feat: update db sql show

.github/pull_request_template.md

@@ -1,34 +1,7 @@
-### Purpose or design rationale of this PR
-
-*Describe your change. Make sure to answer these three questions: What does this PR do? Why does it do it? How does it do it?*
+1. Purpose or design rationale of this PR
 
 
-### PR title
-
-Your PR title must follow [conventional commits](https://www.conventionalcommits.org/en/v1.0.0/#summary) (as we are doing squash merge for each PR), so it must start with one of the following [types](https://github.com/angular/angular/blob/22b96b9/CONTRIBUTING.md#type):
-
-- [ ] build: Changes that affect the build system or external dependencies (example scopes: yarn, eslint, typescript)
-- [ ] ci: Changes to our CI configuration files and scripts (example scopes: vercel, github, cypress)
-- [ ] docs: Documentation-only changes
-- [ ] feat: A new feature
-- [ ] fix: A bug fix
-- [ ] perf: A code change that improves performance
-- [ ] refactor: A code change that doesn't fix a bug, or add a feature, or improves performance
-- [ ] style: Changes that do not affect the meaning of the code (white-space, formatting, missing semi-colons, etc)
-- [ ] test: Adding missing tests or correcting existing tests
+2. Does this PR involve a new deployment, and involve a new git tag & docker image tag? If so, has `tag` in `common/version.go` been updated? 
 
 
-### Deployment tag versioning
-
-Has `tag` in `common/version.go` been updated or have you added `bump-version` label to this PR?
-
-- [ ] No, this PR doesn't involve a new deployment, git tag, docker image tag
-- [ ] Yes
-
-
-### Breaking change label
-
-Does this PR have the `breaking-change` label?
-
-- [ ] No, this PR is not a breaking change
-- [ ] Yes
+3. Is this PR a breaking change? If so, have it been attached a `breaking-change` label?

.github/scripts/bump_version_dot_go.mjs

@@ -1,37 +0,0 @@
-import { URL } from "url";
-import { readFileSync, writeFileSync } from "fs";
-
-const versionFilePath = new URL(
-  "../../common/version/version.go",
-  import.meta.url
-).pathname;
-
-const versionFileContent = readFileSync(versionFilePath, { encoding: "utf-8" });
-
-const currentVersion = versionFileContent.match(
-  /var tag = "(?<version>v(?<major>\d+)\.(?<minor>\d+)\.(?<patch>\d+))"/
-);
-
-try {
-  parseInt(currentVersion.groups.major);
-  parseInt(currentVersion.groups.minor);
-  parseInt(currentVersion.groups.patch);
-} catch (err) {
-  console.error(new Error("Failed to parse version in version.go file"));
-  throw err;
-}
-
-// prettier-ignore
-const newVersion = `v${currentVersion.groups.major}.${currentVersion.groups.minor}.${parseInt(currentVersion.groups.patch) + 1}`;
-
-console.log(
-  `Bump version from ${currentVersion.groups.version} to ${newVersion}`
-);
-
-writeFileSync(
-  versionFilePath,
-  versionFileContent.replace(
-    `var tag = "${currentVersion.groups.version}"`,
-    `var tag = "${newVersion}"`
-  )
-);

.github/workflows/bridge.yml

@@ -0,0 +1,76 @@
+name: Bridge
+
+on:
+  push:
+    branches:
+      - main
+      - staging
+      - develop
+      - alpha
+    paths:
+      - 'bridge/**'
+      - '.github/workflows/bridge.yml'
+  pull_request:
+    branches:
+      - main
+      - staging
+      - develop
+      - alpha
+    paths:
+      - 'bridge/**'
+      - '.github/workflows/bridge.yml'
+
+defaults:
+  run:
+    working-directory: 'bridge'
+
+jobs:
+  check:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Install Go
+      uses: actions/setup-go@v2
+      with:
+        go-version: 1.18.x
+    - name: Checkout code
+      uses: actions/checkout@v2
+    - name: Install Solc
+      uses: supplypike/setup-bin@v3
+      with:
+        uri: 'https://github.com/ethereum/solidity/releases/download/v0.8.16/solc-static-linux'
+        name: 'solc'
+        version: '0.8.16'
+    - name: Install Geth Tools
+      uses: gacts/install-geth-tools@v1
+    - name: Lint
+      run: |
+        rm -rf $HOME/.cache/golangci-lint
+        make mock_abi
+        make lint
+  goimports-lint:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Install Go
+      uses: actions/setup-go@v2
+      with:
+        go-version: 1.18.x
+    - name: Checkout code
+      uses: actions/checkout@v2
+    - name: Install goimports
+      run: go install golang.org/x/tools/cmd/goimports
+    - run: goimports -local scroll-tech/bridge/ -w .
+    - run: go mod tidy
+    # If there are any diffs from goimports or go mod tidy, fail.
+    - name: Verify no changes from goimports and go mod tidy
+      run: |
+        if [ -n "$(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/bump_version.yml

@@ -1,63 +0,0 @@
-name: Bump version
-
-on:
-  pull_request:
-    branches: [ develop ]
-    types:
-      - opened
-      - reopened
-      - synchronize
-      - ready_for_review
-      - labeled
-
-jobs:
-  try-to-bump:
-    if: contains(github.event.pull_request.labels.*.name, 'bump-version')
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v3
-        with:
-          ref: ${{ github.head_ref }}
-      - name: check diff
-        id: check_diff
-        run: |
-          set -euo pipefail
-
-          # fetch develop branch so that we can diff against later
-          git fetch origin develop
-
-          echo 'checking verion changes in diff...'
-
-          # check if version changed in version.go
-          # note: the grep will fail if use \d instead of [0-9]
-          git diff HEAD..origin/develop --text --no-ext-diff --unified=0 --no-prefix common/version/version.go | grep -E '^\+var tag = "v[0-9]+\.[0-9]+\.[0-9]+"$' && true
-
-          exit_code=$?
-
-          # auto bump if version is not bumped manually
-          echo '> require auto version bump?'
-
-          if [ $exit_code -eq 0 ]; then
-            echo '> no, already bumped'
-            echo "result=no-bump" >> "$GITHUB_OUTPUT"
-          else
-            echo '> yes'
-            echo "result=bump" >> "$GITHUB_OUTPUT"
-          fi
-      - name: Install Node.js 16
-        if: steps.check_diff.outputs.result == 'bump'
-        uses: actions/setup-node@v3
-        with:
-          node-version: 16
-      - name: bump version in common/version/version.go
-        if: steps.check_diff.outputs.result == 'bump'
-        run: node .github/scripts/bump_version_dot_go.mjs
-
-        # Commits made by this Action do not trigger new Workflow runs
-      - uses: stefanzweifel/git-auto-commit-action@3ea6ae190baf489ba007f7c92608f33ce20ef04a
-        if: steps.check_diff.outputs.result == 'bump'
-        with:
-          skip_fetch: true # already did fetch in check diff
-          file_pattern: "common/version/version.go"
-          commit_message: "chore: auto version bump [bot]"

.github/workflows/common.yml

@@ -9,22 +9,23 @@ on:
       - alpha
     paths:
       - 'common/**'
-      - '!common/version/version.go'
       - '.github/workflows/common.yml'
   pull_request:
-    types:
-      - opened
-      - reopened
-      - synchronize
-      - ready_for_review
+    branches:
+      - main
+      - staging
+      - develop
+      - alpha
     paths:
       - 'common/**'
-      - '!common/version/version.go'
       - '.github/workflows/common.yml'
 
+defaults:
+  run:
+    working-directory: 'common'
+
 jobs:
   check:
-    if: github.event.pull_request.draft == false
     runs-on: ubuntu-latest
     steps:
     - uses: actions-rs/toolchain@v1
@@ -35,7 +36,7 @@ jobs:
     - name: Install Go
       uses: actions/setup-go@v2
       with:
-        go-version: 1.19.x
+        go-version: 1.18.x
     - name: Checkout code
       uses: actions/checkout@v2
     - name: Cache cargo
@@ -43,63 +44,25 @@ jobs:
       with:
         workspaces: "common/libzkp/impl -> target"
     - name: Lint
-      working-directory: 'common'
       run: |
-        rm -rf $HOME/.cache/golangci-lint
+        rm -rf $HOME/.cache/golangci-lint 
         make lint
   goimports-lint:
-    if: github.event.pull_request.draft == false
     runs-on: ubuntu-latest
     steps:
     - name: Install Go
       uses: actions/setup-go@v2
       with:
-        go-version: 1.19.x
+        go-version: 1.18.x
     - name: Checkout code
       uses: actions/checkout@v2
     - name: Install goimports
       run: go install golang.org/x/tools/cmd/goimports
-    - name: Run goimports lint
-      working-directory: 'common'
-      run: goimports -local scroll-tech/common/ -w .
-    - name: Run go mod tidy
-      working-directory: 'common'
-      run: go mod tidy
+    - run: goimports -local scroll-tech/common/ -w .
+    - run: go mod tidy
     # If there are any diffs from goimports or go mod tidy, fail.
     - name: Verify no changes from goimports and go mod tidy
-      working-directory: 'common'
       run: |
         if [ -n "$(git status --porcelain)" ]; then
           exit 1
         fi
-  tests:
-    if: github.event.pull_request.draft == false
-    runs-on: ubuntu-latest
-    steps:
-    - name: Install Go
-      uses: actions/setup-go@v2
-      with:
-        go-version: 1.19.x
-    - name: Checkout code
-      uses: actions/checkout@v2
-    - name: Install Solc
-      uses: supplypike/setup-bin@v3
-      with:
-        uri: 'https://github.com/ethereum/solidity/releases/download/v0.8.16/solc-static-linux'
-        name: 'solc'
-        version: '0.8.16'
-    - name: Install Geth Tools
-      uses: gacts/install-geth-tools@v1
-    - name: Build prerequisites
-      run: |
-        make dev_docker
-    - name: Test common packages
-      working-directory: 'common'
-      run: |
-        go test -v -race -gcflags="-l" -ldflags="-s=false" -coverprofile=coverage.txt -covermode=atomic ./...
-    - name: Upload coverage reports to Codecov
-      uses: codecov/codecov-action@v3
-      env:
-        CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
-      with:
-        flags: common

.github/workflows/contracts.yaml

@@ -2,20 +2,10 @@ name: Contracts
 
 on:
   push:
-    branches:
-      - main
-      - staging
-      - develop
-      - alpha
     paths:
       - 'contracts/**'
       - '.github/workflows/contracts.yaml'
   pull_request:
-    types:
-      - opened
-      - reopened
-      - synchronize
-      - ready_for_review
     paths:
       - 'contracts/**'
       - '.github/workflows/contracts.yaml'
@@ -26,7 +16,6 @@ defaults:
 
 jobs:
   foundry:
-    if: github.event.pull_request.draft == false
     runs-on: ubuntu-latest
 
     steps:
@@ -39,7 +28,7 @@ jobs:
         uses: foundry-rs/foundry-toolchain@v1
         with:
           version: nightly
-
+      
       - name: Setup LCOV
         uses: hrishikesh-kadam/setup-lcov@v1
 
@@ -95,7 +84,6 @@ jobs:
           update-comment: true
 
   hardhat:
-    if: github.event.pull_request.draft == false
     runs-on: ubuntu-latest
 
     steps:

.github/workflows/coordinator.yml

@@ -9,26 +9,23 @@ on:
       - alpha
     paths:
       - 'coordinator/**'
-      - 'common/**'
-      - '!common/version/version.go'
-      - 'database/**'
       - '.github/workflows/coordinator.yml'
   pull_request:
-    types:
-      - opened
-      - reopened
-      - synchronize
-      - ready_for_review
+    branches:
+      - main
+      - staging
+      - develop
+      - alpha
     paths:
       - 'coordinator/**'
-      - 'common/**'
-      - '!common/version/version.go'
-      - 'database/**'
       - '.github/workflows/coordinator.yml'
 
+defaults:
+  run:
+    working-directory: 'coordinator'
+
 jobs:
   check:
-    if: github.event.pull_request.draft == false
     runs-on: ubuntu-latest
     steps:
     - uses: actions-rs/toolchain@v1
@@ -39,41 +36,33 @@ jobs:
     - name: Install Go
       uses: actions/setup-go@v2
       with:
-        go-version: 1.19.x
+        go-version: 1.18.x
     - name: Checkout code
       uses: actions/checkout@v2
     - name: Lint
-      working-directory: 'coordinator'
       run: |
         rm -rf $HOME/.cache/golangci-lint
         make lint
   goimports-lint:
-    if: github.event.pull_request.draft == false
     runs-on: ubuntu-latest
     steps:
     - name: Install Go
       uses: actions/setup-go@v2
       with:
-        go-version: 1.19.x
+        go-version: 1.18.x
     - name: Checkout code
       uses: actions/checkout@v2
     - name: Install goimports
       run: go install golang.org/x/tools/cmd/goimports
-    - name: Run goimports lint
-      working-directory: 'coordinator'
-      run: goimports -local scroll-tech/coordinator/ -w .
-    - name: Run go mod tidy
-      working-directory: 'coordinator'
-      run: go mod tidy
+    - run: goimports -local scroll-tech/coordinator/ -w .
+    - run: go mod tidy
     # If there are any diffs from goimports or go mod tidy, fail.
     - name: Verify no changes from goimports and go mod tidy
-      working-directory: 'coordinator'
       run: |
         if [ -n "$(git status --porcelain)" ]; then
           exit 1
         fi
   # docker-build:
-  #   if: github.event.pull_request.draft == false
   #   runs-on: ubuntu-latest
   #   steps:
   #   - name: Checkout code
@@ -88,35 +77,3 @@ jobs:
   #       push: false
   #       # cache-from: type=gha,scope=${{ github.workflow }}
   #       # cache-to: type=gha,scope=${{ github.workflow }}
-  tests:
-    if: github.event.pull_request.draft == false
-    runs-on: ubuntu-latest
-    steps:
-    - name: Install Go
-      uses: actions/setup-go@v2
-      with:
-        go-version: 1.19.x
-    - name: Checkout code
-      uses: actions/checkout@v2
-    - name: Install Solc
-      uses: supplypike/setup-bin@v3
-      with:
-        uri: 'https://github.com/ethereum/solidity/releases/download/v0.8.16/solc-static-linux'
-        name: 'solc'
-        version: '0.8.16'
-    - name: Install Geth Tools
-      uses: gacts/install-geth-tools@v1
-    - name: Build prerequisites
-      run: |
-        make dev_docker
-    - name: Test coordinator packages
-      working-directory: 'coordinator'
-      run: |
-        # go test -exec "env LD_LIBRARY_PATH=${PWD}/verifier/lib" -v -race -gcflags="-l" -ldflags="-s=false" -coverpkg="scroll-tech/coordinator" -coverprofile=coverage.txt -covermode=atomic ./...
-        go test -v -race -gcflags="-l" -ldflags="-s=false" -coverprofile=coverage.txt -covermode=atomic -tags mock_verifier ./...
-    - name: Upload coverage reports to Codecov
-      uses: codecov/codecov-action@v3
-      env:
-        CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
-      with:
-        flags: coordinator

.github/workflows/database.yml

@@ -9,90 +9,51 @@ on:
       - alpha
     paths:
       - 'database/**'
-      - 'common/**'
-      - '!common/version/version.go'
       - '.github/workflows/database.yml'
   pull_request:
-    types:
-      - opened
-      - reopened
-      - synchronize
-      - ready_for_review
+    branches:
+      - main
+      - staging
+      - develop
+      - alpha
     paths:
       - 'database/**'
-      - 'common/**'
-      - '!common/version/version.go'
       - '.github/workflows/database.yml'
 
+defaults:
+  run:
+    working-directory: 'database'
+
 jobs:
   check:
-    if: github.event.pull_request.draft == false
     runs-on: ubuntu-latest
     steps:
     - name: Install Go
       uses: actions/setup-go@v2
       with:
-        go-version: 1.19.x
+        go-version: 1.18.x
     - name: Checkout code
       uses: actions/checkout@v2
     - name: Lint
-      working-directory: 'database'
       run: |
-        rm -rf $HOME/.cache/golangci-lint
+        rm -rf $HOME/.cache/golangci-lint 
         make lint
   goimports-lint:
-    if: github.event.pull_request.draft == false
     runs-on: ubuntu-latest
     steps:
     - name: Install Go
       uses: actions/setup-go@v2
       with:
-        go-version: 1.19.x
+        go-version: 1.18.x
     - name: Checkout code
       uses: actions/checkout@v2
     - name: Install goimports
       run: go install golang.org/x/tools/cmd/goimports
-    - name: Run goimports lint
-      working-directory: 'database'
-      run: goimports -local scroll-tech/database/ -w .
-    - name: Run go mod tidy
-      working-directory: 'database'
-      run: go mod tidy
+    - run: goimports -local scroll-tech/database/ -w .
+    - run: go mod tidy
     # If there are any diffs from goimports or go mod tidy, fail.
     - name: Verify no changes from goimports and go mod tidy
-      working-directory: 'database'
       run: |
         if [ -n "$(git status --porcelain)" ]; then
           exit 1
         fi
-  tests:
-    if: github.event.pull_request.draft == false
-    runs-on: ubuntu-latest
-    steps:
-    - name: Install Go
-      uses: actions/setup-go@v2
-      with:
-        go-version: 1.19.x
-    - name: Checkout code
-      uses: actions/checkout@v2
-    - name: Install Solc
-      uses: supplypike/setup-bin@v3
-      with:
-        uri: 'https://github.com/ethereum/solidity/releases/download/v0.8.16/solc-static-linux'
-        name: 'solc'
-        version: '0.8.16'
-    - name: Install Geth Tools
-      uses: gacts/install-geth-tools@v1
-    - name: Build prerequisites
-      run: |
-        make dev_docker
-    - name: Test database packages
-      working-directory: 'database'
-      run: |
-        go test -v -race -gcflags="-l" -ldflags="-s=false" -coverprofile=coverage.txt -covermode=atomic ./...
-    - name: Upload coverage reports to Codecov
-      uses: codecov/codecov-action@v3
-      env:
-        CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
-      with:
-        flags: 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/docker.yml

@@ -1,155 +0,0 @@
-name: Docker
-
-on:
-  push:
-    tags:
-      - v**
-
-jobs:
-  event_watcher:
-    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: ${{ secrets.DOCKERHUB_TOKEN }}
-    - name: Build and push event_watcher docker
-      uses: docker/build-push-action@v2
-      with:
-        context: .
-        file: ./build/dockerfiles/event_watcher.Dockerfile
-        push: true
-        tags: scrolltech/event-watcher:${{github.ref_name}}
-        # cache-from: type=gha,scope=${{ github.workflow }}
-        # cache-to: type=gha,scope=${{ github.workflow }}
-  gas_oracle:
-    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: ${{ secrets.DOCKERHUB_TOKEN }}
-    - name: Build and push gas_oracle docker
-      uses: docker/build-push-action@v2
-      with:
-        context: .
-        file: ./build/dockerfiles/gas_oracle.Dockerfile
-        push: true
-        tags: scrolltech/gas-oracle:${{github.ref_name}}
-        # cache-from: type=gha,scope=${{ github.workflow }}
-        # cache-to: type=gha,scope=${{ github.workflow }}
-  rollup_relayer:
-    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: ${{ secrets.DOCKERHUB_TOKEN }}
-    - name: Build and push rollup_relayer docker
-      uses: docker/build-push-action@v2
-      with:
-        context: .
-        file: ./build/dockerfiles/rollup_relayer.Dockerfile
-        push: true
-        tags: scrolltech/rollup-relayer:${{github.ref_name}}
-        # cache-from: type=gha,scope=${{ github.workflow }}
-        # cache-to: type=gha,scope=${{ github.workflow }}
-  bridgehistoryapi-cross-msg-fetcher:
-    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: ${{ secrets.DOCKERHUB_TOKEN }}
-    - name: Build and push bridgehistoryapi-cross-msg-fetcher docker
-      uses: docker/build-push-action@v2
-      with:
-        context: .
-        file: ./build/dockerfiles/bridgehistoryapi-cross-msg-fetcher.Dockerfile
-        push: true
-        tags: scrolltech/bridgehistoryapi-cross-msg-fetcher:${{github.ref_name}}
-        # cache-from: type=gha,scope=${{ github.workflow }}
-        # cache-to: type=gha,scope=${{ github.workflow }}
-  bridgehistoryapi-server:
-    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: ${{ secrets.DOCKERHUB_TOKEN }}
-    - name: Build and push bridgehistoryapi-server docker
-      uses: docker/build-push-action@v2
-      with:
-        context: .
-        file: ./build/dockerfiles/bridgehistoryapi-server.Dockerfile
-        push: true
-        tags: scrolltech/bridgehistoryapi-server:${{github.ref_name}}
-        # cache-from: type=gha,scope=${{ github.workflow }}
-        # cache-to: type=gha,scope=${{ github.workflow }}
-  coordinator-api:
-    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: ${{ secrets.DOCKERHUB_TOKEN }}
-    - name: Build and push coordinator docker
-      uses: docker/build-push-action@v2
-      with:
-        context: .
-        file: ./build/dockerfiles/coordinator-api.Dockerfile
-        push: true
-        tags: scrolltech/coordinator-api:${{github.ref_name}}
-        # cache-from: type=gha,scope=${{ github.workflow }}
-        # cache-to: type=gha,scope=${{ github.workflow }}
-  coordinator-cron:
-    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: ${{ secrets.DOCKERHUB_TOKEN }}
-    - name: Build and push coordinator docker
-      uses: docker/build-push-action@v2
-      with:
-        context: .
-        file: ./build/dockerfiles/coordinator-cron.Dockerfile
-        push: true
-        tags: scrolltech/coordinator-cron:${{github.ref_name}}
-        # cache-from: type=gha,scope=${{ github.workflow }}
-        # cache-to: type=gha,scope=${{ github.workflow }}

.github/workflows/integration.yml

@@ -1,43 +0,0 @@
-name: Integration
-
-on:
-  push:
-    branches:
-      - main
-      - staging
-      - develop
-      - alpha
-  pull_request:
-    types:
-      - opened
-      - reopened
-      - synchronize
-      - ready_for_review
-
-jobs:
-  tests:
-    if: github.event.pull_request.draft == false
-    runs-on: ubuntu-latest
-    steps:
-    - name: Install Go
-      uses: actions/setup-go@v2
-      with:
-        go-version: 1.19.x
-    - name: Checkout code
-      uses: actions/checkout@v2
-    - name: Install Solc
-      uses: supplypike/setup-bin@v3
-      with:
-        uri: 'https://github.com/ethereum/solidity/releases/download/v0.8.16/solc-static-linux'
-        name: 'solc'
-        version: '0.8.16'
-    - name: Install Geth Tools
-      uses: gacts/install-geth-tools@v1
-    - name: Build prerequisites
-      run: |
-        make dev_docker
-        make -C rollup mock_abi
-        make -C common/bytecode all
-    - name: Run integration tests
-      run: |
-        go test -v -tags="mock_prover mock_verifier" -p 1 -coverprofile=coverage.txt scroll-tech/integration-test/...

.github/workflows/intermediate-docker.yml

@@ -1,59 +0,0 @@
-name: Intermediate Docker
-
-on:
-  workflow_dispatch:
-    inputs:
-      GO_VERSION:
-        description: 'Go version'
-        required: true
-        type: string
-        default: '1.19'
-      RUST_VERSION:
-        description: 'Rust toolchain version'
-        required: true
-        type: string
-        default: 'nightly-2022-12-10'
-      PYTHON_VERSION:
-        description: 'Python version'
-        required: false
-        type: string
-        default: '3.10'
-      CUDA_VERSION:
-        description: 'Cuda version'
-        required: false
-        type: string
-        default: '11.7.1'
-
-defaults:
-  run:
-    working-directory: 'build/dockerfiles/intermediate'
-
-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
-      run: |
-        make all
-      env:
-        GO_VERSION: ${{ inputs.GO_VERSION }}
-        RUST_VERSION: ${{ inputs.RUST_VERSION }}
-        PYTHON_VERSION: ${{ inputs.PYTHON_VERSION }}
-        CUDA_VERSION: ${{ inputs.CUDA_VERSION }}
-    - name: Publish
-      run: |
-        make publish
-      env:
-        GO_VERSION: ${{ inputs.GO_VERSION }}
-        RUST_VERSION: ${{ inputs.RUST_VERSION }}
-        PYTHON_VERSION: ${{ inputs.PYTHON_VERSION }}
-        CUDA_VERSION: ${{ inputs.CUDA_VERSION }}

.github/workflows/prover.yml

@@ -1,102 +0,0 @@
-name: Prover
-
-on:
-  push:
-    branches:
-      - main
-      - staging
-      - develop
-      - alpha
-    paths:
-      - 'prover/**'
-      - '.github/workflows/prover.yml'
-  pull_request:
-    types:
-      - opened
-      - reopened
-      - synchronize
-      - ready_for_review
-    paths:
-      - 'prover/**'
-      - '.github/workflows/prover.yml'
-
-defaults:
-  run:
-    working-directory: 'prover'
-
-jobs:
-  test:
-    if: github.event.pull_request.draft == false
-    runs-on: ubuntu-latest
-    steps:
-    - name: Install Go
-      uses: actions/setup-go@v2
-      with:
-        go-version: 1.19.x
-    - name: Checkout code
-      uses: actions/checkout@v2
-    - name: Test
-      run: |
-        go test -tags="mock_prover" -v -coverprofile=coverage.txt ./...
-    - name: Upload coverage reports to Codecov
-      uses: codecov/codecov-action@v3
-      env:
-        CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
-      with:
-        flags: prover
-  compile:
-    if: github.event_name == 'push' # will only be triggered when pushing to main & staging & develop & alpha
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions-rs/toolchain@v1
-      with:
-        toolchain: nightly-2022-12-10
-        override: true
-        components: rustfmt, clippy
-    - name: Install Go
-      uses: actions/setup-go@v2
-      with:
-        go-version: 1.19.x
-    - name: Checkout code
-      uses: actions/checkout@v2
-    - name: Cache cargo
-      uses: Swatinem/rust-cache@v2
-      with:
-        workspaces: "common/libzkp/impl -> target"
-    - name: Test
-      run: |
-        make prover
-  check:
-    if: github.event.pull_request.draft == false
-    runs-on: ubuntu-latest
-    steps:
-    - name: Install Go
-      uses: actions/setup-go@v2
-      with:
-        go-version: 1.19.x
-    - name: Checkout code
-      uses: actions/checkout@v2
-    - name: Lint
-      run: |
-        rm -rf $HOME/.cache/golangci-lint
-        make lint
-  goimports-lint:
-    if: github.event.pull_request.draft == false
-    runs-on: ubuntu-latest
-    steps:
-    - name: Install Go
-      uses: actions/setup-go@v2
-      with:
-        go-version: 1.19.x
-    - name: Checkout code
-      uses: actions/checkout@v2
-    - name: Install goimports
-      run: go install golang.org/x/tools/cmd/goimports
-    - run: goimports -local scroll-tech/prover/ -w .
-    - run: go mod tidy
-    # If there are any diffs from goimports or go mod tidy, fail.
-    - name: Verify no changes from goimports and go mod tidy
-      run: |
-        if [ -n "$(git status --porcelain)" ]; then
-          exit 1
-        fi

.github/workflows/roller.yml

@@ -1,4 +1,4 @@
-name: BridgeHistoryAPI
+name: Roller
 
 on:
   push:
@@ -8,69 +8,72 @@ on:
       - develop
       - alpha
     paths:
-      - 'bridge-history-api/**'
-      - '.github/workflows/bridge_history_api.yml'
+      - 'roller/**'
+      - '.github/workflows/roller.yml'
   pull_request:
-    types:
-      - opened
-      - reopened
-      - synchronize
-      - ready_for_review
+    branches:
+      - main
+      - staging
+      - develop
+      - alpha
     paths:
-      - 'bridge-history-api/**'
-      - '.github/workflows/bridge_history_api.yml'
+      - 'roller/**'
+      - '.github/workflows/roller.yml'
 
 defaults:
   run:
-    working-directory: 'bridge-history-api'
+    working-directory: 'roller'
 
 jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions-rs/toolchain@v1
+      with:
+        toolchain: nightly-2022-12-10
+        override: true
+        components: rustfmt, clippy
+    - name: Install Go
+      uses: actions/setup-go@v2
+      with:
+        go-version: 1.18.x
+    - name: Checkout code
+      uses: actions/checkout@v2
+    - name: Cache cargo
+      uses: Swatinem/rust-cache@v2
+      with:
+        workspaces: "common/libzkp/impl -> target"
+    - name: Test
+      run: |
+        make roller
+        export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:./prover/lib
+        export CHAIN_ID=534353
+        go test -v ./...
   check:
-    if: github.event.pull_request.draft == false
     runs-on: ubuntu-latest
     steps:
     - name: Install Go
       uses: actions/setup-go@v2
       with:
-        go-version: 1.19.x
+        go-version: 1.18.x
     - name: Checkout code
       uses: actions/checkout@v2
     - name: Lint
       run: |
         rm -rf $HOME/.cache/golangci-lint
         make lint
-  test:
-    if: github.event.pull_request.draft == false
-    runs-on: ubuntu-latest
-    steps:
-    - name: Install Go
-      uses: actions/setup-go@v2
-      with:
-        go-version: 1.19.x
-    - name: Checkout code
-      uses: actions/checkout@v2
-    - name: Test
-      run: |
-        make test
-    - name: Upload coverage reports to Codecov
-      uses: codecov/codecov-action@v3
-      env:
-        CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
-      with:
-        flags: bridge-history-api
   goimports-lint:
-    if: github.event.pull_request.draft == false
     runs-on: ubuntu-latest
     steps:
     - name: Install Go
       uses: actions/setup-go@v2
       with:
-        go-version: 1.19.x
+        go-version: 1.18.x
     - name: Checkout code
       uses: actions/checkout@v2
     - name: Install goimports
       run: go install golang.org/x/tools/cmd/goimports
-    - run: goimports -local scroll-tech/bridge-history-api/ -w .
+    - run: goimports -local scroll-tech/roller/ -w .
     - run: go mod tidy
     # If there are any diffs from goimports or go mod tidy, fail.
     - name: Verify no changes from goimports and go mod tidy

.github/workflows/rollup.yml

@@ -1,123 +0,0 @@
-name: Rollup
-
-on:
-  push:
-    branches:
-      - main
-      - staging
-      - develop
-      - alpha
-    paths:
-      - 'rollup/**'
-      - 'common/**'
-      - '!common/version/version.go'
-      - 'database/**'
-      - '.github/workflows/rollup.yml'
-  pull_request:
-    types:
-      - opened
-      - reopened
-      - synchronize
-      - ready_for_review
-    paths:
-      - 'rollup/**'
-      - 'common/**'
-      - '!common/version/version.go'
-      - 'database/**'
-      - '.github/workflows/rollup.yml'
-
-jobs:
-  check:
-    if: github.event.pull_request.draft == false
-    runs-on: ubuntu-latest
-    steps:
-    - name: Install Go
-      uses: actions/setup-go@v2
-      with:
-        go-version: 1.19.x
-    - name: Checkout code
-      uses: actions/checkout@v2
-    - name: Install Solc
-      uses: supplypike/setup-bin@v3
-      with:
-        uri: 'https://github.com/ethereum/solidity/releases/download/v0.8.16/solc-static-linux'
-        name: 'solc'
-        version: '0.8.16'
-    - name: Install Geth Tools
-      uses: gacts/install-geth-tools@v1
-    - name: Lint
-      working-directory: 'rollup'
-      run: |
-        rm -rf $HOME/.cache/golangci-lint
-        make mock_abi
-        make lint
-  goimports-lint:
-    if: github.event.pull_request.draft == false
-    runs-on: ubuntu-latest
-    steps:
-    - name: Install Go
-      uses: actions/setup-go@v2
-      with:
-        go-version: 1.19.x
-    - name: Checkout code
-      uses: actions/checkout@v2
-    - name: Install goimports
-      run: go install golang.org/x/tools/cmd/goimports
-    - name: Run goimports lint
-      run: goimports -local scroll-tech/rollup/ -w .
-      working-directory: 'rollup'
-    - name: Run go mod tidy
-      run: go mod tidy
-      working-directory: 'rollup'
-    # If there are any diffs from goimports or go mod tidy, fail.
-    - name: Verify no changes from goimports and go mod tidy
-      working-directory: 'rollup'
-      run: |
-        if [ -n "$(git status --porcelain)" ]; then
-          exit 1
-        fi
-  tests:
-    if: github.event.pull_request.draft == false
-    runs-on: ubuntu-latest
-    steps:
-    - name: Install Go
-      uses: actions/setup-go@v2
-      with:
-        go-version: 1.19.x
-    - name: Checkout code
-      uses: actions/checkout@v2
-    - name: Install Solc
-      uses: supplypike/setup-bin@v3
-      with:
-        uri: 'https://github.com/ethereum/solidity/releases/download/v0.8.16/solc-static-linux'
-        name: 'solc'
-        version: '0.8.16'
-    - name: Install Geth Tools
-      uses: gacts/install-geth-tools@v1
-    - name: Build prerequisites
-      run: |
-        make dev_docker
-        make -C rollup mock_abi
-    - name: Build rollup binaries
-      working-directory: 'rollup'
-      run: |
-        make rollup_bins
-    - name: Test rollup packages
-      working-directory: 'rollup'
-      run: |
-        go test -v -race -gcflags="-l" -ldflags="-s=false" -coverprofile=coverage.txt -covermode=atomic ./...
-    - name: Upload coverage reports to Codecov
-      uses: codecov/codecov-action@v3
-      env:
-        CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
-      with:
-        flags: rollup
-  # docker-build:
-  #   if: github.event.pull_request.draft == false
-  #   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

.gitignore

@@ -1,22 +1,9 @@
-# Asset files
+.idea
 assets/params*
 assets/seed
-
-# Built binaries
-build/bin
-
 coverage.txt
+build/bin
 *.integration.txt
 
-# Visual Studio Code
-.vscode
-
-# IntelliJ
-.idea
-
-# MacOS
-.DS_Store
-
 # misc
 sftp-config.json
-*~

.gitmodules

@@ -1,6 +1,9 @@
 [submodule "l2geth"]
 	path = l2geth
 	url = git@github.com:scroll-tech/go-ethereum.git
+[submodule "rpc-gateway"]
+	path = rpc-gateway
+	url = git@github.com:scroll-tech/rpc-gateway.git
 [submodule "contracts/lib/ds-test"]
 	path = contracts/lib/ds-test
 	url = https://github.com/dapphub/ds-test

CODE_OF_CONDUCT.md

@@ -1,128 +0,0 @@
-# Contributor Covenant Code of Conduct
-
-## Our Pledge
-
-We as members, contributors, and leaders pledge to make participation in our
-community a harassment-free experience for everyone, regardless of age, body
-size, visible or invisible disability, ethnicity, sex characteristics, gender
-identity and expression, level of experience, education, socio-economic status,
-nationality, personal appearance, race, religion, or sexual identity
-and orientation.
-
-We pledge to act and interact in ways that contribute to an open, welcoming,
-diverse, inclusive, and healthy community.
-
-## Our Standards
-
-Examples of behavior that contributes to a positive environment for our
-community include:
-
-* Demonstrating empathy and kindness toward other people
-* Being respectful of differing opinions, viewpoints, and experiences
-* Giving and gracefully accepting constructive feedback
-* Accepting responsibility and apologizing to those affected by our mistakes,
-  and learning from the experience
-* Focusing on what is best not just for us as individuals, but for the
-  overall community
-
-Examples of unacceptable behavior include:
-
-* The use of sexualized language or imagery, and sexual attention or
-  advances of any kind
-* Trolling, insulting or derogatory comments, and personal or political attacks
-* Public or private harassment
-* Publishing others' private information, such as a physical or email
-  address, without their explicit permission
-* Other conduct which could reasonably be considered inappropriate in a
-  professional setting
-
-## Enforcement Responsibilities
-
-Community leaders are responsible for clarifying and enforcing our standards of
-acceptable behavior and will take appropriate and fair corrective action in
-response to any behavior that they deem inappropriate, threatening, offensive,
-or harmful.
-
-Community leaders have the right and responsibility to remove, edit, or reject
-comments, commits, code, wiki edits, issues, and other contributions that are
-not aligned to this Code of Conduct, and will communicate reasons for moderation
-decisions when appropriate.
-
-## Scope
-
-This Code of Conduct applies within all community spaces, and also applies when
-an individual is officially representing the community in public spaces.
-Examples of representing our community include using an official e-mail address,
-posting via an official social media account, or acting as an appointed
-representative at an online or offline event.
-
-## Enforcement
-
-Instances of abusive, harassing, or otherwise unacceptable behavior may be
-reported to the community leaders responsible for enforcement at
-contributor@scroll.io.
-All complaints will be reviewed and investigated promptly and fairly.
-
-All community leaders are obligated to respect the privacy and security of the
-reporter of any incident.
-
-## Enforcement Guidelines
-
-Community leaders will follow these Community Impact Guidelines in determining
-the consequences for any action they deem in violation of this Code of Conduct:
-
-### 1. Correction
-
-**Community Impact**: Use of inappropriate language or other behavior deemed
-unprofessional or unwelcome in the community.
-
-**Consequence**: A private, written warning from community leaders, providing
-clarity around the nature of the violation and an explanation of why the
-behavior was inappropriate. A public apology may be requested.
-
-### 2. Warning
-
-**Community Impact**: A violation through a single incident or series
-of actions.
-
-**Consequence**: A warning with consequences for continued behavior. No
-interaction with the people involved, including unsolicited interaction with
-those enforcing the Code of Conduct, for a specified period of time. This
-includes avoiding interactions in community spaces as well as external channels
-like social media. Violating these terms may lead to a temporary or
-permanent ban.
-
-### 3. Temporary Ban
-
-**Community Impact**: A serious violation of community standards, including
-sustained inappropriate behavior.
-
-**Consequence**: A temporary ban from any sort of interaction or public
-communication with the community for a specified period of time. No public or
-private interaction with the people involved, including unsolicited interaction
-with those enforcing the Code of Conduct, is allowed during this period.
-Violating these terms may lead to a permanent ban.
-
-### 4. Permanent Ban
-
-**Community Impact**: Demonstrating a pattern of violation of community
-standards, including sustained inappropriate behavior,  harassment of an
-individual, or aggression toward or disparagement of classes of individuals.
-
-**Consequence**: A permanent ban from any sort of public interaction within
-the community.
-
-## Attribution
-
-This Code of Conduct is adapted from the [Contributor Covenant][homepage],
-version 2.0, available at
-https://www.contributor-covenant.org/version/2/0/code_of_conduct.html.
-
-Community Impact Guidelines were inspired by [Mozilla's code of conduct
-enforcement ladder](https://github.com/mozilla/diversity).
-
-[homepage]: https://www.contributor-covenant.org
-
-For answers to common questions about this code of conduct, see the FAQ at
-https://www.contributor-covenant.org/faq. Translations are available at
-https://www.contributor-covenant.org/translations.

