Update makefile.

Co-authored-by: colinlyguo <colinlyguo@scroll.io>
Co-authored-by: colin <102356659+colinlyguo@users.noreply.github.com>
Co-authored-by: HAOYUatHZ <37070449+HAOYUatHZ@users.noreply.github.com>

.github/workflows/bridge.yml

@@ -5,6 +5,7 @@ on:
     branches:
       - main
       - staging
+      - develop
       - alpha
     paths:
       - 'bridge/**'
@@ -13,6 +14,7 @@ on:
     branches:
       - main
       - staging
+      - develop
       - alpha
     paths:
       - 'bridge/**'
@@ -64,3 +66,11 @@ 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

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

.github/workflows/contracts.yaml

@@ -2,24 +2,10 @@ 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'
@@ -42,6 +28,9 @@ 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
@@ -78,6 +67,22 @@ 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

@@ -5,6 +5,7 @@ on:
     branches:
       - main
       - staging
+      - develop
       - alpha
     paths:
       - 'coordinator/**'
@@ -13,6 +14,7 @@ on:
     branches:
       - main
       - staging
+      - develop
       - alpha
     paths:
       - 'coordinator/**'
@@ -60,3 +62,18 @@ 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

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

.github/workflows/docker.yaml

@@ -0,0 +1,65 @@
+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

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

Jenkinsfile

@@ -24,11 +24,12 @@ 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'
+                        sh 'make -C bridge bridge_bins'
                     }
                 }
                 stage('Check Coordinator Compilation') {
@@ -42,16 +43,6 @@ 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'
@@ -61,44 +52,29 @@ pipeline {
         }
         stage('Parallel Test') {
             parallel{
-                stage('Test bridge package') {
+                stage('Race test common package') {
                     steps {
-                        sh 'go test -v -race -coverprofile=coverage.bridge.txt -covermode=atomic -p 1 scroll-tech/bridge/...'
-                    }
-                }
-                stage('Test common package') {
-                    steps {
-                        sh 'go test -v -race -coverprofile=coverage.common.txt -covermode=atomic -p 1 scroll-tech/common/...'
-                    }
-                }
-                stage('Test coordinator package') {
-                    steps {
-                        sh 'go test -v -race -coverprofile=coverage.coordinator.txt -covermode=atomic -p 1 scroll-tech/coordinator/...'
-                    }
-                }
-                stage('Test database package') {
-                    steps {
-                        sh 'go test -v -race -coverprofile=coverage.db.txt -covermode=atomic -p 1 scroll-tech/database/...'
-                    }
-                }
-                stage('Integration test') {
-                    steps {
-                        sh 'go test -v -race -tags="mock_prover mock_verifier" -coverprofile=coverage.integration.txt -covermode=atomic -p 1 scroll-tech/integration-test/...'
+                        sh 'go test -v -race -coverprofile=coverage.common.txt -covermode=atomic scroll-tech/common/...'
                     }
                 }
                 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')"
+                        sh "cd ./bridge && ../build/run_tests.sh bridge"
                     }
                 }
                 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')"
+                        sh "cd ./coordinator && ../build/run_tests.sh 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')"
+                        sh 'go test -v -race -coverprofile=coverage.db.txt -covermode=atomic scroll-tech/database/...'
+                    }
+                }
+                stage('Integration test') {
+                    steps {
+                        sh 'go test -v -tags="mock_prover mock_verifier" -p 1 scroll-tech/integration-test/...'
                     }
                 }
             }

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@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
+	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
 	goimports -local $(PWD)/bridge/ -w .
 	goimports -local $(PWD)/common/ -w .
 	goimports -local $(PWD)/coordinator/ -w .

README.md

@@ -1,3 +1,12 @@
 # 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

@@ -8,8 +8,23 @@ 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: ## Builds the Bridge instance.
-	go build -o $(PWD)/build/bin/bridge ./cmd
+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/
 
 test:
 	go test -v -race -coverprofile=coverage.txt -covermode=atomic -p 1 $(PWD)/...
@@ -20,8 +35,14 @@ lint: ## Lint the files - used for CI
 clean: ## Empty out the bin folder
 	@rm -rf build/bin
 
-docker:
-	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}:${IMAGE_VERSION}
+	docker docker push scrolltech/gas-oracle:${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

bridge/cmd/app/app.go

@@ -1,130 +0,0 @@
-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

@@ -1,19 +0,0 @@
-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

@@ -1,31 +0,0 @@
-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

@@ -0,0 +1,114 @@
+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

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

bridge/cmd/gas_oracle/app/app.go

@@ -0,0 +1,136 @@
+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

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

bridge/cmd/main.go

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

bridge/cmd/mock_app.go

@@ -0,0 +1,123 @@
+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

@@ -0,0 +1,118 @@
+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

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

bridge/cmd/rollup_relayer/app/app.go

@@ -0,0 +1,133 @@
+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

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

bridge/config.json

@@ -12,23 +12,26 @@
       "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
+        "min_balance": 100000000000000000000,
+        "pending_limit": 10
       },
       "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": [
-        "1212121212121212121212121212121212121212121212121212121212121212"
+        "1313131313131313131313131313131313131313131313131313131313131313"
       ]
     }
   },
@@ -44,26 +47,29 @@
       "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
+        "min_balance": 100000000000000000000,
+        "pending_limit": 10
       },
       "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": [
-        "1212121212121212121212121212121212121212121212121212121212121212"
+        "1313131313131313131313131313131313131313131313131313131313131313"
       ],
       "rollup_sender_private_keys": [
-        "1212121212121212121212121212121212121212121212121212121212121212"
+        "1414141414141414141414141414141414141414141414141414141414141414"
       ]
     },
     "batch_proposer_config": {

bridge/config/l2_config.go

@@ -18,6 +18,8 @@ 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
@@ -40,6 +42,8 @@ type BatchProposerConfig struct {
 	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

@@ -31,6 +31,10 @@ 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.
@@ -47,6 +51,10 @@ type RelayerConfig struct {
 	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:"-"`

bridge/go.mod

@@ -4,8 +4,9 @@ go 1.18
 
 require (
 	github.com/orcaman/concurrent-map v1.0.0
-	github.com/scroll-tech/go-ethereum v1.10.14-0.20230220082843-ec9254b0b1c6
-	github.com/stretchr/testify v1.8.0
+	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/urfave/cli/v2 v2.17.2-0.20221006022127-8f469abc00aa
 	golang.org/x/sync v0.1.0
 	modernc.org/mathutil v1.4.1
@@ -16,26 +17,26 @@ 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 v1.11.1 // indirect
+	github.com/ethereum/go-ethereum v1.11.4 // 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/holiman/uint256 v1.2.0 // indirect
-	github.com/iden3/go-iden3-crypto v0.0.13 // indirect
+	github.com/iden3/go-iden3-crypto v0.0.14 // 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 v0.5.0 // indirect
+	github.com/scroll-tech/zktrie v0.5.2 // 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 v0.6.0 // indirect
-	golang.org/x/sys v0.5.0 // 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
 	gopkg.in/natefinch/npipe.v2 v2.0.0-20160621034901-c1b8fa8bdcce // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

bridge/go.sum

@@ -1,63 +1,5 @@
-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=
@@ -67,598 +9,128 @@ 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=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/dchest/blake512 v1.0.0/go.mod h1:FV1x7xPPLWukZlpDpWQ88rF/SFwZ5qbskrzhLMB92JI=
-github.com/deckarep/golang-set v0.0.0-20180603214616-504e848d77ea/go.mod h1:93vsz/8Wt4joVM7c2AVqh+YRMiUSc14yDtF28KmMOgQ=
 github.com/deckarep/golang-set v1.8.0 h1:sk9/l/KqpunDwP7pSjUg0keiOOLEnOBHzykLrsPppp4=
 github.com/deckarep/golang-set v1.8.0/go.mod h1:5nI87KwE7wgsBU1F4GKAw2Qod7p5kyS383rP6+o6qqo=
-github.com/deepmap/oapi-codegen v1.6.0/go.mod h1:ryDa9AgbELGeB+YEXE1dR53yAjHwFvE9iAUlWl9Al3M=
-github.com/deepmap/oapi-codegen v1.8.2/go.mod h1:YLgSKSDv/bZQB7N4ws6luhozi3cEdRktEqrX88CvjIw=
-github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
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bridge/l1/backend.go

@@ -1,55 +0,0 @@
-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

@@ -1,65 +0,0 @@
-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/l2/backend.go

@@ -1,76 +0,0 @@
-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/check_trace.go

@@ -1,99 +0,0 @@
-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

@@ -1,135 +0,0 @@
-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/watcher_api.go

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

bridge/relayer/l1_relayer.go

@@ -1,10 +1,9 @@
-package l1
+package relayer
 
 import (
 	"context"
 	"errors"
 	"math/big"
-	"time"
 
 	// not sure if this will make problems when relay with l1geth
 
@@ -12,20 +11,22 @@ import (
 	"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"
 )
 
