* l2 geth: new fee logic

* l2 geth: migrate to fees package

* core-utils: new fee scheme

* chore: add changeset

* l2geth: delete dead code

* integration-tests: fix typo

* integration-tests: fixes

* fees: use fee scalar

* lint: fix

* rollup: correct gas payment comparison

* fix(integration-tests): do not hardcode gas price

* core-utils: update with new scheme

* l2geth: refactor rollup oracle

* l2geth: clean up DoEstimateGas

* l2geth: implement latest scheme

* tests: fix up

* lint: fix

* l2geth: better sycn service test

* optimism: rename to TxGasLimit

* fee: fix docstring

* tests: fix

* variables: rename

* l2geth: prevent users from sending txs with too high of a fee

* integration-tests: fix import

* integration-tests: fix type

* integration-tests: fix gas limits

* lint: fix

* l2geth: log error
Co-authored-by: Georgios Konstantopoulos <me@gakonst.com>