CONTRIBUTING.md

@@ -1,42 +0,0 @@
-## Contributing
-
-[fork]: /fork
-[pr]: /compare
-[style]: https://standardjs.com/
-[code-of-conduct]: CODE_OF_CONDUCT.md
-
-Hi there! We're thrilled that you'd like to contribute to this project. Your help is essential for keeping it great.
-
-Please note that this project is released with a [Contributor Code of Conduct][code-of-conduct]. By participating in this project you agree to abide by its terms.
-
-## Contribute to Scroll
-
-Did you know there are many ways of contributing to Scroll? If you are looking to contribute to by adding Scroll to existing Dev Tools or by doing integrations please go to the [Contribute to Scroll](https://github.com/scroll-tech/contribute-to-scroll) repo instead. If you are looking to contribute to Scroll's Halo2 zkEVM circuits please refer to the [zkEVM circuits](https://github.com/scroll-tech/zkevm-circuits) repo. This repository covers the Scroll infrastructure and smart contracts, if you want to contribute to these areas continue reading this document.
-
-## Issues and PRs
-
-If you have suggestions for how this project could be improved, or want to report a bug, open an issue! We'd love all and any contributions. If you have questions, too, we'd love to hear them.
-
-We'd also love PRs. If you're thinking of a large PR, we advise opening up an issue first to talk about it, though! Look at the links below if you're not sure how to open a PR.
-
-## Submitting a pull request
-
-1. [Fork][fork] and clone the repository.
-1. Create a new branch: `git checkout -b my-branch-name`.
-1. Make your change, add tests, and make sure the tests still pass.
-1. Push to your fork and [submit a pull request][pr].
-1. Pat yourself on the back and wait for your pull request to be reviewed and merged.
-
-Here are a few things you can do that will increase the likelihood of your pull request being accepted:
-
-- Write and update tests.
-- Keep your changes as focused as possible. If there are multiple changes you would like to make that are not dependent upon each other, consider submitting them as separate pull requests.
-- Write a [good commit message](http://tbaggery.com/2008/04/19/a-note-about-git-commit-messages.html).
-
-Work in Progress pull requests are also welcome to get feedback early on, or if there is something that blocked you.
-
-## Resources
-
-- [How to Contribute to Open Source](https://opensource.guide/how-to-contribute/)
-- [Using Pull Requests](https://help.github.com/articles/about-pull-requests/)
-- [GitHub Help](https://help.github.com)

Jenkinsfile

@@ -0,0 +1,99 @@
+imagePrefix = 'scrolltech'
+credentialDocker = 'dockerhub'
+
+pipeline {
+    agent any
+    options {
+        timeout (20)
+    }
+    tools {
+        go 'go-1.18'
+        nodejs "nodejs"
+    }
+    environment {
+        GO111MODULE = 'on'
+        PATH="/home/ubuntu/.cargo/bin:$PATH"
+        LD_LIBRARY_PATH="$LD_LIBRARY_PATH:./coordinator/verifier/lib"
+        CHAIN_ID='534353'
+        // LOG_DOCKER = 'true'
+    }
+    stages {
+        stage('Build') {
+            parallel {
+                stage('Build Prerequisite') {
+                    steps {
+                        sh 'make dev_docker'
+                        sh 'make -C bridge mock_abi'
+                        sh 'make -C common/bytecode all'
+                    }
+                }
+                stage('Check Bridge Compilation') {
+                    steps {
+                        sh 'make -C bridge bridge_bins'
+                    }
+                }
+                stage('Check Coordinator Compilation') {
+                    steps {
+                        sh 'export PATH=/home/ubuntu/go/bin:$PATH'
+                        sh 'make -C coordinator coordinator'
+                    }
+                }
+                stage('Check Database Compilation') {
+                    steps {
+                        sh 'make -C database db_cli'
+                    }
+                }
+                stage('Check Database Docker Build') {
+                    steps {
+                        sh 'make -C database docker'
+                    }
+                }
+            }
+        }
+        stage('Parallel Test') {
+            parallel{
+                stage('Race test common package') {
+                    steps {
+                        sh 'go test -v -race -coverprofile=coverage.common.txt -covermode=atomic scroll-tech/common/...'
+                    }
+                }
+                stage('Race test bridge package') {
+                    steps {
+                        sh "cd ./bridge && ../build/run_tests.sh bridge"
+                    }
+                }
+                stage('Race test coordinator package') {
+                    steps {
+                        sh "cd ./coordinator && ../build/run_tests.sh coordinator"
+                    }
+                }
+                stage('Race test database package') {
+                    steps {
+                        sh 'go test -v -race -coverprofile=coverage.db.txt -covermode=atomic scroll-tech/database/...'
+                    }
+                }
+                stage('Integration test') {
+                    steps {
+                        sh 'go test -v -tags="mock_prover mock_verifier" -p 1 scroll-tech/integration-test/...'
+                    }
+                }
+            }
+        }
+        stage('Compare Coverage') {
+            steps {
+                sh "./build/post-test-report-coverage.sh"
+                script {
+                    currentBuild.result = 'SUCCESS'
+                }
+                step([$class: 'CompareCoverageAction', publishResultAs: 'Comment', scmVars: [GIT_URL: env.GIT_URL]])
+            }
+        }
+    }
+    post {
+        always {
+            publishCoverage adapters: [coberturaReportAdapter(path: 'cobertura.xml', thresholds: [[thresholdTarget: 'Aggregated Report', unhealthyThreshold: 40.0]])], checksName: '', sourceFileResolver: sourceFiles('NEVER_STORE') 
+            cleanWs() 
+            slackSend(message: "${JOB_BASE_NAME} ${GIT_COMMIT} #${BUILD_NUMBER} deploy ${currentBuild.result}")
+        }
+    }
+}

LICENSE

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2022-2023 Scroll
+Copyright (c) 2022 Scroll
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

Makefile

@@ -1,6 +1,6 @@
-.PHONY: check update dev_docker build_test_docker run_test_docker clean
+.PHONY: check update dev_docker clean
 
-L2GETH_TAG=scroll-v4.3.55
+ZKP_VERSION=release-1220
 
 help: ## Display this help message
 	@grep -h \
@@ -8,41 +8,38 @@ help: ## Display this help message
 		awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}'
 
 lint: ## The code's format and security checks.
-	make -C rollup lint
+	make -C bridge lint
 	make -C common lint
 	make -C coordinator lint
 	make -C database lint
-	make -C prover lint
-	make -C bridge-history-api lint
+	make -C roller lint
 
 update: ## update dependencies
 	go work sync
-	cd $(PWD)/rollup/ && go get -u github.com/scroll-tech/go-ethereum@${L2GETH_TAG} && go mod tidy
-	cd $(PWD)/bridge-history-api/ && go get -u github.com/ethereum/go-ethereum@latest && go mod tidy
-	cd $(PWD)/common/ && go get -u github.com/scroll-tech/go-ethereum@${L2GETH_TAG} && go mod tidy
-	cd $(PWD)/coordinator/ && go get -u github.com/scroll-tech/go-ethereum@${L2GETH_TAG} && go mod tidy
-	cd $(PWD)/database/ && go get -u github.com/scroll-tech/go-ethereum@${L2GETH_TAG} && go mod tidy
-	cd $(PWD)/prover/ && go get -u github.com/scroll-tech/go-ethereum@${L2GETH_TAG} && go mod tidy
-	cd $(PWD)/prover-stats-api/ && go get -u github.com/scroll-tech/go-ethereum@${L2GETH_TAG} && go mod tidy
-	cd $(PWD)/tests/integration-test/ && go get -u github.com/scroll-tech/go-ethereum@${L2GETH_TAG} && go mod tidy
-	goimports -local $(PWD)/rollup/ -w .
-	goimports -local $(PWD)/bridge-history-api/ -w .
+	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 .
 	goimports -local $(PWD)/database/ -w .
-	goimports -local $(PWD)/prover/ -w .
-	goimports -local $(PWD)/prover-stats-api/ -w .
-	goimports -local $(PWD)/tests/integration-test/ -w .
+	goimports -local $(PWD)/roller/ -w .
 
 dev_docker: ## build docker images for development/testing usages
 	docker build -t scroll_l1geth ./common/docker/l1geth/
 	docker build -t scroll_l2geth ./common/docker/l2geth/
 
-build_test_docker: ## build Docker image for local testing on M1/M2 Silicon Mac
-	docker build -t scroll_test_image -f ./build/dockerfiles/local_testing.Dockerfile $$(mktemp -d)
-
-run_test_docker: ## run Docker image for local testing on M1/M2 Silicon Mac
-	docker run -it --rm --name scroll_test_container --network=host -v /var/run/docker.sock:/var/run/docker.sock -v $(PWD):/go/src/app scroll_test_image
+test_zkp: ## Test zkp prove and verify, roller/prover generates the proof and coordinator/verifier verifies it
+	mkdir -p test_params
+	wget https://circuit-release.s3.us-west-2.amazonaws.com/circuit-release/${ZKP_VERSION}/test_params/params19 -O ./test_params/params19
+	wget https://circuit-release.s3.us-west-2.amazonaws.com/circuit-release/${ZKP_VERSION}/test_params/params26 -O ./test_params/params26
+	wget https://circuit-release.s3.us-west-2.amazonaws.com/circuit-release/${ZKP_VERSION}/test_seed -O test_seed
+	rm -rf ./roller/assets/test_params && mv test_params ./roller/assets/ && mv test_seed ./roller/assets/
+	cd ./roller && make test-gpu-prover
+	rm -rf ./coordinator/assets/test_params && mv ./roller/assets/test_params ./coordinator/assets/ && mv ./roller/assets/agg_proof ./coordinator/assets/
+	cd ./coordinator && make test-gpu-verifier
 
 clean: ## Empty out the bin folder
 	@rm -rf build/bin

README.md

@@ -1,98 +1,12 @@
 # Scroll Monorepo
 
-[![rollup](https://github.com/scroll-tech/scroll/actions/workflows/rollup.yml/badge.svg)](https://github.com/scroll-tech/scroll/actions/workflows/rollup.yml)
-[![contracts](https://github.com/scroll-tech/scroll/actions/workflows/contracts.yml/badge.svg)](https://github.com/scroll-tech/scroll/actions/workflows/contracts.yml)
-[![bridge-history](https://github.com/scroll-tech/scroll/actions/workflows/bridge_history_api.yml/badge.svg)](https://github.com/scroll-tech/scroll/actions/workflows/bridge_history_api.yml)
-[![coordinator](https://github.com/scroll-tech/scroll/actions/workflows/coordinator.yml/badge.svg)](https://github.com/scroll-tech/scroll/actions/workflows/coordinator.yml)
-[![prover](https://github.com/scroll-tech/scroll/actions/workflows/prover.yml/badge.svg)](https://github.com/scroll-tech/scroll/actions/workflows/prover.yml)
-[![integration](https://github.com/scroll-tech/scroll/actions/workflows/integration.yml/badge.svg)](https://github.com/scroll-tech/scroll/actions/workflows/integration.yml)
-[![codecov](https://codecov.io/gh/scroll-tech/scroll/branch/develop/graph/badge.svg?token=VJVHNQWGGW)](https://codecov.io/gh/scroll-tech/scroll)
-
-<a href="https://scroll.io">Scroll</a> is a zkRollup Layer 2 dedicated to enhance Ethereum scalability through a bytecode-equivalent [zkEVM](https://github.com/scroll-tech/zkevm-circuits) circuit. This monorepo encompasses essential infrastructure components of the Scroll protocol. It contains the L1 and L2 contracts, the rollup node, the prover client, and the prover coordinator.
-
-## Directory Structure
-
-<pre>
-├── <a href="./bridge-history-api/">bridge-history-api</a>: Bridge history service that collects deposit and withdraw events from both L1 and L2 chain and generates withdrawal proofs
-├── <a href="./common/">common</a>: Common libraries and types
-├── <a href="./coordinator/">coordinator</a>: Prover coordinator service that dispatches proving tasks to provers
-├── <a href="./database">database</a>: Database client and schema definition
-├── <a href="./src">l2geth</a>: Scroll execution node
-├── <a href="./prover">prover</a>: Prover client that runs proof generation for zkEVM circuit and aggregation circuit
-├── <a href="./rollup">rollup</a>: Rollup-related services
-├── <a href="./rpc-gateway">rpc-gateway</a>: RPC gateway external repo
-└── <a href="./tests">tests</a>: Integration tests
-</pre>
-
-## Contributing
-
-We welcome community contributions to this repository. Before you submit any issues or PRs, please read the [Code of Conduct](CODE_OF_CONDUCT.md) and the [Contribution Guideline](CONTRIBUTING.md).
+[![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
-+ Go 1.19
-+ Rust (for version, see [rust-toolchain](./common/libzkp/impl/rust-toolchain))
-+ Hardhat / Foundry
-+ Docker
++ go1.18
++ rust (for version, see [rust-toolchain](./common/libzkp/impl/rust-toolchain))
++ hardhat / foundry
 
-To run the tests, it is essential to first pull or build the required Docker images. Execute the following commands in the root directory of the repository to do this:
+---
 
-```bash
-docker pull postgres
-make dev_docker
-```
-
-## Testing Rollup & Coordinator
-
-### For Non-Apple Silicon (M1/M2) Macs
-
-Run the tests using the following commands:
-
-```bash
-go test -v -race -covermode=atomic scroll-tech/rollup/...
-go test -tags="mock_verifier" -v -race -covermode=atomic scroll-tech/coordinator/...
-go test -v -race -covermode=atomic scroll-tech/database/...
-go test -v -race -covermode=atomic scroll-tech/common/...
-```
-
-### For Apple Silicon (M1/M2) Macs
-
-To run tests on Apple Silicon Macs, build and execute the Docker image as outlined below:
-
-#### Build a Docker Image for Testing
-
-Use the following command to build a Docker image:
-
-```bash
-make build_test_docker
-```
-
-This command builds a Docker image named `scroll_test_image` using the Dockerfile found at `./build/dockerfiles/local_test.Dockerfile`.
-
-#### Run Docker Image
-
-After the image is built, run a Docker container from it:
-
-```bash
-make run_test_docker
-```
-
-This command runs a Docker container named `scroll_test_container` from the `scroll_test_image` image. The container uses the host network and has access to the Docker socket and the current directory.
-
-Once the Docker container is running, execute the tests using the following commands:
-
-```bash
-go test -v -race -covermode=atomic scroll-tech/rollup/...
-go test -tags="mock_verifier" -v -race -covermode=atomic scroll-tech/coordinator/...
-go test -v -race -covermode=atomic scroll-tech/database/...
-go test -v -race -covermode=atomic scroll-tech/common/...
-```
-
-## Testing Contracts
-
-You can find the unit tests in [`contracts/src/test/`](/contracts/src/test/), and integration tests in [`contracts/integration-test/`](/contracts/integration-test/).
-
-See [`contracts`](/contracts) for more details on the contracts.
-
-## License
-
-Scroll Monorepo is licensed under the [MIT](./LICENSE) license.
+For a more comprehensive doc, see [`docs/`](./docs).

bridge-history-api/.gitignore

@@ -1 +0,0 @@
-/build/bin

bridge-history-api/Makefile

@@ -1,30 +0,0 @@
-.PHONY: lint
-REPO_ROOT_DIR=./..
-IMAGE_VERSION=latest
-
-lint: ## Lint the files - used for CI
-	GOBIN=$(PWD)/build/bin go run ../build/lint.go
-
-test:
-	go test -v -race -coverprofile=coverage.txt -covermode=atomic -p 1 $(PWD)/...
-
-bridgehistoryapi-db-cli:
-	go build -o $(PWD)/build/bin/bridgehistoryapi-db-cli ./cmd/db_cli
-	
-bridgehistoryapi-fetcher:
-	go build -o $(PWD)/build/bin/bridgehistoryapi-fetcher ./cmd/fetcher
-
-bridgehistoryapi-api:
-	go build -o $(PWD)/build/bin/bridgehistoryapi-api ./cmd/api
-
-reset-db-docker:
-	-docker stop bridgehistoryapi-history-db
-	-docker rm bridgehistoryapi-history-db
-	docker run --name bridgehistoryapi-history-db -p 5444:5432 -e POSTGRES_PASSWORD=123456 -e POSTGRES_DB=test -d postgres
-	go build -o $(PWD)/build/bin/bridgehistoryapi-db-cli ./cmd/db_cli & sleep 2
-	$(PWD)/build/bin/bridgehistoryapi-db-cli reset
-
-bridgehistoryapi-docker:
-	DOCKER_BUILDKIT=1 docker build -t scrolltech/bridgehistoryapi-cross-message-fetcher:${IMAGE_VERSION} ${REPO_ROOT_DIR}/ -f ${REPO_ROOT_DIR}/build/dockerfiles/bridgehistoryapi-cross-message-fetcher.Dockerfile
-	DOCKER_BUILDKIT=1 docker build -t scrolltech/bridgehistoryapi-server:${IMAGE_VERSION} ${REPO_ROOT_DIR}/ -f ${REPO_ROOT_DIR}/build/dockerfiles/bridgehistoryapi-server.Dockerfile
-	DOCKER_BUILDKIT=1 docker build -t scrolltech/bridgehistoryapi-db-cli:${IMAGE_VERSION} ${REPO_ROOT_DIR}/ -f ${REPO_ROOT_DIR}/build/dockerfiles/bridgehistoryapi-db-cli.Dockerfile

bridge-history-api/README.md

@@ -1,84 +0,0 @@
-# bridge-history-api
-
-This directory contains the `bridge-history-api` service that provides REST APIs to query txs interact with Scroll official bridge contracts
-
-## Instructions
-The bridge-history-api contains three distinct components
-
-### bridgehistoryapi-db-cli
-
-Provide init, show version, rollback, check status services of DB
-```
-    cd ./bridge-history-api
-    make bridgehistoryapi-db-cli
-    ./build/bin/bridgehistoryapi-db-cli [command]
-```
-
-### bridgehistoryapi-cross-msg-fetcher
-
-Fetch the transactions from both L1 and L2
-```
-    cd ./bridge-history-api
-    make bridgehistoryapi-cross-msg-fetcher
-    ./build/bin/bridgehistoryapi-cross-msg-fetcher
-```
-
-### bridgehistoryapi-server
-
-provides REST APIs. Please refer to the API details below.
-```
-    cd ./bridge-history-api
-    make bridgehistoryapi-server
-    ./build/bin/bridgehistoryapi-server
-```
-
-## APIs provided by bridgehistoryapi-server
-
-assume `bridgehistoryapi-server` listening on `https://localhost:8080`
-can change this port thru modify `config.json`
-
-1. `/txs`
-```
-// @Summary    	 get all txs under given address
-// @Accept       plain
-// @Produce      plain
-// @Param        address query string true "wallet address"
-// @Param        page_size query int true "page size"
-// @Param        page query int true "page"
-// @Success      200
-// @Router       /api/txs [get]
-```
-
-2. `/withdrawals`
-```
-// @Summary    	 get all L2 withdrawals under given address
-// @Accept       plain
-// @Produce      plain
-// @Param        address query string true "wallet address"
-// @Param        page_size query int true "page size"
-// @Param        page query int true "page"
-// @Success      200
-// @Router       /api/withdrawals [get]
-```
-
-3. `/claimablewithdrawals`
-```
-// @Summary    	 get all L2 claimable withdrawals under given address
-// @Accept       plain
-// @Produce      plain
-// @Param        address query string true "wallet address"
-// @Param        page_size query int true "page size"
-// @Param        page query int true "page"
-// @Success      200
-// @Router       /api/claimablewithdrawals [get]
-```
-
-4. `/txsbyhashes`
-```
-// @Summary    	 get txs by given tx hashes
-// @Accept       plain
-// @Produce      plain
-// @Param        hashes query string array true "array of hashes"
-// @Success      200
-// @Router       /api/txsbyhashes [post]
-```

bridge-history-api/cmd/api/app/app.go

@@ -1,97 +0,0 @@
-package app
-
-import (
-	"fmt"
-	"os"
-	"os/signal"
-
-	"github.com/gin-gonic/gin"
-	"github.com/go-redis/redis/v8"
-	"github.com/prometheus/client_golang/prometheus"
-	"github.com/scroll-tech/go-ethereum/log"
-	"github.com/urfave/cli/v2"
-
-	"scroll-tech/common/database"
-	"scroll-tech/common/observability"
-	"scroll-tech/common/utils"
-
-	"scroll-tech/bridge-history-api/internal/config"
-	"scroll-tech/bridge-history-api/internal/controller/api"
-	"scroll-tech/bridge-history-api/internal/route"
-)
-
-var (
-	app *cli.App
-)
-
-func init() {
-	app = cli.NewApp()
-
-	app.Action = action
-	app.Name = "Scroll Bridge History Web Service"
-	app.Usage = "The Scroll Bridge History Web Service"
-	app.Flags = append(app.Flags, utils.CommonFlags...)
-	app.Commands = []*cli.Command{}
-
-	app.Before = func(ctx *cli.Context) error {
-		return utils.LogSetup(ctx)
-	}
-}
-
-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)
-	}
-	db, err := database.InitDB(cfg.DB)
-	if err != nil {
-		log.Crit("failed to init db", "err", err)
-	}
-	defer func() {
-		if deferErr := database.CloseDB(db); deferErr != nil {
-			log.Error("failed to close db", "err", err)
-		}
-	}()
-
-	redisClient := redis.NewClient(&redis.Options{
-		Addr:     cfg.Redis.Address,
-		Password: cfg.Redis.Password,
-		DB:       cfg.Redis.DB,
-	})
-	if redisClient == nil {
-		log.Crit("failed to init redis client")
-	}
-	api.InitController(db, redisClient)
-
-	router := gin.Default()
-	registry := prometheus.DefaultRegisterer
-	route.Route(router, cfg, registry)
-
-	go func() {
-		port := utils.ServicePortFlag.Name
-		if runServerErr := router.Run(fmt.Sprintf(":%s", port)); runServerErr != nil {
-			log.Crit("run http server failure", "error", runServerErr)
-		}
-	}()
-
-	observability.Server(ctx, db)
-
-	// 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-history-api/cmd/api/main.go

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

bridge-history-api/cmd/db_cli/app/app.go

@@ -1,75 +0,0 @@
-package app
-
-import (
-	"fmt"
-	"os"
-
-	"github.com/urfave/cli/v2"
-
-	"scroll-tech/common/utils"
-)
-
-var (
-	// Set up database app info.
-	app *cli.App
-)
-
-func init() {
-	app = cli.NewApp()
-	// Set up database app info.
-	app.Name = "db_cli"
-	app.Usage = "The Scroll Bridge-history-api DB CLI"
-	app.Flags = append(app.Flags, utils.CommonFlags...)
-
-	app.Before = func(ctx *cli.Context) error {
-		return utils.LogSetup(ctx)
-	}
-
-	app.Commands = []*cli.Command{
-		{
-			Name:   "reset",
-			Usage:  "Clean and reset database.",
-			Action: resetDB,
-			Flags:  []cli.Flag{&utils.ConfigFileFlag},
-		},
-		{
-			Name:   "status",
-			Usage:  "Check migration status.",
-			Action: checkDBStatus,
-			Flags:  []cli.Flag{&utils.ConfigFileFlag},
-		},
-		{
-			Name:   "version",
-			Usage:  "Display the current database version.",
-			Action: dbVersion,
-			Flags:  []cli.Flag{&utils.ConfigFileFlag},
-		},
-		{
-			Name:   "migrate",
-			Usage:  "Migrate the database to the latest version.",
-			Action: migrateDB,
-			Flags:  []cli.Flag{&utils.ConfigFileFlag},
-		},
-		{
-			Name:   "rollback",
-			Usage:  "Roll back the database to a previous <version>. Rolls back a single migration if no version specified.",
-			Action: rollbackDB,
-			Flags: []cli.Flag{
-				&utils.ConfigFileFlag,
-				&cli.IntFlag{
-					Name:  "version",
-					Usage: "Rollback to the specified version.",
-					Value: 0,
-				}},
-		},
-	}
-}
-
-// Run database cmd instance.
-func Run() {
-	// RunApp the db_cli.
-	if err := app.Run(os.Args); err != nil {
-		_, _ = fmt.Fprintln(os.Stderr, err)
-		os.Exit(1)
-	}
-}

bridge-history-api/cmd/db_cli/app/client.go

@@ -1,120 +0,0 @@
-package app
-
-import (
-	"github.com/scroll-tech/go-ethereum/log"
-	"github.com/urfave/cli/v2"
-	"gorm.io/gorm"
-
-	"scroll-tech/common/database"
-	"scroll-tech/common/utils"
-
-	"scroll-tech/bridge-history-api/internal/config"
-	"scroll-tech/bridge-history-api/internal/orm/migrate"
-)
-
-func getConfig(ctx *cli.Context) (*config.Config, error) {
-	file := ctx.String(utils.ConfigFileFlag.Name)
-	dbCfg, err := config.NewConfig(file)
-	if err != nil {
-		return nil, err
-	}
-	return dbCfg, nil
-}
-
-func initDB(dbCfg *database.Config) (*gorm.DB, error) {
-	return database.InitDB(dbCfg)
-}
-
-// resetDB clean or reset database.
-func resetDB(ctx *cli.Context) error {
-	cfg, err := getConfig(ctx)
-	if err != nil {
-		return err
-	}
-	gormDB, err := initDB(cfg.DB)
-	if err != nil {
-		return err
-	}
-	db, err := gormDB.DB()
-	if err != nil {
-		return err
-	}
-	err = migrate.ResetDB(db)
-	if err != nil {
-		return err
-	}
-	log.Info("successful to reset")
-	return nil
-}
-
-// checkDBStatus check db status
-func checkDBStatus(ctx *cli.Context) error {
-	cfg, err := getConfig(ctx)
-	if err != nil {
-		return err
-	}
-	gormDB, err := initDB(cfg.DB)
-	if err != nil {
-		return err
-	}
-	db, err := gormDB.DB()
-	if err != nil {
-		return err
-	}
-	return migrate.Status(db)
-}
-
-// dbVersion return the latest version
-func dbVersion(ctx *cli.Context) error {
-	cfg, err := getConfig(ctx)
-	if err != nil {
-		return err
-	}
-	gormDB, err := initDB(cfg.DB)
-	if err != nil {
-		return err
-	}
-	db, err := gormDB.DB()
-	if err != nil {
-		return err
-	}
-	version, err := migrate.Current(db)
-	log.Info("show database version", "db version", version)
-
-	return err
-}
-
-// migrateDB migrate db
-func migrateDB(ctx *cli.Context) error {
-	cfg, err := getConfig(ctx)
-	if err != nil {
-		return err
-	}
-	gormDB, err := initDB(cfg.DB)
-	if err != nil {
-		return err
-	}
-	db, err := gormDB.DB()
-	if err != nil {
-		return err
-	}
-	return migrate.Migrate(db)
-}
-
-// rollbackDB rollback db by version
-func rollbackDB(ctx *cli.Context) error {
-	cfg, err := getConfig(ctx)
-	if err != nil {
-		return err
-	}
-	gormDB, err := initDB(cfg.DB)
-	if err != nil {
-		return err
-	}
-	db, err := gormDB.DB()
-	if err != nil {
-		return err
-	}
-	version := ctx.Int64("version")
-	return migrate.Rollback(db, &version)
-}

bridge-history-api/cmd/db_cli/main.go

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

bridge-history-api/cmd/fetcher/app/app.go

@@ -1,98 +0,0 @@
-package app
-
-import (
-	"context"
-	"fmt"
-	"os"
-	"os/signal"
-
-	"github.com/scroll-tech/go-ethereum/ethclient"
-	"github.com/scroll-tech/go-ethereum/log"
-	"github.com/urfave/cli/v2"
-
-	"scroll-tech/common/database"
-	"scroll-tech/common/utils"
-
-	"scroll-tech/bridge-history-api/internal/config"
-	"scroll-tech/bridge-history-api/internal/controller/fetcher"
-)
-
-var (
-	app *cli.App
-)
-
-func init() {
-	app = cli.NewApp()
-
-	app.Action = action
-	app.Name = "Scroll Bridge History API Message Fetcher"
-	app.Usage = "The Scroll Bridge History API Message Fetcher"
-	app.Flags = append(app.Flags, utils.CommonFlags...)
-	app.Commands = []*cli.Command{}
-
-	app.Before = func(ctx *cli.Context) error {
-		return utils.LogSetup(ctx)
-	}
-}
-
-func action(ctx *cli.Context) error {
-	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)
-	}
-	subCtx, cancel := context.WithCancel(ctx.Context)
-	defer cancel()
-
-	l1Client, err := ethclient.Dial(cfg.L1.Endpoint)
-	if err != nil {
-		log.Crit("failed to connect to L1 geth", "endpoint", cfg.L1.Endpoint, "err", err)
-	}
-
-	l2Client, err := ethclient.Dial(cfg.L2.Endpoint)
-	if err != nil {
-		log.Crit("failed to connect to L2 geth", "endpoint", cfg.L2.Endpoint, "err", err)
-	}
-
-	db, err := database.InitDB(cfg.DB)
-	if err != nil {
-		log.Crit("failed to init db", "err", err)
-	}
-	defer func() {
-		if deferErr := database.CloseDB(db); deferErr != nil {
-			log.Error("failed to close db", "err", err)
-		}
-	}()
-	if err != nil {
-		log.Crit("failed to connect to db", "config file", cfgFile, "error", err)
-	}
-
-	l1MessageFetcher, err := fetcher.NewL1MessageFetcher(subCtx, cfg.L1, db, l1Client)
-	if err != nil {
-		log.Crit("failed to create L1 cross message fetcher", "error", err)
-	}
-	go l1MessageFetcher.Start()
-
-	l2MessageFetcher, err := fetcher.NewL2MessageFetcher(subCtx, cfg.L2, db, l2Client)
-	if err != nil {
-		log.Crit("failed to create L2 cross message fetcher", "error", err)
-	}
-	go l2MessageFetcher.Start()
-
-	// 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-history-api/cmd/fetcher/main.go

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

bridge-history-api/conf/config.json

@@ -1,50 +0,0 @@
-{
-	"L1": {
-		"confirmation": 64,
-		"endpoint": "https://rpc.ankr.com/eth",
-		"startHeight": 18318215,
-		"blockTime": 10,
-		"fetchLimit": 30,
-		"MessengerAddr": "0x6774Bcbd5ceCeF1336b5300fb5186a12DDD8b367",
-		"ETHGatewayAddr": "0x7F2b8C31F88B6006c382775eea88297Ec1e3E905",
-		"WETHGatewayAddr": "0x7AC440cAe8EB6328de4fA621163a792c1EA9D4fE",
-		"StandardERC20GatewayAddr": "0xD8A791fE2bE73eb6E6cF1eb0cb3F36adC9B3F8f9",
-		"CustomERC20GatewayAddr": "0xb2b10a289A229415a124EFDeF310C10cb004B6ff",
-		"ERC721GatewayAddr": "0x6260aF48e8948617b8FA17F4e5CEa2d21D21554B",
-		"ERC1155GatewayAddr": "0xb94f7F6ABcb811c5Ac709dE14E37590fcCd975B6",
-		"USDCGatewayAddr": "0xf1AF3b23DE0A5Ca3CAb7261cb0061C0D779A5c7B",
-		"LIDOGatewayAddr": "0x6625C6332c9F91F2D27c304E729B86db87A3f504",
-		"DAIGatewayAddr": "0x67260A8B73C5B77B55c1805218A42A7A6F98F515",
-		"ScrollChainAddr": "0xa13BAF47339d63B743e7Da8741db5456DAc1E556",
-		"GatewayRouterAddr": "0xF8B1378579659D8F7EE5f3C929c2f3E332E41Fd6",
-		"MessageQueueAddr": "0x0d7E906BD9cAFa154b048cFa766Cc1E54E39AF9B"
-	},
-	"L2": {
-		"confirmation": 1,
-		"endpoint": "http://mainnet-l2geth-internal-1.mainnet.scroll.tech:8545",
-		"blockTime": 3,
-		"fetchLimit": 100,
-		"MessengerAddr": "0x781e90f1c8Fc4611c9b7497C3B47F99Ef6969CbC",
-		"ETHGatewayAddr": "0x6EA73e05AdC79974B931123675ea8F78FfdacDF0",
-		"WETHGatewayAddr": "0x7003E7B7186f0E6601203b99F7B8DECBfA391cf9",
-		"StandardERC20GatewayAddr": "0xE2b4795039517653c5Ae8C2A9BFdd783b48f447A",
-		"CustomERC20GatewayAddr": "0x64CCBE37c9A82D85A1F2E74649b7A42923067988",
-		"ERC721GatewayAddr": "0x7bC08E1c04fb41d75F1410363F0c5746Eae80582",
-		"ERC1155GatewayAddr": "0x62597Cc19703aF10B58feF87B0d5D29eFE263bcc",
-		"USDCGatewayAddr": "0x33B60d5Dd260d453cAC3782b0bDC01ce84672142",
-		"LIDOGatewayAddr": "0x8aE8f22226B9d789A36AC81474e633f8bE2856c9",
-		"DAIGatewayAddr": "0xaC78dff3A87b5b534e366A93E785a0ce8fA6Cc62",
-		"GatewayRouterAddr": "0x4C0926FF5252A435FD19e10ED15e5a249Ba19d79"
-	},
-	"db": {
-		"dsn": "postgres://postgres:123456@localhost:5444/test?sslmode=disable",
-		"driverName": "postgres",
-		"maxOpenNum": 200,
-		"maxIdleNum": 20
-	},
-	"redis": {
-		"address": "localhost:6379",
-		"password": "",
-		"db": 0
-	}
-}

bridge-history-api/go.mod

@@ -1,91 +0,0 @@
-module scroll-tech/bridge-history-api
-
-go 1.19
-
-require (
-	github.com/gin-contrib/cors v1.5.0
-	github.com/gin-gonic/gin v1.9.1
-	github.com/go-redis/redis/v8 v8.11.5
-	github.com/google/uuid v1.4.0
-	github.com/pressly/goose/v3 v3.16.0
-	github.com/prometheus/client_golang v1.14.0
-	github.com/scroll-tech/go-ethereum v1.10.14-0.20230829000527-f883dcdc21fc
-	github.com/stretchr/testify v1.8.4
-	github.com/urfave/cli/v2 v2.25.7
-	golang.org/x/sync v0.5.0
-	gorm.io/gorm v1.25.5
-)
-
-require (
-	github.com/beorn7/perks v1.0.1 // indirect
-	github.com/btcsuite/btcd v0.20.1-beta // indirect
-	github.com/bytedance/sonic v1.10.1 // indirect
-	github.com/cespare/xxhash/v2 v2.2.0 // indirect
-	github.com/chenzhuoyu/base64x v0.0.0-20230717121745-296ad89f973d // indirect
-	github.com/chenzhuoyu/iasm v0.9.0 // indirect
-	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/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect
-	github.com/fsnotify/fsnotify v1.6.0 // indirect
-	github.com/gabriel-vasile/mimetype v1.4.2 // indirect
-	github.com/gin-contrib/sse v0.1.0 // indirect
-	github.com/go-ole/go-ole v1.2.6 // indirect
-	github.com/go-playground/locales v0.14.1 // indirect
-	github.com/go-playground/universal-translator v0.18.1 // indirect
-	github.com/go-playground/validator/v10 v10.15.5 // indirect
-	github.com/go-stack/stack v1.8.1 // indirect
-	github.com/goccy/go-json v0.10.2 // indirect
-	github.com/golang/protobuf v1.5.3 // indirect
-	github.com/golang/snappy v0.0.5-0.20220116011046-fa5810519dcb // indirect
-	github.com/google/go-cmp v0.6.0 // indirect
-	github.com/gorilla/websocket v1.5.0 // indirect
-	github.com/holiman/uint256 v1.2.3 // indirect
-	github.com/huin/goupnp v1.0.3 // indirect
-	github.com/iden3/go-iden3-crypto v0.0.15 // indirect
-	github.com/jackpal/go-nat-pmp v1.0.2 // indirect
-	github.com/jinzhu/inflection v1.0.0 // indirect
-	github.com/jinzhu/now v1.1.5 // indirect
-	github.com/json-iterator/go v1.1.12 // indirect
-	github.com/klauspost/cpuid/v2 v2.2.5 // indirect
-	github.com/kr/pretty v0.3.1 // indirect
-	github.com/leodido/go-urn v1.2.4 // indirect
-	github.com/mattn/go-colorable v0.1.13 // indirect
-	github.com/mattn/go-isatty v0.0.20 // indirect
-	github.com/mattn/go-runewidth v0.0.14 // indirect
-	github.com/matttproud/golang_protobuf_extensions v1.0.4 // indirect
-	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
-	github.com/modern-go/reflect2 v1.0.2 // indirect
-	github.com/onsi/gomega v1.27.1 // indirect
-	github.com/pelletier/go-toml/v2 v2.1.0 // indirect
-	github.com/pmezard/go-difflib v1.0.0 // indirect
-	github.com/prometheus/client_model v0.3.0 // indirect
-	github.com/prometheus/common v0.39.0 // indirect
-	github.com/prometheus/procfs v0.12.0 // indirect
-	github.com/rivo/uniseg v0.4.4 // indirect
-	github.com/rjeczalik/notify v0.9.1 // indirect
-	github.com/rogpeppe/go-internal v1.10.0 // indirect
-	github.com/russross/blackfriday/v2 v2.1.0 // indirect
-	github.com/scroll-tech/zktrie v0.6.0 // indirect
-	github.com/sethvargo/go-retry v0.2.4 // indirect
-	github.com/shirou/gopsutil v3.21.11+incompatible // indirect
-	github.com/status-im/keycard-go v0.2.0 // indirect
-	github.com/tklauser/go-sysconf v0.3.12 // indirect
-	github.com/tklauser/numcpus v0.6.1 // indirect
-	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
-	github.com/tyler-smith/go-bip39 v1.1.0 // indirect
-	github.com/ugorji/go/codec v1.2.11 // indirect
-	github.com/xrash/smetrics v0.0.0-20201216005158-039620a65673 // indirect
-	github.com/yusufpapurcu/wmi v1.2.3 // indirect
-	go.uber.org/multierr v1.11.0 // indirect
-	golang.org/x/arch v0.5.0 // indirect
-	golang.org/x/crypto v0.15.0 // indirect
-	golang.org/x/net v0.18.0 // indirect
-	golang.org/x/sys v0.14.0 // indirect
-	golang.org/x/text v0.14.0 // indirect
-	golang.org/x/time v0.3.0 // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20231127180814-3a041ad873d4 // indirect
-	google.golang.org/protobuf v1.31.0 // indirect
-	gopkg.in/natefinch/npipe.v2 v2.0.0-20160621034901-c1b8fa8bdcce // indirect
-	gopkg.in/yaml.v3 v3.0.1 // indirect
-)

bridge-history-api/go.sum

@@ -1,327 +0,0 @@
-github.com/Azure/go-ansiterm v0.0.0-20230124172434-306776ec8161 h1:L/gRVlceqvL25UVaW/CKtUDjefjrs0SPonmDGUVOYP0=
-github.com/ClickHouse/ch-go v0.58.2 h1:jSm2szHbT9MCAB1rJ3WuCJqmGLi5UTjlNu+f530UTS0=
-github.com/ClickHouse/clickhouse-go/v2 v2.15.0 h1:G0hTKyO8fXXR1bGnZ0DY3vTG01xYfOGW76zgjg5tmC4=
-github.com/Microsoft/go-winio v0.6.1 h1:9/kr64B9VUZrLm5YYwbGtUJnMgqWVOdUAXu6Migciow=
-github.com/Nvveen/Gotty v0.0.0-20120604004816-cd527374f1e5 h1:TngWCqHvy9oXAN6lEVMRuU21PR1EtLVZJmdB18Gu3Rw=
-github.com/VictoriaMetrics/fastcache v1.6.0 h1:C/3Oi3EiBCqufydp1neRZkqcwmEiuRT9c3fqvvgKm5o=
-github.com/aead/siphash v1.0.1/go.mod h1:Nywa3cDsYNNK3gaciGTWPwHt0wlpNV15vwmswBAUSII=
-github.com/andybalholm/brotli v1.0.6 h1:Yf9fFpf49Zrxb9NlQaluyE92/+X7UVHlhMNJN2sxfOI=
-github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
-github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
-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=
-github.com/btcsuite/btcutil v0.0.0-20190425235716-9e5f4b9a998d/go.mod h1:+5NJ2+qvTyV9exUAL/rxXi3DcLg2Ts+ymUAY5y4NvMg=
-github.com/btcsuite/go-socks v0.0.0-20170105172521-4720035b7bfd/go.mod h1:HHNXQzUsZCxOoE+CPiyCTO6x34Zs86zZUiwtpXoGdtg=
-github.com/btcsuite/goleveldb v0.0.0-20160330041536-7834afc9e8cd/go.mod h1:F+uVaaLLH7j4eDXPRvw78tMflu7Ie2bzYOH4Y8rRKBY=
-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/bytedance/sonic v1.5.0/go.mod h1:ED5hyg4y6t3/9Ku1R6dU/4KyJ48DZ4jPhfY1O2AihPM=
-github.com/bytedance/sonic v1.10.0-rc/go.mod h1:ElCzW+ufi8qKqNW0FY314xriJhyJhuoJ3gFZdAHF7NM=
-github.com/bytedance/sonic v1.10.1 h1:7a1wuFXL1cMy7a3f7/VFcEtriuXQnUBhtoVfOZiaysc=
-github.com/bytedance/sonic v1.10.1/go.mod h1:iZcSUejdk5aukTND/Eu/ivjQuEL0Cu9/rf50Hi0u/g4=
-github.com/cenkalti/backoff/v4 v4.2.1 h1:y4OZtCnogmCPw98Zjyt5a6+QwPLGkiQsYW5oUqylYbM=
-github.com/cespare/cp v0.1.0 h1:SE+dxFebS7Iik5LK0tsi1k9ZCxEaFX4AjQmoyA+1dJk=
-github.com/cespare/xxhash/v2 v2.2.0 h1:DC2CZ1Ep5Y4k3ZQ899DldepgrayRUGE6BBZ/cd9Cj44=
-github.com/cespare/xxhash/v2 v2.2.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
-github.com/chenzhuoyu/base64x v0.0.0-20211019084208-fb5309c8db06/go.mod h1:DH46F32mSOjUmXrMHnKwZdA8wcEefY7UVqBKYGjpdQY=
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-github.com/chenzhuoyu/base64x v0.0.0-20230717121745-296ad89f973d h1:77cEq6EriyTZ0g/qfRdp61a3Uu/AWrgIq2s0ClJV1g0=
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-google.golang.org/protobuf v1.31.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
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bridge-history-api/internal/config/config.go