-const (
-	gasPriceDiffPrecision = 1000000
-
-	defaultGasPriceDiff = 50000 // 5%
+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
@@ -42,18 +43,16 @@ type Layer1Relayer struct {
 
 	// 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
 
+	minGasLimitForMessageRelay uint64
+
 	lastGasPrice uint64
 	minGasPrice  uint64
 	gasPriceDiff uint64
-
-	stopCh chan struct{}
 }
 
 // NewLayer1Relayer will return a new instance of Layer1RelayerClient
@@ -83,24 +82,31 @@ func NewLayer1Relayer(ctx context.Context, db database.OrmFactory, cfg *config.R
 		gasPriceDiff = defaultGasPriceDiff
 	}
 
-	return &Layer1Relayer{
+	minGasLimitForMessageRelay := uint64(defaultL1MessageRelayMinGasLimit)
+	if cfg.MessageRelayMinGasLimit != 0 {
+		minGasLimitForMessageRelay = cfg.MessageRelayMinGasLimit
+	}
+
+	l1Relayer := &Layer1Relayer{
 		ctx: ctx,
 		db:  db,
 
 		messageSender:  messageSender,
-		messageCh:      messageSender.ConfirmChan(),
 		l2MessengerABI: bridge_abi.L2ScrollMessengerABI,
 
 		gasOracleSender: gasOracleSender,
-		gasOracleCh:     gasOracleSender.ConfirmChan(),
 		l1GasOracleABI:  bridge_abi.L1GasPriceOracleABI,
 
+		minGasLimitForMessageRelay: minGasLimitForMessageRelay,
+
 		minGasPrice:  minGasPrice,
 		gasPriceDiff: gasPriceDiff,
 
-		cfg:    cfg,
-		stopCh: make(chan struct{}),
-	}, nil
+		cfg: cfg,
+	}
+
+	go l1Relayer.handleConfirmLoop(ctx)
+	return l1Relayer, nil
 }
 
 // ProcessSavedEvents relays saved un-processed cross-domain transactions to desired blockchain
@@ -118,7 +124,7 @@ func (r *Layer1Relayer) ProcessSavedEvents() {
 
 	for _, msg := range msgs {
 		if err = r.processSavedEvent(msg); err != nil {
-			if !errors.Is(err, sender.ErrNoAvailableAccount) {
+			if !errors.Is(err, sender.ErrNoAvailableAccount) && !errors.Is(err, sender.ErrFullPending) {
 				log.Error("failed to process event", "msg.msgHash", msg.MsgHash, "err", err)
 			}
 			return
@@ -129,16 +135,17 @@ func (r *Layer1Relayer) ProcessSavedEvents() {
 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)
+	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 successfully executed" {
+	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())
@@ -180,9 +187,9 @@ func (r *Layer1Relayer) ProcessGasPriceOracle() {
 				return
 			}
 
-			hash, err := r.gasOracleSender.SendTransaction(block.Hash, &r.cfg.GasPriceOracleContractAddress, big.NewInt(0), data)
+			hash, err := r.gasOracleSender.SendTransaction(block.Hash, &r.cfg.GasPriceOracleContractAddress, big.NewInt(0), data, 0)
 			if err != nil {
-				if !errors.Is(err, sender.ErrNoAvailableAccount) {
+				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
@@ -199,69 +206,43 @@ func (r *Layer1Relayer) ProcessGasPriceOracle() {
 	}
 }
 
-// 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()
+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)
 			}
 		}
 	}
-	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/relayer/l1_relayer_test.go

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

bridge/relayer/l2_relayer.go

@@ -1,4 +1,4 @@
-package l2
+package relayer
 
 import (
 	"context"
@@ -7,18 +7,17 @@ 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"
@@ -29,10 +28,14 @@ import (
 	"scroll-tech/bridge/utils"
 )
 
-const (
-	gasPriceDiffPrecision = 1000000
-
-	defaultGasPriceDiff = 50000 // 5%
+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
@@ -50,17 +53,16 @@ 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
@@ -76,8 +78,6 @@ 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
@@ -111,24 +111,28 @@ func NewLayer2Relayer(ctx context.Context, l2Client *ethclient.Client, db databa
 		gasPriceDiff = defaultGasPriceDiff
 	}
 
-	return &Layer2Relayer{
+	minGasLimitForMessageRelay := uint64(defaultL2MessageRelayMinGasLimit)
+	if cfg.MessageRelayMinGasLimit != 0 {
+		minGasLimitForMessageRelay = cfg.MessageRelayMinGasLimit
+	}
+
+	layer2Relayer := &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,
 
@@ -136,8 +140,9 @@ func NewLayer2Relayer(ctx context.Context, l2Client *ethclient.Client, db databa
 		processingMessage:           sync.Map{},
 		processingBatchesCommitment: sync.Map{},
 		processingFinalization:      sync.Map{},
-		stopCh:                      make(chan struct{}),
-	}, nil
+	}
+	go layer2Relayer.handleConfirmLoop(ctx)
+	return layer2Relayer, nil
 }
 
 const processMsgLimit = 100
@@ -176,7 +181,7 @@ func (r *Layer2Relayer) ProcessSavedEvents() {
 			})
 		}
 		if err := g.Wait(); err != nil {
-			if !errors.Is(err, sender.ErrNoAvailableAccount) {
+			if !errors.Is(err, sender.ErrNoAvailableAccount) && !errors.Is(err, sender.ErrFullPending) {
 				log.Error("failed to process l2 saved event", "err", err)
 			}
 			return
@@ -221,19 +226,20 @@ func (r *Layer2Relayer) processSavedEvent(msg *types.L2Message) error {
 		return err
 	}
 
-	hash, err := r.messageSender.SendTransaction(msg.MsgHash, &r.cfg.MessengerContractAddress, big.NewInt(0), data)
+	hash, err := r.messageSender.SendTransaction(msg.MsgHash, &r.cfg.MessengerContractAddress, big.NewInt(0), data, r.minGasLimitForMessageRelay)
 	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 successfully executed" {
+	if err != nil && err.Error() == "execution reverted: Message was already successfully executed" {
 		return r.db.UpdateLayer2Status(r.ctx, msg.MsgHash, types.MsgConfirmed)
 	}
 	if err != nil {
-		if !errors.Is(err, sender.ErrNoAvailableAccount) {
+		if !errors.Is(err, sender.ErrNoAvailableAccount) && !errors.Is(err, sender.ErrFullPending) {
 			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
@@ -272,9 +278,9 @@ func (r *Layer2Relayer) ProcessGasPriceOracle() {
 				return
 			}
 
-			hash, err := r.gasOracleSender.SendTransaction(batch.Hash, &r.cfg.GasPriceOracleContractAddress, big.NewInt(0), data)
+			hash, err := r.gasOracleSender.SendTransaction(batch.Hash, &r.cfg.GasPriceOracleContractAddress, big.NewInt(0), data, 0)
 			if err != nil {
-				if !errors.Is(err, sender.ErrNoAvailableAccount) {
+				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
@@ -318,13 +324,14 @@ func (r *Layer2Relayer) SendCommitTx(batchData []*types.BatchData) error {
 		bytes = append(bytes, batch.Hash().Bytes()...)
 	}
 	txID := crypto.Keccak256Hash(bytes).String()
-	txHash, err := r.rollupSender.SendTransaction(txID, &r.cfg.RollupContractAddress, big.NewInt(0), calldata)
+	txHash, err := r.rollupSender.SendTransaction(txID, &r.cfg.RollupContractAddress, big.NewInt(0), calldata, 0)
 	if err != nil {
-		if !errors.Is(err, sender.ErrNoAvailableAccount) {
+		if !errors.Is(err, sender.ErrNoAvailableAccount) && !errors.Is(err, sender.ErrFullPending) {
 			log.Error("Failed to send commitBatches tx to layer1 ", "err", err)
 		}
 		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,
@@ -350,26 +357,34 @@ 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
-	batches, err := r.db.GetCommittedBatches(1)
+	batchHashes, err := r.db.GetCommittedBatches(1)
 	if err != nil {
 		log.Error("Failed to fetch committed L2 batches", "err", err)
 		return
 	}
-	if len(batches) == 0 {
+	if len(batchHashes) == 0 {
 		return
 	}
-	hash := batches[0]
+	hash := batchHashes[0]
 	// @todo add support to relay multiple batches
 
