add debug logs

.github/workflows/bridge.yml

@@ -5,7 +5,6 @@ on:
     branches:
       - main
       - staging
-      - develop
       - alpha
     paths:
       - 'bridge/**'
@@ -14,7 +13,6 @@ on:
     branches:
       - main
       - staging
-      - develop
       - alpha
     paths:
       - 'bridge/**'
@@ -66,11 +64,3 @@ jobs:
         if [ -n "$(git status --porcelain)" ]; then
           exit 1
         fi
-  # docker-build:
-  #   runs-on: ubuntu-latest
-  #   steps:
-  #   - name: Checkout code
-  #     uses: actions/checkout@v2
-  #   - name: Set up Docker Buildx
-  #     uses: docker/setup-buildx-action@v2
-  #   - run: make docker

.github/workflows/common.yml

@@ -5,7 +5,6 @@ on:
     branches:
       - main
       - staging
-      - develop
       - alpha
     paths:
       - 'common/**'
@@ -14,7 +13,6 @@ on:
     branches:
       - main
       - staging
-      - develop
       - alpha
     paths:
       - 'common/**'

.github/workflows/contracts.yaml

@@ -2,10 +2,24 @@ name: Contracts
 
 on:
   push:
+    branches:
+      - master
+      - main
+      - prod
+      - release/*
+      - staging
+      - alpha
     paths:
       - 'contracts/**'
       - '.github/workflows/contracts.yaml'
   pull_request:
+    branches:
+      - master
+      - main
+      - prod
+      - release/*
+      - staging
+      - alpha
     paths:
       - 'contracts/**'
       - '.github/workflows/contracts.yaml'
@@ -28,9 +42,6 @@ jobs:
         uses: foundry-rs/foundry-toolchain@v1
         with:
           version: nightly
-      
-      - name: Setup LCOV
-        uses: hrishikesh-kadam/setup-lcov@v1
 
       - name: Install Node.js 14
         uses: actions/setup-node@v2
@@ -67,22 +78,6 @@ jobs:
       - name: Run foundry tests
         run: forge test -vvv
 
-      - name: Run foundry coverage
-        run : forge coverage --report lcov
-
-      - name : Prune coverage
-        run : lcov --remove ./lcov.info -o ./lcov.info.pruned 'src/mocks/*' 'src/test/*' 'scripts/*' 'node_modules/*' 'lib/*'
-
-      - name: Report code coverage
-        uses: zgosalvez/github-actions-report-lcov@v3
-        with:
-          coverage-files: contracts/lcov.info.pruned
-          minimum-coverage: 0
-          artifact-name: code-coverage-report
-          github-token: ${{ secrets.GITHUB_TOKEN }}
-          working-directory: contracts
-          update-comment: true
-
   hardhat:
     runs-on: ubuntu-latest
 

.github/workflows/coordinator.yml

@@ -5,7 +5,6 @@ on:
     branches:
       - main
       - staging
-      - develop
       - alpha
     paths:
       - 'coordinator/**'
@@ -14,7 +13,6 @@ on:
     branches:
       - main
       - staging
-      - develop
       - alpha
     paths:
       - 'coordinator/**'
@@ -62,18 +60,3 @@ jobs:
         if [ -n "$(git status --porcelain)" ]; then
           exit 1
         fi
-  # docker-build:
-  #   runs-on: ubuntu-latest
-  #   steps:
-  #   - name: Checkout code
-  #     uses: actions/checkout@v2
-  #   - name: Set up Docker Buildx
-  #     uses: docker/setup-buildx-action@v2
-  #   - name: Build and push
-  #     uses: docker/build-push-action@v2
-  #     with:
-  #       context: .
-  #       file: ./build/dockerfiles/coordinator.Dockerfile
-  #       push: false
-  #       # cache-from: type=gha,scope=${{ github.workflow }}
-  #       # cache-to: type=gha,scope=${{ github.workflow }}

.github/workflows/database.yml

@@ -5,7 +5,6 @@ on:
     branches:
       - main
       - staging
-      - develop
       - alpha
     paths:
       - 'database/**'
@@ -14,7 +13,6 @@ on:
     branches:
       - main
       - staging
-      - develop
       - alpha
     paths:
       - 'database/**'

.github/workflows/docker.yaml

@@ -1,65 +0,0 @@
-name: Docker
-
-on:
-  push:
-    tags:
-      - v**
-
-jobs:
-  build-and-push:
-    runs-on: ubuntu-latest
-    steps:
-    - name: Checkout code
-      uses: actions/checkout@v2
-    - name: Set up Docker Buildx
-      uses: docker/setup-buildx-action@v2
-    - name: Login to Docker Hub
-      uses: docker/login-action@v2
-      with:
-        username: ${{ secrets.DOCKERHUB_USERNAME }}
-        password: ${{ secrets.DOCKERHUB_TOKEN }}
-    - name: Build and push coordinator docker
-      uses: docker/build-push-action@v2
-      with:
-        context: .
-        file: ./build/dockerfiles/coordinator.Dockerfile
-        push: true
-        tags: scrolltech/coordinator:${{github.ref_name}}
-        # cache-from: type=gha,scope=${{ github.workflow }}
-        # cache-to: type=gha,scope=${{ github.workflow }}
-    - name: Build and push event_watcher docker
-      uses: docker/build-push-action@v2
-      with:
-        context: .
-        file: ./build/dockerfiles/event_watcher.Dockerfile
-        push: true
-        tags: scrolltech/event-watcher:${{github.ref_name}}
-        # cache-from: type=gha,scope=${{ github.workflow }}
-        # cache-to: type=gha,scope=${{ github.workflow }}
-    - name: Build and push gas_oracle docker
-      uses: docker/build-push-action@v2
-      with:
-        context: .
-        file: ./build/dockerfiles/gas_oracle.Dockerfile
-        push: true
-        tags: scrolltech/gas-oracle:${{github.ref_name}}
-        # cache-from: type=gha,scope=${{ github.workflow }}
-        # cache-to: type=gha,scope=${{ github.workflow }}
-    - name: Build and push msg_relayer docker
-      uses: docker/build-push-action@v2
-      with:
-        context: .
-        file: ./build/dockerfiles/msg_relayer.Dockerfile
-        push: true
-        tags: scrolltech/msg-relayer:${{github.ref_name}}
-        # cache-from: type=gha,scope=${{ github.workflow }}
-        # cache-to: type=gha,scope=${{ github.workflow }}
-    - name: Build and push rollup_relayer docker
-      uses: docker/build-push-action@v2
-      with:
-        context: .
-        file: ./build/dockerfiles/rollup_relayer.Dockerfile
-        push: true
-        tags: scrolltech/rollup-relayer:${{github.ref_name}}
-        # cache-from: type=gha,scope=${{ github.workflow }}
-        # cache-to: type=gha,scope=${{ github.workflow }}

.github/workflows/roller.yml

@@ -5,7 +5,6 @@ on:
     branches:
       - main
       - staging
-      - develop
       - alpha
     paths:
       - 'roller/**'
@@ -14,7 +13,6 @@ on:
     branches:
       - main
       - staging
-      - develop
       - alpha
     paths:
       - 'roller/**'

Jenkinsfile

@@ -24,12 +24,11 @@ pipeline {
                     steps {
                         sh 'make dev_docker'
                         sh 'make -C bridge mock_abi'
-                        sh 'make -C common/bytecode all'
                     }
                 }
                 stage('Check Bridge Compilation') {
                     steps {
-                        sh 'make -C bridge bridge_bins'
+                        sh 'make -C bridge bridge'
                     }
                 }
                 stage('Check Coordinator Compilation') {
@@ -43,6 +42,16 @@ pipeline {
                         sh 'make -C database db_cli'
                     }
                 }
+                stage('Check Bridge Docker Build') {
+                    steps {
+                        sh 'make -C bridge docker'
+                    }
+                }
+                stage('Check Coordinator Docker Build') {
+                    steps {
+                        sh 'make -C coordinator docker'
+                    }
+                }
                 stage('Check Database Docker Build') {
                     steps {
                         sh 'make -C database docker'
@@ -52,29 +61,44 @@ pipeline {
         }
         stage('Parallel Test') {
             parallel{
-                stage('Race test common package') {
+                stage('Test bridge package') {
                     steps {
-                        sh 'go test -v -race -coverprofile=coverage.common.txt -covermode=atomic scroll-tech/common/...'
+                        sh 'go test -v -race -coverprofile=coverage.bridge.txt -covermode=atomic -p 1 scroll-tech/bridge/...'
                     }
                 }
-                stage('Race test bridge package') {
+                stage('Test common package') {
                     steps {
-                        sh "cd ./bridge && ../build/run_tests.sh bridge"
+                        sh 'go test -v -race -coverprofile=coverage.common.txt -covermode=atomic -p 1 scroll-tech/common/...'
                     }
                 }
-                stage('Race test coordinator package') {
+                stage('Test coordinator package') {
                     steps {
-                        sh "cd ./coordinator && ../build/run_tests.sh coordinator"
+                        sh 'go test -v -race -coverprofile=coverage.coordinator.txt -covermode=atomic -p 1 scroll-tech/coordinator/...'
                     }
                 }
-                stage('Race test database package') {
+                stage('Test database package') {
                     steps {
-                        sh 'go test -v -race -coverprofile=coverage.db.txt -covermode=atomic scroll-tech/database/...'
+                        sh 'go test -v -race -coverprofile=coverage.db.txt -covermode=atomic -p 1 scroll-tech/database/...'
                     }
                 }
                 stage('Integration test') {
                     steps {
-                        sh 'go test -v -tags="mock_prover mock_verifier" -p 1 scroll-tech/integration-test/...'
+                        sh 'go test -v -race -tags="mock_prover mock_verifier" -coverprofile=coverage.integration.txt -covermode=atomic -p 1 scroll-tech/integration-test/...'
+                    }
+                }
+                stage('Race test bridge package') {
+                    steps {
+                        sh "cd bridge && go test -v -race -coverprofile=coverage.txt -covermode=atomic \$(go list ./... | grep -v 'database\\|common\\|l1\\|l2\\|coordinator')"
+                    }
+                }
+                stage('Race test coordinator package') {
+                    steps {
+                        sh "cd coordinator && go test -v -race -coverprofile=coverage.txt -covermode=atomic \$(go list ./... | grep -v 'database\\|common\\|l1\\|l2\\|coordinator')"
+                    }
+                }
+                stage('Race test database package') {
+                    steps {
+                        sh "cd database && go test -v -race -coverprofile=coverage.txt -covermode=atomic \$(go list ./... | grep -v 'database\\|common\\|l1\\|l2\\|coordinator')"
                     }
                 }
             }

Makefile

@@ -16,11 +16,11 @@ lint: ## The code's format and security checks.
 
 update: ## update dependencies
 	go work sync
-	cd $(PWD)/bridge/ && go get -u github.com/scroll-tech/go-ethereum@scroll && go mod tidy
-	cd $(PWD)/common/ && go get -u github.com/scroll-tech/go-ethereum@scroll && go mod tidy
-	cd $(PWD)/coordinator/ && go get -u github.com/scroll-tech/go-ethereum@scroll && go mod tidy
-	cd $(PWD)/database/ && go get -u github.com/scroll-tech/go-ethereum@scroll && go mod tidy
-	cd $(PWD)/roller/ && go get -u github.com/scroll-tech/go-ethereum@scroll && go mod tidy
+	cd $(PWD)/bridge/ && go get -u github.com/scroll-tech/go-ethereum@staging && go mod tidy
+	cd $(PWD)/common/ && go get -u github.com/scroll-tech/go-ethereum@staging && go mod tidy
+	cd $(PWD)/coordinator/ && go get -u github.com/scroll-tech/go-ethereum@staging && go mod tidy
+	cd $(PWD)/database/ && go get -u github.com/scroll-tech/go-ethereum@staging && go mod tidy
+	cd $(PWD)/roller/ && go get -u github.com/scroll-tech/go-ethereum@staging && go mod tidy
 	goimports -local $(PWD)/bridge/ -w .
 	goimports -local $(PWD)/common/ -w .
 	goimports -local $(PWD)/coordinator/ -w .

README.md

@@ -1,12 +1,3 @@
 # Scroll Monorepo
 
 [![Contracts](https://github.com/scroll-tech/scroll/actions/workflows/contracts.yaml/badge.svg)](https://github.com/scroll-tech/scroll/actions/workflows/contracts.yaml) [![Bridge](https://github.com/scroll-tech/scroll/actions/workflows/bridge.yml/badge.svg)](https://github.com/scroll-tech/scroll/actions/workflows/bridge.yml) [![Coordinator](https://github.com/scroll-tech/scroll/actions/workflows/coordinator.yml/badge.svg)](https://github.com/scroll-tech/scroll/actions/workflows/coordinator.yml) [![Database](https://github.com/scroll-tech/scroll/actions/workflows/database.yml/badge.svg)](https://github.com/scroll-tech/scroll/actions/workflows/database.yml) [![Common](https://github.com/scroll-tech/scroll/actions/workflows/common.yml/badge.svg)](https://github.com/scroll-tech/scroll/actions/workflows/common.yml) [![Roller](https://github.com/scroll-tech/scroll/actions/workflows/roller.yml/badge.svg)](https://github.com/scroll-tech/scroll/actions/workflows/roller.yml)
-
-## Prerequisites
-+ go1.18
-+ rust (for version, see [rust-toolchain](./common/libzkp/impl/rust-toolchain))
-+ hardhat / foundry
-
----
-
-For a more comprehensive doc, see [`docs/`](./docs).

bridge/Makefile

@@ -8,23 +8,8 @@ mock_abi:
 	go run github.com/scroll-tech/go-ethereum/cmd/abigen --sol mock_bridge/MockBridgeL1.sol --pkg mock_bridge --out mock_bridge/MockBridgeL1.go
 	go run github.com/scroll-tech/go-ethereum/cmd/abigen --sol mock_bridge/MockBridgeL2.sol --pkg mock_bridge --out mock_bridge/MockBridgeL2.go
 
-bridge_bins: ## Builds the Bridge bins.
-	go build -o $(PWD)/build/bin/event_watcher ./cmd/event_watcher/
-	go build -o $(PWD)/build/bin/gas_oracle ./cmd/gas_oracle/
-	go build -o $(PWD)/build/bin/message_relayer ./cmd/msg_relayer/
-	go build -o $(PWD)/build/bin/rollup_relayer ./cmd/rollup_relayer/
-
-event_watcher: ## Builds the event_watcher bin
-	go build -o $(PWD)/build/bin/event_watcher ./cmd/event_watcher/
-
-gas_oracle: ## Builds the gas_oracle bin
-	go build -o $(PWD)/build/bin/gas_oracle ./cmd/gas_oracle/
-
-message_relayer: ## Builds the message_relayer bin
-	go build -o $(PWD)/build/bin/message_relayer ./cmd/msg_relayer/
-
-rollup_relayer: ## Builds the rollup_relayer bin
-	go build -o $(PWD)/build/bin/rollup_relayer ./cmd/rollup_relayer/
+bridge: ## Builds the Bridge instance.
+	go build -o $(PWD)/build/bin/bridge ./cmd
 
 test:
 	go test -v -race -coverprofile=coverage.txt -covermode=atomic -p 1 $(PWD)/...
@@ -35,14 +20,8 @@ lint: ## Lint the files - used for CI
 clean: ## Empty out the bin folder
 	@rm -rf build/bin
 
-docker_push:
-	docker docker push scrolltech/gas-oracle:${IMAGE_VERSION}
-	docker docker push scrolltech/event-watcher:${IMAGE_VERSION}
-	docker docker push scrolltech/rollup-relayer:${IMAGE_VERSION}
-	docker docker push scrolltech/msg-relayer:${IMAGE_VERSION}
-
 docker:
-	DOCKER_BUILDKIT=1 docker build -t scrolltech/gas-oracle:${IMAGE_VERSION} ${REPO_ROOT_DIR}/ -f ${REPO_ROOT_DIR}/build/dockerfiles/gas_oracle.Dockerfile
-	DOCKER_BUILDKIT=1 docker build -t scrolltech/event-watcher:${IMAGE_VERSION} ${REPO_ROOT_DIR}/ -f ${REPO_ROOT_DIR}/build/dockerfiles/event_watcher.Dockerfile
-	DOCKER_BUILDKIT=1 docker build -t scrolltech/rollup-relayer:${IMAGE_VERSION} ${REPO_ROOT_DIR}/ -f ${REPO_ROOT_DIR}/build/dockerfiles/rollup_relayer.Dockerfile
-	DOCKER_BUILDKIT=1 docker build -t scrolltech/msg-relayer:${IMAGE_VERSION} ${REPO_ROOT_DIR}/ -f ${REPO_ROOT_DIR}/build/dockerfiles/msg_relayer.Dockerfile
+	DOCKER_BUILDKIT=1 docker build -t scrolltech/${IMAGE_NAME}:${IMAGE_VERSION} ${REPO_ROOT_DIR}/ -f ${REPO_ROOT_DIR}/build/dockerfiles/bridge.Dockerfile
+
+docker_push:
+	docker push scrolltech/${IMAGE_NAME}:${IMAGE_VERSION}

bridge/cmd/app/app.go

@@ -0,0 +1,130 @@
+package app
+
+import (
+	"context"
+	"fmt"
+	"os"
+	"os/signal"
+
+	"github.com/scroll-tech/go-ethereum/log"
+	"github.com/urfave/cli/v2"
+
+	"scroll-tech/database"
+
+	"scroll-tech/common/metrics"
+	"scroll-tech/common/utils"
+	"scroll-tech/common/version"
+
+	"scroll-tech/bridge/config"
+	"scroll-tech/bridge/l1"
+	"scroll-tech/bridge/l2"
+)
+
+var (
+	app *cli.App
+)
+
+func init() {
+	// Set up Bridge app info.
+	app = cli.NewApp()
+
+	app.Action = action
+	app.Name = "bridge"
+	app.Usage = "The Scroll Bridge"
+	app.Version = version.Version
+	app.Flags = append(app.Flags, utils.CommonFlags...)
+	app.Flags = append(app.Flags, apiFlags...)
+
+	app.Before = func(ctx *cli.Context) error {
+		return utils.LogSetup(ctx)
+	}
+
+	// Register `bridge-test` app for integration-test.
+	utils.RegisterSimulation(app, "bridge-test")
+}
+
+func action(ctx *cli.Context) error {
+	// Load config file.
+	cfgFile := ctx.String(utils.ConfigFileFlag.Name)
+	cfg, err := config.NewConfig(cfgFile)
+	if err != nil {
+		log.Crit("failed to load config file", "config file", cfgFile, "error", err)
+	}
+
+	// Start metrics server.
+	metrics.Serve(context.Background(), ctx)
+
+	// Init db connection.
+	var ormFactory database.OrmFactory
+	if ormFactory, err = database.NewOrmFactory(cfg.DBConfig); err != nil {
+		log.Crit("failed to init db connection", "err", err)
+	}
+
+	var (
+		l1Backend *l1.Backend
+		l2Backend *l2.Backend
+	)
+	// @todo change nil to actual client after https://scroll-tech/bridge/pull/40 merged
+	l1Backend, err = l1.New(ctx.Context, cfg.L1Config, ormFactory)
+	if err != nil {
+		return err
+	}
+	l2Backend, err = l2.New(ctx.Context, cfg.L2Config, ormFactory)
+	if err != nil {
+		return err
+	}
+	defer func() {
+		l1Backend.Stop()
+		l2Backend.Stop()
+		err = ormFactory.Close()
+		if err != nil {
+			log.Error("can not close ormFactory", "error", err)
+		}
+	}()
+
+	// Start all modules.
+	if err = l1Backend.Start(); err != nil {
+		log.Crit("couldn't start l1 backend", "error", err)
+	}
+	if err = l2Backend.Start(); err != nil {
+		log.Crit("couldn't start l2 backend", "error", err)
+	}
+
+	// Register api and start rpc service.
+	if ctx.Bool(httpEnabledFlag.Name) {
+		handler, addr, err := utils.StartHTTPEndpoint(
+			fmt.Sprintf(
+				"%s:%d",
+				ctx.String(httpListenAddrFlag.Name),
+				ctx.Int(httpPortFlag.Name)),
+			l2Backend.APIs())
+		if err != nil {
+			log.Crit("Could not start RPC api", "error", err)
+		}
+		defer func() {
+			_ = handler.Shutdown(ctx.Context)
+			log.Info("HTTP endpoint closed", "url", fmt.Sprintf("http://%v/", addr))
+		}()
+		log.Info("HTTP endpoint opened", "url", fmt.Sprintf("http://%v/", addr))
+	}
+
+	log.Info("Start bridge successfully")
+
+	// Catch CTRL-C to ensure a graceful shutdown.
+	interrupt := make(chan os.Signal, 1)
+	signal.Notify(interrupt, os.Interrupt)
+
+	// Wait until the interrupt signal is received from an OS signal.
+	<-interrupt
+
+	return nil
+}
+
+// Run run bridge cmd instance.
+func Run() {
+	// Run the bridge.
+	if err := app.Run(os.Args); err != nil {
+		_, _ = fmt.Fprintln(os.Stderr, err)
+		os.Exit(1)
+	}
+}

bridge/cmd/app/app_test.go

@@ -0,0 +1,19 @@
+package app
+
+import (
+	"fmt"
+	"testing"
+	"time"
+
+	"scroll-tech/common/cmd"
+	"scroll-tech/common/version"
+)
+
+func TestRunBridge(t *testing.T) {
+	bridge := cmd.NewCmd(t, "bridge-test", "--version")
+	defer bridge.WaitExit()
+
+	// wait result
+	bridge.ExpectWithTimeout(true, time.Second*3, fmt.Sprintf("bridge version %s", version.Version))
+	bridge.RunApp(nil)
+}

bridge/cmd/app/flags.go

@@ -0,0 +1,31 @@
+package app
+
+import (
+	"github.com/urfave/cli/v2"
+)
+
+var (
+	apiFlags = []cli.Flag{
+		&httpEnabledFlag,
+		&httpListenAddrFlag,
+		&httpPortFlag,
+	}
+	// httpEnabledFlag enable rpc server.
+	httpEnabledFlag = cli.BoolFlag{
+		Name:  "http",
+		Usage: "Enable the HTTP-RPC server",
+		Value: false,
+	}
+	// httpListenAddrFlag set the http address.
+	httpListenAddrFlag = cli.StringFlag{
+		Name:  "http.addr",
+		Usage: "HTTP-RPC server listening interface",
+		Value: "localhost",
+	}
+	// httpPortFlag set http.port.
+	httpPortFlag = cli.IntFlag{
+		Name:  "http.port",
+		Usage: "HTTP-RPC server listening port",
+		Value: 8290,
+	}
+)

bridge/cmd/event_watcher/app/app.go

@@ -1,114 +0,0 @@
-package app
-
-import (
-	"context"
-	"fmt"
-	"os"
-	"os/signal"
-	"time"
-
-	"github.com/scroll-tech/go-ethereum/ethclient"
-	"github.com/scroll-tech/go-ethereum/log"
-	"github.com/urfave/cli/v2"
-
-	"scroll-tech/database"
-
-	"scroll-tech/common/metrics"
-	"scroll-tech/common/version"
-
-	"scroll-tech/bridge/config"
-	"scroll-tech/bridge/watcher"
-
-	cutils "scroll-tech/common/utils"
-)
-
-var (
-	app *cli.App
-)
-
-func init() {
-	// Set up event-watcher app info.
-	app = cli.NewApp()
-
-	app.Action = action
-	app.Name = "event-watcher"
-	app.Usage = "The Scroll Event Watcher"
-	app.Version = version.Version
-	app.Flags = append(app.Flags, cutils.CommonFlags...)
-	app.Commands = []*cli.Command{}
-
-	app.Before = func(ctx *cli.Context) error {
-		return cutils.LogSetup(ctx)
-	}
-
-	// Register `event-watcher-test` app for integration-test.
-	cutils.RegisterSimulation(app, cutils.EventWatcherApp)
-}
-
-func action(ctx *cli.Context) error {
-	// Load config file.
-	cfgFile := ctx.String(cutils.ConfigFileFlag.Name)
-	cfg, err := config.NewConfig(cfgFile)
-	if err != nil {
-		log.Crit("failed to load config file", "config file", cfgFile, "error", err)
-	}
-
-	subCtx, cancel := context.WithCancel(ctx.Context)
-	// Init db connection
-	var ormFactory database.OrmFactory
-	if ormFactory, err = database.NewOrmFactory(cfg.DBConfig); err != nil {
-		log.Crit("failed to init db connection", "err", err)
-	}
-
-	defer func() {
-		cancel()
-		err = ormFactory.Close()
-		if err != nil {
-			log.Error("can not close ormFactory", "error", err)
-		}
-	}()
-
-	// Start metrics server.
-	metrics.Serve(subCtx, ctx)
-	l1client, err := ethclient.Dial(cfg.L1Config.Endpoint)
-	if err != nil {
-		log.Error("failed to connect l1 geth", "config file", cfgFile, "error", err)
-		return err
-	}
-
-	l2client, err := ethclient.Dial(cfg.L2Config.Endpoint)
-	if err != nil {
-		log.Error("failed to connect l2 geth", "config file", cfgFile, "error", err)
-		return err
-	}
-	l1watcher := watcher.NewL1WatcherClient(ctx.Context, l1client, cfg.L1Config.StartHeight, cfg.L1Config.Confirmations, cfg.L1Config.L1MessengerAddress, cfg.L1Config.L1MessageQueueAddress, cfg.L1Config.ScrollChainContractAddress, ormFactory)
-	l2watcher := watcher.NewL2WatcherClient(ctx.Context, l2client, cfg.L2Config.Confirmations, cfg.L2Config.L2MessengerAddress, cfg.L2Config.L2MessageQueueAddress, cfg.L2Config.WithdrawTrieRootSlot, ormFactory)
-
-	go cutils.Loop(subCtx, 10*time.Second, func() {
-		if loopErr := l1watcher.FetchContractEvent(); loopErr != nil {
-			log.Error("Failed to fetch bridge contract", "err", loopErr)
-		}
-	})
-
-	// Start l2 watcher process
-	go cutils.Loop(subCtx, 2*time.Second, l2watcher.FetchContractEvent)
-	// Finish start all l2 functions
-	log.Info("Start event-watcher successfully")
-
-	// Catch CTRL-C to ensure a graceful shutdown.
-	interrupt := make(chan os.Signal, 1)
-	signal.Notify(interrupt, os.Interrupt)
-
-	// Wait until the interrupt signal is received from an OS signal.
-	<-interrupt
-
-	return nil
-}
-
-// Run event watcher cmd instance.
-func Run() {
-	if err := app.Run(os.Args); err != nil {
-		_, _ = fmt.Fprintln(os.Stderr, err)
-		os.Exit(1)
-	}
-}

bridge/cmd/event_watcher/main.go

@@ -1,7 +0,0 @@
-package main
-
-import "scroll-tech/bridge/cmd/event_watcher/app"
-
-func main() {
-	app.Run()
-}

bridge/cmd/gas_oracle/app/app.go

@@ -1,136 +0,0 @@
-package app
-
-import (
-	"context"
-	"fmt"
-	"os"
-	"os/signal"
-	"time"
-
-	"github.com/scroll-tech/go-ethereum/ethclient"
-	"github.com/scroll-tech/go-ethereum/log"
-	"github.com/urfave/cli/v2"
-
-	"scroll-tech/database"
-
-	"scroll-tech/common/metrics"
-	"scroll-tech/common/version"
-
-	"scroll-tech/bridge/config"
-	"scroll-tech/bridge/relayer"
-	"scroll-tech/bridge/utils"
-	"scroll-tech/bridge/watcher"
-
-	cutils "scroll-tech/common/utils"
-)
-
-var (
-	app *cli.App
-)
-
-func init() {
-	// Set up gas-oracle app info.
-	app = cli.NewApp()
-
-	app.Action = action
-	app.Name = "gas-oracle"
-	app.Usage = "The Scroll Gas Oracle"
-	app.Description = "Scroll Gas Oracle."
-	app.Version = version.Version
-	app.Flags = append(app.Flags, cutils.CommonFlags...)
-	app.Commands = []*cli.Command{}
-
-	app.Before = func(ctx *cli.Context) error {
-		return cutils.LogSetup(ctx)
-	}
-
-	// Register `gas-oracle-test` app for integration-test.
-	cutils.RegisterSimulation(app, cutils.GasOracleApp)
-}
-
-func action(ctx *cli.Context) error {
-	// Load config file.
-	cfgFile := ctx.String(cutils.ConfigFileFlag.Name)
-	cfg, err := config.NewConfig(cfgFile)
-	if err != nil {
-		log.Crit("failed to load config file", "config file", cfgFile, "error", err)
-	}
-	subCtx, cancel := context.WithCancel(ctx.Context)
-	// Init db connection
-	var ormFactory database.OrmFactory
-	if ormFactory, err = database.NewOrmFactory(cfg.DBConfig); err != nil {
-		log.Crit("failed to init db connection", "err", err)
-	}
-
-	defer func() {
-		cancel()
-		err = ormFactory.Close()
-		if err != nil {
-			log.Error("can not close ormFactory", "error", err)
-		}
-	}()
-	// Start metrics server.
-	metrics.Serve(subCtx, ctx)
-
-	l1client, err := ethclient.Dial(cfg.L1Config.Endpoint)
-	if err != nil {
-		log.Error("failed to connect l1 geth", "config file", cfgFile, "error", err)
-		return err
-	}
-
-	// Init l2geth connection
-	l2client, err := ethclient.Dial(cfg.L2Config.Endpoint)
-	if err != nil {
-		log.Error("failed to connect l2 geth", "config file", cfgFile, "error", err)
-		return err
-	}
-
-	l1watcher := watcher.NewL1WatcherClient(ctx.Context, l1client, cfg.L1Config.StartHeight, cfg.L1Config.Confirmations, cfg.L1Config.L1MessengerAddress, cfg.L1Config.L1MessageQueueAddress, cfg.L1Config.ScrollChainContractAddress, ormFactory)
-
-	l1relayer, err := relayer.NewLayer1Relayer(ctx.Context, ormFactory, cfg.L1Config.RelayerConfig)
-	if err != nil {
-		log.Error("failed to create new l1 relayer", "config file", cfgFile, "error", err)
-		return err
-	}
-	l2relayer, err := relayer.NewLayer2Relayer(ctx.Context, l2client, ormFactory, cfg.L2Config.RelayerConfig)
-	if err != nil {
-		log.Error("failed to create new l2 relayer", "config file", cfgFile, "error", err)
-		return err
-	}
-	// Start l1 watcher process
-	go cutils.LoopWithContext(subCtx, 10*time.Second, func(ctx context.Context) {
-		number, loopErr := utils.GetLatestConfirmedBlockNumber(ctx, l1client, cfg.L1Config.Confirmations)
-		if loopErr != nil {
-			log.Error("failed to get block number", "err", loopErr)
-			return
-		}
-
-		if loopErr = l1watcher.FetchBlockHeader(number); loopErr != nil {
-			log.Error("Failed to fetch L1 block header", "lastest", number, "err", loopErr)
-		}
-	})
-
-	// Start l1relayer process
-	go cutils.Loop(subCtx, 10*time.Second, l1relayer.ProcessGasPriceOracle)
-	go cutils.Loop(subCtx, 2*time.Second, l2relayer.ProcessGasPriceOracle)
-
-	// Finish start all message relayer functions
-	log.Info("Start gas-oracle successfully")
-
-	// Catch CTRL-C to ensure a graceful shutdown.
-	interrupt := make(chan os.Signal, 1)
-	signal.Notify(interrupt, os.Interrupt)
-
-	// Wait until the interrupt signal is received from an OS signal.
-	<-interrupt
-
-	return nil
-}
-
-// Run message_relayer cmd instance.
-func Run() {
-	if err := app.Run(os.Args); err != nil {
-		_, _ = fmt.Fprintln(os.Stderr, err)
-		os.Exit(1)
-	}
-}

bridge/cmd/gas_oracle/main.go

@@ -1,7 +0,0 @@
-package main
-
-import "scroll-tech/bridge/cmd/gas_oracle/app"
-
-func main() {
-	app.Run()
-}

bridge/cmd/main.go

@@ -0,0 +1,7 @@
+package main
+
+import "scroll-tech/bridge/cmd/app"
+
+func main() {
+	app.Run()
+}

