Merge pull request #2504 from ethereum-optimism/develop

Develop -> Master

.changeset/blue-olives-add.md

+---
+'@eth-optimism/proxyd': patch
+---
+
+proxyd: Log ssanitized RPC requests

.changeset/cuddly-rings-reply.md

+---
+'@eth-optimism/indexer': minor
+---
+
+Add airdrops API

.changeset/flat-goats-itch.md

+---
+'@eth-optimism/proxyd': patch
+---
+
+proxyd: Reduced RPC request logging

.changeset/funny-zebras-glow.md

+---
+'@eth-optimism/teleportr': patch
+---
+
+Use L2 gas price in driver

.changeset/long-ties-boil.md

+---
+'@eth-optimism/l2geth-exporter': patch
+---
+
+Added SCC collection

.changeset/rude-mayflies-shout.md

+---
+'@eth-optimism/proxyd': patch
+---
+
+proxyd: Limit the number of concurrent RPCs to backends

.changeset/stupid-apples-glow.md

+---
+'@eth-optimism/indexer': patch
+---
+
+fix context reuse

.changeset/three-eggs-approve.md

+---
+'@eth-optimism/l2geth': patch
+---
+
+rollup: fix log.Crit usage

.changeset/tidy-oranges-float.md

+---
+'@eth-optimism/l2geth': patch
+---
+
+l2geth: Record rollup transaction metrics

.changeset/tidy-swans-yell.md

+---
+'@eth-optimism/replica-healthcheck': patch
+---
+
+Fixes a bug that would cause the service to stop properly checking blocks when the target client consistently leads the reference client

.changeset/tiny-rules-report.md

+---
+'@eth-optimism/integration-tests': patch
+---
+
+Add tests for system addrs on verifiers/replicas

.changeset/yellow-pandas-help.md

+---
+'@eth-optimism/sdk': patch
+---
+
+Fixes a bug where the wrong Overrides type was being used for gas estimation functions

.github/mergify.yml

@@ -9,6 +9,7 @@ pull_request_rules:
         - "#review-threads-unresolved=0"
         - "#approved-reviews-by>=2"
         - "#changes-requested-reviews-by=0"
+        - "label!=do-not-merge"
         - or:
           - and:
             - "label!=SR-Risk"
@@ -100,7 +101,7 @@ pull_request_rules:
   - name: Nag changesets
     conditions:
       - and:
-        - 'files~=\.(ts|go|js|mod|sum)$'
+        - 'files~=\.((?<!\.spec\.)ts|go|js|mod|sum)$'
         - '-files~=^\.changeset/(.*)\.md'
     actions:
       comment:

go/indexer/db/airdrop.go

+package db
+
+type Airdrop struct {
+	Address              string `json:"address"`
+	VoterAmount          string `json:"voterAmount"`
+	MultisigSignerAmount string `json:"multisigSignerAmount"`
+	GitcoinAmount        string `json:"gitcoinAmount"`
+	ActiveBridgedAmount  string `json:"activeBridgedAmount"`
+	OpUserAmount         string `json:"opUserAmount"`
+	OpRepeatUserAmount   string `json:"opRepeatUserAmount"`
+	BonusAmount          string `json:"bonusAmount"`
+	TotalAmount          string `json:"totalAmount"`
+}

go/indexer/db/db.go

@@ -3,6 +3,8 @@ package db
 import (
 	"database/sql"
 	"errors"
+	"fmt"
+	"strings"
 
 	l2common "github.com/ethereum-optimism/optimism/l2geth/common"
 	"github.com/ethereum/go-ethereum/common"
@@ -17,6 +19,31 @@ type Database struct {
 	config string
 }
 
+// NewDatabase returns the database for the given connection string.
+func NewDatabase(config string) (*Database, error) {
+	db, err := sql.Open("postgres", config)
+	if err != nil {
+		return nil, err
+	}
+
+	err = db.Ping()
+	if err != nil {
+		return nil, err
+	}
+
+	for _, migration := range schema {
+		_, err = db.Exec(migration)
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	return &Database{
+		db:     db,
+		config: config,
+	}, nil
+}
+
 // Close closes the database.
 // NOTE: "It is rarely necessary to close a DB."
 // See: https://pkg.go.dev/database/sql#Open
@@ -633,27 +660,38 @@ func (d *Database) GetIndexedL1BlockByHash(hash common.Hash) (*IndexedL1Block, e
 	return block, nil
 }
 
-// NewDatabase returns the database for the given connection string.
-func NewDatabase(config string) (*Database, error) {
-	db, err := sql.Open("postgres", config)
-	if err != nil {
-		return nil, err
+const getAirdropQuery = `
+SELECT 
+	address, voter_amount, multisig_signer_amount, gitcoin_amount,
+	active_bridged_amount, op_user_amount, op_repeat_user_amount, 
+    bonus_amount, total_amount
+FROM airdrops
+WHERE address = $1
+`
+
+func (d *Database) GetAirdrop(address common.Address) (*Airdrop, error) {
+	row := d.db.QueryRow(getAirdropQuery, strings.ToLower(address.String()))
+	if row.Err() != nil {
+		return nil, fmt.Errorf("error getting airdrop: %v", row.Err())
 	}
 
-	err = db.Ping()
-	if err != nil {
-		return nil, err
+	airdrop := new(Airdrop)
+	err := row.Scan(
+		&airdrop.Address,
+		&airdrop.VoterAmount,
+		&airdrop.MultisigSignerAmount,
+		&airdrop.GitcoinAmount,
+		&airdrop.ActiveBridgedAmount,
+		&airdrop.OpUserAmount,
+		&airdrop.OpRepeatUserAmount,
+		&airdrop.BonusAmount,
+		&airdrop.TotalAmount,
+	)
+	if errors.Is(err, sql.ErrNoRows) {
+		return nil, nil
 	}
-
-	for _, migration := range schema {
-		_, err = db.Exec(migration)
-		if err != nil {
-			return nil, err
-		}
+	if err != nil {
+		return nil, fmt.Errorf("error scanning airdrop: %v", err)
 	}
-
-	return &Database{
-		db:     db,
-		config: config,
-	}, nil
+	return airdrop, nil
 }

go/indexer/db/sql.go

@@ -107,6 +107,21 @@ CREATE UNIQUE INDEX IF NOT EXISTS l1_blocks_number ON l1_blocks(number);
 CREATE UNIQUE INDEX IF NOT EXISTS l2_blocks_number ON l2_blocks(number);
 `
 
+const createAirdropsTable = `
+CREATE TABLE IF NOT EXISTS airdrops (
+	address VARCHAR(42) PRIMARY KEY,
+	voter_amount VARCHAR NOT NULL DEFAULT '0' CHECK(voter_amount ~ '^\d+$') ,
+	multisig_signer_amount VARCHAR NOT NULL DEFAULT '0' CHECK(multisig_signer_amount ~ '^\d+$'),
+	gitcoin_amount VARCHAR NOT NULL DEFAULT '0' CHECK(gitcoin_amount ~ '^\d+$'),
+	active_bridged_amount VARCHAR NOT NULL DEFAULT '0' CHECK(active_bridged_amount ~ '^\d+$'),
+	op_user_amount VARCHAR NOT NULL DEFAULT '0' CHECK(op_user_amount ~ '^\d+$'),
+	op_repeat_user_amount VARCHAR NOT NULL DEFAULT '0' CHECK(op_user_amount ~ '^\d+$'),
+	op_og_amount VARCHAR NOT NULL DEFAULT '0' CHECK(op_og_amount ~ '^\d+$'),
+	bonus_amount VARCHAR NOT NULL DEFAULT '0' CHECK(bonus_amount ~ '^\d+$'),
+	total_amount VARCHAR NOT NULL CHECK(voter_amount ~ '^\d+$')
+)
+`
+
 var schema = []string{
 	createL1BlocksTable,
 	createL2BlocksTable,
@@ -118,4 +133,5 @@ var schema = []string{
 	createDepositsTable,
 	createWithdrawalsTable,
 	createL1L2NumberIndex,
+	createAirdropsTable,
 }

go/indexer/indexer.go

@@ -9,6 +9,8 @@ import (
 	"strconv"
 	"time"
 
+	"github.com/ethereum-optimism/optimism/go/indexer/services"
+
 	l2rpc "github.com/ethereum-optimism/optimism/l2geth/rpc"
 
 	"github.com/ethereum-optimism/optimism/go/indexer/metrics"
@@ -83,8 +85,10 @@ type Indexer struct {
 
 	l1IndexingService *l1.Service
 	l2IndexingService *l2.Service
+	airdropService    *services.Airdrop
 
-	router *mux.Router
+	router  *mux.Router
+	metrics *metrics.Metrics
 }
 
 // NewIndexer initializes the Indexer, gathering any resources
@@ -201,7 +205,9 @@ func NewIndexer(cfg Config, gitVersion string) (*Indexer, error) {
 		l2Client:          l2Client,
 		l1IndexingService: l1IndexingService,
 		l2IndexingService: l2IndexingService,
+		airdropService:    services.NewAirdrop(db, m),
 		router:            mux.NewRouter(),
+		metrics:           m,
 	}, nil
 }
 
@@ -216,6 +222,7 @@ func (b *Indexer) Serve() error {
 	b.router.HandleFunc("/v1/deposits/0x{address:[a-fA-F0-9]{40}}", b.l1IndexingService.GetDeposits).Methods("GET")
 	b.router.HandleFunc("/v1/withdrawal/0x{hash:[a-fA-F0-9]{64}}", b.l2IndexingService.GetWithdrawalBatch).Methods("GET")
 	b.router.HandleFunc("/v1/withdrawals/0x{address:[a-fA-F0-9]{40}}", b.l2IndexingService.GetWithdrawals).Methods("GET")
+	b.router.HandleFunc("/v1/airdrops/0x{address:[a-fA-F0-9]{40}}", b.airdropService.GetAirdrop)
 	b.router.HandleFunc("/healthz", func(w http.ResponseWriter, r *http.Request) {
 		w.WriteHeader(200)
 		_, err := w.Write([]byte("OK"))
@@ -224,7 +231,7 @@ func (b *Indexer) Serve() error {
 		}
 	})
 
-	middleware := server.LoggingMiddleware(log.New("service", "server"))
+	middleware := server.LoggingMiddleware(b.metrics, log.New("service", "server"))
 
 	port := strconv.FormatUint(b.cfg.RESTPort, 10)
 	addr := fmt.Sprintf("%s:%s", b.cfg.RESTHostname, port)

go/indexer/metrics/metrics.go

@@ -3,6 +3,8 @@ package metrics
 import (
 	"fmt"
 	"net/http"
+	"strconv"
+	"time"
 
 	l2common "github.com/ethereum-optimism/optimism/l2geth/common"
 	"github.com/ethereum/go-ethereum/common"
@@ -32,6 +34,12 @@ type Metrics struct {
 
 	CachedTokensCount *prometheus.CounterVec
 
+	HTTPRequestsCount prometheus.Counter
+
+	HTTPResponsesCount *prometheus.CounterVec
+
+	HTTPRequestDurationSecs prometheus.Summary
+
 	tokenAddrs map[string]string
 }
 
@@ -110,6 +118,27 @@ func NewMetrics(monitoredTokens map[string]string) *Metrics {
 			"chain",
 		}),
 
+		HTTPRequestsCount: promauto.NewCounter(prometheus.CounterOpts{
+			Name:      "http_requests_count",
+			Help:      "How many HTTP requests this instance has seen",
+			Namespace: metricsNamespace,
+		}),
+
+		HTTPResponsesCount: promauto.NewCounterVec(prometheus.CounterOpts{
+			Name:      "http_responses_count",
+			Help:      "How many HTTP responses this instance has served",
+			Namespace: metricsNamespace,
+		}, []string{
+			"status_code",
+		}),
+
+		HTTPRequestDurationSecs: promauto.NewSummary(prometheus.SummaryOpts{
+			Name:       "http_request_duration_secs",
+			Help:       "How long each HTTP request took",
+			Namespace:  metricsNamespace,
+			Objectives: map[float64]float64{0.5: 0.05, 0.9: 0.01, 0.95: 0.005, 0.99: 0.001},
+		}),
+
 		tokenAddrs: mts,
 	}
 }
@@ -176,6 +205,15 @@ func (m *Metrics) IncL2CachedTokensCount() {
 	m.CachedTokensCount.WithLabelValues("l2").Inc()
 }
 