@@ -1,62 +0,0 @@
-package config
-
-import (
-	"encoding/json"
-	"os"
-	"path/filepath"
-
-	"scroll-tech/common/database"
-)
-
-// LayerConfig is the configuration of Layer1/Layer2
-type LayerConfig struct {
-	Confirmation             uint64 `json:"confirmation"`
-	Endpoint                 string `json:"endpoint"`
-	StartHeight              uint64 `json:"startHeight"`
-	BlockTime                int64  `json:"blockTime"`
-	FetchLimit               uint64 `json:"fetchLimit"`
-	MessengerAddr            string `json:"MessengerAddr"`
-	ETHGatewayAddr           string `json:"ETHGatewayAddr"`
-	StandardERC20GatewayAddr string `json:"StandardERC20GatewayAddr"`
-	CustomERC20GatewayAddr   string `json:"CustomERC20GatewayAddr"`
-	WETHGatewayAddr          string `json:"WETHGatewayAddr"`
-	DAIGatewayAddr           string `json:"DAIGatewayAddr"`
-	USDCGatewayAddr          string `json:"USDCGatewayAddr"`
-	LIDOGatewayAddr          string `json:"LIDOGatewayAddr"`
-	ERC721GatewayAddr        string `json:"ERC721GatewayAddr"`
-	ERC1155GatewayAddr       string `json:"ERC1155GatewayAddr"`
-	ScrollChainAddr          string `json:"ScrollChainAddr"`
-	GatewayRouterAddr        string `json:"GatewayRouterAddr"`
-	MessageQueueAddr         string `json:"MessageQueueAddr"`
-}
-
-// RedisConfig redis config
-type RedisConfig struct {
-	Address  string `json:"address"`
-	Password string `json:"password"`
-	DB       int    `json:"db"`
-}
-
-// Config is the configuration of the bridge history backend
-type Config struct {
-	L1    *LayerConfig     `json:"L1"`
-	L2    *LayerConfig     `json:"L2"`
-	DB    *database.Config `json:"db"`
-	Redis *RedisConfig     `json:"redis"`
-}
-
-// NewConfig returns a new instance of Config.
-func NewConfig(file string) (*Config, error) {
-	buf, err := os.ReadFile(filepath.Clean(file))
-	if err != nil {
-		return nil, err
-	}
-
-	cfg := &Config{}
-	err = json.Unmarshal(buf, cfg)
-	if err != nil {
-		return nil, err
-	}
-
-	return cfg, nil
-}

bridge-history-api/internal/controller/api/controller.go

@@ -1,22 +0,0 @@
-package api
-
-import (
-	"sync"
-
-	"github.com/go-redis/redis/v8"
-	"gorm.io/gorm"
-)
-
-var (
-	// HistoryCtrler is controller instance
-	HistoryCtrler *HistoryController
-
-	initControllerOnce sync.Once
-)
-
-// InitController inits Controller with database
-func InitController(db *gorm.DB, redis *redis.Client) {
-	initControllerOnce.Do(func() {
-		HistoryCtrler = NewHistoryController(db, redis)
-	})
-}

bridge-history-api/internal/controller/api/history_controller.go

@@ -1,101 +0,0 @@
-package api
-
-import (
-	"errors"
-
-	"github.com/gin-gonic/gin"
-	"github.com/go-redis/redis/v8"
-	"gorm.io/gorm"
-
-	"scroll-tech/bridge-history-api/internal/logic"
-	"scroll-tech/bridge-history-api/internal/types"
-)
-
-// HistoryController contains the query claimable txs service
-type HistoryController struct {
-	historyLogic *logic.HistoryLogic
-}
-
-// NewHistoryController return HistoryController instance
-func NewHistoryController(db *gorm.DB, redis *redis.Client) *HistoryController {
-	return &HistoryController{
-		historyLogic: logic.NewHistoryLogic(db, redis),
-	}
-}
-
-// GetL2ClaimableWithdrawalsByAddress defines the http get method behavior
-func (c *HistoryController) GetL2ClaimableWithdrawalsByAddress(ctx *gin.Context) {
-	var req types.QueryByAddressRequest
-	if err := ctx.ShouldBind(&req); err != nil {
-		types.RenderFailure(ctx, types.ErrParameterInvalidNo, err)
-		return
-	}
-
-	pagedTxs, total, err := c.historyLogic.GetL2ClaimableWithdrawalsByAddress(ctx, req.Address, req.Page, req.PageSize)
-	if err != nil {
-		types.RenderFailure(ctx, types.ErrGetL2ClaimableWithdrawalsError, err)
-		return
-	}
-
-	resultData := &types.ResultData{Result: pagedTxs, Total: total}
-	types.RenderSuccess(ctx, resultData)
-}
-
-// GetL2WithdrawalsByAddress defines the http get method behavior
-func (c *HistoryController) GetL2WithdrawalsByAddress(ctx *gin.Context) {
-	var req types.QueryByAddressRequest
-	if err := ctx.ShouldBind(&req); err != nil {
-		types.RenderFailure(ctx, types.ErrParameterInvalidNo, err)
-		return
-	}
-
-	pagedTxs, total, err := c.historyLogic.GetL2WithdrawalsByAddress(ctx, req.Address, req.Page, req.PageSize)
-	if err != nil {
-		types.RenderFailure(ctx, types.ErrGetL2WithdrawalsError, err)
-		return
-	}
-
-	resultData := &types.ResultData{Result: pagedTxs, Total: total}
-	types.RenderSuccess(ctx, resultData)
-}
-
-// GetTxsByAddress defines the http get method behavior
-func (c *HistoryController) GetTxsByAddress(ctx *gin.Context) {
-	var req types.QueryByAddressRequest
-	if err := ctx.ShouldBind(&req); err != nil {
-		types.RenderFailure(ctx, types.ErrParameterInvalidNo, err)
-		return
-	}
-
-	pagedTxs, total, err := c.historyLogic.GetTxsByAddress(ctx, req.Address, req.Page, req.PageSize)
-	if err != nil {
-		types.RenderFailure(ctx, types.ErrGetTxsError, err)
-		return
-	}
-
-	resultData := &types.ResultData{Result: pagedTxs, Total: total}
-	types.RenderSuccess(ctx, resultData)
-}
-
-// PostQueryTxsByHashes defines the http post method behavior
-func (c *HistoryController) PostQueryTxsByHashes(ctx *gin.Context) {
-	var req types.QueryByHashRequest
-	if err := ctx.ShouldBindJSON(&req); err != nil {
-		types.RenderFailure(ctx, types.ErrParameterInvalidNo, err)
-		return
-	}
-
-	if len(req.Txs) > 100 {
-		types.RenderFailure(ctx, types.ErrParameterInvalidNo, errors.New("number of hashes exceeds the allowed maximum (100)"))
-		return
-	}
-
-	results, err := c.historyLogic.GetTxsByHashes(ctx, req.Txs)
-	if err != nil {
-		types.RenderFailure(ctx, types.ErrGetTxsByHashError, err)
-		return
-	}
-
-	resultData := &types.ResultData{Result: results, Total: uint64(len(results))}
-	types.RenderSuccess(ctx, resultData)
-}

bridge-history-api/internal/controller/fetcher/l1_fetcher.go

@@ -1,261 +0,0 @@
-package fetcher
-
-import (
-	"context"
-	"math/big"
-	"time"
-
-	"github.com/scroll-tech/go-ethereum"
-	"github.com/scroll-tech/go-ethereum/common"
-	"github.com/scroll-tech/go-ethereum/core/types"
-	"github.com/scroll-tech/go-ethereum/ethclient"
-	"github.com/scroll-tech/go-ethereum/log"
-	"gorm.io/gorm"
-
-	backendabi "scroll-tech/bridge-history-api/abi"
-	"scroll-tech/bridge-history-api/internal/config"
-	"scroll-tech/bridge-history-api/internal/logic"
-	"scroll-tech/bridge-history-api/internal/orm"
-	"scroll-tech/bridge-history-api/internal/utils"
-)
-
-// L1MessageFetcher fetches cross message events from L1 and saves them to database.
-type L1MessageFetcher struct {
-	ctx             context.Context
-	cfg             *config.LayerConfig
-	db              *gorm.DB
-	crossMessageOrm *orm.CrossMessage
-	batchEventOrm   *orm.BatchEvent
-	client          *ethclient.Client
-	addressList     []common.Address
-}
-
-// NewL1MessageFetcher creates a new L1MessageFetcher instance.
-func NewL1MessageFetcher(ctx context.Context, cfg *config.LayerConfig, db *gorm.DB, client *ethclient.Client) (*L1MessageFetcher, error) {
-	addressList := []common.Address{
-		common.HexToAddress(cfg.ETHGatewayAddr),
-
-		common.HexToAddress(cfg.StandardERC20GatewayAddr),
-		common.HexToAddress(cfg.CustomERC20GatewayAddr),
-		common.HexToAddress(cfg.WETHGatewayAddr),
-		common.HexToAddress(cfg.DAIGatewayAddr),
-
-		common.HexToAddress(cfg.ERC721GatewayAddr),
-		common.HexToAddress(cfg.ERC1155GatewayAddr),
-
-		common.HexToAddress(cfg.MessengerAddr),
-
-		common.HexToAddress(cfg.ScrollChainAddr),
-
-		common.HexToAddress(cfg.MessageQueueAddr),
-	}
-
-	// Optional erc20 gateways.
-	if cfg.USDCGatewayAddr != "" {
-		addressList = append(addressList, common.HexToAddress(cfg.USDCGatewayAddr))
-	}
-
-	if cfg.LIDOGatewayAddr != "" {
-		addressList = append(addressList, common.HexToAddress(cfg.LIDOGatewayAddr))
-	}
-
-	return &L1MessageFetcher{
-		ctx:             ctx,
-		cfg:             cfg,
-		db:              db,
-		crossMessageOrm: orm.NewCrossMessage(db),
-		batchEventOrm:   orm.NewBatchEvent(db),
-		client:          client,
-		addressList:     addressList,
-	}, nil
-}
-
-// Start starts the L1 message fetching process.
-func (c *L1MessageFetcher) Start() {
-	tick := time.NewTicker(time.Duration(c.cfg.BlockTime) * time.Second)
-	go func() {
-		for {
-			select {
-			case <-c.ctx.Done():
-				tick.Stop()
-				return
-			case <-tick.C:
-				c.fetchAndSaveEvents(c.cfg.Confirmation)
-			}
-		}
-	}()
-}
-
-func (c *L1MessageFetcher) fetchAndSaveEvents(confirmation uint64) {
-	endHeight, err := utils.GetBlockNumber(c.ctx, c.client, confirmation)
-	if err != nil {
-		log.Error("failed to get L1 safe block number", "err", err)
-		return
-	}
-
-	l1SentMessageProcessedHeight, err := c.crossMessageOrm.GetMessageProcessedHeightInDB(c.ctx, orm.MessageTypeL1SentMessage)
-	if err != nil {
-		log.Error("failed to get L1 cross message processed height", "err", err)
-		return
-	}
-	startHeight := c.cfg.StartHeight
-	if l1SentMessageProcessedHeight+1 > startHeight {
-		startHeight = l1SentMessageProcessedHeight + 1
-	}
-	log.Info("fetch and save missing L1 events", "start height", startHeight, "config height", c.cfg.StartHeight, "db height", l1SentMessageProcessedHeight)
-
-	for from := startHeight; from <= endHeight; from += c.cfg.FetchLimit {
-		to := from + c.cfg.FetchLimit - 1
-		if to > endHeight {
-			to = endHeight
-		}
-		err = c.doFetchAndSaveEvents(c.ctx, from, to, c.addressList)
-		if err != nil {
-			log.Error("failed to fetch and save L1 events", "from", from, "to", to, "err", err)
-			return
-		}
-	}
-}
-
-func (c *L1MessageFetcher) doFetchAndSaveEvents(ctx context.Context, from uint64, to uint64, addrList []common.Address) error {
-	log.Info("fetch and save L1 events", "from", from, "to", to)
-	var l1FailedGatewayRouterTxs []*orm.CrossMessage
-	blockTimestampsMap := make(map[uint64]uint64)
-	for number := from; number <= to; number++ {
-		blockNumber := new(big.Int).SetUint64(number)
-		block, err := c.client.BlockByNumber(ctx, blockNumber)
-		if err != nil {
-			log.Error("failed to get block by number", "number", blockNumber.String(), "err", err)
-			return err
-		}
-		blockTimestampsMap[block.NumberU64()] = block.Time()
-
-		for _, tx := range block.Transactions() {
-			to := tx.To()
-			if to == nil {
-				continue
-			}
-			toAddress := to.String()
-			if toAddress == c.cfg.GatewayRouterAddr {
-				receipt, err := c.client.TransactionReceipt(ctx, tx.Hash())
-				if err != nil {
-					log.Error("Failed to get transaction receipt", "txHash", tx.Hash().String(), "err", err)
-					return err
-				}
-
-				// Check if the transaction failed
-				if receipt.Status == types.ReceiptStatusFailed {
-					signer := types.NewLondonSigner(new(big.Int).SetUint64(tx.ChainId().Uint64()))
-					sender, err := signer.Sender(tx)
-					if err != nil {
-						log.Error("get sender failed", "chain id", tx.ChainId().Uint64(), "tx hash", tx.Hash().String(), "err", err)
-						return err
-					}
-					l1FailedGatewayRouterTxs = append(l1FailedGatewayRouterTxs, &orm.CrossMessage{
-						L1TxHash:       tx.Hash().String(),
-						MessageType:    int(orm.MessageTypeL1SentMessage),
-						Sender:         sender.String(),
-						Receiver:       (*tx.To()).String(),
-						BlockTimestamp: block.Time(),
-						TxStatus:       int(orm.TxStatusTypeSentFailed),
-					})
-				}
-			}
-		}
-	}
-
-	query := ethereum.FilterQuery{
-		FromBlock: new(big.Int).SetUint64(from), // inclusive
-		ToBlock:   new(big.Int).SetUint64(to),   // inclusive
-		Addresses: addrList,
-		Topics:    make([][]common.Hash, 1),
-	}
-	query.Topics[0] = make([]common.Hash, 13)
-	query.Topics[0][0] = backendabi.L1DepositETHSig
-	query.Topics[0][1] = backendabi.L1DepositERC20Sig
-	query.Topics[0][2] = backendabi.L1DepositERC721Sig
-	query.Topics[0][3] = backendabi.L1DepositERC1155Sig
-	query.Topics[0][4] = backendabi.L1SentMessageEventSig
-	query.Topics[0][5] = backendabi.L1RelayedMessageEventSig
-	query.Topics[0][6] = backendabi.L1FailedRelayedMessageEventSig
-	query.Topics[0][7] = backendabi.L1CommitBatchEventSig
-	query.Topics[0][8] = backendabi.L1RevertBatchEventSig
-	query.Topics[0][9] = backendabi.L1FinalizeBatchEventSig
-	query.Topics[0][10] = backendabi.L1QueueTransactionEventSig
-	query.Topics[0][11] = backendabi.L1DequeueTransactionEventSig
-	query.Topics[0][12] = backendabi.L1DropTransactionEventSig
-
-	logs, err := c.client.FilterLogs(ctx, query)
-	if err != nil {
-		log.Error("failed to filter L1 event logs", "from", from, "to", to, "err", err)
-		return err
-	}
-	l1DepositMessages, l1RelayedMessages, err := logic.ParseL1CrossChainEventLogs(ctx, logs, blockTimestampsMap, c.client)
-	if err != nil {
-		log.Error("failed to parse L1 cross chain event logs", "from", from, "to", to, "err", err)
-		return err
-	}
-	l1BatchEvents, err := logic.ParseL1BatchEventLogs(ctx, logs, blockTimestampsMap, c.client)
-	if err != nil {
-		log.Error("failed to parse L1 batch event logs", "from", from, "to", to, "err", err)
-		return err
-	}
-	l1MessageQueueEvents, err := logic.ParseL1MessageQueueEventLogs(ctx, logs, blockTimestampsMap, c.client)
-	if err != nil {
-		log.Error("failed to parse L1 message queue event logs", "from", from, "to", to, "err", err)
-		return err
-	}
-	err = c.db.Transaction(func(tx *gorm.DB) error {
-		if txErr := c.crossMessageOrm.InsertOrUpdateL1Messages(ctx, l1DepositMessages, tx); txErr != nil {
-			log.Error("failed to insert L1 deposit messages", "from", from, "to", to, "err", txErr)
-			return txErr
-		}
-		if txErr := c.crossMessageOrm.InsertOrUpdateL1RelayedMessagesOfL2Withdrawals(ctx, l1RelayedMessages, tx); txErr != nil {
-			log.Error("failed to update L1 relayed messages of L2 withdrawals", "from", from, "to", to, "err", txErr)
-			return txErr
-		}
-		if txErr := c.batchEventOrm.InsertOrUpdateBatchEvents(ctx, l1BatchEvents, tx); txErr != nil {
-			log.Error("failed to insert or update batch events", "from", from, "to", to, "err", txErr)
-			return txErr
-		}
-		if txErr := c.crossMessageOrm.UpdateL1MessageQueueEventsInfo(ctx, l1MessageQueueEvents, tx); txErr != nil {
-			log.Error("failed to insert L1 message queue events", "from", from, "to", to, "err", txErr)
-			return txErr
-		}
-		if txErr := c.crossMessageOrm.InsertFailedGatewayRouterTxs(ctx, l1FailedGatewayRouterTxs, tx); txErr != nil {
-			log.Error("failed to insert L1 failed gateway router transactions", "from", from, "to", to, "err", txErr)
-			return txErr
-		}
-		return nil
-	})
-	if err != nil {
-		log.Error("failed to update db of L1 events", "from", from, "to", to, "err", err)
-		return err
-	}
-	if err = c.updateBatchIndexAndStatus(ctx); err != nil {
-		log.Error("failed to update batch index and status", "err", err)
-		return err
-	}
-	return nil
-}
-
-func (c *L1MessageFetcher) updateBatchIndexAndStatus(ctx context.Context) error {
-	latestMessageHeight, err := c.crossMessageOrm.GetLatestFinalizedL2WithdrawalBlockHeight(ctx)
-	if err != nil {
-		log.Error("failed to get latest finalized L2 sent message block height", "error", err)
-		return err
-	}
-	batches, err := c.batchEventOrm.GetBatchesGEBlockHeight(ctx, latestMessageHeight+1)
-	if err != nil {
-		log.Error("failed to get batches >= block height", "error", err)
-		return err
-	}
-	for _, batch := range batches {
-		log.Info("update batch info of L2 withdrawals", "index", batch.BatchIndex, "start", batch.StartBlockNumber, "end", batch.EndBlockNumber)
-		if err := c.crossMessageOrm.UpdateBatchStatusOfL2Withdrawals(ctx, batch.StartBlockNumber, batch.EndBlockNumber, batch.BatchIndex); err != nil {
-			log.Error("failed to update batch status of L2 sent messages", "start", batch.StartBlockNumber, "end", batch.EndBlockNumber, "index", batch.BatchIndex, "error", err)
-			return err
-		}
-	}
-	return nil
-}

bridge-history-api/internal/controller/fetcher/l2_fetcher.go

@@ -1,258 +0,0 @@
-package fetcher
-
-import (
-	"context"
-	"fmt"
-	"math/big"
-	"time"
-
-	"github.com/scroll-tech/go-ethereum"
-	"github.com/scroll-tech/go-ethereum/common"
-	"github.com/scroll-tech/go-ethereum/core/types"
-	"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/rpc"
-	"gorm.io/gorm"
-
-	backendabi "scroll-tech/bridge-history-api/abi"
-	"scroll-tech/bridge-history-api/internal/config"
-	"scroll-tech/bridge-history-api/internal/logic"
-	"scroll-tech/bridge-history-api/internal/orm"
-	"scroll-tech/bridge-history-api/internal/utils"
-)
-
-// L2MessageFetcher fetches cross message events from L2 and saves them to database.
-type L2MessageFetcher struct {
-	ctx             context.Context
-	cfg             *config.LayerConfig
-	db              *gorm.DB
-	crossMessageOrm *orm.CrossMessage
-	client          *ethclient.Client
-	addressList     []common.Address
-}
-
-// NewL2MessageFetcher creates a new L2MessageFetcher instance.
-func NewL2MessageFetcher(ctx context.Context, cfg *config.LayerConfig, db *gorm.DB, client *ethclient.Client) (*L2MessageFetcher, error) {
-	addressList := []common.Address{
-		common.HexToAddress(cfg.ETHGatewayAddr),
-
-		common.HexToAddress(cfg.StandardERC20GatewayAddr),
-		common.HexToAddress(cfg.CustomERC20GatewayAddr),
-		common.HexToAddress(cfg.WETHGatewayAddr),
-		common.HexToAddress(cfg.DAIGatewayAddr),
-
-		common.HexToAddress(cfg.ERC721GatewayAddr),
-		common.HexToAddress(cfg.ERC1155GatewayAddr),
-
-		common.HexToAddress(cfg.MessengerAddr),
-	}
-
-	// Optional erc20 gateways.
-	if cfg.USDCGatewayAddr != "" {
-		addressList = append(addressList, common.HexToAddress(cfg.USDCGatewayAddr))
-	}
-
-	if cfg.LIDOGatewayAddr != "" {
-		addressList = append(addressList, common.HexToAddress(cfg.LIDOGatewayAddr))
-	}
-
-	return &L2MessageFetcher{
-		ctx:             ctx,
-		cfg:             cfg,
-		db:              db,
-		crossMessageOrm: orm.NewCrossMessage(db),
-		client:          client,
-		addressList:     addressList,
-	}, nil
-}
-
-// Start starts the L2 message fetching process.
-func (c *L2MessageFetcher) Start() {
-	tick := time.NewTicker(time.Duration(c.cfg.BlockTime) * time.Second)
-	go func() {
-		for {
-			select {
-			case <-c.ctx.Done():
-				tick.Stop()
-				return
-			case <-tick.C:
-				c.fetchAndSaveEvents(c.cfg.Confirmation)
-			}
-		}
-	}()
-}
-
-func (c *L2MessageFetcher) fetchAndSaveEvents(confirmation uint64) {
-	endHeight, err := utils.GetBlockNumber(c.ctx, c.client, confirmation)
-	if err != nil {
-		log.Error("failed to get L1 safe block number", "err", err)
-		return
-	}
-
-	l2SentMessageProcessedHeight, err := c.crossMessageOrm.GetMessageProcessedHeightInDB(c.ctx, orm.MessageTypeL2SentMessage)
-	if err != nil {
-		log.Error("failed to get L2 cross message processed height", "err", err)
-		return
-	}
-	startHeight := c.cfg.StartHeight
-	if l2SentMessageProcessedHeight+1 > startHeight {
-		startHeight = l2SentMessageProcessedHeight + 1
-	}
-	log.Info("fetch and save missing L2 events", "start height", startHeight, "config height", c.cfg.StartHeight, "db height", l2SentMessageProcessedHeight)
-
-	for from := startHeight; from <= endHeight; from += c.cfg.FetchLimit {
-		to := from + c.cfg.FetchLimit - 1
-		if to > endHeight {
-			to = endHeight
-		}
-		err = c.doFetchAndSaveEvents(c.ctx, from, to, c.addressList)
-		if err != nil {
-			log.Error("failed to fetch and save L2 events", "from", from, "to", to, "err", err)
-			return
-		}
-	}
-}
-
-func (c *L2MessageFetcher) doFetchAndSaveEvents(ctx context.Context, from uint64, to uint64, addrList []common.Address) error {
-	log.Info("fetch and save L2 events", "from", from, "to", to)
-	var l2FailedGatewayRouterTxs []*orm.CrossMessage
-	var l2RevertedRelayedMessages []*orm.CrossMessage
-	blockTimestampsMap := make(map[uint64]uint64)
-	for number := from; number <= to; number++ {
-		blockNumber := new(big.Int).SetUint64(number)
-		block, err := c.client.GetBlockByNumberOrHash(ctx, rpc.BlockNumberOrHashWithNumber(rpc.BlockNumber(number)))
-		if err != nil {
-			log.Error("failed to get block by number", "number", blockNumber.String(), "err", err)
-			return err
-		}
-		blockTimestampsMap[block.NumberU64()] = block.Time()
-
-		for _, tx := range block.Transactions() {
-			to := tx.To()
-			if to == nil {
-				continue
-			}
-			toAddress := to.String()
-			if toAddress == c.cfg.GatewayRouterAddr {
-				receipt, err := c.client.TransactionReceipt(ctx, tx.Hash())
-				if err != nil {
-					log.Error("Failed to get transaction receipt", "txHash", tx.Hash().String(), "err", err)
-					return err
-				}
-
-				// Check if the transaction failed
-				if receipt.Status == types.ReceiptStatusFailed {
-					signer := types.NewLondonSigner(new(big.Int).SetUint64(tx.ChainId().Uint64()))
-					sender, err := signer.Sender(tx)
-					if err != nil {
-						log.Error("get sender failed", "chain id", tx.ChainId().Uint64(), "tx hash", tx.Hash().String(), "err", err)
-						return err
-					}
-					l2FailedGatewayRouterTxs = append(l2FailedGatewayRouterTxs, &orm.CrossMessage{
-						L2TxHash:       tx.Hash().String(),
-						MessageType:    int(orm.MessageTypeL2SentMessage),
-						Sender:         sender.String(),
-						Receiver:       (*tx.To()).String(),
-						BlockTimestamp: block.Time(),
-						TxStatus:       int(orm.TxStatusTypeSentFailed),
-					})
-				}
-			}
-			if tx.Type() == types.L1MessageTxType {
-				receipt, err := c.client.TransactionReceipt(ctx, tx.Hash())
-				if err != nil {
-					log.Error("Failed to get transaction receipt", "txHash", tx.Hash().String(), "err", err)
-					return err
-				}
-				// Check if the transaction failed
-				if receipt.Status == types.ReceiptStatusFailed {
-					l2RevertedRelayedMessages = append(l2RevertedRelayedMessages, &orm.CrossMessage{
-						MessageHash:   common.Bytes2Hex(crypto.Keccak256(tx.AsL1MessageTx().Data)),
-						L2TxHash:      tx.Hash().String(),
-						TxStatus:      int(orm.TxStatusTypeRelayedFailed),
-						L2BlockNumber: receipt.BlockNumber.Uint64(),
-					})
-				}
-			}
-		}
-	}
-
-	query := ethereum.FilterQuery{
-		FromBlock: new(big.Int).SetUint64(from), // inclusive
-		ToBlock:   new(big.Int).SetUint64(to),   // inclusive
-		Addresses: addrList,
-		Topics:    make([][]common.Hash, 1),
-	}
-	query.Topics[0] = make([]common.Hash, 7)
-	query.Topics[0][0] = backendabi.L2WithdrawETHSig
-	query.Topics[0][1] = backendabi.L2WithdrawERC20Sig
-	query.Topics[0][2] = backendabi.L2WithdrawERC721Sig
-	query.Topics[0][3] = backendabi.L2WithdrawERC1155Sig
-	query.Topics[0][4] = backendabi.L2SentMessageEventSig
-	query.Topics[0][5] = backendabi.L2RelayedMessageEventSig
-	query.Topics[0][6] = backendabi.L2FailedRelayedMessageEventSig
-
-	logs, err := c.client.FilterLogs(ctx, query)
-	if err != nil {
-		log.Error("Failed to filter L2 event logs", "from", from, "to", to, "err", err)
-		return err
-	}
-	l2WithdrawMessages, l2RelayedMessages, err := logic.ParseL2EventLogs(logs, blockTimestampsMap)
-	if err != nil {
-		log.Error("failed to parse L2 event logs", "from", from, "to", to, "err", err)
-		return err
-	}
-
-	l2RelayedMessages = append(l2RelayedMessages, l2RevertedRelayedMessages...)
-
-	if err = c.updateL2WithdrawMessageProofs(ctx, l2WithdrawMessages); err != nil {
-		log.Error("failed to update withdraw message proofs", "err", err)
-	}
-
-	err = c.db.Transaction(func(tx *gorm.DB) error {
-		if txErr := c.crossMessageOrm.InsertOrUpdateL2Messages(ctx, l2WithdrawMessages, tx); txErr != nil {
-			log.Error("failed to insert L2 withdrawal messages", "from", from, "to", to, "err", txErr)
-			return txErr
-		}
-		if txErr := c.crossMessageOrm.InsertOrUpdateL2RelayedMessagesOfL1Deposits(ctx, l2RelayedMessages, tx); txErr != nil {
-			log.Error("failed to update L2 relayed messages of L1 deposits", "from", from, "to", to, "err", txErr)
-			return txErr
-		}
-		if txErr := c.crossMessageOrm.InsertFailedGatewayRouterTxs(ctx, l2FailedGatewayRouterTxs, tx); txErr != nil {
-			log.Error("failed to insert L2 failed gateway router transactions", "from", from, "to", to, "err", txErr)
-			return txErr
-		}
-		return nil
-	})
-	if err != nil {
-		log.Error("failed to update db of L2 events", "from", from, "to", to, "err", err)
-		return err
-	}
-	return nil
-}
-
-func (c *L2MessageFetcher) updateL2WithdrawMessageProofs(ctx context.Context, l2WithdrawMessages []*orm.CrossMessage) error {
-	withdrawTrie := utils.NewWithdrawTrie()
-	message, err := c.crossMessageOrm.GetLatestL2Withdrawal(ctx)
-	if err != nil {
-		log.Error("failed to get latest L2 sent message event", "err", err)
-		return err
-	}
-	if message != nil {
-		withdrawTrie.Initialize(message.MessageNonce, common.HexToHash(message.MessageHash), message.MerkleProof)
-	}
-	messageHashes := make([]common.Hash, len(l2WithdrawMessages))
-	for i, message := range l2WithdrawMessages {
-		messageHashes[i] = common.HexToHash(message.MessageHash)
-	}
-	proofs := withdrawTrie.AppendMessages(messageHashes)
-	if len(l2WithdrawMessages) != len(proofs) {
-		log.Error("invalid proof array length", "L2 withdrawal messages length", len(l2WithdrawMessages), "proofs length", len(proofs))
-		return fmt.Errorf("invalid proof array length: got %d proofs for %d l2WithdrawMessages", len(proofs), len(l2WithdrawMessages))
-	}
-	for i, proof := range proofs {
-		l2WithdrawMessages[i].MerkleProof = proof
-	}
-	return nil
-}

bridge-history-api/internal/logic/history_logic.go

@@ -1,370 +0,0 @@
-package logic
-
-import (
-	"context"
-	"encoding/json"
-	"errors"
-	"reflect"
-	"strconv"
-	"time"
-
-	"github.com/go-redis/redis/v8"
-	"github.com/scroll-tech/go-ethereum/common"
-	"github.com/scroll-tech/go-ethereum/log"
-	"golang.org/x/sync/singleflight"
-	"gorm.io/gorm"
-
-	"scroll-tech/bridge-history-api/internal/orm"
-	"scroll-tech/bridge-history-api/internal/types"
-)
-
-const (
-	cacheKeyPrefixL2ClaimableWithdrawalsByAddr = "l2ClaimableWithdrawalsByAddr:"
-	cacheKeyPrefixL2WithdrawalsByAddr          = "l2WithdrawalsByAddr:"
-	cacheKeyPrefixTxsByAddr                    = "txsByAddr:"
-	cacheKeyPrefixQueryTxsByHashes             = "queryTxsByHashes:"
-	cacheKeyExpiredTime                        = 1 * time.Minute
-)
-
-// HistoryLogic services.
-type HistoryLogic struct {
-	crossMessageOrm *orm.CrossMessage
-	batchEventOrm   *orm.BatchEvent
-	redis           *redis.Client
-	singleFlight    singleflight.Group
-	cacheMetrics    *cacheMetrics
-}
-
-// NewHistoryLogic returns bridge history services.
-func NewHistoryLogic(db *gorm.DB, redis *redis.Client) *HistoryLogic {
-	logic := &HistoryLogic{
-		crossMessageOrm: orm.NewCrossMessage(db),
-		batchEventOrm:   orm.NewBatchEvent(db),
-		redis:           redis,
-		cacheMetrics:    initCacheMetrics(),
-	}
-	return logic
-}
-
-// GetL2ClaimableWithdrawalsByAddress gets all claimable withdrawal txs under given address.
-func (h *HistoryLogic) GetL2ClaimableWithdrawalsByAddress(ctx context.Context, address string, page, pageSize uint64) ([]*types.TxHistoryInfo, uint64, error) {
-	cacheKey := cacheKeyPrefixL2ClaimableWithdrawalsByAddr + address
-	pagedTxs, total, isHit, err := h.getCachedTxsInfo(ctx, cacheKey, page, pageSize)
-	if err != nil {
-		log.Error("failed to get cached tx info", "cached key", cacheKey, "page", page, "page size", pageSize, "error", err)
-		return nil, 0, err
-	}
-
-	if isHit {
-		h.cacheMetrics.cacheHits.WithLabelValues("GetL2ClaimableWithdrawalsByAddress").Inc()
-		log.Info("cache hit", "cache key", cacheKey)
-		return pagedTxs, total, nil
-	}
-
-	h.cacheMetrics.cacheMisses.WithLabelValues("GetL2ClaimableWithdrawalsByAddress").Inc()
-	log.Info("cache miss", "cache key", cacheKey)
-
-	result, err, _ := h.singleFlight.Do(cacheKey, func() (interface{}, error) {
-		var messages []*orm.CrossMessage
-		messages, err = h.crossMessageOrm.GetL2ClaimableWithdrawalsByAddress(ctx, address)
-		if err != nil {
-			return nil, err
-		}
-		return messages, nil
-	})
-	if err != nil {
-		log.Error("failed to get l2 claimable withdrawals by address", "address", address, "error", err)
-		return nil, 0, err
-	}
-
-	messages, ok := result.([]*orm.CrossMessage)
-	if !ok {
-		log.Error("unexpected type", "expected", "[]*types.TxHistoryInfo", "got", reflect.TypeOf(result), "address", address)
-		return nil, 0, errors.New("unexpected error")
-	}
-
-	return h.processAndCacheTxHistoryInfo(ctx, cacheKey, messages, page, pageSize)
-}
-
-// GetL2WithdrawalsByAddress gets all withdrawal txs under given address.
-func (h *HistoryLogic) GetL2WithdrawalsByAddress(ctx context.Context, address string, page, pageSize uint64) ([]*types.TxHistoryInfo, uint64, error) {
-	cacheKey := cacheKeyPrefixL2WithdrawalsByAddr + address
-	pagedTxs, total, isHit, err := h.getCachedTxsInfo(ctx, cacheKey, page, pageSize)
-	if err != nil {
-		log.Error("failed to get cached tx info", "cached key", cacheKey, "page", page, "page size", pageSize, "error", err)
-		return nil, 0, err
-	}
-
-	if isHit {
-		h.cacheMetrics.cacheHits.WithLabelValues("GetL2WithdrawalsByAddress").Inc()
-		log.Info("cache hit", "cache key", cacheKey)
-		return pagedTxs, total, nil
-	}
-
-	h.cacheMetrics.cacheMisses.WithLabelValues("GetL2WithdrawalsByAddress").Inc()
-	log.Info("cache miss", "cache key", cacheKey)
-
-	result, err, _ := h.singleFlight.Do(cacheKey, func() (interface{}, error) {
-		var messages []*orm.CrossMessage
-		messages, err = h.crossMessageOrm.GetL2WithdrawalsByAddress(ctx, address)
-		if err != nil {
-			return nil, err
-		}
-		return messages, nil
-	})
-	if err != nil {
-		log.Error("failed to get l2 withdrawals by address", "address", address, "error", err)
-		return nil, 0, err
-	}
-
-	messages, ok := result.([]*orm.CrossMessage)
-	if !ok {
-		log.Error("unexpected type", "expected", "[]*types.TxHistoryInfo", "got", reflect.TypeOf(result), "address", address)
-		return nil, 0, errors.New("unexpected error")
-	}
-
-	return h.processAndCacheTxHistoryInfo(ctx, cacheKey, messages, page, pageSize)
-}
-
-// GetTxsByAddress gets tx infos under given address.
-func (h *HistoryLogic) GetTxsByAddress(ctx context.Context, address string, page, pageSize uint64) ([]*types.TxHistoryInfo, uint64, error) {
-	cacheKey := cacheKeyPrefixTxsByAddr + address
-	pagedTxs, total, isHit, err := h.getCachedTxsInfo(ctx, cacheKey, page, pageSize)
-	if err != nil {
-		log.Error("failed to get cached tx info", "cached key", cacheKey, "page", page, "page size", pageSize, "error", err)
-		return nil, 0, err
-	}
-
-	if isHit {
-		h.cacheMetrics.cacheHits.WithLabelValues("GetTxsByAddress").Inc()
-		log.Info("cache hit", "cache key", cacheKey)
-		return pagedTxs, total, nil
-	}
-
-	h.cacheMetrics.cacheMisses.WithLabelValues("GetTxsByAddress").Inc()
-	log.Info("cache miss", "cache key", cacheKey)
-
-	result, err, _ := h.singleFlight.Do(cacheKey, func() (interface{}, error) {
-		var messages []*orm.CrossMessage
-		messages, err = h.crossMessageOrm.GetTxsByAddress(ctx, address)
-		if err != nil {
-			return nil, err
-		}
-		return messages, nil
-	})
-	if err != nil {
-		log.Error("failed to get txs by address", "address", address, "error", err)
-		return nil, 0, err
-	}
-
-	messages, ok := result.([]*orm.CrossMessage)
-	if !ok {
-		log.Error("unexpected type", "expected", "[]*types.TxHistoryInfo", "got", reflect.TypeOf(result), "address", address)
-		return nil, 0, errors.New("unexpected error")
-	}
-
-	return h.processAndCacheTxHistoryInfo(ctx, cacheKey, messages, page, pageSize)
-}
-
-// GetTxsByHashes gets tx infos under given tx hashes.
-func (h *HistoryLogic) GetTxsByHashes(ctx context.Context, txHashes []string) ([]*types.TxHistoryInfo, error) {
-	hashesMap := make(map[string]struct{}, len(txHashes))
-	results := make([]*types.TxHistoryInfo, 0, len(txHashes))
-	uncachedHashes := make([]string, 0, len(txHashes))
-	for _, hash := range txHashes {
-		if _, exists := hashesMap[hash]; exists {
-			// Skip duplicate tx hash values.
-			continue
-		}
-		hashesMap[hash] = struct{}{}
-
-		cacheKey := cacheKeyPrefixQueryTxsByHashes + hash
-		cachedData, err := h.redis.Get(ctx, cacheKey).Bytes()
-		if err == nil {
-			h.cacheMetrics.cacheHits.WithLabelValues("PostQueryTxsByHashes").Inc()
-			log.Info("cache hit", "cache key", cacheKey)
-			if len(cachedData) == 0 {
-				continue
-			} else {
-				var txInfo types.TxHistoryInfo
-				if err = json.Unmarshal(cachedData, &txInfo); err != nil {
-					log.Error("failed to unmarshal cached data", "error", err)
-					uncachedHashes = append(uncachedHashes, hash)
-				} else {
-					results = append(results, &txInfo)
-				}
-			}
-		} else if err == redis.Nil {
-			h.cacheMetrics.cacheMisses.WithLabelValues("PostQueryTxsByHashes").Inc()
-			log.Info("cache miss", "cache key", cacheKey)
-			uncachedHashes = append(uncachedHashes, hash)
-		} else {
-			log.Error("failed to get data from Redis", "error", err)
-			uncachedHashes = append(uncachedHashes, hash)
-		}
-	}
-
-	if len(uncachedHashes) > 0 {
-		messages, err := h.crossMessageOrm.GetMessagesByTxHashes(ctx, uncachedHashes)
-		if err != nil {
-			log.Error("failed to get messages by tx hashes", "hashes", uncachedHashes)
-			return nil, err
-		}
-
-		var txHistories []*types.TxHistoryInfo
-		for _, message := range messages {
-			txHistories = append(txHistories, getTxHistoryInfo(message))
-		}
-
-		resultMap := make(map[string]*types.TxHistoryInfo)
-		for _, result := range txHistories {
-			results = append(results, result)
-			resultMap[result.Hash] = result
-		}
-
-		for _, hash := range uncachedHashes {
-			cacheKey := cacheKeyPrefixQueryTxsByHashes + hash
-			result, found := resultMap[hash]
-			if found {
-				jsonData, err := json.Marshal(result)
-				if err != nil {
-					log.Error("failed to marshal data", "error", err)
-				} else {
-					if err := h.redis.Set(ctx, cacheKey, jsonData, cacheKeyExpiredTime).Err(); err != nil {
-						log.Error("failed to set data to Redis", "error", err)
-					}
-				}
-			} else {
-				// tx hash not found, which is also a valid result, cache empty string.
-				if err := h.redis.Set(ctx, cacheKey, "", cacheKeyExpiredTime).Err(); err != nil {
-					log.Error("failed to set data to Redis", "error", err)
-				}
-			}
-		}
-	}
-	return results, nil
-}
-
-func getTxHistoryInfo(message *orm.CrossMessage) *types.TxHistoryInfo {
-	txHistory := &types.TxHistoryInfo{
-		MsgHash:   message.MessageHash,
-		Amount:    message.TokenAmounts,
-		L1Token:   message.L1TokenAddress,
-		L2Token:   message.L2TokenAddress,
-		IsL1:      orm.MessageType(message.MessageType) == orm.MessageTypeL1SentMessage,
-		TxStatus:  message.TxStatus,
-		CreatedAt: &message.CreatedAt,
-	}
-	if txHistory.IsL1 {
-		txHistory.Hash = message.L1TxHash
-		txHistory.BlockNumber = message.L1BlockNumber
-		txHistory.FinalizeTx = &types.Finalized{
-			Hash:        message.L2TxHash,
-			BlockNumber: message.L2BlockNumber,
-		}
-	} else {
-		txHistory.Hash = message.L2TxHash
-		txHistory.BlockNumber = message.L2BlockNumber
-		txHistory.FinalizeTx = &types.Finalized{
-			Hash:        message.L1TxHash,
-			BlockNumber: message.L1BlockNumber,
-		}
-		if orm.RollupStatusType(message.RollupStatus) == orm.RollupStatusTypeFinalized {
-			txHistory.ClaimInfo = &types.UserClaimInfo{
-				From:       message.MessageFrom,
-				To:         message.MessageTo,
-				Value:      message.MessageValue,
-				Nonce:      strconv.FormatUint(message.MessageNonce, 10),
-				Message:    message.MessageData,
-				Proof:      common.Bytes2Hex(message.MerkleProof),
-				BatchIndex: strconv.FormatUint(message.BatchIndex, 10),
-			}
-		}
-	}
-	return txHistory
-}
-
-func (h *HistoryLogic) getCachedTxsInfo(ctx context.Context, cacheKey string, pageNum, pageSize uint64) ([]*types.TxHistoryInfo, uint64, bool, error) {
-	start := int64(pageNum * pageSize)
-	end := int64((pageNum+1)*pageSize - 1)
-
-	total, err := h.redis.ZCard(ctx, cacheKey).Result()
-	if err != nil {
-		if err == redis.Nil {
-			// Key does not exist, cache miss.
-			return nil, 0, false, nil
-		}
-		log.Error("failed to get zcard result", "error", err)
-		return nil, 0, false, err
-	}
-
-	values, err := h.redis.ZRange(ctx, cacheKey, start, end).Result()
-	if err != nil {
-		if err == redis.Nil {
-			// Key does not exist, cache miss.
-			return nil, 0, false, nil
-		}
-		log.Error("failed to get zrange result", "error", err)
-		return nil, 0, false, err
-	}
-
-	var pagedTxs []*types.TxHistoryInfo
-	for _, v := range values {
-		var tx types.TxHistoryInfo
-		err := json.Unmarshal([]byte(v), &tx)
-		if err != nil {
-			log.Error("failed to unmarshal transaction data", "error", err)
-			return nil, 0, false, err
-		}
-		pagedTxs = append(pagedTxs, &tx)
-	}
-	return pagedTxs, uint64(total), true, nil
-}
-
-func (h *HistoryLogic) cacheTxsInfo(ctx context.Context, cacheKey string, txs []*types.TxHistoryInfo) error {
-	_, err := h.redis.TxPipelined(ctx, func(pipe redis.Pipeliner) error {
-		// The transactions are sorted, thus we set the score as their indices.
-		for i, tx := range txs {
-			if err := pipe.ZAdd(ctx, cacheKey, &redis.Z{Score: float64(i), Member: tx}).Err(); err != nil {
-				log.Error("failed to add transaction to sorted set", "error", err)
-				return err
-			}
-		}
-		if err := pipe.Expire(ctx, cacheKey, cacheKeyExpiredTime).Err(); err != nil {
-			log.Error("failed to set expiry time", "error", err)
-			return err
-		}
-		return nil
-	})
-
-	if err != nil {
-		log.Error("failed to execute transaction", "error", err)
-		return err
-	}
-	return nil
-}
-
-func (h *HistoryLogic) processAndCacheTxHistoryInfo(ctx context.Context, cacheKey string, messages []*orm.CrossMessage, page, pageSize uint64) ([]*types.TxHistoryInfo, uint64, error) {
-	var txHistories []*types.TxHistoryInfo
-	for _, message := range messages {
-		txHistories = append(txHistories, getTxHistoryInfo(message))
-	}
-
-	err := h.cacheTxsInfo(ctx, cacheKey, txHistories)
-	if err != nil {
-		log.Error("failed to cache txs info", "key", cacheKey, "err", err)
-		return nil, 0, err
-	}
-
-	pagedTxs, total, isHit, err := h.getCachedTxsInfo(ctx, cacheKey, page, pageSize)
-	if err != nil {
-		log.Error("failed to get cached tx info", "cached key", cacheKey, "page", page, "page size", pageSize, "error", err)
-		return nil, 0, err
-	}
-
-	if !isHit {
-		log.Error("cache miss after write, expect hit", "cached key", cacheKey, "page", page, "page size", pageSize, "error", err)
-		return nil, 0, err
-	}
-	return pagedTxs, total, nil
-}