-	status, err := r.db.GetProvingStatusByHash(hash)
+	batches, err := r.db.GetBlockBatches(map[string]interface{}{"hash": hash}, "LIMIT 1")
 	if err != nil {
-		log.Error("GetProvingStatusByHash failed", "hash", hash, "err", err)
+		log.Error("Failed to fetch committed L2 batch", "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:
@@ -392,6 +407,34 @@ 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 {
@@ -430,14 +473,15 @@ 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)
+		txHash, err := r.rollupSender.SendTransaction(txID, &r.cfg.RollupContractAddress, big.NewInt(0), data, 0)
 		finalizeTxHash := &txHash
 		if err != nil {
-			if !errors.Is(err, sender.ErrNoAvailableAccount) {
+			if !errors.Is(err, sender.ErrNoAvailableAccount) && !errors.Is(err, sender.ErrFullPending) {
 				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
@@ -455,108 +499,95 @@ 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), types.MsgConfirmed, confirmation.TxHash.String())
+		err := r.db.UpdateLayer2StatusAndLayer1Hash(r.ctx, msgHash.(string), status, 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"
-		for _, batchHash := range batchBatches.([]string) {
+		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 {
 			// @todo handle db error
-			err := r.db.UpdateCommitTxHashAndRollupStatus(r.ctx, batchHash, confirmation.TxHash.String(), types.RollupCommitted)
+			err := r.db.UpdateCommitTxHashAndRollupStatus(r.ctx, batchHash, confirmation.TxHash.String(), status)
 			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(), types.RollupFinalized)
+		err := r.db.UpdateFinalizeTxHashAndRollupStatus(r.ctx, batchHash.(string), confirmation.TxHash.String(), status)
 		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/relayer/l2_relayer_test.go

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

bridge/relayer/params.go

@@ -0,0 +1,11 @@
+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

@@ -0,0 +1,108 @@
+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

@@ -0,0 +1,73 @@
+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

@@ -6,23 +6,19 @@ import (
 	"errors"
 	"fmt"
 	"math/big"
-	"reflect"
 	"strings"
-	"sync"
 	"sync/atomic"
 	"time"
 
-	geth "github.com/scroll-tech/go-ethereum"
+	cmapV2 "github.com/orcaman/concurrent-map/v2"
 	"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/utils"
-
 	"scroll-tech/bridge/config"
+	"scroll-tech/bridge/utils"
 )
 
 const (
@@ -39,6 +35,12 @@ 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
@@ -76,9 +78,9 @@ type Sender struct {
 	// account fields.
 	auths *accountPool
 
-	blockNumber   uint64   // Current block number on chain.
-	baseFeePerGas uint64   // Current base fee per gas on chain
-	pendingTxs    sync.Map // Mapping from nonce to pending transaction
+	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
 	confirmCh     chan *Confirmation
 
 	stopCh chan struct{}
@@ -118,6 +120,11 @@ 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,
@@ -127,7 +134,7 @@ func NewSender(ctx context.Context, config *config.SenderConfig, privs []*ecdsa.
 		confirmCh:     make(chan *Confirmation, 128),
 		blockNumber:   header.Number.Uint64(),
 		baseFeePerGas: baseFeePerGas,
-		pendingTxs:    sync.Map{},
+		pendingTxs:    cmapV2.New[*PendingTransaction](),
 		stopCh:        make(chan struct{}),
 	}
 
@@ -136,6 +143,21 @@ 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)
@@ -152,57 +174,33 @@ 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) (*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
+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)
 	}
-	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
+	return s.estimateLegacyGas(auth, target, value, data, minGasLimit)
 }
 
 // SendTransaction send a signed L2tL1 transaction.
-func (s *Sender) SendTransaction(ID string, target *common.Address, value *big.Int, data []byte) (hash common.Hash, err error) {
+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
+	}
 	// We occupy the ID, in case some other threads call with the same ID in the same time
-	if _, loaded := s.pendingTxs.LoadOrStore(ID, nil); loaded {
+	if ok := s.pendingTxs.SetIfAbsent(ID, nil); !ok {
 		return common.Hash{}, fmt.Errorf("has the repeat tx ID, ID: %s", ID)
 	}
 	// get
 	auth := s.auths.getAccount()
 	if auth == nil {
-		s.pendingTxs.Delete(ID) // release the ID on failure
+		s.pendingTxs.Remove(ID) // release the ID on failure
 		return common.Hash{}, ErrNoAvailableAccount
 	}
 
 	defer s.auths.releaseAccount(auth)
 	defer func() {
 		if err != nil {
-			s.pendingTxs.Delete(ID) // release the ID on failure
+			s.pendingTxs.Remove(ID) // release the ID on failure
 		}
 	}()
 
@@ -211,7 +209,7 @@ 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); err != nil {
+	if feeData, err = s.getFeeData(auth, target, value, data, minGasLimit); err != nil {
 		return
 	}
 	if tx, err = s.createAndSendTx(auth, feeData, target, value, data, nil); err == nil {
@@ -223,7 +221,7 @@ func (s *Sender) SendTransaction(ID string, target *common.Address, value *big.I
 			submitAt: atomic.LoadUint64(&s.blockNumber),
 			feeData:  feeData,
 		}
-		s.pendingTxs.Store(ID, pending)
+		s.pendingTxs.Set(ID, pending)
 		return tx.Hash(), nil
 	}
 
@@ -364,17 +362,17 @@ func (s *Sender) checkPendingTransaction(header *types.Header, confirmed uint64)
 		}
 	}
 
-	s.pendingTxs.Range(func(key, value interface{}) bool {
+	for item := range s.pendingTxs.IterBuffered() {
+		key, pending := item.Key, item.Val
 		// ignore empty id, since we use empty id to occupy pending task
-		if value == nil || reflect.ValueOf(value).IsNil() {
-			return true
+		if pending == nil {
+			continue
 		}
 
-		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.Delete(key)
+				s.pendingTxs.Remove(key)
 				// send confirm message
 				s.confirmCh <- &Confirmation{
 					ID:           pending.id,
@@ -405,7 +403,7 @@ 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.Delete(key)
+					s.pendingTxs.Remove(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) {
@@ -427,8 +425,7 @@ func (s *Sender) checkPendingTransaction(header *types.Header, confirmed uint64)
 				pending.submitAt = number
 			}
 		}
-		return true
-	})
+	}
 }
 
 // Loop is the main event loop
@@ -436,7 +433,7 @@ func (s *Sender) loop(ctx context.Context) {
 	checkTick := time.NewTicker(time.Duration(s.config.CheckPendingTime) * time.Second)
 	defer checkTick.Stop()
 
-	checkBalanceTicker := time.NewTicker(time.Minute * 10)
+	checkBalanceTicker := time.NewTicker(time.Duration(s.config.CheckBalanceTime) * time.Second)
 	defer checkBalanceTicker.Stop()
 
 	for {

bridge/sender/sender_test.go

@@ -14,6 +14,7 @@ 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"
 
@@ -28,35 +29,81 @@ const TXBatch = 50
 var (
 	privateKeys []*ecdsa.PrivateKey
 	cfg         *config.Config
-	l2gethImg   docker.ImgInstance
+	base        *docker.App
 )
 
+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}
 
-	l2gethImg = docker.NewTestL2Docker(t)
-	cfg.L1Config.RelayerConfig.SenderConfig.Endpoint = l2gethImg.Endpoint()
+	cfg.L1Config.RelayerConfig.SenderConfig.Endpoint = base.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) })
+}
 
-	// Teardown
-	t.Cleanup(func() {
-		assert.NoError(t, l2gethImg.Stop())
-	})
+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))
 }
 
 func testBatchSender(t *testing.T, batchSize int) {
@@ -70,6 +117,7 @@ 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)
@@ -88,8 +136,8 @@ 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)
-				if errors.Is(err, sender.ErrNoAvailableAccount) {
+				_, err := newSender.SendTransaction(id, &toAddr, big.NewInt(1), nil, 0)
+				if errors.Is(err, sender.ErrNoAvailableAccount) || errors.Is(err, sender.ErrFullPending) {
 					<-time.After(time.Second)
 					continue
 				}

bridge/tests/bridge_test.go

@@ -26,11 +26,7 @@ var (
 
 	// private key
 	privateKey *ecdsa.PrivateKey
-
-	// docker consider handler.
-	l1gethImg docker.ImgInstance
-	l2gethImg docker.ImgInstance
-	dbImg     docker.ImgInstance
+	base       *docker.App
 
 	// clients
 	l1Client *ethclient.Client
@@ -53,6 +49,14 @@ 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"))
@@ -75,20 +79,18 @@ 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.
-	l1gethImg = docker.NewTestL1Docker(t)
-	cfg.L2Config.RelayerConfig.SenderConfig.Endpoint = l1gethImg.Endpoint()
-	cfg.L1Config.Endpoint = l1gethImg.Endpoint()
+	cfg.L2Config.RelayerConfig.SenderConfig.Endpoint = base.L1gethImg.Endpoint()
+	cfg.L1Config.Endpoint = base.L1gethImg.Endpoint()
 
 	// Create l2geth container.
-	l2gethImg = docker.NewTestL2Docker(t)
-	cfg.L1Config.RelayerConfig.SenderConfig.Endpoint = l2gethImg.Endpoint()
-	cfg.L2Config.Endpoint = l2gethImg.Endpoint()
+	cfg.L1Config.RelayerConfig.SenderConfig.Endpoint = base.L2gethImg.Endpoint()
+	cfg.L2Config.Endpoint = base.L2gethImg.Endpoint()
 