+func (m *Metrics) RecordHTTPRequest() {
+	m.HTTPRequestsCount.Inc()
+}
+
+func (m *Metrics) RecordHTTPResponse(code int, dur time.Duration) {
+	m.HTTPResponsesCount.WithLabelValues(strconv.Itoa(code)).Inc()
+	m.HTTPRequestDurationSecs.Observe(float64(dur) / float64(time.Second))
+}
+
 func (m *Metrics) Serve(hostname string, port uint64) (*http.Server, error) {
 	mux := http.NewServeMux()
 	mux.Handle("/metrics", promhttp.Handler())

go/indexer/server/server.go

@@ -6,6 +6,8 @@ import (
 	"runtime/debug"
 	"time"
 
+	"github.com/ethereum-optimism/optimism/go/indexer/metrics"
+
 	"github.com/ethereum/go-ethereum/log"
 )
 
@@ -50,7 +52,7 @@ func (rw *responseWriter) WriteHeader(code int) {
 }
 
 // LoggingMiddleware logs the incoming HTTP request & its duration.
-func LoggingMiddleware(logger log.Logger) func(http.Handler) http.Handler {
+func LoggingMiddleware(metrics *metrics.Metrics, logger log.Logger) func(http.Handler) http.Handler {
 	return func(next http.Handler) http.Handler {
 		fn := func(w http.ResponseWriter, r *http.Request) {
 			defer func() {
@@ -64,16 +66,19 @@ func LoggingMiddleware(logger log.Logger) func(http.Handler) http.Handler {
 				}
 			}()
 
+			metrics.RecordHTTPRequest()
 			start := time.Now()
 			wrapped := wrapResponseWriter(w)
 			next.ServeHTTP(wrapped, r)
+			dur := time.Since(start)
 			logger.Info(
 				"served request",
 				"status", wrapped.status,
 				"method", r.Method,
 				"path", r.URL.EscapedPath(),
-				"duration", time.Since(start),
+				"duration", dur,
 			)
+			metrics.RecordHTTPResponse(wrapped.status, dur)
 		}
 
 		return http.HandlerFunc(fn)

go/indexer/services/airdrop.go

+package services
+
+import (
+	"net/http"
+
+	"github.com/ethereum-optimism/optimism/go/indexer/db"
+	"github.com/ethereum-optimism/optimism/go/indexer/metrics"
+	"github.com/ethereum-optimism/optimism/go/indexer/server"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/log"
+	"github.com/gorilla/mux"
+)
+
+var airdropLogger = log.New("service", "airdrop")
+
+type Airdrop struct {
+	db      *db.Database
+	metrics *metrics.Metrics
+}
+
+func NewAirdrop(db *db.Database, metrics *metrics.Metrics) *Airdrop {
+	return &Airdrop{
+		db:      db,
+		metrics: metrics,
+	}
+}
+
+func (a *Airdrop) GetAirdrop(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	address := vars["address"]
+	airdrop, err := a.db.GetAirdrop(common.HexToAddress(address))
+	if err != nil {
+		airdropLogger.Error("db error getting airdrop", "err", err)
+		server.RespondWithError(w, http.StatusInternalServerError, "database error")
+		return
+	}
+
+	if airdrop == nil {
+		server.RespondWithError(w, http.StatusNotFound, "airdrop not found")
+		return
+	}
+
+	server.RespondWithJSON(w, http.StatusOK, airdrop)
+}

go/indexer/services/l1/bridge/eth_bridge.go

@@ -24,10 +24,9 @@ func (e *EthBridge) Address() common.Address {
 func (e *EthBridge) GetDepositsByBlockRange(start, end uint64) (DepositsMap, error) {
 	depositsByBlockhash := make(DepositsMap)
 
-	iter, err := FilterETHDepositInitiatedWithRetry(e.filterer, &bind.FilterOpts{
-		Start:   start,
-		End:     &end,
-		Context: e.ctx,
+	iter, err := FilterETHDepositInitiatedWithRetry(e.ctx, e.filterer, &bind.FilterOpts{
+		Start: start,
+		End:   &end,
 	})
 	if err != nil {
 		logger.Error("Error fetching filter", "err", err)

go/indexer/services/l1/bridge/filter.go

@@ -15,54 +15,48 @@ var clientRetryInterval = 5 * time.Second
 
 // FilterStateBatchAppendedWithRetry retries the given func until it succeeds,
 // waiting for clientRetryInterval duration after every call.
-func FilterStateBatchAppendedWithRetry(filterer *scc.StateCommitmentChainFilterer, opts *bind.FilterOpts) (*scc.StateCommitmentChainStateBatchAppendedIterator, error) {
+func FilterStateBatchAppendedWithRetry(ctx context.Context, filterer *scc.StateCommitmentChainFilterer, opts *bind.FilterOpts) (*scc.StateCommitmentChainStateBatchAppendedIterator, error) {
 	for {
-		ctxt, cancel := context.WithTimeout(opts.Context, DefaultConnectionTimeout)
+		ctxt, cancel := context.WithTimeout(ctx, DefaultConnectionTimeout)
 		opts.Context = ctxt
 		res, err := filterer.FilterStateBatchAppended(opts, nil)
-		switch err {
-		case nil:
-			cancel()
-			return res, err
-		default:
-			logger.Error("Error fetching filter", "err", err)
+		cancel()
+		if err == nil {
+			return res, nil
 		}
+		logger.Error("Error fetching filter", "err", err)
 		time.Sleep(clientRetryInterval)
 	}
 }
 
 // FilterETHDepositInitiatedWithRetry retries the given func until it succeeds,
 // waiting for clientRetryInterval duration after every call.
-func FilterETHDepositInitiatedWithRetry(filterer *l1bridge.L1StandardBridgeFilterer, opts *bind.FilterOpts) (*l1bridge.L1StandardBridgeETHDepositInitiatedIterator, error) {
+func FilterETHDepositInitiatedWithRetry(ctx context.Context, filterer *l1bridge.L1StandardBridgeFilterer, opts *bind.FilterOpts) (*l1bridge.L1StandardBridgeETHDepositInitiatedIterator, error) {
 	for {
-		ctxt, cancel := context.WithTimeout(opts.Context, DefaultConnectionTimeout)
+		ctxt, cancel := context.WithTimeout(ctx, DefaultConnectionTimeout)
 		opts.Context = ctxt
 		res, err := filterer.FilterETHDepositInitiated(opts, nil, nil)
-		switch err {
-		case nil:
-			cancel()
-			return res, err
-		default:
-			logger.Error("Error fetching filter", "err", err)
+		cancel()
+		if err == nil {
+			return res, nil
 		}
+		logger.Error("Error fetching filter", "err", err)
 		time.Sleep(clientRetryInterval)
 	}
 }
 
 // FilterERC20DepositInitiatedWithRetry retries the given func until it succeeds,
 // waiting for clientRetryInterval duration after every call.
-func FilterERC20DepositInitiatedWithRetry(filterer *l1bridge.L1StandardBridgeFilterer, opts *bind.FilterOpts) (*l1bridge.L1StandardBridgeERC20DepositInitiatedIterator, error) {
+func FilterERC20DepositInitiatedWithRetry(ctx context.Context, filterer *l1bridge.L1StandardBridgeFilterer, opts *bind.FilterOpts) (*l1bridge.L1StandardBridgeERC20DepositInitiatedIterator, error) {
 	for {
-		ctxt, cancel := context.WithTimeout(opts.Context, DefaultConnectionTimeout)
+		ctxt, cancel := context.WithTimeout(ctx, DefaultConnectionTimeout)
 		opts.Context = ctxt
 		res, err := filterer.FilterERC20DepositInitiated(opts, nil, nil, nil)
-		switch err {
-		case nil:
-			cancel()
-			return res, err
-		default:
-			logger.Error("Error fetching filter", "err", err)
+		cancel()
+		if err == nil {
+			return res, nil
 		}
+		logger.Error("Error fetching filter", "err", err)
 		time.Sleep(clientRetryInterval)
 	}
 }

go/indexer/services/l1/bridge/standard_bridge.go

@@ -24,10 +24,9 @@ func (s *StandardBridge) Address() common.Address {
 func (s *StandardBridge) GetDepositsByBlockRange(start, end uint64) (DepositsMap, error) {
 	depositsByBlockhash := make(DepositsMap)
 
-	iter, err := FilterERC20DepositInitiatedWithRetry(s.filterer, &bind.FilterOpts{
-		Start:   start,
-		End:     &end,
-		Context: s.ctx,
+	iter, err := FilterERC20DepositInitiatedWithRetry(s.ctx, s.filterer, &bind.FilterOpts{
+		Start: start,
+		End:   &end,
 	})
 	if err != nil {
 		logger.Error("Error fetching filter", "err", err)

go/indexer/services/l1/query.go

@@ -44,10 +44,9 @@ func QueryERC20(address common.Address, client *ethclient.Client) (*db.Token, er
 func QueryStateBatches(filterer *scc.StateCommitmentChainFilterer, startHeight, endHeight uint64, ctx context.Context) (map[common.Hash][]db.StateBatch, error) {
 	batches := make(map[common.Hash][]db.StateBatch)
 
-	iter, err := bridge.FilterStateBatchAppendedWithRetry(filterer, &bind.FilterOpts{
-		Start:   startHeight,
-		End:     &endHeight,
-		Context: ctx,
+	iter, err := bridge.FilterStateBatchAppendedWithRetry(ctx, filterer, &bind.FilterOpts{
+		Start: startHeight,
+		End:   &endHeight,
 	})
 	if err != nil {
 		return nil, err

go/indexer/services/l2/bridge/filter.go

@@ -14,18 +14,16 @@ var clientRetryInterval = 5 * time.Second
 
 // FilterWithdrawalInitiatedWithRetry retries the given func until it succeeds,
 // waiting for clientRetryInterval duration after every call.
-func FilterWithdrawalInitiatedWithRetry(filterer *l2bridge.L2StandardBridgeFilterer, opts *bind.FilterOpts) (*l2bridge.L2StandardBridgeWithdrawalInitiatedIterator, error) {
+func FilterWithdrawalInitiatedWithRetry(ctx context.Context, filterer *l2bridge.L2StandardBridgeFilterer, opts *bind.FilterOpts) (*l2bridge.L2StandardBridgeWithdrawalInitiatedIterator, error) {
 	for {
-		ctxt, cancel := context.WithTimeout(opts.Context, DefaultConnectionTimeout)
+		ctxt, cancel := context.WithTimeout(ctx, DefaultConnectionTimeout)
 		opts.Context = ctxt
 		res, err := filterer.FilterWithdrawalInitiated(opts, nil, nil, nil)
-		switch err {
-		case nil:
-			cancel()
-			return res, err
-		default:
-			logger.Error("Error fetching filter", "err", err)
+		cancel()
+		if err == nil {
+			return res, nil
 		}
+		logger.Error("Error fetching filter", "err", err)
 		time.Sleep(clientRetryInterval)
 	}
 }

go/indexer/services/l2/bridge/standard_bridge.go

@@ -25,10 +25,9 @@ func (s *StandardBridge) Address() common.Address {
 func (s *StandardBridge) GetWithdrawalsByBlockRange(start, end uint64) (WithdrawalsMap, error) {
 	withdrawalsByBlockhash := make(map[common.Hash][]db.Withdrawal)
 
