* feat[contracts]: add GasPriceOracle w/o predeploy

Based on #912

* feat[contracts]: congestion price oracle

* chore: add changeset

* contracts: gas price oracle (#917)

* contracts: gas price oracle

* tests: update

* fees: fix tests

* contracts: simplify gas price oracle

* lint: fix

* test: execution price is at the 1st storage slot

* chore: rename predeploy to GasPriceOracle

* chore: rename gas price oracle test name
Co-authored-by: Mark Tyneway <mark.tyneway@gmail.com>
Co-authored-by: Georgios Konstantopoulos <me@gakonst.com>

* Add an L2 deploy script for gas oracle contract

* Add a kovan deployment artifact

* Add deployment to readme

* Add extra validation & initial execution price

* Update README.md

* Fix execution price logic

* Perform new deployment with final contract

* contracts: better require in ovm gas price oracle

* Deploy L2GasPriceOracle

* Update contract to use new fee logic & rename to gas

* Deploy updated contract

* Fix lint

* gas price oracle: do not restrict gas price

* gas price oracle: new deployment

* tests: delete dead test
Co-authored-by: smartcontracts <kelvinfichter@gmail.com>
Co-authored-by: Mark Tyneway <mark.tyneway@gmail.com>
Co-authored-by: Georgios Konstantopoulos <me@gakonst.com>

* Add healthcheck endpoint for rpc-proxy
Added ethereum-nginx-proxy source
updated README and docker image build

* Check ETH_CALLS_ALLOWED is set, clean up comments, remove old Dockerfile

* dtl: log error stack for failed http request

* chore: add changeset

* docs[message-relayer]: add basic docs and clean up an interface

* chore: add changeset

* chore: delete dead coders

* chore: add changeset

* dtl: remove dead imports

* core-utils: delete dead tests

* batch-submitter: remove txtype

* chore: add changeset

* core-utils: fee impl v3

* l2geth: fees v3 impl

* integration-tests: update for fees v3

* chore: add changeset

* fix: typo

* integration-tests: fix and generalize

* fees: update fee scalar

* l2geth: check gas in the mempool behind usingovm

* tests: fix up

* l2geth: remove dead var

* truffle: fix config

* update rollup timestamp refresh

* increase refresh time to 5s

* fix[message-relayer]: remove spreadsheet mode

* chore: add changeset

* fix[smock]: fix broken call assertions for overloaded functions

* chore: add changeset

* minor correction and add a test

* add a test for non-overloaded functions

* kovan: fix attempt

* kovan: db fix

* kovan: types are strings from db

* l2geth: parse things as strings

* chore: add changeset

* dtl: also stringify the range query

* geth: dereference

* geth: assign err

* dtl: handle null

* dtl: fix unit tests

* feat[message-relayer]: relay tx generator

* whoops, I burned our infura key

* fix minor bug

* add comments

* add more comments and clean stuff up

* add empty test descriptions

* add tests

* move smock to dev deps

* chore: add changeset

* minor cleanup to merkle tree proof function

* use bignumber math to avoid nested await

* use a better interface

* minor fixes and simplifications

Bumps [ws](https://github.com/websockets/ws) from 7.4.4 to 7.4.6.
- [Release notes](https://github.com/websockets/ws/releases)
- [Commits](https://github.com/websockets/ws/compare/7.4.4...7.4.6)
Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

* Add static analysis github action
setup python and install slither

* Add nvmrc file for setting node to v14.17

* Update slither command run to link missing contract packages from monorepo root

* Add steps for installing dependencies

* Add yarn build step to github action

* Enable colour in github action for static analysis

* Disable certain detectors

* Ensure slither does not fail build

* Add instructions on running static analysis to monorepo readme

* 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>

* feat: add deployment instructions to readme

* Add changeset

* fix style

* Update README.md

* fix: use correct line endings for windows

* chore: add changeset

* fix[dtl]: represent gas limit as a string to avoid issues with large gas limits