 	// Create db container.
-	dbImg = docker.NewTestDBDocker(t, cfg.DBConfig.DriverName)
-	cfg.DBConfig.DSN = dbImg.Endpoint()
+	cfg.DBConfig = base.DBConfig
 
 	// Create l1geth and l2geth client.
 	l1Client, err = ethclient.Dial(cfg.L1Config.Endpoint)
@@ -144,18 +146,6 @@ 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
@@ -217,7 +207,4 @@ 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/l1"
-	"scroll-tech/bridge/l2"
+	"scroll-tech/bridge/relayer"
+	"scroll-tech/bridge/watcher"
 
 	"scroll-tech/database"
 	"scroll-tech/database/migrate"
@@ -30,14 +30,13 @@ func testImportL1GasPrice(t *testing.T) {
 	l1Cfg := cfg.L1Config
 
 	// Create L1Relayer
-	l1Relayer, err := l1.NewLayer1Relayer(context.Background(), db, l1Cfg.RelayerConfig)
+	l1Relayer, err := relayer.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 := l1.NewWatcher(context.Background(), l1Client, startHeight-1, 0, l1Cfg.L1MessengerAddress, l1Cfg.L1MessageQueueAddress, l1Cfg.ScrollChainContractAddress, db)
+	l1Watcher := watcher.NewL1WatcherClient(context.Background(), l1Client, startHeight-1, 0, l1Cfg.L1MessengerAddress, l1Cfg.L1MessageQueueAddress, l1Cfg.ScrollChainContractAddress, db)
 
 	// fetch new blocks
 	number, err := l1Client.BlockNumber(context.Background())
@@ -81,12 +80,11 @@ func testImportL2GasPrice(t *testing.T) {
 	l2Cfg := cfg.L2Config
 
 	// Create L2Relayer
-	l2Relayer, err := l2.NewLayer2Relayer(context.Background(), l2Client, db, l2Cfg.RelayerConfig)
+	l2Relayer, err := relayer.NewLayer2Relayer(context.Background(), l2Client, db, l2Cfg.RelayerConfig)
 	assert.NoError(t, err)
-	defer l2Relayer.Stop()
 
 	// add fake blocks
-	traces := []*geth_types.BlockTrace{
+	traces := []*types.WrappedBlock{
 		{
 			Header: &geth_types.Header{
 				Number:     big.NewInt(1),
@@ -94,17 +92,17 @@ func testImportL2GasPrice(t *testing.T) {
 				Difficulty: big.NewInt(0),
 				BaseFee:    big.NewInt(0),
 			},
-			StorageTrace: &geth_types.StorageTrace{},
+			Transactions:     nil,
+			WithdrawTrieRoot: common.Hash{},
 		},
 	}
-	err = db.InsertL2BlockTraces(traces)
-	assert.NoError(t, err)
+	assert.NoError(t, db.InsertWrappedBlocks(traces))
 
 	parentBatch := &types.BlockBatch{
 		Index: 0,
 		Hash:  "0x0000000000000000000000000000000000000000",
 	}
-	batchData := types.NewBatchData(parentBatch, []*geth_types.BlockTrace{
+	batchData := types.NewBatchData(parentBatch, []*types.WrappedBlock{
 		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/l1"
-	"scroll-tech/bridge/l2"
+	"scroll-tech/bridge/relayer"
+	"scroll-tech/bridge/watcher"
 
 	"scroll-tech/database"
 	"scroll-tech/database/migrate"
@@ -33,16 +33,14 @@ func testRelayL1MessageSucceed(t *testing.T) {
 	l2Cfg := cfg.L2Config
 
 	// Create L1Relayer
-	l1Relayer, err := l1.NewLayer1Relayer(context.Background(), db, l1Cfg.RelayerConfig)
+	l1Relayer, err := relayer.NewLayer1Relayer(context.Background(), db, l1Cfg.RelayerConfig)
 	assert.NoError(t, err)
-	defer l1Relayer.Stop()
-
 	// Create L1Watcher
 	confirmations := rpc.LatestBlockNumber
-	l1Watcher := l1.NewWatcher(context.Background(), l1Client, 0, confirmations, l1Cfg.L1MessengerAddress, l1Cfg.L1MessageQueueAddress, l1Cfg.ScrollChainContractAddress, db)
+	l1Watcher := watcher.NewL1WatcherClient(context.Background(), l1Client, 0, confirmations, l1Cfg.L1MessengerAddress, l1Cfg.L1MessageQueueAddress, l1Cfg.ScrollChainContractAddress, db)
 
 	// Create L2Watcher
-	l2Watcher := l2.NewL2WatcherClient(context.Background(), l2Client, confirmations, l2Cfg.L2MessengerAddress, l2Cfg.L2MessageQueueAddress, db)
+	l2Watcher := watcher.NewL2WatcherClient(context.Background(), l2Client, confirmations, l2Cfg.L2MessengerAddress, l2Cfg.L2MessageQueueAddress, l2Cfg.WithdrawTrieRootSlot, db)
 
 	// send message through l1 messenger contract
 	nonce, err := l1MessengerInstance.MessageNonce(&bind.CallOpts{})
@@ -56,7 +54,7 @@ func testRelayL1MessageSucceed(t *testing.T) {
 	}
 
 	// l1 watch process events
-	l1Watcher.FetchContractEvent(sendReceipt.BlockNumber.Uint64())
+	l1Watcher.FetchContractEvent()
 
 	// check db status
 	msg, err := db.GetL1MessageByQueueIndex(nonce.Uint64())
@@ -79,7 +77,7 @@ func testRelayL1MessageSucceed(t *testing.T) {
 	assert.Equal(t, len(relayTxReceipt.Logs), 1)
 
 	// fetch message relayed events
-	l2Watcher.FetchContractEvent(relayTxReceipt.BlockNumber.Uint64())
+	l2Watcher.FetchContractEvent()
 	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/l1"
-	"scroll-tech/bridge/l2"
+	"scroll-tech/bridge/relayer"
+	"scroll-tech/bridge/watcher"
 
 	"scroll-tech/database"
 	"scroll-tech/database/migrate"
@@ -33,15 +33,15 @@ func testRelayL2MessageSucceed(t *testing.T) {
 
 	// Create L2Watcher
 	confirmations := rpc.LatestBlockNumber
-	l2Watcher := l2.NewL2WatcherClient(context.Background(), l2Client, confirmations, l2Cfg.L2MessengerAddress, l2Cfg.L2MessageQueueAddress, db)
+	l2Watcher := watcher.NewL2WatcherClient(context.Background(), l2Client, confirmations, l2Cfg.L2MessengerAddress, l2Cfg.L2MessageQueueAddress, l2Cfg.WithdrawTrieRootSlot, db)
 
 	// Create L2Relayer
-	l2Relayer, err := l2.NewLayer2Relayer(context.Background(), l2Client, db, l2Cfg.RelayerConfig)
+	l2Relayer, err := relayer.NewLayer2Relayer(context.Background(), l2Client, db, l2Cfg.RelayerConfig)
 	assert.NoError(t, err)
 
 	// Create L1Watcher
 	l1Cfg := cfg.L1Config
-	l1Watcher := l1.NewWatcher(context.Background(), l1Client, 0, confirmations, l1Cfg.L1MessengerAddress, l1Cfg.L1MessageQueueAddress, l1Cfg.ScrollChainContractAddress, db)
+	l1Watcher := watcher.NewL1WatcherClient(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(sendReceipt.BlockNumber.Uint64())
+	l2Watcher.FetchContractEvent()
 
 	// 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 := []*geth_types.BlockTrace{
+	traces := []*types.WrappedBlock{
 		{
 			Header: &geth_types.Header{
 				Number:     sendReceipt.BlockNumber,
@@ -73,17 +73,17 @@ func testRelayL2MessageSucceed(t *testing.T) {
 				Difficulty: big.NewInt(0),
 				BaseFee:    big.NewInt(0),
 			},
-			StorageTrace: &geth_types.StorageTrace{},
+			Transactions:     nil,
+			WithdrawTrieRoot: common.Hash{},
 		},
 	}
-	err = db.InsertL2BlockTraces(traces)
-	assert.NoError(t, err)
+	assert.NoError(t, db.InsertWrappedBlocks(traces))
 
 	parentBatch := &types.BlockBatch{
 		Index: 0,
 		Hash:  "0x0000000000000000000000000000000000000000",
 	}
-	batchData := types.NewBatchData(parentBatch, []*geth_types.BlockTrace{
+	batchData := types.NewBatchData(parentBatch, []*types.WrappedBlock{
 		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(commitTxReceipt.BlockNumber.Uint64())
+	err = l1Watcher.FetchContractEvent()
 	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(finalizeTxReceipt.BlockNumber.Uint64())
+	err = l1Watcher.FetchContractEvent()
 	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(relayTxReceipt.BlockNumber.Uint64())
+	err = l1Watcher.FetchContractEvent()
 	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/l1"
-	"scroll-tech/bridge/l2"
+	"scroll-tech/bridge/relayer"
+	"scroll-tech/bridge/watcher"
 