-	iter, err := FilterWithdrawalInitiatedWithRetry(s.filterer, &bind.FilterOpts{
-		Start:   start,
-		End:     &end,
-		Context: s.ctx,
+	iter, err := FilterWithdrawalInitiatedWithRetry(s.ctx, s.filterer, &bind.FilterOpts{
+		Start: start,
+		End:   &end,
 	})
 	if err != nil {
 		logger.Error("Error fetching filter", "err", err)

go/l2geth-exporter/Makefile

@@ -25,10 +25,10 @@ lint:
 	golangci-lint run ./...
 
 binding:
-	$(eval temp := $(shell mktemp))
+	$(eval tempCTC := $(shell mktemp))
 
 	cat ../../packages/contracts/deployments/mainnet/CanonicalTransactionChain.json \
-		| jq -r .bytecode > $(temp)
+		| jq -r .bytecode > $(tempCTC)
 
 	cat ../../packages/contracts/deployments/mainnet/CanonicalTransactionChain.json \
 		| jq .abi \
@@ -36,6 +36,21 @@ binding:
 		--abi - \
 		--out bindings/CanonicalTransactionChain.go \
 		--type CanonicalTransactionChain \
-		--bin $(temp)
+		--bin $(tempCTC)
 
-	rm $(temp)
+	rm $(tempCTC)
+
+	$(eval tempSCC := $(shell mktemp))
+
+	cat ../../packages/contracts/deployments/mainnet/StateCommitmentChain.json \
+		| jq -r .bytecode > $(tempSCC)
+
+	cat ../../packages/contracts/deployments/mainnet/StateCommitmentChain.json \
+		| jq .abi \
+		| abigen --pkg bindings \
+		--abi - \
+		--out bindings/StateCommitmentChain.go \
+		--type StateCommitmentChain \
+		--bin $(tempSCC)
+
+	rm $(tempSCC)
\ No newline at end of file

go/l2geth-exporter/collector.go

@@ -6,21 +6,22 @@ import (
 
 //Define the metrics we wish to expose
 var (
-	ctcTotalElements = prometheus.NewGaugeVec(
+	addressTotalElements = prometheus.NewGaugeVec(
 		prometheus.GaugeOpts{
-			Name: "l2geth_ctc_total_elements",
-			Help: "CTC GetTotalElements value."},
-		[]string{"state"},
+			Name: "l2geth_total_elements",
+			Help: "GetTotalElements value."},
+		[]string{"state", "address"},
 	)
-	ctcTotalElementsCallSuccess = prometheus.NewGauge(
-		prometheus.GaugeOpts{
-			Name: "l2geth_ctc_total_elements_call_success",
-			Help: "CTC GetTotalElements call success."},
+	addressTotalElementsCallStatus = prometheus.NewCounterVec(
+		prometheus.CounterOpts{
+			Name: "l2geth_total_elements_call_status",
+			Help: "GetTotalElements call status."},
+		[]string{"status", "address"},
 	)
 )
 
 func init() {
 	//Register metrics with prometheus
-	prometheus.MustRegister(ctcTotalElements)
-	prometheus.MustRegister(ctcTotalElementsCallSuccess)
+	prometheus.MustRegister(addressTotalElements)
+	prometheus.MustRegister(addressTotalElementsCallStatus)
 }

go/l2geth-exporter/l1contracts/main.go

@@ -10,12 +10,36 @@ import (
 	"github.com/ethereum/go-ethereum/ethclient"
 )
 
-// CTC interacts with the OVM CTC contract
+// CTC interacts with the OVM Canonical Transaction Chain contract
 type CTC struct {
 	Address common.Address
 	Client  *ethclient.Client
 }
 
+// SCC interacts with the OVM State Commitment Chain contract
+type SCC struct {
+	Address common.Address
+	Client  *ethclient.Client
+}
+
+func (ctc *SCC) GetTotalElements(ctx context.Context) (*big.Int, error) {
+
+	contract, err := bindings.NewCanonicalTransactionChainCaller(ctc.Address, ctc.Client)
+	if err != nil {
+		return nil, err
+	}
+
+	totalElements, err := contract.GetTotalElements(&bind.CallOpts{
+		Context: ctx,
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	return totalElements, nil
+
+}
+
 func (ctc *CTC) GetTotalElements(ctx context.Context) (*big.Int, error) {
 
 	contract, err := bindings.NewCanonicalTransactionChainCaller(ctc.Address, ctc.Client)

go/l2geth-exporter/main.go

@@ -31,11 +31,16 @@ func main() {
 		log.Error("L1_URL environmental variable is required")
 		os.Exit(1)
 	}
-	ctcAddress := os.Getenv("CTC_ADDRESS")
+	ctcAddress := os.Getenv("OVM_CTC_ADDRESS")
 	if ctcAddress == "" {
 		log.Error("CTC_ADDRESS environmental variable is required")
 		os.Exit(1)
 	}
+	sccAddress := os.Getenv("OVM_SCC_ADDRESS")
+	if sccAddress == "" {
+		log.Error("OVM_SCC_ADDRESS environmental variable is required")
+		os.Exit(1)
+	}
 	client, err := ethclient.Dial(l1Url)
 	if err != nil {
 		log.Error("Problem connecting to L1: %s", err)
@@ -51,7 +56,8 @@ func main() {
 		</body>
 		</html>`))
 	})
-	go getCTCTotalElements(ctcAddress, client)
+	go getCTCTotalElements(ctcAddress, "ctc", client)
+	go getSCCTotalElements(sccAddress, "scc", client)
 
 	log.Info("Program starting", "listenAddress", listenAddress, "GETH_URL", l1Url, "CTC_ADDRESS", ctcAddress)
 	if err := http.ListenAndServe(listenAddress, nil); err != nil {
@@ -60,7 +66,35 @@ func main() {
 
 }
 
-func getCTCTotalElements(address string, client *ethclient.Client) {
+func getSCCTotalElements(address string, addressLabel string, client *ethclient.Client) {
+	scc := l1contracts.SCC{
+		Address: common.HexToAddress(address),
+		Client:  client,
+	}
+
+	ticker := time.NewTicker(30 * time.Second)
+	defer ticker.Stop()
+	for {
+		ctx, cancel := context.WithTimeout(context.Background(), time.Second*time.Duration(l1TimeoutSeconds))
+		totalElements, err := scc.GetTotalElements(ctx)
+		if err != nil {
+			addressTotalElementsCallStatus.WithLabelValues("error", addressLabel).Inc()
+			log.Error("Error calling GetTotalElements", "address", addressLabel, "error", err)
+			cancel()
+			continue
+		}
+		addressTotalElementsCallStatus.WithLabelValues("success", addressLabel).Inc()
+		totalElementsFloat, _ := new(big.Float).SetInt(totalElements).Float64()
+		addressTotalElements.WithLabelValues("latest", addressLabel).Set(totalElementsFloat)
+
+		log.Info(addressLabel, "TotalElements", totalElementsFloat)
+		cancel()
+		<-ticker.C
+
+	}
+}
+
+func getCTCTotalElements(address string, addressLabel string, client *ethclient.Client) {
 	ctc := l1contracts.CTC{
 		Address: common.HexToAddress(address),
 		Client:  client,
@@ -72,16 +106,16 @@ func getCTCTotalElements(address string, client *ethclient.Client) {
 		ctx, cancel := context.WithTimeout(context.Background(), time.Second*time.Duration(l1TimeoutSeconds))
 		totalElements, err := ctc.GetTotalElements(ctx)
 		if err != nil {
-			ctcTotalElementsCallSuccess.Set(0)
-			log.Error("Error calling GetTotalElements", "error", err)
+			addressTotalElementsCallStatus.WithLabelValues("error", addressLabel).Inc()
+			log.Error("Error calling GetTotalElements", "address", addressLabel, "error", err)
 			cancel()
 			continue
 		}
-		ctcTotalElementsCallSuccess.Set(1)
+		addressTotalElementsCallStatus.WithLabelValues("success", addressLabel).Inc()
 		totalElementsFloat, _ := new(big.Float).SetInt(totalElements).Float64()
-		ctcTotalElements.WithLabelValues(
-			"latest").Set(totalElementsFloat)
-		log.Info("ctc updated", "ctcTotalElements", totalElementsFloat)
+		addressTotalElements.WithLabelValues("latest", addressLabel).Set(totalElementsFloat)
+
+		log.Info(addressLabel, "TotalElements", totalElementsFloat)
 		cancel()
 		<-ticker.C
 

go/proxyd/backend.go

@@ -19,6 +19,7 @@ import (
 	"github.com/ethereum/go-ethereum/log"
 	"github.com/gorilla/websocket"
 	"github.com/prometheus/client_golang/prometheus"
+	"golang.org/x/sync/semaphore"
 )
 
 const (
@@ -88,7 +89,7 @@ type Backend struct {
 	authUsername         string
 	authPassword         string
 	rateLimiter          RateLimiter
-	client               *http.Client
+	client               *LimitedHTTPClient
 	dialer               *websocket.Dialer
 	maxRetries           int
 	maxResponseSize      int64
@@ -170,6 +171,7 @@ func NewBackend(
 	rpcURL string,
 	wsURL string,
 	rateLimiter RateLimiter,
+	rpcSemaphore *semaphore.Weighted,
 	opts ...BackendOpt,
 ) *Backend {
 	backend := &Backend{
@@ -178,8 +180,10 @@ func NewBackend(
 		wsURL:           wsURL,
 		rateLimiter:     rateLimiter,
 		maxResponseSize: math.MaxInt64,
-		client: &http.Client{
-			Timeout: 5 * time.Second,
+		client: &LimitedHTTPClient{
+			Client:      http.Client{Timeout: 5 * time.Second},
+			sem:         rpcSemaphore,
+			backendName: name,
 		},
 		dialer: &websocket.Dialer{},
 	}
@@ -358,7 +362,7 @@ func (b *Backend) doForward(ctx context.Context, rpcReq *RPCReq) (*RPCRes, error
 	httpReq.Header.Set("content-type", "application/json")
 	httpReq.Header.Set("X-Forwarded-For", xForwardedFor)
 
-	httpRes, err := b.client.Do(httpReq)
+	httpRes, err := b.client.DoLimited(httpReq)
 	if err != nil {
 		return nil, wrapErr(err, "error in backend request")
 	}
@@ -693,3 +697,18 @@ func sleepContext(ctx context.Context, duration time.Duration) {
 	case <-time.After(duration):
 	}
 }
+
+type LimitedHTTPClient struct {
+	http.Client
+	sem         *semaphore.Weighted
+	backendName string
+}
+
+func (c *LimitedHTTPClient) DoLimited(req *http.Request) (*http.Response, error) {
+	if err := c.sem.Acquire(req.Context(), 1); err != nil {
+		tooManyRequestErrorsTotal.WithLabelValues(c.backendName).Inc()
+		return nil, wrapErr(err, "too many requests")
+	}
+	defer c.sem.Release(1)
+	return c.Do(req)
+}

go/proxyd/config.go

@@ -7,11 +7,12 @@ import (
 )
 
 type ServerConfig struct {
-	RPCHost          string `toml:"rpc_host"`
-	RPCPort          int    `toml:"rpc_port"`
-	WSHost           string `toml:"ws_host"`
-	WSPort           int    `toml:"ws_port"`
-	MaxBodySizeBytes int64  `toml:"max_body_size_bytes"`
+	RPCHost           string `toml:"rpc_host"`
+	RPCPort           int    `toml:"rpc_port"`
+	WSHost            string `toml:"ws_host"`
+	WSPort            int    `toml:"ws_port"`
+	MaxBodySizeBytes  int64  `toml:"max_body_size_bytes"`
+	MaxConcurrentRPCs int64  `toml:"max_concurrent_rpcs"`
 