bridge-history-api/internal/logic/history_logic_metrics.go

@@ -1,40 +0,0 @@
-package logic
-
-import (
-	"sync"
-
-	"github.com/prometheus/client_golang/prometheus"
-	"github.com/prometheus/client_golang/prometheus/promauto"
-)
-
-type cacheMetrics struct {
-	cacheHits   *prometheus.CounterVec
-	cacheMisses *prometheus.CounterVec
-}
-
-var (
-	initMetricsOnce sync.Once
-	cm              *cacheMetrics
-)
-
-func initCacheMetrics() *cacheMetrics {
-	initMetricsOnce.Do(func() {
-		cm = &cacheMetrics{
-			cacheHits: promauto.NewCounterVec(
-				prometheus.CounterOpts{
-					Name: "bridge_history_api_cache_hits_total",
-					Help: "The total number of cache hits",
-				},
-				[]string{"api"},
-			),
-			cacheMisses: promauto.NewCounterVec(
-				prometheus.CounterOpts{
-					Name: "bridge_history_api_cache_misses_total",
-					Help: "The total number of cache misses",
-				},
-				[]string{"api"},
-			),
-		}
-	})
-	return cm
-}

bridge-history-api/internal/logic/watcher_event_parser.go

@@ -1,476 +0,0 @@
-package logic
-
-import (
-	"context"
-	"math/big"
-	"strings"
-
-	"github.com/scroll-tech/go-ethereum/common/hexutil"
-	"github.com/scroll-tech/go-ethereum/core/types"
-	"github.com/scroll-tech/go-ethereum/ethclient"
-	"github.com/scroll-tech/go-ethereum/log"
-
-	backendabi "scroll-tech/bridge-history-api/abi"
-	"scroll-tech/bridge-history-api/internal/orm"
-	"scroll-tech/bridge-history-api/internal/utils"
-)
-
-// ParseL1CrossChainEventLogs parses L1 watched cross chain events.
-func ParseL1CrossChainEventLogs(ctx context.Context, logs []types.Log, blockTimestampsMap map[uint64]uint64, client *ethclient.Client) ([]*orm.CrossMessage, []*orm.CrossMessage, error) {
-	var l1DepositMessages []*orm.CrossMessage
-	var l1RelayedMessages []*orm.CrossMessage
-	for _, vlog := range logs {
-		switch vlog.Topics[0] {
-		case backendabi.L1DepositETHSig:
-			event := backendabi.ETHMessageEvent{}
-			if err := utils.UnpackLog(backendabi.IL1ETHGatewayABI, &event, "DepositETH", vlog); err != nil {
-				log.Warn("Failed to unpack DepositETH event", "err", err)
-				return nil, nil, err
-			}
-			lastMessage := l1DepositMessages[len(l1DepositMessages)-1]
-			lastMessage.L1BlockNumber = vlog.BlockNumber
-			lastMessage.Sender = event.From.String()
-			lastMessage.Receiver = event.To.String()
-			lastMessage.TokenType = int(orm.TokenTypeETH)
-			lastMessage.L1TxHash = vlog.TxHash.String()
-			lastMessage.TokenAmounts = event.Amount.String()
-			lastMessage.MessageType = int(orm.MessageTypeL1SentMessage)
-			lastMessage.TxStatus = int(orm.TxStatusTypeSent)
-			lastMessage.BlockTimestamp = blockTimestampsMap[vlog.BlockNumber]
-		case backendabi.L1DepositERC20Sig:
-			event := backendabi.ERC20MessageEvent{}
-			err := utils.UnpackLog(backendabi.IL1ERC20GatewayABI, &event, "DepositERC20", vlog)
-			if err != nil {
-				log.Warn("Failed to unpack DepositERC20 event", "err", err)
-				return nil, nil, err
-			}
-			lastMessage := l1DepositMessages[len(l1DepositMessages)-1]
-			lastMessage.L1BlockNumber = vlog.BlockNumber
-			lastMessage.Sender = event.From.String()
-			lastMessage.Receiver = event.To.String()
-			lastMessage.TokenType = int(orm.TokenTypeERC20)
-			lastMessage.L1TxHash = vlog.TxHash.String()
-			lastMessage.L1TokenAddress = event.L1Token.String()
-			lastMessage.L2TokenAddress = event.L2Token.String()
-			lastMessage.TokenAmounts = event.Amount.String()
-			lastMessage.MessageType = int(orm.MessageTypeL1SentMessage)
-			lastMessage.TxStatus = int(orm.TxStatusTypeSent)
-			lastMessage.BlockTimestamp = blockTimestampsMap[vlog.BlockNumber]
-		case backendabi.L1DepositERC721Sig:
-			event := backendabi.ERC721MessageEvent{}
-			if err := utils.UnpackLog(backendabi.IL1ERC721GatewayABI, &event, "DepositERC721", vlog); err != nil {
-				log.Warn("Failed to unpack DepositERC721 event", "err", err)
-				return nil, nil, err
-			}
-			lastMessage := l1DepositMessages[len(l1DepositMessages)-1]
-			lastMessage.L1BlockNumber = vlog.BlockNumber
-			lastMessage.Sender = event.From.String()
-			lastMessage.Receiver = event.To.String()
-			lastMessage.TokenType = int(orm.TokenTypeERC721)
-			lastMessage.L1TxHash = vlog.TxHash.String()
-			lastMessage.L1TokenAddress = event.L1Token.String()
-			lastMessage.L2TokenAddress = event.L2Token.String()
-			lastMessage.TokenIDs = event.TokenID.String()
-			lastMessage.MessageType = int(orm.MessageTypeL1SentMessage)
-			lastMessage.TxStatus = int(orm.TxStatusTypeSent)
-			lastMessage.BlockTimestamp = blockTimestampsMap[vlog.BlockNumber]
-		case backendabi.L1BatchDepositERC721Sig:
-			event := backendabi.BatchERC721MessageEvent{}
-			if err := utils.UnpackLog(backendabi.IL1ERC721GatewayABI, &event, "BatchDepositERC721", vlog); err != nil {
-				log.Warn("Failed to unpack BatchDepositERC721 event", "err", err)
-				return nil, nil, err
-			}
-			lastMessage := l1DepositMessages[len(l1DepositMessages)-1]
-			lastMessage.L1BlockNumber = vlog.BlockNumber
-			lastMessage.Sender = event.From.String()
-			lastMessage.Receiver = event.To.String()
-			lastMessage.TokenType = int(orm.TokenTypeERC721)
-			lastMessage.L1TxHash = vlog.TxHash.String()
-			lastMessage.L1TokenAddress = event.L1Token.String()
-			lastMessage.L2TokenAddress = event.L2Token.String()
-			lastMessage.TokenIDs = convertBigIntArrayToString(event.TokenIDs)
-			lastMessage.MessageType = int(orm.MessageTypeL1SentMessage)
-			lastMessage.TxStatus = int(orm.TxStatusTypeSent)
-			lastMessage.BlockTimestamp = blockTimestampsMap[vlog.BlockNumber]
-		case backendabi.L1DepositERC1155Sig:
-			event := backendabi.ERC1155MessageEvent{}
-			if err := utils.UnpackLog(backendabi.IL1ERC1155GatewayABI, &event, "DepositERC1155", vlog); err != nil {
-				log.Warn("Failed to unpack DepositERC1155 event", "err", err)
-				return nil, nil, err
-			}
-			lastMessage := l1DepositMessages[len(l1DepositMessages)-1]
-			lastMessage.L1BlockNumber = vlog.BlockNumber
-			lastMessage.Sender = event.From.String()
-			lastMessage.Receiver = event.To.String()
-			lastMessage.TokenType = int(orm.TokenTypeERC1155)
-			lastMessage.L1TxHash = vlog.TxHash.String()
-			lastMessage.L1TokenAddress = event.L1Token.String()
-			lastMessage.L2TokenAddress = event.L2Token.String()
-			lastMessage.TokenIDs = event.TokenID.String()
-			lastMessage.TokenAmounts = event.Amount.String()
-			lastMessage.MessageType = int(orm.MessageTypeL1SentMessage)
-			lastMessage.TxStatus = int(orm.TxStatusTypeSent)
-			lastMessage.BlockTimestamp = blockTimestampsMap[vlog.BlockNumber]
-		case backendabi.L1BatchDepositERC1155Sig:
-			event := backendabi.BatchERC1155MessageEvent{}
-			if err := utils.UnpackLog(backendabi.IL1ERC1155GatewayABI, &event, "BatchDepositERC1155", vlog); err != nil {
-				log.Warn("Failed to unpack BatchDepositERC1155 event", "err", err)
-				return nil, nil, err
-			}
-			lastMessage := l1DepositMessages[len(l1DepositMessages)-1]
-			lastMessage.L1BlockNumber = vlog.BlockNumber
-			lastMessage.Sender = event.From.String()
-			lastMessage.Receiver = event.To.String()
-			lastMessage.TokenType = int(orm.TokenTypeERC1155)
-			lastMessage.L1TxHash = vlog.TxHash.String()
-			lastMessage.L1TokenAddress = event.L1Token.String()
-			lastMessage.L2TokenAddress = event.L2Token.String()
-			lastMessage.TokenIDs = convertBigIntArrayToString(event.TokenIDs)
-			lastMessage.TokenAmounts = convertBigIntArrayToString(event.TokenAmounts)
-			lastMessage.MessageType = int(orm.MessageTypeL1SentMessage)
-			lastMessage.TxStatus = int(orm.TxStatusTypeSent)
-			lastMessage.BlockTimestamp = blockTimestampsMap[vlog.BlockNumber]
-		case backendabi.L1SentMessageEventSig:
-			event := backendabi.L1SentMessageEvent{}
-			if err := utils.UnpackLog(backendabi.IL1ScrollMessengerABI, &event, "SentMessage", vlog); err != nil {
-				log.Warn("Failed to unpack SentMessage event", "err", err)
-				return nil, nil, err
-			}
-			// Use this messageHash as next deposit event's messageHash
-			messageHash := utils.ComputeMessageHash(event.Sender, event.Target, event.Value, event.MessageNonce, event.Message).String()
-			l1DepositMessages = append(l1DepositMessages, &orm.CrossMessage{
-				L1BlockNumber: vlog.BlockNumber,
-				Sender:        event.Sender.String(),
-				Receiver:      event.Target.String(),
-				TokenType:     int(orm.TokenTypeETH),
-				L1TxHash:      vlog.TxHash.String(),
-				TokenAmounts:  event.Value.String(),
-				MessageNonce:  event.MessageNonce.Uint64(),
-				MessageType:   int(orm.MessageTypeL1SentMessage),
-				MessageHash:   messageHash,
-			})
-		case backendabi.L1RelayedMessageEventSig:
-			event := backendabi.L1RelayedMessageEvent{}
-			if err := utils.UnpackLog(backendabi.IL1ScrollMessengerABI, &event, "RelayedMessage", vlog); err != nil {
-				log.Warn("Failed to unpack RelayedMessage event", "err", err)
-				return nil, nil, err
-			}
-			l1RelayedMessages = append(l1RelayedMessages, &orm.CrossMessage{
-				MessageHash:   event.MessageHash.String(),
-				L1BlockNumber: vlog.BlockNumber,
-				L1TxHash:      vlog.TxHash.String(),
-				TxStatus:      int(orm.TxStatusTypeRelayed),
-			})
-		case backendabi.L1FailedRelayedMessageEventSig:
-			event := backendabi.L1FailedRelayedMessageEvent{}
-			if err := utils.UnpackLog(backendabi.IL1ScrollMessengerABI, &event, "FailedRelayedMessage", vlog); err != nil {
-				log.Warn("Failed to unpack FailedRelayedMessage event", "err", err)
-				return nil, nil, err
-			}
-			l1RelayedMessages = append(l1RelayedMessages, &orm.CrossMessage{
-				MessageHash:   event.MessageHash.String(),
-				L1BlockNumber: vlog.BlockNumber,
-				L1TxHash:      vlog.TxHash.String(),
-				TxStatus:      int(orm.TxStatusTypeRelayedFailed),
-			})
-		}
-	}
-	return l1DepositMessages, l1RelayedMessages, nil
-}
-
-// ParseL1BatchEventLogs parses L1 watched batch events.
-func ParseL1BatchEventLogs(ctx context.Context, logs []types.Log, blockTimestampsMap map[uint64]uint64, client *ethclient.Client) ([]*orm.BatchEvent, error) {
-	var l1BatchEvents []*orm.BatchEvent
-	for _, vlog := range logs {
-		switch vlog.Topics[0] {
-		case backendabi.L1CommitBatchEventSig:
-			event := backendabi.L1CommitBatchEvent{}
-			if err := utils.UnpackLog(backendabi.IScrollChainABI, &event, "CommitBatch", vlog); err != nil {
-				log.Warn("Failed to unpack CommitBatch event", "err", err)
-				return nil, err
-			}
-			commitTx, isPending, err := client.TransactionByHash(ctx, vlog.TxHash)
-			if err != nil || isPending {
-				log.Warn("Failed to get commit Batch tx receipt or the tx is still pending", "err", err)
-				return nil, err
-			}
-			startBlock, endBlock, err := utils.GetBatchRangeFromCalldata(commitTx.Data())
-			if err != nil {
-				log.Warn("Failed to get batch range from calldata", "hash", commitTx.Hash().String(), "height", vlog.BlockNumber)
-				return nil, err
-			}
-			l1BatchEvents = append(l1BatchEvents, &orm.BatchEvent{
-				BatchStatus:      int(orm.BatchStatusTypeCommitted),
-				BatchIndex:       event.BatchIndex.Uint64(),
-				BatchHash:        event.BatchHash.String(),
-				StartBlockNumber: startBlock,
-				EndBlockNumber:   endBlock,
-			})
-		case backendabi.L1RevertBatchEventSig:
-			event := backendabi.L1RevertBatchEvent{}
-			if err := utils.UnpackLog(backendabi.IScrollChainABI, &event, "RevertBatch", vlog); err != nil {
-				log.Warn("Failed to unpack RevertBatch event", "err", err)
-				return nil, err
-			}
-			l1BatchEvents = append(l1BatchEvents, &orm.BatchEvent{
-				BatchStatus: int(orm.BatchStatusTypeReverted),
-				BatchIndex:  event.BatchIndex.Uint64(),
-				BatchHash:   event.BatchHash.String(),
-			})
-		case backendabi.L1FinalizeBatchEventSig:
-			event := backendabi.L1FinalizeBatchEvent{}
-			if err := utils.UnpackLog(backendabi.IScrollChainABI, &event, "FinalizeBatch", vlog); err != nil {
-				log.Warn("Failed to unpack FinalizeBatch event", "err", err)
-				return nil, err
-			}
-			l1BatchEvents = append(l1BatchEvents, &orm.BatchEvent{
-				BatchStatus: int(orm.BatchStatusTypeFinalized),
-				BatchIndex:  event.BatchIndex.Uint64(),
-				BatchHash:   event.BatchHash.String(),
-			})
-		}
-	}
-	return l1BatchEvents, nil
-}
-
-// ParseL1MessageQueueEventLogs parses L1 watched message queue events.
-func ParseL1MessageQueueEventLogs(ctx context.Context, logs []types.Log, blockTimestampsMap map[uint64]uint64, client *ethclient.Client) ([]*orm.MessageQueueEvent, error) {
-	var l1MessageQueueEvents []*orm.MessageQueueEvent
-	for _, vlog := range logs {
-		switch vlog.Topics[0] {
-		case backendabi.L1QueueTransactionEventSig:
-			event := backendabi.L1QueueTransactionEvent{}
-			if err := utils.UnpackLog(backendabi.IL1MessageQueueABI, &event, "QueueTransaction", vlog); err != nil {
-				log.Warn("Failed to unpack QueueTransaction event", "err", err)
-				return nil, err
-			}
-			// 1. Update queue index of both sent message and replay message.
-			// 2. Update tx hash of replay message.
-			l1MessageQueueEvents = append(l1MessageQueueEvents, &orm.MessageQueueEvent{
-				EventType:  orm.MessageQueueEventTypeQueueTransaction,
-				QueueIndex: event.QueueIndex,
-				TxHash:     vlog.TxHash,
-			})
-		case backendabi.L1DequeueTransactionEventSig:
-			event := backendabi.L1DequeueTransactionEvent{}
-			if err := utils.UnpackLog(backendabi.IL1MessageQueueABI, &event, "DequeueTransaction", vlog); err != nil {
-				log.Warn("Failed to unpack DequeueTransaction event", "err", err)
-				return nil, err
-			}
-			skippedIndices := getSkippedQueueIndices(event.StartIndex.Uint64(), event.SkippedBitmap)
-			for _, index := range skippedIndices {
-				l1MessageQueueEvents = append(l1MessageQueueEvents, &orm.MessageQueueEvent{
-					EventType:  orm.MessageQueueEventTypeDequeueTransaction,
-					QueueIndex: index,
-				})
-			}
-		case backendabi.L1DropTransactionEventSig:
-			event := backendabi.L1DropTransactionEvent{}
-			if err := utils.UnpackLog(backendabi.IL1MessageQueueABI, &event, "DropTransaction", vlog); err != nil {
-				log.Warn("Failed to unpack DropTransaction event", "err", err)
-				return nil, err
-			}
-			l1MessageQueueEvents = append(l1MessageQueueEvents, &orm.MessageQueueEvent{
-				EventType:  orm.MessageQueueEventTypeDropTransaction,
-				QueueIndex: event.Index.Uint64(),
-			})
-		}
-	}
-	return l1MessageQueueEvents, nil
-}
-
-// ParseL2EventLogs parses L2 watched events
-func ParseL2EventLogs(logs []types.Log, blockTimestampsMap map[uint64]uint64) ([]*orm.CrossMessage, []*orm.CrossMessage, error) {
-	var l2WithdrawMessages []*orm.CrossMessage
-	var l2RelayedMessages []*orm.CrossMessage
-	for _, vlog := range logs {
-		switch vlog.Topics[0] {
-		case backendabi.L2WithdrawETHSig:
-			event := backendabi.ETHMessageEvent{}
-			err := utils.UnpackLog(backendabi.IL2ETHGatewayABI, &event, "WithdrawETH", vlog)
-			if err != nil {
-				log.Warn("Failed to unpack WithdrawETH event", "err", err)
-				return nil, nil, err
-			}
-			lastMessage := l2WithdrawMessages[len(l2WithdrawMessages)-1]
-			lastMessage.L2BlockNumber = vlog.BlockNumber
-			lastMessage.Sender = event.From.String()
-			lastMessage.Receiver = event.To.String()
-			lastMessage.TokenType = int(orm.TokenTypeETH)
-			lastMessage.L2TxHash = vlog.TxHash.String()
-			lastMessage.TokenAmounts = event.Amount.String()
-			lastMessage.MessageType = int(orm.MessageTypeL2SentMessage)
-			lastMessage.TxStatus = int(orm.TxStatusTypeSent)
-			lastMessage.BlockTimestamp = blockTimestampsMap[vlog.BlockNumber]
-		case backendabi.L2WithdrawERC20Sig:
-			event := backendabi.ERC20MessageEvent{}
-			err := utils.UnpackLog(backendabi.IL2ERC20GatewayABI, &event, "WithdrawERC20", vlog)
-			if err != nil {
-				log.Warn("Failed to unpack WithdrawERC20 event", "err", err)
-				return nil, nil, err
-			}
-			lastMessage := l2WithdrawMessages[len(l2WithdrawMessages)-1]
-			lastMessage.L2BlockNumber = vlog.BlockNumber
-			lastMessage.Sender = event.From.String()
-			lastMessage.Receiver = event.To.String()
-			lastMessage.TokenType = int(orm.TokenTypeERC20)
-			lastMessage.L2TxHash = vlog.TxHash.String()
-			lastMessage.L1TokenAddress = event.L1Token.String()
-			lastMessage.L2TokenAddress = event.L2Token.String()
-			lastMessage.TokenAmounts = event.Amount.String()
-			lastMessage.MessageType = int(orm.MessageTypeL2SentMessage)
-			lastMessage.TxStatus = int(orm.TxStatusTypeSent)
-			lastMessage.BlockTimestamp = blockTimestampsMap[vlog.BlockNumber]
-		case backendabi.L2WithdrawERC721Sig:
-			event := backendabi.ERC721MessageEvent{}
-			err := utils.UnpackLog(backendabi.IL2ERC721GatewayABI, &event, "WithdrawERC721", vlog)
-			if err != nil {
-				log.Warn("Failed to unpack WithdrawERC721 event", "err", err)
-				return nil, nil, err
-			}
-			lastMessage := l2WithdrawMessages[len(l2WithdrawMessages)-1]
-			lastMessage.L2BlockNumber = vlog.BlockNumber
-			lastMessage.Sender = event.From.String()
-			lastMessage.Receiver = event.To.String()
-			lastMessage.TokenType = int(orm.TokenTypeERC721)
-			lastMessage.L2TxHash = vlog.TxHash.String()
-			lastMessage.L1TokenAddress = event.L1Token.String()
-			lastMessage.L2TokenAddress = event.L2Token.String()
-			lastMessage.TokenIDs = event.TokenID.String()
-			lastMessage.MessageType = int(orm.MessageTypeL2SentMessage)
-			lastMessage.TxStatus = int(orm.TxStatusTypeSent)
-			lastMessage.BlockTimestamp = blockTimestampsMap[vlog.BlockNumber]
-		case backendabi.L2BatchWithdrawERC721Sig:
-			event := backendabi.BatchERC721MessageEvent{}
-			err := utils.UnpackLog(backendabi.IL2ERC721GatewayABI, &event, "BatchWithdrawERC721", vlog)
-			if err != nil {
-				log.Warn("Failed to unpack BatchWithdrawERC721 event", "err", err)
-				return nil, nil, err
-			}
-			lastMessage := l2WithdrawMessages[len(l2WithdrawMessages)-1]
-			lastMessage.L2BlockNumber = vlog.BlockNumber
-			lastMessage.Sender = event.From.String()
-			lastMessage.Receiver = event.To.String()
-			lastMessage.TokenType = int(orm.TokenTypeERC721)
-			lastMessage.L2TxHash = vlog.TxHash.String()
-			lastMessage.L1TokenAddress = event.L1Token.String()
-			lastMessage.L2TokenAddress = event.L2Token.String()
-			lastMessage.TokenIDs = convertBigIntArrayToString(event.TokenIDs)
-			lastMessage.MessageType = int(orm.MessageTypeL2SentMessage)
-			lastMessage.TxStatus = int(orm.TxStatusTypeSent)
-			lastMessage.BlockTimestamp = blockTimestampsMap[vlog.BlockNumber]
-		case backendabi.L2WithdrawERC1155Sig:
-			event := backendabi.ERC1155MessageEvent{}
-			err := utils.UnpackLog(backendabi.IL2ERC1155GatewayABI, &event, "WithdrawERC1155", vlog)
-			if err != nil {
-				log.Warn("Failed to unpack WithdrawERC1155 event", "err", err)
-				return nil, nil, err
-			}
-			lastMessage := l2WithdrawMessages[len(l2WithdrawMessages)-1]
-			lastMessage.L2BlockNumber = vlog.BlockNumber
-			lastMessage.Sender = event.From.String()
-			lastMessage.Receiver = event.To.String()
-			lastMessage.TokenType = int(orm.TokenTypeERC1155)
-			lastMessage.L2TxHash = vlog.TxHash.String()
-			lastMessage.L1TokenAddress = event.L1Token.String()
-			lastMessage.L2TokenAddress = event.L2Token.String()
-			lastMessage.TokenIDs = event.TokenID.String()
-			lastMessage.TokenAmounts = event.Amount.String()
-			lastMessage.MessageType = int(orm.MessageTypeL2SentMessage)
-			lastMessage.TxStatus = int(orm.TxStatusTypeSent)
-			lastMessage.BlockTimestamp = blockTimestampsMap[vlog.BlockNumber]
-		case backendabi.L2BatchWithdrawERC1155Sig:
-			event := backendabi.BatchERC1155MessageEvent{}
-			err := utils.UnpackLog(backendabi.IL2ERC1155GatewayABI, &event, "BatchWithdrawERC1155", vlog)
-			if err != nil {
-				log.Warn("Failed to unpack BatchWithdrawERC1155 event", "err", err)
-				return nil, nil, err
-			}
-			lastMessage := l2WithdrawMessages[len(l2WithdrawMessages)-1]
-			lastMessage.L2BlockNumber = vlog.BlockNumber
-			lastMessage.Sender = event.From.String()
-			lastMessage.Receiver = event.To.String()
-			lastMessage.TokenType = int(orm.TokenTypeERC1155)
-			lastMessage.L2TxHash = vlog.TxHash.String()
-			lastMessage.L1TokenAddress = event.L1Token.String()
-			lastMessage.L2TokenAddress = event.L2Token.String()
-			lastMessage.TokenIDs = convertBigIntArrayToString(event.TokenIDs)
-			lastMessage.TokenAmounts = convertBigIntArrayToString(event.TokenAmounts)
-			lastMessage.MessageType = int(orm.MessageTypeL2SentMessage)
-			lastMessage.TxStatus = int(orm.TxStatusTypeSent)
-			lastMessage.BlockTimestamp = blockTimestampsMap[vlog.BlockNumber]
-		case backendabi.L2SentMessageEventSig:
-			event := backendabi.L2SentMessageEvent{}
-			err := utils.UnpackLog(backendabi.IL2ScrollMessengerABI, &event, "SentMessage", vlog)
-			if err != nil {
-				log.Warn("Failed to unpack SentMessage event", "err", err)
-				return nil, nil, err
-			}
-			// Use this messageHash as next deposit event's messageHash
-			messageHash := utils.ComputeMessageHash(event.Sender, event.Target, event.Value, event.MessageNonce, event.Message)
-			l2WithdrawMessages = append(l2WithdrawMessages, &orm.CrossMessage{
-				MessageHash:  messageHash.String(),
-				Sender:       event.Sender.String(),
-				Receiver:     event.Target.String(),
-				TokenType:    int(orm.TokenTypeETH),
-				L2TxHash:     vlog.TxHash.String(),
-				TokenAmounts: event.Value.String(),
-				MessageFrom:  event.Sender.String(),
-				MessageTo:    event.Target.String(),
-				MessageValue: event.Value.String(),
-				MessageNonce: event.MessageNonce.Uint64(),
-				MessageData:  hexutil.Encode(event.Message),
-			})
-		case backendabi.L2RelayedMessageEventSig:
-			event := backendabi.L2RelayedMessageEvent{}
-			err := utils.UnpackLog(backendabi.IL2ScrollMessengerABI, &event, "RelayedMessage", vlog)
-			if err != nil {
-				log.Warn("Failed to unpack RelayedMessage event", "err", err)
-				return nil, nil, err
-			}
-			l2RelayedMessages = append(l2RelayedMessages, &orm.CrossMessage{
-				MessageHash:   event.MessageHash.String(),
-				L2BlockNumber: vlog.BlockNumber,
-				L2TxHash:      vlog.TxHash.String(),
-				TxStatus:      int(orm.TxStatusTypeRelayed),
-			})
-		case backendabi.L2FailedRelayedMessageEventSig:
-			event := backendabi.L2RelayedMessageEvent{}
-			err := utils.UnpackLog(backendabi.IL2ScrollMessengerABI, &event, "FailedRelayedMessage", vlog)
-			if err != nil {
-				log.Warn("Failed to unpack FailedRelayedMessage event", "err", err)
-				return nil, nil, err
-			}
-			l2RelayedMessages = append(l2RelayedMessages, &orm.CrossMessage{
-				MessageHash:   event.MessageHash.String(),
-				L2BlockNumber: vlog.BlockNumber,
-				L2TxHash:      vlog.TxHash.String(),
-				TxStatus:      int(orm.TxStatusTypeRelayedFailed),
-			})
-		}
-	}
-	return l2WithdrawMessages, l2RelayedMessages, nil
-}
-
-func convertBigIntArrayToString(array []*big.Int) string {
-	stringArray := make([]string, len(array))
-	for i, num := range array {
-		stringArray[i] = num.String()
-	}
-
-	result := strings.Join(stringArray, ", ")
-	return result
-}
-
-func getSkippedQueueIndices(startIndex uint64, skippedBitmap *big.Int) []uint64 {
-	var indices []uint64
-	for i := 0; i < 256; i++ {
-		index := startIndex + uint64(i)
-		bit := new(big.Int).Rsh(skippedBitmap, uint(i))
-		if bit.Bit(0) == 0 {
-			continue
-		}
-		indices = append(indices, index)
-	}
-	return indices
-}

bridge-history-api/internal/orm/batch_event.go

@@ -1,99 +0,0 @@
-package orm
-
-import (
-	"context"
-	"fmt"
-	"time"
-
-	"gorm.io/gorm"
-)
-
-// BatchStatusType represents the type of batch status.
-type BatchStatusType int
-
-// Constants for BatchStatusType.
-const (
-	BatchStatusTypeUnknown BatchStatusType = iota
-	BatchStatusTypeCommitted
-	BatchStatusTypeReverted
-	BatchStatusTypeFinalized
-)
-
-// BatchEvent represents a batch event.
-type BatchEvent struct {
-	db *gorm.DB `gorm:"column:-"`
-
-	ID               uint64     `json:"id" gorm:"column:id;primary_key"`
-	BatchStatus      int        `json:"batch_status" gorm:"column:batch_status"`
-	BatchIndex       uint64     `json:"batch_index" gorm:"column:batch_index"`
-	BatchHash        string     `json:"batch_hash" gorm:"column:batch_hash"`
-	StartBlockNumber uint64     `json:"start_block_number" gorm:"column:start_block_number"`
-	EndBlockNumber   uint64     `json:"end_block_number" gorm:"column:end_block_number"`
-	CreatedAt        time.Time  `json:"created_at" gorm:"column:created_at"`
-	UpdatedAt        time.Time  `json:"updated_at" gorm:"column:updated_at"`
-	DeletedAt        *time.Time `json:"deleted_at" gorm:"column:deleted_at"`
-}
-
-// TableName returns the table name for the BatchEvent model.
-func (*BatchEvent) TableName() string {
-	return "batch_event"
-}
-
-// NewBatchEvent returns a new instance of BatchEvent.
-func NewBatchEvent(db *gorm.DB) *BatchEvent {
-	return &BatchEvent{db: db}
-}
-
-// GetBatchesGEBlockHeight returns the batches with end block >= given block height in db.
-func (c *BatchEvent) GetBatchesGEBlockHeight(ctx context.Context, blockHeight uint64) ([]*BatchEvent, error) {
-	var batches []*BatchEvent
-	db := c.db.WithContext(ctx)
-	db = db.Model(&BatchEvent{})
-	db = db.Where("end_block_number >= ?", blockHeight)
-	db = db.Order("batch_index asc")
-	if err := db.Find(&batches).Error; err != nil {
-		if err == gorm.ErrRecordNotFound {
-			return nil, nil
-		}
-		return nil, fmt.Errorf("failed to get batches >= block height, error: %w", err)
-	}
-	return batches, nil
-}
-
-// InsertOrUpdateBatchEvents inserts a new batch event or updates an existing one based on the BatchStatusType.
-func (c *BatchEvent) InsertOrUpdateBatchEvents(ctx context.Context, l1BatchEvents []*BatchEvent, dbTX ...*gorm.DB) error {
-	for _, l1BatchEvent := range l1BatchEvents {
-		db := c.db
-		if len(dbTX) > 0 && dbTX[0] != nil {
-			db = dbTX[0]
-		}
-		db = db.WithContext(ctx)
-		db = db.Model(&BatchEvent{})
-		updateFields := make(map[string]interface{})
-		switch BatchStatusType(l1BatchEvent.BatchStatus) {
-		case BatchStatusTypeCommitted:
-			if err := db.Create(l1BatchEvent).Error; err != nil {
-				return fmt.Errorf("failed to insert batch event, batch: %+v, error: %w", l1BatchEvent, err)
-			}
-		case BatchStatusTypeFinalized:
-			db = db.Where("batch_index = ?", l1BatchEvent.BatchIndex)
-			db = db.Where("batch_hash = ?", l1BatchEvent.BatchHash)
-			updateFields["batch_status"] = BatchStatusTypeFinalized
-			if err := db.Updates(updateFields).Error; err != nil {
-				return fmt.Errorf("failed to update batch event, batch: %+v, error: %w", l1BatchEvent, err)
-			}
-		case BatchStatusTypeReverted:
-			db = db.Where("batch_index = ?", l1BatchEvent.BatchIndex)
-			db = db.Where("batch_hash = ?", l1BatchEvent.BatchHash)
-			updateFields["batch_status"] = BatchStatusTypeReverted
-			if err := db.Updates(updateFields).Error; err != nil {
-				return fmt.Errorf("failed to update batch event, batch: %+v, error: %w", l1BatchEvent, err)
-			}
-			// Soft delete the batch event
-			if err := db.Delete(l1BatchEvent).Error; err != nil {
-				return fmt.Errorf("failed to soft delete batch event, batch: %+v, error: %w", l1BatchEvent, err)
-			}
-		}
-	}
-	return nil
-}