* chore: add changeset

* l2geth: rollup client type decode string

* chore: add changeset
Co-authored-by: Mark Tyneway <mark.tyneway@gmail.com>

* feat[ops]: add verifier config

* add verifier sync test

* add changeset

* feat[smock]: add support for overloaded functions

* chore: add changeset

* test: adds test that gas estimation is deterministic

* chore: yarn lint

* l2geth: add Backend enums and config parsing

* l2geth: move OVMContext to types file

* l2geth: implement syncservice spec

* l2geth: fix error handling for get tx batch

* l2geth: update tests to compile and pass

* l2geth: add sync range functions

* l2geth: add batch index indexing

* l2geth: update syncservice hot path logging

* l2geth: use indexed batch index

* chore: add changeset

* l2geth: sync spec refactor (#822)

* l2geth: more in depth usage string

* l2geth: add standard client getters for index

* l2geth: refactor sync service into shared codepaths

* l2geth: clean up tests

* l2geth: better logging and error handling

* test: improve test coverage around timestamps

* l2geth: improve docstring

* l2geth: rename variable

* sync-service: better logline

* l2geth: better logline

* l2geth: test apply indexed transaction

* l2geth: better logline

* linting: fix

* syncservice: fix logline

* l2geth: add error and fix logline

* l2geth: sync service tests

* fix: get last confirmed enqueue (#846)

* l2geth: fix get last confirmed enqueue

* chore: add changeset

* client: return error correctly

* batch-submitter: updated config (#847)

* batch-submitter: backwards compatible configuration

* chore: add changeset

* deps: update

* js: move bcfg interface to core-utils

* batch-submitter: parse USE_SENTRY and add to env example

* chore: add changeset

* batch-submitter: parse as float instead of int

* batch-submitter: better error logging

* l2geth: update rawdb logline
Co-authored-by: Georgios Konstantopoulos <me@gakonst.com>

* l2geth: more robust testing
Co-authored-by: Georgios Konstantopoulos <me@gakonst.com>

* l2geth: add sanity check for L1ToL2 timestamps

* l2geth: handle error in single place

* l2geth: fix test tx queue origin

* l2geth: add new arg to start.sh

* l2geth: return error in the SyncService.Start()

* chore: go fmt
Co-authored-by: Georgios Konstantopoulos <me@gakonst.com>

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

* l2geth: updated calculate rollup fee

* l2geth: implement the gasprice serialization

* lint: fix

* rollup-test: fix

* l2geth: gaslimit encoding state polling (#927)

* l2geth: rollup gas price oracle state polling

* l2geth: read l2 gasprice from the tip

* l2geth: add config options for L2 gas price

* l2geth: comment to remove code in future

* l2geth: handle 0 and 1 fees

* l2geth: enable 0 and 1 fee tests

* feat: gaslimit encoding end to end (#932)

* core-utils: add fees package

* integration-tests: refactor for new fees

* l2geth: end to end fee spec

* l2geth: use new env var

* deps: regenerate

* lint: fix

* l2geth: fee verification

* tests: update gas prices

* tests: update gas prices

* tests: cleanup

* l2geth: small cleanup

* l2geth: fix max

* feat: fix fee calculations with bigints

* tests: fix

* tests: lint

* core-utils: rename fees to L2GasLimit

* l2geth: fix comment

* l2geth: fix name of env var

* l2geth: delete extra print statement

* l2geth: fix logline

* tests: fix typo

* l2geth: improve readability

* chore: add changeset

* l2geth: fix compiler error

* feat: clean up and fix fees

* lint: fix

* core-utils: refactor api to be more friendly

* lint: fix

* comments: fix

* refactor: clean up style and common language
Co-authored-by: Georgios Konstantopoulos <me@gakonst.com>

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
Co-authored-by: Liam Horne <liam@lihorne.com>

* fix[l2geth]: have successful deposits return a status of 1

* chore: add changeset

* Update evm.go

* correctly handle reverts and add extra tests

* various tweaks and have watcher handle failed txs

* chore: add changeset

* add tests for 42 and dead addresses

* fix: remove colons from filenames of deployed contracts

* build: add changeset

* build: do not publish versions on develop

* build: introduce canary build tool using Github Actions

* fix: impl suggestions

* fix: bug