 	"scroll-tech/database"
 	"scroll-tech/database/migrate"
@@ -30,16 +30,15 @@ func testCommitBatchAndFinalizeBatch(t *testing.T) {
 
 	// Create L2Relayer
 	l2Cfg := cfg.L2Config
-	l2Relayer, err := l2.NewLayer2Relayer(context.Background(), l2Client, db, l2Cfg.RelayerConfig)
+	l2Relayer, err := relayer.NewLayer2Relayer(context.Background(), l2Client, db, l2Cfg.RelayerConfig)
 	assert.NoError(t, err)
-	defer l2Relayer.Stop()
 
 	// Create L1Watcher
 	l1Cfg := cfg.L1Config
-	l1Watcher := l1.NewWatcher(context.Background(), l1Client, 0, l1Cfg.Confirmations, l1Cfg.L1MessengerAddress, l1Cfg.L1MessageQueueAddress, l1Cfg.ScrollChainContractAddress, db)
+	l1Watcher := watcher.NewL1WatcherClient(context.Background(), l1Client, 0, l1Cfg.Confirmations, l1Cfg.L1MessengerAddress, l1Cfg.L1MessageQueueAddress, l1Cfg.ScrollChainContractAddress, db)
 
 	// add some blocks to db
-	var traces []*geth_types.BlockTrace
+	var wrappedBlocks []*types.WrappedBlock
 	var parentHash common.Hash
 	for i := 1; i <= 10; i++ {
 		header := geth_types.Header{
@@ -48,22 +47,22 @@ func testCommitBatchAndFinalizeBatch(t *testing.T) {
 			Difficulty: big.NewInt(0),
 			BaseFee:    big.NewInt(0),
 		}
-		traces = append(traces, &geth_types.BlockTrace{
-			Header:       &header,
-			StorageTrace: &geth_types.StorageTrace{},
+		wrappedBlocks = append(wrappedBlocks, &types.WrappedBlock{
+			Header:           &header,
+			Transactions:     nil,
+			WithdrawTrieRoot: common.Hash{},
 		})
 		parentHash = header.Hash()
 	}
-	err = db.InsertL2BlockTraces(traces)
-	assert.NoError(t, err)
+	assert.NoError(t, db.InsertWrappedBlocks(wrappedBlocks))
 
 	parentBatch := &types.BlockBatch{
 		Index: 0,
 		Hash:  "0x0000000000000000000000000000000000000000",
 	}
-	batchData := types.NewBatchData(parentBatch, []*geth_types.BlockTrace{
-		traces[0],
-		traces[1],
+	batchData := types.NewBatchData(parentBatch, []*types.WrappedBlock{
+		wrappedBlocks[0],
+		wrappedBlocks[1],
 	}, cfg.L2Config.BatchProposerConfig.PublicInputConfig)
 
 	batchHash := batchData.Hash().String()
@@ -96,7 +95,7 @@ func testCommitBatchAndFinalizeBatch(t *testing.T) {
 	assert.Equal(t, len(commitTxReceipt.Logs), 1)
 
 	// fetch rollup events
-	err = l1Watcher.FetchContractEvent(commitTxReceipt.BlockNumber.Uint64())
+	err = l1Watcher.FetchContractEvent()
 	assert.NoError(t, err)
 	status, err = db.GetRollupStatus(batchHash)
 	assert.NoError(t, err)
@@ -126,7 +125,7 @@ func testCommitBatchAndFinalizeBatch(t *testing.T) {
 	assert.Equal(t, len(finalizeTxReceipt.Logs), 1)
 
 	// fetch rollup events
-	err = l1Watcher.FetchContractEvent(finalizeTxReceipt.BlockNumber.Uint64())
+	err = l1Watcher.FetchContractEvent()
 	assert.NoError(t, err)
 	status, err = db.GetRollupStatus(batchHash)
 	assert.NoError(t, err)

bridge/utils/utils.go

@@ -29,19 +29,6 @@ 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)
@@ -76,23 +63,3 @@ 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/batch_proposer.go

@@ -1,22 +1,33 @@
-package l2
+package watcher
 
 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
@@ -67,18 +78,17 @@ type BatchProposer struct {
 	batchCommitTimeSec       uint64
 	commitCalldataSizeLimit  uint64
 	batchDataBufferSizeLimit uint64
+	commitCalldataMinSize    uint64
 
 	proofGenerationFreq uint64
 	batchDataBuffer     []*types.BatchData
-	relayer             *Layer2Relayer
+	relayer             *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 *Layer2Relayer, orm database.OrmFactory) *BatchProposer {
+func NewBatchProposer(ctx context.Context, cfg *config.BatchProposerConfig, relayer *relayer.Layer2Relayer, orm database.OrmFactory) *BatchProposer {
 	p := &BatchProposer{
 		mutex:                    sync.Mutex{},
 		ctx:                      ctx,
@@ -89,58 +99,22 @@ func NewBatchProposer(ctx context.Context, cfg *config.BatchProposerConfig, rela
 		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()
-					p.tryCommitBatches()
-				}
-			}
-		}(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)
@@ -212,11 +186,12 @@ func (p *BatchProposer) recoverBatchDataBuffer() {
 	}
 }
 
-func (p *BatchProposer) tryProposeBatch() {
+// TryProposeBatch will try to propose a batch.
+func (p *BatchProposer) TryProposeBatch() {
 	p.mutex.Lock()
 	defer p.mutex.Unlock()
 
-	if p.getBatchDataBufferSize() < p.batchDataBufferSizeLimit {
+	for p.getBatchDataBufferSize() < p.batchDataBufferSizeLimit {
 		blocks, err := p.orm.GetUnbatchedL2Blocks(
 			map[string]interface{}{},
 			fmt.Sprintf("order by number ASC LIMIT %d", p.batchBlocksLimit),
@@ -226,11 +201,23 @@ func (p *BatchProposer) tryProposeBatch() {
 			return
 		}
 
-		p.proposeBatch(blocks)
+		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)
+		}
 	}
 }
 
-func (p *BatchProposer) tryCommitBatches() {
+// TryCommitBatches will try to commit the pending batches.
+func (p *BatchProposer) TryCommitBatches() {
 	p.mutex.Lock()
 	defer p.mutex.Unlock()
 
@@ -270,54 +257,112 @@ 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) {
+func (p *BatchProposer) proposeBatch(blocks []*types.BlockInfo) bool {
 	if len(blocks) == 0 {
-		return
+		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
 	}
 
 	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
+		return true
 	}
 
 	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
+		return true
 	}
 
-	var gasUsed, txNum uint64
+	var gasUsed, txNum, payloadSize uint64
 	reachThreshold := false
 	// add blocks into batch until reach batchGasThreshold
 	for i, block := range blocks {
-		if (gasUsed+block.GasUsed > p.batchGasThreshold) || (txNum+block.TxNum > p.batchTxNumThreshold) {
+		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) {
 			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
+		return false
 	}
 
 	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 {
@@ -343,16 +388,16 @@ func (p *BatchProposer) createBatchForBlocks(blocks []*types.BlockInfo) error {
 }
 
 func (p *BatchProposer) generateBatchData(parentBatch *types.BlockBatch, blocks []*types.BlockInfo) (*types.BatchData, error) {
-	var traces []*geth_types.BlockTrace
+	var wrappedBlocks []*types.WrappedBlock
 	for _, block := range blocks {
-		trs, err := p.orm.GetL2BlockTraces(map[string]interface{}{"hash": block.Hash})
+		trs, err := p.orm.GetL2WrappedBlocks(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
 		}
-		traces = append(traces, trs[0])
+		wrappedBlocks = append(wrappedBlocks, trs[0])
 	}
-	return types.NewBatchData(parentBatch, traces, p.piCfg), nil
+	return types.NewBatchData(parentBatch, wrappedBlocks, p.piCfg), nil
 }
 
 func (p *BatchProposer) getBatchDataBufferSize() (size uint64) {

bridge/watcher/batch_proposer_test.go

@@ -1,4 +1,4 @@
-package l2
+package watcher_test
 
 import (
 	"context"
@@ -6,13 +6,15 @@ import (
 	"math"
 	"testing"
 
-	geth_types "github.com/scroll-tech/go-ethereum/core/types"
+	"github.com/scroll-tech/go-ethereum/common"
 	"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"
 )
@@ -22,34 +24,49 @@ func testBatchProposerProposeBatch(t *testing.T) {
 	db, err := database.NewOrmFactory(cfg.DBConfig)
 	assert.NoError(t, err)
 	assert.NoError(t, migrate.ResetDB(db.GetDB().DB))
-	defer db.Close()
+	ctx := context.Background()
+	subCtx, cancel := context.WithCancel(ctx)
+
+	defer func() {
+		cancel()
+		db.Close()
+	}()
 