bridge/cmd/mock_app.go

@@ -1,123 +0,0 @@
-package app
-
-import (
-	"encoding/json"
-	"fmt"
-	"os"
-	"testing"
-	"time"
-
-	"scroll-tech/common/cmd"
-	"scroll-tech/common/docker"
-	"scroll-tech/common/utils"
-
-	"scroll-tech/bridge/config"
-)
-
-// MockApp mockApp-test client manager.
-type MockApp struct {
-	Config *config.Config
-	base   *docker.App
-
-	mockApps map[utils.MockAppName]docker.AppAPI
-
-	originConfigFile string
-	BridgeConfigFile string
-
-	args []string
-}
-
-// NewBridgeApp return a new bridgeApp manager, name mush be one them.
-func NewBridgeApp(base *docker.App, file string) *MockApp {
-
-	bridgeFile := fmt.Sprintf("/tmp/%d_bridge-config.json", base.Timestamp)
-	bridgeApp := &MockApp{
-		base:             base,
-		mockApps:         make(map[utils.MockAppName]docker.AppAPI),
-		originConfigFile: file,
-		BridgeConfigFile: bridgeFile,
-		args:             []string{"--log.debug", "--config", bridgeFile},
-	}
-	if err := bridgeApp.MockConfig(true); err != nil {
-		panic(err)
-	}
-	return bridgeApp
-}
-
-// RunApp run bridge-test child process by multi parameters.
-func (b *MockApp) RunApp(t *testing.T, name utils.MockAppName, args ...string) {
-	if !(name == utils.EventWatcherApp ||
-		name == utils.GasOracleApp ||
-		name == utils.MessageRelayerApp ||
-		name == utils.RollupRelayerApp) {
-		t.Errorf(fmt.Sprintf("Don't support the mock app, name: %s", name))
-		return
-	}
-
-	if app, ok := b.mockApps[name]; ok {
-		t.Logf(fmt.Sprintf("%s already exist, free the current and recreate again", string(name)))
-		app.WaitExit()
-	}
-	appAPI := cmd.NewCmd(string(name), append(b.args, args...)...)
-	keyword := fmt.Sprintf("Start %s successfully", string(name)[:len(string(name))-len("-test")])
-	appAPI.RunApp(func() bool { return appAPI.WaitResult(t, time.Second*20, keyword) })
-	b.mockApps[name] = appAPI
-}
-
-// WaitExit wait util all processes exit.
-func (b *MockApp) WaitExit() {
-	for _, app := range b.mockApps {
-		app.WaitExit()
-	}
-	b.mockApps = make(map[utils.MockAppName]docker.AppAPI)
-}
-
-// Free stop and release bridge mocked apps.
-func (b *MockApp) Free() {
-	b.WaitExit()
-	_ = os.Remove(b.BridgeConfigFile)
-}
-
-// MockConfig creates a new bridge config.
-func (b *MockApp) MockConfig(store bool) error {
-	base := b.base
-	// Load origin bridge config file.
-	cfg, err := config.NewConfig(b.originConfigFile)
-	if err != nil {
-		return err
-	}
-
-	var (
-		l1Cfg, l2Cfg             = cfg.L1Config, cfg.L2Config
-		l1Contracts, l2Contracts = base.L1Contracts, base.L2Contracts
-	)
-	l1Cfg.Confirmations = 0
-
-	// set l1 and l2 chain endpoint.
-	l1Cfg.Endpoint = base.L1gethImg.Endpoint()
-	l2Cfg.RelayerConfig.SenderConfig.Endpoint = base.L1gethImg.Endpoint()
-	l2Cfg.Endpoint = base.L2gethImg.Endpoint()
-	l1Cfg.RelayerConfig.SenderConfig.Endpoint = base.L2gethImg.Endpoint()
-	cfg.DBConfig.DSN = base.DBImg.Endpoint()
-
-	// set l1 scroll contracts addresses.
-	l1Cfg.L1MessageQueueAddress = l1Contracts.L1MessageQueue
-	l1Cfg.ScrollChainContractAddress = l1Contracts.L1WETH
-	l1Cfg.L1MessengerAddress = l1Contracts.L1ScrollMessenger
-
-	// set l2 scroll contracts addresses.
-	l2Cfg.L2MessageQueueAddress = l2Contracts.L2MessageQueue
-	l2Cfg.L2MessengerAddress = l2Contracts.L2ScrollMessenger
-
-	b.Config = cfg
-
-	if !store {
-		return nil
-	}
-	// Store changed bridge config into a temp file.
-	data, err := json.Marshal(b.Config)
-	if err != nil {
-		return err
-	}
-	return os.WriteFile(b.BridgeConfigFile, data, 0600)
-}

bridge/cmd/msg_relayer/app/app.go

@@ -1,118 +0,0 @@
-package app
-
-import (
-	"context"
-	"fmt"
-	"os"
-	"os/signal"
-	"time"
-
-	"github.com/scroll-tech/go-ethereum/ethclient"
-	"github.com/scroll-tech/go-ethereum/log"
-	"github.com/urfave/cli/v2"
-
-	"scroll-tech/database"
-
-	"scroll-tech/common/metrics"
-	"scroll-tech/common/version"
-
-	"scroll-tech/bridge/config"
-	"scroll-tech/bridge/relayer"
-
-	cutils "scroll-tech/common/utils"
-)
-
-var (
-	app *cli.App
-)
-
-func init() {
-	// Set up message-relayer app info.
-	app = cli.NewApp()
-
-	app.Action = action
-	app.Name = "message-relayer"
-	app.Usage = "The Scroll Message Relayer"
-	app.Description = "Message Relayer contains two main service: 1) relay l1 message to l2. 2) relay l2 message to l1."
-	app.Version = version.Version
-	app.Flags = append(app.Flags, cutils.CommonFlags...)
-	app.Commands = []*cli.Command{}
-
-	app.Before = func(ctx *cli.Context) error {
-		return cutils.LogSetup(ctx)
-	}
-
-	// Register `message-relayer-test` app for integration-test.
-	cutils.RegisterSimulation(app, cutils.MessageRelayerApp)
-}
-
-func action(ctx *cli.Context) error {
-	// Load config file.
-	cfgFile := ctx.String(cutils.ConfigFileFlag.Name)
-	cfg, err := config.NewConfig(cfgFile)
-	if err != nil {
-		log.Crit("failed to load config file", "config file", cfgFile, "error", err)
-	}
-	subCtx, cancel := context.WithCancel(ctx.Context)
-
-	// Init db connection
-	var ormFactory database.OrmFactory
-	if ormFactory, err = database.NewOrmFactory(cfg.DBConfig); err != nil {
-		log.Crit("failed to init db connection", "err", err)
-	}
-
-	defer func() {
-		cancel()
-		err = ormFactory.Close()
-		if err != nil {
-			log.Error("can not close ormFactory", "error", err)
-		}
-	}()
-
-	// Start metrics server.
-	metrics.Serve(subCtx, ctx)
-
-	// Init l2geth connection
-	l2client, err := ethclient.Dial(cfg.L2Config.Endpoint)
-	if err != nil {
-		log.Error("failed to connect l2 geth", "config file", cfgFile, "error", err)
-		return err
-	}
-
-	l1relayer, err := relayer.NewLayer1Relayer(ctx.Context, ormFactory, cfg.L1Config.RelayerConfig)
-	if err != nil {
-		log.Error("failed to create new l1 relayer", "config file", cfgFile, "error", err)
-		return err
-	}
-	l2relayer, err := relayer.NewLayer2Relayer(ctx.Context, l2client, ormFactory, cfg.L2Config.RelayerConfig)
-	if err != nil {
-		log.Error("failed to create new l2 relayer", "config file", cfgFile, "error", err)
-		return err
-	}
-
-	// Start l1relayer process
-	go cutils.Loop(subCtx, 10*time.Second, l1relayer.ProcessSavedEvents)
-
-	// Start l2relayer process
-	go cutils.Loop(subCtx, 2*time.Second, l2relayer.ProcessSavedEvents)
-
-	// Finish start all message relayer functions
-	log.Info("Start message-relayer successfully")
-
-	// Catch CTRL-C to ensure a graceful shutdown.
-	interrupt := make(chan os.Signal, 1)
-	signal.Notify(interrupt, os.Interrupt)
-
-	// Wait until the interrupt signal is received from an OS signal.
-	<-interrupt
-
-	return nil
-}
-
-// Run message_relayer cmd instance.
-func Run() {
-	if err := app.Run(os.Args); err != nil {
-		_, _ = fmt.Fprintln(os.Stderr, err)
-		os.Exit(1)
-	}
-}

bridge/cmd/msg_relayer/main.go

@@ -1,7 +0,0 @@
-package main
-
-import "scroll-tech/bridge/cmd/msg_relayer/app"
-
-func main() {
-	app.Run()
-}

bridge/cmd/rollup_relayer/app/app.go

@@ -1,133 +0,0 @@
-package app
-
-import (
-	"context"
-	"fmt"
-	"os"
-	"os/signal"
-	"time"
-
-	"github.com/scroll-tech/go-ethereum/ethclient"
-	"github.com/scroll-tech/go-ethereum/log"
-	"github.com/urfave/cli/v2"
-
-	"scroll-tech/database"
-
-	"scroll-tech/common/metrics"
-	"scroll-tech/common/version"
-
-	"scroll-tech/bridge/config"
-	"scroll-tech/bridge/relayer"
-	"scroll-tech/bridge/utils"
-	"scroll-tech/bridge/watcher"
-
-	cutils "scroll-tech/common/utils"
-)
-
-var (
-	app *cli.App
-)
-
-func init() {
-	// Set up rollup-relayer app info.
-	app = cli.NewApp()
-
-	app.Action = action
-	app.Name = "rollup-relayer"
-	app.Usage = "The Scroll Rollup Relayer"
-	app.Version = version.Version
-	app.Flags = append(app.Flags, cutils.CommonFlags...)
-	app.Commands = []*cli.Command{}
-
-	app.Before = func(ctx *cli.Context) error {
-		return cutils.LogSetup(ctx)
-	}
-	// Register `rollup-relayer-test` app for integration-test.
-	cutils.RegisterSimulation(app, cutils.RollupRelayerApp)
-}
-
-func action(ctx *cli.Context) error {
-	// Load config file.
-	cfgFile := ctx.String(cutils.ConfigFileFlag.Name)
-	cfg, err := config.NewConfig(cfgFile)
-	if err != nil {
-		log.Crit("failed to load config file", "config file", cfgFile, "error", err)
-	}
-
-	subCtx, cancel := context.WithCancel(ctx.Context)
-
-	// init db connection
-	var ormFactory database.OrmFactory
-	if ormFactory, err = database.NewOrmFactory(cfg.DBConfig); err != nil {
-		log.Crit("failed to init db connection", "err", err)
-	}
-	defer func() {
-		cancel()
-		err = ormFactory.Close()
-		if err != nil {
-			log.Error("can not close ormFactory", "error", err)
-		}
-	}()
-
-	// Start metrics server.
-	metrics.Serve(subCtx, ctx)
-
-	// Init l2geth connection
-	l2client, err := ethclient.Dial(cfg.L2Config.Endpoint)
-	if err != nil {
-		log.Error("failed to connect l2 geth", "config file", cfgFile, "error", err)
-		return err
-	}
-
-	l2relayer, err := relayer.NewLayer2Relayer(ctx.Context, l2client, ormFactory, cfg.L2Config.RelayerConfig)
-	if err != nil {
-		log.Error("failed to create l2 relayer", "config file", cfgFile, "error", err)
-		return err
-	}
-
-	batchProposer := watcher.NewBatchProposer(subCtx, cfg.L2Config.BatchProposerConfig, l2relayer, ormFactory)
-	if err != nil {
-		log.Error("failed to create batchProposer", "config file", cfgFile, "error", err)
-		return err
-	}
-
-	l2watcher := watcher.NewL2WatcherClient(subCtx, l2client, cfg.L2Config.Confirmations, cfg.L2Config.L2MessengerAddress, cfg.L2Config.L2MessageQueueAddress, cfg.L2Config.WithdrawTrieRootSlot, ormFactory)
-
-	// Watcher loop to fetch missing blocks
-	go cutils.LoopWithContext(subCtx, 2*time.Second, func(ctx context.Context) {
-		number, loopErr := utils.GetLatestConfirmedBlockNumber(ctx, l2client, cfg.L2Config.Confirmations)
-		if loopErr != nil {
-			log.Error("failed to get block number", "err", loopErr)
-			return
-		}
-		l2watcher.TryFetchRunningMissingBlocks(ctx, number)
-	})
-
-	// Batch proposer loop
-	go cutils.Loop(subCtx, 2*time.Second, func() {
-		batchProposer.TryProposeBatch()
-		batchProposer.TryCommitBatches()
-	})
-
-	go cutils.Loop(subCtx, 2*time.Second, l2relayer.ProcessCommittedBatches)
-
-	// Finish start all rollup relayer functions.
-	log.Info("Start rollup-relayer successfully")
-
-	// Catch CTRL-C to ensure a graceful shutdown.
-	interrupt := make(chan os.Signal, 1)
-	signal.Notify(interrupt, os.Interrupt)
-
-	// Wait until the interrupt signal is received from an OS signal.
-	<-interrupt
-
-	return nil
-}
-
-// Run rollup relayer cmd instance.
-func Run() {
-	if err := app.Run(os.Args); err != nil {
-		_, _ = fmt.Fprintln(os.Stderr, err)
-		os.Exit(1)
-	}
-}

bridge/cmd/rollup_relayer/main.go

@@ -1,7 +0,0 @@
-package main
-
-import "scroll-tech/bridge/cmd/rollup_relayer/app"
-
-func main() {
-	app.Run()
-}

bridge/config.json

@@ -12,26 +12,19 @@
       "sender_config": {
         "endpoint": "/var/lib/jenkins/workspace/SequencerPipeline/MyPrivateNetwork/geth.ipc",
         "check_pending_time": 2,
-        "check_balance_time": 100,
         "escalate_blocks": 100,
         "confirmations": "0x1",
         "escalate_multiple_num": 11,
         "escalate_multiple_den": 10,
         "max_gas_price": 10000000000,
         "tx_type": "LegacyTx",
-        "min_balance": 100000000000000000000,
-        "pending_limit": 10
+        "min_balance": 100000000000000000000
       },
-      "gas_oracle_config": {
-        "min_gas_price": 0,
-        "gas_price_diff": 50000
-      },
-      "finalize_batch_interval_sec": 0,
       "message_sender_private_keys": [
         "1212121212121212121212121212121212121212121212121212121212121212"
       ],
       "gas_oracle_sender_private_keys": [
-        "1313131313131313131313131313131313131313131313131313131313131313"
+        "1212121212121212121212121212121212121212121212121212121212121212"
       ]
     }
   },
@@ -47,29 +40,22 @@
       "sender_config": {
         "endpoint": "https://goerli.infura.io/v3/9aa3d95b3bc440fa88ea12eaa4456161",
         "check_pending_time": 10,
-        "check_balance_time": 100,
         "escalate_blocks": 100,
         "confirmations": "0x6",
         "escalate_multiple_num": 11,
         "escalate_multiple_den": 10,
         "max_gas_price": 10000000000,
         "tx_type": "LegacyTx",
-        "min_balance": 100000000000000000000,
-        "pending_limit": 10
+        "min_balance": 100000000000000000000
       },
-      "gas_oracle_config": {
-        "min_gas_price": 0,
-        "gas_price_diff": 50000
-      },
-      "finalize_batch_interval_sec": 0,
       "message_sender_private_keys": [
         "1212121212121212121212121212121212121212121212121212121212121212"
       ],
       "gas_oracle_sender_private_keys": [
-        "1313131313131313131313131313131313131313131313131313131313131313"
+        "1212121212121212121212121212121212121212121212121212121212121212"
       ],
       "rollup_sender_private_keys": [
-        "1414141414141414141414141414141414141414141414141414141414141414"
+        "1212121212121212121212121212121212121212121212121212121212121212"
       ]
     },
     "batch_proposer_config": {
@@ -77,7 +63,6 @@
       "batch_gas_threshold": 3000000,
       "batch_tx_num_threshold": 44,
       "batch_time_sec": 300,
-      "batch_commit_time_sec": 1200,
       "batch_blocks_limit": 100,
       "commit_tx_calldata_size_limit": 200000,
       "public_input_config": {
@@ -88,8 +73,6 @@
   },
   "db_config": {
     "driver_name": "postgres",
-    "dsn": "postgres://admin:123456@localhost/test?sslmode=disable",
-    "maxOpenNum": 200,
-    "maxIdleNum": 20
+    "dsn": "postgres://admin:123456@localhost/test?sslmode=disable"
   }
 }

bridge/config/l2_config.go

@@ -18,8 +18,6 @@ type L2Config struct {
 	L2MessengerAddress common.Address `json:"l2_messenger_address"`
 	// The L2MessageQueue contract address deployed on layer 2 chain.
 	L2MessageQueueAddress common.Address `json:"l2_message_queue_address"`
-	// The WithdrawTrieRootSlot in L2MessageQueue contract.
-	WithdrawTrieRootSlot common.Hash `json:"withdraw_trie_root_slot,omitempty"`
 	// The relayer config
 	RelayerConfig *RelayerConfig `json:"relayer_config"`
 	// The batch_proposer config
@@ -36,14 +34,10 @@ type BatchProposerConfig struct {
 	BatchGasThreshold uint64 `json:"batch_gas_threshold"`
 	// Time waited to generate a batch even if gas_threshold not met
 	BatchTimeSec uint64 `json:"batch_time_sec"`
-	// Time waited to commit batches before the calldata met CommitTxCalldataSizeLimit
-	BatchCommitTimeSec uint64 `json:"batch_commit_time_sec"`
 	// Max number of blocks in a batch
 	BatchBlocksLimit uint64 `json:"batch_blocks_limit"`
 	// Commit tx calldata size limit in bytes, target to cap the gas use of commit tx at 2M gas
 	CommitTxCalldataSizeLimit uint64 `json:"commit_tx_calldata_size_limit"`
-	// Commit tx calldata min size limit in bytes
-	CommitTxCalldataMinSize uint64 `json:"commit_tx_calldata_min_size,omitempty"`
 	// The public input hash config
 	PublicInputConfig *types.PublicInputHashConfig `json:"public_input_config"`
 }

bridge/config/relayer_config.go

@@ -31,10 +31,6 @@ type SenderConfig struct {
 	TxType string `json:"tx_type"`
 	// The min balance set for check and set balance for sender's accounts.
 	MinBalance *big.Int `json:"min_balance,omitempty"`
-	// The interval (in seconds) to check balance and top up sender's accounts
-	CheckBalanceTime uint64 `json:"check_balance_time"`
-	// The sender's pending count limit.
-	PendingLimit int `json:"pending_limit,omitempty"`
 }
 
 // RelayerConfig loads relayer configuration items.
@@ -46,29 +42,15 @@ type RelayerConfig struct {
 	// MessengerContractAddress store the scroll messenger contract address.
 	MessengerContractAddress common.Address `json:"messenger_contract_address"`
 	// GasPriceOracleContractAddress store the scroll messenger contract address.
-	GasPriceOracleContractAddress common.Address `json:"gas_price_oracle_contract_address"`
+	GasPriceOracleContractAddress common.Address `json:"gas_proce_oracle_contract_address"`
 	// sender config
 	SenderConfig *SenderConfig `json:"sender_config"`
-	// gas oracle config
-	GasOracleConfig *GasOracleConfig `json:"gas_oracle_config"`
-	// The interval in which we send finalize batch transactions.
-	FinalizeBatchIntervalSec uint64 `json:"finalize_batch_interval_sec"`
-	// MessageRelayMinGasLimit to avoid OutOfGas error
-	MessageRelayMinGasLimit uint64 `json:"message_relay_min_gas_limit,omitempty"`
 	// The private key of the relayer
 	MessageSenderPrivateKeys   []*ecdsa.PrivateKey `json:"-"`
 	GasOracleSenderPrivateKeys []*ecdsa.PrivateKey `json:"-"`
 	RollupSenderPrivateKeys    []*ecdsa.PrivateKey `json:"-"`
 }
 
-// GasOracleConfig The config for updating gas price oracle.
-type GasOracleConfig struct {
-	// MinGasPrice store the minimum gas price to set.
-	MinGasPrice uint64 `json:"min_gas_price"`
-	// GasPriceDiff store the percentage of gas price difference.
-	GasPriceDiff uint64 `json:"gas_price_diff"`
-}
-
 // relayerConfigAlias RelayerConfig alias name
 type relayerConfigAlias RelayerConfig
 

bridge/go.mod

@@ -4,9 +4,8 @@ go 1.18
 
 require (
 	github.com/orcaman/concurrent-map v1.0.0
-	github.com/orcaman/concurrent-map/v2 v2.0.1
-	github.com/scroll-tech/go-ethereum v1.10.14-0.20230321020420-127af384ed04
-	github.com/stretchr/testify v1.8.2
+	github.com/scroll-tech/go-ethereum v1.10.14-0.20230220082843-ec9254b0b1c6
+	github.com/stretchr/testify v1.8.0
 	github.com/urfave/cli/v2 v2.17.2-0.20221006022127-8f469abc00aa
 	golang.org/x/sync v0.1.0
 	modernc.org/mathutil v1.4.1
@@ -17,26 +16,26 @@ require (
 	github.com/cpuguy83/go-md2man/v2 v2.0.2 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/deckarep/golang-set v1.8.0 // indirect
-	github.com/ethereum/go-ethereum v1.11.4 // indirect
+	github.com/ethereum/go-ethereum v1.11.1 // indirect
 	github.com/go-ole/go-ole v1.2.6 // indirect
 	github.com/go-stack/stack v1.8.1 // indirect
 	github.com/google/uuid v1.3.0 // indirect
 	github.com/gorilla/websocket v1.5.0 // indirect
-	github.com/iden3/go-iden3-crypto v0.0.14 // indirect
+	github.com/holiman/uint256 v1.2.0 // indirect
+	github.com/iden3/go-iden3-crypto v0.0.13 // indirect
 	github.com/mitchellh/mapstructure v1.5.0 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/remyoudompheng/bigfft v0.0.0-20200410134404-eec4a21b6bb0 // indirect
 	github.com/rjeczalik/notify v0.9.1 // indirect
 	github.com/russross/blackfriday/v2 v2.1.0 // indirect
-	github.com/scroll-tech/zktrie v0.5.2 // indirect
+	github.com/scroll-tech/zktrie v0.5.0 // indirect
 	github.com/shirou/gopsutil v3.21.11+incompatible // indirect
 	github.com/tklauser/go-sysconf v0.3.10 // indirect
 	github.com/tklauser/numcpus v0.4.0 // indirect
 	github.com/xrash/smetrics v0.0.0-20201216005158-039620a65673 // indirect
 	github.com/yusufpapurcu/wmi v1.2.2 // indirect
-	golang.org/x/crypto v0.7.0 // indirect
-	golang.org/x/sys v0.6.0 // indirect
-	gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect
+	golang.org/x/crypto v0.6.0 // indirect
+	golang.org/x/sys v0.5.0 // indirect
 	gopkg.in/natefinch/npipe.v2 v2.0.0-20160621034901-c1b8fa8bdcce // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

bridge/go.sum

@@ -1,5 +1,63 @@
+cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
+cloud.google.com/go v0.43.0/go.mod h1:BOSR3VbTLkk6FDC/TcffxP4NF/FFBGA5ku+jvKOP7pg=
+cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
+cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
+cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
+cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
+cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To=
+cloud.google.com/go v0.51.0/go.mod h1:hWtGJ6gnXH+KgDv+V0zFGDvpi07n3z8ZNj3T1RW0Gcw=
+cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
+cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE=
+cloud.google.com/go/bigtable v1.2.0/go.mod h1:JcVAOl45lrTmQfLj7T6TxyMzIN/3FGGcFm+2xVAli2o=
+cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
+cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
+cloud.google.com/go/pubsub v1.1.0/go.mod h1:EwwdRX2sKPjnvnqCa270oGRyludottCI76h+R3AArQw=
+cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
+cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0ZeosJ0Rtdos=
+collectd.org v0.3.0/go.mod h1:A/8DzQBkF6abtvrT2j/AU/4tiBgJWYyh0y/oB/4MlWE=
+dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
+github.com/Azure/azure-pipeline-go v0.2.1/go.mod h1:UGSo8XybXnIGZ3epmeBw7Jdz+HiUVpqIlpz/HKHylF4=
+github.com/Azure/azure-pipeline-go v0.2.2/go.mod h1:4rQ/NZncSvGqNkkOsNpOU1tgoNuIlp9AfUH5G1tvCHc=
+github.com/Azure/azure-storage-blob-go v0.7.0/go.mod h1:f9YQKtsG1nMisotuTPpO0tjNuEjKRYAcJU8/ydDI++4=
+github.com/Azure/go-autorest/autorest v0.9.0/go.mod h1:xyHB1BMZT0cuDHU7I0+g046+BFDTQ8rEZB0s4Yfa6bI=
+github.com/Azure/go-autorest/autorest/adal v0.5.0/go.mod h1:8Z9fGy2MpX0PvDjB1pEgQTmVqjGhiHBW7RJJEciWzS0=
+github.com/Azure/go-autorest/autorest/adal v0.8.0/go.mod h1:Z6vX6WXXuyieHAXwMj0S6HY6e6wcHn37qQMBQlvY3lc=
+github.com/Azure/go-autorest/autorest/date v0.1.0/go.mod h1:plvfp3oPSKwf2DNjlBjWF/7vwR+cUD/ELuzDCXwHUVA=
+github.com/Azure/go-autorest/autorest/date v0.2.0/go.mod h1:vcORJHLJEh643/Ioh9+vPmf1Ij9AEBM5FuBIXLmIy0g=
+github.com/Azure/go-autorest/autorest/mocks v0.1.0/go.mod h1:OTyCOPRA2IgIlWxVYxBee2F5Gr4kF2zd2J5cFRaIDN0=
+github.com/Azure/go-autorest/autorest/mocks v0.2.0/go.mod h1:OTyCOPRA2IgIlWxVYxBee2F5Gr4kF2zd2J5cFRaIDN0=
+github.com/Azure/go-autorest/autorest/mocks v0.3.0/go.mod h1:a8FDP3DYzQ4RYfVAxAN3SVSiiO77gL2j2ronKKP0syM=
+github.com/Azure/go-autorest/logger v0.1.0/go.mod h1:oExouG+K6PryycPJfVSxi/koC6LSNgds39diKLz7Vrc=
+github.com/Azure/go-autorest/tracing v0.5.0/go.mod h1:r/s2XiOKccPW3HrqB+W0TQzfbtp2fGCgRFtBroKn4Dk=
+github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
+github.com/DATA-DOG/go-sqlmock v1.3.3/go.mod h1:f/Ixk793poVmq4qj/V1dPUg2JEAKC73Q5eFN3EC/SaM=
+github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
+github.com/StackExchange/wmi v0.0.0-20180116203802-5d049714c4a6/go.mod h1:3eOhrUMpNV+6aFIbp5/iudMxNCF27Vw2OZgy4xEx0Fg=
 github.com/VictoriaMetrics/fastcache v1.6.0 h1:C/3Oi3EiBCqufydp1neRZkqcwmEiuRT9c3fqvvgKm5o=
+github.com/VictoriaMetrics/fastcache v1.6.0/go.mod h1:0qHz5QP0GMX4pfmMA/zt5RgfNuXJrTP0zS7DqpHGGTw=
 github.com/aead/siphash v1.0.1/go.mod h1:Nywa3cDsYNNK3gaciGTWPwHt0wlpNV15vwmswBAUSII=
+github.com/ajstarks/svgo v0.0.0-20180226025133-644b8db467af/go.mod h1:K08gAheRH3/J6wwsYMMT4xOr94bZjxIelGM0+d/wbFw=
+github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
+github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
+github.com/allegro/bigcache v1.2.1-0.20190218064605-e24eb225f156/go.mod h1:Cb/ax3seSYIx7SuZdm2G2xzfwmv3TPSk2ucNfQESPXM=
+github.com/andreyvit/diff v0.0.0-20170406064948-c7f18ee00883/go.mod h1:rCTlJbsFo29Kk6CurOXKm700vrz8f0KW0JNfpkRJY/8=
+github.com/apache/arrow/go/arrow v0.0.0-20191024131854-af6fa24be0db/go.mod h1:VTxUBvSJ3s3eHAg65PNgrsn5BtqCRPdmyXh6rAfdxN0=
+github.com/aws/aws-sdk-go-v2 v1.2.0/go.mod h1:zEQs02YRBw1DjK0PoJv3ygDYOFTre1ejlJWl8FwAuQo=
+github.com/aws/aws-sdk-go-v2/config v1.1.1/go.mod h1:0XsVy9lBI/BCXm+2Tuvt39YmdHwS5unDQmxZOYe8F5Y=
+github.com/aws/aws-sdk-go-v2/credentials v1.1.1/go.mod h1:mM2iIjwl7LULWtS6JCACyInboHirisUUdkBPoTHMOUo=
+github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.0.2/go.mod h1:3hGg3PpiEjHnrkrlasTfxFqUsZ2GCk/fMUn4CbKgSkM=
+github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.0.2/go.mod h1:45MfaXZ0cNbeuT0KQ1XJylq8A6+OpVV2E5kvY/Kq+u8=
+github.com/aws/aws-sdk-go-v2/service/route53 v1.1.1/go.mod h1:rLiOUrPLW/Er5kRcQ7NkwbjlijluLsrIbu/iyl35RO4=
+github.com/aws/aws-sdk-go-v2/service/sso v1.1.1/go.mod h1:SuZJxklHxLAXgLTc1iFXbEWkXs7QRTQpCLGaKIprQW0=
+github.com/aws/aws-sdk-go-v2/service/sts v1.1.1/go.mod h1:Wi0EBZwiz/K44YliU0EKxqTCJGUfYTWXrrBwkq736bM=
+github.com/aws/smithy-go v1.1.0/go.mod h1:EzMw8dbp/YJL4A5/sbhGddag+NPT7q084agLbB9LgIw=
+github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
+github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
+github.com/bmizerany/pat v0.0.0-20170815010413-6226ea591a40/go.mod h1:8rLXio+WjiTceGBHIoTvn60HIbs7Hm7bcHjyrSqYB9c=
+github.com/boltdb/bolt v1.3.1/go.mod h1:clJnj/oiGkjum5o1McbSZDSLxVThjynRyGBgiAx27Ps=
 github.com/btcsuite/btcd v0.20.1-beta h1:Ik4hyJqN8Jfyv3S4AGBOmyouMsYE3EdYODkMbQjwPGw=
 github.com/btcsuite/btcd v0.20.1-beta/go.mod h1:wVuoA8VJLEcwgqHBwHmzLRazpKxTv13Px/pDuV7OomQ=
 github.com/btcsuite/btclog v0.0.0-20170628155309-84c8d2346e9f/go.mod h1:TdznJufoqS23FtqVCzL0ZqgP5MqXbb4fg/WgDys70nA=
@@ -9,128 +67,598 @@ github.com/btcsuite/goleveldb v0.0.0-20160330041536-7834afc9e8cd/go.mod h1:F+uVa
 github.com/btcsuite/snappy-go v0.0.0-20151229074030-0bdef8d06723/go.mod h1:8woku9dyThutzjeg+3xrA5iCpBRH8XEEg3lh6TiUghc=
 github.com/btcsuite/websocket v0.0.0-20150119174127-31079b680792/go.mod h1:ghJtEyQwv5/p4Mg4C0fgbePVuGr935/5ddU9Z3TmDRY=
 github.com/btcsuite/winsvc v1.0.0/go.mod h1:jsenWakMcC0zFBFurPLEAyrnc/teJEM1O46fmI40EZs=
+github.com/c-bata/go-prompt v0.2.2/go.mod h1:VzqtzE2ksDBcdln8G7mk2RX9QyGjH+OVqOCSiVIqS34=
+github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/cespare/cp v0.1.0 h1:SE+dxFebS7Iik5LK0tsi1k9ZCxEaFX4AjQmoyA+1dJk=
+github.com/cespare/cp v0.1.0/go.mod h1:SOGHArjBr4JWaSDEVpWpo/hNg6RoKrls6Oh40hiwW+s=
+github.com/cespare/xxhash v1.1.0 h1:a6HrQnmkObjyL+Gs60czilIUGqrzKutQD6XZog3p+ko=
+github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
+github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/cespare/xxhash/v2 v2.2.0 h1:DC2CZ1Ep5Y4k3ZQ899DldepgrayRUGE6BBZ/cd9Cj44=
+github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
+github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
+github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
+github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
+github.com/cloudflare/cloudflare-go v0.14.0/go.mod h1:EnwdgGMaFOruiPZRFSgn+TsQ3hQ7C/YWzIGLeu5c304=
+github.com/consensys/bavard v0.1.8-0.20210406032232-f3452dc9b572/go.mod h1:Bpd0/3mZuaj6Sj+PqrmIquiOKy397AKGThQPaGzNXAQ=
+github.com/consensys/gnark-crypto v0.4.1-0.20210426202927-39ac3d4b3f1f/go.mod h1:815PAHg3wvysy0SyIqanF8gZ0Y1wjk/hrDHD/iT88+Q=
+github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 github.com/cpuguy83/go-md2man/v2 v2.0.2 h1:p1EgwI/C7NhT0JmVkwCD2ZBK8j4aeHQX2pMHHBfMQ6w=
 github.com/cpuguy83/go-md2man/v2 v2.0.2/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
+github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
+github.com/cyberdelia/templates v0.0.0-20141128023046-ca7fffd4298c/go.mod h1:GyV+0YP4qX0UQ7r2MoYZ+AvYDp12OF5yg4q8rGnyNh4=
+github.com/dave/jennifer v1.2.0/go.mod h1:fIb+770HOpJ2fmN9EPPKOqm1vMGhB+TwXKMZhrIygKg=
 github.com/davecgh/go-spew v0.0.0-20171005155431-ecdeabc65495/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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bridge/l1/backend.go