bridge-history-api/internal/orm/cross_message.go

@@ -1,386 +0,0 @@
-package orm
-
-import (
-	"context"
-	"fmt"
-	"time"
-
-	"github.com/google/uuid"
-	"github.com/scroll-tech/go-ethereum/common"
-	"gorm.io/gorm"
-	"gorm.io/gorm/clause"
-)
-
-// TokenType represents the type of token.
-type TokenType int
-
-// Constants for TokenType.
-const (
-	TokenTypeUnknown TokenType = iota
-	TokenTypeETH
-	TokenTypeERC20
-	TokenTypeERC721
-	TokenTypeERC1155
-)
-
-// MessageType represents the type of message.
-type MessageType int
-
-// Constants for MessageType.
-const (
-	MessageTypeUnknown MessageType = iota
-	MessageTypeL1SentMessage
-	MessageTypeL2SentMessage
-)
-
-// TxStatusType represents the status of a transaction.
-type TxStatusType int
-
-// Constants for TxStatusType.
-const (
-	TxStatusTypeUnknown TxStatusType = iota
-	TxStatusTypeSent
-	TxStatusTypeSentFailed
-	TxStatusTypeRelayed
-	TxStatusTypeRelayedFailed
-	TxStatusTypeSkipped
-	TxStatusTypeDropped
-)
-
-// RollupStatusType represents the status of a rollup.
-type RollupStatusType int
-
-// Constants for RollupStatusType.
-const (
-	RollupStatusTypeUnknown   RollupStatusType = iota
-	RollupStatusTypeFinalized                  // only batch finalized status is used.
-)
-
-// MessageQueueEventType represents the type of message queue event.
-type MessageQueueEventType int
-
-// Constants for MessageQueueEventType.
-const (
-	MessageQueueEventTypeUnknown MessageQueueEventType = iota
-	MessageQueueEventTypeQueueTransaction
-	MessageQueueEventTypeDequeueTransaction
-	MessageQueueEventTypeDropTransaction
-)
-
-// MessageQueueEvent struct represents the details of a batch event.
-type MessageQueueEvent struct {
-	EventType  MessageQueueEventType
-	QueueIndex uint64
-	TxHash     common.Hash
-}
-
-// CrossMessage represents a cross message.
-type CrossMessage struct {
-	db *gorm.DB `gorm:"column:-"`
-
-	ID             uint64     `json:"id" gorm:"column:id;primary_key"`
-	MessageType    int        `json:"message_type" gorm:"column:message_type"`
-	RollupStatus   int        `json:"rollup_status" gorm:"column:rollup_status"`
-	TxStatus       int        `json:"tx_status" gorm:"column:tx_status"`
-	TokenType      int        `json:"token_type" gorm:"column:token_type"`
-	Sender         string     `json:"sender" gorm:"column:sender"`
-	Receiver       string     `json:"receiver" gorm:"column:receiver"`
-	MessageHash    string     `json:"message_hash" gorm:"column:message_hash"`
-	L1TxHash       string     `json:"l1_tx_hash" gorm:"column:l1_tx_hash"`
-	L2TxHash       string     `json:"l2_tx_hash" gorm:"column:l2_tx_hash"`
-	L1BlockNumber  uint64     `json:"l1_block_number" gorm:"column:l1_block_number"`
-	L2BlockNumber  uint64     `json:"l2_block_number" gorm:"column:l2_block_number"`
-	L1TokenAddress string     `json:"l1_token_address" gorm:"column:l1_token_address"`
-	L2TokenAddress string     `json:"l2_token_address" gorm:"column:l2_token_address"`
-	TokenIDs       string     `json:"token_ids" gorm:"column:token_ids"`
-	TokenAmounts   string     `json:"token_amounts" gorm:"column:token_amounts"`
-	BlockTimestamp uint64     `json:"block_timestamp" gorm:"column:block_timestamp"`
-	MessageFrom    string     `json:"message_from" gorm:"column:message_from"`
-	MessageTo      string     `json:"message_to" gorm:"column:message_to"`
-	MessageValue   string     `json:"message_value" gorm:"column:message_value"`
-	MessageNonce   uint64     `json:"message_nonce" gorm:"column:message_nonce"`
-	MessageData    string     `json:"message_data" gorm:"column:message_data"`
-	MerkleProof    []byte     `json:"merkle_proof" gorm:"column:merkle_proof"`
-	BatchIndex     uint64     `json:"batch_index" gorm:"column:batch_index"`
-	CreatedAt      time.Time  `json:"created_at" gorm:"column:created_at"`
-	UpdatedAt      time.Time  `json:"updated_at" gorm:"column:updated_at"`
-	DeletedAt      *time.Time `json:"deleted_at" gorm:"column:deleted_at"`
-}
-
-// TableName returns the table name for the CrossMessage model.
-func (*CrossMessage) TableName() string {
-	return "cross_message"
-}
-
-// NewCrossMessage returns a new instance of CrossMessage.
-func NewCrossMessage(db *gorm.DB) *CrossMessage {
-	return &CrossMessage{db: db}
-}
-
-// GetMessageProcessedHeightInDB returns the latest processed cross message height from the database for a given message type.
-func (c *CrossMessage) GetMessageProcessedHeightInDB(ctx context.Context, messageType MessageType) (uint64, error) {
-	var message CrossMessage
-	db := c.db.WithContext(ctx)
-	db = db.Model(&CrossMessage{})
-	db = db.Where("message_type = ?", messageType)
-	switch {
-	case messageType == MessageTypeL1SentMessage:
-		db = db.Order("l1_block_number desc")
-	case messageType == MessageTypeL2SentMessage:
-		db = db.Order("l2_block_number desc")
-	}
-	if err := db.First(&message).Error; err != nil {
-		if err == gorm.ErrRecordNotFound {
-			return 0, nil
-		}
-		return 0, fmt.Errorf("failed to get latest processed height, type: %v, error: %w", messageType, err)
-	}
-	switch {
-	case messageType == MessageTypeL1SentMessage:
-		return message.L1BlockNumber, nil
-	case messageType == MessageTypeL2SentMessage:
-		return message.L2BlockNumber, nil
-	default:
-		return 0, fmt.Errorf("invalid message type: %v", messageType)
-	}
-}
-
-// GetLatestL2Withdrawal returns the latest processed L2 withdrawal from the database.
-func (c *CrossMessage) GetLatestL2Withdrawal(ctx context.Context) (*CrossMessage, error) {
-	var message CrossMessage
-	db := c.db.WithContext(ctx)
-	db = db.Model(&CrossMessage{})
-	db = db.Where("message_type = ?", MessageTypeL2SentMessage)
-	db = db.Where("tx_status != ?", TxStatusTypeSentFailed)
-	db = db.Order("message_nonce desc")
-	if err := db.First(&message).Error; err != nil {
-		if err == gorm.ErrRecordNotFound {
-			return nil, nil
-		}
-		return nil, fmt.Errorf("failed to get latest L2 sent message event, error: %w", err)
-	}
-	return &message, nil
-}
-
-// GetLatestFinalizedL2WithdrawalBlockHeight returns the latest finalized L2 sent message block height from the database.
-func (c *CrossMessage) GetLatestFinalizedL2WithdrawalBlockHeight(ctx context.Context) (uint64, error) {
-	var message CrossMessage
-	db := c.db.WithContext(ctx)
-	db = db.Model(&CrossMessage{})
-	db = db.Where("message_type = ?", MessageTypeL2SentMessage)
-	db = db.Where("rollup_status", RollupStatusTypeFinalized)
-	db = db.Where("tx_status != ?", TxStatusTypeSentFailed)
-	db = db.Order("message_nonce desc")
-	if err := db.First(&message).Error; err != nil {
-		if err == gorm.ErrRecordNotFound {
-			return 0, nil
-		}
-		return 0, fmt.Errorf("failed to get latest L2 sent message event, error: %w", err)
-	}
-	return message.L2BlockNumber, nil
-}
-
-// GetMessagesByTxHashes retrieves all cross messages from the database that match the provided transaction hashes.
-func (c *CrossMessage) GetMessagesByTxHashes(ctx context.Context, txHashes []string) ([]*CrossMessage, error) {
-	var messages []*CrossMessage
-	db := c.db.WithContext(ctx)
-	db = db.Model(&CrossMessage{})
-	db = db.Where("l1_tx_hash IN (?) OR l2_tx_hash IN (?)", txHashes, txHashes)
-	if err := db.Find(&messages).Error; err != nil {
-		return nil, fmt.Errorf("failed to get L2 messages by tx hashes, tx hashes: %v, error: %w", txHashes, err)
-	}
-	return messages, nil
-}
-
-// GetL2ClaimableWithdrawalsByAddress retrieves all L2 claimable withdrawal messages for a given sender address.
-func (c *CrossMessage) GetL2ClaimableWithdrawalsByAddress(ctx context.Context, sender string) ([]*CrossMessage, error) {
-	var messages []*CrossMessage
-	db := c.db.WithContext(ctx)
-	db = db.Model(&CrossMessage{})
-	db = db.Where("message_type = ?", MessageTypeL2SentMessage)
-	db = db.Where("tx_status = ?", TxStatusTypeSent)
-	db = db.Where("rollup_status = ?", RollupStatusTypeFinalized)
-	db = db.Where("sender = ?", sender)
-	db = db.Order("block_timestamp DESC")
-	db = db.Limit(500)
-	if err := db.Find(&messages).Error; err != nil {
-		return nil, fmt.Errorf("failed to get L2 claimable withdrawal messages by sender address, sender: %v, error: %w", sender, err)
-	}
-	return messages, nil
-}
-
-// GetL2WithdrawalsByAddress retrieves all L2 claimable withdrawal messages for a given sender address.
-func (c *CrossMessage) GetL2WithdrawalsByAddress(ctx context.Context, sender string) ([]*CrossMessage, error) {
-	var messages []*CrossMessage
-	db := c.db.WithContext(ctx)
-	db = db.Model(&CrossMessage{})
-	db = db.Where("message_type = ?", MessageTypeL2SentMessage)
-	db = db.Where("sender = ?", sender)
-	db = db.Order("block_timestamp DESC")
-	db = db.Limit(500)
-	if err := db.Find(&messages).Error; err != nil {
-		return nil, fmt.Errorf("failed to get L2 withdrawal messages by sender address, sender: %v, error: %w", sender, err)
-	}
-	return messages, nil
-}
-
-// GetTxsByAddress retrieves all txs for a given sender address.
-func (c *CrossMessage) GetTxsByAddress(ctx context.Context, sender string) ([]*CrossMessage, error) {
-	var messages []*CrossMessage
-	db := c.db.WithContext(ctx)
-	db = db.Model(&CrossMessage{})
-	db = db.Where("sender = ?", sender)
-	db = db.Order("block_timestamp DESC")
-	db = db.Limit(500)
-	if err := db.Find(&messages).Error; err != nil {
-		return nil, fmt.Errorf("failed to get all txs by sender address, sender: %v, error: %w", sender, err)
-	}
-	return messages, nil
-}
-
-// UpdateL1MessageQueueEventsInfo updates the information about L1 message queue events in the database.
-func (c *CrossMessage) UpdateL1MessageQueueEventsInfo(ctx context.Context, l1MessageQueueEvents []*MessageQueueEvent, dbTX ...*gorm.DB) error {
-	for _, l1MessageQueueEvent := range l1MessageQueueEvents {
-		db := c.db
-		if len(dbTX) > 0 && dbTX[0] != nil {
-			db = dbTX[0]
-		}
-		db = db.WithContext(ctx)
-		db = db.Model(&CrossMessage{})
-		db = db.Where("message_type = ?", MessageTypeL1SentMessage)
-		db = db.Where("message_nonce = ?", l1MessageQueueEvent.QueueIndex)
-		updateFields := make(map[string]interface{})
-		switch l1MessageQueueEvent.EventType {
-		case MessageQueueEventTypeQueueTransaction:
-			// Update l1_tx_hash if the user calls replayMessage.
-			updateFields["l1_tx_hash"] = l1MessageQueueEvent.TxHash.String()
-		case MessageQueueEventTypeDequeueTransaction:
-			updateFields["tx_status"] = TxStatusTypeSkipped
-		case MessageQueueEventTypeDropTransaction:
-			updateFields["tx_status"] = TxStatusTypeDropped
-		}
-		if err := db.Updates(updateFields).Error; err != nil {
-			return fmt.Errorf("failed to update L1 message queue events info, event: %+v, error: %w", l1MessageQueueEvent, err)
-		}
-	}
-	return nil
-}
-
-// UpdateBatchStatusOfL2Withdrawals updates batch status of L2 withdrawals.
-func (c *CrossMessage) UpdateBatchStatusOfL2Withdrawals(ctx context.Context, startBlockNumber, endBlockNumber, batchIndex uint64) error {
-	db := c.db.WithContext(ctx)
-	db = db.Model(&CrossMessage{})
-	db = db.Where("message_type = ?", MessageTypeL2SentMessage)
-	db = db.Where("l2_block_number >= ?", startBlockNumber)
-	db = db.Where("l2_block_number <= ?", endBlockNumber)
-	updateFields := make(map[string]interface{})
-	updateFields["batch_index"] = batchIndex
-	updateFields["rollup_status"] = RollupStatusTypeFinalized
-	if err := db.Updates(updateFields).Error; err != nil {
-		return fmt.Errorf("failed to update batch status of L2 sent messages, start: %v, end: %v, index: %v, error: %w", startBlockNumber, endBlockNumber, batchIndex, err)
-	}
-	return nil
-}
-
-// InsertOrUpdateL1Messages inserts or updates a list of L1 cross messages into the database.
-func (c *CrossMessage) InsertOrUpdateL1Messages(ctx context.Context, messages []*CrossMessage, dbTX ...*gorm.DB) error {
-	if len(messages) == 0 {
-		return nil
-	}
-	db := c.db
-	if len(dbTX) > 0 && dbTX[0] != nil {
-		db = dbTX[0]
-	}
-	db = db.WithContext(ctx)
-	db = db.Model(&CrossMessage{})
-	db = db.Clauses(clause.OnConflict{
-		Columns:   []clause.Column{{Name: "message_hash"}},
-		DoUpdates: clause.AssignmentColumns([]string{"sender", "receiver", "token_type", "l1_block_number", "l1_tx_hash", "l1_token_address", "l2_token_address", "token_ids", "token_amounts", "message_type", "tx_status", "block_timestamp", "message_nonce"}),
-	})
-	if err := db.Create(messages).Error; err != nil {
-		return fmt.Errorf("failed to insert message, message: %+v, error: %w", messages, err)
-	}
-	return nil
-}
-
-// InsertOrUpdateL2Messages inserts or updates a list of L2 cross messages into the database.
-func (c *CrossMessage) InsertOrUpdateL2Messages(ctx context.Context, messages []*CrossMessage, dbTX ...*gorm.DB) error {
-	if len(messages) == 0 {
-		return nil
-	}
-	db := c.db
-	if len(dbTX) > 0 && dbTX[0] != nil {
-		db = dbTX[0]
-	}
-	db = db.WithContext(ctx)
-	db = db.Model(&CrossMessage{})
-	db = db.Clauses(clause.OnConflict{
-		Columns:   []clause.Column{{Name: "message_hash"}},
-		DoUpdates: clause.AssignmentColumns([]string{"sender", "receiver", "token_type", "l2_block_number", "l2_tx_hash", "l1_token_address", "l2_token_address", "token_ids", "token_amounts", "message_type", "tx_status", "block_timestamp", "message_from", "message_to", "message_value", "message_data", "merkle_proof", "message_nonce"}),
-	})
-	if err := db.Create(messages).Error; err != nil {
-		return fmt.Errorf("failed to insert message, message: %+v, error: %w", messages, err)
-	}
-	return nil
-}
-
-// InsertFailedGatewayRouterTxs inserts a list of transactions that failed to interact with the gateway router into the database.
-// These failed transactions are only fetched once, so they are inserted without checking for duplicates.
-// To resolve unique index confliction, a random UUID will be generated and used as the MessageHash.
-func (c *CrossMessage) InsertFailedGatewayRouterTxs(ctx context.Context, messages []*CrossMessage, dbTX ...*gorm.DB) error {
-	if len(messages) == 0 {
-		return nil
-	}
-	db := c.db
-	if len(dbTX) > 0 && dbTX[0] != nil {
-		db = dbTX[0]
-	}
-
-	db = db.WithContext(ctx)
-	db = db.Model(&CrossMessage{})
-	for _, message := range messages {
-		message.MessageHash = uuid.New().String()
-	}
-	if err := db.Create(messages).Error; err != nil {
-		return fmt.Errorf("failed to insert failed gateway router txs, message: %+v, error: %w", messages, err)
-	}
-	return nil
-}
-
-// InsertOrUpdateL2RelayedMessagesOfL1Deposits inserts or updates the database with a list of L2 relayed messages related to L1 deposits.
-func (c *CrossMessage) InsertOrUpdateL2RelayedMessagesOfL1Deposits(ctx context.Context, l2RelayedMessages []*CrossMessage, dbTX ...*gorm.DB) error {
-	if len(l2RelayedMessages) == 0 {
-		return nil
-	}
-	db := c.db.WithContext(ctx)
-	db = db.Model(&CrossMessage{})
-	db = db.Clauses(clause.OnConflict{
-		Columns:   []clause.Column{{Name: "message_hash"}},
-		DoUpdates: clause.AssignmentColumns([]string{"l2_block_number", "l2_tx_hash", "tx_status"}),
-	})
-	if err := db.Create(l2RelayedMessages).Error; err != nil {
-		return fmt.Errorf("failed to update L2 relayed message of L1 deposit, L2 relayed message: %+v, error: %w", l2RelayedMessages, err)
-	}
-	return nil
-}
-
-// InsertOrUpdateL1RelayedMessagesOfL2Withdrawals inserts or updates the database with a list of L1 relayed messages related to L2 withdrawals.
-func (c *CrossMessage) InsertOrUpdateL1RelayedMessagesOfL2Withdrawals(ctx context.Context, l1RelayedMessages []*CrossMessage, dbTX ...*gorm.DB) error {
-	if len(l1RelayedMessages) == 0 {
-		return nil
-	}
-	db := c.db
-	if len(dbTX) > 0 && dbTX[0] != nil {
-		db = dbTX[0]
-	}
-	db = db.WithContext(ctx)
-	db = db.Model(&CrossMessage{})
-	db = db.Clauses(clause.OnConflict{
-		Columns:   []clause.Column{{Name: "message_hash"}},
-		DoUpdates: clause.AssignmentColumns([]string{"l1_block_number", "l1_tx_hash", "tx_status"}),
-	})
-	if err := db.Create(l1RelayedMessages).Error; err != nil {
-		return fmt.Errorf("failed to update L1 relayed message of L2 withdrawal, L1 relayed messages: %+v, error: %w", l1RelayedMessages, err)
-	}
-	return nil
-}

bridge-history-api/internal/orm/migrate/migrations/00001_cross_message.sql

@@ -1,46 +0,0 @@
--- +goose Up
--- +goose StatementBegin
-create table cross_message
-(
-    id                  BIGSERIAL    PRIMARY KEY,
-    message_type        SMALLINT     NOT NULL,
-    tx_status           SMALLINT     NOT NULL,
-    rollup_status       SMALLINT     NOT NULL,
-    token_type          SMALLINT     NOT NULL,
-    sender              VARCHAR      NOT NULL,
-    receiver            VARCHAR      NOT NULL,
-
-    message_hash        VARCHAR      DEFAULT NULL, -- NULL for failed txs
-    l1_tx_hash          VARCHAR      DEFAULT NULL,
-    l2_tx_hash          VARCHAR      DEFAULT NULL,
-    l1_block_number     BIGINT       DEFAULT NULL,
-    l2_block_number     BIGINT       DEFAULT NULL,
-    l1_token_address    VARCHAR      DEFAULT NULL,
-    l2_token_address    VARCHAR      DEFAULT NULL,
-    token_ids           VARCHAR      DEFAULT NULL,
-    token_amounts       VARCHAR      NOT NULL,
-    block_timestamp     BIGINT       NOT NULL,     -- timestamp to sort L1 Deposit & L2 Withdraw events altogether
-
---- claim info
-    message_from        VARCHAR      DEFAULT NULL,
-    message_to          VARCHAR      DEFAULT NULL,
-    message_value       VARCHAR      DEFAULT NULL,
-    message_nonce       BIGINT       DEFAULT NULL,
-    message_data        VARCHAR      DEFAULT NULL,
-    merkle_proof        BYTEA        DEFAULT NULL,
-    batch_index         BIGINT       DEFAULT NULL,
-
--- metadata
-    created_at          TIMESTAMP(0) NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    updated_at          TIMESTAMP(0) NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    deleted_at          TIMESTAMP(0) DEFAULT NULL
-);
-
-CREATE UNIQUE INDEX if not exists idx_cm_message_hash ON cross_message (message_hash);
-
--- +goose StatementEnd
-
--- +goose Down
--- +goose StatementBegin
-drop table if exists cross_message;
--- +goose StatementEnd

bridge-history-api/internal/orm/migrate/migrations/00002_batch_event.sql

@@ -1,20 +0,0 @@
--- +goose Up
--- +goose StatementBegin
-create table batch_event
-(
-    id                  BIGSERIAL     PRIMARY KEY,
-    batch_status        SMALLINT      NOT NULL,
-    batch_index         BIGINT        NOT NULL,
-    batch_hash          VARCHAR       NOT NULL,
-    start_block_number  BIGINT        NOT NULL,
-    end_block_number    BIGINT        NOT NULL,
-    created_at          TIMESTAMP(0)  NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    updated_at          TIMESTAMP(0)  NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    deleted_at          TIMESTAMP(0)  DEFAULT NULL
-);
--- +goose StatementEnd
-
--- +goose Down
--- +goose StatementBegin
-drop table if exists event_batch;
--- +goose StatementEnd

bridge-history-api/internal/route/route.go

@@ -1,35 +0,0 @@
-package route
-
-import (
-	"time"
-
-	"github.com/gin-contrib/cors"
-	"github.com/gin-gonic/gin"
-	"github.com/prometheus/client_golang/prometheus"
-
-	"scroll-tech/common/observability"
-
-	"scroll-tech/bridge-history-api/internal/config"
-	"scroll-tech/bridge-history-api/internal/controller/api"
-)
-
-// Route routes the APIs
-func Route(router *gin.Engine, conf *config.Config, reg prometheus.Registerer) {
-	router.Use(cors.New(cors.Config{
-		AllowOrigins:     []string{"*"},
-		AllowMethods:     []string{"GET", "POST"},
-		AllowHeaders:     []string{"Origin", "Content-Type", "Authorization"},
-		AllowCredentials: true,
-		MaxAge:           12 * time.Hour,
-	}))
-
-	observability.Use(router, "bridge_history_api", reg)
-
-	r := router.Group("api/")
-
-	r.GET("/txs", api.HistoryCtrler.GetTxsByAddress)
-	r.GET("/withdrawals", api.HistoryCtrler.GetL2WithdrawalsByAddress)
-	r.GET("/claimablewithdrawals", api.HistoryCtrler.GetL2ClaimableWithdrawalsByAddress)
-
-	r.POST("/txsbyhashes", api.HistoryCtrler.PostQueryTxsByHashes)
-}

bridge-history-api/internal/types/types.go

@@ -1,122 +0,0 @@
-package types
-
-import (
-	"net/http"
-	"time"
-
-	"github.com/gin-gonic/gin"
-)
-
-const (
-	// Success indicates that the operation was successful.
-	Success = 0
-	// InternalServerError represents a fatal error occurring on the server.
-	InternalServerError = 500
-	// ErrParameterInvalidNo represents an error when the parameters are invalid.
-	ErrParameterInvalidNo = 40001
-	// ErrGetL2ClaimableWithdrawalsError represents an error when trying to get L2 claimable withdrawal transactions.
-	ErrGetL2ClaimableWithdrawalsError = 40002
-	// ErrGetL2WithdrawalsError represents an error when trying to get L2 withdrawal transactions by address.
-	ErrGetL2WithdrawalsError = 40003
-	// ErrGetTxsError represents an error when trying to get transactions by address.
-	ErrGetTxsError = 40004
-	// ErrGetTxsByHashError represents an error when trying to get transactions by hash list.
-	ErrGetTxsByHashError = 40005
-)
-
-// QueryByAddressRequest the request parameter of address api
-type QueryByAddressRequest struct {
-	Address  string `form:"address" binding:"required"`
-	Page     uint64 `form:"page" binding:"required"`
-	PageSize uint64 `form:"page_size" binding:"required,min=1,max=100"`
-}
-
-// QueryByHashRequest the request parameter of hash api
-type QueryByHashRequest struct {
-	Txs []string `raw:"txs" binding:"required"`
-}
-
-// ResultData contains return txs and total
-type ResultData struct {
-	Result []*TxHistoryInfo `json:"result"`
-	Total  uint64           `json:"total"`
-}
-
-// Response the response schema
-type Response struct {
-	ErrCode int         `json:"errcode"`
-	ErrMsg  string      `json:"errmsg"`
-	Data    interface{} `json:"data"`
-}
-
-// Finalized the schema of tx finalized infos
-type Finalized struct {
-	Hash        string `json:"hash"`
-	BlockNumber uint64 `json:"blockNumber"`
-}
-
-// UserClaimInfo the schema of tx claim infos
-type UserClaimInfo struct {
-	From       string `json:"from"`
-	To         string `json:"to"`
-	Value      string `json:"value"`
-	Nonce      string `json:"nonce"`
-	Message    string `json:"message"`
-	Proof      string `json:"proof"`
-	BatchIndex string `json:"batch_index"`
-	Claimable  bool   `json:"claimable"`
-}
-
-// TxHistoryInfo the schema of tx history infos
-type TxHistoryInfo struct {
-	Hash        string         `json:"hash"`
-	MsgHash     string         `json:"msgHash"`
-	Amount      string         `json:"amount"`
-	IsL1        bool           `json:"isL1"`
-	L1Token     string         `json:"l1Token"`
-	L2Token     string         `json:"l2Token"`
-	BlockNumber uint64         `json:"blockNumber"`
-	TxStatus    int            `json:"txStatus"`
-	FinalizeTx  *Finalized     `json:"finalizeTx"`
-	ClaimInfo   *UserClaimInfo `json:"claimInfo"`
-	CreatedAt   *time.Time     `json:"createdTime"`
-}
-
-// RenderJSON renders response with json
-func RenderJSON(ctx *gin.Context, errCode int, err error, data interface{}) {
-	var errMsg string
-	if err != nil {
-		errMsg = err.Error()
-	}
-	renderData := Response{
-		ErrCode: errCode,
-		ErrMsg:  errMsg,
-		Data:    data,
-	}
-	ctx.JSON(http.StatusOK, renderData)
-}
-
-// RenderSuccess renders success response with json
-func RenderSuccess(ctx *gin.Context, data interface{}) {
-	RenderJSON(ctx, Success, nil, data)
-}
-
-// RenderFailure renders failure response with json
-func RenderFailure(ctx *gin.Context, errCode int, err error) {
-	RenderJSON(ctx, errCode, err, nil)
-}
-
-// RenderFatal renders fatal response with json
-func RenderFatal(ctx *gin.Context, err error) {
-	var errMsg string
-	if err != nil {
-		errMsg = err.Error()
-	}
-	renderData := Response{
-		ErrCode: InternalServerError,
-		ErrMsg:  errMsg,
-		Data:    nil,
-	}
-	ctx.Set("errcode", InternalServerError)
-	ctx.JSON(http.StatusInternalServerError, renderData)
-}

bridge-history-api/internal/utils/utils.go

@@ -1,113 +0,0 @@
-package utils
-
-import (
-	"context"
-	"encoding/binary"
-	"errors"
-	"fmt"
-	"math/big"
-
-	"github.com/scroll-tech/go-ethereum/accounts/abi"
-	"github.com/scroll-tech/go-ethereum/common"
-	"github.com/scroll-tech/go-ethereum/core/types"
-	"github.com/scroll-tech/go-ethereum/crypto"
-	"github.com/scroll-tech/go-ethereum/ethclient"
-
-	backendabi "scroll-tech/bridge-history-api/abi"
-)
-
-// Keccak2 compute the keccack256 of two concatenations of bytes32
-func Keccak2(a common.Hash, b common.Hash) common.Hash {
-	return common.BytesToHash(crypto.Keccak256(append(a.Bytes()[:], b.Bytes()[:]...)))
-}
-
-// GetBlockNumber get the current block number minus the confirmations
-func GetBlockNumber(ctx context.Context, client *ethclient.Client, confirmations uint64) (uint64, error) {
-	number, err := client.BlockNumber(ctx)
-	if err != nil || number <= confirmations {
-		return 0, err
-	}
-	number = number - confirmations
-	return number, nil
-}
-
-// UnpackLog unpacks a retrieved log into the provided output structure.
-// @todo: add unit test.
-func UnpackLog(c *abi.ABI, out 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.UnpackIntoInterface(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.ParseTopics(out, indexed, log.Topics[1:])
-}
-
-// ComputeMessageHash compute the message hash
-func ComputeMessageHash(
-	sender common.Address,
-	target common.Address,
-	value *big.Int,
-	messageNonce *big.Int,
-	message []byte,
-) common.Hash {
-	data, _ := backendabi.IL2ScrollMessengerABI.Pack("relayMessage", sender, target, value, messageNonce, message)
-	return common.BytesToHash(crypto.Keccak256(data))
-}
-
-type commitBatchArgs struct {
-	Version                uint8
-	ParentBatchHeader      []byte
-	Chunks                 [][]byte
-	SkippedL1MessageBitmap []byte
-}
-
-// GetBatchRangeFromCalldata find the block range from calldata, both inclusive.
-func GetBatchRangeFromCalldata(calldata []byte) (uint64, uint64, error) {
-	method := backendabi.IScrollChainABI.Methods["commitBatch"]
-	values, err := method.Inputs.Unpack(calldata[4:])
-	if err != nil {
-		// special case: import genesis batch
-		method = backendabi.IScrollChainABI.Methods["importGenesisBatch"]
-		_, err2 := method.Inputs.Unpack(calldata[4:])
-		if err2 == nil {
-			// genesis batch
-			return 0, 0, nil
-		}
-		// none of "commitBatch" and "importGenesisBatch" match, give up
-		return 0, 0, err
-	}
-	args := commitBatchArgs{}
-	err = method.Inputs.Copy(&args, values)
-	if err != nil {
-		return 0, 0, err
-	}
-
-	var startBlock uint64
-	var finishBlock uint64
-
-	// decode blocks from chunk and assume that there's no empty chunk
-	// |   1 byte   | 60 bytes | ... | 60 bytes |
-	// | num blocks |  block 1 | ... |  block n |
-	if len(args.Chunks) == 0 {
-		return 0, 0, errors.New("invalid chunks")
-	}
-	chunk := args.Chunks[0]
-	block := chunk[1:61] // first block in chunk
-	startBlock = binary.BigEndian.Uint64(block[0:8])
-
-	chunk = args.Chunks[len(args.Chunks)-1]
-	lastBlockIndex := int(chunk[0]) - 1
-	block = chunk[1+lastBlockIndex*60 : 1+lastBlockIndex*60+60] // last block in chunk
-	finishBlock = binary.BigEndian.Uint64(block[0:8])
-
-	return startBlock, finishBlock, err
-}

bridge-history-api/internal/utils/utils_test.go

@@ -1,38 +0,0 @@
-package utils
-
-import (
-	"testing"
-
-	"github.com/scroll-tech/go-ethereum/common"
-	"github.com/stretchr/testify/assert"
-)
-
-func TestKeccak2(t *testing.T) {
-	a := common.HexToHash("0xe90b7bceb6e7df5418fb78d8ee546e97c83a08bbccc01a0644d599ccd2a7c2e0")
-	b := common.HexToHash("0x222ff5e0b5877792c2bc1670e2ccd0c2c97cd7bb1672a57d598db05092d3d72c")
-	c := Keccak2(a, b)
-	assert.NotEmpty(t, c)
-	assert.NotEqual(t, a, c)
-	assert.NotEqual(t, b, c)
-	assert.Equal(t, "0xc0ffbd7f501bd3d49721b0724b2bff657cb2378f15d5a9b97cd7ea5bf630d512", c.Hex())
-}
-
-func TestGetBatchRangeFromCalldata(t *testing.T) {
-	// single chunk
-	start, finish, err := GetBatchRangeFromCalldata(common.Hex2Bytes("1325aca000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001a0000000000000000000000000000000000000000000000000000000000000005900000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000003d0100000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000100000000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000000"))
-	assert.NoError(t, err)
-	assert.Equal(t, start, uint64(1))
-	assert.Equal(t, finish, uint64(1))
-
-	// multiple chunk
-	start, finish, err = GetBatchRangeFromCalldata(common.Hex2Bytes("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"))
-	assert.NoError(t, err)
-	assert.Equal(t, start, uint64(10))
-	assert.Equal(t, finish, uint64(20))
-
-	// genesis batch
-	start, finish, err = GetBatchRangeFromCalldata(common.Hex2Bytes("3fdeecb200000000000000000000000000000000000000000000000000000000000000402dcb5308098d24a37fc1487a229fcedb09fa4343ede39cbad365bc925535bb09000000000000000000000000000000000000000000000000000000000000005900000000000000000000000000000000000000000000000000c252bc9780c4d83cf11f14b8cd03c92c4d18ce07710ba836d31d12da216c8330000000000000000000000000000000000000000000000000000000000000000000000000000000"))
-	assert.NoError(t, err)
-	assert.Equal(t, start, uint64(0))
-	assert.Equal(t, finish, uint64(0))
-}

bridge-history-api/internal/utils/withdraw_trie.go

@@ -1,187 +0,0 @@
-package utils
-
-import (
-	"github.com/scroll-tech/go-ethereum/common"
-)
-
-// MaxHeight is the maixium possible height of withdraw trie
-const MaxHeight = 40
-
-// WithdrawTrie is an append only merkle trie
-type WithdrawTrie struct {
-	// used to rebuild the merkle tree
-	NextMessageNonce uint64
-
-	height int // current height of withdraw trie
-
-	branches []common.Hash
-	zeroes   []common.Hash
-}
-
-// NewWithdrawTrie will return a new instance of WithdrawTrie
-func NewWithdrawTrie() *WithdrawTrie {
-	zeroes := make([]common.Hash, MaxHeight)
-	branches := make([]common.Hash, MaxHeight)
-
-	zeroes[0] = common.Hash{}
-	for i := 1; i < MaxHeight; i++ {
-		zeroes[i] = Keccak2(zeroes[i-1], zeroes[i-1])
-	}
-
-	return &WithdrawTrie{
-		zeroes:           zeroes,
-		branches:         branches,
-		height:           -1,
-		NextMessageNonce: 0,
-	}
-}
-
-// Initialize will initialize the merkle trie with rightest leaf node
-func (w *WithdrawTrie) Initialize(currentMessageNonce uint64, msgHash common.Hash, proofBytes []byte) {
-	proof := DecodeBytesToMerkleProof(proofBytes)
-	branches := RecoverBranchFromProof(proof, currentMessageNonce, msgHash)
-	w.height = len(proof)
-	w.branches = branches
-	w.NextMessageNonce = currentMessageNonce + 1
-}
-
-// AppendMessages appends a list of new messages as leaf nodes to the rightest of the tree and returns the proofs for all messages.
-func (w *WithdrawTrie) AppendMessages(hashes []common.Hash) [][]byte {
-	length := len(hashes)
-	if length == 0 {
-		return make([][]byte, 0)
-	}
-
-	cache := make([]map[uint64]common.Hash, MaxHeight)
-	for h := 0; h < MaxHeight; h++ {
-		cache[h] = make(map[uint64]common.Hash)
-	}
-
-	// cache all branches will be used later.
-	if w.NextMessageNonce != 0 {
-		index := w.NextMessageNonce
-		for h := 0; h <= w.height; h++ {
-			if index%2 == 1 {
-				// right child, `w.branches[h]` is the corresponding left child
-				// the index of left child should be `index ^ 1`.
-				cache[h][index^1] = w.branches[h]
-			}
-			index >>= 1
-		}
-	}
-	// cache all new leaves
-	for i := 0; i < length; i++ {
-		cache[0][w.NextMessageNonce+uint64(i)] = hashes[i]
-	}
-
-	// build withdraw trie with new hashes
-	minIndex := w.NextMessageNonce
-	maxIndex := w.NextMessageNonce + uint64(length) - 1
-	for h := 0; maxIndex > 0; h++ {
-		if minIndex%2 == 1 {
-			minIndex--
-		}
-		if maxIndex%2 == 0 {
-			cache[h][maxIndex^1] = w.zeroes[h]
-		}
-		for i := minIndex; i <= maxIndex; i += 2 {
-			cache[h+1][i>>1] = Keccak2(cache[h][i], cache[h][i^1])
-		}
-		minIndex >>= 1
-		maxIndex >>= 1
-	}
-
-	// update branches using hashes one by one
-	for i := 0; i < length; i++ {
-		proof := UpdateBranchWithNewMessage(w.zeroes, w.branches, w.NextMessageNonce, hashes[i])
-		w.NextMessageNonce++
-		w.height = len(proof)
-	}
-
-	proofs := make([][]byte, length)
-	// retrieve merkle proof from cache
-	for i := 0; i < length; i++ {
-		index := w.NextMessageNonce + uint64(i) - uint64(length)
-		var merkleProof []common.Hash
-		for h := 0; h < w.height; h++ {
-			merkleProof = append(merkleProof, cache[h][index^1])
-			index >>= 1
-		}
-		proofs[i] = EncodeMerkleProofToBytes(merkleProof)
-	}
-
-	return proofs
-}
-
-// MessageRoot return the current root hash of withdraw trie.
-func (w *WithdrawTrie) MessageRoot() common.Hash {
-	if w.height == -1 {
-		return common.Hash{}
-	}
-	return w.branches[w.height]
-}
-
-// DecodeBytesToMerkleProof transfer byte array to bytes32 array. The caller should make sure the length is matched.
-func DecodeBytesToMerkleProof(proofBytes []byte) []common.Hash {
-	proof := make([]common.Hash, len(proofBytes)/32)
-	for i := 0; i < len(proofBytes); i += 32 {
-		proof[i/32] = common.BytesToHash(proofBytes[i : i+32])
-	}
-	return proof
-}
-
-// EncodeMerkleProofToBytes transfer byte32 array to byte array by concatenation.
-func EncodeMerkleProofToBytes(proof []common.Hash) []byte {
-	var proofBytes []byte
-	for i := 0; i < len(proof); i++ {
-		proofBytes = append(proofBytes, proof[i][:]...)
-	}
-	return proofBytes
-}
-
-// UpdateBranchWithNewMessage update the branches to latest with new message and return the merkle proof for the message.
-func UpdateBranchWithNewMessage(zeroes []common.Hash, branches []common.Hash, index uint64, msgHash common.Hash) []common.Hash {
-	root := msgHash
-	var merkleProof []common.Hash
-	var height uint64
-	for height = 0; index > 0; height++ {
-		if index%2 == 0 {
-			// it may be used in next round.
-			branches[height] = root
-			merkleProof = append(merkleProof, zeroes[height])
-			// it's a left child, the right child must be null
-			root = Keccak2(root, zeroes[height])
-		} else {
-			// it's a right child, use previously computed hash
-			root = Keccak2(branches[height], root)
-			merkleProof = append(merkleProof, branches[height])
-		}
-		index >>= 1
-	}
-	branches[height] = root
-	return merkleProof
-}
-
-// RecoverBranchFromProof will recover latest branches from merkle proof and message hash
-func RecoverBranchFromProof(proof []common.Hash, index uint64, msgHash common.Hash) []common.Hash {
-	branches := make([]common.Hash, 64)
-	root := msgHash
-	var height uint64
-	for height = 0; index > 0; height++ {
-		if index%2 == 0 {
-			branches[height] = root
-			// it's a left child, the right child must be null
-			root = Keccak2(root, proof[height])
-		} else {
-			// it's a right child, use previously computed hash
-			branches[height] = proof[height]
-			root = Keccak2(proof[height], root)
-		}
-		index >>= 1
-	}
-	branches[height] = root
-	for height++; height < 64; height++ {
-		branches[height] = common.Hash{}
-	}
-	return branches
-}