 	// Insert traces into db.
-	assert.NoError(t, db.InsertL2BlockTraces([]*geth_types.BlockTrace{blockTrace1}))
+	assert.NoError(t, db.InsertWrappedBlocks([]*types.WrappedBlock{wrappedBlock1}))
 
 	l2cfg := cfg.L2Config
-	wc := NewL2WatcherClient(context.Background(), l2Cli, l2cfg.Confirmations, l2cfg.L2MessengerAddress, l2cfg.L2MessageQueueAddress, db)
-	wc.Start()
-	defer wc.Stop()
+	wc := watcher.NewL2WatcherClient(context.Background(), l2Cli, l2cfg.Confirmations, l2cfg.L2MessengerAddress, l2cfg.L2MessageQueueAddress, l2cfg.WithdrawTrieRootSlot, db)
+	loopToFetchEvent(subCtx, wc)
 
-	relayer, err := NewLayer2Relayer(context.Background(), l2Cli, db, cfg.L2Config.RelayerConfig)
+	batch, err := db.GetLatestBatch()
 	assert.NoError(t, err)
 
-	proposer := NewBatchProposer(context.Background(), &config.BatchProposerConfig{
+	// 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{
 		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(batchData1.Hash().Hex())
+	exist, err := db.BatchRecordExist(batchData.Hash().Hex())
 	assert.NoError(t, err)
 	assert.Equal(t, true, exist)
 }
@@ -61,13 +78,26 @@ func testBatchProposerGracefulRestart(t *testing.T) {
 	assert.NoError(t, migrate.ResetDB(db.GetDB().DB))
 	defer db.Close()
 
-	relayer, err := NewLayer2Relayer(context.Background(), l2Cli, db, cfg.L2Config.RelayerConfig)
+	relayer, err := relayer.NewLayer2Relayer(context.Background(), l2Cli, db, cfg.L2Config.RelayerConfig)
 	assert.NoError(t, err)
 
 	// Insert traces into db.
-	assert.NoError(t, db.InsertL2BlockTraces([]*geth_types.BlockTrace{blockTrace2}))
+	assert.NoError(t, db.InsertWrappedBlocks([]*types.WrappedBlock{wrappedBlock2}))
 
 	// 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))
@@ -85,7 +115,7 @@ func testBatchProposerGracefulRestart(t *testing.T) {
 	assert.Equal(t, 1, len(batchHashes))
 	assert.Equal(t, batchData2.Hash().Hex(), batchHashes[0])
 	// test p.recoverBatchDataBuffer().
-	_ = NewBatchProposer(context.Background(), &config.BatchProposerConfig{
+	_ = watcher.NewBatchProposer(context.Background(), &config.BatchProposerConfig{
 		ProofGenerationFreq: 1,
 		BatchGasThreshold:   3000000,
 		BatchTxNumThreshold: 135,

bridge/watcher/common.go

@@ -0,0 +1,11 @@
+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/l1_watcher.go

@@ -1,9 +1,8 @@
-package l1
+package watcher
 
 import (
 	"context"
 	"math/big"
-	"time"
 
 	geth "github.com/scroll-tech/go-ethereum"
 	"github.com/scroll-tech/go-ethereum/accounts/abi"
@@ -12,9 +11,10 @@ import (
 	"github.com/scroll-tech/go-ethereum/crypto"
 	"github.com/scroll-tech/go-ethereum/ethclient"
 	"github.com/scroll-tech/go-ethereum/log"
-	"github.com/scroll-tech/go-ethereum/metrics"
+	geth_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"
@@ -24,14 +24,12 @@ import (
 )
 
 var (
-	bridgeL1MsgSyncHeightGauge = metrics.NewRegisteredGauge("bridge/l1/msg/sync/height", nil)
-)
+	bridgeL1MsgsSyncHeightGauge = geth_metrics.NewRegisteredGauge("bridge/l1/msgs/sync/height", metrics.ScrollRegistry)
 
-type relayedMessage struct {
-	msgHash      common.Hash
-	txHash       common.Hash
-	isSuccessful bool
-}
+	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)
+)
 
 type rollupEvent struct {
 	batchHash common.Hash
@@ -39,8 +37,8 @@ type rollupEvent struct {
 	status    types.RollupStatus
 }
 
-// Watcher will listen for smart contract events from Eth L1.
-type Watcher struct {
+// L1WatcherClient will listen for smart contract events from Eth L1.
+type L1WatcherClient struct {
 	ctx    context.Context
 	client *ethclient.Client
 	db     database.OrmFactory
@@ -61,13 +59,10 @@ type Watcher struct {
 	processedMsgHeight uint64
 	// The height of the block that the watcher has retrieved header rlp
 	processedBlockHeight uint64
-
-	stopCh chan bool
 }
 
-// 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 {
+// 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 {
 	savedHeight, err := db.GetLayer1LatestWatchedHeight()
 	if err != nil {
 		log.Warn("Failed to fetch height from db", "err", err)
@@ -86,9 +81,7 @@ func NewWatcher(ctx context.Context, client *ethclient.Client, startHeight uint6
 		savedL1BlockHeight = startHeight
 	}
 
-	stopCh := make(chan bool)
-
-	return &Watcher{
+	return &L1WatcherClient{
 		ctx:           ctx,
 		client:        client,
 		db:            db,
@@ -105,75 +98,11 @@ func NewWatcher(ctx context.Context, client *ethclient.Client, startHeight uint6
 
 		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 *Watcher) FetchBlockHeader(blockHeight uint64) error {
+func (w *L1WatcherClient) FetchBlockHeader(blockHeight uint64) error {
 	fromBlock := int64(w.processedBlockHeight) + 1
 	toBlock := int64(blockHeight)
 	if toBlock < fromBlock {
@@ -219,10 +148,15 @@ func (w *Watcher) FetchBlockHeader(blockHeight uint64) error {
 }
 
 // FetchContractEvent pull latest event logs from given contract address and save in DB
-func (w *Watcher) FetchContractEvent(blockHeight uint64) error {
+func (w *L1WatcherClient) FetchContractEvent() 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)
@@ -259,7 +193,7 @@ func (w *Watcher) FetchContractEvent(blockHeight uint64) error {
 		}
 		if len(logs) == 0 {
 			w.processedMsgHeight = uint64(to)
-			bridgeL1MsgSyncHeightGauge.Update(to)
+			bridgeL1MsgsSyncHeightGauge.Update(to)
 			continue
 		}
 		log.Info("Received new L1 events", "fromBlock", from, "toBlock", to, "cnt", len(logs))
@@ -269,7 +203,13 @@ func (w *Watcher) FetchContractEvent(blockHeight uint64) error {
 			log.Error("Failed to parse emitted events log", "err", err)
 			return err
 		}
-		log.Info("L1 events types", "SentMessageCount", len(sentMessageEvents), "RelayedMessageCount", len(relayedMessageEvents), "RollupEventCount", len(rollupEvents))
+		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)
 
 		// use rollup event to update rollup results db status
 		var batchHashes []string
@@ -323,13 +263,13 @@ func (w *Watcher) FetchContractEvent(blockHeight uint64) error {
 		}
 
 		w.processedMsgHeight = uint64(to)
-		bridgeL1MsgSyncHeightGauge.Update(to)
+		bridgeL1MsgsSyncHeightGauge.Update(to)
 	}
 
 	return nil
 }
 
-func (w *Watcher) parseBridgeEventLogs(logs []geth_types.Log) ([]*types.L1Message, []relayedMessage, []rollupEvent, error) {
+func (w *L1WatcherClient) 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/watcher/l1_watcher_test.go

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

bridge/watcher/l2_watcher.go

@@ -1,44 +1,44 @@
-package l2
+package watcher
 
 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"
-	"github.com/scroll-tech/go-ethereum/metrics"
+	geth_metrics "github.com/scroll-tech/go-ethereum/metrics"
 	"github.com/scroll-tech/go-ethereum/rpc"
 
-	bridge_abi "scroll-tech/bridge/abi"
-	"scroll-tech/bridge/utils"
-
+	"scroll-tech/common/metrics"
 	"scroll-tech/common/types"
 
 	"scroll-tech/database"
+
+	bridge_abi "scroll-tech/bridge/abi"
+	"scroll-tech/bridge/utils"
 )
 
 // Metrics
 var (
-	bridgeL2MsgSyncHeightGauge = metrics.NewRegisteredGauge("bridge/l2/msg/sync/height", nil)
+	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)
 )
 
-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 {
+// L2WatcherClient provide APIs which support others to subscribe to various event from l2geth
+type L2WatcherClient struct {
 	ctx context.Context
 	event.Feed
 
@@ -51,25 +51,25 @@ type WatcherClient struct {
 	messengerAddress common.Address
 	messengerABI     *abi.ABI
 
-	messageQueueAddress common.Address
-	messageQueueABI     *abi.ABI
+	messageQueueAddress  common.Address
+	messageQueueABI      *abi.ABI
+	withdrawTrieRootSlot common.Hash
 