 	// TimeoutSeconds specifies the maximum time spent serving an HTTP request. Note that isn't used for websocket connections
 	TimeoutSeconds int `toml:"timeout_seconds"`

go/proxyd/example.config.toml

@@ -18,6 +18,7 @@ ws_host = "0.0.0.0"
 ws_port = 8085
 # Maximum client body size, in bytes, that the server will accept.
 max_body_size_bytes = 10485760
+max_concurrent_rpcs = 1000
 
 [redis]
 # URL to a Redis instance.

go/proxyd/go.mod

@@ -17,5 +17,6 @@ require (
 	github.com/rs/cors v1.8.0
 	github.com/stretchr/testify v1.7.0
 	github.com/yuin/gopher-lua v0.0.0-20210529063254-f4c35e4016d9 // indirect
+	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c
 	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b // indirect
 )

go/proxyd/integration_tests/max_rpc_conns_test.go

+package integration_tests
+
+import (
+	"net/http"
+	"net/http/httptest"
+	"os"
+	"sync"
+	"testing"
+	"time"
+
+	"github.com/ethereum-optimism/optimism/go/proxyd"
+	"github.com/stretchr/testify/require"
+)
+
+func TestMaxConcurrentRPCs(t *testing.T) {
+	var (
+		mu                sync.Mutex
+		concurrentRPCs    int
+		maxConcurrentRPCs int
+	)
+	handler := func(w http.ResponseWriter, r *http.Request) {
+		mu.Lock()
+		concurrentRPCs++
+		if maxConcurrentRPCs < concurrentRPCs {
+			maxConcurrentRPCs = concurrentRPCs
+		}
+		mu.Unlock()
+
+		time.Sleep(time.Second * 2)
+		SingleResponseHandler(200, goodResponse)(w, r)
+
+		mu.Lock()
+		concurrentRPCs--
+		mu.Unlock()
+	}
+	// We don't use the MockBackend because it serializes requests to the handler
+	slowBackend := httptest.NewServer(http.HandlerFunc(handler))
+	defer slowBackend.Close()
+
+	require.NoError(t, os.Setenv("GOOD_BACKEND_RPC_URL", slowBackend.URL))
+
+	config := ReadConfig("max_rpc_conns")
+	client := NewProxydClient("http://127.0.0.1:8545")
+	shutdown, err := proxyd.Start(config)
+	require.NoError(t, err)
+	defer shutdown()
+
+	type resWithCodeErr struct {
+		res  []byte
+		code int
+		err  error
+	}
+	resCh := make(chan *resWithCodeErr)
+	for i := 0; i < 3; i++ {
+		go func() {
+			res, code, err := client.SendRPC("eth_chainId", nil)
+			resCh <- &resWithCodeErr{
+				res:  res,
+				code: code,
+				err:  err,
+			}
+		}()
+	}
+	res1 := <-resCh
+	res2 := <-resCh
+	res3 := <-resCh
+
+	require.NoError(t, res1.err)
+	require.NoError(t, res2.err)
+	require.NoError(t, res3.err)
+	require.Equal(t, 200, res1.code)
+	require.Equal(t, 200, res2.code)
+	require.Equal(t, 200, res3.code)
+	RequireEqualJSON(t, []byte(goodResponse), res1.res)
+	RequireEqualJSON(t, []byte(goodResponse), res2.res)
+	RequireEqualJSON(t, []byte(goodResponse), res3.res)
+
+	require.EqualValues(t, 2, maxConcurrentRPCs)
+}

go/proxyd/integration_tests/testdata/max_rpc_conns.toml

+[server]
+rpc_port = 8545
+max_concurrent_rpcs = 2
+
+[backend]
+# this should cover blocked requests due to max_concurrent_rpcs
+response_timeout_seconds = 12
+
+[backends]
+[backends.good]
+rpc_url = "$GOOD_BACKEND_RPC_URL"
+ws_url = "$GOOD_BACKEND_RPC_URL"
+
+[backend_groups]
+[backend_groups.main]
+backends = ["good"]
+
+[rpc_method_mappings]
+eth_chainId = "main"

go/proxyd/metrics.go

@@ -212,6 +212,14 @@ var (
 		Help:      "Histogram of Redis command durations, in milliseconds.",
 		Buckets:   MillisecondDurationBuckets,
 	}, []string{"command"})
+
+	tooManyRequestErrorsTotal = promauto.NewCounterVec(prometheus.CounterOpts{
+		Namespace: MetricsNamespace,
+		Name:      "too_many_request_errors_total",
+		Help:      "Count of request timeouts due to too many concurrent RPCs.",
+	}, []string{
+		"backend_name",
+	})
 )
 
 func RecordRedisError(source string) {

go/proxyd/proxyd.go

@@ -10,9 +10,11 @@ import (
 	"strconv"
 	"time"
 
+	"github.com/ethereum/go-ethereum/common/math"
 	"github.com/ethereum/go-ethereum/ethclient"
 	"github.com/ethereum/go-ethereum/log"
 	"github.com/prometheus/client_golang/prometheus/promhttp"
+	"golang.org/x/sync/semaphore"
 )
 
 func Start(config *Config) (func(), error) {
@@ -53,6 +55,12 @@ func Start(config *Config) (func(), error) {
 		}
 	}
 
+	maxConcurrentRPCs := config.Server.MaxConcurrentRPCs
+	if maxConcurrentRPCs == 0 {
+		maxConcurrentRPCs = math.MaxInt64
+	}
+	rpcRequestSemaphore := semaphore.NewWeighted(maxConcurrentRPCs)
+
 	backendNames := make([]string, 0)
 	backendsByName := make(map[string]*Backend)
 	for name, cfg := range config.Backends {
@@ -111,7 +119,7 @@ func Start(config *Config) (func(), error) {
 			opts = append(opts, WithStrippedTrailingXFF())
 		}
 		opts = append(opts, WithProxydIP(os.Getenv("PROXYD_IP")))
-		back := NewBackend(name, rpcURL, wsURL, lim, opts...)
+		back := NewBackend(name, rpcURL, wsURL, lim, rpcRequestSemaphore, opts...)
 		backendNames = append(backendNames, name)
 		backendsByName[name] = back
 		log.Info("configured backend", "name", name, "rpc_url", rpcURL, "ws_url", wsURL)

go/proxyd/server.go

@@ -27,6 +27,7 @@ const (
 	MaxBatchRPCCalls        = 100
 	cacheStatusHdr          = "X-Proxyd-Cache-Status"
 	defaultServerTimeout    = time.Second * 10
+	maxLogLength            = 2000
 )
 
 type Server struct {
@@ -150,6 +151,12 @@ func (s *Server) HandleRPC(w http.ResponseWriter, r *http.Request) {
 	}
 	RecordRequestPayloadSize(ctx, len(body))
 
+	log.Info("Raw RPC request",
+		"body", truncate(string(body)),
+		"req_id", GetReqID(ctx),
+		"auth", GetAuthCtx(ctx),
+	)
+
 	if IsBatch(body) {
 		reqs, err := ParseBatchRPCReq(body)
 		if err != nil {
@@ -457,3 +464,11 @@ func (n *NoopRPCCache) GetRPC(context.Context, *RPCReq) (*RPCRes, error) {
 func (n *NoopRPCCache) PutRPC(context.Context, *RPCReq, *RPCRes) error {
 	return nil
 }
+
+func truncate(str string) string {
+	if len(str) > maxLogLength {
+		return str[:maxLogLength] + "..."
+	} else {
+		return str
+	}
+}

go/teleportr/drivers/disburser/driver.go

@@ -291,7 +291,7 @@ func (d *Driver) UpdateGasPrice(
 	tx *types.Transaction,
 ) (*types.Transaction, error) {
 
-	gasPrice, err := d.cfg.L1Client.SuggestGasPrice(ctx)
+	gasPrice, err := d.cfg.L2Client.SuggestGasPrice(ctx)
 	if err != nil {
 		return nil, err
 	}

infra/op-replica/envs/goerli-nightly/check-for-chaindata.sh

+#!/bin/sh
+set -exu
+
+GETH_DATA_DIR=/geth
+GETH_CHAINDATA_DIR=$GETH_DATA_DIR/geth/chaindata
+GETH_KEYSTORE_DIR=$GETH_DATA_DIR/keystore
+if [ ! -d "$GETH_KEYSTORE_DIR" ]; then
+    echo "$GETH_KEYSTORE_DIR missing, running account import"
+    echo -n "$BLOCK_SIGNER_PRIVATE_KEY_PASSWORD" > "$GETH_DATA_DIR"/password
+    echo -n "$BLOCK_SIGNER_PRIVATE_KEY" > "$GETH_DATA_DIR"/block-signer-key
+    geth account import \
+        --datadir="$GETH_DATA_DIR" \
+        --password="$GETH_DATA_DIR"/password \
+        "$GETH_DATA_DIR"/block-signer-key
+    echo "get account import complete"
+fi
+if [ ! -d "$GETH_CHAINDATA_DIR" ]; then
+    echo "$GETH_CHAINDATA_DIR missing, running init"
+    geth init --datadir="$GETH_DATA_DIR" "$L2GETH_GENESIS_URL" "$L2GETH_GENESIS_HASH"
+    echo "geth init complete"
+else
+    echo "$GETH_CHAINDATA_DIR exists, checking for hardfork."
+    echo "Chain config:"
+    geth dump-chain-cfg --datadir="$GETH_DATA_DIR"
+    if geth dump-chain-cfg --datadir="$GETH_DATA_DIR" | grep -q "\"berlinBlock\": $L2GETH_BERLIN_ACTIVATION_HEIGHT"; then
+        echo "Hardfork already activated."
+    else
+        echo "Hardfork not activated, running init."
+        geth init --datadir="$GETH_DATA_DIR" "$L2GETH_GENESIS_URL" "$L2GETH_GENESIS_HASH"
+        echo "geth hardfork activation complete"
+    fi
+fi
\ No newline at end of file

infra/op-replica/envs/goerli-nightly/data-transport-layer.env

+DATA_TRANSPORT_LAYER__ADDRESS_MANAGER=0x07917E3D28aa7C61baAAcf8e486a77007E1Daa89
+DATA_TRANSPORT_LAYER__CONFIRMATIONS=12
+DATA_TRANSPORT_LAYER__DANGEROUSLY_CATCH_ALL_ERRORS=true
+DATA_TRANSPORT_LAYER__DB_PATH=/db
+DATA_TRANSPORT_LAYER__DEFAULT_BACKEND=l2
+DATA_TRANSPORT_LAYER__ENABLE_METRICS=true
+DATA_TRANSPORT_LAYER__ETH_NETWORK_NAME=goerli
+DATA_TRANSPORT_LAYER__L1_GAS_PRICE_BACKEND=l2
+DATA_TRANSPORT_LAYER__L1_START_HEIGHT=6680000
+DATA_TRANSPORT_LAYER__L2_CHAIN_ID=421
+DATA_TRANSPORT_LAYER__LOGS_PER_POLLING_INTERVAL=2000
+DATA_TRANSPORT_LAYER__NODE_ENV=production
+DATA_TRANSPORT_LAYER__POLLING_INTERVAL=500
+DATA_TRANSPORT_LAYER__SENTRY_TRACE_RATE=0.05
+DATA_TRANSPORT_LAYER__SERVER_HOSTNAME=0.0.0.0
+DATA_TRANSPORT_LAYER__SERVER_PORT=7878
+DATA_TRANSPORT_LAYER__SYNC_FROM_L1=false
+DATA_TRANSPORT_LAYER__SYNC_FROM_L2=true
+DATA_TRANSPORT_LAYER__TRANSACTIONS_PER_POLLING_INTERVAL=1000
+DEPLOYER_HTTP=