bridge-history-api/internal/utils/withdraw_trie_test.go

@@ -1,210 +0,0 @@
-package utils
-
-import (
-	"math/big"
-	"testing"
-
-	"github.com/scroll-tech/go-ethereum/common"
-	"github.com/stretchr/testify/assert"
-)
-
-func TestUpdateBranchWithNewMessage(t *testing.T) {
-	zeroes := make([]common.Hash, 64)
-	branches := make([]common.Hash, 64)
-	zeroes[0] = common.Hash{}
-	for i := 1; i < 64; i++ {
-		zeroes[i] = Keccak2(zeroes[i-1], zeroes[i-1])
-	}
-
-	UpdateBranchWithNewMessage(zeroes, branches, 0, common.HexToHash("0x0000000000000000000000000000000000000000000000000000000000000001"))
-	if branches[0] != common.HexToHash("0x0000000000000000000000000000000000000000000000000000000000000001") {
-		t.Fatalf("Invalid root, want %s, got %s", "0x0000000000000000000000000000000000000000000000000000000000000001", branches[0].Hex())
-	}
-
-	UpdateBranchWithNewMessage(zeroes, branches, 1, common.HexToHash("0x0000000000000000000000000000000000000000000000000000000000000002"))
-	if branches[1] != common.HexToHash("0xe90b7bceb6e7df5418fb78d8ee546e97c83a08bbccc01a0644d599ccd2a7c2e0") {
-		t.Fatalf("Invalid root, want %s, got %s", "0xe90b7bceb6e7df5418fb78d8ee546e97c83a08bbccc01a0644d599ccd2a7c2e0", branches[1].Hex())
-	}
-
-	UpdateBranchWithNewMessage(zeroes, branches, 2, common.HexToHash("0x0000000000000000000000000000000000000000000000000000000000000003"))
-	if branches[2] != common.HexToHash("0x222ff5e0b5877792c2bc1670e2ccd0c2c97cd7bb1672a57d598db05092d3d72c") {
-		t.Fatalf("Invalid root, want %s, got %s", "0x222ff5e0b5877792c2bc1670e2ccd0c2c97cd7bb1672a57d598db05092d3d72c", branches[2].Hex())
-	}
-
-	UpdateBranchWithNewMessage(zeroes, branches, 3, common.HexToHash("0x0000000000000000000000000000000000000000000000000000000000000004"))
-	if branches[2] != common.HexToHash("0xa9bb8c3f1f12e9aa903a50c47f314b57610a3ab32f2d463293f58836def38d36") {
-		t.Fatalf("Invalid root, want %s, got %s", "0xa9bb8c3f1f12e9aa903a50c47f314b57610a3ab32f2d463293f58836def38d36", branches[2].Hex())
-	}
-}
-
-func TestDecodeEncodeMerkleProof(t *testing.T) {
-	proof := DecodeBytesToMerkleProof(common.Hex2Bytes("2ebffc1a6671c51e30777a680904b103992630ec995b6e6ff76a04d5259d49012ebffc1a6671c51e30777a680904b103992630ec995b6e6ff76a04d5259d49022ebffc1a6671c51e30777a680904b103992630ec995b6e6ff76a04d5259d49032ebffc1a6671c51e30777a680904b103992630ec995b6e6ff76a04d5259d4904"))
-	if len(proof) != 4 {
-		t.Fatalf("proof length mismatch, want %d, got %d", 4, len(proof))
-	}
-	if proof[0] != common.HexToHash("0x2ebffc1a6671c51e30777a680904b103992630ec995b6e6ff76a04d5259d4901") {
-		t.Fatalf("proof[0] mismatch, want %s, got %s", "0x2ebffc1a6671c51e30777a680904b103992630ec995b6e6ff76a04d5259d4901", proof[0].Hex())
-	}
-	if proof[1] != common.HexToHash("0x2ebffc1a6671c51e30777a680904b103992630ec995b6e6ff76a04d5259d4902") {
-		t.Fatalf("proof[1] mismatch, want %s, got %s", "0x2ebffc1a6671c51e30777a680904b103992630ec995b6e6ff76a04d5259d4902", proof[0].Hex())
-	}
-	if proof[2] != common.HexToHash("0x2ebffc1a6671c51e30777a680904b103992630ec995b6e6ff76a04d5259d4903") {
-		t.Fatalf("proof[2] mismatch, want %s, got %s", "0x2ebffc1a6671c51e30777a680904b103992630ec995b6e6ff76a04d5259d4903", proof[0].Hex())
-	}
-	if proof[3] != common.HexToHash("0x2ebffc1a6671c51e30777a680904b103992630ec995b6e6ff76a04d5259d4904") {
-		t.Fatalf("proof[3] mismatch, want %s, got %s", "0x2ebffc1a6671c51e30777a680904b103992630ec995b6e6ff76a04d5259d4904", proof[0].Hex())
-	}
-
-	bytes := EncodeMerkleProofToBytes(proof)
-	if common.Bytes2Hex(bytes) != "2ebffc1a6671c51e30777a680904b103992630ec995b6e6ff76a04d5259d49012ebffc1a6671c51e30777a680904b103992630ec995b6e6ff76a04d5259d49022ebffc1a6671c51e30777a680904b103992630ec995b6e6ff76a04d5259d49032ebffc1a6671c51e30777a680904b103992630ec995b6e6ff76a04d5259d4904" {
-		t.Fatalf("wrong encoded bytes")
-	}
-}
-
-func TestRecoverBranchFromProof(t *testing.T) {
-	zeroes := make([]common.Hash, 64)
-	branches := make([]common.Hash, 64)
-	zeroes[0] = common.Hash{}
-	for i := 1; i < 64; i++ {
-		zeroes[i] = Keccak2(zeroes[i-1], zeroes[i-1])
-	}
-
-	proof := UpdateBranchWithNewMessage(zeroes, branches, 0, common.HexToHash("0x0000000000000000000000000000000000000000000000000000000000000001"))
-	tmpBranches := RecoverBranchFromProof(proof, 0, common.HexToHash("0x0000000000000000000000000000000000000000000000000000000000000001"))
-	for i := 0; i < 64; i++ {
-		if tmpBranches[i] != branches[i] {
-			t.Fatalf("Invalid branch, want %s, got %s", branches[i].Hex(), tmpBranches[i].Hex())
-		}
-	}
-
-	proof = UpdateBranchWithNewMessage(zeroes, branches, 1, common.HexToHash("0x0000000000000000000000000000000000000000000000000000000000000002"))
-	tmpBranches = RecoverBranchFromProof(proof, 1, common.HexToHash("0x0000000000000000000000000000000000000000000000000000000000000002"))
-	for i := 0; i < 64; i++ {
-		if tmpBranches[i] != branches[i] {
-			t.Fatalf("Invalid branch, want %s, got %s", branches[i].Hex(), tmpBranches[i].Hex())
-		}
-	}
-
-	proof = UpdateBranchWithNewMessage(zeroes, branches, 2, common.HexToHash("0x0000000000000000000000000000000000000000000000000000000000000003"))
-	tmpBranches = RecoverBranchFromProof(proof, 2, common.HexToHash("0x0000000000000000000000000000000000000000000000000000000000000003"))
-	for i := 0; i < 64; i++ {
-		if tmpBranches[i] != branches[i] {
-			t.Fatalf("Invalid branch, want %s, got %s", branches[i].Hex(), tmpBranches[i].Hex())
-		}
-	}
-
-	proof = UpdateBranchWithNewMessage(zeroes, branches, 3, common.HexToHash("0x0000000000000000000000000000000000000000000000000000000000000004"))
-	tmpBranches = RecoverBranchFromProof(proof, 3, common.HexToHash("0x0000000000000000000000000000000000000000000000000000000000000004"))
-	for i := 0; i < 64; i++ {
-		if tmpBranches[i] != branches[i] {
-			t.Fatalf("Invalid branch, want %s, got %s", branches[i].Hex(), tmpBranches[i].Hex())
-		}
-	}
-}
-
-func TestWithdrawTrieOneByOne(t *testing.T) {
-	for initial := 0; initial < 128; initial++ {
-		withdrawTrie := NewWithdrawTrie()
-		var hashes []common.Hash
-		for i := 0; i < initial; i++ {
-			hash := common.BigToHash(big.NewInt(int64(i + 1)))
-			hashes = append(hashes, hash)
-			withdrawTrie.AppendMessages([]common.Hash{
-				hash,
-			})
-		}
-
-		for i := initial; i < 128; i++ {
-			hash := common.BigToHash(big.NewInt(int64(i + 1)))
-			hashes = append(hashes, hash)
-			expectedRoot := computeMerkleRoot(hashes)
-			proofBytes := withdrawTrie.AppendMessages([]common.Hash{
-				hash,
-			})
-			assert.Equal(t, withdrawTrie.NextMessageNonce, uint64(i+1))
-			assert.Equal(t, expectedRoot.String(), withdrawTrie.MessageRoot().String())
-			proof := DecodeBytesToMerkleProof(proofBytes[0])
-			verifiedRoot := verifyMerkleProof(uint64(i), hash, proof)
-			assert.Equal(t, expectedRoot.String(), verifiedRoot.String())
-		}
-	}
-}
-
-func TestWithdrawTrieMultiple(t *testing.T) {
-	var expectedRoots []common.Hash
-
-	{
-		var hashes []common.Hash
-		for i := 0; i < 128; i++ {
-			hash := common.BigToHash(big.NewInt(int64(i + 1)))
-			hashes = append(hashes, hash)
-			expectedRoots = append(expectedRoots, computeMerkleRoot(hashes))
-		}
-	}
-
-	for initial := 0; initial < 100; initial++ {
-		var hashes []common.Hash
-		for i := 0; i < initial; i++ {
-			hash := common.BigToHash(big.NewInt(int64(i + 1)))
-			hashes = append(hashes, hash)
-		}
-
-		for finish := initial; finish < 100; finish++ {
-			withdrawTrie := NewWithdrawTrie()
-			withdrawTrie.AppendMessages(hashes)
-
-			var newHashes []common.Hash
-			for i := initial; i <= finish; i++ {
-				hash := common.BigToHash(big.NewInt(int64(i + 1)))
-				newHashes = append(newHashes, hash)
-			}
-			proofBytes := withdrawTrie.AppendMessages(newHashes)
-			assert.Equal(t, withdrawTrie.NextMessageNonce, uint64(finish+1))
-			assert.Equal(t, expectedRoots[finish].String(), withdrawTrie.MessageRoot().String())
-
-			for i := initial; i <= finish; i++ {
-				hash := common.BigToHash(big.NewInt(int64(i + 1)))
-				proof := DecodeBytesToMerkleProof(proofBytes[i-initial])
-				verifiedRoot := verifyMerkleProof(uint64(i), hash, proof)
-				assert.Equal(t, expectedRoots[finish].String(), verifiedRoot.String())
-			}
-		}
-	}
-}
-
-func verifyMerkleProof(index uint64, leaf common.Hash, proof []common.Hash) common.Hash {
-	root := leaf
-	for _, h := range proof {
-		if index%2 == 0 {
-			root = Keccak2(root, h)
-		} else {
-			root = Keccak2(h, root)
-		}
-		index >>= 1
-	}
-	return root
-}
-
-func computeMerkleRoot(hashes []common.Hash) common.Hash {
-	if len(hashes) == 0 {
-		return common.Hash{}
-	}
-
-	zeroHash := common.Hash{}
-	for {
-		if len(hashes) == 1 {
-			break
-		}
-		var newHashes []common.Hash
-		for i := 0; i < len(hashes); i += 2 {
-			if i+1 < len(hashes) {
-				newHashes = append(newHashes, Keccak2(hashes[i], hashes[i+1]))
-			} else {
-				newHashes = append(newHashes, Keccak2(hashes[i], zeroHash))
-			}
-		}
-		hashes = newHashes
-		zeroHash = Keccak2(zeroHash, zeroHash)
-	}
-	return hashes[0]
-}

bridge/Makefile

@@ -1,15 +1,17 @@
-.PHONY: mock_abi rollup_bins event_watcher gas_oracle rollup_relayer test lint clean docker
+.PHONY: lint docker clean bridge
 
+IMAGE_NAME=bridge
 IMAGE_VERSION=latest
 REPO_ROOT_DIR=./..
 
 mock_abi:
-	cd .. && go run github.com/scroll-tech/go-ethereum/cmd/abigen --sol ./rollup/mock_bridge/MockBridgeL1.sol --pkg mock_bridge --out ./rollup/mock_bridge/MockBridgeL1.go
-	cd .. && go run github.com/scroll-tech/go-ethereum/cmd/abigen --sol ./rollup/mock_bridge/MockBridgeL2.sol --pkg mock_bridge --out ./rollup/mock_bridge/MockBridgeL2.go
+	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
 
-rollup_bins: ## Builds the Rollup bins.
+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
@@ -18,6 +20,9 @@ event_watcher: ## Builds the event_watcher bin
 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/
 
@@ -34,8 +39,10 @@ docker_push:
 	docker docker push scrolltech/gas-oracle:${IMAGE_VERSION}
 	docker docker push scrolltech/event-watcher:${IMAGE_VERSION}
 	docker docker push scrolltech/rollup-relayer:${IMAGE_VERSION}
+	docker docker push scrolltech/msg-relayer:${IMAGE_VERSION}
 
 docker:
 	DOCKER_BUILDKIT=1 docker build -t scrolltech/gas-oracle:${IMAGE_VERSION} ${REPO_ROOT_DIR}/ -f ${REPO_ROOT_DIR}/build/dockerfiles/gas_oracle.Dockerfile
 	DOCKER_BUILDKIT=1 docker build -t scrolltech/event-watcher:${IMAGE_VERSION} ${REPO_ROOT_DIR}/ -f ${REPO_ROOT_DIR}/build/dockerfiles/event_watcher.Dockerfile
 	DOCKER_BUILDKIT=1 docker build -t scrolltech/rollup-relayer:${IMAGE_VERSION} ${REPO_ROOT_DIR}/ -f ${REPO_ROOT_DIR}/build/dockerfiles/rollup_relayer.Dockerfile
+	DOCKER_BUILDKIT=1 docker build -t scrolltech/msg-relayer:${IMAGE_VERSION} ${REPO_ROOT_DIR}/ -f ${REPO_ROOT_DIR}/build/dockerfiles/msg_relayer.Dockerfile

bridge/README.md

@@ -0,0 +1,36 @@
+# Bridge
+
+This repo contains the Scroll bridge.
+
+In addition, launching the bridge will launch a separate instance of l2geth, and sets up a communication channel
+between the two, over JSON-RPC sockets.
+
+Something we should pay attention is that all private keys inside sender instance cannot be duplicated.
+
+## Dependency
+
++ install `abigen`
+
+``` bash
+go install -v github.com/scroll-tech/go-ethereum/cmd/abigen
+```
+
+## Build
+
+```bash
+make clean
+make bridge
+```
+
+## Start
+* use default ports and config.json
+
+```bash
+./build/bin/bridge --http
+```
+
+* use specified ports and config.json
+
+```bash
+./build/bin/bridge --config ./config.json --http --http.addr localhost --http.port 8290
+```

bridge/cmd/event_watcher/main.go

@@ -1,4 +1,4 @@
-package app
+package main
 
 import (
 	"context"
@@ -7,18 +7,17 @@ import (
 	"os/signal"
 	"time"
 
-	"github.com/prometheus/client_golang/prometheus"
 	"github.com/scroll-tech/go-ethereum/ethclient"
 	"github.com/scroll-tech/go-ethereum/log"
 	"github.com/urfave/cli/v2"
 
-	"scroll-tech/common/database"
-	"scroll-tech/common/observability"
-	"scroll-tech/common/utils"
+	"scroll-tech/common/metrics"
+	cutils "scroll-tech/common/utils"
 	"scroll-tech/common/version"
 
-	"scroll-tech/rollup/internal/config"
-	"scroll-tech/rollup/internal/controller/watcher"
+	"scroll-tech/bridge/internal/config"
+	"scroll-tech/bridge/internal/controller/watcher"
+	"scroll-tech/bridge/internal/utils"
 )
 
 var app *cli.App
@@ -30,18 +29,18 @@ func init() {
 	app.Name = "event-watcher"
 	app.Usage = "The Scroll Event Watcher"
 	app.Version = version.Version
-	app.Flags = append(app.Flags, utils.CommonFlags...)
+	app.Flags = append(app.Flags, cutils.CommonFlags...)
 	app.Commands = []*cli.Command{}
 	app.Before = func(ctx *cli.Context) error {
-		return utils.LogSetup(ctx)
+		return cutils.LogSetup(ctx)
 	}
 	// Register `event-watcher-test` app for integration-test.
-	utils.RegisterSimulation(app, utils.EventWatcherApp)
+	cutils.RegisterSimulation(app, cutils.EventWatcherApp)
 }
 
 func action(ctx *cli.Context) error {
 	// Load config file.
-	cfgFile := ctx.String(utils.ConfigFileFlag.Name)
+	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)
@@ -49,19 +48,19 @@ func action(ctx *cli.Context) error {
 
 	subCtx, cancel := context.WithCancel(ctx.Context)
 	// Init db connection
-	db, err := database.InitDB(cfg.DBConfig)
+	db, err := utils.InitDB(cfg.DBConfig)
 	if err != nil {
 		log.Crit("failed to init db connection", "err", err)
 	}
 	defer func() {
 		cancel()
-		if err = database.CloseDB(db); err != nil {
+		if err := utils.CloseDB(db); err != nil {
 			log.Error("can not close ormFactory", "error", err)
 		}
 	}()
 
-	registry := prometheus.DefaultRegisterer
-	observability.Server(ctx, db)
+	// 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)
@@ -73,23 +72,18 @@ func action(ctx *cli.Context) error {
 		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, db)
+	l2watcher := watcher.NewL2WatcherClient(ctx.Context, l2client, cfg.L2Config.Confirmations, cfg.L2Config.L2MessengerAddress, cfg.L2Config.L2MessageQueueAddress, cfg.L2Config.WithdrawTrieRootSlot, db)
 
-	l1watcher := watcher.NewL1WatcherClient(ctx.Context, l1client, cfg.L1Config.StartHeight, cfg.L1Config.Confirmations,
-		cfg.L1Config.L1MessageQueueAddress, cfg.L1Config.ScrollChainContractAddress, db, registry)
-
-	l2watcher := watcher.NewL2WatcherClient(ctx.Context, l2client, cfg.L2Config.Confirmations, cfg.L2Config.L2MessengerAddress,
-		cfg.L2Config.L2MessageQueueAddress, cfg.L2Config.WithdrawTrieRootSlot, db, registry)
-
-	go utils.Loop(subCtx, 10*time.Second, func() {
+	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 utils.Loop(subCtx, 2*time.Second, l2watcher.FetchContractEvent)
+	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.
@@ -102,8 +96,7 @@ func action(ctx *cli.Context) error {
 	return nil
 }
 
-// Run event watcher cmd instance.
-func Run() {
+func main() {
 	if err := app.Run(os.Args); err != nil {
 		_, _ = fmt.Fprintln(os.Stderr, err)
 		os.Exit(1)

bridge/cmd/gas_oracle/main.go

@@ -1,4 +1,4 @@
-package app
+package main
 
 import (
 	"context"
@@ -7,21 +7,18 @@ import (
 	"os/signal"
 	"time"
 
-	"github.com/prometheus/client_golang/prometheus"
 	"github.com/scroll-tech/go-ethereum/ethclient"
 	"github.com/scroll-tech/go-ethereum/log"
-	"github.com/scroll-tech/go-ethereum/rpc"
 	"github.com/urfave/cli/v2"
 
-	"scroll-tech/common/database"
-	"scroll-tech/common/observability"
-	"scroll-tech/common/utils"
+	"scroll-tech/common/metrics"
+	cutils "scroll-tech/common/utils"
 	"scroll-tech/common/version"
 
-	"scroll-tech/rollup/internal/config"
-	"scroll-tech/rollup/internal/controller/relayer"
-	"scroll-tech/rollup/internal/controller/watcher"
-	butils "scroll-tech/rollup/internal/utils"
+	"scroll-tech/bridge/internal/config"
+	"scroll-tech/bridge/internal/controller/relayer"
+	"scroll-tech/bridge/internal/controller/watcher"
+	"scroll-tech/bridge/internal/utils"
 )
 
 var app *cli.App
@@ -34,37 +31,37 @@ func init() {
 	app.Usage = "The Scroll Gas Oracle"
 	app.Description = "Scroll Gas Oracle."
 	app.Version = version.Version
-	app.Flags = append(app.Flags, utils.CommonFlags...)
+	app.Flags = append(app.Flags, cutils.CommonFlags...)
 	app.Commands = []*cli.Command{}
 	app.Before = func(ctx *cli.Context) error {
-		return utils.LogSetup(ctx)
+		return cutils.LogSetup(ctx)
 	}
 	// Register `gas-oracle-test` app for integration-test.
-	utils.RegisterSimulation(app, utils.GasOracleApp)
+	cutils.RegisterSimulation(app, cutils.GasOracleApp)
 }
 
 func action(ctx *cli.Context) error {
 	// Load config file.
-	cfgFile := ctx.String(utils.ConfigFileFlag.Name)
+	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
-	db, err := database.InitDB(cfg.DBConfig)
+	db, err := utils.InitDB(cfg.DBConfig)
 	if err != nil {
 		log.Crit("failed to init db connection", "err", err)
 	}
 	defer func() {
 		cancel()
-		if err = database.CloseDB(db); err != nil {
+		if err := utils.CloseDB(db); err != nil {
 			log.Error("can not close ormFactory", "error", err)
 		}
 	}()
 
-	registry := prometheus.DefaultRegisterer
-	observability.Server(ctx, db)
+	// Start metrics server.
+	metrics.Serve(subCtx, ctx)
 
 	l1client, err := ethclient.Dial(cfg.L1Config.Endpoint)
 	if err != nil {
@@ -79,36 +76,34 @@ func action(ctx *cli.Context) error {
 		return err
 	}
 
-	l1watcher := watcher.NewL1WatcherClient(ctx.Context, l1client, cfg.L1Config.StartHeight, cfg.L1Config.Confirmations, cfg.L1Config.L1MessageQueueAddress, cfg.L1Config.ScrollChainContractAddress, db, registry)
+	l1watcher := watcher.NewL1WatcherClient(ctx.Context, l1client, cfg.L1Config.StartHeight, cfg.L1Config.Confirmations, cfg.L1Config.L1MessengerAddress, cfg.L1Config.L1MessageQueueAddress, cfg.L1Config.ScrollChainContractAddress, db)
 
-	l1relayer, err := relayer.NewLayer1Relayer(ctx.Context, db, cfg.L1Config.RelayerConfig, registry)
+	l1relayer, err := relayer.NewLayer1Relayer(ctx.Context, db, 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, db, cfg.L2Config.RelayerConfig, false /* initGenesis */, registry)
+	l2relayer, err := relayer.NewLayer2Relayer(ctx.Context, l2client, db, 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 utils.LoopWithContext(subCtx, 10*time.Second, func(ctx context.Context) {
-		// Fetch the latest block number to decrease the delay when fetching gas prices
-		// Use latest block number - 1 to prevent frequent reorg
-		number, loopErr := butils.GetLatestConfirmedBlockNumber(ctx, l1client, rpc.LatestBlockNumber)
+	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 - 1); loopErr != nil {
-			log.Error("Failed to fetch L1 block header", "lastest", number-1, "err", loopErr)
+		if loopErr = l1watcher.FetchBlockHeader(number); loopErr != nil {
+			log.Error("Failed to fetch L1 block header", "lastest", number, "err", loopErr)
 		}
 	})
 
 	// Start l1relayer process
-	go utils.Loop(subCtx, 10*time.Second, l1relayer.ProcessGasPriceOracle)
-	go utils.Loop(subCtx, 2*time.Second, l2relayer.ProcessGasPriceOracle)
+	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")
@@ -123,8 +118,7 @@ func action(ctx *cli.Context) error {
 	return nil
 }
 
-// Run message_relayer cmd instance.
-func Run() {
+func main() {
 	if err := app.Run(os.Args); err != nil {
 		_, _ = fmt.Fprintln(os.Stderr, err)
 		os.Exit(1)

bridge/cmd/mock_app.go

@@ -11,7 +11,7 @@ import (
 	"scroll-tech/common/docker"
 	"scroll-tech/common/utils"
 
-	"scroll-tech/rollup/internal/config"
+	"scroll-tech/bridge/internal/config"
 )
 
 // MockApp mockApp-test client manager.
@@ -22,29 +22,29 @@ type MockApp struct {
 	mockApps map[utils.MockAppName]docker.AppAPI
 
 	originFile string
-	rollupFile string
+	bridgeFile string
 
 	args []string
 }
 
-// NewRollupApp return a new rollupApp manager, name mush be one them.
-func NewRollupApp(base *docker.App, file string) *MockApp {
+// NewBridgeApp return a new bridgeApp manager, name mush be one them.
+func NewBridgeApp(base *docker.App, file string) *MockApp {
 
-	rollupFile := fmt.Sprintf("/tmp/%d_rollup-config.json", base.Timestamp)
-	rollupApp := &MockApp{
+	bridgeFile := fmt.Sprintf("/tmp/%d_bridge-config.json", base.Timestamp)
+	bridgeApp := &MockApp{
 		base:       base,
 		mockApps:   make(map[utils.MockAppName]docker.AppAPI),
 		originFile: file,
-		rollupFile: rollupFile,
-		args:       []string{"--log.debug", "--config", rollupFile},
+		bridgeFile: bridgeFile,
+		args:       []string{"--log.debug", "--config", bridgeFile},
 	}
-	if err := rollupApp.MockConfig(true); err != nil {
+	if err := bridgeApp.MockConfig(true); err != nil {
 		panic(err)
 	}
-	return rollupApp
+	return bridgeApp
 }
 
-// RunApp run rollup-test child process by multi parameters.
+// 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 ||
@@ -72,16 +72,16 @@ func (b *MockApp) WaitExit() {
 	b.mockApps = make(map[utils.MockAppName]docker.AppAPI)
 }
 
-// Free stop and release rollup mocked apps.
+// Free stop and release bridge mocked apps.
 func (b *MockApp) Free() {
 	b.WaitExit()
-	_ = os.Remove(b.rollupFile)
+	_ = os.Remove(b.bridgeFile)
 }
 
-// MockConfig creates a new rollup config.
+// MockConfig creates a new bridge config.
 func (b *MockApp) MockConfig(store bool) error {
 	base := b.base
-	// Load origin rollup config file.
+	// Load origin bridge config file.
 	cfg, err := config.NewConfig(b.originFile)
 	if err != nil {
 		return err
@@ -97,10 +97,10 @@ func (b *MockApp) MockConfig(store bool) error {
 	if !store {
 		return nil
 	}
-	// Store changed rollup config into a temp file.
+	// Store changed bridge config into a temp file.
 	data, err := json.Marshal(b.Config)
 	if err != nil {
 		return err
 	}
-	return os.WriteFile(b.rollupFile, data, 0600)
+	return os.WriteFile(b.bridgeFile, data, 0600)
 }

bridge/cmd/msg_relayer/main.go

@@ -0,0 +1,108 @@
+package main
+
+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/common/metrics"
+	cutils "scroll-tech/common/utils"
+	"scroll-tech/common/version"
+
+	"scroll-tech/bridge/internal/config"
+	"scroll-tech/bridge/internal/controller/relayer"
+	"scroll-tech/bridge/internal/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
+	db, err := utils.InitDB(cfg.DBConfig)
+	if err != nil {
+		log.Crit("failed to init db connection", "err", err)
+	}
+	defer func() {
+		cancel()
+		if err := utils.CloseDB(db); 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, db, 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, db, 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
+}
+
+func main() {
+	if err := app.Run(os.Args); err != nil {
+		_, _ = fmt.Fprintln(os.Stderr, err)
+		os.Exit(1)
+	}
+}

bridge/cmd/rollup_relayer/main.go

@@ -1,4 +1,4 @@
-package app
+package main
 
 import (
 	"context"
@@ -7,20 +7,18 @@ import (
 	"os/signal"
 	"time"
 
-	"github.com/prometheus/client_golang/prometheus"
 	"github.com/scroll-tech/go-ethereum/ethclient"
 	"github.com/scroll-tech/go-ethereum/log"
 	"github.com/urfave/cli/v2"
 
-	"scroll-tech/common/database"
-	"scroll-tech/common/observability"
-	"scroll-tech/common/utils"
+	"scroll-tech/common/metrics"
+	cutils "scroll-tech/common/utils"
 	"scroll-tech/common/version"
 
-	"scroll-tech/rollup/internal/config"
-	"scroll-tech/rollup/internal/controller/relayer"
-	"scroll-tech/rollup/internal/controller/watcher"
-	butils "scroll-tech/rollup/internal/utils"
+	"scroll-tech/bridge/internal/config"
+	"scroll-tech/bridge/internal/controller/relayer"
+	"scroll-tech/bridge/internal/controller/watcher"
+	"scroll-tech/bridge/internal/utils"
 )
 
 var app *cli.App
@@ -32,19 +30,18 @@ func init() {
 	app.Name = "rollup-relayer"
 	app.Usage = "The Scroll Rollup Relayer"
 	app.Version = version.Version
-	app.Flags = append(app.Flags, utils.CommonFlags...)
-	app.Flags = append(app.Flags, utils.RollupRelayerFlags...)
+	app.Flags = append(app.Flags, cutils.CommonFlags...)
 	app.Commands = []*cli.Command{}
 	app.Before = func(ctx *cli.Context) error {
-		return utils.LogSetup(ctx)
+		return cutils.LogSetup(ctx)
 	}
 	// Register `rollup-relayer-test` app for integration-test.
-	utils.RegisterSimulation(app, utils.RollupRelayerApp)
+	cutils.RegisterSimulation(app, cutils.RollupRelayerApp)
 }
 
 func action(ctx *cli.Context) error {
 	// Load config file.
-	cfgFile := ctx.String(utils.ConfigFileFlag.Name)
+	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)
@@ -52,19 +49,19 @@ func action(ctx *cli.Context) error {
 
 	subCtx, cancel := context.WithCancel(ctx.Context)
 	// Init db connection
-	db, err := database.InitDB(cfg.DBConfig)
+	db, err := utils.InitDB(cfg.DBConfig)
 	if err != nil {
 		log.Crit("failed to init db connection", "err", err)
 	}
 	defer func() {
 		cancel()
-		if err = database.CloseDB(db); err != nil {
+		if err := utils.CloseDB(db); err != nil {
 			log.Error("can not close ormFactory", "error", err)
 		}
 	}()
 
-	registry := prometheus.DefaultRegisterer
-	observability.Server(ctx, db)
+	// Start metrics server.
+	metrics.Serve(subCtx, ctx)
 
 	// Init l2geth connection
 	l2client, err := ethclient.Dial(cfg.L2Config.Endpoint)
@@ -73,45 +70,37 @@ func action(ctx *cli.Context) error {
 		return err
 	}
 
-	initGenesis := ctx.Bool(utils.ImportGenesisFlag.Name)
-	l2relayer, err := relayer.NewLayer2Relayer(ctx.Context, l2client, db, cfg.L2Config.RelayerConfig, initGenesis, registry)
+	l2relayer, err := relayer.NewLayer2Relayer(ctx.Context, l2client, db, cfg.L2Config.RelayerConfig)
 	if err != nil {
 		log.Error("failed to create l2 relayer", "config file", cfgFile, "error", err)
 		return err
 	}
 
-	chunkProposer := watcher.NewChunkProposer(subCtx, cfg.L2Config.ChunkProposerConfig, db, registry)
-	if err != nil {
-		log.Error("failed to create chunkProposer", "config file", cfgFile, "error", err)
-		return err
-	}
-
-	batchProposer := watcher.NewBatchProposer(subCtx, cfg.L2Config.BatchProposerConfig, db, registry)
+	batchProposer := watcher.NewBatchProposer(subCtx, cfg.L2Config.BatchProposerConfig, l2relayer, db)
 	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, db, registry)
+	l2watcher := watcher.NewL2WatcherClient(subCtx, l2client, cfg.L2Config.Confirmations, cfg.L2Config.L2MessengerAddress, cfg.L2Config.L2MessageQueueAddress, cfg.L2Config.WithdrawTrieRootSlot, db)
 
 	// Watcher loop to fetch missing blocks
-	go utils.LoopWithContext(subCtx, 2*time.Second, func(ctx context.Context) {
-		number, loopErr := butils.GetLatestConfirmedBlockNumber(ctx, l2client, cfg.L2Config.Confirmations)
+	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(number)
+		l2watcher.TryFetchRunningMissingBlocks(ctx, number)
 	})
 
-	go utils.Loop(subCtx, 2*time.Second, chunkProposer.TryProposeChunk)
+	// Batch proposer loop
+	go cutils.Loop(subCtx, 2*time.Second, func() {
+		batchProposer.TryProposeBatch()
+		batchProposer.TryCommitBatches()
+	})
 
-	go utils.Loop(subCtx, 10*time.Second, batchProposer.TryProposeBatch)
-
-	go utils.Loop(subCtx, 2*time.Second, l2relayer.ProcessPendingBatches)
-
-	go utils.Loop(subCtx, 15*time.Second, l2relayer.ProcessCommittedBatches)
+	go cutils.Loop(subCtx, 2*time.Second, l2relayer.ProcessCommittedBatches)
 
 	// Finish start all rollup relayer functions.
 	log.Info("Start rollup-relayer successfully")
@@ -126,8 +115,7 @@ func action(ctx *cli.Context) error {
 	return nil
 }
 
-// Run rollup relayer cmd instance.
-func Run() {
+func main() {
 	if err := app.Run(os.Args); err != nil {
 		_, _ = fmt.Fprintln(os.Stderr, err)
 		os.Exit(1)

bridge/conf/config.json

@@ -0,0 +1,97 @@
+{
+  "l1_config": {
+    "confirmations": "0x6",
+    "endpoint": "https://goerli.infura.io/v3/9aa3d95b3bc440fa88ea12eaa4456161",
+    "l1_messenger_address": "0x0000000000000000000000000000000000000000",
+    "l1_message_queue_address": "0x0000000000000000000000000000000000000000",
+    "scroll_chain_address": "0x0000000000000000000000000000000000000000",
+    "start_height": 0,
+    "relayer_config": {
+      "messenger_contract_address": "0x0000000000000000000000000000000000000000",
+      "gas_price_oracle_address": "0x0000000000000000000000000000000000000000",
+      "sender_config": {
+        "endpoint": "/var/lib/jenkins/workspace/SequencerPipeline/MyPrivateNetwork/geth.ipc",
+        "check_pending_time": 2,
+        "check_balance_time": 100,
+        "escalate_blocks": 100,
+        "confirmations": "0x1",
+        "escalate_multiple_num": 11,
+        "escalate_multiple_den": 10,
+        "max_gas_price": 10000000000,
+        "tx_type": "LegacyTx",
+        "min_balance": 100000000000000000000,
+        "pending_limit": 10
+      },
+      "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"
+      ]
+    }
+  },
+  "l2_config": {
+    "confirmations": "0x1",
+    "endpoint": "/var/lib/jenkins/workspace/SequencerPipeline/MyPrivateNetwork/geth.ipc",
+    "l2_messenger_address": "0x0000000000000000000000000000000000000000",
+    "l2_message_queue_address": "0x0000000000000000000000000000000000000000",
+    "relayer_config": {
+      "rollup_contract_address": "0x0000000000000000000000000000000000000000",
+      "messenger_contract_address": "0x0000000000000000000000000000000000000000",
+      "gas_price_oracle_address": "0x0000000000000000000000000000000000000000",
+      "sender_config": {
+        "endpoint": "https://goerli.infura.io/v3/9aa3d95b3bc440fa88ea12eaa4456161",
+        "check_pending_time": 10,
+        "check_balance_time": 100,
+        "escalate_blocks": 100,
+        "confirmations": "0x6",
+        "escalate_multiple_num": 11,
+        "escalate_multiple_den": 10,
+        "max_gas_price": 10000000000,
+        "tx_type": "LegacyTx",
+        "min_balance": 100000000000000000000,
+        "pending_limit": 10
+      },
+      "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"
+      ],
+      "rollup_sender_private_keys": [
+        "1212121212121212121212121212121212121212121212121212121212121212"
+      ]
+    },
+    "batch_proposer_config": {
+      "proof_generation_freq": 1,
+      "batch_gas_threshold": 3000000,
+      "batch_tx_num_threshold": 44,
+      "batch_time_sec": 300,
+      "batch_commit_time_sec": 1200,
+      "batch_blocks_limit": 100,
+      "commit_tx_calldata_size_limit": 200000,
+      "public_input_config": {
+        "max_tx_num": 44,
+        "padding_tx_hash": "0x0000000000000000000000000000000000000000000000000000000000000000"
+      }
+    }
+  },
+  "db_config": {
+    "driver_name": "postgres",
+    "dsn": "postgres://admin:123456@localhost/test?sslmode=disable",
+    "maxOpenNum": 200,
+    "maxIdleNum": 20,
+    "slow_sql_threshold": "3s",
+    "is_show_sql": true
+  }
+}

bridge/docs/00001_block_trace.sql

@@ -0,0 +1,38 @@
+-- +goose Up
+-- +goose StatementBegin
+
+-- TODO: use foreign key for batch_id?
+-- TODO: why tx_num is bigint?
+create table block_trace
+(
+    number                  BIGINT          NOT NULL,
+    hash                    VARCHAR         NOT NULL,
+    parent_hash             VARCHAR         NOT NULL,
+    trace                   JSON            NOT NULL,
+    batch_hash              VARCHAR         DEFAULT NULL,
+    tx_num                  INTEGER         NOT NULL,
+    gas_used                BIGINT          NOT NULL,
+    block_timestamp         NUMERIC         NOT NULL
+);
+
+create unique index block_trace_hash_uindex
+    on block_trace (hash);
+
+create unique index block_trace_number_uindex
+    on block_trace (number);
+
+create unique index block_trace_parent_uindex
+    on block_trace (number, parent_hash);
+
+create unique index block_trace_parent_hash_uindex
+    on block_trace (hash, parent_hash);
+
+create index block_trace_batch_hash_index
+    on block_trace (batch_hash);
+
+-- +goose StatementEnd
+
+-- +goose Down
+-- +goose StatementBegin
+drop table if exists block_trace;
+-- +goose StatementEnd

bridge/docs/00002_l1_message.sql

@@ -0,0 +1,50 @@
+-- +goose Up
+-- +goose StatementBegin
+create table l1_message
+(
+    queue_index  BIGINT  NOT NULL,
+    msg_hash     VARCHAR NOT NULL,
+    height       BIGINT  NOT NULL,
+    gas_limit    BIGINT  NOT NULL,
+    sender       VARCHAR NOT NULL,
+    target       VARCHAR NOT NULL,
+    value        VARCHAR NOT NULL,
+    calldata     TEXT    NOT NULL,
+    layer1_hash  VARCHAR NOT NULL,
+    layer2_hash  VARCHAR DEFAULT NULL,
+    status       INTEGER  DEFAULT 1,
+    created_time TIMESTAMP(0) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    updated_time TIMESTAMP(0) NOT NULL DEFAULT CURRENT_TIMESTAMP
+);
+
+comment
+on column l1_message.status is 'undefined, pending, submitted, confirmed, failed, expired, relay_failed';
+
+create unique index l1_message_hash_uindex
+on l1_message (msg_hash);
+
+create unique index l1_message_nonce_uindex
+on l1_message (queue_index);
+
+create index l1_message_height_index
+    on l1_message (height);
+
+CREATE OR REPLACE FUNCTION update_timestamp()
+RETURNS TRIGGER AS $$
+BEGIN
+   NEW.updated_time = CURRENT_TIMESTAMP;
+   RETURN NEW;
+END;
+$$ language 'plpgsql';
+
+CREATE TRIGGER update_timestamp BEFORE UPDATE
+ON l1_message FOR EACH ROW EXECUTE PROCEDURE
+update_timestamp();
+
+
+-- +goose StatementEnd
+
+-- +goose Down
+-- +goose StatementBegin
+drop table if exists l1_message;
+-- +goose StatementEnd

bridge/docs/00003_l2_message.sql

@@ -0,0 +1,50 @@
+-- +goose Up
+-- +goose StatementBegin
+create table l2_message
+(
+    nonce        BIGINT  NOT NULL,
+    msg_hash     VARCHAR NOT NULL,
+    height       BIGINT  NOT NULL,
+    sender       VARCHAR NOT NULL,
+    target       VARCHAR NOT NULL,
+    value        VARCHAR NOT NULL,
+    calldata     TEXT    NOT NULL,
+    layer2_hash  VARCHAR NOT NULL,
+    layer1_hash  VARCHAR DEFAULT NULL,
+    proof        TEXT    DEFAULT NULL,
+    status       INTEGER  DEFAULT 1,
+    created_time TIMESTAMP(0) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    updated_time TIMESTAMP(0) NOT NULL DEFAULT CURRENT_TIMESTAMP
+);
+
+comment
+on column l2_message.status is 'undefined, pending, submitted, confirmed, failed, expired, relay_failed';
+
+create unique index l2_message_hash_uindex
+on l2_message (msg_hash);
+
+create unique index l2_message_nonce_uindex
+on l2_message (nonce);
+
+create index l2_message_height_index
+    on l2_message (height);
+
+CREATE OR REPLACE FUNCTION update_timestamp()
+RETURNS TRIGGER AS $$
+BEGIN
+   NEW.updated_time = CURRENT_TIMESTAMP;
+   RETURN NEW;
+END;
+$$ language 'plpgsql';
+
+CREATE TRIGGER update_timestamp BEFORE UPDATE
+ON l2_message FOR EACH ROW EXECUTE PROCEDURE
+update_timestamp();
+
+
+-- +goose StatementEnd
+
+-- +goose Down
+-- +goose StatementBegin
+drop table if exists l2_message;
+-- +goose StatementEnd

bridge/docs/00004_block_batch.sql

@@ -0,0 +1,50 @@
+-- +goose Up
+-- +goose StatementBegin
+
+create table block_batch
+(
+    hash                    VARCHAR         NOT NULL,
+    index                   BIGINT          NOT NULL,
+    start_block_number      BIGINT          NOT NULL,
+    start_block_hash        VARCHAR         NOT NULL,
+    end_block_number        BIGINT          NOT NULL,
+    end_block_hash          VARCHAR         NOT NULL,
+    parent_hash             VARCHAR         NOT NULL,
+    state_root              VARCHAR         NOT NULL,
+    total_tx_num            BIGINT          NOT NULL,
+    total_l1_tx_num         BIGINT          NOT NULL,
+    total_l2_gas            BIGINT          NOT NULL,
+    proving_status          INTEGER         DEFAULT 1,
+    proof                   BYTEA           DEFAULT NULL,
+    instance_commitments    BYTEA           DEFAULT NULL,
+    proof_time_sec          INTEGER         DEFAULT 0,
+    rollup_status           INTEGER         DEFAULT 1,
+    commit_tx_hash          VARCHAR         DEFAULT NULL,
+    finalize_tx_hash        VARCHAR         DEFAULT NULL,
+    oracle_status           INTEGER         DEFAULT 1,
+    oracle_tx_hash          VARCHAR         DEFAULT NULL,
+    created_at              TIMESTAMP(0)    NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    prover_assigned_at      TIMESTAMP(0)    DEFAULT NULL,
+    proved_at               TIMESTAMP(0)    DEFAULT NULL,
+    committed_at            TIMESTAMP(0)    DEFAULT NULL,
+    finalized_at            TIMESTAMP(0)    DEFAULT NULL
+);
+
+comment
+on column block_batch.proving_status is 'undefined, unassigned, skipped, assigned, proved, verified, failed';
+comment
+on column block_batch.rollup_status is 'undefined, pending, committing, committed, finalizing, finalized, finalization_skipped, commit_failed, finalize_failed';
+comment
+on column block_batch.oracle_status is 'undefined, pending, importing, imported, failed';
+
+create unique index block_batch_hash_uindex
+    on block_batch (hash);
+create unique index block_batch_index_uindex
+    on block_batch (index);
+
+-- +goose StatementEnd
+
+-- +goose Down
+-- +goose StatementBegin
+drop table if exists  block_batch;
+-- +goose StatementEnd

bridge/docs/00005_l1_block.sql

@@ -3,33 +3,31 @@
 
 create table l1_block
 (
--- block
     number                  BIGINT          NOT NULL,
     hash                    VARCHAR         NOT NULL,
+    header_rlp              TEXT            NOT NULL,
     base_fee                BIGINT          NOT NULL,
-
--- oracle
-    oracle_status           SMALLINT        NOT NULL DEFAULT 1,
-    oracle_tx_hash          VARCHAR         DEFAULT NULL,
-
--- metadata
-    created_at              TIMESTAMP(0)    NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    updated_at              TIMESTAMP(0)    NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    deleted_at              TIMESTAMP(0)    DEFAULT NULL
+    block_status            INTEGER         DEFAULT 1,
+    import_tx_hash          VARCHAR         DEFAULT NULL,
+    oracle_status           INTEGER         DEFAULT 1,
+    oracle_tx_hash          VARCHAR         DEFAULT NULL
 );
 
+comment
+on column l1_block.block_status is 'undefined, pending, importing, imported, failed';
+
 comment
 on column l1_block.oracle_status is 'undefined, pending, importing, imported, failed';
 
 create unique index l1_block_hash_uindex
-on l1_block (hash) where deleted_at IS NULL;
+on l1_block (hash);
 
 create unique index l1_block_number_uindex
-on l1_block (number) where deleted_at IS NULL;
+on l1_block (number);
 