@@ -0,0 +1,55 @@
+package l1
+
+import (
+	"context"
+
+	"github.com/scroll-tech/go-ethereum/ethclient"
+
+	"scroll-tech/database"
+
+	"scroll-tech/bridge/config"
+)
+
+// Backend manage the resources and services of L1 backend.
+// The backend should monitor events in layer 1 and relay transactions to layer 2
+type Backend struct {
+	cfg     *config.L1Config
+	watcher *Watcher
+	relayer *Layer1Relayer
+	orm     database.OrmFactory
+}
+
+// New returns a new instance of Backend.
+func New(ctx context.Context, cfg *config.L1Config, orm database.OrmFactory) (*Backend, error) {
+	client, err := ethclient.Dial(cfg.Endpoint)
+	if err != nil {
+		return nil, err
+	}
+
+	relayer, err := NewLayer1Relayer(ctx, orm, cfg.RelayerConfig)
+	if err != nil {
+		return nil, err
+	}
+
+	watcher := NewWatcher(ctx, client, cfg.StartHeight, cfg.Confirmations, cfg.L1MessengerAddress, cfg.L1MessageQueueAddress, cfg.ScrollChainContractAddress, orm)
+
+	return &Backend{
+		cfg:     cfg,
+		watcher: watcher,
+		relayer: relayer,
+		orm:     orm,
+	}, nil
+}
+
+// Start Backend module.
+func (l1 *Backend) Start() error {
+	l1.watcher.Start()
+	l1.relayer.Start()
+	return nil
+}
+
+// Stop Backend module.
+func (l1 *Backend) Stop() {
+	l1.watcher.Stop()
+	l1.relayer.Stop()
+}

bridge/l1/l1_test.go

@@ -0,0 +1,65 @@
+package l1
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+
+	"scroll-tech/common/docker"
+
+	"scroll-tech/bridge/config"
+)
+
+var (
+	// config
+	cfg *config.Config
+
+	// docker consider handler.
+	l1gethImg docker.ImgInstance
+	l2gethImg docker.ImgInstance
+	dbImg     docker.ImgInstance
+)
+
+func setupEnv(t *testing.T) {
+	// Load config.
+	var err error
+	cfg, err = config.NewConfig("../config.json")
+	assert.NoError(t, err)
+
+	// Create l1geth container.
+	l1gethImg = docker.NewTestL1Docker(t)
+	cfg.L2Config.RelayerConfig.SenderConfig.Endpoint = l1gethImg.Endpoint()
+	cfg.L1Config.Endpoint = l1gethImg.Endpoint()
+
+	// Create l2geth container.
+	l2gethImg = docker.NewTestL2Docker(t)
+	cfg.L1Config.RelayerConfig.SenderConfig.Endpoint = l2gethImg.Endpoint()
+	cfg.L2Config.Endpoint = l2gethImg.Endpoint()
+
+	// Create db container.
+	dbImg = docker.NewTestDBDocker(t, cfg.DBConfig.DriverName)
+	cfg.DBConfig.DSN = dbImg.Endpoint()
+}
+
+func free(t *testing.T) {
+	if dbImg != nil {
+		assert.NoError(t, dbImg.Stop())
+	}
+	if l1gethImg != nil {
+		assert.NoError(t, l1gethImg.Stop())
+	}
+	if l2gethImg != nil {
+		assert.NoError(t, l2gethImg.Stop())
+	}
+}
+
+func TestL1(t *testing.T) {
+	setupEnv(t)
+
+	t.Run("testCreateNewL1Relayer", testCreateNewL1Relayer)
+	t.Run("testStartWatcher", testStartWatcher)
+
+	t.Cleanup(func() {
+		free(t)
+	})
+}

bridge/l1/relayer.go

@@ -0,0 +1,238 @@
+package l1
+
+import (
+	"context"
+	"errors"
+	"math/big"
+	"time"
+
+	// not sure if this will make problems when relay with l1geth
+
+	"github.com/scroll-tech/go-ethereum/accounts/abi"
+	"github.com/scroll-tech/go-ethereum/common"
+	"github.com/scroll-tech/go-ethereum/crypto"
+	"github.com/scroll-tech/go-ethereum/log"
+
+	"scroll-tech/common/types"
+
+	"scroll-tech/database"
+
+	bridge_abi "scroll-tech/bridge/abi"
+	"scroll-tech/bridge/config"
+	"scroll-tech/bridge/sender"
+)
+
+// Layer1Relayer is responsible for
+//  1. fetch pending L1Message from db
+//  2. relay pending message to layer 2 node
+//
+// Actions are triggered by new head from layer 1 geth node.
+// @todo It's better to be triggered by watcher.
+type Layer1Relayer struct {
+	ctx context.Context
+
+	db  database.OrmFactory
+	cfg *config.RelayerConfig
+
+	// channel used to communicate with transaction sender
+	messageSender  *sender.Sender
+	messageCh      <-chan *sender.Confirmation
+	l2MessengerABI *abi.ABI
+
+	gasOracleSender *sender.Sender
+	gasOracleCh     <-chan *sender.Confirmation
+	l1GasOracleABI  *abi.ABI
+
+	stopCh chan struct{}
+}
+
+// NewLayer1Relayer will return a new instance of Layer1RelayerClient
+func NewLayer1Relayer(ctx context.Context, db database.OrmFactory, cfg *config.RelayerConfig) (*Layer1Relayer, error) {
+	messageSender, err := sender.NewSender(ctx, cfg.SenderConfig, cfg.MessageSenderPrivateKeys)
+	if err != nil {
+		addr := crypto.PubkeyToAddress(cfg.MessageSenderPrivateKeys[0].PublicKey)
+		log.Error("new MessageSender failed", "main address", addr.String(), "err", err)
+		return nil, err
+	}
+
+	// @todo make sure only one sender is available
+	gasOracleSender, err := sender.NewSender(ctx, cfg.SenderConfig, cfg.GasOracleSenderPrivateKeys)
+	if err != nil {
+		addr := crypto.PubkeyToAddress(cfg.GasOracleSenderPrivateKeys[0].PublicKey)
+		log.Error("new MessageSender failed", "main address", addr.String(), "err", err)
+		return nil, err
+	}
+
+	return &Layer1Relayer{
+		ctx: ctx,
+		db:  db,
+
+		messageSender:  messageSender,
+		messageCh:      messageSender.ConfirmChan(),
+		l2MessengerABI: bridge_abi.L2ScrollMessengerABI,
+
+		gasOracleSender: gasOracleSender,
+		gasOracleCh:     gasOracleSender.ConfirmChan(),
+		l1GasOracleABI:  bridge_abi.L1GasPriceOracleABI,
+
+		cfg:    cfg,
+		stopCh: make(chan struct{}),
+	}, nil
+}
+
+// ProcessSavedEvents relays saved un-processed cross-domain transactions to desired blockchain
+func (r *Layer1Relayer) ProcessSavedEvents() {
+	// msgs are sorted by nonce in increasing order
+	msgs, err := r.db.GetL1MessagesByStatus(types.MsgPending, 100)
+	if err != nil {
+		log.Error("Failed to fetch unprocessed L1 messages", "err", err)
+		return
+	}
+
+	if len(msgs) > 0 {
+		log.Info("Processing L1 messages", "count", len(msgs))
+	}
+
+	for _, msg := range msgs {
+		if err = r.processSavedEvent(msg); err != nil {
+			if !errors.Is(err, sender.ErrNoAvailableAccount) {
+				log.Error("failed to process event", "msg.msgHash", msg.MsgHash, "err", err)
+			}
+			return
+		}
+	}
+}
+
+func (r *Layer1Relayer) processSavedEvent(msg *types.L1Message) error {
+	calldata := common.Hex2Bytes(msg.Calldata)
+
+	hash, err := r.messageSender.SendTransaction(msg.MsgHash, &r.cfg.MessengerContractAddress, big.NewInt(0), calldata)
+	if err != nil && err.Error() == "execution reverted: Message expired" {
+		return r.db.UpdateLayer1Status(r.ctx, msg.MsgHash, types.MsgExpired)
+	}
+	if err != nil && err.Error() == "execution reverted: Message successfully executed" {
+		return r.db.UpdateLayer1Status(r.ctx, msg.MsgHash, types.MsgConfirmed)
+	}
+	if err != nil {
+		return err
+	}
+	log.Info("relayMessage to layer2", "msg hash", msg.MsgHash, "tx hash", hash)
+
+	err = r.db.UpdateLayer1StatusAndLayer2Hash(r.ctx, msg.MsgHash, types.MsgSubmitted, hash.String())
+	if err != nil {
+		log.Error("UpdateLayer1StatusAndLayer2Hash failed", "msg.msgHash", msg.MsgHash, "msg.height", msg.Height, "err", err)
+	}
+	return err
+}
+
+// ProcessGasPriceOracle imports gas price to layer2
+func (r *Layer1Relayer) ProcessGasPriceOracle() {
+	latestBlockHeight, err := r.db.GetLatestL1BlockHeight()
+	if err != nil {
+		log.Warn("Failed to fetch latest L1 block height from db", "err", err)
+		return
+	}
+
+	blocks, err := r.db.GetL1BlockInfos(map[string]interface{}{
+		"number": latestBlockHeight,
+	})
+	if err != nil {
+		log.Error("Failed to GetL1BlockInfos from db", "height", latestBlockHeight, "err", err)
+		return
+	}
+	if len(blocks) != 1 {
+		log.Error("Block not exist", "height", latestBlockHeight)
+		return
+	}
+	block := blocks[0]
+
+	if block.GasOracleStatus == types.GasOraclePending {
+		baseFee := big.NewInt(int64(block.BaseFee))
+		data, err := r.l1GasOracleABI.Pack("setL1BaseFee", baseFee)
+		if err != nil {
+			log.Error("Failed to pack setL1BaseFee", "block.Hash", block.Hash, "block.Height", block.Number, "block.BaseFee", block.BaseFee, "err", err)
+			return
+		}
+
+		hash, err := r.gasOracleSender.SendTransaction(block.Hash, &r.cfg.GasPriceOracleContractAddress, big.NewInt(0), data)
+		if err != nil {
+			if !errors.Is(err, sender.ErrNoAvailableAccount) {
+				log.Error("Failed to send setL1BaseFee tx to layer2 ", "block.Hash", block.Hash, "block.Height", block.Number, "err", err)
+			}
+			return
+		}
+
+		err = r.db.UpdateL1GasOracleStatusAndOracleTxHash(r.ctx, block.Hash, types.GasOracleImporting, hash.String())
+		if err != nil {
+			log.Error("UpdateGasOracleStatusAndOracleTxHash failed", "block.Hash", block.Hash, "block.Height", block.Number, "err", err)
+			return
+		}
+	}
+}
+
+// Start the relayer process
+func (r *Layer1Relayer) Start() {
+	loop := func(ctx context.Context, f func()) {
+		ticker := time.NewTicker(2 * time.Second)
+		defer ticker.Stop()
+
+		for {
+			select {
+			case <-ctx.Done():
+				return
+			case <-ticker.C:
+				f()
+			}
+		}
+	}
+	go func() {
+		ctx, cancel := context.WithCancel(r.ctx)
+
+		go loop(ctx, r.ProcessSavedEvents)
+		go loop(ctx, r.ProcessGasPriceOracle)
+
+		go func(ctx context.Context) {
+			for {
+				select {
+				case <-ctx.Done():
+					return
+				case cfm := <-r.messageCh:
+					if !cfm.IsSuccessful {
+						log.Warn("transaction confirmed but failed in layer2", "confirmation", cfm)
+					} else {
+						// @todo handle db error
+						err := r.db.UpdateLayer1StatusAndLayer2Hash(r.ctx, cfm.ID, types.MsgConfirmed, cfm.TxHash.String())
+						if err != nil {
+							log.Warn("UpdateLayer1StatusAndLayer2Hash failed", "err", err)
+						}
+						log.Info("transaction confirmed in layer2", "confirmation", cfm)
+					}
+				case cfm := <-r.gasOracleCh:
+					if !cfm.IsSuccessful {
+						// @discuss: maybe make it pending again?
+						err := r.db.UpdateL1GasOracleStatusAndOracleTxHash(r.ctx, cfm.ID, types.GasOracleFailed, cfm.TxHash.String())
+						if err != nil {
+							log.Warn("UpdateL1GasOracleStatusAndOracleTxHash failed", "err", err)
+						}
+						log.Warn("transaction confirmed but failed in layer2", "confirmation", cfm)
+					} else {
+						// @todo handle db error
+						err := r.db.UpdateL1GasOracleStatusAndOracleTxHash(r.ctx, cfm.ID, types.GasOracleImported, cfm.TxHash.String())
+						if err != nil {
+							log.Warn("UpdateGasOracleStatusAndOracleTxHash failed", "err", err)
+						}
+						log.Info("transaction confirmed in layer2", "confirmation", cfm)
+					}
+				}
+			}
+		}(ctx)
+
+		<-r.stopCh
+		cancel()
+	}()
+}
+
+// Stop the relayer module, for a graceful shutdown.
+func (r *Layer1Relayer) Stop() {
+	close(r.stopCh)
+}

bridge/l1/relayer_test.go

@@ -1,4 +1,4 @@
-package relayer_test
+package l1
 
 import (
 	"context"
@@ -8,8 +8,6 @@ import (
 
 	"scroll-tech/database/migrate"
 
-	"scroll-tech/bridge/relayer"
-
 	"scroll-tech/database"
 )
 
@@ -21,7 +19,9 @@ func testCreateNewL1Relayer(t *testing.T) {
 	assert.NoError(t, migrate.ResetDB(db.GetDB().DB))
 	defer db.Close()
 
-	relayer, err := relayer.NewLayer1Relayer(context.Background(), db, cfg.L2Config.RelayerConfig)
+	relayer, err := NewLayer1Relayer(context.Background(), db, cfg.L2Config.RelayerConfig)
 	assert.NoError(t, err)
-	assert.NotNil(t, relayer)
+	defer relayer.Stop()
+
+	relayer.Start()
 }

bridge/l1/watcher.go

@@ -1,8 +1,9 @@
-package watcher
+package l1
 
 import (
 	"context"
 	"math/big"
+	"time"
 
 	geth "github.com/scroll-tech/go-ethereum"
 	"github.com/scroll-tech/go-ethereum/accounts/abi"
@@ -11,10 +12,9 @@ import (
 	"github.com/scroll-tech/go-ethereum/crypto"
 	"github.com/scroll-tech/go-ethereum/ethclient"
 	"github.com/scroll-tech/go-ethereum/log"
-	geth_metrics "github.com/scroll-tech/go-ethereum/metrics"
+	"github.com/scroll-tech/go-ethereum/metrics"
 	"github.com/scroll-tech/go-ethereum/rpc"
 
-	"scroll-tech/common/metrics"
 	"scroll-tech/common/types"
 
 	"scroll-tech/database"
@@ -24,21 +24,23 @@ import (
 )
 
 var (
-	bridgeL1MsgsSyncHeightGauge = geth_metrics.NewRegisteredGauge("bridge/l1/msgs/sync/height", metrics.ScrollRegistry)
-
-	bridgeL1MsgsSentEventsTotalCounter    = geth_metrics.NewRegisteredCounter("bridge/l1/msgs/sent/events/total", metrics.ScrollRegistry)
-	bridgeL1MsgsRelayedEventsTotalCounter = geth_metrics.NewRegisteredCounter("bridge/l1/msgs/relayed/events/total", metrics.ScrollRegistry)
-	bridgeL1MsgsRollupEventsTotalCounter  = geth_metrics.NewRegisteredCounter("bridge/l1/msgs/rollup/events/total", metrics.ScrollRegistry)
+	bridgeL1MsgSyncHeightGauge = metrics.NewRegisteredGauge("bridge/l1/msg/sync/height", nil)
 )
 
+type relayedMessage struct {
+	msgHash      common.Hash
+	txHash       common.Hash
+	isSuccessful bool
+}
+
 type rollupEvent struct {
 	batchHash common.Hash
 	txHash    common.Hash
 	status    types.RollupStatus
 }
 
-// L1WatcherClient will listen for smart contract events from Eth L1.
-type L1WatcherClient struct {
+// Watcher will listen for smart contract events from Eth L1.
+type Watcher struct {
 	ctx    context.Context
 	client *ethclient.Client
 	db     database.OrmFactory
@@ -59,10 +61,13 @@ type L1WatcherClient struct {
 	processedMsgHeight uint64
 	// The height of the block that the watcher has retrieved header rlp
 	processedBlockHeight uint64
+
+	stopCh chan bool
 }
 
-// NewL1WatcherClient returns a new instance of L1WatcherClient.
-func NewL1WatcherClient(ctx context.Context, client *ethclient.Client, startHeight uint64, confirmations rpc.BlockNumber, messengerAddress, messageQueueAddress, scrollChainAddress common.Address, db database.OrmFactory) *L1WatcherClient {
+// NewWatcher returns a new instance of Watcher. The instance will be not fully prepared,
+// and still needs to be finalized and ran by calling `watcher.Start`.
+func NewWatcher(ctx context.Context, client *ethclient.Client, startHeight uint64, confirmations rpc.BlockNumber, messengerAddress, messageQueueAddress, scrollChainAddress common.Address, db database.OrmFactory) *Watcher {
 	savedHeight, err := db.GetLayer1LatestWatchedHeight()
 	if err != nil {
 		log.Warn("Failed to fetch height from db", "err", err)
@@ -81,7 +86,9 @@ func NewL1WatcherClient(ctx context.Context, client *ethclient.Client, startHeig
 		savedL1BlockHeight = startHeight
 	}
 
-	return &L1WatcherClient{
+	stopCh := make(chan bool)
+
+	return &Watcher{
 		ctx:           ctx,
 		client:        client,
 		db:            db,
@@ -98,11 +105,75 @@ func NewL1WatcherClient(ctx context.Context, client *ethclient.Client, startHeig
 
 		processedMsgHeight:   uint64(savedHeight),
 		processedBlockHeight: savedL1BlockHeight,
+		stopCh:               stopCh,
 	}
 }
 
+// Start the Watcher module.
+func (w *Watcher) Start() {
+	go func() {
+		ctx, cancel := context.WithCancel(w.ctx)
+
+		go func(ctx context.Context) {
+			ticker := time.NewTicker(2 * time.Second)
+			defer ticker.Stop()
+
+			for {
+				select {
+				case <-ctx.Done():
+					return
+
+				case <-ticker.C:
+					number, err := utils.GetLatestConfirmedBlockNumber(w.ctx, w.client, w.confirmations)
+					if err != nil {
+						log.Error("failed to get block number", "err", err)
+						continue
+					}
+
+					if err := w.FetchBlockHeader(number); err != nil {
+						log.Error("Failed to fetch L1 block header", "lastest", number, "err", err)
+					}
+				}
+			}
+		}(ctx)
+
+		go func(ctx context.Context) {
+			ticker := time.NewTicker(2 * time.Second)
+			defer ticker.Stop()
+
+			for {
+				select {
+				case <-ctx.Done():
+					return
+
+				case <-ticker.C:
+					number, err := utils.GetLatestConfirmedBlockNumber(w.ctx, w.client, w.confirmations)
+					if err != nil {
+						log.Error("failed to get block number", "err", err)
+						continue
+					}
+
+					if err := w.FetchContractEvent(number); err != nil {
+						log.Error("Failed to fetch bridge contract", "err", err)
+					}
+				}
+			}
+		}(ctx)
+
+		<-w.stopCh
+		cancel()
+	}()
+}
+
+// Stop the Watcher module, for a graceful shutdown.
+func (w *Watcher) Stop() {
+	w.stopCh <- true
+}
+
+const contractEventsBlocksFetchLimit = int64(10)
+
 // FetchBlockHeader pull latest L1 blocks and save in DB
-func (w *L1WatcherClient) FetchBlockHeader(blockHeight uint64) error {
+func (w *Watcher) FetchBlockHeader(blockHeight uint64) error {
 	fromBlock := int64(w.processedBlockHeight) + 1
 	toBlock := int64(blockHeight)
 	if toBlock < fromBlock {
@@ -148,15 +219,10 @@ func (w *L1WatcherClient) FetchBlockHeader(blockHeight uint64) error {
 }
 
 // FetchContractEvent pull latest event logs from given contract address and save in DB
-func (w *L1WatcherClient) FetchContractEvent() error {
+func (w *Watcher) FetchContractEvent(blockHeight uint64) error {
 	defer func() {
 		log.Info("l1 watcher fetchContractEvent", "w.processedMsgHeight", w.processedMsgHeight)
 	}()
-	blockHeight, err := utils.GetLatestConfirmedBlockNumber(w.ctx, w.client, w.confirmations)
-	if err != nil {
-		log.Error("failed to get block number", "err", err)
-		return err
-	}
 
 	fromBlock := int64(w.processedMsgHeight) + 1
 	toBlock := int64(blockHeight)
@@ -193,7 +259,7 @@ func (w *L1WatcherClient) FetchContractEvent() error {
 		}
 		if len(logs) == 0 {
 			w.processedMsgHeight = uint64(to)
-			bridgeL1MsgsSyncHeightGauge.Update(to)
+			bridgeL1MsgSyncHeightGauge.Update(to)
 			continue
 		}
 		log.Info("Received new L1 events", "fromBlock", from, "toBlock", to, "cnt", len(logs))
@@ -203,13 +269,7 @@ func (w *L1WatcherClient) FetchContractEvent() error {
 			log.Error("Failed to parse emitted events log", "err", err)
 			return err
 		}
-		sentMessageCount := int64(len(sentMessageEvents))
-		relayedMessageCount := int64(len(relayedMessageEvents))
-		rollupEventCount := int64(len(rollupEvents))
-		bridgeL1MsgsSentEventsTotalCounter.Inc(sentMessageCount)
-		bridgeL1MsgsRelayedEventsTotalCounter.Inc(relayedMessageCount)
-		bridgeL1MsgsRollupEventsTotalCounter.Inc(rollupEventCount)
-		log.Info("L1 events types", "SentMessageCount", sentMessageCount, "RelayedMessageCount", relayedMessageCount, "RollupEventCount", rollupEventCount)
+		log.Info("L1 events types", "SentMessageCount", len(sentMessageEvents), "RelayedMessageCount", len(relayedMessageEvents), "RollupEventCount", len(rollupEvents))
 
 		// use rollup event to update rollup results db status
 		var batchHashes []string
@@ -263,13 +323,13 @@ func (w *L1WatcherClient) FetchContractEvent() error {
 		}
 
 		w.processedMsgHeight = uint64(to)
-		bridgeL1MsgsSyncHeightGauge.Update(to)
+		bridgeL1MsgSyncHeightGauge.Update(to)
 	}
 
 	return nil
 }
 
-func (w *L1WatcherClient) parseBridgeEventLogs(logs []geth_types.Log) ([]*types.L1Message, []relayedMessage, []rollupEvent, error) {
+func (w *Watcher) parseBridgeEventLogs(logs []geth_types.Log) ([]*types.L1Message, []relayedMessage, []rollupEvent, error) {
 	// Need use contract abi to parse event Log
 	// Can only be tested after we have our contracts set up
 

bridge/l1/watcher_test.go

@@ -1,4 +1,4 @@
-package watcher_test
+package l1
 
 import (
 	"context"
@@ -9,8 +9,6 @@ import (
 
 	"scroll-tech/database"
 	"scroll-tech/database/migrate"
-
-	"scroll-tech/bridge/watcher"
 )
 
 func testStartWatcher(t *testing.T) {
@@ -20,11 +18,12 @@ func testStartWatcher(t *testing.T) {
 	assert.NoError(t, migrate.ResetDB(db.GetDB().DB))
 	defer db.Close()
 
-	client, err := ethclient.Dial(base.L1gethImg.Endpoint())
+	client, err := ethclient.Dial(l1gethImg.Endpoint())
 	assert.NoError(t, err)
 
 	l1Cfg := cfg.L1Config
 
-	watcher := watcher.NewL1WatcherClient(context.Background(), client, l1Cfg.StartHeight, l1Cfg.Confirmations, l1Cfg.L1MessengerAddress, l1Cfg.L1MessageQueueAddress, l1Cfg.RelayerConfig.RollupContractAddress, db)
-	assert.NoError(t, watcher.FetchContractEvent())
+	watcher := NewWatcher(context.Background(), client, l1Cfg.StartHeight, l1Cfg.Confirmations, l1Cfg.L1MessengerAddress, l1Cfg.L1MessageQueueAddress, l1Cfg.RelayerConfig.RollupContractAddress, db)
+	watcher.Start()
+	defer watcher.Stop()
 }

bridge/l2/backend.go

@@ -0,0 +1,76 @@
+package l2
+
+import (
+	"context"
+
+	"github.com/scroll-tech/go-ethereum/ethclient"
+	"github.com/scroll-tech/go-ethereum/rpc"
+
+	"scroll-tech/database"
+
+	"scroll-tech/bridge/config"
+)
+
+// Backend manage the resources and services of L2 backend.
+// The backend should monitor events in layer 2 and relay transactions to layer 1
+type Backend struct {
+	cfg           *config.L2Config
+	watcher       *WatcherClient
+	relayer       *Layer2Relayer
+	batchProposer *BatchProposer
+	orm           database.OrmFactory
+}
+
+// New returns a new instance of Backend.
+func New(ctx context.Context, cfg *config.L2Config, orm database.OrmFactory) (*Backend, error) {
+	client, err := ethclient.Dial(cfg.Endpoint)
+	if err != nil {
+		return nil, err
+	}
+
+	// Note: initialize watcher before relayer to keep DB consistent.
+	// Otherwise, there will be a race condition between watcher.initializeGenesis and relayer.ProcessPendingBatches.
+	watcher := NewL2WatcherClient(ctx, client, cfg.Confirmations, cfg.L2MessengerAddress, cfg.L2MessageQueueAddress, orm)
+
+	relayer, err := NewLayer2Relayer(ctx, client, orm, cfg.RelayerConfig)
+	if err != nil {
+		return nil, err
+	}
+
+	batchProposer := NewBatchProposer(ctx, cfg.BatchProposerConfig, relayer, orm)
+
+	return &Backend{
+		cfg:           cfg,
+		watcher:       watcher,
+		relayer:       relayer,
+		batchProposer: batchProposer,
+		orm:           orm,
+	}, nil
+}
+
+// Start Backend module.
+func (l2 *Backend) Start() error {
+	l2.watcher.Start()
+	l2.relayer.Start()
+	l2.batchProposer.Start()
+	return nil
+}
+
+// Stop Backend module.
+func (l2 *Backend) Stop() {
+	l2.batchProposer.Stop()
+	l2.relayer.Stop()
+	l2.watcher.Stop()
+}
+
+// APIs collect API modules.
+func (l2 *Backend) APIs() []rpc.API {
+	return []rpc.API{
+		{
+			Namespace: "l2",
+			Version:   "1.0",
+			Service:   WatcherAPI(l2.watcher),
+			Public:    true,
+		},
+	}
+}

bridge/l2/batch_proposer.go

@@ -1,33 +1,22 @@
-package watcher
+package l2
 
 import (
 	"context"
 	"fmt"
 	"math"
+	"reflect"
 	"sync"
 	"time"
 
+	geth_types "github.com/scroll-tech/go-ethereum/core/types"
 	"github.com/scroll-tech/go-ethereum/log"
-	geth_metrics "github.com/scroll-tech/go-ethereum/metrics"
 
-	"scroll-tech/common/metrics"
 	"scroll-tech/common/types"
 
 	"scroll-tech/database"
 
 	bridgeabi "scroll-tech/bridge/abi"
 	"scroll-tech/bridge/config"
-	"scroll-tech/bridge/relayer"
-)
-
-var (
-	bridgeL2BatchesGasOverThresholdTotalCounter = geth_metrics.NewRegisteredCounter("bridge/l2/batches/gas/over/threshold/total", metrics.ScrollRegistry)
-	bridgeL2BatchesTxsOverThresholdTotalCounter = geth_metrics.NewRegisteredCounter("bridge/l2/batches/txs/over/threshold/total", metrics.ScrollRegistry)
-	bridgeL2BatchesBlocksCreatedTotalCounter    = geth_metrics.NewRegisteredCounter("bridge/l2/batches/blocks/created/total", metrics.ScrollRegistry)
-	bridgeL2BatchesCommitsSentTotalCounter      = geth_metrics.NewRegisteredCounter("bridge/l2/batches/commits/sent/total", metrics.ScrollRegistry)
-
-	bridgeL2BatchesTxsCreatedPerBatchGauge = geth_metrics.NewRegisteredGauge("bridge/l2/batches/txs/created/per/batch", metrics.ScrollRegistry)
-	bridgeL2BatchesGasCreatedPerBatchGauge = geth_metrics.NewRegisteredGauge("bridge/l2/batches/gas/created/per/batch", metrics.ScrollRegistry)
 )
 
 // AddBatchInfoToDB inserts the batch information to the BlockBatch table and updates the batch_hash
@@ -75,20 +64,20 @@ type BatchProposer struct {
 	batchGasThreshold        uint64
 	batchTxNumThreshold      uint64
 	batchBlocksLimit         uint64
-	batchCommitTimeSec       uint64
 	commitCalldataSizeLimit  uint64
 	batchDataBufferSizeLimit uint64
-	commitCalldataMinSize    uint64
 
 	proofGenerationFreq uint64
 	batchDataBuffer     []*types.BatchData
-	relayer             *relayer.Layer2Relayer
+	relayer             *Layer2Relayer
 
 	piCfg *types.PublicInputHashConfig
+
+	stopCh chan struct{}
 }
 
 // NewBatchProposer will return a new instance of BatchProposer.
-func NewBatchProposer(ctx context.Context, cfg *config.BatchProposerConfig, relayer *relayer.Layer2Relayer, orm database.OrmFactory) *BatchProposer {
+func NewBatchProposer(ctx context.Context, cfg *config.BatchProposerConfig, relayer *Layer2Relayer, orm database.OrmFactory) *BatchProposer {
 	p := &BatchProposer{
 		mutex:                    sync.Mutex{},
 		ctx:                      ctx,
@@ -97,24 +86,58 @@ func NewBatchProposer(ctx context.Context, cfg *config.BatchProposerConfig, rela
 		batchGasThreshold:        cfg.BatchGasThreshold,
 		batchTxNumThreshold:      cfg.BatchTxNumThreshold,
 		batchBlocksLimit:         cfg.BatchBlocksLimit,
-		batchCommitTimeSec:       cfg.BatchCommitTimeSec,
 		commitCalldataSizeLimit:  cfg.CommitTxCalldataSizeLimit,
-		commitCalldataMinSize:    cfg.CommitTxCalldataMinSize,
 		batchDataBufferSizeLimit: 100*cfg.CommitTxCalldataSizeLimit + 1*1024*1024, // @todo: determine the value.
 		proofGenerationFreq:      cfg.ProofGenerationFreq,
 		piCfg:                    cfg.PublicInputConfig,
 		relayer:                  relayer,
+		stopCh:                   make(chan struct{}),
 	}
 
 	// for graceful restart.
 	p.recoverBatchDataBuffer()
 
 	// try to commit the leftover pending batches
-	p.TryCommitBatches()
+	p.tryCommitBatches()
 
 	return p
 }
 
+// Start the Listening process
+func (p *BatchProposer) Start() {
+	go func() {
+		if reflect.ValueOf(p.orm).IsNil() {
+			panic("must run BatchProposer with DB")
+		}
+
+		ctx, cancel := context.WithCancel(p.ctx)
+
+		// batch proposer loop
+		go func(ctx context.Context) {
+			ticker := time.NewTicker(2 * time.Second)
+			defer ticker.Stop()
+
+			for {
+				select {
+				case <-ctx.Done():
+					return
+
+				case <-ticker.C:
+					p.tryProposeBatch()
+				}
+			}
+		}(ctx)
+
+		<-p.stopCh
+		cancel()
+	}()
+}
+
+// Stop the Watcher module, for a graceful shutdown.
+func (p *BatchProposer) Stop() {
+	p.stopCh <- struct{}{}
+}
+
 func (p *BatchProposer) recoverBatchDataBuffer() {
 	// batches are sorted by batch index in increasing order
 	batchHashes, err := p.orm.GetPendingBatches(math.MaxInt32)
@@ -134,7 +157,7 @@ func (p *BatchProposer) recoverBatchDataBuffer() {
 		}
 		blockBatches, err := p.orm.GetBlockBatches(map[string]interface{}{"hash": batchHash})
 		if err != nil || len(blockBatches) == 0 {
-			return nil, err
+			return nil, err //
 		}
 		blockBatchCache[batchHash] = blockBatches[0]
 		return blockBatches[0], nil
@@ -186,12 +209,11 @@ func (p *BatchProposer) recoverBatchDataBuffer() {
 	}
 }
 
-// TryProposeBatch will try to propose a batch.
-func (p *BatchProposer) TryProposeBatch() {
+func (p *BatchProposer) tryProposeBatch() {
 	p.mutex.Lock()
 	defer p.mutex.Unlock()
 
-	for p.getBatchDataBufferSize() < p.batchDataBufferSizeLimit {
+	if p.getBatchDataBufferSize() < p.batchDataBufferSizeLimit {
 		blocks, err := p.orm.GetUnbatchedL2Blocks(
 			map[string]interface{}{},
 			fmt.Sprintf("order by number ASC LIMIT %d", p.batchBlocksLimit),
@@ -201,30 +223,13 @@ func (p *BatchProposer) TryProposeBatch() {
 			return
 		}
 
-		batchCreated := p.proposeBatch(blocks)
-
-		// while size of batchDataBuffer < commitCalldataMinSize,
-		// proposer keeps fetching and porposing batches.
-		if p.getBatchDataBufferSize() >= p.commitCalldataMinSize {
-			return
-		}
-
-		if !batchCreated {
-			// wait for watcher to insert l2 traces.
-			time.Sleep(time.Second)
-		}
+		p.proposeBatch(blocks)
 	}
+
+	p.tryCommitBatches()
 }
 
-// TryCommitBatches will try to commit the pending batches.
-func (p *BatchProposer) TryCommitBatches() {
-	p.mutex.Lock()
-	defer p.mutex.Unlock()
-
-	if len(p.batchDataBuffer) == 0 {
-		return
-	}
-
+func (p *BatchProposer) tryCommitBatches() {
 	// estimate the calldata length to determine whether to commit the pending batches
 	index := 0
 	commit := false
@@ -244,7 +249,8 @@ func (p *BatchProposer) TryCommitBatches() {
 			break
 		}
 	}
-	if !commit && p.batchDataBuffer[0].Timestamp()+p.batchCommitTimeSec > uint64(time.Now().Unix()) {
+	log.Info("tryCommitBatches", "calldataByteLen", calldataByteLen, "p.commitCalldataSizeLimit", p.commitCalldataSizeLimit)
+	if !commit {
 		return
 	}
 
@@ -257,112 +263,55 @@ func (p *BatchProposer) TryCommitBatches() {
 		log.Error("SendCommitTx failed", "error", err)
 	} else {
 		// pop the processed batches from the buffer
-		bridgeL2BatchesCommitsSentTotalCounter.Inc(1)
 		p.batchDataBuffer = p.batchDataBuffer[index:]
 	}
 }
 