infra/op-replica/envs/goerli-nightly/kustomization.yaml

+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+configMapGenerator:
+  - name: data-transport-layer
+    envs:
+      - ./data-transport-layer.env
+  - name: l2geth-replica
+    envs:
+      - ./l2geth-replica.env
+  - name: replica-healthcheck
+    envs:
+      - ./replica-healthcheck.env
+  - name: geth-scripts
+    files:
+      - ./check-for-chaindata.sh
\ No newline at end of file

infra/op-replica/envs/goerli-nightly/l2geth-replica.env

+CHAIN_ID=421
+DATADIR=/geth
+NETWORK_ID=421
+NO_DISCOVER=true
+NO_USB=true
+GASPRICE=0
+GCMODE=archive
+BLOCK_SIGNER_ADDRESS=0x00000398232E2064F896018496b4b44b3D62751F
+BLOCK_SIGNER_PRIVATE_KEY=6587ae678cf4fc9a33000cdbf9f35226b71dcc6a4684a31203241f9bcfd55d27
+BLOCK_SIGNER_PRIVATE_KEY_PASSWORD=pwd
+ETH1_CTC_DEPLOYMENT_HEIGHT=0
+ETH1_SYNC_SERVICE_ENABLE=true
+L2GETH_GENESIS_URL=https://storage.googleapis.com/optimism/goerli-nightly/genesis.json
+L2GETH_GENESIS_HASH=0x20091f0016a82537cda17009b87fb67cb9e3398eb4f7d2a99a47ffab62460cb1
+ROLLUP_BACKEND=l2
+ROLLUP_CLIENT_HTTP=http://data-transport-layer:7878
+ROLLUP_DISABLE_TRANSFERS=false
+ROLLUP_ENABLE_L2_GAS_POLLING=false
+ROLLUP_MAX_CALLDATA_SIZE=40000
+ROLLUP_POLL_INTERVAL_FLAG=3s
+ROLLUP_SYNC_SERVICE_ENABLE=true
+ROLLUP_TIMESTAMP_REFRESH=3m
+ROLLUP_VERIFIER_ENABLE=true
+RPC_ADDR=0.0.0.0
+RPC_API=eth,rollup,net,web3,debug
+RPC_CORS_DOMAIN=*
+RPC_ENABLE=true
+RPC_PORT=8545
+RPC_VHOSTS=*
+TARGET_GAS_LIMIT=15000000
+USING_OVM=true
+WS_ADDR=0.0.0.0
+WS_API=eth,rollup,net,web3,debug
+WS_ORIGINS=*
+WS=true

infra/op-replica/envs/goerli-nightly/replica-healthcheck.env

+REPLICA_HEALTHCHECK__ETH_NETWORK=goerli-nightly
+REPLICA_HEALTHCHECK__L2GETH_IMAGE_TAG=0.4.9
+REPLICA_HEALTHCHECK__ETH_REPLICA_RPC_PROVIDER=http://l2geth-replica:8545
\ No newline at end of file

infra/op-replica/kustomize/bases/replica-healthcheck-v1/deployment.yaml

+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: replica-healthcheck-v1
+spec:
+  replicas: 1
+  template:
+    spec:
+      containers:
+        - name: replica-healthcheck
+          image: ethereumoptimism/replica-healthcheck-v1
+          ports:
+            - containerPort: 7300
+              name: metrics
+          resources:
+            limits:
+              memory: 256Mi
+              cpu: 512m
+            requests:
+              memory: 128Mi
+              cpu: 256m

infra/op-replica/kustomize/bases/replica-healthcheck-v1/kustomization.yaml

+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+  - deployment.yaml
+commonLabels:
+  app: replica-healthcheck-v1
\ No newline at end of file

infra/op-replica/kustomize/bases/servicemonitors/kustomization.yaml

@@ -2,4 +2,5 @@ apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
   - ./data-transport-layer.yaml
-  - ./replica-healthcheck.yaml
\ No newline at end of file
+  - ./replica-healthcheck.yaml
+  - ./replica-healthcheck-v1.yaml
\ No newline at end of file

infra/op-replica/kustomize/bases/servicemonitors/replica-healthcheck-v1.yaml

+---
+apiVersion: monitoring.coreos.com/v1
+kind: PodMonitor
+metadata:
+  name: replica-healthcheck-v1
+spec:
+  selector:
+    matchLabels:
+      app: replica-healthcheck-v1
+      provider: internal
+  podMetricsEndpoints:
+    - port: metrics
+  podTargetLabels:
+    - network
+    - provider
+    - sync_source
\ No newline at end of file

infra/op-replica/kustomize/overlays/goerli-nightly/kustomization.yaml

+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+namespace: goerli-nightly-replica
+commonLabels:
+  network: goerli-nightly
+  provider: internal
+
+bases:
+  - ../../../envs/goerli-nightly
+  - ../../../scripts
+
+resources:
+  - ../../bases/data-transport-layer
+  - ../../bases/l2geth-replica
+  - ../../bases/servicemonitors
+  - ../../bases/replica-healthcheck-v1
+  - ./volumes.yaml
+
+images:
+  - name: ethereumoptimism/data-transport-layer
+    newName: ethereumoptimism/data-transport-layer
+    newTag: latest
+  - name: ethereumoptimism/l2geth
+    newName: ethereumoptimism/l2geth
+    newTag: latest
+  - name: ethereumoptimism/replica-healthcheck-v1
+    newName: ethereumoptimism/replica-healthcheck
+    newTag: latest
+
+patchesStrategicMerge:
+  - ./patches/dtl.yaml
+  - ./patches/l2geth.yaml
+  - ./patches/replica-healthcheck.yaml
+
+patches:
+  - path: ./patches/l2geth-volume.yaml
+    target:
+      group: apps
+      version: v1
+      kind: StatefulSet
+      name: l2geth-replica
+  - path: ./patches/dtl-volume.yaml
+    target:
+      group: apps
+      version: v1
+      kind: StatefulSet
+      name: data-transport-layer
\ No newline at end of file

infra/op-replica/kustomize/overlays/goerli-nightly/patches/dtl-volume.yaml

+---
+- op: replace
+  path: /spec/template/spec/volumes/0
+  value:
+    name: data-transport-layer
+    persistentVolumeClaim:
+      claimName: data-transport-layer-data

infra/op-replica/kustomize/overlays/goerli-nightly/patches/dtl.yaml

+---
+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  name: data-transport-layer
+spec:
+  template:
+    spec:
+      initContainers:
+        - name: wait-for-l1
+          env:
+            - name: L1_NODE_WEB3_URL
+              value: http://failover-proxyd.default:8080
+      containers:
+        - name: data-transport-layer
+          resources:
+            limits:
+              cpu: "2"
+              memory: 4Gi
+            requests:
+              cpu: "1"
+              memory: 1Gi
+          env:
+            - name: DATA_TRANSPORT_LAYER__L1_RPC_ENDPOINT
+              value: http://failover-proxyd.default:8080
+            - name: DATA_TRANSPORT_LAYER__L2_RPC_ENDPOINT
+              value: http://sequencer.default:8545
+            - name: L1_NODE_WEB3_URL
+              value: http://failover-proxyd.default:8080
\ No newline at end of file

infra/op-replica/kustomize/overlays/goerli-nightly/patches/l2geth-volume.yaml

+- op: replace
+  path: /spec/template/spec/volumes/0
+  value:
+    name: l2geth-replica-data
+    persistentVolumeClaim:
+      claimName: l2geth-replica-data

infra/op-replica/kustomize/overlays/goerli-nightly/patches/l2geth.yaml

+---
+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  name: l2geth-replica
+spec:
+  template:
+    spec:
+      containers:
+        - name: l2geth-replica
+          env:
+            - name: IPC_DISABLE
+              value: "false"
+          resources:
+            limits:
+              cpu: "4"
+              memory: 12Gi
+            requests:
+              cpu: "2"
+              memory: 8Gi

infra/op-replica/kustomize/overlays/goerli-nightly/patches/replica-healthcheck.yaml

+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: replica-healthcheck-v1
+spec:
+  replicas: 1
+  template:
+    spec:
+      containers:
+        - name: replica-healthcheck
+          env:
+            - name: HEALTHCHECK__REFERENCE_RPC_PROVIDER
+              value: http://sequencer.default:8545
+            - name: HEALTHCHECK__TARGET_RPC_PROVIDER
+              value: http://l2geth-replica:8545

infra/op-replica/kustomize/overlays/goerli-nightly/volumes.yaml

+---
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: l2geth-replica-data
+spec:
+  storageClassName: premium-rwo
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: 200Gi
+---
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: data-transport-layer-data
+spec:
+  storageClassName: premium-rwo
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: 10Gi
\ No newline at end of file

infra/op-replica/kustomize/public-overlays/mainnet-replica-0-5-14/kustomization.yaml

@@ -14,6 +14,7 @@ resources:
   - ../../bases/l2geth-replica
   - ../../bases/servicemonitors
   - ../../bases/replica-healthcheck
+  - ../../bases/replica-healthcheck-v1
   - ./volumes.yaml
   - ./ingress.yaml
 
@@ -27,6 +28,9 @@ images:
   - name: ethereumoptimism/replica-healthcheck
     newName: ethereumoptimism/replica-healthcheck
     newTag: 0.3.3
+  - name: ethereumoptimism/replica-healthcheck-v1
+    newName: ethereumoptimism/replica-healthcheck
+    newTag: 1.0.4
 
 patchesStrategicMerge:
   - ./patches/dtl.yaml
@@ -39,4 +43,9 @@ patches:
       group: apps
       version: v1
       kind: StatefulSet
-      name: l2geth-replica
\ No newline at end of file
+      name: l2geth-replica
+
+configMapGenerator:
+  - name: replica-healthcheck-v1
+    envs:
+      - ./replica-healthcheck-v1.env

infra/op-replica/kustomize/public-overlays/mainnet-replica-0-5-14/replica-healthcheck-v1.env

+HEALTHCHECK__REFERENCE_RPC_PROVIDER=https://mainnet.optimism.io
+HEALTHCHECK__TARGET_RPC_PROVIDER=http://l2geth-replica:8545
\ No newline at end of file

infra/op-replica/kustomize/public-overlays/mainnet-replica-0-5-17/kustomization.yaml

+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+namespace: mainnet-replica-0-5-17
+commonLabels:
+  network: mainnet
+  provider: internal
+
+bases:
+  - ../../../envs/mainnet-gen5-berlin/
+  - ../../../scripts
+
+resources:
+  - ../../bases/data-transport-layer
+  - ../../bases/l2geth-replica
+  - ../../bases/servicemonitors
+  - ../../bases/replica-healthcheck
+  - ../../bases/replica-healthcheck-v1
+  - ./volumes.yaml
+
+images:
+  - name: ethereumoptimism/data-transport-layer
+    newName: ethereumoptimism/data-transport-layer
+    newTag: 0.5.25
+  - name: ethereumoptimism/l2geth
+    newName: ethereumoptimism/l2geth
+    newTag: 0.5.17
+  - name: ethereumoptimism/replica-healthcheck
+    newName: ethereumoptimism/replica-healthcheck
+    newTag: 0.3.3
+  - name: ethereumoptimism/replica-healthcheck-v1
+    newName: ethereumoptimism/replica-healthcheck
+    newTag: 1.0.4
+
+patchesStrategicMerge:
+  - ./patches/dtl.yaml
+  - ./patches/l2geth.yaml
+  - ./patches/replica-healthcheck.yaml
+
+patches:
+  - path: ./patches/l2geth-volume.yaml
+    target:
+      group: apps
+      version: v1
+      kind: StatefulSet
+      name: l2geth-replica
+
+configMapGenerator:
+  - name: replica-healthcheck-v1
+    envs:
+      - ./replica-healthcheck-v1.env

infra/op-replica/kustomize/public-overlays/mainnet-replica-0-5-17/patches/dtl.yaml