 -- +goose StatementEnd
 
 -- +goose Down
 -- +goose StatementBegin
 drop table if exists l1_block;
--- +goose StatementEnd
+-- +goose StatementEnd

bridge/go.mod

@@ -0,0 +1,60 @@
+module scroll-tech/bridge
+
+go 1.18
+
+require (
+	github.com/agiledragon/gomonkey/v2 v2.9.0
+	github.com/orcaman/concurrent-map v1.0.0
+	github.com/orcaman/concurrent-map/v2 v2.0.1
+	github.com/scroll-tech/go-ethereum v1.10.14-0.20230321020420-127af384ed04
+	github.com/smartystreets/goconvey v1.8.0
+	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
+)
+
+require (
+	github.com/btcsuite/btcd v0.20.1-beta // indirect
+	github.com/cpuguy83/go-md2man/v2 v2.0.2 // indirect
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/deckarep/golang-set v1.8.0 // indirect
+	github.com/ethereum/go-ethereum v1.11.4 // indirect
+	github.com/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/gopherjs/gopherjs v1.17.2 // indirect
+	github.com/gorilla/websocket v1.5.0 // indirect
+	github.com/iden3/go-iden3-crypto v0.0.14 // indirect
+	github.com/jackc/pgpassfile v1.0.0 // indirect
+	github.com/jackc/pgservicefile v0.0.0-20221227161230-091c0ba34f0a // indirect
+	github.com/jackc/pgx/v5 v5.3.0 // indirect
+	github.com/jinzhu/inflection v1.0.0 // indirect
+	github.com/jinzhu/now v1.1.5 // indirect
+	github.com/jtolds/gls v4.20.0+incompatible // indirect
+	github.com/mattn/go-isatty v0.0.18 // indirect
+	github.com/mattn/go-runewidth 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/rivo/uniseg v0.4.4 // indirect
+	github.com/rjeczalik/notify v0.9.1 // indirect
+	github.com/rogpeppe/go-internal v1.10.0 // indirect
+	github.com/russross/blackfriday/v2 v2.1.0 // indirect
+	github.com/scroll-tech/zktrie v0.5.2 // indirect
+	github.com/shirou/gopsutil v3.21.11+incompatible // indirect
+	github.com/smartystreets/assertions v1.13.1 // indirect
+	github.com/tklauser/go-sysconf v0.3.11 // indirect
+	github.com/tklauser/numcpus v0.6.0 // indirect
+	github.com/xrash/smetrics v0.0.0-20201216005158-039620a65673 // indirect
+	github.com/yusufpapurcu/wmi v1.2.2 // indirect
+	golang.org/x/crypto v0.7.0 // indirect
+	golang.org/x/sys v0.7.0 // indirect
+	golang.org/x/text v0.9.0 // indirect
+	golang.org/x/time v0.1.0 // 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
+	gorm.io/driver/postgres v1.5.0 // indirect
+	gorm.io/gorm v1.25.1 // indirect
+)

bridge/go.sum

@@ -2,8 +2,6 @@ github.com/VictoriaMetrics/fastcache v1.6.0 h1:C/3Oi3EiBCqufydp1neRZkqcwmEiuRT9c
 github.com/aead/siphash v1.0.1/go.mod h1:Nywa3cDsYNNK3gaciGTWPwHt0wlpNV15vwmswBAUSII=
 github.com/agiledragon/gomonkey/v2 v2.9.0 h1:PDiKKybR596O6FHW+RVSG0Z7uGCBNbmbUXh3uCNQ7Hc=
 github.com/agiledragon/gomonkey/v2 v2.9.0/go.mod h1:ap1AmDzcVOAz1YpeJ3TCzIgstoaWLA6jbbgxfB4w2iY=
-github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
-github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
 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=
@@ -13,15 +11,8 @@ 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/bytedance/sonic v1.5.0/go.mod h1:ED5hyg4y6t3/9Ku1R6dU/4KyJ48DZ4jPhfY1O2AihPM=
-github.com/bytedance/sonic v1.9.2 h1:GDaNjuWSGu09guE9Oql0MSTNhNCLlWwO8y/xM5BzcbM=
-github.com/bytedance/sonic v1.9.2/go.mod h1:i736AoUSYt75HyZLoJW9ERYxcy6eaN6h4BZXU064P/U=
 github.com/cespare/cp v0.1.0 h1:SE+dxFebS7Iik5LK0tsi1k9ZCxEaFX4AjQmoyA+1dJk=
 github.com/cespare/xxhash/v2 v2.2.0 h1:DC2CZ1Ep5Y4k3ZQ899DldepgrayRUGE6BBZ/cd9Cj44=
-github.com/cespare/xxhash/v2 v2.2.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
-github.com/chenzhuoyu/base64x v0.0.0-20211019084208-fb5309c8db06/go.mod h1:DH46F32mSOjUmXrMHnKwZdA8wcEefY7UVqBKYGjpdQY=
-github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311 h1:qSGYFH7+jGhDF8vLC+iwCD4WpbV1EBDSzWkJODFLams=
-github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311/go.mod h1:b583jCggY9gE99b6G5LEC39OIiVsWj+R97kbl5odCEk=
 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=
@@ -32,40 +23,17 @@ github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSs
 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/edsrzf/mmap-go v1.0.0 h1:CEBF7HpRnUCSJgGUb5h1Gm7e3VkmVDrR8lvWVLtrOFw=
+github.com/ethereum/go-ethereum v1.11.4 h1:KG81SnUHXWk8LJB3mBcHg/E2yLvXoiPmRMCIRxgx3cE=
+github.com/ethereum/go-ethereum v1.11.4/go.mod h1:it7x0DWnTDMfVFdXcU6Ti4KEFQynLHVRarcSlPr0HBo=
 github.com/fjl/memsize v0.0.0-20190710130421-bcb5799ab5e5 h1:FtmdgXiUlNeRsoNMFlKLDt+S+6hbjVMEW6RGQ7aUf7c=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
-github.com/gabriel-vasile/mimetype v1.4.2 h1:w5qFW6JKBz9Y393Y4q372O9A7cUSequkh1Q7OhCmWKU=
-github.com/gabriel-vasile/mimetype v1.4.2/go.mod h1:zApsH/mKG4w07erKIaJPFiX0Tsq9BFQgN3qGY5GnNgA=
 github.com/gballet/go-libpcsclite v0.0.0-20190607065134-2772fd86a8ff h1:tY80oXqGNY4FhTFhk+o9oFHGINQ/+vhlm8HFzi6znCI=
-github.com/gin-contrib/sse v0.1.0 h1:Y/yl/+YNO8GZSjAhjMsSuLt29uWRFHdHYUb5lYOV9qE=
-github.com/gin-contrib/sse v0.1.0/go.mod h1:RHrZQHXnP2xjPF+u1gW/2HnVO7nvIa9PG3Gm+fLHvGI=
-github.com/gin-gonic/gin v1.9.1 h1:4idEAncQnU5cB7BeOkPtxjfCSye0AAm1R0RVIqJ+Jmg=
-github.com/gin-gonic/gin v1.9.1/go.mod h1:hPrL7YrpYKXt5YId3A/Tnip5kqbEAP+KLuI3SUcPTeU=
 github.com/go-ole/go-ole v1.2.6 h1:/Fpf6oFPoeFik9ty7siob0G6Ke8QvQEuVcuChpwXzpY=
 github.com/go-ole/go-ole v1.2.6/go.mod h1:pprOEPIfldk/42T2oK7lQ4v4JSDwmV0As9GaiUsvbm0=
-github.com/go-playground/assert/v2 v2.2.0 h1:JvknZsQTYeFEAhQwI4qEt9cyV5ONwRHC+lYKSsYSR8s=
-github.com/go-playground/locales v0.14.1 h1:EWaQ/wswjilfKLTECiXz7Rh+3BjFhfDFKv/oXslEjJA=
-github.com/go-playground/locales v0.14.1/go.mod h1:hxrqLVvrK65+Rwrd5Fc6F2O76J/NuW9t0sjnWqG1slY=
-github.com/go-playground/universal-translator v0.18.1 h1:Bcnm0ZwsGyWbCzImXv+pAJnYK9S473LQFuzCbDbfSFY=
-github.com/go-playground/universal-translator v0.18.1/go.mod h1:xekY+UJKNuX9WP91TpwSH2VMlDf28Uj24BCp08ZFTUY=
-github.com/go-playground/validator/v10 v10.14.1 h1:9c50NUPC30zyuKprjL3vNZ0m5oG+jU0zvx4AqHGnv4k=
-github.com/go-playground/validator/v10 v10.14.1/go.mod h1:9iXMNT7sEkjXb0I+enO7QXmzG6QCsPWY4zveKFVRSyU=
-github.com/go-resty/resty/v2 v2.7.0 h1:me+K9p3uhSmXtrBZ4k9jcEAfJmuC8IivWHwaLZwPrFY=
-github.com/go-resty/resty/v2 v2.7.0/go.mod h1:9PWDzw47qPphMRFfhsyk0NnSgvluHcljSMVIq3w7q0I=
 github.com/go-stack/stack v1.8.1 h1:ntEHSVwIt7PNXNpgPmVfMrNhLtgjlmnZha2kOpuRiDw=
 github.com/go-stack/stack v1.8.1/go.mod h1:dcoOX6HbPZSZptuspn9bctJ+N/CnF5gGygcUP3XYfe4=
-github.com/goccy/go-json v0.10.2 h1:CrxCmQqYDkv1z7lO7Wbh2HN93uovUHgrECaO5ZrCXAU=
-github.com/goccy/go-json v0.10.2/go.mod h1:6MelG93GURQebXPDq3khkgXZkazVtN9CRI+MGFi0w8I=
 github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
-github.com/golang/protobuf v1.3.5/go.mod h1:6O5/vntMXwX2lRkT1hjjk0nAC1IDOTvTlVgjlRvqsdk=
-github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
-github.com/golang/protobuf v1.5.2 h1:ROPKBNFfQgOUMifHyP+KYbvpjbdoFNs+aK7DXlji0Tw=
-github.com/golang/protobuf v1.5.2/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
-github.com/golang/snappy v0.0.5-0.20220116011046-fa5810519dcb h1:PBC98N2aIaM3XXiurYmW7fx4GZkL8feAMVq7nEjURHk=
-github.com/golang/snappy v0.0.5-0.20220116011046-fa5810519dcb/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
-github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
-github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
-github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
+github.com/golang/snappy v0.0.4 h1:yAGX7huGHXlcLOEtBnF4w7FQwA26wojNCwOYAEhLjQM=
 github.com/google/uuid v1.3.0 h1:t6JiXgmwXMjEs8VusXIJk2BXHsn+wx8BZdTaoZ5fu7I=
 github.com/google/uuid v1.3.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
@@ -76,90 +44,74 @@ github.com/gorilla/websocket v1.5.0/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/ad
 github.com/hashicorp/go-bexpr v0.1.10 h1:9kuI5PFotCboP3dkDYFr/wi0gg0QVbSNz5oFRpxn4uE=
 github.com/hashicorp/golang-lru v0.5.5-0.20210104140557-80c98217689d h1:dg1dEPuWpEqDnvIw251EVy4zlP8gWbsGj4BsUKCRpYs=
 github.com/holiman/bloomfilter/v2 v2.0.3 h1:73e0e/V0tCydx14a0SCYS/EWCxgwLZ18CZcZKVu0fao=
-github.com/holiman/uint256 v1.2.3 h1:K8UWO1HUJpRMXBxbmaY1Y8IAMZC/RsKB+ArEnnK4l5o=
-github.com/holiman/uint256 v1.2.3/go.mod h1:SC8Ryt4n+UBbPbIBKaG9zbbDlp4jOru9xFZmPzLUTxw=
+github.com/holiman/uint256 v1.2.0 h1:gpSYcPLWGv4sG43I2mVLiDZCNDh/EpGjSk8tmtxitHM=
 github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
 github.com/huin/goupnp v1.0.3 h1:N8No57ls+MnjlB+JPiCVSOyy/ot7MJTqlo7rn+NYSqQ=
-github.com/huin/goupnp v1.0.3/go.mod h1:ZxNlw5WqJj6wSsRK5+YfflQGXYfccj5VgQsMNixHM7Y=
-github.com/huin/goutil v0.0.0-20170803182201-1ca381bf3150/go.mod h1:PpLOETDnJ0o3iZrZfqZzyLl6l7F3c6L1oWn7OICBi6o=
-github.com/iden3/go-iden3-crypto v0.0.15 h1:4MJYlrot1l31Fzlo2sF56u7EVFeHHJkxGXXZCtESgK4=
-github.com/iden3/go-iden3-crypto v0.0.15/go.mod h1:dLpM4vEPJ3nDHzhWFXDjzkn1qHoBeOT/3UEhXsEsP3E=
+github.com/iden3/go-iden3-crypto v0.0.14 h1:HQnFchY735JRNQxof6n/Vbyon4owj4+Ku+LNAamWV6c=
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@@ -169,7 +121,6 @@ github.com/smartystreets/goconvey v1.6.4/go.mod h1:syvi0/a8iFYH4r/RixwvyeAJjdLS9
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bridge/internal/abi/bridge_abi.go

@@ -0,0 +1,242 @@
+package bridgeabi
+
+import (
+	"math/big"
+
+	"github.com/scroll-tech/go-ethereum/accounts/abi"
+	"github.com/scroll-tech/go-ethereum/accounts/abi/bind"
+	"github.com/scroll-tech/go-ethereum/common"
+)
+
+var (
+	// ScrollChainABI holds information about ScrollChain's context and available invokable methods.
+	ScrollChainABI *abi.ABI
+	// L1ScrollMessengerABI holds information about L1ScrollMessenger's context and available invokable methods.
+	L1ScrollMessengerABI *abi.ABI
+	// L1MessageQueueABI holds information about L1MessageQueue contract's context and available invokable methods.
+	L1MessageQueueABI *abi.ABI
+	// L2GasPriceOracleABI holds information about L2GasPriceOracle's context and available invokable methods.
+	L2GasPriceOracleABI *abi.ABI
+
+	// L2ScrollMessengerABI holds information about L2ScrollMessenger's context and available invokable methods.
+	L2ScrollMessengerABI *abi.ABI
+	// L1BlockContainerABI holds information about L1BlockContainer contract's context and available invokable methods.
+	L1BlockContainerABI *abi.ABI
+	// L1GasPriceOracleABI holds information about L1GasPriceOracle's context and available invokable methods.
+	L1GasPriceOracleABI *abi.ABI
+	// L2MessageQueueABI holds information about L2MessageQueue contract's context and available invokable methods.
+	L2MessageQueueABI *abi.ABI
+
+	// L1SentMessageEventSignature = keccak256("SentMessage(address,address,uint256,uint256,uint256,bytes)")
+	L1SentMessageEventSignature common.Hash
+	// L1RelayedMessageEventSignature = keccak256("RelayedMessage(bytes32)")
+	L1RelayedMessageEventSignature common.Hash
+	// L1FailedRelayedMessageEventSignature = keccak256("FailedRelayedMessage(bytes32)")
+	L1FailedRelayedMessageEventSignature common.Hash
+
+	// L1CommitBatchEventSignature = keccak256("CommitBatch(bytes32)")
+	L1CommitBatchEventSignature common.Hash
+	// L1FinalizeBatchEventSignature = keccak256("FinalizeBatch(bytes32)")
+	L1FinalizeBatchEventSignature common.Hash
+
+	// L1QueueTransactionEventSignature = keccak256("QueueTransaction(address,address,uint256,uint256,uint256,bytes)")
+	L1QueueTransactionEventSignature common.Hash
+
+	// L2SentMessageEventSignature = keccak256("SentMessage(address,address,uint256,uint256,uint256,bytes,uint256,uint256)")
+	L2SentMessageEventSignature common.Hash
+	// L2RelayedMessageEventSignature = keccak256("RelayedMessage(bytes32)")
+	L2RelayedMessageEventSignature common.Hash
+	// L2FailedRelayedMessageEventSignature = keccak256("FailedRelayedMessage(bytes32)")
+	L2FailedRelayedMessageEventSignature common.Hash
+
+	// L2ImportBlockEventSignature = keccak256("ImportBlock(bytes32,uint256,uint256,uint256,bytes32)")
+	L2ImportBlockEventSignature common.Hash
+
+	// L2AppendMessageEventSignature = keccak256("AppendMessage(uint256,bytes32)")
+	L2AppendMessageEventSignature common.Hash
+)
+
+func init() {
+	ScrollChainABI, _ = ScrollChainMetaData.GetAbi()
+	L1ScrollMessengerABI, _ = L1ScrollMessengerMetaData.GetAbi()
+	L1MessageQueueABI, _ = L1MessageQueueMetaData.GetAbi()
+	L2GasPriceOracleABI, _ = L2GasPriceOracleMetaData.GetAbi()
+
+	L2ScrollMessengerABI, _ = L2ScrollMessengerMetaData.GetAbi()
+	L1BlockContainerABI, _ = L1BlockContainerMetaData.GetAbi()
+	L2MessageQueueABI, _ = L2MessageQueueMetaData.GetAbi()
+	L1GasPriceOracleABI, _ = L1GasPriceOracleMetaData.GetAbi()
+
+	L1SentMessageEventSignature = L1ScrollMessengerABI.Events["SentMessage"].ID
+	L1RelayedMessageEventSignature = L1ScrollMessengerABI.Events["RelayedMessage"].ID
+	L1FailedRelayedMessageEventSignature = L1ScrollMessengerABI.Events["FailedRelayedMessage"].ID
+
+	L1CommitBatchEventSignature = ScrollChainABI.Events["CommitBatch"].ID
+	L1FinalizeBatchEventSignature = ScrollChainABI.Events["FinalizeBatch"].ID
+
+	L1QueueTransactionEventSignature = L1MessageQueueABI.Events["QueueTransaction"].ID
+
+	L2SentMessageEventSignature = L2ScrollMessengerABI.Events["SentMessage"].ID
+	L2RelayedMessageEventSignature = L2ScrollMessengerABI.Events["RelayedMessage"].ID
+	L2FailedRelayedMessageEventSignature = L2ScrollMessengerABI.Events["FailedRelayedMessage"].ID
+
+	L2ImportBlockEventSignature = L1BlockContainerABI.Events["ImportBlock"].ID
+
+	L2AppendMessageEventSignature = L2MessageQueueABI.Events["AppendMessage"].ID
+}
+
+// Generated manually from abigen and only necessary events and mutable calls are kept.
+
+// ScrollChainMetaData contains all meta data concerning the ScrollChain contract.
+var ScrollChainMetaData = &bind.MetaData{
+	ABI: "[{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"batchHash\",\"type\":\"bytes32\"}],\"name\":\"CommitBatch\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"batchHash\",\"type\":\"bytes32\"}],\"name\":\"FinalizeBatch\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"batchHash\",\"type\":\"bytes32\"}],\"name\":\"RevertBatch\",\"type\":\"event\"},{\"inputs\":[{\"components\":[{\"components\":[{\"internalType\":\"bytes32\",\"name\":\"blockHash\",\"type\":\"bytes32\"},{\"internalType\":\"bytes32\",\"name\":\"parentHash\",\"type\":\"bytes32\"},{\"internalType\":\"uint64\",\"name\":\"blockNumber\",\"type\":\"uint64\"},{\"internalType\":\"uint64\",\"name\":\"timestamp\",\"type\":\"uint64\"},{\"internalType\":\"uint256\",\"name\":\"baseFee\",\"type\":\"uint256\"},{\"internalType\":\"uint64\",\"name\":\"gasLimit\",\"type\":\"uint64\"},{\"internalType\":\"uint16\",\"name\":\"numTransactions\",\"type\":\"uint16\"},{\"internalType\":\"uint16\",\"name\":\"numL1Messages\",\"type\":\"uint16\"}],\"internalType\":\"structIScrollChain.BlockContext[]\",\"name\":\"blocks\",\"type\":\"tuple[]\"},{\"internalType\":\"bytes32\",\"name\":\"prevStateRoot\",\"type\":\"bytes32\"},{\"internalType\":\"bytes32\",\"name\":\"newStateRoot\",\"type\":\"bytes32\"},{\"internalType\":\"bytes32\",\"name\":\"withdrawTrieRoot\",\"type\":\"bytes32\"},{\"internalType\":\"uint64\",\"name\":\"batchIndex\",\"type\":\"uint64\"},{\"internalType\":\"bytes32\",\"name\":\"parentBatchHash\",\"type\":\"bytes32\"},{\"internalType\":\"bytes\",\"name\":\"l2Transactions\",\"type\":\"bytes\"}],\"internalType\":\"structIScrollChain.Batch\",\"name\":\"batch\",\"type\":\"tuple\"}],\"name\":\"commitBatch\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"components\":[{\"components\":[{\"internalType\":\"bytes32\",\"name\":\"blockHash\",\"type\":\"bytes32\"},{\"internalType\":\"bytes32\",\"name\":\"parentHash\",\"type\":\"bytes32\"},{\"internalType\":\"uint64\",\"name\":\"blockNumber\",\"type\":\"uint64\"},{\"internalType\":\"uint64\",\"name\":\"timestamp\",\"type\":\"uint64\"},{\"internalType\":\"uint256\",\"name\":\"baseFee\",\"type\":\"uint256\"},{\"internalType\":\"uint64\",\"name\":\"gasLimit\",\"type\":\"uint64\"},{\"internalType\":\"uint16\",\"name\":\"numTransactions\",\"type\":\"uint16\"},{\"internalType\":\"uint16\",\"name\":\"numL1Messages\",\"type\":\"uint16\"}],\"internalType\":\"structIScrollChain.BlockContext[]\",\"name\":\"blocks\",\"type\":\"tuple[]\"},{\"internalType\":\"bytes32\",\"name\":\"prevStateRoot\",\"type\":\"bytes32\"},{\"internalType\":\"bytes32\",\"name\":\"newStateRoot\",\"type\":\"bytes32\"},{\"internalType\":\"bytes32\",\"name\":\"withdrawTrieRoot\",\"type\":\"bytes32\"},{\"internalType\":\"uint64\",\"name\":\"batchIndex\",\"type\":\"uint64\"},{\"internalType\":\"bytes32\",\"name\":\"parentBatchHash\",\"type\":\"bytes32\"},{\"internalType\":\"bytes\",\"name\":\"l2Transactions\",\"type\":\"bytes\"}],\"internalType\":\"structIScrollChain.Batch[]\",\"name\":\"batches\",\"type\":\"tuple[]\"}],\"name\":\"commitBatches\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"batchId\",\"type\":\"bytes32\"},{\"internalType\":\"uint256[]\",\"name\":\"proof\",\"type\":\"uint256[]\"},{\"internalType\":\"uint256[]\",\"name\":\"instances\",\"type\":\"uint256[]\"}],\"name\":\"finalizeBatchWithProof\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"batchHash\",\"type\":\"bytes32\"}],\"name\":\"getL2MessageRoot\",\"outputs\":[{\"internalType\":\"bytes32\",\"name\":\"\",\"type\":\"bytes32\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"batchHash\",\"type\":\"bytes32\"}],\"name\":\"isBatchFinalized\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"batchId\",\"type\":\"bytes32\"}],\"name\":\"revertBatch\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"}]",
+}
+
+// L1ScrollMessengerMetaData contains all meta data concerning the L1ScrollMessenger contract.
+var L1ScrollMessengerMetaData = &bind.MetaData{
+	ABI: "[{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"messageHash\",\"type\":\"bytes32\"}],\"name\":\"FailedRelayedMessage\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"messageHash\",\"type\":\"bytes32\"}],\"name\":\"RelayedMessage\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"sender\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"target\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"value\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"messageNonce\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"gasLimit\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"bytes\",\"name\":\"message\",\"type\":\"bytes\"}],\"name\":\"SentMessage\",\"type\":\"event\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"from\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"value\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"nonce\",\"type\":\"uint256\"},{\"internalType\":\"bytes\",\"name\":\"message\",\"type\":\"bytes\"},{\"components\":[{\"internalType\":\"bytes32\",\"name\":\"batchHash\",\"type\":\"bytes32\"},{\"internalType\":\"bytes\",\"name\":\"merkleProof\",\"type\":\"bytes\"}],\"internalType\":\"structIL1ScrollMessenger.L2MessageProof\",\"name\":\"proof\",\"type\":\"tuple\"}],\"name\":\"relayMessageWithProof\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"from\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"value\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"queueIndex\",\"type\":\"uint256\"},{\"internalType\":\"bytes\",\"name\":\"message\",\"type\":\"bytes\"},{\"internalType\":\"uint32\",\"name\":\"oldGasLimit\",\"type\":\"uint32\"},{\"internalType\":\"uint32\",\"name\":\"newGasLimit\",\"type\":\"uint32\"}],\"name\":\"replayMessage\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"target\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"value\",\"type\":\"uint256\"},{\"internalType\":\"bytes\",\"name\":\"message\",\"type\":\"bytes\"},{\"internalType\":\"uint256\",\"name\":\"gasLimit\",\"type\":\"uint256\"}],\"name\":\"sendMessage\",\"outputs\":[],\"stateMutability\":\"payable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"xDomainMessageSender\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"}]",
+}
+
+// L1MessageQueueMetaData contains all meta data concerning the L1MessageQueue contract.
+var L1MessageQueueMetaData = &bind.MetaData{
+	ABI: "[{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"sender\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"target\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"value\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"queueIndex\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"gasLimit\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"bytes\",\"name\":\"data\",\"type\":\"bytes\"}],\"name\":\"QueueTransaction\",\"type\":\"event\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"target\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"gasLimit\",\"type\":\"uint256\"},{\"internalType\":\"bytes\",\"name\":\"data\",\"type\":\"bytes\"}],\"name\":\"appendCrossDomainMessage\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"sender\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"target\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"value\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"gasLimit\",\"type\":\"uint256\"},{\"internalType\":\"bytes\",\"name\":\"data\",\"type\":\"bytes\"}],\"name\":\"appendEnforcedTransaction\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"sender\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"target\",\"type\":\"address\"},{\"internalType\":\"bytes\",\"name\":\"message\",\"type\":\"bytes\"},{\"internalType\":\"uint256\",\"name\":\"gasLimit\",\"type\":\"uint256\"}],\"name\":\"estimateCrossDomainMessageFee\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"queueIndex\",\"type\":\"uint256\"}],\"name\":\"getCrossDomainMessage\",\"outputs\":[{\"internalType\":\"bytes32\",\"name\":\"\",\"type\":\"bytes32\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"nextCrossDomainMessageIndex\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"}]",
+}
+
+// L2GasPriceOracleMetaData contains all meta data concerning the L2GasPriceOracle contract.
+var L2GasPriceOracleMetaData = &bind.MetaData{
+	ABI: "[{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"l2BaseFee\",\"type\":\"uint256\"}],\"name\":\"L2BaseFeeUpdated\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"previousOwner\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"OwnershipTransferred\",\"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\":\"address\",\"name\":\"\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"},{\"internalType\":\"bytes\",\"name\":\"\",\"type\":\"bytes\"},{\"internalType\":\"uint256\",\"name\":\"_gasLimit\",\"type\":\"uint256\"}],\"name\":\"estimateCrossDomainMessageFee\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"initialize\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"l2BaseFee\",\"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\":\"uint256\",\"name\":\"_l2BaseFee\",\"type\":\"uint256\"}],\"name\":\"setL2BaseFee\",\"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\"}]",
+}
+
+// L2ScrollMessengerMetaData contains all meta data concerning the L2ScrollMessenger contract.
+var L2ScrollMessengerMetaData = &bind.MetaData{
+	ABI: "[{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"messageHash\",\"type\":\"bytes32\"}],\"name\":\"FailedRelayedMessage\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"messageHash\",\"type\":\"bytes32\"}],\"name\":\"RelayedMessage\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"sender\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"target\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"value\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"messageNonce\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"gasLimit\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"bytes\",\"name\":\"message\",\"type\":\"bytes\"}],\"name\":\"SentMessage\",\"type\":\"event\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"from\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"value\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"nonce\",\"type\":\"uint256\"},{\"internalType\":\"bytes\",\"name\":\"message\",\"type\":\"bytes\"}],\"name\":\"relayMessage\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"from\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"value\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"nonce\",\"type\":\"uint256\"},{\"internalType\":\"bytes\",\"name\":\"message\",\"type\":\"bytes\"},{\"components\":[{\"internalType\":\"bytes32\",\"name\":\"blockHash\",\"type\":\"bytes32\"},{\"internalType\":\"bytes\",\"name\":\"stateRootProof\",\"type\":\"bytes\"}],\"internalType\":\"structIL2ScrollMessenger.L1MessageProof\",\"name\":\"proof\",\"type\":\"tuple\"}],\"name\":\"retryMessageWithProof\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"target\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"value\",\"type\":\"uint256\"},{\"internalType\":\"bytes\",\"name\":\"message\",\"type\":\"bytes\"},{\"internalType\":\"uint256\",\"name\":\"gasLimit\",\"type\":\"uint256\"}],\"name\":\"sendMessage\",\"outputs\":[],\"stateMutability\":\"payable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"xDomainMessageSender\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"}]",
+}
+
+// L1BlockContainerMetaData contains all meta data concerning the L1BlockContainer contract.
+var L1BlockContainerMetaData = &bind.MetaData{
+	ABI: "[{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"blockHash\",\"type\":\"bytes32\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"blockHeight\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"blockTimestamp\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"baseFee\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"bytes32\",\"name\":\"stateRoot\",\"type\":\"bytes32\"}],\"name\":\"ImportBlock\",\"type\":\"event\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"blockHash\",\"type\":\"bytes32\"}],\"name\":\"getBlockTimestamp\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"timestamp\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"blockHash\",\"type\":\"bytes32\"}],\"name\":\"getStateRoot\",\"outputs\":[{\"internalType\":\"bytes32\",\"name\":\"stateRoot\",\"type\":\"bytes32\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"blockHash\",\"type\":\"bytes32\"},{\"internalType\":\"bytes\",\"name\":\"blockHeaderRLP\",\"type\":\"bytes\"},{\"internalType\":\"bool\",\"name\":\"updateGasPriceOracle\",\"type\":\"bool\"}],\"name\":\"importBlockHeader\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"latestBaseFee\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"latestBlockHash\",\"outputs\":[{\"internalType\":\"bytes32\",\"name\":\"\",\"type\":\"bytes32\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"latestBlockNumber\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"latestBlockTimestamp\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"}]",
+}
+
+// L2MessageQueueMetaData contains all meta data concerning the L2MessageQueue contract.
+var L2MessageQueueMetaData = &bind.MetaData{
+	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\"}]",
+}
+
+// L1GasPriceOracleMetaData contains all meta data concerning the L1GasPriceOracle contract.
+var L1GasPriceOracleMetaData = &bind.MetaData{
+	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\"},{\"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\"}]",
+}
+
+// IL1ScrollMessengerL2MessageProof is an auto generated low-level Go binding around an user-defined struct.
+type IL1ScrollMessengerL2MessageProof struct {
+	BatchHash   common.Hash
+	MerkleProof []byte
+}
+
+// IScrollChainBatch is an auto generated low-level Go binding around an user-defined struct.
+type IScrollChainBatch struct {
+	Blocks           []IScrollChainBlockContext
+	PrevStateRoot    common.Hash
+	NewStateRoot     common.Hash
+	WithdrawTrieRoot common.Hash
+	BatchIndex       uint64
+	ParentBatchHash  common.Hash
+	L2Transactions   []byte
+}
+
+// IScrollChainBlockContext is an auto generated low-level Go binding around an user-defined struct.
+type IScrollChainBlockContext struct {
+	BlockHash       common.Hash
+	ParentHash      common.Hash
+	BlockNumber     uint64
+	Timestamp       uint64
+	BaseFee         *big.Int
+	GasLimit        uint64
+	NumTransactions uint16
+	NumL1Messages   uint16
+}
+
+// L1CommitBatchEvent represents a CommitBatch event raised by the ScrollChain contract.
+type L1CommitBatchEvent struct {
+	BatchHash common.Hash
+}
+
+// L1FinalizeBatchEvent represents a FinalizeBatch event raised by the ScrollChain contract.
+type L1FinalizeBatchEvent struct {
+	BatchHash common.Hash
+}
+
+// L1RevertBatchEvent represents a RevertBatch event raised by the ScrollChain contract.
+type L1RevertBatchEvent struct {
+	BatchHash common.Hash
+}
+
+// L1QueueTransactionEvent represents a QueueTransaction event raised by the L1MessageQueue contract.
+type L1QueueTransactionEvent struct {
+	Sender     common.Address
+	Target     common.Address
+	Value      *big.Int
+	QueueIndex *big.Int
+	GasLimit   *big.Int
+	Data       []byte
+}
+
+// L1SentMessageEvent represents a SentMessage event raised by the L1ScrollMessenger contract.
+type L1SentMessageEvent struct {
+	Sender       common.Address
+	Target       common.Address
+	Value        *big.Int
+	MessageNonce *big.Int
+	GasLimit     *big.Int
+	Message      []byte
+}
+
+// L1FailedRelayedMessageEvent represents a FailedRelayedMessage event raised by the L1ScrollMessenger contract.
+type L1FailedRelayedMessageEvent struct {
+	MessageHash common.Hash
+}
+
+// L1RelayedMessageEvent represents a RelayedMessage event raised by the L1ScrollMessenger contract.
+type L1RelayedMessageEvent struct {
+	MessageHash common.Hash
+}
+
+// L2AppendMessageEvent represents a AppendMessage event raised by the L2MessageQueue contract.
+type L2AppendMessageEvent struct {
+	Index       *big.Int
+	MessageHash common.Hash
+}
+
+// L2ImportBlockEvent represents a ImportBlock event raised by the L1BlockContainer contract.
+type L2ImportBlockEvent struct {
+	BlockHash      common.Hash
+	BlockHeight    *big.Int
+	BlockTimestamp *big.Int
+	BaseFee        *big.Int
+	StateRoot      common.Hash
+}
+
+// L2SentMessageEvent represents a SentMessage event raised by the L2ScrollMessenger contract.
+type L2SentMessageEvent struct {
+	Sender       common.Address
+	Target       common.Address
+	Value        *big.Int
+	MessageNonce *big.Int
+	GasLimit     *big.Int
+	Message      []byte
+}
+
+// L2FailedRelayedMessageEvent represents a FailedRelayedMessage event raised by the L2ScrollMessenger contract.
+type L2FailedRelayedMessageEvent struct {
+	MessageHash common.Hash
+}
+
+// L2RelayedMessageEvent represents a RelayedMessage event raised by the L2ScrollMessenger contract.
+type L2RelayedMessageEvent struct {
+	MessageHash common.Hash
+}
+
+// GetBatchCalldataLength gets the calldata bytelen of IScrollChainBatch.
+func GetBatchCalldataLength(batch *IScrollChainBatch) uint64 {
+	return uint64(5*32 + len(batch.L2Transactions) + len(batch.Blocks)*8*32)
+}

bridge/internal/abi/bridge_abi_test.go

@@ -0,0 +1,133 @@
+package bridgeabi_test
+
+import (
+	"math/big"
+	"testing"
+
+	"github.com/scroll-tech/go-ethereum/common"
+	"github.com/stretchr/testify/assert"
+
+	bridge_abi "scroll-tech/bridge/abi"
+)
+
+func TestEventSignature(t *testing.T) {
+	assert := assert.New(t)
+
+	assert.Equal(bridge_abi.L1SentMessageEventSignature, common.HexToHash("104371f3b442861a2a7b82a070afbbaab748bb13757bf47769e170e37809ec1e"))
+	assert.Equal(bridge_abi.L1RelayedMessageEventSignature, common.HexToHash("4641df4a962071e12719d8c8c8e5ac7fc4d97b927346a3d7a335b1f7517e133c"))
+	assert.Equal(bridge_abi.L1FailedRelayedMessageEventSignature, common.HexToHash("99d0e048484baa1b1540b1367cb128acd7ab2946d1ed91ec10e3c85e4bf51b8f"))
+
+	assert.Equal(bridge_abi.L1CommitBatchEventSignature, common.HexToHash("2cdc615c74452778c0fb6184735e014c13aad2b62774fe0b09bd1dcc2cc14a62"))
+	assert.Equal(bridge_abi.L1FinalizeBatchEventSignature, common.HexToHash("6be443154c959a7a1645b4392b6fa97d8e8ab6e8fd853d7085e8867083737d79"))
+
+	assert.Equal(bridge_abi.L1QueueTransactionEventSignature, common.HexToHash("bdcc7517f8fe3db6506dfd910942d0bbecaf3d6a506dadea65b0d988e75b9439"))
+
+	assert.Equal(bridge_abi.L2SentMessageEventSignature, common.HexToHash("104371f3b442861a2a7b82a070afbbaab748bb13757bf47769e170e37809ec1e"))
+	assert.Equal(bridge_abi.L2RelayedMessageEventSignature, common.HexToHash("4641df4a962071e12719d8c8c8e5ac7fc4d97b927346a3d7a335b1f7517e133c"))
+	assert.Equal(bridge_abi.L2FailedRelayedMessageEventSignature, common.HexToHash("99d0e048484baa1b1540b1367cb128acd7ab2946d1ed91ec10e3c85e4bf51b8f"))
+
+	assert.Equal(bridge_abi.L2ImportBlockEventSignature, common.HexToHash("a7823f45e1ee21f9530b77959b57507ad515a14fa9fa24d262ee80e79b2b5745"))
+
+	assert.Equal(bridge_abi.L2AppendMessageEventSignature, common.HexToHash("faa617c2d8ce12c62637dbce76efcc18dae60574aa95709bdcedce7e76071693"))
+}
+
+func TestPackRelayL2MessageWithProof(t *testing.T) {
+	assert := assert.New(t)
+	l1MessengerABI, err := bridge_abi.L1ScrollMessengerMetaData.GetAbi()
+	assert.NoError(err)
+
+	proof := bridge_abi.IL1ScrollMessengerL2MessageProof{
+		BatchHash:   common.Hash{},
+		MerkleProof: make([]byte, 0),
+	}
+	_, err = l1MessengerABI.Pack("relayMessageWithProof", common.Address{}, common.Address{}, big.NewInt(0), big.NewInt(0), make([]byte, 0), proof)
+	assert.NoError(err)
+}
+
+func TestPackCommitBatch(t *testing.T) {
+	assert := assert.New(t)
+
+	scrollChainABI, err := bridge_abi.ScrollChainMetaData.GetAbi()
+	assert.NoError(err)
+
+	header := bridge_abi.IScrollChainBlockContext{
+		BlockHash:       common.Hash{},
+		ParentHash:      common.Hash{},
+		BlockNumber:     0,
+		Timestamp:       0,
+		BaseFee:         big.NewInt(0),
+		GasLimit:        0,
+		NumTransactions: 0,
+		NumL1Messages:   0,
+	}
+
+	batch := bridge_abi.IScrollChainBatch{
+		Blocks:           []bridge_abi.IScrollChainBlockContext{header},
+		PrevStateRoot:    common.Hash{},
+		NewStateRoot:     common.Hash{},
+		WithdrawTrieRoot: common.Hash{},
+		BatchIndex:       0,
+		L2Transactions:   make([]byte, 0),
+	}
+
+	_, err = scrollChainABI.Pack("commitBatch", batch)
+	assert.NoError(err)
+}
+
+func TestPackFinalizeBatchWithProof(t *testing.T) {
+	assert := assert.New(t)
+
+	l1RollupABI, err := bridge_abi.ScrollChainMetaData.GetAbi()
+	assert.NoError(err)
+
+	proof := make([]*big.Int, 10)
+	instance := make([]*big.Int, 10)
+	for i := 0; i < 10; i++ {
+		proof[i] = big.NewInt(0)
+		instance[i] = big.NewInt(0)
+	}
+
+	_, err = l1RollupABI.Pack("finalizeBatchWithProof", common.Hash{}, proof, instance)
+	assert.NoError(err)
+}
+
+func TestPackRelayL1Message(t *testing.T) {
+	assert := assert.New(t)
+
+	l2MessengerABI, err := bridge_abi.L2ScrollMessengerMetaData.GetAbi()
+	assert.NoError(err)
+
+	_, err = l2MessengerABI.Pack("relayMessage", common.Address{}, common.Address{}, big.NewInt(0), big.NewInt(0), make([]byte, 0))
+	assert.NoError(err)
+}
+
+func TestPackSetL1BaseFee(t *testing.T) {
+	assert := assert.New(t)
+
+	l1GasOracleABI, err := bridge_abi.L1GasPriceOracleMetaData.GetAbi()
+	assert.NoError(err)
+
+	baseFee := big.NewInt(2333)
+	_, err = l1GasOracleABI.Pack("setL1BaseFee", baseFee)
+	assert.NoError(err)
+}
+
+func TestPackSetL2BaseFee(t *testing.T) {
+	assert := assert.New(t)
+
+	l2GasOracleABI, err := bridge_abi.L2GasPriceOracleMetaData.GetAbi()
+	assert.NoError(err)
+
+	baseFee := big.NewInt(2333)
+	_, err = l2GasOracleABI.Pack("setL2BaseFee", baseFee)
+	assert.NoError(err)
+}
+
+func TestPackImportBlock(t *testing.T) {
+	assert := assert.New(t)
+
+	l1BlockContainerABI := bridge_abi.L1BlockContainerABI
+
+	_, err := l1BlockContainerABI.Pack("importBlockHeader", common.Hash{}, make([]byte, 0), false)
+	assert.NoError(err)
+}

bridge/internal/config/config.go

@@ -0,0 +1,30 @@
+package config
+
+import (
+	"encoding/json"
+	"os"
+	"path/filepath"
+)
+
+// Config load configuration items.
+type Config struct {
+	L1Config *L1Config `json:"l1_config"`
+	L2Config *L2Config `json:"l2_config"`
+	DBConfig *DBConfig `json:"db_config"`
+}
+
+// NewConfig returns a new instance of Config.
+func NewConfig(file string) (*Config, error) {
+	buf, err := os.ReadFile(filepath.Clean(file))
+	if err != nil {
+		return nil, err
+	}
+
+	cfg := &Config{}
+	err = json.Unmarshal(buf, cfg)
+	if err != nil {
+		return nil, err
+	}
+
+	return cfg, nil
+}

bridge/internal/config/config_test.go

@@ -12,18 +12,18 @@ import (
 
 func TestConfig(t *testing.T) {
 	t.Run("Success Case", func(t *testing.T) {
-		cfg, err := NewConfig("../../conf/config.json")
-		assert.NoError(t, err)
+		cfg, err := NewConfig("../config.json")
+		assert.NoError(t, err, "failed to load config")
+
+		assert.Len(t, cfg.L1Config.RelayerConfig.MessageSenderPrivateKeys, 1)
+		assert.Len(t, cfg.L2Config.RelayerConfig.MessageSenderPrivateKeys, 1)
+		assert.Len(t, cfg.L2Config.RelayerConfig.RollupSenderPrivateKeys, 1)
 
 		data, err := json.Marshal(cfg)
 		assert.NoError(t, err)
 