-func (p *BatchProposer) proposeBatch(blocks []*types.BlockInfo) bool {
+func (p *BatchProposer) proposeBatch(blocks []*types.BlockInfo) {
 	if len(blocks) == 0 {
-		return false
-	}
-
-	approximatePayloadSize := func(hash string) (uint64, error) {
-		traces, err := p.orm.GetL2WrappedBlocks(map[string]interface{}{"hash": hash})
-		if err != nil {
-			return 0, err
-		}
-		if len(traces) != 1 {
-			return 0, fmt.Errorf("unexpected traces length, expected = 1, actual = %d", len(traces))
-		}
-		size := 0
-		for _, tx := range traces[0].Transactions {
-			size += len(tx.Data)
-		}
-		return uint64(size), nil
-	}
-
-	firstSize, err := approximatePayloadSize(blocks[0].Hash)
-	if err != nil {
-		log.Error("failed to create batch", "number", blocks[0].Number, "err", err)
-		return false
-	}
-
-	if firstSize > p.commitCalldataSizeLimit {
-		log.Warn("oversized payload even for only 1 block", "height", blocks[0].Number, "size", firstSize)
-		// note: we should probably fail here once we can ensure this will not happen
-		if err := p.createBatchForBlocks(blocks[:1]); err != nil {
-			log.Error("failed to create batch", "number", blocks[0].Number, "err", err)
-			return false
-		}
-		bridgeL2BatchesTxsCreatedPerBatchGauge.Update(int64(blocks[0].TxNum))
-		bridgeL2BatchesGasCreatedPerBatchGauge.Update(int64(blocks[0].GasUsed))
-		bridgeL2BatchesBlocksCreatedTotalCounter.Inc(1)
-		return true
+		return
 	}
 
 	if blocks[0].GasUsed > p.batchGasThreshold {
-		bridgeL2BatchesGasOverThresholdTotalCounter.Inc(1)
 		log.Warn("gas overflow even for only 1 block", "height", blocks[0].Number, "gas", blocks[0].GasUsed)
 		if err := p.createBatchForBlocks(blocks[:1]); err != nil {
 			log.Error("failed to create batch", "number", blocks[0].Number, "err", err)
-		} else {
-			bridgeL2BatchesTxsCreatedPerBatchGauge.Update(int64(blocks[0].TxNum))
-			bridgeL2BatchesGasCreatedPerBatchGauge.Update(int64(blocks[0].GasUsed))
-			bridgeL2BatchesBlocksCreatedTotalCounter.Inc(1)
 		}
-		return true
+		return
 	}
 
 	if blocks[0].TxNum > p.batchTxNumThreshold {
-		bridgeL2BatchesTxsOverThresholdTotalCounter.Inc(1)
 		log.Warn("too many txs even for only 1 block", "height", blocks[0].Number, "tx_num", blocks[0].TxNum)
 		if err := p.createBatchForBlocks(blocks[:1]); err != nil {
 			log.Error("failed to create batch", "number", blocks[0].Number, "err", err)
-		} else {
-			bridgeL2BatchesTxsCreatedPerBatchGauge.Update(int64(blocks[0].TxNum))
-			bridgeL2BatchesGasCreatedPerBatchGauge.Update(int64(blocks[0].GasUsed))
-			bridgeL2BatchesBlocksCreatedTotalCounter.Inc(1)
 		}
-		return true
+		return
 	}
 
-	var gasUsed, txNum, payloadSize uint64
-	reachThreshold := false
+	var (
+		length         = len(blocks)
+		gasUsed, txNum uint64
+	)
 	// add blocks into batch until reach batchGasThreshold
 	for i, block := range blocks {
-		size, err := approximatePayloadSize(block.Hash)
-		if err != nil {
-			log.Error("failed to create batch", "number", block.Number, "err", err)
-			return false
-		}
-
-		if (gasUsed+block.GasUsed > p.batchGasThreshold) || (txNum+block.TxNum > p.batchTxNumThreshold) || (payloadSize+size > p.commitCalldataSizeLimit) {
+		if (gasUsed+block.GasUsed > p.batchGasThreshold) || (txNum+block.TxNum > p.batchTxNumThreshold) {
 			blocks = blocks[:i]
-			reachThreshold = true
 			break
 		}
 		gasUsed += block.GasUsed
 		txNum += block.TxNum
-		payloadSize += size
 	}
 
 	// if too few gas gathered, but we don't want to halt, we then check the first block in the batch:
 	// if it's not old enough we will skip proposing the batch,
 	// otherwise we will still propose a batch
-	if !reachThreshold && blocks[0].BlockTimestamp+p.batchTimeSec > uint64(time.Now().Unix()) {
-		return false
+	if length == len(blocks) && blocks[0].BlockTimestamp+p.batchTimeSec > uint64(time.Now().Unix()) {
+		return
 	}
 
 	if err := p.createBatchForBlocks(blocks); err != nil {
 		log.Error("failed to create batch", "from", blocks[0].Number, "to", blocks[len(blocks)-1].Number, "err", err)
-	} else {
-		bridgeL2BatchesTxsCreatedPerBatchGauge.Update(int64(txNum))
-		bridgeL2BatchesGasCreatedPerBatchGauge.Update(int64(gasUsed))
-		bridgeL2BatchesBlocksCreatedTotalCounter.Inc(int64(len(blocks)))
 	}
-
-	return true
 }
 
 func (p *BatchProposer) createBatchForBlocks(blocks []*types.BlockInfo) error {
@@ -388,16 +337,16 @@ func (p *BatchProposer) createBatchForBlocks(blocks []*types.BlockInfo) error {
 }
 
 func (p *BatchProposer) generateBatchData(parentBatch *types.BlockBatch, blocks []*types.BlockInfo) (*types.BatchData, error) {
-	var wrappedBlocks []*types.WrappedBlock
+	var traces []*geth_types.BlockTrace
 	for _, block := range blocks {
-		trs, err := p.orm.GetL2WrappedBlocks(map[string]interface{}{"hash": block.Hash})
+		trs, err := p.orm.GetL2BlockTraces(map[string]interface{}{"hash": block.Hash})
 		if err != nil || len(trs) != 1 {
 			log.Error("Failed to GetBlockTraces", "hash", block.Hash, "err", err)
 			return nil, err
 		}
-		wrappedBlocks = append(wrappedBlocks, trs[0])
+		traces = append(traces, trs[0])
 	}
-	return types.NewBatchData(parentBatch, wrappedBlocks, p.piCfg), nil
+	return types.NewBatchData(parentBatch, traces, p.piCfg), nil
 }
 
 func (p *BatchProposer) getBatchDataBufferSize() (size uint64) {

bridge/l2/batch_proposer_test.go

@@ -1,4 +1,4 @@
-package watcher_test
+package l2
 
 import (
 	"context"
@@ -6,15 +6,13 @@ import (
 	"math"
 	"testing"
 
-	"github.com/scroll-tech/go-ethereum/common"
+	geth_types "github.com/scroll-tech/go-ethereum/core/types"
 	"github.com/stretchr/testify/assert"
 
 	"scroll-tech/database"
 	"scroll-tech/database/migrate"
 
 	"scroll-tech/bridge/config"
-	"scroll-tech/bridge/relayer"
-	"scroll-tech/bridge/watcher"
 
 	"scroll-tech/common/types"
 )
@@ -24,49 +22,34 @@ func testBatchProposerProposeBatch(t *testing.T) {
 	db, err := database.NewOrmFactory(cfg.DBConfig)
 	assert.NoError(t, err)
 	assert.NoError(t, migrate.ResetDB(db.GetDB().DB))
-	ctx := context.Background()
-	subCtx, cancel := context.WithCancel(ctx)
-
-	defer func() {
-		cancel()
-		db.Close()
-	}()
+	defer db.Close()
 
 	// Insert traces into db.
-	assert.NoError(t, db.InsertWrappedBlocks([]*types.WrappedBlock{wrappedBlock1}))
+	assert.NoError(t, db.InsertL2BlockTraces([]*geth_types.BlockTrace{blockTrace1}))
 
 	l2cfg := cfg.L2Config
-	wc := watcher.NewL2WatcherClient(context.Background(), l2Cli, l2cfg.Confirmations, l2cfg.L2MessengerAddress, l2cfg.L2MessageQueueAddress, l2cfg.WithdrawTrieRootSlot, db)
-	loopToFetchEvent(subCtx, wc)
+	wc := NewL2WatcherClient(context.Background(), l2Cli, l2cfg.Confirmations, l2cfg.L2MessengerAddress, l2cfg.L2MessageQueueAddress, db)
+	wc.Start()
+	defer wc.Stop()
 
-	batch, err := db.GetLatestBatch()
+	relayer, err := NewLayer2Relayer(context.Background(), l2Cli, db, cfg.L2Config.RelayerConfig)
 	assert.NoError(t, err)
 
-	// Create a new batch.
-	batchData := types.NewBatchData(&types.BlockBatch{
-		Index:     0,
-		Hash:      batch.Hash,
-		StateRoot: batch.StateRoot,
-	}, []*types.WrappedBlock{wrappedBlock1}, nil)
-
-	relayer, err := relayer.NewLayer2Relayer(context.Background(), l2Cli, db, cfg.L2Config.RelayerConfig)
-	assert.NoError(t, err)
-
-	proposer := watcher.NewBatchProposer(context.Background(), &config.BatchProposerConfig{
+	proposer := NewBatchProposer(context.Background(), &config.BatchProposerConfig{
 		ProofGenerationFreq: 1,
 		BatchGasThreshold:   3000000,
 		BatchTxNumThreshold: 135,
 		BatchTimeSec:        1,
 		BatchBlocksLimit:    100,
 	}, relayer, db)
-	proposer.TryProposeBatch()
+	proposer.tryProposeBatch()
 
 	infos, err := db.GetUnbatchedL2Blocks(map[string]interface{}{},
 		fmt.Sprintf("order by number ASC LIMIT %d", 100))
 	assert.NoError(t, err)
 	assert.Equal(t, 0, len(infos))
 
-	exist, err := db.BatchRecordExist(batchData.Hash().Hex())
+	exist, err := db.BatchRecordExist(batchData1.Hash().Hex())
 	assert.NoError(t, err)
 	assert.Equal(t, true, exist)
 }
@@ -78,26 +61,13 @@ func testBatchProposerGracefulRestart(t *testing.T) {
 	assert.NoError(t, migrate.ResetDB(db.GetDB().DB))
 	defer db.Close()
 
-	relayer, err := relayer.NewLayer2Relayer(context.Background(), l2Cli, db, cfg.L2Config.RelayerConfig)
+	relayer, err := NewLayer2Relayer(context.Background(), l2Cli, db, cfg.L2Config.RelayerConfig)
 	assert.NoError(t, err)
 
 	// Insert traces into db.
-	assert.NoError(t, db.InsertWrappedBlocks([]*types.WrappedBlock{wrappedBlock2}))
+	assert.NoError(t, db.InsertL2BlockTraces([]*geth_types.BlockTrace{blockTrace2}))
 
 	// Insert block batch into db.
-	batchData1 := types.NewBatchData(&types.BlockBatch{
-		Index:     0,
-		Hash:      common.Hash{}.String(),
-		StateRoot: common.Hash{}.String(),
-	}, []*types.WrappedBlock{wrappedBlock1}, nil)
-
-	parentBatch2 := &types.BlockBatch{
-		Index:     batchData1.Batch.BatchIndex,
-		Hash:      batchData1.Hash().Hex(),
-		StateRoot: batchData1.Batch.NewStateRoot.String(),
-	}
-	batchData2 := types.NewBatchData(parentBatch2, []*types.WrappedBlock{wrappedBlock2}, nil)
-
 	dbTx, err := db.Beginx()
 	assert.NoError(t, err)
 	assert.NoError(t, db.NewBatchInDBTx(dbTx, batchData1))
@@ -115,7 +85,7 @@ func testBatchProposerGracefulRestart(t *testing.T) {
 	assert.Equal(t, 1, len(batchHashes))
 	assert.Equal(t, batchData2.Hash().Hex(), batchHashes[0])
 	// test p.recoverBatchDataBuffer().
-	_ = watcher.NewBatchProposer(context.Background(), &config.BatchProposerConfig{
+	_ = NewBatchProposer(context.Background(), &config.BatchProposerConfig{
 		ProofGenerationFreq: 1,
 		BatchGasThreshold:   3000000,
 		BatchTxNumThreshold: 135,

bridge/l2/check_trace.go

@@ -0,0 +1,99 @@
+package l2
+
+import (
+	"fmt"
+
+	"golang.org/x/sync/errgroup"
+
+	"github.com/scroll-tech/go-ethereum/core/types"
+	"github.com/scroll-tech/go-ethereum/core/vm"
+	"github.com/scroll-tech/go-ethereum/log"
+)
+
+//nolint:unused
+func blockTraceIsValid(trace *types.BlockTrace) bool {
+	if trace == nil {
+		log.Warn("block trace is empty")
+		return false
+	}
+	flag := true
+	for _, tx := range trace.ExecutionResults {
+		flag = structLogResIsValid(tx.StructLogs) && flag
+	}
+	return flag
+}
+
+//nolint:unused
+func structLogResIsValid(txLogs []*types.StructLogRes) bool {
+	res := true
+	for i := 0; i < len(txLogs); i++ {
+		txLog := txLogs[i]
+		flag := true
+		switch vm.StringToOp(txLog.Op) {
+		case vm.CALL, vm.CALLCODE:
+			flag = codeIsValid(txLog, 2) && flag
+			flag = stateIsValid(txLog, 2) && flag
+		case vm.DELEGATECALL, vm.STATICCALL:
+			flag = codeIsValid(txLog, 2) && flag
+		case vm.CREATE, vm.CREATE2:
+			flag = stateIsValid(txLog, 1) && flag
+		case vm.SLOAD, vm.SSTORE, vm.SELFBALANCE:
+			flag = stateIsValid(txLog, 1) && flag
+		case vm.SELFDESTRUCT:
+			flag = stateIsValid(txLog, 2) && flag
+		case vm.EXTCODEHASH, vm.BALANCE:
+			flag = stateIsValid(txLog, 1) && flag
+		}
+		res = res && flag
+	}
+
+	return res
+}
+
+//nolint:unused
+func codeIsValid(txLog *types.StructLogRes, n int) bool {
+	extraData := txLog.ExtraData
+	if extraData == nil {
+		log.Warn("extraData is empty", "pc", txLog.Pc, "opcode", txLog.Op)
+		return false
+	} else if len(extraData.CodeList) < n {
+		log.Warn("code list is too short", "opcode", txLog.Op, "expect length", n, "actual length", len(extraData.CodeList))
+		return false
+	}
+	return true
+}
+
+//nolint:unused
+func stateIsValid(txLog *types.StructLogRes, n int) bool {
+	extraData := txLog.ExtraData
+	if extraData == nil {
+		log.Warn("extraData is empty", "pc", txLog.Pc, "opcode", txLog.Op)
+		return false
+	} else if len(extraData.StateList) < n {
+		log.Warn("stateList list is too short", "opcode", txLog.Op, "expect length", n, "actual length", len(extraData.StateList))
+		return false
+	}
+	return true
+}
+
+// TraceHasUnsupportedOpcodes check if exist unsupported opcodes
+func TraceHasUnsupportedOpcodes(opcodes map[string]struct{}, trace *types.BlockTrace) bool {
+	if trace == nil {
+		return false
+	}
+	eg := errgroup.Group{}
+	for _, res := range trace.ExecutionResults {
+		res := res
+		eg.Go(func() error {
+			for _, lg := range res.StructLogs {
+				if _, ok := opcodes[lg.Op]; ok {
+					return fmt.Errorf("unsupported opcde: %s", lg.Op)
+				}
+			}
+			return nil
+		})
+	}
+
+	err := eg.Wait()
+	return err != nil
+}

bridge/l2/l2_test.go

@@ -0,0 +1,135 @@
+package l2
+
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+	"testing"
+
+	geth_types "github.com/scroll-tech/go-ethereum/core/types"
+	"github.com/scroll-tech/go-ethereum/ethclient"
+	"github.com/stretchr/testify/assert"
+
+	"scroll-tech/common/docker"
+	"scroll-tech/common/types"
+
+	"scroll-tech/bridge/config"
+)
+
+var (
+	// config
+	cfg *config.Config
+
+	// docker consider handler.
+	l1gethImg docker.ImgInstance
+	l2gethImg docker.ImgInstance
+	dbImg     docker.ImgInstance
+
+	// l2geth client
+	l2Cli *ethclient.Client
+
+	// block trace
+	blockTrace1 *geth_types.BlockTrace
+	blockTrace2 *geth_types.BlockTrace
+
+	// batch data
+	batchData1 *types.BatchData
+	batchData2 *types.BatchData
+)
+
+func setupEnv(t *testing.T) (err error) {
+	// Load config.
+	cfg, err = config.NewConfig("../config.json")
+	assert.NoError(t, err)
+
+	// Create l1geth container.
+	l1gethImg = docker.NewTestL1Docker(t)
+	cfg.L2Config.RelayerConfig.SenderConfig.Endpoint = l1gethImg.Endpoint()
+	cfg.L1Config.Endpoint = l1gethImg.Endpoint()
+
+	// Create l2geth container.
+	l2gethImg = docker.NewTestL2Docker(t)
+	cfg.L1Config.RelayerConfig.SenderConfig.Endpoint = l2gethImg.Endpoint()
+	cfg.L2Config.Endpoint = l2gethImg.Endpoint()
+
+	// Create db container.
+	dbImg = docker.NewTestDBDocker(t, cfg.DBConfig.DriverName)
+	cfg.DBConfig.DSN = dbImg.Endpoint()
+
+	// Create l2geth client.
+	l2Cli, err = ethclient.Dial(cfg.L2Config.Endpoint)
+	assert.NoError(t, err)
+
+	templateBlockTrace1, err := os.ReadFile("../../common/testdata/blockTrace_02.json")
+	if err != nil {
+		return err
+	}
+	// unmarshal blockTrace
+	blockTrace1 = &geth_types.BlockTrace{}
+	if err = json.Unmarshal(templateBlockTrace1, blockTrace1); err != nil {
+		return err
+	}
+
+	parentBatch1 := &types.BlockBatch{
+		Index: 1,
+		Hash:  "0x0000000000000000000000000000000000000000",
+	}
+	batchData1 = types.NewBatchData(parentBatch1, []*geth_types.BlockTrace{blockTrace1}, nil)
+
+	templateBlockTrace2, err := os.ReadFile("../../common/testdata/blockTrace_03.json")
+	if err != nil {
+		return err
+	}
+	// unmarshal blockTrace
+	blockTrace2 = &geth_types.BlockTrace{}
+	if err = json.Unmarshal(templateBlockTrace2, blockTrace2); err != nil {
+		return err
+	}
+	parentBatch2 := &types.BlockBatch{
+		Index: batchData1.Batch.BatchIndex,
+		Hash:  batchData1.Hash().Hex(),
+	}
+	batchData2 = types.NewBatchData(parentBatch2, []*geth_types.BlockTrace{blockTrace2}, nil)
+
+	fmt.Printf("batchhash1 = %x\n", batchData1.Hash())
+	fmt.Printf("batchhash2 = %x\n", batchData2.Hash())
+
+	return err
+}
+
+func free(t *testing.T) {
+	if dbImg != nil {
+		assert.NoError(t, dbImg.Stop())
+	}
+	if l1gethImg != nil {
+		assert.NoError(t, l1gethImg.Stop())
+	}
+	if l2gethImg != nil {
+		assert.NoError(t, l2gethImg.Stop())
+	}
+}
+
+func TestFunction(t *testing.T) {
+	if err := setupEnv(t); err != nil {
+		t.Fatal(err)
+	}
+
+	// Run l2 watcher test cases.
+	t.Run("TestCreateNewWatcherAndStop", testCreateNewWatcherAndStop)
+	t.Run("TestMonitorBridgeContract", testMonitorBridgeContract)
+	t.Run("TestFetchMultipleSentMessageInOneBlock", testFetchMultipleSentMessageInOneBlock)
+
+	// Run l2 relayer test cases.
+	t.Run("TestCreateNewRelayer", testCreateNewRelayer)
+	t.Run("TestL2RelayerProcessSaveEvents", testL2RelayerProcessSaveEvents)
+	t.Run("TestL2RelayerProcessCommittedBatches", testL2RelayerProcessCommittedBatches)
+	t.Run("TestL2RelayerSkipBatches", testL2RelayerSkipBatches)
+
+	// Run batch proposer test cases.
+	t.Run("TestBatchProposerProposeBatch", testBatchProposerProposeBatch)
+	t.Run("TestBatchProposerGracefulRestart", testBatchProposerGracefulRestart)
+
+	t.Cleanup(func() {
+		free(t)
+	})
+}

bridge/l2/relayer.go

@@ -1,4 +1,4 @@
-package relayer
+package l2
 
 import (
 	"context"
@@ -7,17 +7,18 @@ import (
 	"math/big"
 	"runtime"
 	"sync"
+	"time"
+
+	// not sure if this will make problems when relay with l1geth
 
 	"github.com/scroll-tech/go-ethereum/accounts/abi"
 	"github.com/scroll-tech/go-ethereum/common"
 	"github.com/scroll-tech/go-ethereum/crypto"
 	"github.com/scroll-tech/go-ethereum/ethclient"
 	"github.com/scroll-tech/go-ethereum/log"
-	geth_metrics "github.com/scroll-tech/go-ethereum/metrics"
 	"golang.org/x/sync/errgroup"
 	"modernc.org/mathutil"
 
-	"scroll-tech/common/metrics"
 	"scroll-tech/common/types"
 
 	"scroll-tech/database"
@@ -28,16 +29,6 @@ import (
 	"scroll-tech/bridge/utils"
 )
 
-var (
-	bridgeL2MsgsRelayedTotalCounter               = geth_metrics.NewRegisteredCounter("bridge/l2/msgs/relayed/total", metrics.ScrollRegistry)
-	bridgeL2BatchesFinalizedTotalCounter          = geth_metrics.NewRegisteredCounter("bridge/l2/batches/finalized/total", metrics.ScrollRegistry)
-	bridgeL2BatchesCommittedTotalCounter          = geth_metrics.NewRegisteredCounter("bridge/l2/batches/committed/total", metrics.ScrollRegistry)
-	bridgeL2MsgsRelayedConfirmedTotalCounter      = geth_metrics.NewRegisteredCounter("bridge/l2/msgs/relayed/confirmed/total", metrics.ScrollRegistry)
-	bridgeL2BatchesFinalizedConfirmedTotalCounter = geth_metrics.NewRegisteredCounter("bridge/l2/batches/finalized/confirmed/total", metrics.ScrollRegistry)
-	bridgeL2BatchesCommittedConfirmedTotalCounter = geth_metrics.NewRegisteredCounter("bridge/l2/batches/committed/confirmed/total", metrics.ScrollRegistry)
-	bridgeL2BatchesSkippedTotalCounter            = geth_metrics.NewRegisteredCounter("bridge/l2/batches/skipped/total", metrics.ScrollRegistry)
-)
-
 // Layer2Relayer is responsible for
 //  1. Committing and finalizing L2 blocks on L1
 //  2. Relaying messages from L2 to L1
@@ -53,20 +44,17 @@ type Layer2Relayer struct {
 	cfg *config.RelayerConfig
 
 	messageSender  *sender.Sender
+	messageCh      <-chan *sender.Confirmation
 	l1MessengerABI *abi.ABI
 
 	rollupSender *sender.Sender
+	rollupCh     <-chan *sender.Confirmation
 	l1RollupABI  *abi.ABI
 
 	gasOracleSender *sender.Sender
+	gasOracleCh     <-chan *sender.Confirmation
 	l2GasOracleABI  *abi.ABI
 
-	minGasLimitForMessageRelay uint64
-
-	lastGasPrice uint64
-	minGasPrice  uint64
-	gasPriceDiff uint64
-
 	// A list of processing message.
 	// key(string): confirmation ID, value(string): layer2 hash.
 	processingMessage sync.Map
@@ -78,6 +66,8 @@ type Layer2Relayer struct {
 	// A list of processing batch finalization.
 	// key(string): confirmation ID, value(string): batch hash.
 	processingFinalization sync.Map
+
+	stopCh chan struct{}
 }
 
 // NewLayer2Relayer will return a new instance of Layer2RelayerClient
@@ -101,48 +91,30 @@ func NewLayer2Relayer(ctx context.Context, l2Client *ethclient.Client, db databa
 		return nil, err
 	}
 
-	var minGasPrice uint64
-	var gasPriceDiff uint64
-	if cfg.GasOracleConfig != nil {
-		minGasPrice = cfg.GasOracleConfig.MinGasPrice
-		gasPriceDiff = cfg.GasOracleConfig.GasPriceDiff
-	} else {
-		minGasPrice = 0
-		gasPriceDiff = defaultGasPriceDiff
-	}
-
-	minGasLimitForMessageRelay := uint64(defaultL2MessageRelayMinGasLimit)
-	if cfg.MessageRelayMinGasLimit != 0 {
-		minGasLimitForMessageRelay = cfg.MessageRelayMinGasLimit
-	}
-
-	layer2Relayer := &Layer2Relayer{
+	return &Layer2Relayer{
 		ctx: ctx,
 		db:  db,
 
 		l2Client: l2Client,
 
 		messageSender:  messageSender,
+		messageCh:      messageSender.ConfirmChan(),
 		l1MessengerABI: bridge_abi.L1ScrollMessengerABI,
 
 		rollupSender: rollupSender,
+		rollupCh:     rollupSender.ConfirmChan(),
 		l1RollupABI:  bridge_abi.ScrollChainABI,
 
 		gasOracleSender: gasOracleSender,
+		gasOracleCh:     gasOracleSender.ConfirmChan(),
 		l2GasOracleABI:  bridge_abi.L2GasPriceOracleABI,
 
-		minGasLimitForMessageRelay: minGasLimitForMessageRelay,
-
-		minGasPrice:  minGasPrice,
-		gasPriceDiff: gasPriceDiff,
-
 		cfg:                         cfg,
 		processingMessage:           sync.Map{},
 		processingBatchesCommitment: sync.Map{},
 		processingFinalization:      sync.Map{},
-	}
-	go layer2Relayer.handleConfirmLoop(ctx)
-	return layer2Relayer, nil
+		stopCh:                      make(chan struct{}),
+	}, nil
 }
 
 const processMsgLimit = 100
@@ -181,7 +153,7 @@ func (r *Layer2Relayer) ProcessSavedEvents() {
 			})
 		}
 		if err := g.Wait(); err != nil {
-			if !errors.Is(err, sender.ErrNoAvailableAccount) && !errors.Is(err, sender.ErrFullPending) {
+			if !errors.Is(err, sender.ErrNoAvailableAccount) {
 				log.Error("failed to process l2 saved event", "err", err)
 			}
 			return
@@ -226,20 +198,19 @@ func (r *Layer2Relayer) processSavedEvent(msg *types.L2Message) error {
 		return err
 	}
 
-	hash, err := r.messageSender.SendTransaction(msg.MsgHash, &r.cfg.MessengerContractAddress, big.NewInt(0), data, r.minGasLimitForMessageRelay)
+	hash, err := r.messageSender.SendTransaction(msg.MsgHash, &r.cfg.MessengerContractAddress, big.NewInt(0), data)
 	if err != nil && err.Error() == "execution reverted: Message expired" {
 		return r.db.UpdateLayer2Status(r.ctx, msg.MsgHash, types.MsgExpired)
 	}
-	if err != nil && err.Error() == "execution reverted: Message was already successfully executed" {
+	if err != nil && err.Error() == "execution reverted: Message successfully executed" {
 		return r.db.UpdateLayer2Status(r.ctx, msg.MsgHash, types.MsgConfirmed)
 	}
 	if err != nil {
-		if !errors.Is(err, sender.ErrNoAvailableAccount) && !errors.Is(err, sender.ErrFullPending) {
+		if !errors.Is(err, sender.ErrNoAvailableAccount) {
 			log.Error("Failed to send relayMessageWithProof tx to layer1 ", "msg.height", msg.Height, "msg.MsgHash", msg.MsgHash, "err", err)
 		}
 		return err
 	}
-	bridgeL2MsgsRelayedTotalCounter.Inc(1)
 	log.Info("relayMessageWithProof to layer1", "msgHash", msg.MsgHash, "txhash", hash.String())
 
 	// save status in db
@@ -267,32 +238,25 @@ func (r *Layer2Relayer) ProcessGasPriceOracle() {
 			log.Error("Failed to fetch SuggestGasPrice from l2geth", "err", err)
 			return
 		}
-		suggestGasPriceUint64 := uint64(suggestGasPrice.Int64())
-		expectedDelta := r.lastGasPrice * r.gasPriceDiff / gasPriceDiffPrecision
 
-		// last is undefine or (suggestGasPriceUint64 >= minGasPrice && exceed diff)
-		if r.lastGasPrice == 0 || (suggestGasPriceUint64 >= r.minGasPrice && (suggestGasPriceUint64 >= r.lastGasPrice+expectedDelta || suggestGasPriceUint64 <= r.lastGasPrice-expectedDelta)) {
-			data, err := r.l2GasOracleABI.Pack("setL2BaseFee", suggestGasPrice)
-			if err != nil {
-				log.Error("Failed to pack setL2BaseFee", "batch.Hash", batch.Hash, "GasPrice", suggestGasPrice.Uint64(), "err", err)
-				return
-			}
+		data, err := r.l2GasOracleABI.Pack("setL2BaseFee", suggestGasPrice)
+		if err != nil {
+			log.Error("Failed to pack setL2BaseFee", "batch.Hash", batch.Hash, "block.BaseFee", suggestGasPrice.Uint64(), "err", err)
+			return
+		}
 
-			hash, err := r.gasOracleSender.SendTransaction(batch.Hash, &r.cfg.GasPriceOracleContractAddress, big.NewInt(0), data, 0)
-			if err != nil {
-				if !errors.Is(err, sender.ErrNoAvailableAccount) && !errors.Is(err, sender.ErrFullPending) {
-					log.Error("Failed to send setL2BaseFee tx to layer2 ", "batch.Hash", batch.Hash, "err", err)
-				}
-				return
+		hash, err := r.gasOracleSender.SendTransaction(batch.Hash, &r.cfg.GasPriceOracleContractAddress, big.NewInt(0), data)
+		if err != nil {
+			if !errors.Is(err, sender.ErrNoAvailableAccount) {
+				log.Error("Failed to send setL2BaseFee tx to layer2 ", "batch.Hash", batch.Hash, "err", err)
 			}
+			return
+		}
 
-			err = r.db.UpdateL2GasOracleStatusAndOracleTxHash(r.ctx, batch.Hash, types.GasOracleImporting, hash.String())
-			if err != nil {
-				log.Error("UpdateGasOracleStatusAndOracleTxHash failed", "batch.Hash", batch.Hash, "err", err)
-				return
-			}
-			r.lastGasPrice = suggestGasPriceUint64
-			log.Info("Update l2 gas price", "txHash", hash.String(), "GasPrice", suggestGasPrice)
+		err = r.db.UpdateL2GasOracleStatusAndOracleTxHash(r.ctx, batch.Hash, types.GasOracleImporting, hash.String())
+		if err != nil {
+			log.Error("UpdateGasOracleStatusAndOracleTxHash failed", "batch.Hash", batch.Hash, "err", err)
+			return
 		}
 	}
 }
@@ -321,17 +285,18 @@ func (r *Layer2Relayer) SendCommitTx(batchData []*types.BatchData) error {
 	// generate a unique txID and send transaction
 	var bytes []byte
 	for _, batch := range batchData {
+		log.Info("!!!!!", "BatchIndex", batch.Batch.BatchIndex, "BatchHash", batch.Hash().String(), "ParentBatchHash", batch.Batch.ParentBatchHash.String(), "PrevStateRoot", batch.Batch.PrevStateRoot.String(), "NewStateRoot", batch.Batch.NewStateRoot.String())
 		bytes = append(bytes, batch.Hash().Bytes()...)
 	}
 	txID := crypto.Keccak256Hash(bytes).String()
-	txHash, err := r.rollupSender.SendTransaction(txID, &r.cfg.RollupContractAddress, big.NewInt(0), calldata, 0)
+	txHash, err := r.rollupSender.SendTransaction(txID, &r.cfg.RollupContractAddress, big.NewInt(0), calldata)
 	if err != nil {
-		if !errors.Is(err, sender.ErrNoAvailableAccount) && !errors.Is(err, sender.ErrFullPending) {
+		if !errors.Is(err, sender.ErrNoAvailableAccount) {
 			log.Error("Failed to send commitBatches tx to layer1 ", "err", err)
+			fmt.Printf("Calldata = %v\n", common.Bytes2Hex(calldata))
 		}
 		return err
 	}
-	bridgeL2BatchesCommittedTotalCounter.Inc(int64(len(commitBatches)))
 	log.Info("Sent the commitBatches tx to layer1",
 		"tx_hash", txHash.Hex(),
 		"start_batch_index", commitBatches[0].BatchIndex,
@@ -357,34 +322,26 @@ func (r *Layer2Relayer) ProcessCommittedBatches() {
 		log.Error("UpdateSkippedBatches failed", "err", err)
 		// continue anyway
 	} else if count > 0 {
-		bridgeL2BatchesSkippedTotalCounter.Inc(count)
 		log.Info("Skipping batches", "count", count)
 	}
 
 	// batches are sorted by batch index in increasing order
-	batchHashes, err := r.db.GetCommittedBatches(1)
+	batches, err := r.db.GetCommittedBatches(1)
 	if err != nil {
 		log.Error("Failed to fetch committed L2 batches", "err", err)
 		return
 	}
-	if len(batchHashes) == 0 {
+	if len(batches) == 0 {
 		return
 	}
-	hash := batchHashes[0]
+	hash := batches[0]
 	// @todo add support to relay multiple batches
 
-	batches, err := r.db.GetBlockBatches(map[string]interface{}{"hash": hash}, "LIMIT 1")
+	status, err := r.db.GetProvingStatusByHash(hash)
 	if err != nil {
-		log.Error("Failed to fetch committed L2 batch", "hash", hash, "err", err)
+		log.Error("GetProvingStatusByHash failed", "hash", hash, "err", err)
 		return
 	}
-	if len(batches) == 0 {
-		log.Error("Unexpected result for GetBlockBatches", "hash", hash, "len", 0)
-		return
-	}
-
-	batch := batches[0]
-	status := batch.ProvingStatus
 
 	switch status {
 	case types.ProvingTaskUnassigned, types.ProvingTaskAssigned:
@@ -407,34 +364,6 @@ func (r *Layer2Relayer) ProcessCommittedBatches() {
 		log.Info("Start to roll up zk proof", "hash", hash)
 		success := false
 