+---
+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  name: data-transport-layer
+spec:
+  template:
+    spec:
+      initContainers:
+        - name: wait-for-l1
+          env:
+            - name: L1_NODE_WEB3_URL
+              valueFrom:
+                secretKeyRef:
+                  name: replica-secrets
+                  key: l1-rpc-endpoint
+      containers:
+        - name: data-transport-layer
+          resources:
+            limits:
+              cpu: "2"
+              memory: 4Gi
+            requests:
+              cpu: "1"
+              memory: 1Gi
+          env:
+            - name: DATA_TRANSPORT_LAYER__L1_RPC_ENDPOINT
+              valueFrom:
+                secretKeyRef:
+                  name: replica-secrets
+                  key: l1-rpc-endpoint
+            - name: DATA_TRANSPORT_LAYER__L2_RPC_ENDPOINT
+              valueFrom:
+                secretKeyRef:
+                  name: replica-secrets
+                  key: l2-rpc-endpoint
+            - name: L1_NODE_WEB3_URL
+              valueFrom:
+                secretKeyRef:
+                  name: replica-secrets
+                  key: l1-rpc-endpoint
\ No newline at end of file

infra/op-replica/kustomize/public-overlays/mainnet-replica-0-5-17/patches/l2geth-volume.yaml

+- op: replace
+  path: /spec/template/spec/volumes/0
+  value:
+    name: l2geth-replica-data
+    persistentVolumeClaim:
+      claimName: l2geth-replica-data

infra/op-replica/kustomize/public-overlays/mainnet-replica-0-5-17/patches/l2geth.yaml

+---
+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  name: l2geth-replica
+spec:
+  template:
+    spec:
+      containers:
+        - name: l2geth-replica
+          command:
+            - geth
+            - --config=/l2geth-config/l2geth.toml
+            - --datadir=$(DATADIR)
+            - --password=$(DATADIR)/password
+            - --allow-insecure-unlock
+            - --unlock=$(BLOCK_SIGNER_ADDRESS)
+            - --mine
+            - --miner.etherbase=$(BLOCK_SIGNER_ADDRESS)
+            - --metrics
+            - --metrics.influxdb
+            - --metrics.influxdb.endpoint=http://influxdb.monitoring:8086
+            - --metrics.influxdb.database=$(NAMESPACE)
+          resources:
+            limits:
+              cpu: "8"
+              memory: 24Gi
+            requests:
+              cpu: "4"
+              memory: 12Gi
+---
+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  name: data-transport-layer
+spec:
+  template:
+    spec:
+      initContainers:
+        - name: wait-for-l1
+          env:
+            - name: L1_NODE_WEB3_URL
+              valueFrom:
+                secretKeyRef:
+                  name: replica-secrets
+                  key: l1-rpc-endpoint
+      containers:
+        - name: data-transport-layer
+          resources:
+            limits:
+              cpu: "2"
+              memory: 4Gi
+            requests:
+              cpu: "1"
+              memory: 1Gi
+          env:
+            - name: DATA_TRANSPORT_LAYER__L1_RPC_ENDPOINT
+              valueFrom:
+                secretKeyRef:
+                  name: replica-secrets
+                  key: l1-rpc-endpoint
+            - name: DATA_TRANSPORT_LAYER__L2_RPC_ENDPOINT
+              valueFrom:
+                secretKeyRef:
+                  name: replica-secrets
+                  key: l2-rpc-endpoint
+            - name: L1_NODE_WEB3_URL
+              valueFrom:
+                secretKeyRef:
+                  name: replica-secrets
+                  key: l1-rpc-endpoint
\ No newline at end of file

infra/op-replica/kustomize/public-overlays/mainnet-replica-0-5-17/patches/replica-healthcheck.yaml

+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: replica-healthcheck
+spec:
+  template:
+    spec:
+      containers:
+        - name: replica-healthcheck
+          env:
+            - name: REPLICA_HEALTHCHECK__ETH_NETWORK_RPC_PROVIDER
+              value: https://mainnet.optimism.io

infra/op-replica/kustomize/public-overlays/mainnet-replica-0-5-17/replica-healthcheck-v1.env

+HEALTHCHECK__REFERENCE_RPC_PROVIDER=https://mainnet.optimism.io
+HEALTHCHECK__TARGET_RPC_PROVIDER=http://l2geth-replica:8545
\ No newline at end of file

infra/op-replica/kustomize/public-overlays/mainnet-replica-0-5-17/volumes.yaml

+---
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: l2geth-replica-data
+spec:
+  storageClassName: premium-rwo
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: 500Gi
+---
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: data-transport-layer-data
+spec:
+  storageClassName: premium-rwo
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: 10Gi
\ No newline at end of file

integration-tests/test/system-addresses.spec.ts

@@ -2,6 +2,7 @@
 import { BigNumber, Contract, ContractFactory, utils, Wallet } from 'ethers'
 import { ethers } from 'hardhat'
 import { futurePredeploys } from '@eth-optimism/contracts'
+import { sleep } from '@eth-optimism/core-utils'
 
 /* Imports: Internal */
 import { expect } from './shared/setup'
@@ -102,4 +103,42 @@ describe('System addresses', () => {
       expect(receipt.contractAddress).not.to.eq(null)
     }
   })
+
+  const testReplica = async (otherProvider) => {
+    const seqBlock = await env.l2Provider.getBlock('latest')
+    while (true) {
+      const verHeight = await otherProvider.getBlockNumber()
+      if (verHeight >= seqBlock.number) {
+        break
+      }
+      await sleep(200)
+    }
+
+    const verBlock = await otherProvider.getBlock(seqBlock.number)
+    expect(verBlock).to.deep.eq(seqBlock)
+
+    for (const addr of SYSTEM_ADDRESSES) {
+      const seqCode = await env.l2Provider.getCode(addr)
+      const verCode = await otherProvider.getCode(addr)
+      expect(seqCode).to.eq(verCode)
+    }
+  }
+
+  it('should be properly handled on verifiers', async function () {
+    if (!envConfig.RUN_VERIFIER_TESTS) {
+      this.skip()
+      return
+    }
+
+    await testReplica(env.verifierProvider)
+  })
+
+  it('should be properly handled on replicas', async function () {
+    if (!envConfig.RUN_REPLICA_TESTS) {
+      this.skip()
+      return
+    }
+
+    await testReplica(env.replicaProvider)
+  })
 })

l2geth/miner/worker.go

@@ -34,6 +34,7 @@ import (
 	"github.com/ethereum-optimism/optimism/l2geth/core/types"
 	"github.com/ethereum-optimism/optimism/l2geth/event"
 	"github.com/ethereum-optimism/optimism/l2geth/log"
+	"github.com/ethereum-optimism/optimism/l2geth/metrics"
 	"github.com/ethereum-optimism/optimism/l2geth/params"
 )
 
@@ -85,6 +86,13 @@ var (
 	// l2geth, rather the actual execution error should be returned to the
 	// user.
 	ErrCannotCommitTxn = errors.New("Cannot commit transaction in miner")
+
+	// rollup apply transaction metrics
+	accountReadTimer   = metrics.NewRegisteredTimer("rollup/tx/account/reads", nil)
+	accountUpdateTimer = metrics.NewRegisteredTimer("rollup/tx/account/updates", nil)
+	storageReadTimer   = metrics.NewRegisteredTimer("rollup/tx/storage/reads", nil)
+	storageUpdateTimer = metrics.NewRegisteredTimer("rollup/tx/storage/updates", nil)
+	txExecutionTimer   = metrics.NewRegisteredTimer("rollup/tx/execution", nil)
 )
 
 // environment is the worker's current environment and holds all of the current state information.
@@ -771,6 +779,7 @@ func (w *worker) commitTransaction(tx *types.Transaction, coinbase common.Addres
 	}
 	snap := w.current.state.Snapshot()
 
+	start := time.Now()
 	receipt, err := core.ApplyTransaction(w.chainConfig, w.chain, &coinbase, w.current.gasPool, w.current.state, w.current.header, tx, &w.current.header.GasUsed, *w.chain.GetVMConfig())
 	if err != nil {
 		w.current.state.RevertToSnapshot(snap)
@@ -779,6 +788,8 @@ func (w *worker) commitTransaction(tx *types.Transaction, coinbase common.Addres
 	w.current.txs = append(w.current.txs, tx)
 	w.current.receipts = append(w.current.receipts, receipt)
 
+	updateTransactionStateMetrics(start, w.current.state)
+
 	return receipt.Logs, nil
 }
 
@@ -1143,3 +1154,13 @@ func (w *worker) postSideBlock(event core.ChainSideEvent) {
 	case <-w.exitCh:
 	}
 }
+
+func updateTransactionStateMetrics(start time.Time, state *state.StateDB) {
+	accountReadTimer.Update(state.AccountReads)
+	storageReadTimer.Update(state.StorageReads)
+	accountUpdateTimer.Update(state.AccountUpdates)
+	storageUpdateTimer.Update(state.StorageUpdates)
+
+	triehash := state.AccountHashes + state.StorageHashes
+	txExecutionTimer.Update(time.Since(start) - triehash)
+}

l2geth/rollup/sync_service.go

@@ -247,10 +247,10 @@ func (s *SyncService) Start() error {
 	} else {
 		go func() {
 			if err := s.syncTransactionsToTip(); err != nil {
-				log.Crit("Sequencer cannot sync transactions to tip: %w", err)
+				log.Crit("Sequencer cannot sync transactions to tip", "err", err)
 			}
 			if err := s.syncQueueToTip(); err != nil {
-				log.Crit("Sequencer cannot sync queue to tip: %w", err)
+				log.Crit("Sequencer cannot sync queue to tip", "err", err)
 			}
 			s.setSyncStatus(false)
 			go s.SequencerLoop()

packages/contracts/contracts/L2/messaging/L2CrossDomainMessenger.sol

@@ -95,6 +95,9 @@ contract L2CrossDomainMessenger is IL2CrossDomainMessenger {
         bytes memory _message,
         uint256 _messageNonce
     ) public {
+        // Since it is impossible to deploy a contract to an address on L2 which matches
+        // the alias of the L1CrossDomainMessenger, this check can only pass when it is called in
+        // the first call from of a deposit transaction. Thus reentrancy is prevented here.
         require(
             AddressAliasHelper.undoL1ToL2Alias(msg.sender) == l1CrossDomainMessenger,
             "Provided message could not be verified."

packages/contracts/test/contracts/L1/messaging/deposit.gas.spec.ts

-/* External Imports */
 import { ethers } from 'hardhat'
-import { Signer, ContractFactory, Contract } from 'ethers'
+import { Contract } from 'ethers'
 import { MockContract, smock } from '@defi-wonderland/smock'
 import { expectApprox } from '@eth-optimism/core-utils'
+import { SignerWithAddress } from '@nomiclabs/hardhat-ethers/signers'
 
