* refactor[contracts]: Remove two unused contracts

* chore[contracts]: Add changeset

* docs[contracts]: Added a comment to explain removal of 0x42..05

* Port OVM_DeployerWhitelist to use ovm-solc

* chore[contracts]: Add changeset

* Update packages/contracts/contracts/optimistic-ethereum/OVM/predeploys/OVM_DeployerWhitelist.sol
Co-authored-by: Maurelian <maurelian@protonmail.ch>
Co-authored-by: Maurelian <maurelian@protonmail.ch>

* Port OVM_ECDSAContractAccount to use ovm-solc

* refactor[contracts]: Use OVM_ETH instead of iOVM_ERC20

* chore[contracts]: Add changeset

* Port OVM_ProxyEOA to use ovm-solc

* Remove all constructor logic from ProxyEOA

* chore[contracts]: add changeset

* chore: log errors on monotonicity fixes

* add changeset

* l2geth: add batch querying to rollup client

* l2geth: add patch changeset

* l2geth: complete mock client interface

* l2geth: add comments to rollup client

* l2geth: more idiomatic error handling

* test: pin down gas estimation for transfers

* fix(l2geth): charge fees differently for zero/non-zero bytes of data

* test: update estimated gas values

* chore: gofmt & changeset

* fix(l2geth): calculate zeros correctly

* dtl: remove stopL2SyncAtHeight config

* dtl: implement query param based backend

* dtl: remove dead comment

* dtl: add changeset

* dtl: standardize on backend query param

* changeset: update comment

* port SequencerEntrypoint to use ovm solc

* Minor tweaks and comments

* have hardhat-ovm invalidate cache on commit to solc-bin

* remove temporary solc version override

* have cache invalidation on a per-version basis

* remove ethereumjs-util dep

* fix lint error

* use allow_kall_2 compiler until build is fixed

* add changeset

* fix: run yarn lint:fix

* l2geth: set default timestamp refresh threshold to 3 mins

* l2geth: add changeset

* fix: send batch-submitter error logs to sentry

* chore: changeset

* move sentry to logger and use multi-stream

* l2geth: add verified index to db and api

* l2geth: add patch changeset

* l2geth: commit updated go.sum

* l2geth: add changeset

* l2geth: replica must also keep track of gas

* l2geth: refactor sequencer loop

* l2geth: updateL1GasPrice comment

* l2geth: explicitly test gas updating

* l2geth: add changeset

* l2geth: rename ROLLUP_BASE_TX_SIZE to standard golang style

* l2geth: add changeset

* integration tests: ovm context

* integration tests: add changeset

* optimization: add back in the geohot abi caching

* changeset: patch