-		previousBatch, err := r.db.GetLatestFinalizingOrFinalizedBatch()
-
-		// skip submitting proof
-		if err == nil && uint64(batch.CreatedAt.Sub(*previousBatch.CreatedAt).Seconds()) < r.cfg.FinalizeBatchIntervalSec {
-			log.Info(
-				"Not enough time passed, skipping",
-				"hash", hash,
-				"createdAt", batch.CreatedAt,
-				"lastFinalizingHash", previousBatch.Hash,
-				"lastFinalizingStatus", previousBatch.RollupStatus,
-				"lastFinalizingCreatedAt", previousBatch.CreatedAt,
-			)
-
-			if err = r.db.UpdateRollupStatus(r.ctx, hash, types.RollupFinalizationSkipped); err != nil {
-				log.Warn("UpdateRollupStatus failed", "hash", hash, "err", err)
-			} else {
-				success = true
-			}
-
-			return
-		}
-
-		// handle unexpected db error
-		if err != nil && err.Error() != "sql: no rows in result set" {
-			log.Error("Failed to get latest finalized batch", "err", err)
-			return
-		}
-
 		defer func() {
 			// TODO: need to revisit this and have a more fine-grained error handling
 			if !success {
@@ -473,15 +402,14 @@ func (r *Layer2Relayer) ProcessCommittedBatches() {
 
 		txID := hash + "-finalize"
 		// add suffix `-finalize` to avoid duplication with commit tx in unit tests
-		txHash, err := r.rollupSender.SendTransaction(txID, &r.cfg.RollupContractAddress, big.NewInt(0), data, 0)
+		txHash, err := r.rollupSender.SendTransaction(txID, &r.cfg.RollupContractAddress, big.NewInt(0), data)
 		finalizeTxHash := &txHash
 		if err != nil {
-			if !errors.Is(err, sender.ErrNoAvailableAccount) && !errors.Is(err, sender.ErrFullPending) {
+			if !errors.Is(err, sender.ErrNoAvailableAccount) {
 				log.Error("finalizeBatchWithProof in layer1 failed", "hash", hash, "err", err)
 			}
 			return
 		}
-		bridgeL2BatchesFinalizedTotalCounter.Inc(1)
 		log.Info("finalizeBatchWithProof in layer1", "batch_hash", hash, "tx_hash", hash)
 
 		// record and sync with db, @todo handle db error
@@ -499,95 +427,108 @@ func (r *Layer2Relayer) ProcessCommittedBatches() {
 	}
 }
 
+// Start the relayer process
+func (r *Layer2Relayer) Start() {
+	loop := func(ctx context.Context, f func()) {
+		ticker := time.NewTicker(time.Second)
+		defer ticker.Stop()
+
+		for {
+			select {
+			case <-ctx.Done():
+				return
+			case <-ticker.C:
+				f()
+			}
+		}
+	}
+
+	go func() {
+		ctx, cancel := context.WithCancel(r.ctx)
+
+		go loop(ctx, r.ProcessSavedEvents)
+		go loop(ctx, r.ProcessCommittedBatches)
+		go loop(ctx, r.ProcessGasPriceOracle)
+
+		go func(ctx context.Context) {
+			for {
+				select {
+				case <-ctx.Done():
+					return
+				case confirmation := <-r.messageCh:
+					r.handleConfirmation(confirmation)
+				case confirmation := <-r.rollupCh:
+					r.handleConfirmation(confirmation)
+				case cfm := <-r.gasOracleCh:
+					if !cfm.IsSuccessful {
+						// @discuss: maybe make it pending again?
+						err := r.db.UpdateL2GasOracleStatusAndOracleTxHash(r.ctx, cfm.ID, types.GasOracleFailed, cfm.TxHash.String())
+						if err != nil {
+							log.Warn("UpdateL2GasOracleStatusAndOracleTxHash failed", "err", err)
+						}
+						log.Warn("transaction confirmed but failed in layer1", "confirmation", cfm)
+					} else {
+						// @todo handle db error
+						err := r.db.UpdateL2GasOracleStatusAndOracleTxHash(r.ctx, cfm.ID, types.GasOracleImported, cfm.TxHash.String())
+						if err != nil {
+							log.Warn("UpdateL2GasOracleStatusAndOracleTxHash failed", "err", err)
+						}
+						log.Info("transaction confirmed in layer1", "confirmation", cfm)
+					}
+				}
+			}
+		}(ctx)
+
+		<-r.stopCh
+		cancel()
+	}()
+}
+
+// Stop the relayer module, for a graceful shutdown.
+func (r *Layer2Relayer) Stop() {
+	close(r.stopCh)
+}
+
 func (r *Layer2Relayer) handleConfirmation(confirmation *sender.Confirmation) {
+	if !confirmation.IsSuccessful {
+		log.Warn("transaction confirmed but failed in layer1", "confirmation", confirmation)
+		return
+	}
+
 	transactionType := "Unknown"
 	// check whether it is message relay transaction
 	if msgHash, ok := r.processingMessage.Load(confirmation.ID); ok {
 		transactionType = "MessageRelay"
-		var status types.MsgStatus
-		if confirmation.IsSuccessful {
-			status = types.MsgConfirmed
-		} else {
-			status = types.MsgRelayFailed
-			log.Warn("transaction confirmed but failed in layer1", "confirmation", confirmation)
-		}
 		// @todo handle db error
-		err := r.db.UpdateLayer2StatusAndLayer1Hash(r.ctx, msgHash.(string), status, confirmation.TxHash.String())
+		err := r.db.UpdateLayer2StatusAndLayer1Hash(r.ctx, msgHash.(string), types.MsgConfirmed, confirmation.TxHash.String())
 		if err != nil {
 			log.Warn("UpdateLayer2StatusAndLayer1Hash failed", "msgHash", msgHash.(string), "err", err)
 		}
-		bridgeL2MsgsRelayedConfirmedTotalCounter.Inc(1)
 		r.processingMessage.Delete(confirmation.ID)
 	}
 
 	// check whether it is CommitBatches transaction
 	if batchBatches, ok := r.processingBatchesCommitment.Load(confirmation.ID); ok {
 		transactionType = "BatchesCommitment"
-		batchHashes := batchBatches.([]string)
-		var status types.RollupStatus
-		if confirmation.IsSuccessful {
-			status = types.RollupCommitted
-		} else {
-			status = types.RollupCommitFailed
-			log.Warn("transaction confirmed but failed in layer1", "confirmation", confirmation)
-		}
-		for _, batchHash := range batchHashes {
+		for _, batchHash := range batchBatches.([]string) {
 			// @todo handle db error
-			err := r.db.UpdateCommitTxHashAndRollupStatus(r.ctx, batchHash, confirmation.TxHash.String(), status)
+			err := r.db.UpdateCommitTxHashAndRollupStatus(r.ctx, batchHash, confirmation.TxHash.String(), types.RollupCommitted)
 			if err != nil {
 				log.Warn("UpdateCommitTxHashAndRollupStatus failed", "batch_hash", batchHash, "err", err)
 			}
 		}
-		bridgeL2BatchesCommittedConfirmedTotalCounter.Inc(int64(len(batchHashes)))
 		r.processingBatchesCommitment.Delete(confirmation.ID)
 	}
 
 	// check whether it is proof finalization transaction
 	if batchHash, ok := r.processingFinalization.Load(confirmation.ID); ok {
 		transactionType = "ProofFinalization"
-		var status types.RollupStatus
-		if confirmation.IsSuccessful {
-			status = types.RollupFinalized
-		} else {
-			status = types.RollupFinalizeFailed
-			log.Warn("transaction confirmed but failed in layer1", "confirmation", confirmation)
-		}
 		// @todo handle db error
-		err := r.db.UpdateFinalizeTxHashAndRollupStatus(r.ctx, batchHash.(string), confirmation.TxHash.String(), status)
+		err := r.db.UpdateFinalizeTxHashAndRollupStatus(r.ctx, batchHash.(string), confirmation.TxHash.String(), types.RollupFinalized)
 		if err != nil {
 			log.Warn("UpdateFinalizeTxHashAndRollupStatus failed", "batch_hash", batchHash.(string), "err", err)
 		}
-		bridgeL2BatchesFinalizedConfirmedTotalCounter.Inc(1)
 		r.processingFinalization.Delete(confirmation.ID)
 	}
 	log.Info("transaction confirmed in layer1", "type", transactionType, "confirmation", confirmation)
 }
-
-func (r *Layer2Relayer) handleConfirmLoop(ctx context.Context) {
-	for {
-		select {
-		case <-ctx.Done():
-			return
-		case confirmation := <-r.messageSender.ConfirmChan():
-			r.handleConfirmation(confirmation)
-		case confirmation := <-r.rollupSender.ConfirmChan():
-			r.handleConfirmation(confirmation)
-		case cfm := <-r.gasOracleSender.ConfirmChan():
-			if !cfm.IsSuccessful {
-				// @discuss: maybe make it pending again?
-				err := r.db.UpdateL2GasOracleStatusAndOracleTxHash(r.ctx, cfm.ID, types.GasOracleFailed, cfm.TxHash.String())
-				if err != nil {
-					log.Warn("UpdateL2GasOracleStatusAndOracleTxHash failed", "err", err)
-				}
-				log.Warn("transaction confirmed but failed in layer1", "confirmation", cfm)
-			} else {
-				// @todo handle db error
-				err := r.db.UpdateL2GasOracleStatusAndOracleTxHash(r.ctx, cfm.ID, types.GasOracleImported, cfm.TxHash.String())
-				if err != nil {
-					log.Warn("UpdateL2GasOracleStatusAndOracleTxHash failed", "err", err)
-				}
-				log.Info("transaction confirmed in layer1", "confirmation", cfm)
-			}
-		}
-	}
-}

bridge/l2/relayer_test.go

@@ -1,4 +1,4 @@
-package relayer_test
+package l2
 
 import (
 	"context"
@@ -14,8 +14,6 @@ import (
 
 	"scroll-tech/common/types"
 
-	"scroll-tech/bridge/relayer"
-
 	"scroll-tech/database"
 	"scroll-tech/database/migrate"
 )
@@ -41,9 +39,11 @@ func testCreateNewRelayer(t *testing.T) {
 	assert.NoError(t, migrate.ResetDB(db.GetDB().DB))
 	defer db.Close()
 
-	relayer, err := relayer.NewLayer2Relayer(context.Background(), l2Cli, db, cfg.L2Config.RelayerConfig)
+	relayer, err := NewLayer2Relayer(context.Background(), l2Cli, db, cfg.L2Config.RelayerConfig)
 	assert.NoError(t, err)
-	assert.NotNil(t, relayer)
+	defer relayer.Stop()
+
+	relayer.Start()
 }
 
 func testL2RelayerProcessSaveEvents(t *testing.T) {
@@ -54,36 +54,28 @@ func testL2RelayerProcessSaveEvents(t *testing.T) {
 	defer db.Close()
 
 	l2Cfg := cfg.L2Config
-	relayer, err := relayer.NewLayer2Relayer(context.Background(), l2Cli, db, l2Cfg.RelayerConfig)
+	relayer, err := NewLayer2Relayer(context.Background(), l2Cli, db, l2Cfg.RelayerConfig)
 	assert.NoError(t, err)
+	defer relayer.Stop()
 
 	err = db.SaveL2Messages(context.Background(), templateL2Message)
 	assert.NoError(t, err)
 
-	traces := []*types.WrappedBlock{
+	traces := []*geth_types.BlockTrace{
 		{
 			Header: &geth_types.Header{
 				Number: big.NewInt(int64(templateL2Message[0].Height)),
 			},
-			Transactions:     nil,
-			WithdrawTrieRoot: common.Hash{},
 		},
 		{
 			Header: &geth_types.Header{
 				Number: big.NewInt(int64(templateL2Message[0].Height + 1)),
 			},
-			Transactions:     nil,
-			WithdrawTrieRoot: common.Hash{},
 		},
 	}
-	assert.NoError(t, db.InsertWrappedBlocks(traces))
+	err = db.InsertL2BlockTraces(traces)
+	assert.NoError(t, err)
 
-	parentBatch1 := &types.BlockBatch{
-		Index:     0,
-		Hash:      common.Hash{}.String(),
-		StateRoot: common.Hash{}.String(),
-	}
-	batchData1 := types.NewBatchData(parentBatch1, []*types.WrappedBlock{wrappedBlock1}, nil)
 	dbTx, err := db.Beginx()
 	assert.NoError(t, err)
 	assert.NoError(t, db.NewBatchInDBTx(dbTx, batchData1))
@@ -109,15 +101,10 @@ func testL2RelayerProcessCommittedBatches(t *testing.T) {
 	defer db.Close()
 
 	l2Cfg := cfg.L2Config
-	relayer, err := relayer.NewLayer2Relayer(context.Background(), l2Cli, db, l2Cfg.RelayerConfig)
+	relayer, err := NewLayer2Relayer(context.Background(), l2Cli, db, l2Cfg.RelayerConfig)
 	assert.NoError(t, err)
+	defer relayer.Stop()
 
-	parentBatch1 := &types.BlockBatch{
-		Index:     0,
-		Hash:      common.Hash{}.String(),
-		StateRoot: common.Hash{}.String(),
-	}
-	batchData1 := types.NewBatchData(parentBatch1, []*types.WrappedBlock{wrappedBlock1}, nil)
 	dbTx, err := db.Beginx()
 	assert.NoError(t, err)
 	assert.NoError(t, db.NewBatchInDBTx(dbTx, batchData1))
@@ -150,8 +137,9 @@ func testL2RelayerSkipBatches(t *testing.T) {
 	defer db.Close()
 
 	l2Cfg := cfg.L2Config
-	relayer, err := relayer.NewLayer2Relayer(context.Background(), l2Cli, db, l2Cfg.RelayerConfig)
+	relayer, err := NewLayer2Relayer(context.Background(), l2Cli, db, l2Cfg.RelayerConfig)
 	assert.NoError(t, err)
+	defer relayer.Stop()
 
 	createBatch := func(rollupStatus types.RollupStatus, provingStatus types.ProvingStatus, index uint64) string {
 		dbTx, err := db.Beginx()
@@ -211,13 +199,13 @@ func genBatchData(t *testing.T, index uint64) *types.BatchData {
 	templateBlockTrace, err := os.ReadFile("../../common/testdata/blockTrace_02.json")
 	assert.NoError(t, err)
 	// unmarshal blockTrace
-	wrappedBlock := &types.WrappedBlock{}
-	err = json.Unmarshal(templateBlockTrace, wrappedBlock)
+	blockTrace := &geth_types.BlockTrace{}
+	err = json.Unmarshal(templateBlockTrace, blockTrace)
 	assert.NoError(t, err)
-	wrappedBlock.Header.ParentHash = common.HexToHash("0x" + strconv.FormatUint(index+1, 16))
+	blockTrace.Header.ParentHash = common.HexToHash("0x" + strconv.FormatUint(index+1, 16))
 	parentBatch := &types.BlockBatch{
 		Index: index,
 		Hash:  "0x0000000000000000000000000000000000000000",
 	}
-	return types.NewBatchData(parentBatch, []*types.WrappedBlock{wrappedBlock}, nil)
+	return types.NewBatchData(parentBatch, []*geth_types.BlockTrace{blockTrace}, nil)
 }

bridge/l2/watcher.go

@@ -1,44 +1,44 @@
-package watcher
+package l2
 
 import (
 	"context"
 	"errors"
 	"fmt"
 	"math/big"
+	"reflect"
+	"time"
 
 	geth "github.com/scroll-tech/go-ethereum"
 	"github.com/scroll-tech/go-ethereum/accounts/abi"
 	"github.com/scroll-tech/go-ethereum/common"
-	"github.com/scroll-tech/go-ethereum/common/hexutil"
 	geth_types "github.com/scroll-tech/go-ethereum/core/types"
 	"github.com/scroll-tech/go-ethereum/ethclient"
 	"github.com/scroll-tech/go-ethereum/event"
 	"github.com/scroll-tech/go-ethereum/log"
-	geth_metrics "github.com/scroll-tech/go-ethereum/metrics"
+	"github.com/scroll-tech/go-ethereum/metrics"
 	"github.com/scroll-tech/go-ethereum/rpc"
 
-	"scroll-tech/common/metrics"
-	"scroll-tech/common/types"
-
-	"scroll-tech/database"
-
 	bridge_abi "scroll-tech/bridge/abi"
 	"scroll-tech/bridge/utils"
+
+	"scroll-tech/common/types"
+
+	"scroll-tech/database"
 )
 
 // Metrics
 var (
-	bridgeL2MsgsSyncHeightGauge      = geth_metrics.NewRegisteredGauge("bridge/l2/msgs/sync/height", metrics.ScrollRegistry)
-	bridgeL2BlocksFetchedHeightGauge = geth_metrics.NewRegisteredGauge("bridge/l2/blocks/fetched/height", metrics.ScrollRegistry)
-	bridgeL2BlocksFetchedGapGauge    = geth_metrics.NewRegisteredGauge("bridge/l2/blocks/fetched/gap", metrics.ScrollRegistry)
-
-	bridgeL2MsgsSentEventsTotalCounter    = geth_metrics.NewRegisteredCounter("bridge/l2/msgs/sent/events/total", metrics.ScrollRegistry)
-	bridgeL2MsgsAppendEventsTotalCounter  = geth_metrics.NewRegisteredCounter("bridge/l2/msgs/append/events/total", metrics.ScrollRegistry)
-	bridgeL2MsgsRelayedEventsTotalCounter = geth_metrics.NewRegisteredCounter("bridge/l2/msgs/relayed/events/total", metrics.ScrollRegistry)
+	bridgeL2MsgSyncHeightGauge = metrics.NewRegisteredGauge("bridge/l2/msg/sync/height", nil)
 )
 
-// L2WatcherClient provide APIs which support others to subscribe to various event from l2geth
-type L2WatcherClient struct {
+type relayedMessage struct {
+	msgHash      common.Hash
+	txHash       common.Hash
+	isSuccessful bool
+}
+
+// WatcherClient provide APIs which support others to subscribe to various event from l2geth
+type WatcherClient struct {
 	ctx context.Context
 	event.Feed
 
@@ -51,25 +51,25 @@ type L2WatcherClient struct {
 	messengerAddress common.Address
 	messengerABI     *abi.ABI
 
-	messageQueueAddress  common.Address
-	messageQueueABI      *abi.ABI
-	withdrawTrieRootSlot common.Hash
+	messageQueueAddress common.Address
+	messageQueueABI     *abi.ABI
 
 	// The height of the block that the watcher has retrieved event logs
 	processedMsgHeight uint64
 
 	stopped uint64
+	stopCh  chan struct{}
 }
 
 // NewL2WatcherClient take a l2geth instance to generate a l2watcherclient instance
-func NewL2WatcherClient(ctx context.Context, client *ethclient.Client, confirmations rpc.BlockNumber, messengerAddress, messageQueueAddress common.Address, withdrawTrieRootSlot common.Hash, orm database.OrmFactory) *L2WatcherClient {
+func NewL2WatcherClient(ctx context.Context, client *ethclient.Client, confirmations rpc.BlockNumber, messengerAddress, messageQueueAddress common.Address, orm database.OrmFactory) *WatcherClient {
 	savedHeight, err := orm.GetLayer2LatestWatchedHeight()
 	if err != nil {
 		log.Warn("fetch height from db failed", "err", err)
 		savedHeight = 0
 	}
 
-	w := L2WatcherClient{
+	w := WatcherClient{
 		ctx:                ctx,
 		Client:             client,
 		orm:                orm,
@@ -79,10 +79,10 @@ func NewL2WatcherClient(ctx context.Context, client *ethclient.Client, confirmat
 		messengerAddress: messengerAddress,
 		messengerABI:     bridge_abi.L2ScrollMessengerABI,
 
-		messageQueueAddress:  messageQueueAddress,
-		messageQueueABI:      bridge_abi.L2MessageQueueABI,
-		withdrawTrieRootSlot: withdrawTrieRootSlot,
+		messageQueueAddress: messageQueueAddress,
+		messageQueueABI:     bridge_abi.L2MessageQueueABI,
 
+		stopCh:  make(chan struct{}),
 		stopped: 0,
 	}
 
@@ -94,7 +94,7 @@ func NewL2WatcherClient(ctx context.Context, client *ethclient.Client, confirmat
 	return &w
 }
 
-func (w *L2WatcherClient) initializeGenesis() error {
+func (w *WatcherClient) initializeGenesis() error {
 	if count, err := w.orm.GetBatchCount(); err != nil {
 		return fmt.Errorf("failed to get batch count: %v", err)
 	} else if count > 0 {
@@ -109,7 +109,15 @@ func (w *L2WatcherClient) initializeGenesis() error {
 
 	log.Info("retrieved L2 genesis header", "hash", genesis.Hash().String())
 
-	blockTrace := &types.WrappedBlock{Header: genesis, Transactions: nil, WithdrawTrieRoot: common.Hash{}}
+	blockTrace := &geth_types.BlockTrace{
+		Coinbase:         nil,
+		Header:           genesis,
+		Transactions:     []*geth_types.TransactionData{},
+		StorageTrace:     nil,
+		ExecutionResults: []*geth_types.ExecutionResult{},
+		MPTWitness:       nil,
+	}
+
 	batchData := types.NewGenesisBatchData(blockTrace)
 
 	if err = AddBatchInfoToDB(w.orm, batchData); err != nil {
@@ -132,16 +140,79 @@ func (w *L2WatcherClient) initializeGenesis() error {
 	return nil
 }
 
+// Start the Listening process
+func (w *WatcherClient) Start() {
+	go func() {
+		if reflect.ValueOf(w.orm).IsNil() {
+			panic("must run L2 watcher with DB")
+		}
+
+		ctx, cancel := context.WithCancel(w.ctx)
+
+		// trace fetcher loop
+		go func(ctx context.Context) {
+			ticker := time.NewTicker(2 * time.Second)
+			defer ticker.Stop()
+
+			for {
+				select {
+				case <-ctx.Done():
+					return
+
+				case <-ticker.C:
+					number, err := utils.GetLatestConfirmedBlockNumber(ctx, w.Client, w.confirmations)
+					if err != nil {
+						log.Error("failed to get block number", "err", err)
+						continue
+					}
+
+					w.tryFetchRunningMissingBlocks(ctx, number)
+				}
+			}
+		}(ctx)
+
+		// event fetcher loop
+		go func(ctx context.Context) {
+			ticker := time.NewTicker(2 * time.Second)
+			defer ticker.Stop()
+
+			for {
+				select {
+				case <-ctx.Done():
+					return
+
+				case <-ticker.C:
+					number, err := utils.GetLatestConfirmedBlockNumber(ctx, w.Client, w.confirmations)
+					if err != nil {
+						log.Error("failed to get block number", "err", err)
+						continue
+					}
+
+					w.FetchContractEvent(number)
+				}
+			}
+		}(ctx)
+
+		<-w.stopCh
+		cancel()
+	}()
+}
+
+// Stop the Watcher module, for a graceful shutdown.
+func (w *WatcherClient) Stop() {
+	w.stopCh <- struct{}{}
+}
+
 const blockTracesFetchLimit = uint64(10)
 
-// TryFetchRunningMissingBlocks try fetch missing blocks if inconsistent
-func (w *L2WatcherClient) TryFetchRunningMissingBlocks(ctx context.Context, blockHeight uint64) {
+// try fetch missing blocks if inconsistent
+func (w *WatcherClient) tryFetchRunningMissingBlocks(ctx context.Context, blockHeight uint64) {
 	// Get newest block in DB. must have blocks at that time.
 	// Don't use "block_trace" table "trace" column's BlockTrace.Number,
 	// because it might be empty if the corresponding rollup_result is finalized/finalization_skipped
-	heightInDB, err := w.orm.GetL2BlocksLatestHeight()
+	heightInDB, err := w.orm.GetL2BlockTracesLatestHeight()
 	if err != nil {
-		log.Error("failed to GetL2BlocksLatestHeight", "err", err)
+		log.Error("failed to GetL2BlockTracesLatestHeight", "err", err)
 		return
 	}
 
@@ -163,60 +234,25 @@ func (w *L2WatcherClient) TryFetchRunningMissingBlocks(ctx context.Context, bloc
 			log.Error("fail to getAndStoreBlockTraces", "from", from, "to", to, "err", err)
 			return
 		}
-		bridgeL2BlocksFetchedHeightGauge.Update(int64(to))
-		bridgeL2BlocksFetchedGapGauge.Update(int64(blockHeight - to))
 	}
 }
 
-func txsToTxsData(txs geth_types.Transactions) []*geth_types.TransactionData {
-	txsData := make([]*geth_types.TransactionData, len(txs))
-	for i, tx := range txs {
-		v, r, s := tx.RawSignatureValues()
-		txsData[i] = &geth_types.TransactionData{
-			Type:     tx.Type(),
-			TxHash:   tx.Hash().String(),
-			Nonce:    tx.Nonce(),
-			ChainId:  (*hexutil.Big)(tx.ChainId()),
-			Gas:      tx.Gas(),
-			GasPrice: (*hexutil.Big)(tx.GasPrice()),
-			To:       tx.To(),
-			Value:    (*hexutil.Big)(tx.Value()),
-			Data:     hexutil.Encode(tx.Data()),
-			IsCreate: tx.To() == nil,
-			V:        (*hexutil.Big)(v),
-			R:        (*hexutil.Big)(r),
-			S:        (*hexutil.Big)(s),
-		}
-	}
-	return txsData
-}
-
-func (w *L2WatcherClient) getAndStoreBlockTraces(ctx context.Context, from, to uint64) error {
-	var blocks []*types.WrappedBlock
+func (w *WatcherClient) getAndStoreBlockTraces(ctx context.Context, from, to uint64) error {
+	var traces []*geth_types.BlockTrace
 
 	for number := from; number <= to; number++ {
-		log.Debug("retrieving block", "height", number)
-		block, err2 := w.BlockByNumber(ctx, big.NewInt(int64(number)))
+		log.Debug("retrieving block trace", "height", number)
+		trace, err2 := w.GetBlockTraceByNumber(ctx, big.NewInt(int64(number)))
 		if err2 != nil {
-			return fmt.Errorf("failed to GetBlockByNumber: %v. number: %v", err2, number)
+			return fmt.Errorf("failed to GetBlockResultByHash: %v. number: %v", err2, number)
 		}
+		log.Info("retrieved block trace", "height", trace.Header.Number, "hash", trace.Header.Hash().String())
 
-		log.Info("retrieved block", "height", block.Header().Number, "hash", block.Header().Hash().String())
+		traces = append(traces, trace)
 
-		withdrawTrieRoot, err3 := w.StorageAt(ctx, w.messageQueueAddress, w.withdrawTrieRootSlot, big.NewInt(int64(number)))
-		if err3 != nil {
-			return fmt.Errorf("failed to get withdrawTrieRoot: %v. number: %v", err3, number)
-		}
-
-		blocks = append(blocks, &types.WrappedBlock{
-			Header:           block.Header(),
-			Transactions:     txsToTxsData(block.Transactions()),
-			WithdrawTrieRoot: common.BytesToHash(withdrawTrieRoot),
-		})
 	}
-
-	if len(blocks) > 0 {
-		if err := w.orm.InsertWrappedBlocks(blocks); err != nil {
+	if len(traces) > 0 {
+		if err := w.orm.InsertL2BlockTraces(traces); err != nil {
 			return fmt.Errorf("failed to batch insert BlockTraces: %v", err)
 		}
 	}
@@ -224,18 +260,14 @@ func (w *L2WatcherClient) getAndStoreBlockTraces(ctx context.Context, from, to u
 	return nil
 }
 
+const contractEventsBlocksFetchLimit = int64(10)
+
 // FetchContractEvent pull latest event logs from given contract address and save in DB
-func (w *L2WatcherClient) FetchContractEvent() {
+func (w *WatcherClient) FetchContractEvent(blockHeight uint64) {
 	defer func() {
 		log.Info("l2 watcher fetchContractEvent", "w.processedMsgHeight", w.processedMsgHeight)
 	}()
 
-	blockHeight, err := utils.GetLatestConfirmedBlockNumber(w.ctx, w.Client, w.confirmations)
-	if err != nil {
-		log.Error("failed to get block number", "err", err)
-		return
-	}
-
 	fromBlock := int64(w.processedMsgHeight) + 1
 	toBlock := int64(blockHeight)
 
@@ -269,7 +301,7 @@ func (w *L2WatcherClient) FetchContractEvent() {
 		}
 		if len(logs) == 0 {
 			w.processedMsgHeight = uint64(to)
-			bridgeL2MsgsSyncHeightGauge.Update(to)
+			bridgeL2MsgSyncHeightGauge.Update(to)
 			continue
 		}
 		log.Info("received new L2 messages", "fromBlock", from, "toBlock", to, "cnt", len(logs))
@@ -280,12 +312,6 @@ func (w *L2WatcherClient) FetchContractEvent() {
 			return
 		}
 
-		sentMessageCount := int64(len(sentMessageEvents))
-		relayedMessageCount := int64(len(relayedMessageEvents))
-		bridgeL2MsgsSentEventsTotalCounter.Inc(sentMessageCount)
-		bridgeL2MsgsRelayedEventsTotalCounter.Inc(relayedMessageCount)
-		log.Info("L2 events types", "SentMessageCount", sentMessageCount, "RelayedMessageCount", relayedMessageCount)
-
 		// Update relayed message first to make sure we don't forget to update submited message.
 		// Since, we always start sync from the latest unprocessed message.
 		for _, msg := range relayedMessageEvents {
@@ -307,11 +333,11 @@ func (w *L2WatcherClient) FetchContractEvent() {
 		}
 
 		w.processedMsgHeight = uint64(to)
-		bridgeL2MsgsSyncHeightGauge.Update(to)
+		bridgeL2MsgSyncHeightGauge.Update(to)
 	}
 }
 
-func (w *L2WatcherClient) parseBridgeEventLogs(logs []geth_types.Log) ([]*types.L2Message, []relayedMessage, error) {
+func (w *WatcherClient) parseBridgeEventLogs(logs []geth_types.Log) ([]*types.L2Message, []relayedMessage, error) {
 	// Need use contract abi to parse event Log
 	// Can only be tested after we have our contracts set up
 
@@ -396,7 +422,6 @@ func (w *L2WatcherClient) parseBridgeEventLogs(logs []geth_types.Log) ([]*types.
 
 			lastAppendMsgHash = event.MessageHash
 			lastAppendMsgNonce = event.Index.Uint64()
-			bridgeL2MsgsAppendEventsTotalCounter.Inc(1)
 		default:
 			log.Error("Unknown event", "topic", vLog.Topics[0], "txHash", vLog.TxHash)
 		}

bridge/l2/watcher_api.go

@@ -0,0 +1,5 @@
+package l2
+
+// WatcherAPI watcher api service
+type WatcherAPI interface {
+}

bridge/l2/watcher_test.go

@@ -1,4 +1,4 @@
-package watcher_test
+package l2
 
 import (
 	"context"
@@ -19,9 +19,6 @@ import (
 
 	"scroll-tech/bridge/mock_bridge"
 	"scroll-tech/bridge/sender"
-	"scroll-tech/bridge/watcher"
-
-	cutils "scroll-tech/common/utils"
 
 	"scroll-tech/database"
 	"scroll-tech/database/migrate"
@@ -32,16 +29,12 @@ func testCreateNewWatcherAndStop(t *testing.T) {
 	l2db, err := database.NewOrmFactory(cfg.DBConfig)
 	assert.NoError(t, err)
 	assert.NoError(t, migrate.ResetDB(l2db.GetDB().DB))
-	ctx := context.Background()
-	subCtx, cancel := context.WithCancel(ctx)
-	defer func() {
-		cancel()
-		l2db.Close()
-	}()
+	defer l2db.Close()
 
 	l2cfg := cfg.L2Config
-	rc := watcher.NewL2WatcherClient(context.Background(), l2Cli, l2cfg.Confirmations, l2cfg.L2MessengerAddress, l2cfg.L2MessageQueueAddress, l2cfg.WithdrawTrieRootSlot, l2db)
-	loopToFetchEvent(subCtx, rc)
+	rc := NewL2WatcherClient(context.Background(), l2Cli, l2cfg.Confirmations, l2cfg.L2MessengerAddress, l2cfg.L2MessageQueueAddress, l2db)
+	rc.Start()
+	defer rc.Stop()
 
 	l1cfg := cfg.L1Config
 	l1cfg.RelayerConfig.SenderConfig.Confirmations = rpc.LatestBlockNumber
@@ -52,7 +45,7 @@ func testCreateNewWatcherAndStop(t *testing.T) {
 	numTransactions := 3
 	toAddress := common.HexToAddress("0x4592d8f8d7b001e72cb26a73e4fa1806a51ac79d")
 	for i := 0; i < numTransactions; i++ {
-		_, err = newSender.SendTransaction(strconv.Itoa(1000+i), &toAddress, big.NewInt(1000000000), nil, 0)
+		_, err = newSender.SendTransaction(strconv.Itoa(1000+i), &toAddress, big.NewInt(1000000000), nil)
 		assert.NoError(t, err)
 		<-newSender.ConfirmChan()
 	}
@@ -67,17 +60,12 @@ func testMonitorBridgeContract(t *testing.T) {
 	db, err := database.NewOrmFactory(cfg.DBConfig)
 	assert.NoError(t, err)
 	assert.NoError(t, migrate.ResetDB(db.GetDB().DB))
-	ctx := context.Background()
-	subCtx, cancel := context.WithCancel(ctx)
-
-	defer func() {
-		cancel()
-		db.Close()
-	}()
+	defer db.Close()
 
 	l2cfg := cfg.L2Config
-	wc := watcher.NewL2WatcherClient(context.Background(), l2Cli, l2cfg.Confirmations, l2cfg.L2MessengerAddress, l2cfg.L2MessageQueueAddress, l2cfg.WithdrawTrieRootSlot, db)
-	loopToFetchEvent(subCtx, wc)
+	wc := NewL2WatcherClient(context.Background(), l2Cli, l2cfg.Confirmations, l2cfg.L2MessengerAddress, l2cfg.L2MessageQueueAddress, db)
+	wc.Start()
+	defer wc.Stop()
 
 	previousHeight, err := l2Cli.BlockNumber(context.Background())
 	assert.NoError(t, err)
@@ -91,7 +79,9 @@ func testMonitorBridgeContract(t *testing.T) {
 	assert.NoError(t, err)
 
 	rc := prepareWatcherClient(l2Cli, db, address)
-	loopToFetchEvent(subCtx, rc)
+	rc.Start()
+	defer rc.Stop()
+
 	// Call mock_bridge instance sendMessage to trigger emit events
 	toAddress := common.HexToAddress("0x4592d8f8d7b001e72cb26a73e4fa1806a51ac79d")
 	message := []byte("testbridgecontract")
@@ -138,13 +128,7 @@ func testFetchMultipleSentMessageInOneBlock(t *testing.T) {
 	db, err := database.NewOrmFactory(cfg.DBConfig)
 	assert.NoError(t, err)
 	assert.NoError(t, migrate.ResetDB(db.GetDB().DB))
-	ctx := context.Background()
-	subCtx, cancel := context.WithCancel(ctx)
-
-	defer func() {
-		cancel()
-		db.Close()
-	}()
+	defer db.Close()
 
 	previousHeight, err := l2Cli.BlockNumber(context.Background()) // shallow the global previousHeight
 	assert.NoError(t, err)
@@ -157,7 +141,8 @@ func testFetchMultipleSentMessageInOneBlock(t *testing.T) {
 	assert.NoError(t, err)
 
 	rc := prepareWatcherClient(l2Cli, db, address)
-	loopToFetchEvent(subCtx, rc)
+	rc.Start()
+	defer rc.Stop()
 