-/* Internal Imports */
 import {
-  makeAddressManager,
+  deploy,
   L2_GAS_DISCOUNT_DIVISOR,
   ENQUEUE_GAS_COST,
   NON_ZERO_ADDRESS,
@@ -22,44 +21,34 @@ const INITIAL_TOTAL_L1_SUPPLY = 5000
 const FINALIZATION_GAS = 1_200_000
 
 describe('[GAS BENCHMARK] Depositing via the standard bridge [ @skip-on-coverage ]', () => {
-  let sequencer: Signer
-  let alice: Signer
+  let sequencer: SignerWithAddress
+  let alice: SignerWithAddress
   before(async () => {
     ;[sequencer, alice] = await ethers.getSigners()
   })
 
   let AddressManager: Contract
-  before('Deploy address manager and register sequencer', async () => {
-    AddressManager = await makeAddressManager()
+  let CanonicalTransactionChain: Contract
+  before(async () => {
+    AddressManager = await deploy('Lib_AddressManager')
+
+    CanonicalTransactionChain = await deploy('CanonicalTransactionChain', {
+      args: [
+        AddressManager.address,
+        MAX_GAS_LIMIT,
+        L2_GAS_DISCOUNT_DIVISOR,
+        ENQUEUE_GAS_COST,
+      ],
+    })
+
+    const batches = await deploy('ChainStorageContainer', {
+      args: [AddressManager.address, 'CanonicalTransactionChain'],
+    })
+
     await AddressManager.setAddress(
       'OVM_Sequencer',
       await sequencer.getAddress()
     )
-  })
-
-  let CanonicalTransactionChain: Contract
-  let Factory__ChainStorageContainer: ContractFactory
-  before('Init CTC and Storage Container contracts.', async () => {
-    CanonicalTransactionChain = await (
-      await ethers.getContractFactory('CanonicalTransactionChain')
-    ).deploy(
-      AddressManager.address,
-      MAX_GAS_LIMIT,
-      L2_GAS_DISCOUNT_DIVISOR,
-      ENQUEUE_GAS_COST
-    )
-
-    Factory__ChainStorageContainer = await ethers.getContractFactory(
-      'ChainStorageContainer'
-    )
-    const batches = await Factory__ChainStorageContainer.deploy(
-      AddressManager.address,
-      'CanonicalTransactionChain'
-    )
-    await Factory__ChainStorageContainer.deploy(
-      AddressManager.address,
-      'CanonicalTransactionChain'
-    )
 
     await AddressManager.setAddress(
       'ChainStorageContainer-CTC-batches',
@@ -72,50 +61,43 @@ describe('[GAS BENCHMARK] Depositing via the standard bridge [ @skip-on-coverage
     )
   })
 
-  // 3 Messenger
   let L1CrossDomainMessenger: Contract
-  before('Deploy Messenger proxy and implementation', async () => {
-    // Deploy the implementation contract first
-    const xDomainMessengerImpl = await (
-      await ethers.getContractFactory('L1CrossDomainMessenger')
-    ).deploy()
+  before(async () => {
+    const xDomainMessengerImpl = await deploy('L1CrossDomainMessenger')
+
     await AddressManager.setAddress(
       'L1CrossDomainMessenger',
       xDomainMessengerImpl.address
     )
-    // Deploy and initialize the Proxy Messenger
-    const proxy = await (
-      await ethers.getContractFactory('Lib_ResolvedDelegateProxy')
-    ).deploy(AddressManager.address, 'L1CrossDomainMessenger')
+
+    const proxy = await deploy('Lib_ResolvedDelegateProxy', {
+      args: [AddressManager.address, 'L1CrossDomainMessenger'],
+    })
+
     L1CrossDomainMessenger = xDomainMessengerImpl.attach(proxy.address)
+
     await L1CrossDomainMessenger.initialize(AddressManager.address)
   })
 
-  // 4 Bridge
   let L1ERC20: MockContract<Contract>
   let L1StandardBridge: Contract
   before('Deploy the bridge and setup the token', async () => {
-    // Deploy the Bridge
-    L1StandardBridge = await (
-      await ethers.getContractFactory('L1StandardBridge')
-    ).deploy()
+    L1StandardBridge = await deploy('L1StandardBridge')
     await L1StandardBridge.initialize(
       L1CrossDomainMessenger.address,
       NON_ZERO_ADDRESS
     )
 
-    L1ERC20 = await (
-      await smock.mock('@openzeppelin/contracts/token/ERC20/ERC20.sol:ERC20')
-    ).deploy('L1ERC20', 'ERC')
-    const aliceAddress = await alice.getAddress()
+    L1ERC20 = await (await smock.mock('ERC20')).deploy('L1ERC20', 'ERC')
     await L1ERC20.setVariable('_totalSupply', INITIAL_TOTAL_L1_SUPPLY)
     await L1ERC20.setVariable('_balances', {
-      [aliceAddress]: INITIAL_TOTAL_L1_SUPPLY,
+      [alice.address]: INITIAL_TOTAL_L1_SUPPLY,
     })
   })
 
   describe('[GAS BENCHMARK] L1 to L2 Deposit costs [ @skip-on-coverage ]', async () => {
     const depositAmount = 1_000
+
     before(async () => {
       // Load a transaction into the queue first to 'dirty' the buffer's length slot
       await CanonicalTransactionChain.enqueue(
@@ -124,6 +106,7 @@ describe('[GAS BENCHMARK] Depositing via the standard bridge [ @skip-on-coverage
         '0x1234'
       )
     })
+
     it('cost to deposit ETH', async () => {
       // Alice calls deposit on the bridge and the L1 bridge calls transferFrom on the token.
       const res = await L1StandardBridge.connect(alice).depositETH(
@@ -137,12 +120,14 @@ describe('[GAS BENCHMARK] Depositing via the standard bridge [ @skip-on-coverage
       const receipt = await res.wait()
       const gasUsed = receipt.gasUsed.toNumber()
       console.log('    - Gas used:', gasUsed)
+
       expectApprox(gasUsed, 132_481, {
         absoluteUpperDeviation: 500,
         // Assert a lower bound of 1% reduction on gas cost. If your tests are breaking because your
         // contracts are too efficient, consider updating the target value!
         percentLowerDeviation: 1,
       })
+
       // Sanity check that the message was enqueued.
       expect(await CanonicalTransactionChain.getQueueLength()).to.equal(2)
     })
@@ -152,6 +137,7 @@ describe('[GAS BENCHMARK] Depositing via the standard bridge [ @skip-on-coverage
         L1StandardBridge.address,
         depositAmount
       )
+
       // Alice calls deposit on the bridge and the L1 bridge calls transferFrom on the token.
       const res = await L1StandardBridge.connect(alice).depositERC20(
         L1ERC20.address,
@@ -160,9 +146,11 @@ describe('[GAS BENCHMARK] Depositing via the standard bridge [ @skip-on-coverage
         FINALIZATION_GAS,
         NON_NULL_BYTES32
       )
+
       const receipt = await res.wait()
       const gasUsed = receipt.gasUsed.toNumber()
       console.log('    - Gas used:', gasUsed)
+
       expectApprox(gasUsed, 192_822, {
         absoluteUpperDeviation: 500,
         // Assert a lower bound of 1% reduction on gas cost. If your tests are breaking because your

packages/contracts/test/contracts/L1/rollup/CanonicalTransactionChain.gas.spec.ts

 /* External Imports */
 import { ethers } from 'hardhat'
-import { Signer, ContractFactory, Contract } from 'ethers'
+import { Signer, Contract } from 'ethers'
 import { smock, FakeContract } from '@defi-wonderland/smock'
 import {
   AppendSequencerBatchParams,
@@ -9,11 +9,10 @@ import {
   expectApprox,
 } from '@eth-optimism/core-utils'
 import { TransactionResponse } from '@ethersproject/abstract-provider'
-import { keccak256 } from 'ethers/lib/utils'
 
 /* Internal Imports */
 import {
-  makeAddressManager,
+  deploy,
   setProxyTarget,
   L2_GAS_DISCOUNT_DIVISOR,
   ENQUEUE_GAS_COST,
@@ -31,11 +30,11 @@ const appendSequencerBatch = async (
   CanonicalTransactionChain: Contract,
   batch: AppendSequencerBatchParams
 ): Promise<TransactionResponse> => {
-  const methodId = keccak256(Buffer.from('appendSequencerBatch()')).slice(2, 10)
-  const calldata = encodeAppendSequencerBatch(batch)
   return CanonicalTransactionChain.signer.sendTransaction({
     to: CanonicalTransactionChain.address,
-    data: '0x' + methodId + calldata,
+    data:
+      ethers.utils.id('appendSequencerBatch()').slice(0, 10) +
+      encodeAppendSequencerBatch(batch),
   })
 }
 
@@ -47,15 +46,17 @@ describe('[GAS BENCHMARK] CanonicalTransactionChain [ @skip-on-coverage ]', () =
 
   let AddressManager: Contract
   let Fake__StateCommitmentChain: FakeContract
-  before(async () => {
-    AddressManager = await makeAddressManager()
+  let CanonicalTransactionChain: Contract
+  beforeEach(async () => {
+    AddressManager = await deploy('Lib_AddressManager')
+
     await AddressManager.setAddress(
       'OVM_Sequencer',
       await sequencer.getAddress()
     )
 
     Fake__StateCommitmentChain = await smock.fake<Contract>(
-      await ethers.getContractFactory('StateCommitmentChain')
+      'StateCommitmentChain'
     )
 
     await setProxyTarget(
@@ -63,37 +64,20 @@ describe('[GAS BENCHMARK] CanonicalTransactionChain [ @skip-on-coverage ]', () =
       'StateCommitmentChain',
       Fake__StateCommitmentChain
     )
-  })
-
-  let Factory__CanonicalTransactionChain: ContractFactory
-  let Factory__ChainStorageContainer: ContractFactory
-  before(async () => {
-    Factory__CanonicalTransactionChain = await ethers.getContractFactory(
-      'CanonicalTransactionChain'
-    )
-
-    Factory__ChainStorageContainer = await ethers.getContractFactory(
-      'ChainStorageContainer'
-    )
-  })
 
-  let CanonicalTransactionChain: Contract
-  beforeEach(async () => {
-    CanonicalTransactionChain = await Factory__CanonicalTransactionChain.deploy(
-      AddressManager.address,
-      MAX_GAS_LIMIT,
-      L2_GAS_DISCOUNT_DIVISOR,
-      ENQUEUE_GAS_COST
-    )
+    CanonicalTransactionChain = await deploy('CanonicalTransactionChain', {
+      signer: sequencer,
+      args: [
+        AddressManager.address,
+        MAX_GAS_LIMIT,
+        L2_GAS_DISCOUNT_DIVISOR,
+        ENQUEUE_GAS_COST,
+      ],
+    })
 
-    const batches = await Factory__ChainStorageContainer.deploy(
-      AddressManager.address,
-      'CanonicalTransactionChain'
-    )
-    await Factory__ChainStorageContainer.deploy(
-      AddressManager.address,
-      'CanonicalTransactionChain'
-    )
+    const batches = await deploy('ChainStorageContainer', {
+      args: [AddressManager.address, 'CanonicalTransactionChain'],
+    })
 
     await AddressManager.setAddress(
       'ChainStorageContainer-CTC-batches',
@@ -107,12 +91,7 @@ describe('[GAS BENCHMARK] CanonicalTransactionChain [ @skip-on-coverage ]', () =
   })
 
   describe('appendSequencerBatch [ @skip-on-coverage ]', () => {
-    beforeEach(() => {
-      CanonicalTransactionChain = CanonicalTransactionChain.connect(sequencer)
-    })
-
     it('200 transactions in a single context', async () => {
-      console.log(`Benchmark: 200 transactions in a single context.`)
       const timestamp = (await getEthTime(ethers.provider)) - 100
       const blockNumber = await getNextBlockNumber(ethers.provider)
 
@@ -143,13 +122,12 @@ describe('[GAS BENCHMARK] CanonicalTransactionChain [ @skip-on-coverage ]', () =
       const receipt = await res.wait()
       const gasUsed = receipt.gasUsed.toNumber()
 
-      console.log('Benchmark complete.')
-
       console.log('Fixed calldata cost:', fixedCalldataCost)
       console.log(
         'Non-calldata overhead gas cost per transaction:',
         (gasUsed - fixedCalldataCost) / numTxs
       )
+
       expectApprox(gasUsed, 1_402_638, {
         absoluteUpperDeviation: 1000,
         // Assert a lower bound of 1% reduction on gas cost. If your tests are breaking because your
@@ -159,7 +137,6 @@ describe('[GAS BENCHMARK] CanonicalTransactionChain [ @skip-on-coverage ]', () =
     }).timeout(10_000_000)
 
     it('200 transactions in 200 contexts', async () => {
-      console.log(`Benchmark: 200 transactions in 200 contexts.`)
       const timestamp = (await getEthTime(ethers.provider)) - 100
       const blockNumber = await getNextBlockNumber(ethers.provider)
 