 	// 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, orm database.OrmFactory) *WatcherClient {
+func NewL2WatcherClient(ctx context.Context, client *ethclient.Client, confirmations rpc.BlockNumber, messengerAddress, messageQueueAddress common.Address, withdrawTrieRootSlot common.Hash, orm database.OrmFactory) *L2WatcherClient {
 	savedHeight, err := orm.GetLayer2LatestWatchedHeight()
 	if err != nil {
 		log.Warn("fetch height from db failed", "err", err)
 		savedHeight = 0
 	}
 
-	w := WatcherClient{
+	w := L2WatcherClient{
 		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,
+		messageQueueAddress:  messageQueueAddress,
+		messageQueueABI:      bridge_abi.L2MessageQueueABI,
+		withdrawTrieRootSlot: withdrawTrieRootSlot,
 
-		stopCh:  make(chan struct{}),
 		stopped: 0,
 	}
 
@@ -94,7 +94,7 @@ func NewL2WatcherClient(ctx context.Context, client *ethclient.Client, confirmat
 	return &w
 }
 
-func (w *WatcherClient) initializeGenesis() error {
+func (w *L2WatcherClient) initializeGenesis() error {
 	if count, err := w.orm.GetBatchCount(); err != nil {
 		return fmt.Errorf("failed to get batch count: %v", err)
 	} else if count > 0 {
@@ -109,15 +109,7 @@ func (w *WatcherClient) initializeGenesis() error {
 
 	log.Info("retrieved L2 genesis header", "hash", genesis.Hash().String())
 
-	blockTrace := &geth_types.BlockTrace{
-		Coinbase:         nil,
-		Header:           genesis,
-		Transactions:     []*geth_types.TransactionData{},
-		StorageTrace:     nil,
-		ExecutionResults: []*geth_types.ExecutionResult{},
-		MPTWitness:       nil,
-	}
-
+	blockTrace := &types.WrappedBlock{Header: genesis, Transactions: nil, WithdrawTrieRoot: common.Hash{}}
 	batchData := types.NewGenesisBatchData(blockTrace)
 
 	if err = AddBatchInfoToDB(w.orm, batchData); err != nil {
@@ -140,79 +132,16 @@ func (w *WatcherClient) 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)
 
-// try fetch missing blocks if inconsistent
-func (w *WatcherClient) tryFetchRunningMissingBlocks(ctx context.Context, blockHeight uint64) {
+// TryFetchRunningMissingBlocks try fetch missing blocks if inconsistent
+func (w *L2WatcherClient) 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.GetL2BlockTracesLatestHeight()
+	heightInDB, err := w.orm.GetL2BlocksLatestHeight()
 	if err != nil {
-		log.Error("failed to GetL2BlockTracesLatestHeight", "err", err)
+		log.Error("failed to GetL2BlocksLatestHeight", "err", err)
 		return
 	}
 
@@ -234,25 +163,60 @@ func (w *WatcherClient) tryFetchRunningMissingBlocks(ctx context.Context, blockH
 			log.Error("fail to getAndStoreBlockTraces", "from", from, "to", to, "err", err)
 			return
 		}
+		bridgeL2BlocksFetchedHeightGauge.Update(int64(to))
+		bridgeL2BlocksFetchedGapGauge.Update(int64(blockHeight - to))
 	}
 }
 
-func (w *WatcherClient) getAndStoreBlockTraces(ctx context.Context, from, to uint64) error {
-	var traces []*geth_types.BlockTrace
+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
 
 	for number := from; number <= to; number++ {
-		log.Debug("retrieving block trace", "height", number)
-		trace, err2 := w.GetBlockTraceByNumber(ctx, big.NewInt(int64(number)))
+		log.Debug("retrieving block", "height", number)
+		block, err2 := w.BlockByNumber(ctx, big.NewInt(int64(number)))
 		if err2 != nil {
-			return fmt.Errorf("failed to GetBlockResultByHash: %v. number: %v", err2, number)
+			return fmt.Errorf("failed to GetBlockByNumber: %v. number: %v", err2, number)
 		}
-		log.Info("retrieved block trace", "height", trace.Header.Number, "hash", trace.Header.Hash().String())
 
-		traces = append(traces, trace)
+		log.Info("retrieved block", "height", block.Header().Number, "hash", block.Header().Hash().String())
 
+		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(traces) > 0 {
-		if err := w.orm.InsertL2BlockTraces(traces); err != nil {
+
+	if len(blocks) > 0 {
+		if err := w.orm.InsertWrappedBlocks(blocks); err != nil {
 			return fmt.Errorf("failed to batch insert BlockTraces: %v", err)
 		}
 	}
@@ -260,14 +224,18 @@ func (w *WatcherClient) getAndStoreBlockTraces(ctx context.Context, from, to uin
 	return nil
 }
 
-const contractEventsBlocksFetchLimit = int64(10)
-
 // FetchContractEvent pull latest event logs from given contract address and save in DB
-func (w *WatcherClient) FetchContractEvent(blockHeight uint64) {
+func (w *L2WatcherClient) FetchContractEvent() {
 	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)
 
@@ -301,7 +269,7 @@ func (w *WatcherClient) FetchContractEvent(blockHeight uint64) {
 		}
 		if len(logs) == 0 {
 			w.processedMsgHeight = uint64(to)
-			bridgeL2MsgSyncHeightGauge.Update(to)
+			bridgeL2MsgsSyncHeightGauge.Update(to)
 			continue
 		}
 		log.Info("received new L2 messages", "fromBlock", from, "toBlock", to, "cnt", len(logs))
@@ -312,6 +280,12 @@ func (w *WatcherClient) FetchContractEvent(blockHeight uint64) {
 			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 {
@@ -333,11 +307,11 @@ func (w *WatcherClient) FetchContractEvent(blockHeight uint64) {
 		}
 
 		w.processedMsgHeight = uint64(to)
-		bridgeL2MsgSyncHeightGauge.Update(to)
+		bridgeL2MsgsSyncHeightGauge.Update(to)
 	}
 }
 
-func (w *WatcherClient) parseBridgeEventLogs(logs []geth_types.Log) ([]*types.L2Message, []relayedMessage, error) {
+func (w *L2WatcherClient) 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
 
@@ -422,6 +396,7 @@ func (w *WatcherClient) parseBridgeEventLogs(logs []geth_types.Log) ([]*types.L2
 
 			lastAppendMsgHash = event.MessageHash
 			lastAppendMsgNonce = event.Index.Uint64()
+			bridgeL2MsgsAppendEventsTotalCounter.Inc(1)
 		default:
 			log.Error("Unknown event", "topic", vLog.Topics[0], "txHash", vLog.TxHash)
 		}

bridge/watcher/l2_watcher_test.go

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

@@ -0,0 +1,91 @@
+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/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

@@ -0,0 +1,26 @@
+# 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/event_watcher.Dockerfile.dockerignore

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

build/dockerfiles/gas_oracle.Dockerfile

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

build/dockerfiles/gas_oracle.Dockerfile.dockerignore

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

build/dockerfiles/msg_relayer.Dockerfile

@@ -0,0 +1,26 @@
+# 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

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

build/dockerfiles/rollup_relayer.Dockerfile

@@ -0,0 +1,26 @@
+# 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

@@ -0,0 +1,5 @@
+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/run_tests.sh