 	// Call mock_bridge instance sendMessage to trigger emit events multiple times
 	numTransactions := 4
@@ -210,9 +195,9 @@ func testFetchMultipleSentMessageInOneBlock(t *testing.T) {
 	assert.Equal(t, 5, len(msgs))
 }
 
-func prepareWatcherClient(l2Cli *ethclient.Client, db database.OrmFactory, contractAddr common.Address) *watcher.L2WatcherClient {
+func prepareWatcherClient(l2Cli *ethclient.Client, db database.OrmFactory, contractAddr common.Address) *WatcherClient {
 	confirmations := rpc.LatestBlockNumber
-	return watcher.NewL2WatcherClient(context.Background(), l2Cli, confirmations, contractAddr, contractAddr, common.Hash{}, db)
+	return NewL2WatcherClient(context.Background(), l2Cli, confirmations, contractAddr, contractAddr, db)
 }
 
 func prepareAuth(t *testing.T, l2Cli *ethclient.Client, privateKey *ecdsa.PrivateKey) *bind.TransactOpts {
@@ -224,7 +209,3 @@ func prepareAuth(t *testing.T, l2Cli *ethclient.Client, privateKey *ecdsa.Privat
 	assert.NoError(t, err)
 	return auth
 }
-
-func loopToFetchEvent(subCtx context.Context, watcher *watcher.L2WatcherClient) {
-	go cutils.Loop(subCtx, 2*time.Second, watcher.FetchContractEvent)
-}

bridge/relayer/l1_relayer.go

@@ -1,248 +0,0 @@
-package relayer
-
-import (
-	"context"
-	"errors"
-	"math/big"
-
-	// not sure if this will make problems when relay with l1geth
-
-	"github.com/scroll-tech/go-ethereum/accounts/abi"
-	"github.com/scroll-tech/go-ethereum/common"
-	"github.com/scroll-tech/go-ethereum/crypto"
-	"github.com/scroll-tech/go-ethereum/log"
-	geth_metrics "github.com/scroll-tech/go-ethereum/metrics"
-
-	"scroll-tech/common/types"
-
-	"scroll-tech/database"
-
-	"scroll-tech/common/metrics"
-
-	bridge_abi "scroll-tech/bridge/abi"
-	"scroll-tech/bridge/config"
-	"scroll-tech/bridge/sender"
-)
-
-var (
-	bridgeL1MsgsRelayedTotalCounter          = geth_metrics.NewRegisteredCounter("bridge/l1/msgs/relayed/total", metrics.ScrollRegistry)
-	bridgeL1MsgsRelayedConfirmedTotalCounter = geth_metrics.NewRegisteredCounter("bridge/l1/msgs/relayed/confirmed/total", metrics.ScrollRegistry)
-)
-
-// Layer1Relayer is responsible for
-//  1. fetch pending L1Message from db
-//  2. relay pending message to layer 2 node
-//
-// Actions are triggered by new head from layer 1 geth node.
-// @todo It's better to be triggered by watcher.
-type Layer1Relayer struct {
-	ctx context.Context
-
-	db  database.OrmFactory
-	cfg *config.RelayerConfig
-
-	// channel used to communicate with transaction sender
-	messageSender  *sender.Sender
-	l2MessengerABI *abi.ABI
-
-	gasOracleSender *sender.Sender
-	l1GasOracleABI  *abi.ABI
-
-	minGasLimitForMessageRelay uint64
-
-	lastGasPrice uint64
-	minGasPrice  uint64
-	gasPriceDiff uint64
-}
-
-// NewLayer1Relayer will return a new instance of Layer1RelayerClient
-func NewLayer1Relayer(ctx context.Context, db database.OrmFactory, cfg *config.RelayerConfig) (*Layer1Relayer, error) {
-	messageSender, err := sender.NewSender(ctx, cfg.SenderConfig, cfg.MessageSenderPrivateKeys)
-	if err != nil {
-		addr := crypto.PubkeyToAddress(cfg.MessageSenderPrivateKeys[0].PublicKey)
-		log.Error("new MessageSender failed", "main address", addr.String(), "err", err)
-		return nil, err
-	}
-
-	// @todo make sure only one sender is available
-	gasOracleSender, err := sender.NewSender(ctx, cfg.SenderConfig, cfg.GasOracleSenderPrivateKeys)
-	if err != nil {
-		addr := crypto.PubkeyToAddress(cfg.GasOracleSenderPrivateKeys[0].PublicKey)
-		log.Error("new GasOracleSender failed", "main address", addr.String(), "err", err)
-		return nil, err
-	}
-
-	var minGasPrice uint64
-	var gasPriceDiff uint64
-	if cfg.GasOracleConfig != nil {
-		minGasPrice = cfg.GasOracleConfig.MinGasPrice
-		gasPriceDiff = cfg.GasOracleConfig.GasPriceDiff
-	} else {
-		minGasPrice = 0
-		gasPriceDiff = defaultGasPriceDiff
-	}
-
-	minGasLimitForMessageRelay := uint64(defaultL1MessageRelayMinGasLimit)
-	if cfg.MessageRelayMinGasLimit != 0 {
-		minGasLimitForMessageRelay = cfg.MessageRelayMinGasLimit
-	}
-
-	l1Relayer := &Layer1Relayer{
-		ctx: ctx,
-		db:  db,
-
-		messageSender:  messageSender,
-		l2MessengerABI: bridge_abi.L2ScrollMessengerABI,
-
-		gasOracleSender: gasOracleSender,
-		l1GasOracleABI:  bridge_abi.L1GasPriceOracleABI,
-
-		minGasLimitForMessageRelay: minGasLimitForMessageRelay,
-
-		minGasPrice:  minGasPrice,
-		gasPriceDiff: gasPriceDiff,
-
-		cfg: cfg,
-	}
-
-	go l1Relayer.handleConfirmLoop(ctx)
-	return l1Relayer, nil
-}
-
-// ProcessSavedEvents relays saved un-processed cross-domain transactions to desired blockchain
-func (r *Layer1Relayer) ProcessSavedEvents() {
-	// msgs are sorted by nonce in increasing order
-	msgs, err := r.db.GetL1MessagesByStatus(types.MsgPending, 100)
-	if err != nil {
-		log.Error("Failed to fetch unprocessed L1 messages", "err", err)
-		return
-	}
-
-	if len(msgs) > 0 {
-		log.Info("Processing L1 messages", "count", len(msgs))
-	}
-
-	for _, msg := range msgs {
-		if err = r.processSavedEvent(msg); err != nil {
-			if !errors.Is(err, sender.ErrNoAvailableAccount) && !errors.Is(err, sender.ErrFullPending) {
-				log.Error("failed to process event", "msg.msgHash", msg.MsgHash, "err", err)
-			}
-			return
-		}
-	}
-}
-
-func (r *Layer1Relayer) processSavedEvent(msg *types.L1Message) error {
-	calldata := common.Hex2Bytes(msg.Calldata)
-
-	hash, err := r.messageSender.SendTransaction(msg.MsgHash, &r.cfg.MessengerContractAddress, big.NewInt(0), calldata, r.minGasLimitForMessageRelay)
-	if err != nil && err.Error() == "execution reverted: Message expired" {
-		return r.db.UpdateLayer1Status(r.ctx, msg.MsgHash, types.MsgExpired)
-	}
-	if err != nil && err.Error() == "execution reverted: Message was already successfully executed" {
-		return r.db.UpdateLayer1Status(r.ctx, msg.MsgHash, types.MsgConfirmed)
-	}
-	if err != nil {
-		return err
-	}
-	bridgeL1MsgsRelayedTotalCounter.Inc(1)
-	log.Info("relayMessage to layer2", "msg hash", msg.MsgHash, "tx hash", hash)
-
-	err = r.db.UpdateLayer1StatusAndLayer2Hash(r.ctx, msg.MsgHash, types.MsgSubmitted, hash.String())
-	if err != nil {
-		log.Error("UpdateLayer1StatusAndLayer2Hash failed", "msg.msgHash", msg.MsgHash, "msg.height", msg.Height, "err", err)
-	}
-	return err
-}
-
-// ProcessGasPriceOracle imports gas price to layer2
-func (r *Layer1Relayer) ProcessGasPriceOracle() {
-	latestBlockHeight, err := r.db.GetLatestL1BlockHeight()
-	if err != nil {
-		log.Warn("Failed to fetch latest L1 block height from db", "err", err)
-		return
-	}
-
-	blocks, err := r.db.GetL1BlockInfos(map[string]interface{}{
-		"number": latestBlockHeight,
-	})
-	if err != nil {
-		log.Error("Failed to GetL1BlockInfos from db", "height", latestBlockHeight, "err", err)
-		return
-	}
-	if len(blocks) != 1 {
-		log.Error("Block not exist", "height", latestBlockHeight)
-		return
-	}
-	block := blocks[0]
-
-	if block.GasOracleStatus == types.GasOraclePending {
-		expectedDelta := r.lastGasPrice * r.gasPriceDiff / gasPriceDiffPrecision
-		// last is undefine or (block.BaseFee >= minGasPrice && exceed diff)
-		if r.lastGasPrice == 0 || (block.BaseFee >= r.minGasPrice && (block.BaseFee >= r.lastGasPrice+expectedDelta || block.BaseFee <= r.lastGasPrice-expectedDelta)) {
-			baseFee := big.NewInt(int64(block.BaseFee))
-			data, err := r.l1GasOracleABI.Pack("setL1BaseFee", baseFee)
-			if err != nil {
-				log.Error("Failed to pack setL1BaseFee", "block.Hash", block.Hash, "block.Height", block.Number, "block.BaseFee", block.BaseFee, "err", err)
-				return
-			}
-
-			hash, err := r.gasOracleSender.SendTransaction(block.Hash, &r.cfg.GasPriceOracleContractAddress, big.NewInt(0), data, 0)
-			if err != nil {
-				if !errors.Is(err, sender.ErrNoAvailableAccount) && !errors.Is(err, sender.ErrFullPending) {
-					log.Error("Failed to send setL1BaseFee tx to layer2 ", "block.Hash", block.Hash, "block.Height", block.Number, "err", err)
-				}
-				return
-			}
-
-			err = r.db.UpdateL1GasOracleStatusAndOracleTxHash(r.ctx, block.Hash, types.GasOracleImporting, hash.String())
-			if err != nil {
-				log.Error("UpdateGasOracleStatusAndOracleTxHash failed", "block.Hash", block.Hash, "block.Height", block.Number, "err", err)
-				return
-			}
-			r.lastGasPrice = block.BaseFee
-			log.Info("Update l1 base fee", "txHash", hash.String(), "baseFee", baseFee)
-		}
-	}
-}
-
-func (r *Layer1Relayer) handleConfirmLoop(ctx context.Context) {
-	for {
-		select {
-		case <-ctx.Done():
-			return
-		case cfm := <-r.messageSender.ConfirmChan():
-			bridgeL1MsgsRelayedConfirmedTotalCounter.Inc(1)
-			if !cfm.IsSuccessful {
-				err := r.db.UpdateLayer1StatusAndLayer2Hash(r.ctx, cfm.ID, types.MsgRelayFailed, cfm.TxHash.String())
-				if err != nil {
-					log.Warn("UpdateLayer1StatusAndLayer2Hash failed", "err", err)
-				}
-				log.Warn("transaction confirmed but failed in layer2", "confirmation", cfm)
-			} else {
-				// @todo handle db error
-				err := r.db.UpdateLayer1StatusAndLayer2Hash(r.ctx, cfm.ID, types.MsgConfirmed, cfm.TxHash.String())
-				if err != nil {
-					log.Warn("UpdateLayer1StatusAndLayer2Hash failed", "err", err)
-				}
-				log.Info("transaction confirmed in layer2", "confirmation", cfm)
-			}
-		case cfm := <-r.gasOracleSender.ConfirmChan():
-			if !cfm.IsSuccessful {
-				// @discuss: maybe make it pending again?
-				err := r.db.UpdateL1GasOracleStatusAndOracleTxHash(r.ctx, cfm.ID, types.GasOracleFailed, cfm.TxHash.String())
-				if err != nil {
-					log.Warn("UpdateL1GasOracleStatusAndOracleTxHash failed", "err", err)
-				}
-				log.Warn("transaction confirmed but failed in layer2", "confirmation", cfm)
-			} else {
-				// @todo handle db error
-				err := r.db.UpdateL1GasOracleStatusAndOracleTxHash(r.ctx, cfm.ID, types.GasOracleImported, cfm.TxHash.String())
-				if err != nil {
-					log.Warn("UpdateGasOracleStatusAndOracleTxHash failed", "err", err)
-				}
-				log.Info("transaction confirmed in layer2", "confirmation", cfm)
-			}
-		}
-	}
-}

bridge/relayer/params.go

@@ -1,11 +0,0 @@
-package relayer
-
-const (
-	gasPriceDiffPrecision = 1000000
-
-	defaultGasPriceDiff = 50000 // 5%
-
-	defaultL1MessageRelayMinGasLimit = 130000 // should be enough for both ERC20 and ETH relay
-
-	defaultL2MessageRelayMinGasLimit = 200000
-)

bridge/relayer/relayer_test.go

@@ -1,108 +0,0 @@
-package relayer_test
-
-import (
-	"encoding/json"
-	"os"
-	"testing"
-
-	"github.com/scroll-tech/go-ethereum/ethclient"
-	"github.com/scroll-tech/go-ethereum/log"
-	"github.com/stretchr/testify/assert"
-
-	"scroll-tech/common/docker"
-	"scroll-tech/common/types"
-
-	"scroll-tech/bridge/config"
-)
-
-var (
-	// config
-	cfg *config.Config
-
-	base *docker.App
-
-	// l2geth client
-	l2Cli *ethclient.Client
-
-	// block trace
-	wrappedBlock1 *types.WrappedBlock
-	wrappedBlock2 *types.WrappedBlock
-
-	// batch data
-	batchData1 *types.BatchData
-	batchData2 *types.BatchData
-)
-
-func setupEnv(t *testing.T) (err error) {
-	// Load config.
-	cfg, err = config.NewConfig("../config.json")
-	assert.NoError(t, err)
-
-	base.RunImages(t)
-
-	cfg.L2Config.RelayerConfig.SenderConfig.Endpoint = base.L1gethImg.Endpoint()
-	cfg.L1Config.RelayerConfig.SenderConfig.Endpoint = base.L2gethImg.Endpoint()
-	cfg.DBConfig = base.DBConfig
-
-	// Create l2geth client.
-	l2Cli, err = base.L2Client()
-	assert.NoError(t, err)
-
-	templateBlockTrace1, err := os.ReadFile("../../common/testdata/blockTrace_02.json")
-	if err != nil {
-		return err
-	}
-	// unmarshal blockTrace
-	wrappedBlock1 = &types.WrappedBlock{}
-	if err = json.Unmarshal(templateBlockTrace1, wrappedBlock1); err != nil {
-		return err
-	}
-	parentBatch1 := &types.BlockBatch{
-		Index:     0,
-		Hash:      "0x0cc6b102c2924402c14b2e3a19baccc316252bfdc44d9ec62e942d34e39ec729",
-		StateRoot: "0x2579122e8f9ec1e862e7d415cef2fb495d7698a8e5f0dddc5651ba4236336e7d",
-	}
-	batchData1 = types.NewBatchData(parentBatch1, []*types.WrappedBlock{wrappedBlock1}, nil)
-
-	templateBlockTrace2, err := os.ReadFile("../../common/testdata/blockTrace_03.json")
-	if err != nil {
-		return err
-	}
-	// unmarshal blockTrace
-	wrappedBlock2 = &types.WrappedBlock{}
-	if err = json.Unmarshal(templateBlockTrace2, wrappedBlock2); err != nil {
-		return err
-	}
-	parentBatch2 := &types.BlockBatch{
-		Index:     batchData1.Batch.BatchIndex,
-		Hash:      batchData1.Hash().Hex(),
-		StateRoot: batchData1.Batch.NewStateRoot.String(),
-	}
-	batchData2 = types.NewBatchData(parentBatch2, []*types.WrappedBlock{wrappedBlock2}, nil)
-
-	log.Info("batchHash", "batchhash1", batchData1.Hash().Hex(), "batchhash2", batchData2.Hash().Hex())
-
-	return err
-}
-
-func TestMain(m *testing.M) {
-	base = docker.NewDockerApp()
-
-	m.Run()
-
-	base.Free()
-}
-
-func TestFunctions(t *testing.T) {
-	if err := setupEnv(t); err != nil {
-		t.Fatal(err)
-	}
-	// Run l1 relayer test cases.
-	t.Run("TestCreateNewL1Relayer", testCreateNewL1Relayer)
-	// Run l2 relayer test cases.
-	t.Run("TestCreateNewRelayer", testCreateNewRelayer)
-	t.Run("TestL2RelayerProcessSaveEvents", testL2RelayerProcessSaveEvents)
-	t.Run("TestL2RelayerProcessCommittedBatches", testL2RelayerProcessCommittedBatches)
-	t.Run("TestL2RelayerSkipBatches", testL2RelayerSkipBatches)
-
-}

bridge/sender/estimategas.go

@@ -1,73 +0,0 @@
-package sender
-
-import (
-	"math/big"
-	"sync/atomic"
-
-	"github.com/scroll-tech/go-ethereum"
-	"github.com/scroll-tech/go-ethereum/accounts/abi/bind"
-	"github.com/scroll-tech/go-ethereum/common"
-)
-
-func (s *Sender) estimateLegacyGas(auth *bind.TransactOpts, contract *common.Address, value *big.Int, input []byte, minGasLimit uint64) (*FeeData, error) {
-	gasPrice, err := s.client.SuggestGasPrice(s.ctx)
-	if err != nil {
-		return nil, err
-	}
-	gasLimit, err := s.estimateGasLimit(auth, contract, input, gasPrice, nil, nil, value, minGasLimit)
-	if err != nil {
-		return nil, err
-	}
-	return &FeeData{
-		gasPrice: gasPrice,
-		gasLimit: gasLimit,
-	}, nil
-}
-
-func (s *Sender) estimateDynamicGas(auth *bind.TransactOpts, contract *common.Address, value *big.Int, input []byte, minGasLimit uint64) (*FeeData, error) {
-	gasTipCap, err := s.client.SuggestGasTipCap(s.ctx)
-	if err != nil {
-		return nil, err
-	}
-
-	baseFee := big.NewInt(0)
-	if feeGas := atomic.LoadUint64(&s.baseFeePerGas); feeGas != 0 {
-		baseFee.SetUint64(feeGas)
-	}
-	gasFeeCap := new(big.Int).Add(
-		gasTipCap,
-		new(big.Int).Mul(baseFee, big.NewInt(2)),
-	)
-	gasLimit, err := s.estimateGasLimit(auth, contract, input, nil, gasTipCap, gasFeeCap, value, minGasLimit)
-	if err != nil {
-		return nil, err
-	}
-	return &FeeData{
-		gasLimit:  gasLimit,
-		gasTipCap: gasTipCap,
-		gasFeeCap: gasFeeCap,
-	}, nil
-}
-
-func (s *Sender) estimateGasLimit(opts *bind.TransactOpts, contract *common.Address, input []byte, gasPrice, gasTipCap, gasFeeCap, value *big.Int, minGasLimit uint64) (uint64, error) {
-	msg := ethereum.CallMsg{
-		From:      opts.From,
-		To:        contract,
-		GasPrice:  gasPrice,
-		GasTipCap: gasTipCap,
-		GasFeeCap: gasFeeCap,
-		Value:     value,
-		Data:      input,
-	}
-	gasLimit, err := s.client.EstimateGas(s.ctx, msg)
-	if err != nil {
-		return 0, err
-	}
-	if minGasLimit > gasLimit {
-		gasLimit = minGasLimit
-	}
-
-	gasLimit = gasLimit * 15 / 10 // 50% extra gas to void out of gas error
-
-	return gasLimit, nil
-}

bridge/sender/sender.go

@@ -6,19 +6,23 @@ import (
 	"errors"
 	"fmt"
 	"math/big"
+	"reflect"
 	"strings"
+	"sync"
 	"sync/atomic"
 	"time"
 
-	cmapV2 "github.com/orcaman/concurrent-map/v2"
+	geth "github.com/scroll-tech/go-ethereum"
 	"github.com/scroll-tech/go-ethereum/accounts/abi/bind"
 	"github.com/scroll-tech/go-ethereum/common"
+	"github.com/scroll-tech/go-ethereum/common/math"
 	"github.com/scroll-tech/go-ethereum/core/types"
 	"github.com/scroll-tech/go-ethereum/ethclient"
 	"github.com/scroll-tech/go-ethereum/log"
 
-	"scroll-tech/bridge/config"
 	"scroll-tech/bridge/utils"
+
+	"scroll-tech/bridge/config"
 )
 
 const (
@@ -35,12 +39,6 @@ const (
 var (
 	// ErrNoAvailableAccount indicates no available account error in the account pool.
 	ErrNoAvailableAccount = errors.New("sender has no available account to send transaction")
-	// ErrFullPending sender's pending pool is full.
-	ErrFullPending = errors.New("sender's pending pool is full")
-)
-
-var (
-	defaultPendingLimit = 10
 )
 
 // Confirmation struct used to indicate transaction confirmation details
@@ -78,9 +76,9 @@ type Sender struct {
 	// account fields.
 	auths *accountPool
 
-	blockNumber   uint64                                            // Current block number on chain.
-	baseFeePerGas uint64                                            // Current base fee per gas on chain
-	pendingTxs    cmapV2.ConcurrentMap[string, *PendingTransaction] // Mapping from nonce to pending transaction
+	blockNumber   uint64   // Current block number on chain.
+	baseFeePerGas uint64   // Current base fee per gas on chain
+	pendingTxs    sync.Map // Mapping from nonce to pending transaction
 	confirmCh     chan *Confirmation
 
 	stopCh chan struct{}
@@ -120,11 +118,6 @@ func NewSender(ctx context.Context, config *config.SenderConfig, privs []*ecdsa.
 		}
 	}
 
-	// initialize pending limit with a default value
-	if config.PendingLimit == 0 {
-		config.PendingLimit = defaultPendingLimit
-	}
-
 	sender := &Sender{
 		ctx:           ctx,
 		config:        config,
@@ -134,7 +127,7 @@ func NewSender(ctx context.Context, config *config.SenderConfig, privs []*ecdsa.
 		confirmCh:     make(chan *Confirmation, 128),
 		blockNumber:   header.Number.Uint64(),
 		baseFeePerGas: baseFeePerGas,
-		pendingTxs:    cmapV2.New[*PendingTransaction](),
+		pendingTxs:    sync.Map{},
 		stopCh:        make(chan struct{}),
 	}
 
@@ -143,21 +136,6 @@ func NewSender(ctx context.Context, config *config.SenderConfig, privs []*ecdsa.
 	return sender, nil
 }
 
-// PendingCount returns the current number of pending txs.
-func (s *Sender) PendingCount() int {
-	return s.pendingTxs.Count()
-}
-
-// PendingLimit returns the maximum number of pending txs the sender can handle.
-func (s *Sender) PendingLimit() int {
-	return s.config.PendingLimit
-}
-
-// IsFull returns true if the sender's pending tx pool is full.
-func (s *Sender) IsFull() bool {
-	return s.pendingTxs.Count() >= s.config.PendingLimit
-}
-
 // Stop stop the sender module.
 func (s *Sender) Stop() {
 	close(s.stopCh)
@@ -174,33 +152,57 @@ func (s *Sender) NumberOfAccounts() int {
 	return len(s.auths.accounts)
 }
 
-func (s *Sender) getFeeData(auth *bind.TransactOpts, target *common.Address, value *big.Int, data []byte, minGasLimit uint64) (*FeeData, error) {
-	if s.config.TxType == DynamicFeeTxType {
-		return s.estimateDynamicGas(auth, target, value, data, minGasLimit)
+func (s *Sender) getFeeData(auth *bind.TransactOpts, target *common.Address, value *big.Int, data []byte) (*FeeData, error) {
+	// estimate gas limit
+	gasLimit, err := s.client.EstimateGas(s.ctx, geth.CallMsg{From: auth.From, To: target, Value: value, Data: data})
+	if err != nil {
+		return nil, err
 	}
-	return s.estimateLegacyGas(auth, target, value, data, minGasLimit)
+	gasLimit = gasLimit * 15 / 10 // 50% extra gas to void out of gas error
+	// @todo change it when Scroll enable EIP1559
+	if s.config.TxType != DynamicFeeTxType {
+		// estimate gas price
+		var gasPrice *big.Int
+		gasPrice, err = s.client.SuggestGasPrice(s.ctx)
+		if err != nil {
+			return nil, err
+		}
+		return &FeeData{
+			gasPrice: gasPrice,
+			gasLimit: gasLimit,
+		}, nil
+	}
+	gasTipCap, err := s.client.SuggestGasTipCap(s.ctx)
+	if err != nil {
+		return nil, err
+	}
+	// Make sure feeCap is bigger than txpool's gas price. 1000000000 is l2geth's default pool.gas value.
+	baseFee := atomic.LoadUint64(&s.baseFeePerGas)
+	maxFeePerGas := math.BigMax(big.NewInt(int64(baseFee)), big.NewInt(1000000000))
+	return &FeeData{
+		gasFeeCap: math.BigMax(maxFeePerGas, gasTipCap),
+		gasTipCap: math.BigMin(maxFeePerGas, gasTipCap),
+		gasLimit:  gasLimit,
+	}, nil
 }
 
 // SendTransaction send a signed L2tL1 transaction.
-func (s *Sender) SendTransaction(ID string, target *common.Address, value *big.Int, data []byte, minGasLimit uint64) (hash common.Hash, err error) {
-	if s.IsFull() {
-		return common.Hash{}, ErrFullPending
-	}
+func (s *Sender) SendTransaction(ID string, target *common.Address, value *big.Int, data []byte) (hash common.Hash, err error) {
 	// We occupy the ID, in case some other threads call with the same ID in the same time
-	if ok := s.pendingTxs.SetIfAbsent(ID, nil); !ok {
+	if _, loaded := s.pendingTxs.LoadOrStore(ID, nil); loaded {
 		return common.Hash{}, fmt.Errorf("has the repeat tx ID, ID: %s", ID)
 	}
 	// get
 	auth := s.auths.getAccount()
 	if auth == nil {
-		s.pendingTxs.Remove(ID) // release the ID on failure
+		s.pendingTxs.Delete(ID) // release the ID on failure
 		return common.Hash{}, ErrNoAvailableAccount
 	}
 
 	defer s.auths.releaseAccount(auth)
 	defer func() {
 		if err != nil {
-			s.pendingTxs.Remove(ID) // release the ID on failure
+			s.pendingTxs.Delete(ID) // release the ID on failure
 		}
 	}()
 
@@ -209,7 +211,7 @@ func (s *Sender) SendTransaction(ID string, target *common.Address, value *big.I
 		tx      *types.Transaction
 	)
 	// estimate gas fee
-	if feeData, err = s.getFeeData(auth, target, value, data, minGasLimit); err != nil {
+	if feeData, err = s.getFeeData(auth, target, value, data); err != nil {
 		return
 	}
 	if tx, err = s.createAndSendTx(auth, feeData, target, value, data, nil); err == nil {
@@ -221,7 +223,7 @@ func (s *Sender) SendTransaction(ID string, target *common.Address, value *big.I
 			submitAt: atomic.LoadUint64(&s.blockNumber),
 			feeData:  feeData,
 		}
-		s.pendingTxs.Set(ID, pending)
+		s.pendingTxs.Store(ID, pending)
 		return tx.Hash(), nil
 	}
 
@@ -362,17 +364,17 @@ func (s *Sender) checkPendingTransaction(header *types.Header, confirmed uint64)
 		}
 	}
 
-	for item := range s.pendingTxs.IterBuffered() {
-		key, pending := item.Key, item.Val
+	s.pendingTxs.Range(func(key, value interface{}) bool {
 		// ignore empty id, since we use empty id to occupy pending task
-		if pending == nil {
-			continue
+		if value == nil || reflect.ValueOf(value).IsNil() {
+			return true
 		}
 
+		pending := value.(*PendingTransaction)
 		receipt, err := s.client.TransactionReceipt(s.ctx, pending.tx.Hash())
 		if (err == nil) && (receipt != nil) {
 			if receipt.BlockNumber.Uint64() <= confirmed {
-				s.pendingTxs.Remove(key)
+				s.pendingTxs.Delete(key)
 				// send confirm message
 				s.confirmCh <- &Confirmation{
 					ID:           pending.id,
@@ -403,7 +405,7 @@ func (s *Sender) checkPendingTransaction(header *types.Header, confirmed uint64)
 				// We need to stop the program and manually handle the situation.
 				if strings.Contains(err.Error(), "nonce") {
 					// This key can be deleted
-					s.pendingTxs.Remove(key)
+					s.pendingTxs.Delete(key)
 					// Try get receipt by the latest replaced tx hash
 					receipt, err := s.client.TransactionReceipt(s.ctx, pending.tx.Hash())
 					if (err == nil) && (receipt != nil) {
@@ -425,7 +427,8 @@ func (s *Sender) checkPendingTransaction(header *types.Header, confirmed uint64)
 				pending.submitAt = number
 			}
 		}
-	}
+		return true
+	})
 }
 
 // Loop is the main event loop
@@ -433,7 +436,7 @@ func (s *Sender) loop(ctx context.Context) {
 	checkTick := time.NewTicker(time.Duration(s.config.CheckPendingTime) * time.Second)
 	defer checkTick.Stop()
 
-	checkBalanceTicker := time.NewTicker(time.Duration(s.config.CheckBalanceTime) * time.Second)
+	checkBalanceTicker := time.NewTicker(time.Minute * 10)
 	defer checkBalanceTicker.Stop()
 
 	for {

bridge/sender/sender_test.go

@@ -14,7 +14,6 @@ import (
 	cmap "github.com/orcaman/concurrent-map"
 	"github.com/scroll-tech/go-ethereum/common"
 	"github.com/scroll-tech/go-ethereum/crypto"
-	"github.com/scroll-tech/go-ethereum/ethclient"
 	"github.com/scroll-tech/go-ethereum/rpc"
 	"github.com/stretchr/testify/assert"
 
@@ -29,81 +28,35 @@ const TXBatch = 50
 var (
 	privateKeys []*ecdsa.PrivateKey
 	cfg         *config.Config
-	base        *docker.App
+	l2gethImg   docker.ImgInstance
 )
 
-func TestMain(m *testing.M) {
-	base = docker.NewDockerApp()
-
-	m.Run()
-
-	base.Free()
-}
-
 func setupEnv(t *testing.T) {
 	var err error
 	cfg, err = config.NewConfig("../config.json")
 	assert.NoError(t, err)
-	base.RunImages(t)
+
 	priv, err := crypto.HexToECDSA("1212121212121212121212121212121212121212121212121212121212121212")
 	assert.NoError(t, err)
 	// Load default private key.
 	privateKeys = []*ecdsa.PrivateKey{priv}
 
-	cfg.L1Config.RelayerConfig.SenderConfig.Endpoint = base.L2gethImg.Endpoint()
+	l2gethImg = docker.NewTestL2Docker(t)
+	cfg.L1Config.RelayerConfig.SenderConfig.Endpoint = l2gethImg.Endpoint()
 }
 
 func TestSender(t *testing.T) {
 	// Setup
 	setupEnv(t)
 
-	t.Run("test pending limit", func(t *testing.T) { testPendLimit(t) })
-
-	t.Run("test min gas limit", func(t *testing.T) { testMinGasLimit(t) })
-
 	t.Run("test 1 account sender", func(t *testing.T) { testBatchSender(t, 1) })
 	t.Run("test 3 account sender", func(t *testing.T) { testBatchSender(t, 3) })
 	t.Run("test 8 account sender", func(t *testing.T) { testBatchSender(t, 8) })
-}
 
