Is there anything you can do to help move it forward? Without action it will be closed in 7 days.

[github-actions[bot]]

Closing stale PR as no activity for 7 days