@@ -190,13 +167,12 @@ describe('[GAS BENCHMARK] CanonicalTransactionChain [ @skip-on-coverage ]', () =
       const receipt = await res.wait()
       const gasUsed = receipt.gasUsed.toNumber()
 
-      console.log('Benchmark complete.')
-
       console.log('Fixed calldata cost:', fixedCalldataCost)
       console.log(
         'Non-calldata overhead gas cost per transaction:',
         (gasUsed - fixedCalldataCost) / numTxs
       )
+
       expectApprox(gasUsed, 1_619_781, {
         absoluteUpperDeviation: 1000,
         // Assert a lower bound of 1% reduction on gas cost. If your tests are breaking because your
@@ -248,12 +224,12 @@ describe('[GAS BENCHMARK] CanonicalTransactionChain [ @skip-on-coverage ]', () =
       const gasUsed = receipt.gasUsed.toNumber()
 
       console.log('Benchmark complete.')
-
       console.log('Fixed calldata cost:', fixedCalldataCost)
       console.log(
         'Non-calldata overhead gas cost per transaction:',
         (gasUsed - fixedCalldataCost) / numTxs
       )
+
       expectApprox(gasUsed, 891_158, {
         absoluteUpperDeviation: 1000,
         // Assert a lower bound of 1% reduction on gas cost. If your tests are breaking because your
@@ -264,13 +240,12 @@ describe('[GAS BENCHMARK] CanonicalTransactionChain [ @skip-on-coverage ]', () =
   })
 
   describe('enqueue [ @skip-on-coverage ]', () => {
-    let enqueueL2GasPrepaid
-    let data
+    const data = '0x' + '12'.repeat(1234)
+
+    let enqueueL2GasPrepaid: number
     beforeEach(async () => {
-      CanonicalTransactionChain = CanonicalTransactionChain.connect(sequencer)
       enqueueL2GasPrepaid =
         await CanonicalTransactionChain.enqueueL2GasPrepaid()
-      data = '0x' + '12'.repeat(1234)
     })
 
     it('cost to enqueue a transaction above the prepaid threshold', async () => {
@@ -281,11 +256,10 @@ describe('[GAS BENCHMARK] CanonicalTransactionChain [ @skip-on-coverage ]', () =
         l2GasLimit,
         data
       )
+
       const receipt = await res.wait()
       const gasUsed = receipt.gasUsed.toNumber()
 
-      console.log('Benchmark complete.')
-
       expectApprox(gasUsed, 196_687, {
         absoluteUpperDeviation: 500,
         // Assert a lower bound of 1% reduction on gas cost. If your tests are breaking because your
@@ -302,11 +276,10 @@ describe('[GAS BENCHMARK] CanonicalTransactionChain [ @skip-on-coverage ]', () =
         l2GasLimit,
         data
       )
+
       const receipt = await res.wait()
       const gasUsed = receipt.gasUsed.toNumber()
 
-      console.log('Benchmark complete.')
-
       expectApprox(gasUsed, 134_100, {
         absoluteUpperDeviation: 500,
         // Assert a lower bound of 1% reduction on gas cost. If your tests are breaking because your

packages/contracts/test/contracts/L1/rollup/ChainStorageContainer.spec.ts

-/* External Imports */
 import { ethers } from 'hardhat'
-import { Contract, Signer, ContractFactory } from 'ethers'
+import { Contract } from 'ethers'
+import { SignerWithAddress } from '@nomiclabs/hardhat-ethers/signers'
 
-/* Internal Imports */
 import { expect } from '../../../setup'
-import { makeAddressManager, NON_NULL_BYTES32 } from '../../../helpers'
+import { deploy, NON_NULL_BYTES32 } from '../../../helpers'
 
 describe('ChainStorageContainer', () => {
-  let sequencer: Signer
-  let otherSigner: Signer
-  let signer: Signer
-  let signerAddress: string
-
-  let AddressManager: Contract
-  let Factory__ChainStorageContainer: ContractFactory
+  let signer1: SignerWithAddress
+  let signer2: SignerWithAddress
   before(async () => {
-    ;[sequencer, otherSigner, signer] = await ethers.getSigners()
-    signerAddress = await otherSigner.getAddress()
-
-    AddressManager = await makeAddressManager()
-    await AddressManager.setAddress(
-      'OVM_Sequencer',
-      await sequencer.getAddress()
-    )
-
-    Factory__ChainStorageContainer = await ethers.getContractFactory(
-      'ChainStorageContainer'
-    )
+    ;[signer1, signer2] = await ethers.getSigners()
   })
 
+  let AddressManager: Contract
   let ChainStorageContainer: Contract
   beforeEach(async () => {
-    ChainStorageContainer = await Factory__ChainStorageContainer.connect(
-      otherSigner
-    ).deploy(AddressManager.address, signerAddress)
-
-    await AddressManager.setAddress(
-      'ChainStorageContainer',
-      ChainStorageContainer.address
-    )
+    AddressManager = await deploy('Lib_AddressManager')
+    ChainStorageContainer = await deploy('ChainStorageContainer', {
+      signer: signer1,
+      args: [AddressManager.address, signer1.address],
+    })
 
-    await AddressManager.setAddress(signerAddress, signerAddress)
+    // ChainStorageContainer uses name resolution to check the owner address.
+    await AddressManager.setAddress(signer1.address, signer1.address)
   })
 
   describe('push', () => {
     for (const len of [1, 2, 4, 8, 32]) {
       it(`it should be able to add ${len} element(s) to the array`, async () => {
         for (let i = 0; i < len; i++) {
-          await expect(
-            ChainStorageContainer.connect(otherSigner)['push(bytes32)'](
-              NON_NULL_BYTES32
-            )
-          ).to.not.be.reverted
+          await expect(ChainStorageContainer['push(bytes32)'](NON_NULL_BYTES32))
+            .to.not.be.reverted
         }
       })
     }
@@ -60,9 +39,7 @@ describe('ChainStorageContainer', () => {
   describe('setGlobalMetadata', () => {
     it('should modify the extra data', async () => {
       const globalMetaData = `0x${'11'.repeat(27)}`
-      await ChainStorageContainer.connect(otherSigner).setGlobalMetadata(
-        globalMetaData
-      )
+      await ChainStorageContainer.setGlobalMetadata(globalMetaData)
 
       expect(await ChainStorageContainer.getGlobalMetadata()).to.equal(
         globalMetaData
@@ -73,15 +50,13 @@ describe('ChainStorageContainer', () => {
   describe('deleteElementsAfterInclusive', () => {
     it('should revert when the array is empty', async () => {
       await expect(
-        ChainStorageContainer.connect(otherSigner)[
-          'deleteElementsAfterInclusive(uint256)'
-        ](0)
+        ChainStorageContainer['deleteElementsAfterInclusive(uint256)'](0)
       ).to.be.reverted
     })
 
     it('should revert when called by non-owner', async () => {
       await expect(
-        ChainStorageContainer.connect(signer)[
+        ChainStorageContainer.connect(signer2)[
           'deleteElementsAfterInclusive(uint256)'
         ](0)
       ).to.be.revertedWith(
@@ -96,18 +71,14 @@ describe('ChainStorageContainer', () => {
           for (let i = 0; i < len; i++) {
             const value = NON_NULL_BYTES32
             values.push(value)
-            await ChainStorageContainer.connect(otherSigner)['push(bytes32)'](
-              value
-            )
+            await ChainStorageContainer['push(bytes32)'](value)
           }
         })
 
         for (let i = len - 1; i > 0; i -= Math.max(1, len / 4)) {
           it(`should be able to delete everything after and including the ${i}th/st/rd/whatever element`, async () => {
             await expect(
-              ChainStorageContainer.connect(otherSigner)[
-                'deleteElementsAfterInclusive(uint256)'
-              ](i)
+              ChainStorageContainer['deleteElementsAfterInclusive(uint256)'](i)
             ).to.not.be.reverted
 
             expect(await ChainStorageContainer.length()).to.equal(i)

packages/contracts/test/contracts/L1/verification/BondManager.spec.ts

-/* External Imports */
 import { ethers } from 'hardhat'
-import { Signer, Contract } from 'ethers'
+import { Contract } from 'ethers'
+import { SignerWithAddress } from '@nomiclabs/hardhat-ethers/signers'
 
-/* Internal Imports */
 import { expect } from '../../../setup'
-import { makeAddressManager } from '../../../helpers'
+import { deploy } from '../../../helpers'
 
 describe('BondManager', () => {
-  let sequencer: Signer
-  let nonSequencer: Signer
+  let sequencer: SignerWithAddress
+  let nonSequencer: SignerWithAddress
   before(async () => {
     ;[sequencer, nonSequencer] = await ethers.getSigners()
   })
 
   let AddressManager: Contract
-  before(async () => {
-    AddressManager = await makeAddressManager()
-  })
-
   let BondManager: Contract
-  before(async () => {
-    BondManager = await (
-      await ethers.getContractFactory('BondManager')
-    ).deploy(AddressManager.address)
+  beforeEach(async () => {
+    AddressManager = await deploy('Lib_AddressManager')
+
+    BondManager = await deploy('BondManager', {
+      args: [AddressManager.address],
+    })
 
-    AddressManager.setAddress('OVM_Proposer', await sequencer.getAddress())
+    AddressManager.setAddress('OVM_Proposer', sequencer.address)
   })
 
   describe('isCollateralized', () => {
     it('should return true for OVM_Proposer', async () => {
-      expect(
-        await BondManager.isCollateralized(await sequencer.getAddress())
-      ).to.equal(true)
+      expect(await BondManager.isCollateralized(sequencer.address)).to.equal(
+        true
+      )
     })
 
     it('should return false for non-sequencer', async () => {
-      expect(
-        await BondManager.isCollateralized(await nonSequencer.getAddress())
-      ).to.equal(false)
+      expect(await BondManager.isCollateralized(nonSequencer.address)).to.equal(
+        false
+      )
     })
   })
 })

packages/contracts/test/contracts/L2/predeploys/OVM_L2ToL1MessagePasser.spec.ts

@@ -28,7 +28,7 @@ describe.skip('OVM_L2ToL1MessagePasser', () => {
   let Fake__OVM_ExecutionManager: FakeContract
   before(async () => {
     Fake__OVM_ExecutionManager = await smock.fake<Contract>(
-      await ethers.getContractFactory('OVM_ExecutionManager')
+      'OVM_ExecutionManager'
     )
   })
 

packages/contracts/test/contracts/libraries/utils/Lib_MerkleTree.spec.ts

@@ -39,9 +39,7 @@ describe('Lib_MerkleTree', () => {
       await ethers.getContractFactory('TestLib_MerkleTree')
     ).deploy()
 
-    Fake__LibMerkleTree = await smock.fake(
-      await ethers.getContractFactory('TestLib_MerkleTree')
-    )
+    Fake__LibMerkleTree = await smock.fake('TestLib_MerkleTree')
   })
 
   describe('getMerkleRoot', () => {

packages/contracts/test/helpers/utils/impersonation.ts

+import { toRpcHexString } from '@eth-optimism/core-utils'
+import { SignerWithAddress } from '@nomiclabs/hardhat-ethers/signers'
+import { BigNumber } from 'ethers'
+import hre from 'hardhat'
+
+export const impersonate = async (
+  address: string,
+  balance?: string | number | BigNumber
+): Promise<SignerWithAddress> => {
+  await hre.network.provider.request({
+    method: 'hardhat_impersonateAccount',
+    params: [address],
+  })
+
+  if (balance !== undefined) {
+    await hre.network.provider.request({
+      method: 'hardhat_setBalance',
+      params: [address, toRpcHexString(BigNumber.from(balance))],
+    })
+  }
+
+  return hre.ethers.getSigner(address)
+}

packages/contracts/test/helpers/utils/index.ts

 export * from './eth-time'
 export * from './deploy'
+export * from './impersonation'