-func testPendLimit(t *testing.T) {
-	senderCfg := cfg.L1Config.RelayerConfig.SenderConfig
-	senderCfg.Confirmations = rpc.LatestBlockNumber
-	senderCfg.PendingLimit = 2
-	newSender, err := sender.NewSender(context.Background(), senderCfg, privateKeys)
-	assert.NoError(t, err)
-	defer newSender.Stop()
-
-	for i := 0; i < newSender.PendingLimit(); i++ {
-		_, err = newSender.SendTransaction(strconv.Itoa(i), &common.Address{}, big.NewInt(1), nil, 0)
-		assert.NoError(t, err)
-	}
-	assert.True(t, newSender.PendingCount() <= newSender.PendingLimit())
-}
-
-func testMinGasLimit(t *testing.T) {
-	senderCfg := cfg.L1Config.RelayerConfig.SenderConfig
-	senderCfg.Confirmations = rpc.LatestBlockNumber
-	newSender, err := sender.NewSender(context.Background(), senderCfg, privateKeys)
-	assert.NoError(t, err)
-	defer newSender.Stop()
-
-	client, err := ethclient.Dial(senderCfg.Endpoint)
-	assert.NoError(t, err)
-
-	// MinGasLimit = 0
-	txHash0, err := newSender.SendTransaction("0", &common.Address{}, big.NewInt(1), nil, 0)
-	assert.NoError(t, err)
-	tx0, _, err := client.TransactionByHash(context.Background(), txHash0)
-	assert.NoError(t, err)
-	assert.Greater(t, tx0.Gas(), uint64(0))
-
-	// MinGasLimit = 100000
-	txHash1, err := newSender.SendTransaction("1", &common.Address{}, big.NewInt(1), nil, 100000)
-	assert.NoError(t, err)
-	tx1, _, err := client.TransactionByHash(context.Background(), txHash1)
-	assert.NoError(t, err)
-	assert.Equal(t, tx1.Gas(), uint64(150000))
+	// Teardown
+	t.Cleanup(func() {
+		assert.NoError(t, l2gethImg.Stop())
+	})
 }
 
 func testBatchSender(t *testing.T, batchSize int) {
@@ -117,7 +70,6 @@ func testBatchSender(t *testing.T, batchSize int) {
 
 	senderCfg := cfg.L1Config.RelayerConfig.SenderConfig
 	senderCfg.Confirmations = rpc.LatestBlockNumber
-	senderCfg.PendingLimit = batchSize * TXBatch
 	newSender, err := sender.NewSender(context.Background(), senderCfg, privateKeys)
 	if err != nil {
 		t.Fatal(err)
@@ -136,8 +88,8 @@ func testBatchSender(t *testing.T, batchSize int) {
 			for i := 0; i < TXBatch; i++ {
 				toAddr := common.HexToAddress("0x4592d8f8d7b001e72cb26a73e4fa1806a51ac79d")
 				id := strconv.Itoa(i + index*1000)
-				_, err := newSender.SendTransaction(id, &toAddr, big.NewInt(1), nil, 0)
-				if errors.Is(err, sender.ErrNoAvailableAccount) || errors.Is(err, sender.ErrFullPending) {
+				_, err := newSender.SendTransaction(id, &toAddr, big.NewInt(1), nil)
+				if errors.Is(err, sender.ErrNoAvailableAccount) {
 					<-time.After(time.Second)
 					continue
 				}

bridge/tests/bridge_test.go

@@ -26,7 +26,11 @@ var (
 
 	// private key
 	privateKey *ecdsa.PrivateKey
-	base       *docker.App
+
+	// docker consider handler.
+	l1gethImg docker.ImgInstance
+	l2gethImg docker.ImgInstance
+	dbImg     docker.ImgInstance
 
 	// clients
 	l1Client *ethclient.Client
@@ -49,14 +53,6 @@ var (
 	l2MessengerAddress  common.Address
 )
 
-func TestMain(m *testing.M) {
-	base = docker.NewDockerApp()
-
-	m.Run()
-
-	base.Free()
-}
-
 func setupEnv(t *testing.T) {
 	var err error
 	privateKey, err = crypto.ToECDSA(common.FromHex("1212121212121212121212121212121212121212121212121212121212121212"))
@@ -79,18 +75,20 @@ func setupEnv(t *testing.T) {
 	cfg.L2Config.RelayerConfig.MessageSenderPrivateKeys = []*ecdsa.PrivateKey{messagePrivateKey}
 	cfg.L2Config.RelayerConfig.RollupSenderPrivateKeys = []*ecdsa.PrivateKey{rollupPrivateKey}
 	cfg.L2Config.RelayerConfig.GasOracleSenderPrivateKeys = []*ecdsa.PrivateKey{gasOraclePrivateKey}
-	base.RunImages(t)
 
 	// Create l1geth container.
-	cfg.L2Config.RelayerConfig.SenderConfig.Endpoint = base.L1gethImg.Endpoint()
-	cfg.L1Config.Endpoint = base.L1gethImg.Endpoint()
+	l1gethImg = docker.NewTestL1Docker(t)
+	cfg.L2Config.RelayerConfig.SenderConfig.Endpoint = l1gethImg.Endpoint()
+	cfg.L1Config.Endpoint = l1gethImg.Endpoint()
 
 	// Create l2geth container.
-	cfg.L1Config.RelayerConfig.SenderConfig.Endpoint = base.L2gethImg.Endpoint()
-	cfg.L2Config.Endpoint = base.L2gethImg.Endpoint()
+	l2gethImg = docker.NewTestL2Docker(t)
+	cfg.L1Config.RelayerConfig.SenderConfig.Endpoint = l2gethImg.Endpoint()
+	cfg.L2Config.Endpoint = l2gethImg.Endpoint()
 
 	// Create db container.
-	cfg.DBConfig = base.DBConfig
+	dbImg = docker.NewTestDBDocker(t, cfg.DBConfig.DriverName)
+	cfg.DBConfig.DSN = dbImg.Endpoint()
 
 	// Create l1geth and l2geth client.
 	l1Client, err = ethclient.Dial(cfg.L1Config.Endpoint)
@@ -146,6 +144,18 @@ func transferEther(t *testing.T, auth *bind.TransactOpts, client *ethclient.Clie
 	}
 }
 
+func free(t *testing.T) {
+	if dbImg != nil {
+		assert.NoError(t, dbImg.Stop())
+	}
+	if l1gethImg != nil {
+		assert.NoError(t, l1gethImg.Stop())
+	}
+	if l2gethImg != nil {
+		assert.NoError(t, l2gethImg.Stop())
+	}
+}
+
 func prepareContracts(t *testing.T) {
 	var err error
 	var tx *types.Transaction
@@ -207,4 +217,7 @@ func TestFunction(t *testing.T) {
 	t.Run("TestImportL1GasPrice", testImportL1GasPrice)
 	t.Run("TestImportL2GasPrice", testImportL2GasPrice)
 
+	t.Cleanup(func() {
+		free(t)
+	})
 }

bridge/tests/gas_oracle_test.go

@@ -11,8 +11,8 @@ import (
 
 	"scroll-tech/common/types"
 
-	"scroll-tech/bridge/relayer"
-	"scroll-tech/bridge/watcher"
+	"scroll-tech/bridge/l1"
+	"scroll-tech/bridge/l2"
 
 	"scroll-tech/database"
 	"scroll-tech/database/migrate"
@@ -30,13 +30,14 @@ func testImportL1GasPrice(t *testing.T) {
 	l1Cfg := cfg.L1Config
 
 	// Create L1Relayer
-	l1Relayer, err := relayer.NewLayer1Relayer(context.Background(), db, l1Cfg.RelayerConfig)
+	l1Relayer, err := l1.NewLayer1Relayer(context.Background(), db, l1Cfg.RelayerConfig)
 	assert.NoError(t, err)
+	defer l1Relayer.Stop()
 
 	// Create L1Watcher
 	startHeight, err := l1Client.BlockNumber(context.Background())
 	assert.NoError(t, err)
-	l1Watcher := watcher.NewL1WatcherClient(context.Background(), l1Client, startHeight-1, 0, l1Cfg.L1MessengerAddress, l1Cfg.L1MessageQueueAddress, l1Cfg.ScrollChainContractAddress, db)
+	l1Watcher := l1.NewWatcher(context.Background(), l1Client, startHeight-1, 0, l1Cfg.L1MessengerAddress, l1Cfg.L1MessageQueueAddress, l1Cfg.ScrollChainContractAddress, db)
 
 	// fetch new blocks
 	number, err := l1Client.BlockNumber(context.Background())
@@ -80,11 +81,12 @@ func testImportL2GasPrice(t *testing.T) {
 	l2Cfg := cfg.L2Config
 
 	// Create L2Relayer
-	l2Relayer, err := relayer.NewLayer2Relayer(context.Background(), l2Client, db, l2Cfg.RelayerConfig)
+	l2Relayer, err := l2.NewLayer2Relayer(context.Background(), l2Client, db, l2Cfg.RelayerConfig)
 	assert.NoError(t, err)
+	defer l2Relayer.Stop()
 
 	// add fake blocks
-	traces := []*types.WrappedBlock{
+	traces := []*geth_types.BlockTrace{
 		{
 			Header: &geth_types.Header{
 				Number:     big.NewInt(1),
@@ -92,17 +94,17 @@ func testImportL2GasPrice(t *testing.T) {
 				Difficulty: big.NewInt(0),
 				BaseFee:    big.NewInt(0),
 			},
-			Transactions:     nil,
-			WithdrawTrieRoot: common.Hash{},
+			StorageTrace: &geth_types.StorageTrace{},
 		},
 	}
-	assert.NoError(t, db.InsertWrappedBlocks(traces))
+	err = db.InsertL2BlockTraces(traces)
+	assert.NoError(t, err)
 
 	parentBatch := &types.BlockBatch{
 		Index: 0,
 		Hash:  "0x0000000000000000000000000000000000000000",
 	}
-	batchData := types.NewBatchData(parentBatch, []*types.WrappedBlock{
+	batchData := types.NewBatchData(parentBatch, []*geth_types.BlockTrace{
 		traces[0],
 	}, cfg.L2Config.BatchProposerConfig.PublicInputConfig)
 

bridge/tests/l1_message_relay_test.go

@@ -13,8 +13,8 @@ import (
 
 	"scroll-tech/common/types"
 
-	"scroll-tech/bridge/relayer"
-	"scroll-tech/bridge/watcher"
+	"scroll-tech/bridge/l1"
+	"scroll-tech/bridge/l2"
 
 	"scroll-tech/database"
 	"scroll-tech/database/migrate"
@@ -33,14 +33,16 @@ func testRelayL1MessageSucceed(t *testing.T) {
 	l2Cfg := cfg.L2Config
 
 	// Create L1Relayer
-	l1Relayer, err := relayer.NewLayer1Relayer(context.Background(), db, l1Cfg.RelayerConfig)
+	l1Relayer, err := l1.NewLayer1Relayer(context.Background(), db, l1Cfg.RelayerConfig)
 	assert.NoError(t, err)
+	defer l1Relayer.Stop()
+
 	// Create L1Watcher
 	confirmations := rpc.LatestBlockNumber
-	l1Watcher := watcher.NewL1WatcherClient(context.Background(), l1Client, 0, confirmations, l1Cfg.L1MessengerAddress, l1Cfg.L1MessageQueueAddress, l1Cfg.ScrollChainContractAddress, db)
+	l1Watcher := l1.NewWatcher(context.Background(), l1Client, 0, confirmations, l1Cfg.L1MessengerAddress, l1Cfg.L1MessageQueueAddress, l1Cfg.ScrollChainContractAddress, db)
 
 	// Create L2Watcher
-	l2Watcher := watcher.NewL2WatcherClient(context.Background(), l2Client, confirmations, l2Cfg.L2MessengerAddress, l2Cfg.L2MessageQueueAddress, l2Cfg.WithdrawTrieRootSlot, db)
+	l2Watcher := l2.NewL2WatcherClient(context.Background(), l2Client, confirmations, l2Cfg.L2MessengerAddress, l2Cfg.L2MessageQueueAddress, db)
 
 	// send message through l1 messenger contract
 	nonce, err := l1MessengerInstance.MessageNonce(&bind.CallOpts{})
@@ -54,7 +56,7 @@ func testRelayL1MessageSucceed(t *testing.T) {
 	}
 
 	// l1 watch process events
-	l1Watcher.FetchContractEvent()
+	l1Watcher.FetchContractEvent(sendReceipt.BlockNumber.Uint64())
 
 	// check db status
 	msg, err := db.GetL1MessageByQueueIndex(nonce.Uint64())
@@ -77,7 +79,7 @@ func testRelayL1MessageSucceed(t *testing.T) {
 	assert.Equal(t, len(relayTxReceipt.Logs), 1)
 
 	// fetch message relayed events
-	l2Watcher.FetchContractEvent()
+	l2Watcher.FetchContractEvent(relayTxReceipt.BlockNumber.Uint64())
 	msg, err = db.GetL1MessageByQueueIndex(nonce.Uint64())
 	assert.NoError(t, err)
 	assert.Equal(t, msg.Status, types.MsgConfirmed)

bridge/tests/l2_message_relay_test.go

@@ -13,8 +13,8 @@ import (
 
 	"scroll-tech/common/types"
 
-	"scroll-tech/bridge/relayer"
-	"scroll-tech/bridge/watcher"
+	"scroll-tech/bridge/l1"
+	"scroll-tech/bridge/l2"
 
 	"scroll-tech/database"
 	"scroll-tech/database/migrate"
@@ -33,15 +33,15 @@ func testRelayL2MessageSucceed(t *testing.T) {
 
 	// Create L2Watcher
 	confirmations := rpc.LatestBlockNumber
-	l2Watcher := watcher.NewL2WatcherClient(context.Background(), l2Client, confirmations, l2Cfg.L2MessengerAddress, l2Cfg.L2MessageQueueAddress, l2Cfg.WithdrawTrieRootSlot, db)
+	l2Watcher := l2.NewL2WatcherClient(context.Background(), l2Client, confirmations, l2Cfg.L2MessengerAddress, l2Cfg.L2MessageQueueAddress, db)
 
 	// Create L2Relayer
-	l2Relayer, err := relayer.NewLayer2Relayer(context.Background(), l2Client, db, l2Cfg.RelayerConfig)
+	l2Relayer, err := l2.NewLayer2Relayer(context.Background(), l2Client, db, l2Cfg.RelayerConfig)
 	assert.NoError(t, err)
 
 	// Create L1Watcher
 	l1Cfg := cfg.L1Config
-	l1Watcher := watcher.NewL1WatcherClient(context.Background(), l1Client, 0, confirmations, l1Cfg.L1MessengerAddress, l1Cfg.L1MessageQueueAddress, l1Cfg.ScrollChainContractAddress, db)
+	l1Watcher := l1.NewWatcher(context.Background(), l1Client, 0, confirmations, l1Cfg.L1MessengerAddress, l1Cfg.L1MessageQueueAddress, l1Cfg.ScrollChainContractAddress, db)
 
 	// send message through l2 messenger contract
 	nonce, err := l2MessengerInstance.MessageNonce(&bind.CallOpts{})
@@ -55,7 +55,7 @@ func testRelayL2MessageSucceed(t *testing.T) {
 	}
 
 	// l2 watch process events
-	l2Watcher.FetchContractEvent()
+	l2Watcher.FetchContractEvent(sendReceipt.BlockNumber.Uint64())
 
 	// check db status
 	msg, err := db.GetL2MessageByNonce(nonce.Uint64())
@@ -65,7 +65,7 @@ func testRelayL2MessageSucceed(t *testing.T) {
 	assert.Equal(t, msg.Target, l1Auth.From.String())
 
 	// add fake blocks
-	traces := []*types.WrappedBlock{
+	traces := []*geth_types.BlockTrace{
 		{
 			Header: &geth_types.Header{
 				Number:     sendReceipt.BlockNumber,
@@ -73,17 +73,17 @@ func testRelayL2MessageSucceed(t *testing.T) {
 				Difficulty: big.NewInt(0),
 				BaseFee:    big.NewInt(0),
 			},
-			Transactions:     nil,
-			WithdrawTrieRoot: common.Hash{},
+			StorageTrace: &geth_types.StorageTrace{},
 		},
 	}
-	assert.NoError(t, db.InsertWrappedBlocks(traces))
+	err = db.InsertL2BlockTraces(traces)
+	assert.NoError(t, err)
 
 	parentBatch := &types.BlockBatch{
 		Index: 0,
 		Hash:  "0x0000000000000000000000000000000000000000",
 	}
-	batchData := types.NewBatchData(parentBatch, []*types.WrappedBlock{
+	batchData := types.NewBatchData(parentBatch, []*geth_types.BlockTrace{
 		traces[0],
 	}, cfg.L2Config.BatchProposerConfig.PublicInputConfig)
 	batchHash := batchData.Hash().String()
@@ -123,7 +123,7 @@ func testRelayL2MessageSucceed(t *testing.T) {
 	assert.Equal(t, len(commitTxReceipt.Logs), 1)
 
 	// fetch CommitBatch rollup events
-	err = l1Watcher.FetchContractEvent()
+	err = l1Watcher.FetchContractEvent(commitTxReceipt.BlockNumber.Uint64())
 	assert.NoError(t, err)
 	status, err = db.GetRollupStatus(batchHash)
 	assert.NoError(t, err)
@@ -144,7 +144,7 @@ func testRelayL2MessageSucceed(t *testing.T) {
 	assert.Equal(t, len(finalizeTxReceipt.Logs), 1)
 
 	// fetch FinalizeBatch events
-	err = l1Watcher.FetchContractEvent()
+	err = l1Watcher.FetchContractEvent(finalizeTxReceipt.BlockNumber.Uint64())
 	assert.NoError(t, err)
 	status, err = db.GetRollupStatus(batchHash)
 	assert.NoError(t, err)
@@ -165,7 +165,7 @@ func testRelayL2MessageSucceed(t *testing.T) {
 	assert.Equal(t, len(relayTxReceipt.Logs), 1)
 
 	// fetch message relayed events
-	err = l1Watcher.FetchContractEvent()
+	err = l1Watcher.FetchContractEvent(relayTxReceipt.BlockNumber.Uint64())
 	assert.NoError(t, err)
 	msg, err = db.GetL2MessageByNonce(nonce.Uint64())
 	assert.NoError(t, err)

bridge/tests/rollup_test.go

@@ -12,8 +12,8 @@ import (
 
 	"scroll-tech/common/types"
 
-	"scroll-tech/bridge/relayer"
-	"scroll-tech/bridge/watcher"
+	"scroll-tech/bridge/l1"
+	"scroll-tech/bridge/l2"
 
 	"scroll-tech/database"
 	"scroll-tech/database/migrate"
@@ -30,15 +30,16 @@ func testCommitBatchAndFinalizeBatch(t *testing.T) {
 
 	// Create L2Relayer
 	l2Cfg := cfg.L2Config
-	l2Relayer, err := relayer.NewLayer2Relayer(context.Background(), l2Client, db, l2Cfg.RelayerConfig)
+	l2Relayer, err := l2.NewLayer2Relayer(context.Background(), l2Client, db, l2Cfg.RelayerConfig)
 	assert.NoError(t, err)
+	defer l2Relayer.Stop()
 
 	// Create L1Watcher
 	l1Cfg := cfg.L1Config
-	l1Watcher := watcher.NewL1WatcherClient(context.Background(), l1Client, 0, l1Cfg.Confirmations, l1Cfg.L1MessengerAddress, l1Cfg.L1MessageQueueAddress, l1Cfg.ScrollChainContractAddress, db)
+	l1Watcher := l1.NewWatcher(context.Background(), l1Client, 0, l1Cfg.Confirmations, l1Cfg.L1MessengerAddress, l1Cfg.L1MessageQueueAddress, l1Cfg.ScrollChainContractAddress, db)
 
 	// add some blocks to db
-	var wrappedBlocks []*types.WrappedBlock
+	var traces []*geth_types.BlockTrace
 	var parentHash common.Hash
 	for i := 1; i <= 10; i++ {
 		header := geth_types.Header{
@@ -47,22 +48,22 @@ func testCommitBatchAndFinalizeBatch(t *testing.T) {
 			Difficulty: big.NewInt(0),
 			BaseFee:    big.NewInt(0),
 		}
-		wrappedBlocks = append(wrappedBlocks, &types.WrappedBlock{
-			Header:           &header,
-			Transactions:     nil,
-			WithdrawTrieRoot: common.Hash{},
+		traces = append(traces, &geth_types.BlockTrace{
+			Header:       &header,
+			StorageTrace: &geth_types.StorageTrace{},
 		})
 		parentHash = header.Hash()
 	}
-	assert.NoError(t, db.InsertWrappedBlocks(wrappedBlocks))
+	err = db.InsertL2BlockTraces(traces)
+	assert.NoError(t, err)
 
 	parentBatch := &types.BlockBatch{
 		Index: 0,
 		Hash:  "0x0000000000000000000000000000000000000000",
 	}
-	batchData := types.NewBatchData(parentBatch, []*types.WrappedBlock{
-		wrappedBlocks[0],
-		wrappedBlocks[1],
+	batchData := types.NewBatchData(parentBatch, []*geth_types.BlockTrace{
+		traces[0],
+		traces[1],
 	}, cfg.L2Config.BatchProposerConfig.PublicInputConfig)
 
 	batchHash := batchData.Hash().String()
@@ -95,7 +96,7 @@ func testCommitBatchAndFinalizeBatch(t *testing.T) {
 	assert.Equal(t, len(commitTxReceipt.Logs), 1)
 
 	// fetch rollup events
-	err = l1Watcher.FetchContractEvent()
+	err = l1Watcher.FetchContractEvent(commitTxReceipt.BlockNumber.Uint64())
 	assert.NoError(t, err)
 	status, err = db.GetRollupStatus(batchHash)
 	assert.NoError(t, err)
@@ -125,7 +126,7 @@ func testCommitBatchAndFinalizeBatch(t *testing.T) {
 	assert.Equal(t, len(finalizeTxReceipt.Logs), 1)
 
 	// fetch rollup events
-	err = l1Watcher.FetchContractEvent()
+	err = l1Watcher.FetchContractEvent(finalizeTxReceipt.BlockNumber.Uint64())
 	assert.NoError(t, err)
 	status, err = db.GetRollupStatus(batchHash)
 	assert.NoError(t, err)

bridge/utils/utils.go

@@ -29,6 +29,19 @@ func ComputeMessageHash(
 	return common.BytesToHash(crypto.Keccak256(data))
 }
 
+// BufferToUint256Be convert bytes array to uint256 array assuming big-endian
+func BufferToUint256Be(buffer []byte) []*big.Int {
+	buffer256 := make([]*big.Int, len(buffer)/32)
+	for i := 0; i < len(buffer)/32; i++ {
+		buffer256[i] = big.NewInt(0)
+		for j := 0; j < 32; j++ {
+			buffer256[i] = buffer256[i].Lsh(buffer256[i], 8)
+			buffer256[i] = buffer256[i].Add(buffer256[i], big.NewInt(int64(buffer[i*32+j])))
+		}
+	}
+	return buffer256
+}
+
 // BufferToUint256Le convert bytes array to uint256 array assuming little-endian
 func BufferToUint256Le(buffer []byte) []*big.Int {
 	buffer256 := make([]*big.Int, len(buffer)/32)
@@ -63,3 +76,23 @@ func UnpackLog(c *abi.ABI, out interface{}, event string, log types.Log) error {
 	}
 	return abi.ParseTopics(out, indexed, log.Topics[1:])
 }
+
+// UnpackLogIntoMap unpacks a retrieved log into the provided map.
+// @todo: add unit test.
+func UnpackLogIntoMap(c *abi.ABI, out map[string]interface{}, event string, log types.Log) error {
+	if log.Topics[0] != c.Events[event].ID {
+		return fmt.Errorf("event signature mismatch")
+	}
+	if len(log.Data) > 0 {
+		if err := c.UnpackIntoMap(out, event, log.Data); err != nil {
+			return err
+		}
+	}
+	var indexed abi.Arguments
+	for _, arg := range c.Events[event].Inputs {
+		if arg.Indexed {
+			indexed = append(indexed, arg)
+		}
+	}
+	return abi.ParseTopicsIntoMap(out, indexed, log.Topics[1:])
+}

bridge/watcher/common.go

@@ -1,11 +0,0 @@
-package watcher
-
-import "github.com/scroll-tech/go-ethereum/common"
-
-const contractEventsBlocksFetchLimit = int64(10)
-
-type relayedMessage struct {
-	msgHash      common.Hash
-	txHash       common.Hash
-	isSuccessful bool
-}

bridge/watcher/watcher_test.go

@@ -1,91 +0,0 @@
-package watcher_test
-
-import (
-	"encoding/json"
-	"os"
-	"testing"
-
-	"github.com/scroll-tech/go-ethereum/ethclient"
-	"github.com/stretchr/testify/assert"
-
-	"scroll-tech/common/docker"
-	"scroll-tech/common/types"
-
-	"scroll-tech/bridge/config"
-)
-
-var (
-	// config
-	cfg *config.Config
-
-	base *docker.App
-
-	// l2geth client
-	l2Cli *ethclient.Client
-
-	// block trace
-	wrappedBlock1 *types.WrappedBlock
-	wrappedBlock2 *types.WrappedBlock
-)
-
-func setupEnv(t *testing.T) (err error) {
-	// Load config.
-	cfg, err = config.NewConfig("../config.json")
-	assert.NoError(t, err)
-
-	base.RunImages(t)
-
-	cfg.L2Config.RelayerConfig.SenderConfig.Endpoint = base.L1gethImg.Endpoint()
-	cfg.L1Config.RelayerConfig.SenderConfig.Endpoint = base.L2gethImg.Endpoint()
-	cfg.DBConfig = base.DBConfig
-
-	// Create l2geth client.
-	l2Cli, err = base.L2Client()
-	assert.NoError(t, err)
-
-	templateBlockTrace1, err := os.ReadFile("../../common/testdata/blockTrace_02.json")
-	if err != nil {
-		return err
-	}
-	// unmarshal blockTrace
-	wrappedBlock1 = &types.WrappedBlock{}
-	if err = json.Unmarshal(templateBlockTrace1, wrappedBlock1); err != nil {
-		return err
-	}
-
-	templateBlockTrace2, err := os.ReadFile("../../common/testdata/blockTrace_03.json")
-	if err != nil {
-		return err
-	}
-	// unmarshal blockTrace
-	wrappedBlock2 = &types.WrappedBlock{}
-	if err = json.Unmarshal(templateBlockTrace2, wrappedBlock2); err != nil {
-		return err
-	}
-	return err
-}
-
-func TestMain(m *testing.M) {
-	base = docker.NewDockerApp()
-
-	m.Run()
-
-	base.Free()
-}
-
-func TestFunction(t *testing.T) {
-	if err := setupEnv(t); err != nil {
-		t.Fatal(err)
-	}
-	// Run l1 watcher test cases.
-	t.Run("TestStartWatcher", testStartWatcher)
-	// Run l2 watcher test cases.
-	t.Run("TestCreateNewWatcherAndStop", testCreateNewWatcherAndStop)
-	t.Run("TestMonitorBridgeContract", testMonitorBridgeContract)
-	t.Run("TestFetchMultipleSentMessageInOneBlock", testFetchMultipleSentMessageInOneBlock)
-
-	// Run batch proposer test cases.
-	t.Run("TestBatchProposerProposeBatch", testBatchProposerProposeBatch)
-	t.Run("TestBatchProposerGracefulRestart", testBatchProposerGracefulRestart)
-
-}

build/dockerfiles/bridge.Dockerfile

@@ -11,16 +11,16 @@ COPY ./roller/go.* ./roller/
 COPY ./tests/integration-test/go.* ./tests/integration-test/
 RUN go mod download -x
 
-# Build gas_oracle
+# Build bridge
 FROM base as builder
 
 RUN --mount=target=. \
     --mount=type=cache,target=/root/.cache/go-build \
-    cd /src/bridge/cmd/gas_oracle/ && go build -v -p 4 -o /bin/gas_oracle
+    cd /src/bridge/cmd && go build -v -p 4 -o /bin/bridge
 
-# Pull gas_oracle into a second stage deploy alpine container
+# Pull bridge into a second stage deploy alpine container
 FROM alpine:latest
 
-COPY --from=builder /bin/gas_oracle /bin/
+COPY --from=builder /bin/bridge /bin/
 
-ENTRYPOINT ["gas_oracle"]
+ENTRYPOINT ["bridge"]

build/dockerfiles/bridge.Dockerfile.dockerignore

@@ -2,4 +2,4 @@ assets/
 docs/
 l2geth/
 rpc-gateway/
-*target/*
+*target/*

build/dockerfiles/coordinator.Dockerfile

@@ -13,7 +13,7 @@ RUN cargo chef cook --release --recipe-path recipe.json
 
 COPY ./common/libzkp/impl .
 RUN cargo build --release
-RUN find ./ | grep libzktrie.so | xargs -I{} cp {} /app/target/release/
+RUN find ./ | grep libzktrie.so | xargs -i cp {} /app/target/release/
 
 
 # Download Go dependencies

build/dockerfiles/event_watcher.Dockerfile

@@ -1,26 +0,0 @@
-# Download Go dependencies
-FROM scrolltech/go-alpine-builder:1.18 as base
-
-WORKDIR /src
-COPY go.work* ./
-COPY ./bridge/go.* ./bridge/
-COPY ./common/go.* ./common/
-COPY ./coordinator/go.* ./coordinator/
-COPY ./database/go.* ./database/
-COPY ./roller/go.* ./roller/
-COPY ./tests/integration-test/go.* ./tests/integration-test/
-RUN go mod download -x
-
-# Build event_watcher
-FROM base as builder
-
-RUN --mount=target=. \
-    --mount=type=cache,target=/root/.cache/go-build \
-    cd /src/bridge/cmd/event_watcher/ && go build -v -p 4 -o /bin/event_watcher
-
-# Pull event_watcher into a second stage deploy alpine container
-FROM alpine:latest
-
-COPY --from=builder /bin/event_watcher /bin/
-
-ENTRYPOINT ["event_watcher"]

build/dockerfiles/gas_oracle.Dockerfile.dockerignore

@@ -1,5 +0,0 @@
-assets/
-docs/
-l2geth/
-rpc-gateway/
-*target/*

build/dockerfiles/msg_relayer.Dockerfile

@@ -1,26 +0,0 @@
-# Download Go dependencies
-FROM scrolltech/go-alpine-builder:1.18 as base
-
-WORKDIR /src
-COPY go.work* ./
-COPY ./bridge/go.* ./bridge/
-COPY ./common/go.* ./common/
-COPY ./coordinator/go.* ./coordinator/
-COPY ./database/go.* ./database/
-COPY ./roller/go.* ./roller/
-COPY ./tests/integration-test/go.* ./tests/integration-test/
-RUN go mod download -x
-
-# Build msg_relayer
-FROM base as builder
-
-RUN --mount=target=. \
-    --mount=type=cache,target=/root/.cache/go-build \
-    cd /src/bridge/cmd/msg_relayer/ && go build -v -p 4 -o /bin/msg_relayer
-
-# Pull msg_relayer into a second stage deploy alpine container
-FROM alpine:latest
-
-COPY --from=builder /bin/msg_relayer /bin/
-
-ENTRYPOINT ["msg_relayer"]

build/dockerfiles/msg_relayer.Dockerfile.dockerignore

@@ -1,5 +0,0 @@
-assets/
-docs/
-l2geth/
-rpc-gateway/
-*target/*

build/dockerfiles/rollup_relayer.Dockerfile

@@ -1,26 +0,0 @@
-# Download Go dependencies
-FROM scrolltech/go-alpine-builder:1.18 as base
-
-WORKDIR /src
-COPY go.work* ./
-COPY ./bridge/go.* ./bridge/
-COPY ./common/go.* ./common/
-COPY ./coordinator/go.* ./coordinator/
-COPY ./database/go.* ./database/
-COPY ./roller/go.* ./roller/
-COPY ./tests/integration-test/go.* ./tests/integration-test/
-RUN go mod download -x
-
-# Build rollup_relayer
-FROM base as builder
-
-RUN --mount=target=. \
-    --mount=type=cache,target=/root/.cache/go-build \
-    cd /src/bridge/cmd/rollup_relayer/ && go build -v -p 4 -o /bin/rollup_relayer
-
-# Pull rollup_relayer into a second stage deploy alpine container
-FROM alpine:latest
-
-COPY --from=builder /bin/rollup_relayer /bin/
-
-ENTRYPOINT ["rollup_relayer"]

build/dockerfiles/rollup_relayer.Dockerfile.dockerignore

@@ -1,5 +0,0 @@
-assets/
-docs/
-l2geth/
-rpc-gateway/
-*target/*

build/post-test-report-coverage.sh

@@ -4,11 +4,11 @@ ${GOROOT}/bin/bin/gocover-cobertura < coverage.bridge.txt > coverage.bridge.xml
 ${GOROOT}/bin/bin/gocover-cobertura < coverage.db.txt > coverage.db.xml
 ${GOROOT}/bin/bin/gocover-cobertura < coverage.common.txt > coverage.common.xml
 ${GOROOT}/bin/bin/gocover-cobertura < coverage.coordinator.txt > coverage.coordinator.xml
-#${GOROOT}/bin/bin/gocover-cobertura < coverage.integration.txt > coverage.integration.xml
+${GOROOT}/bin/bin/gocover-cobertura < coverage.integration.txt > coverage.integration.xml
 
 npx cobertura-merge -o cobertura.xml \
     package1=coverage.bridge.xml \
     package2=coverage.db.xml \
     package3=coverage.common.xml \
-    package4=coverage.coordinator.xml
-    # package5=coverage.integration.xml
+    package4=coverage.coordinator.xml \
+    package5=coverage.integration.xml

build/push-docker-tag.Jenkinsfile

@@ -1,6 +1,6 @@
 imagePrefix = 'scrolltech'
 credentialDocker = 'dockerhub'
-TAGNAME = ''
+
 pipeline {
     agent any
     options {
@@ -41,38 +41,16 @@ pipeline {
                                 if (TAGNAME == ""){
                                     return;
                                 }
-                                sh "docker login --username=$dockerUser --password=$dockerPassword"
-                                catchError(buildResult: 'SUCCESS', stageResult: 'SUCCESS') {
-                                    script {
-                                        try {
-                                            sh "docker manifest inspect scrolltech/bridge:$TAGNAME > /dev/null"
-                                        } catch (e) {
-                                            // only build if the tag non existed
-                                            //sh "docker login --username=${dockerUser} --password=${dockerPassword}"
-                                            sh "make -C bridge docker"
-                                            sh "docker tag scrolltech/bridge:latest scrolltech/bridge:${TAGNAME}"
-                                            sh "docker push scrolltech/bridge:${TAGNAME}"
-                                            throw e
-                                        }
-                                    }
-                                }
-                                catchError(buildResult: 'SUCCESS', stageResult: 'SUCCESS') {
-                                    script {
-                                        try {
-                                            sh "docker manifest inspect scrolltech/coordinator:$TAGNAME > /dev/null"
-                                        } catch (e) {
-                                            // only build if the tag non existed
-                                            //sh "docker login --username=${dockerUser} --password=${dockerPassword}"
-                                            sh "make -C coordinator docker"
-                                            sh "docker tag scrolltech/coordinator:latest scrolltech/coordinator:${TAGNAME}"
-                                            sh "docker push scrolltech/coordinator:${TAGNAME}"
-                                            throw e
-                                        }
-                                    }
-                                }
+                                sh "docker login --username=${dockerUser} --password=${dockerPassword}"
+                                sh "make -C bridge docker"
+                                sh "make -C coordinator docker"
+                                sh "docker tag scrolltech/bridge:latest scrolltech/bridge:${TAGNAME}"
+                                sh "docker tag scrolltech/coordinator:latest scrolltech/coordinator:${TAGNAME}"
+                                sh "docker push scrolltech/bridge:${TAGNAME}"
+                                sh "docker push scrolltech/coordinator:${TAGNAME}"
                             }                              
                     }
-                }
+               }
             }
         }
     }

build/run_tests.sh

@@ -1,26 +0,0 @@
-#!/bin/bash
-set -uex
-
-profile_name=$1
-
-exclude_dirs=("scroll-tech/bridge/cmd" "scroll-tech/bridge/tests" "scroll-tech/bridge/mock_bridge" "scroll-tech/coordinator/cmd" "scroll-tech/coordinator/config")
-
-all_packages=$(go list ./... | grep -v "^scroll-tech/${profile_name}$")
-coverpkg="scroll-tech/${profile_name}"
-
-for pkg in $all_packages; do
-    exclude_pkg=false
-    for exclude_dir in "${exclude_dirs[@]}"; do
-        if [[ $pkg == $exclude_dir* ]]; then
-            exclude_pkg=true
-            break
-        fi
-    done
-
-    if [ "$exclude_pkg" = false ]; then
-        coverpkg="$coverpkg,$pkg/..."
-    fi
-done
-
-echo "coverage.${profile_name}.txt"
-go test -v -race -gcflags="-l" -ldflags="-s=false" -coverpkg="$coverpkg" -coverprofile=../coverage.${profile_name}.txt -covermode=atomic ./...