@@ -0,0 +1,26 @@
+#!/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

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

common/bytecode/Makefile

@@ -0,0 +1,49 @@
+.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

@@ -0,0 +1,40 @@
+## 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

@@ -0,0 +1,387 @@
+{
+  "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

@@ -0,0 +1,72 @@
+{
+  "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

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

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

@@ -0,0 +1,237 @@
+{
+  "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

@@ -0,0 +1,256 @@
+{
+  "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

@@ -0,0 +1,273 @@
+{
+  "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",
+              "name": "_data",
+              "type": "bytes"
+            }
+          ],
+          "name": "getL1Fee",
+          "outputs": [
+            {
+              "internalType": "uint256",
+              "name": "",
+              "type": "uint256"
+            }
+          ],
+          "stateMutability": "view",
+          "type": "function"
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "bytes",
+              "name": "_data",
+              "type": "bytes"
+            }
+          ],
+          "name": "getL1GasUsed",
+          "outputs": [
+            {
+              "internalType": "uint256",
+              "name": "",
+              "type": "uint256"
+            }
+          ],
+          "stateMutability": "view",
+          "type": "function"
+        },
+        {
+          "inputs": [],
+          "name": "l1BaseFee",
+          "outputs": [
+            {
+              "internalType": "uint256",
+              "name": "",
+              "type": "uint256"
+            }
+          ],
+          "stateMutability": "view",
+          "type": "function"
+        },
+        {
+          "inputs": [],
+          "name": "overhead",
+          "outputs": [
+            {
+              "internalType": "uint256",
+              "name": "",
+              "type": "uint256"
+            }
+          ],
+          "stateMutability": "view",
+          "type": "function"
+        },
+        {
+          "inputs": [],
+          "name": "owner",
+          "outputs": [
+            {
+              "internalType": "address",
+              "name": "",
+              "type": "address"
+            }
+          ],
+          "stateMutability": "view",
+          "type": "function"
+        },
+        {
+          "inputs": [],
+          "name": "renounceOwnership",
+          "outputs": [],
+          "stateMutability": "nonpayable",
+          "type": "function"
+        },
+        {
+          "inputs": [],
+          "name": "scalar",
+          "outputs": [
+            {
+              "internalType": "uint256",
+              "name": "",
+              "type": "uint256"
+            }
+          ],
+          "stateMutability": "view",
+          "type": "function"
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "uint256",
+              "name": "_l1BaseFee",
+              "type": "uint256"
+            }
+          ],
+          "name": "setL1BaseFee",
+          "outputs": [],
+          "stateMutability": "nonpayable",
+          "type": "function"
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "uint256",
+              "name": "_overhead",
+              "type": "uint256"
+            }
+          ],
+          "name": "setOverhead",
+          "outputs": [],
+          "stateMutability": "nonpayable",
+          "type": "function"
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "uint256",
+              "name": "_scalar",
+              "type": "uint256"
+            }
+          ],
+          "name": "setScalar",
+          "outputs": [],
+          "stateMutability": "nonpayable",
+          "type": "function"
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "_newOwner",
+              "type": "address"
+            }
+          ],
+          "name": "transferOwnership",
+          "outputs": [],
+          "stateMutability": "nonpayable",
+          "type": "function"
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "_newWhitelist",
+              "type": "address"
+            }
+          ],
+          "name": "updateWhitelist",
+          "outputs": [],
+          "stateMutability": "nonpayable",
+          "type": "function"
+        },
+        {
+          "inputs": [],
+          "name": "whitelist",
+          "outputs": [
+            {
+              "internalType": "contract IWhitelist",
+              "name": "",
+              "type": "address"
+            }
+          ],
+          "stateMutability": "view",
+          "type": "function"
+        }
+      ],
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+    }
+  },
+  "version": "0.8.17+commit.8df45f5f.Darwin.appleclang"
+}

common/bytecode/scroll/L2/predeploys/L2MessageQueue.json

@@ -0,0 +1,189 @@
+{
+  "contracts": {
+    "scroll/L2/predeploys/L2MessageQueue.sol:L2MessageQueue": {
+      "abi": [
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "_owner",
+              "type": "address"
+            }
+          ],
+          "stateMutability": "nonpayable",
+          "type": "constructor"
+        },
+        {
+          "anonymous": false,
+          "inputs": [
+            {
+              "indexed": false,
+              "internalType": "uint256",
+              "name": "index",
+              "type": "uint256"
+            },
+            {
+              "indexed": false,
+              "internalType": "bytes32",
+              "name": "messageHash",
+              "type": "bytes32"
+            }
+          ],
+          "name": "AppendMessage",
+          "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"
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "bytes32",
+              "name": "_messageHash",
+              "type": "bytes32"
+            }
+          ],
+          "name": "appendMessage",
+          "outputs": [
+            {
+              "internalType": "bytes32",
+              "name": "",
+              "type": "bytes32"
+            }
+          ],
+          "stateMutability": "nonpayable",
+          "type": "function"
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "uint256",
+              "name": "",
+              "type": "uint256"
+            }
+          ],
+          "name": "branches",
+          "outputs": [
+            {
+              "internalType": "bytes32",
+              "name": "",
+              "type": "bytes32"
+            }
+          ],
+          "stateMutability": "view",
+          "type": "function"
+        },
+        {
+          "inputs": [],
+          "name": "initialize",
+          "outputs": [],
+          "stateMutability": "nonpayable",
+          "type": "function"
+        },
+        {
+          "inputs": [],
+          "name": "messageRoot",
+          "outputs": [
+            {
+              "internalType": "bytes32",
+              "name": "",
+              "type": "bytes32"
+            }
+          ],
+          "stateMutability": "view",
+          "type": "function"
+        },
+        {
+          "inputs": [],
+          "name": "messenger",
+          "outputs": [
+            {
+              "internalType": "address",
+              "name": "",
+              "type": "address"
+            }
+          ],
+          "stateMutability": "view",
+          "type": "function"
+        },
+        {
+          "inputs": [],
+          "name": "nextMessageIndex",
+          "outputs": [
+            {
+              "internalType": "uint256",
+              "name": "",
+              "type": "uint256"
+            }
+          ],
+          "stateMutability": "view",
+          "type": "function"
+        },
+        {
+          "inputs": [],
+          "name": "owner",
+          "outputs": [
+            {
+              "internalType": "address",
+              "name": "",
+              "type": "address"
+            }
+          ],
+          "stateMutability": "view",
+          "type": "function"
+        },
+        {
+          "inputs": [],
+          "name": "renounceOwnership",
+          "outputs": [],
+          "stateMutability": "nonpayable",
+          "type": "function"
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "_newOwner",
+              "type": "address"
+            }
+          ],
+          "name": "transferOwnership",
+          "outputs": [],
+          "stateMutability": "nonpayable",
+          "type": "function"
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "_messenger",
+              "type": "address"
+            }
+          ],
+          "name": "updateMessenger",
+          "outputs": [],
+          "stateMutability": "nonpayable",
+          "type": "function"
+        }
+      ],
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+    }
+  },
+  "version": "0.8.17+commit.8df45f5f.Darwin.appleclang"
+}

common/bytecode/scroll/L2/predeploys/L2TxFeeVault.json

@@ -0,0 +1,205 @@
+{
+  "contracts": {
+    "scroll/L2/predeploys/L2TxFeeVault.sol:L2TxFeeVault": {
+      "abi": [
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "_owner",
+              "type": "address"
+            },
+            {
+              "internalType": "address",
+              "name": "_recipient",
+              "type": "address"
+            }
+          ],
+          "stateMutability": "nonpayable",
+          "type": "constructor"
+        },
+        {
+          "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": "value",
+              "type": "uint256"
+            },
+            {
+              "indexed": false,
+              "internalType": "address",
+              "name": "to",
+              "type": "address"
+            },
+            {
+              "indexed": false,
+              "internalType": "address",
+              "name": "from",
+              "type": "address"
+            }
+          ],
+          "name": "Withdrawal",
+          "type": "event"
+        },
+        {
+          "inputs": [],
+          "name": "messenger",
+          "outputs": [
+            {
+              "internalType": "address",
+              "name": "",
+              "type": "address"
+            }
+          ],
+          "stateMutability": "view",
+          "type": "function"
+        },
+        {
+          "inputs": [],
+          "name": "minWithdrawAmount",
+          "outputs": [
+            {
+              "internalType": "uint256",
+              "name": "",
+              "type": "uint256"
+            }
+          ],
+          "stateMutability": "view",
+          "type": "function"
+        },
+        {
+          "inputs": [],
+          "name": "owner",
+          "outputs": [
+            {
+              "internalType": "address",
+              "name": "",
+              "type": "address"
+            }
+          ],
+          "stateMutability": "view",
+          "type": "function"
+        },
+        {
+          "inputs": [],
+          "name": "recipient",
+          "outputs": [
+            {
+              "internalType": "address",
+              "name": "",
+              "type": "address"
+            }
+          ],
+          "stateMutability": "view",
+          "type": "function"
+        },
+        {
+          "inputs": [],
+          "name": "renounceOwnership",
+          "outputs": [],
+          "stateMutability": "nonpayable",
+          "type": "function"
+        },
+        {
+          "inputs": [],
+          "name": "totalProcessed",
+          "outputs": [
+            {
+              "internalType": "uint256",
+              "name": "",
+              "type": "uint256"
+            }
+          ],
+          "stateMutability": "view",
+          "type": "function"
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "_newOwner",
+              "type": "address"
+            }
+          ],
+          "name": "transferOwnership",
+          "outputs": [],
+          "stateMutability": "nonpayable",
+          "type": "function"
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "_messenger",
+              "type": "address"
+            }
+          ],
+          "name": "updateMessenger",
+          "outputs": [],
+          "stateMutability": "nonpayable",
+          "type": "function"
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "uint256",
+              "name": "_minWithdrawAmount",
+              "type": "uint256"
+            }
+          ],
+          "name": "updateMinWithdrawAmount",
+          "outputs": [],
+          "stateMutability": "nonpayable",
+          "type": "function"
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "_recipient",
+              "type": "address"
+            }
+          ],
+          "name": "updateRecipient",
+          "outputs": [],
+          "stateMutability": "nonpayable",
+          "type": "function"
+        },
+        {
+          "inputs": [],
+          "name": "withdraw",
+          "outputs": [],
+          "stateMutability": "nonpayable",
+          "type": "function"
+        },
+        {
+          "stateMutability": "payable",
+          "type": "receive"
+        }
+      ],
+      "bin": "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"
+    }
+  },
+  "version": "0.8.17+commit.8df45f5f.Darwin.appleclang"
+}