common/bytecode/.gitignore

@@ -1,2 +0,0 @@
-*.go
-*.sol

common/bytecode/Makefile

@@ -1,49 +0,0 @@
-.PHONY: all erc20 greeter scroll
-
-all: erc20 greeter scroll
-
-erc20:
-	go run github.com/scroll-tech/go-ethereum/cmd/abigen --combined-json ./erc20/ERC20Mock.json --pkg erc20 --out ./erc20/ERC20Mock.go
-
-greeter:
-	go run github.com/scroll-tech/go-ethereum/cmd/abigen --combined-json ./greeter/Greeter.json --pkg greeter --out ./greeter/Greeter.go
-
-scroll:
-	#L1/gateways
-	go run github.com/scroll-tech/go-ethereum/cmd/abigen --combined-json ./scroll/L1/gateways/L1ERC20Gateway.json         --pkg gateways --out ./scroll/L1/gateways/L1ERC20Gateway.go
-	go run github.com/scroll-tech/go-ethereum/cmd/abigen --combined-json ./scroll/L1/gateways/L1ERC721Gateway.json        --pkg gateways --out ./scroll/L1/gateways/L1ERC721Gateway.go
-	go run github.com/scroll-tech/go-ethereum/cmd/abigen --combined-json ./scroll/L1/gateways/L1ERC1155Gateway.json       --pkg gateways --out ./scroll/L1/gateways/L1ERC1155Gateway.go
-	go run github.com/scroll-tech/go-ethereum/cmd/abigen --combined-json ./scroll/L1/gateways/L1GatewayRouter.json        --pkg gateways --out ./scroll/L1/gateways/L1GatewayRouter.go
-	go run github.com/scroll-tech/go-ethereum/cmd/abigen --combined-json ./scroll/L1/gateways/L1StandardERC20Gateway.json --pkg gateways --out ./scroll/L1/gateways/L1StandardERC20Gateway.go
-	go run github.com/scroll-tech/go-ethereum/cmd/abigen --combined-json ./scroll/L1/gateways/L1CustomERC20Gateway.json   --pkg gateways --out ./scroll/L1/gateways/L1CustomERC20Gateway.go
-	go run github.com/scroll-tech/go-ethereum/cmd/abigen --combined-json ./scroll/L1/gateways/L1WETHGateway.json          --pkg gateways --out ./scroll/L1/gateways/L1WETHGateway.go
-	go run github.com/scroll-tech/go-ethereum/cmd/abigen --combined-json ./scroll/L1/gateways/L1ETHGateway.json			--pkg gateways --out ./scroll/L1/gateways/L1ETHGateway.go
-	#L1/rollup
-	go run github.com/scroll-tech/go-ethereum/cmd/abigen --combined-json ./scroll/L1/rollup/L1MessageQueue.json 			--pkg rollup --out ./scroll/L1/rollup/L1MessageQueue.go
-	go run github.com/scroll-tech/go-ethereum/cmd/abigen --combined-json ./scroll/L1/rollup/L2GasPriceOracle.json 		--pkg rollup --out ./scroll/L1/rollup/L2GasPriceOracle.go
-	go run github.com/scroll-tech/go-ethereum/cmd/abigen --combined-json ./scroll/L1/rollup/ScrollChain.json 				--pkg rollup --out ./scroll/L1/rollup/ScrollChain.go
-	#L1
-	go run github.com/scroll-tech/go-ethereum/cmd/abigen --combined-json ./scroll/L1/L1ScrollMessenger.json 				--pkg l1 --out ./scroll/L1/L1ScrollMessenger.go
-	#L2/gateways
-	go run github.com/scroll-tech/go-ethereum/cmd/abigen --combined-json ./scroll/L2/gateways/L2CustomERC20Gateway.json    	--pkg gateways --out ./scroll/L2/gateways/L2CustomERC20Gateway.go
-	go run github.com/scroll-tech/go-ethereum/cmd/abigen --combined-json ./scroll/L2/gateways/L2ERC20Gateway.json          	--pkg gateways --out ./scroll/L2/gateways/L2ERC20Gateway.go
-	go run github.com/scroll-tech/go-ethereum/cmd/abigen --combined-json ./scroll/L2/gateways/L2ERC721Gateway.json         	--pkg gateways --out ./scroll/L2/gateways/L2ERC721Gateway.go
-	go run github.com/scroll-tech/go-ethereum/cmd/abigen --combined-json ./scroll/L2/gateways/L2ERC1155Gateway.json        	--pkg gateways --out ./scroll/L2/gateways/L2ERC1155Gateway.go
-	go run github.com/scroll-tech/go-ethereum/cmd/abigen --combined-json ./scroll/L2/gateways/L2GatewayRouter.json         	--pkg gateways --out ./scroll/L2/gateways/L2GatewayRouter.go
-	go run github.com/scroll-tech/go-ethereum/cmd/abigen --combined-json ./scroll/L2/gateways/L2StandardERC20Gateway.json  	--pkg gateways --out ./scroll/L2/gateways/L2StandardERC20Gateway.go
-	go run github.com/scroll-tech/go-ethereum/cmd/abigen --combined-json ./scroll/L2/gateways/L2WETHGateway.json           	--pkg gateways --out ./scroll/L2/gateways/L2WETHGateway.go
-	go run github.com/scroll-tech/go-ethereum/cmd/abigen --combined-json ./scroll/L2/gateways/L2ETHGateway.json           	--pkg gateways --out ./scroll/L2/gateways/L2ETHGateway.go
-	#L2/predeploys
-	go run github.com/scroll-tech/go-ethereum/cmd/abigen --combined-json ./scroll/L2/predeploys/L1BlockContainer.json   	--pkg predeploys --out ./scroll/L2/predeploys/L1BlockContainer.go
-	go run github.com/scroll-tech/go-ethereum/cmd/abigen --combined-json ./scroll/L2/predeploys/L1GasPriceOracle.json   	--pkg predeploys --out ./scroll/L2/predeploys/L1GasPriceOracle.go
-	go run github.com/scroll-tech/go-ethereum/cmd/abigen --combined-json ./scroll/L2/predeploys/L2MessageQueue.json   	--pkg predeploys --out ./scroll/L2/predeploys/L2MessageQueue.go
-	go run github.com/scroll-tech/go-ethereum/cmd/abigen --combined-json ./scroll/L2/predeploys/L2TxFeeVault.json   		--pkg predeploys --out ./scroll/L2/predeploys/L2TxFeeVault.go
-	go run github.com/scroll-tech/go-ethereum/cmd/abigen --combined-json ./scroll/L2/predeploys/WETH9.json                --pkg predeploys --out ./scroll/L2/predeploys/WETH9.go
-	go run github.com/scroll-tech/go-ethereum/cmd/abigen --combined-json ./scroll/L2/predeploys/Whitelist.json            --pkg predeploys --out ./scroll/L2/predeploys/Whitelist.go
-	#L2
-	go run github.com/scroll-tech/go-ethereum/cmd/abigen --combined-json ./scroll/L2/L2ScrollMessenger.json --pkg l2 --out ./scroll/L2/L2ScrollMessenger.go
-	#External
-	go run github.com/scroll-tech/go-ethereum/cmd/abigen --combined-json ./scroll/external/External.json --pkg external --out ./scroll/external/External.go
-	#Libraries
-	go run github.com/scroll-tech/go-ethereum/cmd/abigen --combined-json ./scroll/libraries/ScrollStandardERC20.json 			--pkg libraries --out ./scroll/libraries/ScrollStandardERC20.go
-	go run github.com/scroll-tech/go-ethereum/cmd/abigen --combined-json ./scroll/libraries/ScrollStandardERC20Factory.json 	--pkg libraries --out ./scroll/libraries/ScrollStandardERC20Factory.go

common/bytecode/README.md

@@ -1,40 +0,0 @@
-## How to pre deploy contracts?
-* Please reference to https://github.com/scroll-tech/genesis-creator.
-1. Setup env
-```bash
-   git clone git@github.com:scroll-tech/genesis-creator.git
-   cd genesis-creator
-   go get -v github.com/scroll-tech/go-ethereum@develop && go mod tidy
-   make abi && make genesis-creator
-   make l2geth-docker
-```
-
-2. Start docker and write pre deployed contracts into genesis file.
-```bash
-   make start-docker
-   ./bin/genesis-creator -genesis ${SCROLLPATH}/common/docker/l2geth/genesis.json -contract [erc20|greeter]
-```
-
-3. Rebuild l2geth docker.
-```bash
-   cd ${SCROLLPATH}
-   make dev_docker
-```
-
-## How to get contract abi?
-* Other contracts' step same to eth20, e.g:
-1. Install solc.
-   
-    *Reference to https://docs.soliditylang.org/en/latest/installing-solidity.html*
-
-2. Get abi file.
-```bash
-   cd genesis-creator
-   solc --combined-json "abi" --optimize ${SCROLLPATH}/common/bytecode/erc20/ERC20Mock.sol | jq > ${SCROLLPATH}/common/bytecode/erc20/ERC20Mock.json
-```
-
-3. Translate abi to go.
-```bash
-   cd ${SCROLLPATH}
-   make -C common/bytecode all
-```

common/bytecode/erc20/ERC20Mock.json

@@ -1,387 +0,0 @@
-{
-  "contracts": {
-    "tests/contracts/erc20/erc20.sol:ERC20Mock": {
-      "abi": [
-        {
-          "inputs": [
-            {
-              "internalType": "string",
-              "name": "name",
-              "type": "string"
-            },
-            {
-              "internalType": "string",
-              "name": "symbol",
-              "type": "string"
-            },
-            {
-              "internalType": "address",
-              "name": "initialAccount",
-              "type": "address"
-            },
-            {
-              "internalType": "uint256",
-              "name": "initialBalance",
-              "type": "uint256"
-            }
-          ],
-          "stateMutability": "payable",
-          "type": "constructor"
-        },
-        {
-          "anonymous": false,
-          "inputs": [
-            {
-              "indexed": true,
-              "internalType": "address",
-              "name": "owner",
-              "type": "address"
-            },
-            {
-              "indexed": true,
-              "internalType": "address",
-              "name": "spender",
-              "type": "address"
-            },
-            {
-              "indexed": false,
-              "internalType": "uint256",
-              "name": "value",
-              "type": "uint256"
-            }
-          ],
-          "name": "Approval",
-          "type": "event"
-        },
-        {
-          "anonymous": false,
-          "inputs": [
-            {
-              "indexed": true,
-              "internalType": "address",
-              "name": "from",
-              "type": "address"
-            },
-            {
-              "indexed": true,
-              "internalType": "address",
-              "name": "to",
-              "type": "address"
-            },
-            {
-              "indexed": false,
-              "internalType": "uint256",
-              "name": "value",
-              "type": "uint256"
-            }
-          ],
-          "name": "Transfer",
-          "type": "event"
-        },
-        {
-          "inputs": [
-            {
-              "internalType": "address",
-              "name": "owner",
-              "type": "address"
-            },
-            {
-              "internalType": "address",
-              "name": "spender",
-              "type": "address"
-            }
-          ],
-          "name": "allowance",
-          "outputs": [
-            {
-              "internalType": "uint256",
-              "name": "",
-              "type": "uint256"
-            }
-          ],
-          "stateMutability": "view",
-          "type": "function"
-        },
-        {
-          "inputs": [
-            {
-              "internalType": "address",
-              "name": "spender",
-              "type": "address"
-            },
-            {
-              "internalType": "uint256",
-              "name": "amount",
-              "type": "uint256"
-            }
-          ],
-          "name": "approve",
-          "outputs": [
-            {
-              "internalType": "bool",
-              "name": "",
-              "type": "bool"
-            }
-          ],
-          "stateMutability": "nonpayable",
-          "type": "function"
-        },
-        {
-          "inputs": [
-            {
-              "internalType": "address",
-              "name": "owner",
-              "type": "address"
-            },
-            {
-              "internalType": "address",
-              "name": "spender",
-              "type": "address"
-            },
-            {
-              "internalType": "uint256",
-              "name": "value",
-              "type": "uint256"
-            }
-          ],
-          "name": "approveInternal",
-          "outputs": [],
-          "stateMutability": "nonpayable",
-          "type": "function"
-        },
-        {
-          "inputs": [
-            {
-              "internalType": "address",
-              "name": "account",
-              "type": "address"
-            }
-          ],
-          "name": "balanceOf",
-          "outputs": [
-            {
-              "internalType": "uint256",
-              "name": "",
-              "type": "uint256"
-            }
-          ],
-          "stateMutability": "view",
-          "type": "function"
-        },
-        {
-          "inputs": [
-            {
-              "internalType": "address",
-              "name": "account",
-              "type": "address"
-            },
-            {
-              "internalType": "uint256",
-              "name": "amount",
-              "type": "uint256"
-            }
-          ],
-          "name": "burn",
-          "outputs": [],
-          "stateMutability": "nonpayable",
-          "type": "function"
-        },
-        {
-          "inputs": [],
-          "name": "decimals",
-          "outputs": [
-            {
-              "internalType": "uint8",
-              "name": "",
-              "type": "uint8"
-            }
-          ],
-          "stateMutability": "view",
-          "type": "function"
-        },
-        {
-          "inputs": [
-            {
-              "internalType": "address",
-              "name": "spender",
-              "type": "address"
-            },
-            {
-              "internalType": "uint256",
-              "name": "subtractedValue",
-              "type": "uint256"
-            }
-          ],
-          "name": "decreaseAllowance",
-          "outputs": [
-            {
-              "internalType": "bool",
-              "name": "",
-              "type": "bool"
-            }
-          ],
-          "stateMutability": "nonpayable",
-          "type": "function"
-        },
-        {
-          "inputs": [
-            {
-              "internalType": "address",
-              "name": "spender",
-              "type": "address"
-            },
-            {
-              "internalType": "uint256",
-              "name": "addedValue",
-              "type": "uint256"
-            }
-          ],
-          "name": "increaseAllowance",
-          "outputs": [
-            {
-              "internalType": "bool",
-              "name": "",
-              "type": "bool"
-            }
-          ],
-          "stateMutability": "nonpayable",
-          "type": "function"
-        },
-        {
-          "inputs": [
-            {
-              "internalType": "address",
-              "name": "account",
-              "type": "address"
-            },
-            {
-              "internalType": "uint256",
-              "name": "amount",
-              "type": "uint256"
-            }
-          ],
-          "name": "mint",
-          "outputs": [],
-          "stateMutability": "nonpayable",
-          "type": "function"
-        },
-        {
-          "inputs": [],
-          "name": "name",
-          "outputs": [
-            {
-              "internalType": "string",
-              "name": "",
-              "type": "string"
-            }
-          ],
-          "stateMutability": "view",
-          "type": "function"
-        },
-        {
-          "inputs": [],
-          "name": "symbol",
-          "outputs": [
-            {
-              "internalType": "string",
-              "name": "",
-              "type": "string"
-            }
-          ],
-          "stateMutability": "view",
-          "type": "function"
-        },
-        {
-          "inputs": [],
-          "name": "totalSupply",
-          "outputs": [
-            {
-              "internalType": "uint256",
-              "name": "",
-              "type": "uint256"
-            }
-          ],
-          "stateMutability": "view",
-          "type": "function"
-        },
-        {
-          "inputs": [
-            {
-              "internalType": "address",
-              "name": "to",
-              "type": "address"
-            },
-            {
-              "internalType": "uint256",
-              "name": "amount",
-              "type": "uint256"
-            }
-          ],
-          "name": "transfer",
-          "outputs": [
-            {
-              "internalType": "bool",
-              "name": "",
-              "type": "bool"
-            }
-          ],
-          "stateMutability": "nonpayable",
-          "type": "function"
-        },
-        {
-          "inputs": [
-            {
-              "internalType": "address",
-              "name": "from",
-              "type": "address"
-            },
-            {
-              "internalType": "address",
-              "name": "to",
-              "type": "address"
-            },
-            {
-              "internalType": "uint256",
-              "name": "amount",
-              "type": "uint256"
-            }
-          ],
-          "name": "transferFrom",
-          "outputs": [
-            {
-              "internalType": "bool",
-              "name": "",
-              "type": "bool"
-            }
-          ],
-          "stateMutability": "nonpayable",
-          "type": "function"
-        },
-        {
-          "inputs": [
-            {
-              "internalType": "address",
-              "name": "from",
-              "type": "address"
-            },
-            {
-              "internalType": "address",
-              "name": "to",
-              "type": "address"
-            },
-            {
-              "internalType": "uint256",
-              "name": "value",
-              "type": "uint256"
-            }
-          ],
-          "name": "transferInternal",
-          "outputs": [],
-          "stateMutability": "nonpayable",
-          "type": "function"
-        }
-      ]
-    }
-  },
-  "version": "0.8.16+commit.07a7930e.Darwin.appleclang"
-}

common/bytecode/greeter/Greeter.json

@@ -1,72 +0,0 @@
-{
-  "contracts": {
-    "greeter/Greeter.sol:Greeter": {
-      "abi": [
-        {
-          "inputs": [
-            {
-              "internalType": "uint256",
-              "name": "num",
-              "type": "uint256"
-            }
-          ],
-          "stateMutability": "nonpayable",
-          "type": "constructor"
-        },
-        {
-          "inputs": [],
-          "name": "retrieve",
-          "outputs": [
-            {
-              "internalType": "uint256",
-              "name": "",
-              "type": "uint256"
-            }
-          ],
-          "stateMutability": "view",
-          "type": "function"
-        },
-        {
-          "inputs": [],
-          "name": "retrieve_failing",
-          "outputs": [
-            {
-              "internalType": "uint256",
-              "name": "",
-              "type": "uint256"
-            }
-          ],
-          "stateMutability": "view",
-          "type": "function"
-        },
-        {
-          "inputs": [
-            {
-              "internalType": "uint256",
-              "name": "num",
-              "type": "uint256"
-            }
-          ],
-          "name": "set_value",
-          "outputs": [],
-          "stateMutability": "nonpayable",
-          "type": "function"
-        },
-        {
-          "inputs": [
-            {
-              "internalType": "uint256",
-              "name": "num",
-              "type": "uint256"
-            }
-          ],
-          "name": "set_value_failing",
-          "outputs": [],
-          "stateMutability": "nonpayable",
-          "type": "function"
-        }
-      ]
-    }
-  },
-  "version": "0.8.16+commit.07a7930e.Darwin.appleclang"
-}

common/bytecode/scroll/L1/.gitignore

@@ -1 +0,0 @@
-*.go

common/bytecode/scroll/L1/gateways/L1ERC20Gateway.json

@@ -1,237 +0,0 @@
-{
-  "contracts": {
-    "scroll/L1/gateways/L1ERC20Gateway.sol:L1ERC20Gateway": {
-      "abi": [
-        {
-          "anonymous": false,
-          "inputs": [
-            {
-              "indexed": true,
-              "internalType": "address",
-              "name": "l1Token",
-              "type": "address"
-            },
-            {
-              "indexed": true,
-              "internalType": "address",
-              "name": "l2Token",
-              "type": "address"
-            },
-            {
-              "indexed": true,
-              "internalType": "address",
-              "name": "from",
-              "type": "address"
-            },
-            {
-              "indexed": false,
-              "internalType": "address",
-              "name": "to",
-              "type": "address"
-            },
-            {
-              "indexed": false,
-              "internalType": "uint256",
-              "name": "amount",
-              "type": "uint256"
-            },
-            {
-              "indexed": false,
-              "internalType": "bytes",
-              "name": "data",
-              "type": "bytes"
-            }
-          ],
-          "name": "DepositERC20",
-          "type": "event"
-        },
-        {
-          "anonymous": false,
-          "inputs": [
-            {
-              "indexed": true,
-              "internalType": "address",
-              "name": "l1Token",
-              "type": "address"
-            },
-            {
-              "indexed": true,
-              "internalType": "address",
-              "name": "l2Token",
-              "type": "address"
-            },
-            {
-              "indexed": true,
-              "internalType": "address",
-              "name": "from",
-              "type": "address"
-            },
-            {
-              "indexed": false,
-              "internalType": "address",
-              "name": "to",
-              "type": "address"
-            },
-            {
-              "indexed": false,
-              "internalType": "uint256",
-              "name": "amount",
-              "type": "uint256"
-            },
-            {
-              "indexed": false,
-              "internalType": "bytes",
-              "name": "data",
-              "type": "bytes"
-            }
-          ],
-          "name": "FinalizeWithdrawERC20",
-          "type": "event"
-        },
-        {
-          "inputs": [
-            {
-              "internalType": "address",
-              "name": "_token",
-              "type": "address"
-            },
-            {
-              "internalType": "uint256",
-              "name": "_amount",
-              "type": "uint256"
-            },
-            {
-              "internalType": "uint256",
-              "name": "_gasLimit",
-              "type": "uint256"
-            }
-          ],
-          "name": "depositERC20",
-          "outputs": [],
-          "stateMutability": "payable",
-          "type": "function"
-        },
-        {
-          "inputs": [
-            {
-              "internalType": "address",
-              "name": "_token",
-              "type": "address"
-            },
-            {
-              "internalType": "address",
-              "name": "_to",
-              "type": "address"
-            },
-            {
-              "internalType": "uint256",
-              "name": "_amount",
-              "type": "uint256"
-            },
-            {
-              "internalType": "uint256",
-              "name": "_gasLimit",
-              "type": "uint256"
-            }
-          ],
-          "name": "depositERC20",
-          "outputs": [],
-          "stateMutability": "payable",
-          "type": "function"
-        },
-        {
-          "inputs": [
-            {
-              "internalType": "address",
-              "name": "_token",
-              "type": "address"
-            },
-            {
-              "internalType": "address",
-              "name": "_to",
-              "type": "address"
-            },
-            {
-              "internalType": "uint256",
-              "name": "_amount",
-              "type": "uint256"
-            },
-            {
-              "internalType": "bytes",
-              "name": "_data",
-              "type": "bytes"
-            },
-            {
-              "internalType": "uint256",
-              "name": "_gasLimit",
-              "type": "uint256"
-            }
-          ],
-          "name": "depositERC20AndCall",
-          "outputs": [],
-          "stateMutability": "payable",
-          "type": "function"
-        },
-        {
-          "inputs": [
-            {
-              "internalType": "address",
-              "name": "_l1Token",
-              "type": "address"
-            },
-            {
-              "internalType": "address",
-              "name": "_l2Token",
-              "type": "address"
-            },
-            {
-              "internalType": "address",
-              "name": "_from",
-              "type": "address"
-            },
-            {
-              "internalType": "address",
-              "name": "_to",
-              "type": "address"
-            },
-            {
-              "internalType": "uint256",
-              "name": "_amount",
-              "type": "uint256"
-            },
-            {
-              "internalType": "bytes",
-              "name": "_data",
-              "type": "bytes"
-            }
-          ],
-          "name": "finalizeWithdrawERC20",
-          "outputs": [],
-          "stateMutability": "payable",
-          "type": "function"
-        },
-        {
-          "inputs": [
-            {
-              "internalType": "address",
-              "name": "_l1Token",
-              "type": "address"
-            }
-          ],
-          "name": "getL2ERC20Address",
-          "outputs": [
-            {
-              "internalType": "address",
-              "name": "",
-              "type": "address"
-            }
-          ],
-          "stateMutability": "view",
-          "type": "function"
-        }
-      ],
-      "bin": ""
-    }
-  },
-  "version": "0.8.17+commit.8df45f5f.Darwin.appleclang"
-}

common/bytecode/scroll/L2/gateways/L2ERC20Gateway.json

@@ -1,256 +0,0 @@
-{
-  "contracts": {
-    "scroll/L2/gateways/L2ERC20Gateway.sol:L2ERC20Gateway": {
-      "abi": [
-        {
-          "anonymous": false,
-          "inputs": [
-            {
-              "indexed": true,
-              "internalType": "address",
-              "name": "l1Token",
-              "type": "address"
-            },
-            {
-              "indexed": true,
-              "internalType": "address",
-              "name": "l2Token",
-              "type": "address"
-            },
-            {
-              "indexed": true,
-              "internalType": "address",
-              "name": "from",
-              "type": "address"
-            },
-            {
-              "indexed": false,
-              "internalType": "address",
-              "name": "to",
-              "type": "address"
-            },
-            {
-              "indexed": false,
-              "internalType": "uint256",
-              "name": "amount",
-              "type": "uint256"
-            },
-            {
-              "indexed": false,
-              "internalType": "bytes",
-              "name": "data",
-              "type": "bytes"
-            }
-          ],
-          "name": "FinalizeDepositERC20",
-          "type": "event"
-        },
-        {
-          "anonymous": false,
-          "inputs": [
-            {
-              "indexed": true,
-              "internalType": "address",
-              "name": "l1Token",
-              "type": "address"
-            },
-            {
-              "indexed": true,
-              "internalType": "address",
-              "name": "l2Token",
-              "type": "address"
-            },
-            {
-              "indexed": true,
-              "internalType": "address",
-              "name": "from",
-              "type": "address"
-            },
-            {
-              "indexed": false,
-              "internalType": "address",
-              "name": "to",
-              "type": "address"
-            },
-            {
-              "indexed": false,
-              "internalType": "uint256",
-              "name": "amount",
-              "type": "uint256"
-            },
-            {
-              "indexed": false,
-              "internalType": "bytes",
-              "name": "data",
-              "type": "bytes"
-            }
-          ],
-          "name": "WithdrawERC20",
-          "type": "event"
-        },
-        {
-          "inputs": [
-            {
-              "internalType": "address",
-              "name": "l1Token",
-              "type": "address"
-            },
-            {
-              "internalType": "address",
-              "name": "l2Token",
-              "type": "address"
-            },
-            {
-              "internalType": "address",
-              "name": "from",
-              "type": "address"
-            },
-            {
-              "internalType": "address",
-              "name": "to",
-              "type": "address"
-            },
-            {
-              "internalType": "uint256",
-              "name": "amount",
-              "type": "uint256"
-            },
-            {
-              "internalType": "bytes",
-              "name": "data",
-              "type": "bytes"
-            }
-          ],
-          "name": "finalizeDepositERC20",
-          "outputs": [],
-          "stateMutability": "payable",
-          "type": "function"
-        },
-        {
-          "inputs": [
-            {
-              "internalType": "address",
-              "name": "l2Token",
-              "type": "address"
-            }
-          ],
-          "name": "getL1ERC20Address",
-          "outputs": [
-            {
-              "internalType": "address",
-              "name": "",
-              "type": "address"
-            }
-          ],
-          "stateMutability": "view",
-          "type": "function"
-        },
-        {
-          "inputs": [
-            {
-              "internalType": "address",
-              "name": "l1Token",
-              "type": "address"
-            }
-          ],
-          "name": "getL2ERC20Address",
-          "outputs": [
-            {
-              "internalType": "address",
-              "name": "",
-              "type": "address"
-            }
-          ],
-          "stateMutability": "view",
-          "type": "function"
-        },
-        {
-          "inputs": [
-            {
-              "internalType": "address",
-              "name": "_token",
-              "type": "address"
-            },
-            {
-              "internalType": "uint256",
-              "name": "_amount",
-              "type": "uint256"
-            },
-            {
-              "internalType": "uint256",
-              "name": "_gasLimit",
-              "type": "uint256"
-            }
-          ],
-          "name": "withdrawERC20",
-          "outputs": [],
-          "stateMutability": "payable",
-          "type": "function"
-        },
-        {
-          "inputs": [
-            {
-              "internalType": "address",
-              "name": "_token",
-              "type": "address"
-            },
-            {
-              "internalType": "address",
-              "name": "_to",
-              "type": "address"
-            },
-            {
-              "internalType": "uint256",
-              "name": "_amount",
-              "type": "uint256"
-            },
-            {
-              "internalType": "uint256",
-              "name": "_gasLimit",
-              "type": "uint256"
-            }
-          ],
-          "name": "withdrawERC20",
-          "outputs": [],
-          "stateMutability": "payable",
-          "type": "function"
-        },
-        {
-          "inputs": [
-            {
-              "internalType": "address",
-              "name": "_token",
-              "type": "address"
-            },
-            {
-              "internalType": "address",
-              "name": "_to",
-              "type": "address"
-            },
-            {
-              "internalType": "uint256",
-              "name": "_amount",
-              "type": "uint256"
-            },
-            {
-              "internalType": "bytes",
-              "name": "_data",
-              "type": "bytes"
-            },
-            {
-              "internalType": "uint256",
-              "name": "_gasLimit",
-              "type": "uint256"
-            }
-          ],
-          "name": "withdrawERC20AndCall",
-          "outputs": [],
-          "stateMutability": "payable",
-          "type": "function"
-        }
-      ],
-      "bin": ""
-    }
-  },
-  "version": "0.8.17+commit.8df45f5f.Darwin.appleclang"
-}

common/bytecode/scroll/L2/predeploys/L1GasPriceOracle.json

@@ -1,273 +0,0 @@
-{
-  "contracts": {
-    "scroll/L2/predeploys/L1GasPriceOracle.sol:L1GasPriceOracle": {
-      "abi": [
-        {
-          "inputs": [
-            {
-              "internalType": "address",
-              "name": "_owner",
-              "type": "address"
-            }
-          ],
-          "stateMutability": "nonpayable",
-          "type": "constructor"
-        },
-        {
-          "anonymous": false,
-          "inputs": [
-            {
-              "indexed": false,
-              "internalType": "uint256",
-              "name": "l1BaseFee",
-              "type": "uint256"
-            }
-          ],
-          "name": "L1BaseFeeUpdated",
-          "type": "event"
-        },
-        {
-          "anonymous": false,
-          "inputs": [
-            {
-              "indexed": false,
-              "internalType": "uint256",
-              "name": "overhead",
-              "type": "uint256"
-            }
-          ],
-          "name": "OverheadUpdated",
-          "type": "event"
-        },
-        {
-          "anonymous": false,
-          "inputs": [
-            {
-              "indexed": true,
-              "internalType": "address",
-              "name": "_oldOwner",
-              "type": "address"
-            },
-            {
-              "indexed": true,
-              "internalType": "address",
-              "name": "_newOwner",
-              "type": "address"
-            }
-          ],
-          "name": "OwnershipTransferred",
-          "type": "event"
-        },
-        {
-          "anonymous": false,
-          "inputs": [
-            {
-              "indexed": false,
-              "internalType": "uint256",
-              "name": "scalar",
-              "type": "uint256"
-            }
-          ],
-          "name": "ScalarUpdated",
-          "type": "event"
-        },
-        {
-          "anonymous": false,
-          "inputs": [
-            {
-              "indexed": false,
-              "internalType": "address",
-              "name": "_oldWhitelist",
-              "type": "address"
-            },
-            {
-              "indexed": false,
-              "internalType": "address",
-              "name": "_newWhitelist",
-              "type": "address"
-            }
-          ],
-          "name": "UpdateWhitelist",
-          "type": "event"
-        },
-        {
-          "inputs": [
-            {
-              "internalType": "bytes",
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-          "type": "function"
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