-		tmpJSON := fmt.Sprintf("/tmp/%d_rollup_config.json", time.Now().Nanosecond())
-		defer func() {
-			if _, err = os.Stat(tmpJSON); err == nil {
-				assert.NoError(t, os.Remove(tmpJSON))
-			}
-		}()
+		tmpJSON := fmt.Sprintf("/tmp/%d_bridge_config.json", time.Now().Nanosecond())
+		defer func() { _ = os.Remove(tmpJSON) }()
 
 		assert.NoError(t, os.WriteFile(tmpJSON, data, 0644))
 
@@ -42,17 +42,14 @@ func TestConfig(t *testing.T) {
 
 	t.Run("Invalid JSON Content", func(t *testing.T) {
 		// Create a temporary file with invalid JSON content
-		tmpFile, err := os.CreateTemp("", "invalid_json_config.json")
+		tempFile, err := os.CreateTemp("", "invalid_json_config.json")
 		assert.NoError(t, err)
-		defer func() {
-			assert.NoError(t, tmpFile.Close())
-			assert.NoError(t, os.Remove(tmpFile.Name()))
-		}()
+		defer os.Remove(tempFile.Name())
 
-		_, err = tmpFile.WriteString("{ invalid_json: ")
+		_, err = tempFile.WriteString("{ invalid_json: ")
 		assert.NoError(t, err)
 
-		_, err = NewConfig(tmpFile.Name())
+		_, err = NewConfig(tempFile.Name())
 		assert.Error(t, err)
 	})
 }

bridge/internal/config/db.go

@@ -0,0 +1,37 @@
+package config
+
+import (
+	"encoding/json"
+	"os"
+	"path/filepath"
+	"time"
+)
+
+// DBConfig db config
+type DBConfig struct {
+	// data source name
+	DSN        string `json:"dsn"`
+	DriverName string `json:"driver_name"`
+
+	MaxOpenNum int `json:"maxOpenNum"`
+	MaxIdleNum int `json:"maxIdleNum"`
+
+	SlowSqlThreshold time.Duration `json:"slow_sql_threshold"`
+	ShowSql          bool          `json:"show_sql"`
+}
+
+// NewDBConfig returns a new instance of Config.
+func NewDBConfig(file string) (*DBConfig, error) {
+	buf, err := os.ReadFile(filepath.Clean(file))
+	if err != nil {
+		return nil, err
+	}
+
+	cfg := &DBConfig{}
+	err = json.Unmarshal(buf, cfg)
+	if err != nil {
+		return nil, err
+	}
+
+	return cfg, nil
+}

bridge/internal/config/l1_config.go

@@ -13,6 +13,8 @@ type L1Config struct {
 	Endpoint string `json:"endpoint"`
 	// The start height to sync event from layer 1
 	StartHeight uint64 `json:"start_height"`
+	// The L1ScrollMessenger contract address deployed on layer 1 chain.
+	L1MessengerAddress common.Address `json:"l1_messenger_address"`
 	// The L1MessageQueue contract address deployed on layer 1 chain.
 	L1MessageQueueAddress common.Address `json:"l1_message_queue_address"`
 	// The ScrollChain contract address deployed on layer 1 chain.

bridge/internal/config/l2_config.go

@@ -0,0 +1,49 @@
+package config
+
+import (
+	"github.com/scroll-tech/go-ethereum/rpc"
+
+	"github.com/scroll-tech/go-ethereum/common"
+
+	"scroll-tech/bridge/internal/types"
+)
+
+// L2Config loads l2geth configuration items.
+type L2Config struct {
+	// Confirmations block height confirmations number.
+	Confirmations rpc.BlockNumber `json:"confirmations"`
+	// l2geth node url.
+	Endpoint string `json:"endpoint"`
+	// The messenger contract address deployed on layer 2 chain.
+	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
+	BatchProposerConfig *BatchProposerConfig `json:"batch_proposer_config"`
+}
+
+// BatchProposerConfig loads l2watcher batch_proposer configuration items.
+type BatchProposerConfig struct {
+	// Proof generation frequency, generating proof every k blocks
+	ProofGenerationFreq uint64 `json:"proof_generation_freq"`
+	// Txnum threshold in a batch
+	BatchTxNumThreshold uint64 `json:"batch_tx_num_threshold"`
+	// Gas threshold in a batch
+	BatchGasThreshold uint64 `json:"batch_gas_threshold"`
+	// Time waited to generate a batch even if gas_threshold not met
+	BatchTimeSec uint64 `json:"batch_time_sec"`
+	// Time waited to commit batches before the calldata met CommitTxCalldataSizeLimit
+	BatchCommitTimeSec uint64 `json:"batch_commit_time_sec"`
+	// Max number of blocks in a batch
+	BatchBlocksLimit uint64 `json:"batch_blocks_limit"`
+	// Commit tx calldata size limit in bytes, target to cap the gas use of commit tx at 2M gas
+	CommitTxCalldataSizeLimit uint64 `json:"commit_tx_calldata_size_limit"`
+	// Commit tx calldata min size limit in bytes
+	CommitTxCalldataMinSize uint64 `json:"commit_tx_calldata_min_size,omitempty"`
+	// The public input hash config
+	PublicInputConfig *types.PublicInputHashConfig `json:"public_input_config"`
+}

bridge/internal/config/relayer_config.go

@@ -0,0 +1,146 @@
+package config
+
+import (
+	"crypto/ecdsa"
+	"encoding/json"
+	"fmt"
+	"math/big"
+
+	"github.com/scroll-tech/go-ethereum/common"
+	"github.com/scroll-tech/go-ethereum/crypto"
+	"github.com/scroll-tech/go-ethereum/rpc"
+)
+
+// SenderConfig The config for transaction sender
+type SenderConfig struct {
+	// The RPC endpoint of the ethereum or scroll public node.
+	Endpoint string `json:"endpoint"`
+	// The time to trigger check pending txs in sender.
+	CheckPendingTime uint64 `json:"check_pending_time"`
+	// The number of blocks to wait to escalate increase gas price of the transaction.
+	EscalateBlocks uint64 `json:"escalate_blocks"`
+	// The gap number between a block be confirmed and the latest block.
+	Confirmations rpc.BlockNumber `json:"confirmations"`
+	// The numerator of gas price escalate multiple.
+	EscalateMultipleNum uint64 `json:"escalate_multiple_num"`
+	// The denominator of gas price escalate multiple.
+	EscalateMultipleDen uint64 `json:"escalate_multiple_den"`
+	// The maximum gas price can be used to send transaction.
+	MaxGasPrice uint64 `json:"max_gas_price"`
+	// The transaction type to use: LegacyTx, AccessListTx, DynamicFeeTx
+	TxType string `json:"tx_type"`
+	// The min balance set for check and set balance for sender's accounts.
+	MinBalance *big.Int `json:"min_balance"`
+	// 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.
+// What we need to pay attention to is that
+// `MessageSenderPrivateKeys` and `RollupSenderPrivateKeys` cannot have common private keys.
+type RelayerConfig struct {
+	// RollupContractAddress store the rollup contract address.
+	RollupContractAddress common.Address `json:"rollup_contract_address,omitempty"`
+	// MessengerContractAddress store the scroll messenger contract address.
+	MessengerContractAddress common.Address `json:"messenger_contract_address"`
+	// GasPriceOracleContractAddress store the scroll messenger contract address.
+	GasPriceOracleContractAddress common.Address `json:"gas_price_oracle_contract_address"`
+	// sender config
+	SenderConfig *SenderConfig `json:"sender_config"`
+	// gas oracle config
+	GasOracleConfig *GasOracleConfig `json:"gas_oracle_config"`
+	// The interval in which we send finalize batch transactions.
+	FinalizeBatchIntervalSec uint64 `json:"finalize_batch_interval_sec"`
+	// MessageRelayMinGasLimit to avoid OutOfGas error
+	MessageRelayMinGasLimit uint64 `json:"message_relay_min_gas_limit,omitempty"`
+	// The private key of the relayer
+	MessageSenderPrivateKeys   []*ecdsa.PrivateKey `json:"-"`
+	GasOracleSenderPrivateKeys []*ecdsa.PrivateKey `json:"-"`
+	RollupSenderPrivateKeys    []*ecdsa.PrivateKey `json:"-"`
+}
+
+// GasOracleConfig The config for updating gas price oracle.
+type GasOracleConfig struct {
+	// MinGasPrice store the minimum gas price to set.
+	MinGasPrice uint64 `json:"min_gas_price"`
+	// GasPriceDiff store the percentage of gas price difference.
+	GasPriceDiff uint64 `json:"gas_price_diff"`
+}
+
+// relayerConfigAlias RelayerConfig alias name
+type relayerConfigAlias RelayerConfig
+
+// UnmarshalJSON unmarshal relayer_config struct.
+func (r *RelayerConfig) UnmarshalJSON(input []byte) error {
+	var jsonConfig struct {
+		relayerConfigAlias
+		// The private key of the relayer
+		MessageSenderPrivateKeys   []string `json:"message_sender_private_keys"`
+		GasOracleSenderPrivateKeys []string `json:"gas_oracle_sender_private_keys"`
+		RollupSenderPrivateKeys    []string `json:"rollup_sender_private_keys,omitempty"`
+	}
+	if err := json.Unmarshal(input, &jsonConfig); err != nil {
+		return err
+	}
+
+	*r = RelayerConfig(jsonConfig.relayerConfigAlias)
+
+	// Get messenger private key list.
+	for _, privStr := range jsonConfig.MessageSenderPrivateKeys {
+		priv, err := crypto.ToECDSA(common.FromHex(privStr))
+		if err != nil {
+			return fmt.Errorf("incorrect private_key_list format, err: %v", err)
+		}
+		r.MessageSenderPrivateKeys = append(r.MessageSenderPrivateKeys, priv)
+	}
+
+	// Get gas oracle private key list.
+	for _, privStr := range jsonConfig.GasOracleSenderPrivateKeys {
+		priv, err := crypto.ToECDSA(common.FromHex(privStr))
+		if err != nil {
+			return fmt.Errorf("incorrect private_key_list format, err: %v", err)
+		}
+		r.GasOracleSenderPrivateKeys = append(r.GasOracleSenderPrivateKeys, priv)
+	}
+
+	// Get rollup private key
+	for _, privStr := range jsonConfig.RollupSenderPrivateKeys {
+		priv, err := crypto.ToECDSA(common.FromHex(privStr))
+		if err != nil {
+			return fmt.Errorf("incorrect roller_private_key format, err: %v", err)
+		}
+		r.RollupSenderPrivateKeys = append(r.RollupSenderPrivateKeys, priv)
+	}
+
+	return nil
+}
+
+// MarshalJSON marshal RelayerConfig config, transfer private keys.
+func (r *RelayerConfig) MarshalJSON() ([]byte, error) {
+	jsonConfig := struct {
+		relayerConfigAlias
+		// The private key of the relayer
+		MessageSenderPrivateKeys   []string `json:"message_sender_private_keys"`
+		GasOracleSenderPrivateKeys []string `json:"gas_oracle_sender_private_keys,omitempty"`
+		RollupSenderPrivateKeys    []string `json:"rollup_sender_private_keys,omitempty"`
+	}{relayerConfigAlias(*r), nil, nil, nil}
+
+	// Transfer message sender private keys to hex type.
+	for _, priv := range r.MessageSenderPrivateKeys {
+		jsonConfig.MessageSenderPrivateKeys = append(jsonConfig.MessageSenderPrivateKeys, common.Bytes2Hex(crypto.FromECDSA(priv)))
+	}
+
+	// Transfer rollup sender private keys to hex type.
+	for _, priv := range r.GasOracleSenderPrivateKeys {
+		jsonConfig.GasOracleSenderPrivateKeys = append(jsonConfig.GasOracleSenderPrivateKeys, common.Bytes2Hex(crypto.FromECDSA(priv)))
+	}
+
+	// Transfer rollup sender private keys to hex type.
+	for _, priv := range r.RollupSenderPrivateKeys {
+		jsonConfig.RollupSenderPrivateKeys = append(jsonConfig.RollupSenderPrivateKeys, common.Bytes2Hex(crypto.FromECDSA(priv)))
+	}
+
+	return json.Marshal(&jsonConfig)
+}

bridge/internal/controller/relayer/l1_relayer.go

@@ -0,0 +1,248 @@
+package relayer
+
+import (
+	"context"
+	"errors"
+	"math/big"
+
+	// not sure if this will make problems when relay with l1geth
+	"github.com/scroll-tech/go-ethereum/accounts/abi"
+	"github.com/scroll-tech/go-ethereum/common"
+	"github.com/scroll-tech/go-ethereum/crypto"
+	"github.com/scroll-tech/go-ethereum/log"
+	gethMetrics "github.com/scroll-tech/go-ethereum/metrics"
+	"gorm.io/gorm"
+
+	"scroll-tech/common/metrics"
+	"scroll-tech/common/types"
+
+	bridgeAbi "scroll-tech/bridge/internal/abi"
+	"scroll-tech/bridge/internal/config"
+	"scroll-tech/bridge/internal/controller/sender"
+	"scroll-tech/bridge/internal/orm"
+)
+
+var (
+	bridgeL1MsgsRelayedTotalCounter          = gethMetrics.NewRegisteredCounter("bridge/l1/msgs/relayed/total", metrics.ScrollRegistry)
+	bridgeL1MsgsRelayedConfirmedTotalCounter = gethMetrics.NewRegisteredCounter("bridge/l1/msgs/relayed/confirmed/total", metrics.ScrollRegistry)
+)
+
+// Layer1Relayer is responsible for
+//  1. fetch pending L1Message from db
+//  2. relay pending message to layer 2 node
+//
+// Actions are triggered by new head from layer 1 geth node.
+// @todo It's better to be triggered by watcher.
+type Layer1Relayer struct {
+	ctx context.Context
+
+	cfg *config.RelayerConfig
+
+	// channel used to communicate with transaction sender
+	messageSender  *sender.Sender
+	l2MessengerABI *abi.ABI
+
+	gasOracleSender *sender.Sender
+	l1GasOracleABI  *abi.ABI
+
+	minGasLimitForMessageRelay uint64
+
+	lastGasPrice uint64
+	minGasPrice  uint64
+	gasPriceDiff uint64
+
+	l1MessageOrm *orm.L1Message
+	l1Block      *orm.L1Block
+}
+
+// NewLayer1Relayer will return a new instance of Layer1RelayerClient
+func NewLayer1Relayer(ctx context.Context, db *gorm.DB, cfg *config.RelayerConfig) (*Layer1Relayer, error) {
+	messageSender, err := sender.NewSender(ctx, cfg.SenderConfig, cfg.MessageSenderPrivateKeys)
+	if err != nil {
+		addr := crypto.PubkeyToAddress(cfg.MessageSenderPrivateKeys[0].PublicKey)
+		log.Error("new MessageSender failed", "main address", addr.String(), "err", err)
+		return nil, err
+	}
+
+	// @todo make sure only one sender is available
+	gasOracleSender, err := sender.NewSender(ctx, cfg.SenderConfig, cfg.GasOracleSenderPrivateKeys)
+	if err != nil {
+		addr := crypto.PubkeyToAddress(cfg.GasOracleSenderPrivateKeys[0].PublicKey)
+		log.Error("new GasOracleSender failed", "main address", addr.String(), "err", err)
+		return nil, err
+	}
+
+	var minGasPrice uint64
+	var gasPriceDiff uint64
+	if cfg.GasOracleConfig != nil {
+		minGasPrice = cfg.GasOracleConfig.MinGasPrice
+		gasPriceDiff = cfg.GasOracleConfig.GasPriceDiff
+	} else {
+		minGasPrice = 0
+		gasPriceDiff = defaultGasPriceDiff
+	}
+
+	minGasLimitForMessageRelay := uint64(defaultL1MessageRelayMinGasLimit)
+	if cfg.MessageRelayMinGasLimit != 0 {
+		minGasLimitForMessageRelay = cfg.MessageRelayMinGasLimit
+	}
+
+	l1Relayer := &Layer1Relayer{
+		cfg:          cfg,
+		ctx:          ctx,
+		l1MessageOrm: orm.NewL1Message(db),
+		l1Block:      orm.NewL1Block(db),
+
+		messageSender:  messageSender,
+		l2MessengerABI: bridgeAbi.L2ScrollMessengerABI,
+
+		gasOracleSender: gasOracleSender,
+		l1GasOracleABI:  bridgeAbi.L1GasPriceOracleABI,
+
+		minGasLimitForMessageRelay: minGasLimitForMessageRelay,
+
+		minGasPrice:  minGasPrice,
+		gasPriceDiff: gasPriceDiff,
+	}
+
+	go l1Relayer.handleConfirmLoop(ctx)
+	return l1Relayer, nil
+}
+
+// ProcessSavedEvents relays saved un-processed cross-domain transactions to desired blockchain
+func (r *Layer1Relayer) ProcessSavedEvents() {
+	// msgs are sorted by nonce in increasing order
+	msgs, err := r.l1MessageOrm.GetL1MessagesByStatus(types.MsgPending, 100)
+	if err != nil {
+		log.Error("Failed to fetch unprocessed L1 messages", "err", err)
+		return
+	}
+
+	if len(msgs) > 0 {
+		log.Info("Processing L1 messages", "count", len(msgs))
+	}
+
+	for _, msg := range msgs {
+		if err = r.processSavedEvent(&msg); err != nil {
+			if !errors.Is(err, sender.ErrNoAvailableAccount) && !errors.Is(err, sender.ErrFullPending) {
+				log.Error("failed to process event", "msg.msgHash", msg.MsgHash, "err", err)
+			}
+			return
+		}
+	}
+}
+
+func (r *Layer1Relayer) processSavedEvent(msg *orm.L1Message) error {
+	calldata := common.Hex2Bytes(msg.Calldata)
+	hash, err := r.messageSender.SendTransaction(msg.MsgHash, &r.cfg.MessengerContractAddress, big.NewInt(0), calldata, r.minGasLimitForMessageRelay)
+	if err != nil && errors.Is(err, ErrExecutionRevertedMessageExpired) {
+		return r.l1MessageOrm.UpdateLayer1Status(r.ctx, msg.MsgHash, types.MsgExpired)
+	}
+
+	if err != nil && errors.Is(err, ErrExecutionRevertedAlreadySuccessExecuted) {
+		return r.l1MessageOrm.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.l1MessageOrm.UpdateLayer1StatusAndLayer2Hash(r.ctx, msg.MsgHash, types.MsgSubmitted, hash.String())
+	if err != nil {
+		log.Error("UpdateLayer1StatusAndLayer2Hash failed", "msg.msgHash", msg.MsgHash, "msg.height", msg.Height, "err", err)
+	}
+	return err
+}
+
+// ProcessGasPriceOracle imports gas price to layer2
+func (r *Layer1Relayer) ProcessGasPriceOracle() {
+	latestBlockHeight, err := r.l1Block.GetLatestL1BlockHeight()
+	if err != nil {
+		log.Warn("Failed to fetch latest L1 block height from db", "err", err)
+		return
+	}
+
+	blocks, err := r.l1Block.GetL1BlockInfos(map[string]interface{}{
+		"number": latestBlockHeight,
+	})
+	if err != nil {
+		log.Error("Failed to GetL1BlockInfos from db", "height", latestBlockHeight, "err", err)
+		return
+	}
+	if len(blocks) != 1 {
+		log.Error("Block not exist", "height", latestBlockHeight)
+		return
+	}
+	block := blocks[0]
+
+	if types.GasOracleStatus(block.GasOracleStatus) == types.GasOraclePending {
+		expectedDelta := r.lastGasPrice * r.gasPriceDiff / gasPriceDiffPrecision
+		// last is undefine or (block.BaseFee >= minGasPrice && exceed diff)
+		if r.lastGasPrice == 0 || (block.BaseFee >= r.minGasPrice && (block.BaseFee >= r.lastGasPrice+expectedDelta || block.BaseFee <= r.lastGasPrice-expectedDelta)) {
+			baseFee := big.NewInt(int64(block.BaseFee))
+			data, err := r.l1GasOracleABI.Pack("setL1BaseFee", baseFee)
+			if err != nil {
+				log.Error("Failed to pack setL1BaseFee", "block.Hash", block.Hash, "block.Height", block.Number, "block.BaseFee", block.BaseFee, "err", err)
+				return
+			}
+
+			hash, err := r.gasOracleSender.SendTransaction(block.Hash, &r.cfg.GasPriceOracleContractAddress, big.NewInt(0), data, 0)
+			if err != nil {
+				if !errors.Is(err, sender.ErrNoAvailableAccount) && !errors.Is(err, sender.ErrFullPending) {
+					log.Error("Failed to send setL1BaseFee tx to layer2 ", "block.Hash", block.Hash, "block.Height", block.Number, "err", err)
+				}
+				return
+			}
+
+			err = r.l1Block.UpdateL1GasOracleStatusAndOracleTxHash(r.ctx, block.Hash, types.GasOracleImporting, hash.String())
+			if err != nil {
+				log.Error("UpdateGasOracleStatusAndOracleTxHash failed", "block.Hash", block.Hash, "block.Height", block.Number, "err", err)
+				return
+			}
+			r.lastGasPrice = block.BaseFee
+			log.Info("Update l1 base fee", "txHash", hash.String(), "baseFee", baseFee)
+		}
+	}
+}
+
+func (r *Layer1Relayer) handleConfirmLoop(ctx context.Context) {
+	for {
+		select {
+		case <-ctx.Done():
+			return
+		case cfm := <-r.messageSender.ConfirmChan():
+			bridgeL1MsgsRelayedConfirmedTotalCounter.Inc(1)
+			if !cfm.IsSuccessful {
+				err := r.l1MessageOrm.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.l1MessageOrm.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.l1Block.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.l1Block.UpdateL1GasOracleStatusAndOracleTxHash(r.ctx, cfm.ID, types.GasOracleImported, cfm.TxHash.String())
+				if err != nil {
+					log.Warn("UpdateGasOracleStatusAndOracleTxHash failed", "err", err)
+				}
+				log.Info("transaction confirmed in layer2", "confirmation", cfm)
+			}
+		}
+	}
+}

bridge/internal/controller/relayer/l1_relayer_test.go

@@ -0,0 +1,155 @@
+package relayer
+
+import (
+	"context"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"gorm.io/gorm"
+
+	"scroll-tech/common/types"
+	"scroll-tech/common/utils"
+
+	"scroll-tech/bridge/internal/controller/sender"
+	"scroll-tech/bridge/internal/orm"
+	"scroll-tech/bridge/internal/orm/migrate"
+	bridgeUtils "scroll-tech/bridge/internal/utils"
+)
+
+var (
+	templateL1Message = []*orm.L1Message{
+		{
+			QueueIndex: 1,
+			MsgHash:    "msg_hash1",
+			Height:     1,
+			Sender:     "0x596a746661dbed76a84556111c2872249b070e15",
+			Value:      "0x19ece",
+			GasLimit:   11529940,
+			Target:     "0x2c73620b223808297ea734d946813f0dd78eb8f7",
+			Calldata:   "testdata",
+			Layer1Hash: "hash0",
+		},
+		{
+			QueueIndex: 2,
+			MsgHash:    "msg_hash2",
+			Height:     2,
+			Sender:     "0x596a746661dbed76a84556111c2872249b070e15",
+			Value:      "0x19ece",
+			GasLimit:   11529940,
+			Target:     "0x2c73620b223808297ea734d946813f0dd78eb8f7",
+			Calldata:   "testdata",
+			Layer1Hash: "hash1",
+		},
+	}
+)
+
+func setupL1RelayerDB(t *testing.T) *gorm.DB {
+	db, err := bridgeUtils.InitDB(cfg.DBConfig)
+	assert.NoError(t, err)
+	sqlDB, err := db.DB()
+	assert.NoError(t, err)
+	assert.NoError(t, migrate.ResetDB(sqlDB))
+	return db
+}
+
+// testCreateNewRelayer test create new relayer instance and stop
+func testCreateNewL1Relayer(t *testing.T) {
+	db := setupL1RelayerDB(t)
+	defer bridgeUtils.CloseDB(db)
+	relayer, err := NewLayer1Relayer(context.Background(), db, cfg.L2Config.RelayerConfig)
+	assert.NoError(t, err)
+	assert.NotNil(t, relayer)
+}
+
+func testL1RelayerProcessSaveEvents(t *testing.T) {
+	db := setupL1RelayerDB(t)
+	defer bridgeUtils.CloseDB(db)
+	l1MessageOrm := orm.NewL1Message(db)
+	l1Cfg := cfg.L1Config
+	relayer, err := NewLayer1Relayer(context.Background(), db, l1Cfg.RelayerConfig)
+	assert.NoError(t, err)
+	assert.NoError(t, l1MessageOrm.SaveL1Messages(context.Background(), templateL1Message))
+	relayer.ProcessSavedEvents()
+	msg1, err := l1MessageOrm.GetL1MessageByQueueIndex(1)
+	assert.NoError(t, err)
+	assert.Equal(t, msg1.Status, types.MsgSubmitted)
+	msg2, err := l1MessageOrm.GetL1MessageByQueueIndex(2)
+	assert.NoError(t, err)
+	assert.Equal(t, msg2.Status, types.MsgSubmitted)
+}
+
+func testL1RelayerMsgConfirm(t *testing.T) {
+	db := setupL1RelayerDB(t)
+	defer bridgeUtils.CloseDB(db)
+	l1MessageOrm := orm.NewL1Message(db)
+	l1Messages := []*orm.L1Message{
+		{MsgHash: "msg-1", QueueIndex: 0},
+		{MsgHash: "msg-2", QueueIndex: 1},
+	}
+	err := l1MessageOrm.SaveL1Messages(context.Background(), l1Messages)
+	assert.NoError(t, err)
+	// Create and set up the Layer1 Relayer.
+	l1Cfg := cfg.L1Config
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+	l1Relayer, err := NewLayer1Relayer(ctx, db, l1Cfg.RelayerConfig)
+	assert.NoError(t, err)
+
+	// Simulate message confirmations.
+	l1Relayer.messageSender.SendConfirmation(&sender.Confirmation{
+		ID:           "msg-1",
+		IsSuccessful: true,
+	})
+	l1Relayer.messageSender.SendConfirmation(&sender.Confirmation{
+		ID:           "msg-2",
+		IsSuccessful: false,
+	})
+
+	// Check the database for the updated status using TryTimes.
+	ok := utils.TryTimes(5, func() bool {
+		msg1, err1 := l1MessageOrm.GetL1MessageByMsgHash("msg-1")
+		msg2, err2 := l1MessageOrm.GetL1MessageByMsgHash("msg-2")
+		return err1 == nil && types.MsgStatus(msg1.Status) == types.MsgConfirmed &&
+			err2 == nil && types.MsgStatus(msg2.Status) == types.MsgRelayFailed
+	})
+	assert.True(t, ok)
+}
+
+func testL1RelayerGasOracleConfirm(t *testing.T) {
+	db := setupL1RelayerDB(t)
+	defer bridgeUtils.CloseDB(db)
+	l1BlockOrm := orm.NewL1Block(db)
+
+	l1Block := []orm.L1Block{
+		{Hash: "gas-oracle-1", Number: 0},
+		{Hash: "gas-oracle-2", Number: 1},
+	}
+	// Insert test data.
+	assert.NoError(t, l1BlockOrm.InsertL1Blocks(context.Background(), l1Block))
+
+	// Create and set up the Layer2 Relayer.
+	l1Cfg := cfg.L1Config
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+	l1Relayer, err := NewLayer1Relayer(ctx, db, l1Cfg.RelayerConfig)
+	assert.NoError(t, err)
+
+	// Simulate message confirmations.
+	l1Relayer.gasOracleSender.SendConfirmation(&sender.Confirmation{
+		ID:           "gas-oracle-1",
+		IsSuccessful: true,
+	})
+	l1Relayer.gasOracleSender.SendConfirmation(&sender.Confirmation{
+		ID:           "gas-oracle-2",
+		IsSuccessful: false,
+	})
+
+	// Check the database for the updated status using TryTimes.
+	ok := utils.TryTimes(5, func() bool {
+		msg1, err1 := l1BlockOrm.GetL1BlockInfos(map[string]interface{}{"hash": "gas-oracle-1"})
+		msg2, err2 := l1BlockOrm.GetL1BlockInfos(map[string]interface{}{"hash": "gas-oracle-2"})
+		return err1 == nil && len(msg1) == 1 && types.GasOracleStatus(msg1[0].GasOracleStatus) == types.GasOracleImported &&
+			err2 == nil && len(msg2) == 1 && types.GasOracleStatus(msg2[0].GasOracleStatus) == types.GasOracleFailed
+	})
+	assert.True(t, ok)
+}

bridge/internal/controller/relayer/l2_relayer.go

@@ -0,0 +1,602 @@
+package relayer
+
+import (
+	"context"
+	"errors"
+	"gorm.io/gorm"
+	"math/big"
+	"runtime"
+	"scroll-tech/bridge/internal/orm"
+	"sync"
+
+	"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"
+	gethMetrics "github.com/scroll-tech/go-ethereum/metrics"
+	"golang.org/x/sync/errgroup"
+	"modernc.org/mathutil"
+
+	"scroll-tech/common/metrics"
+	"scroll-tech/common/types"
+
+	bridgeAbi "scroll-tech/bridge/internal/abi"
+	"scroll-tech/bridge/internal/config"
+	"scroll-tech/bridge/internal/controller/sender"
+	bridgeTypes "scroll-tech/bridge/internal/types"
+	"scroll-tech/bridge/internal/utils"
+)
+
+var (
+	bridgeL2MsgsRelayedTotalCounter               = gethMetrics.NewRegisteredCounter("bridge/l2/msgs/relayed/total", metrics.ScrollRegistry)
+	bridgeL2BatchesFinalizedTotalCounter          = gethMetrics.NewRegisteredCounter("bridge/l2/batches/finalized/total", metrics.ScrollRegistry)
+	bridgeL2BatchesCommittedTotalCounter          = gethMetrics.NewRegisteredCounter("bridge/l2/batches/committed/total", metrics.ScrollRegistry)
+	bridgeL2MsgsRelayedConfirmedTotalCounter      = gethMetrics.NewRegisteredCounter("bridge/l2/msgs/relayed/confirmed/total", metrics.ScrollRegistry)
+	bridgeL2BatchesFinalizedConfirmedTotalCounter = gethMetrics.NewRegisteredCounter("bridge/l2/batches/finalized/confirmed/total", metrics.ScrollRegistry)
+	bridgeL2BatchesCommittedConfirmedTotalCounter = gethMetrics.NewRegisteredCounter("bridge/l2/batches/committed/confirmed/total", metrics.ScrollRegistry)
+	bridgeL2BatchesSkippedTotalCounter            = gethMetrics.NewRegisteredCounter("bridge/l2/batches/skipped/total", metrics.ScrollRegistry)
+)
+
+// Layer2Relayer is responsible for
+//  1. Committing and finalizing L2 blocks on L1
+//  2. Relaying messages from L2 to L1
+//
+// Actions are triggered by new head from layer 1 geth node.
+// @todo It's better to be triggered by watcher.
+type Layer2Relayer struct {
+	ctx context.Context
+
+	l2Client *ethclient.Client
+
+	blockBatchOrm *orm.BlockBatch
+	blockTraceOrm *orm.BlockTrace
+	l2MessageOrm  *orm.L2Message
+
+	cfg *config.RelayerConfig
+
+	messageSender  *sender.Sender
+	l1MessengerABI *abi.ABI
+
+	rollupSender *sender.Sender
+	l1RollupABI  *abi.ABI
+
+	gasOracleSender *sender.Sender
+	l2GasOracleABI  *abi.ABI
+
+	minGasLimitForMessageRelay uint64
+
+	lastGasPrice uint64
+	minGasPrice  uint64
+	gasPriceDiff uint64
+
+	// A list of processing message.
+	// key(string): confirmation ID, value(string): layer2 hash.
+	processingMessage sync.Map
+
+	// A list of processing batches commitment.
+	// key(string): confirmation ID, value([]string): batch hashes.
+	processingBatchesCommitment sync.Map
+
+	// A list of processing batch finalization.
+	// key(string): confirmation ID, value(string): batch hash.
+	processingFinalization sync.Map
+}
+
+// NewLayer2Relayer will return a new instance of Layer2RelayerClient
+func NewLayer2Relayer(ctx context.Context, l2Client *ethclient.Client, db *gorm.DB, cfg *config.RelayerConfig) (*Layer2Relayer, error) {
+	// @todo use different sender for relayer, block commit and proof finalize
+	messageSender, err := sender.NewSender(ctx, cfg.SenderConfig, cfg.MessageSenderPrivateKeys)
+	if err != nil {
+		log.Error("Failed to create messenger sender", "err", err)
+		return nil, err
+	}
+
+	rollupSender, err := sender.NewSender(ctx, cfg.SenderConfig, cfg.RollupSenderPrivateKeys)
+	if err != nil {
+		log.Error("Failed to create rollup sender", "err", err)
+		return nil, err
+	}
+
+	gasOracleSender, err := sender.NewSender(ctx, cfg.SenderConfig, cfg.GasOracleSenderPrivateKeys)
+	if err != nil {
+		log.Error("Failed to create gas oracle sender", "err", err)
+		return nil, err
+	}
+
+	var minGasPrice uint64
+	var gasPriceDiff uint64
+	if cfg.GasOracleConfig != nil {
+		minGasPrice = cfg.GasOracleConfig.MinGasPrice
+		gasPriceDiff = cfg.GasOracleConfig.GasPriceDiff
+	} else {
+		minGasPrice = 0
+		gasPriceDiff = defaultGasPriceDiff
+	}
+
+	minGasLimitForMessageRelay := uint64(defaultL2MessageRelayMinGasLimit)
+	if cfg.MessageRelayMinGasLimit != 0 {
+		minGasLimitForMessageRelay = cfg.MessageRelayMinGasLimit
+	}
+
+	layer2Relayer := &Layer2Relayer{
+		ctx: ctx,
+
+		blockBatchOrm: orm.NewBlockBatch(db),
+		l2MessageOrm:  orm.NewL2Message(db),
+		blockTraceOrm: orm.NewBlockTrace(db),
+
+		l2Client: l2Client,
+
+		messageSender:  messageSender,
+		l1MessengerABI: bridgeAbi.L1ScrollMessengerABI,
+
+		rollupSender: rollupSender,
+		l1RollupABI:  bridgeAbi.ScrollChainABI,
+
+		gasOracleSender: gasOracleSender,
+		l2GasOracleABI:  bridgeAbi.L2GasPriceOracleABI,
+
+		minGasLimitForMessageRelay: minGasLimitForMessageRelay,
+
+		minGasPrice:  minGasPrice,
+		gasPriceDiff: gasPriceDiff,
+
+		cfg:                         cfg,
+		processingMessage:           sync.Map{},
+		processingBatchesCommitment: sync.Map{},
+		processingFinalization:      sync.Map{},
+	}
+	go layer2Relayer.handleConfirmLoop(ctx)
+	return layer2Relayer, nil
+}
+
+const processMsgLimit = 100
+
+// ProcessSavedEvents relays saved un-processed cross-domain transactions to desired blockchain
+func (r *Layer2Relayer) ProcessSavedEvents() {
+	batch, err := r.blockBatchOrm.GetLatestBatchByRollupStatus([]types.RollupStatus{types.RollupFinalized})
+	if err != nil {
+		log.Error("GetLatestFinalizedBatch failed", "err", err)
+		return
+	}
+
+	// msgs are sorted by nonce in increasing order
+	fields := map[string]interface{}{
+		"status":   types.MsgPending,
+		"height<=": batch.EndBlockNumber,
+	}
+	orderByList := []string{
+		"nonce ASC",
+	}
+	limit := processMsgLimit
+
+	msgs, err := r.l2MessageOrm.GetL2Messages(fields, orderByList, limit)
+	if err != nil {
+		log.Error("Failed to fetch unprocessed L2 messages", "err", err)
+		return
+	}
+
+	// process messages in batches
+	batchSize := mathutil.Min((runtime.GOMAXPROCS(0)+1)/2, r.messageSender.NumberOfAccounts())
+	for size := 0; len(msgs) > 0; msgs = msgs[size:] {
+		if size = len(msgs); size > batchSize {
+			size = batchSize
+		}
+		var g errgroup.Group
+		for _, msg := range msgs[:size] {
+			msg := msg
+			g.Go(func() error {
+				return r.processSavedEvent(&msg)
+			})
+		}
+		if err := g.Wait(); err != nil {
+			if !errors.Is(err, sender.ErrNoAvailableAccount) && !errors.Is(err, sender.ErrFullPending) {
+				log.Error("failed to process l2 saved event", "err", err)
+			}
+			return
+		}
+	}
+}
+
+func (r *Layer2Relayer) processSavedEvent(msg *orm.L2Message) error {
+	// @todo fetch merkle proof from l2geth
+	log.Info("Processing L2 Message", "msg.nonce", msg.Nonce, "msg.height", msg.Height)
+
+	// Get the block info that contains the message
+	blockInfos, err := r.blockTraceOrm.GetL2BlockInfos(map[string]interface{}{"number": msg.Height}, nil, 0)
+	if err != nil {
+		log.Error("Failed to GetL2BlockInfos from DB", "number", msg.Height)
+	}
+	if len(blockInfos) == 0 {
+		return errors.New("get block trace len is 0, exit")
+	}
+
+	blockInfo := blockInfos[0]
+	// TODO: rebuild the withdraw trie to generate the merkle proof
+	proof := bridgeAbi.IL1ScrollMessengerL2MessageProof{
+		BatchHash:   common.HexToHash(blockInfo.BatchHash),
+		MerkleProof: make([]byte, 0),
+	}
+	from := common.HexToAddress(msg.Sender)
+	target := common.HexToAddress(msg.Target)
+	value, ok := big.NewInt(0).SetString(msg.Value, 10)
+	if !ok {
+		// @todo maybe panic?
+		log.Error("Failed to parse message value", "msg.nonce", msg.Nonce, "msg.height", msg.Height)
+		// TODO: need to skip this message by changing its status to MsgError
+	}
+	msgNonce := big.NewInt(int64(msg.Nonce))
+	calldata := common.Hex2Bytes(msg.Calldata)
+	data, err := r.l1MessengerABI.Pack("relayMessageWithProof", from, target, value, msgNonce, calldata, proof)
+	if err != nil {
+		log.Error("Failed to pack relayMessageWithProof", "msg.nonce", msg.Nonce, "err", err)
+		// TODO: need to skip this message by changing its status to MsgError
+		return err
+	}
+
+	hash, err := r.messageSender.SendTransaction(msg.MsgHash, &r.cfg.MessengerContractAddress, big.NewInt(0), data, r.minGasLimitForMessageRelay)
+	if err != nil && errors.Is(err, ErrExecutionRevertedMessageExpired) {
+		return r.l2MessageOrm.UpdateLayer2Status(r.ctx, msg.MsgHash, types.MsgExpired)
+	}
+	if err != nil && errors.Is(err, ErrExecutionRevertedAlreadySuccessExecuted) {
+		return r.l2MessageOrm.UpdateLayer2Status(r.ctx, msg.MsgHash, types.MsgConfirmed)
+	}
+	if err != nil {
+		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
+	// @todo handle db error
+	err = r.l2MessageOrm.UpdateLayer2StatusAndLayer1Hash(r.ctx, msg.MsgHash, types.MsgSubmitted, hash.String())
+	if err != nil {
+		log.Error("UpdateLayer2StatusAndLayer1Hash failed", "msgHash", msg.MsgHash, "err", err)
+		return err
+	}
+	r.processingMessage.Store(msg.MsgHash, msg.MsgHash)
+	return nil
+}
+
+// ProcessGasPriceOracle imports gas price to layer1
+func (r *Layer2Relayer) ProcessGasPriceOracle() {
+	batch, err := r.blockBatchOrm.GetLatestBatch()
+	if err != nil {
+		log.Error("Failed to GetLatestBatch", "err", err)
+		return
+	}
+
+	if types.GasOracleStatus(batch.OracleStatus) != types.GasOraclePending {
+		return
+	}
+
+	suggestGasPrice, err := r.l2Client.SuggestGasPrice(r.ctx)
+	if err != nil {
+		log.Error("Failed to fetch SuggestGasPrice from l2geth", "err", err)
+		return
+	}
+	suggestGasPriceUint64 := uint64(suggestGasPrice.Int64())
+	expectedDelta := r.lastGasPrice * r.gasPriceDiff / gasPriceDiffPrecision
+
+	// last is undefine or (suggestGasPriceUint64 >= minGasPrice && exceed diff)
+	if r.lastGasPrice == 0 || (suggestGasPriceUint64 >= r.minGasPrice && (suggestGasPriceUint64 >= r.lastGasPrice+expectedDelta || suggestGasPriceUint64 <= r.lastGasPrice-expectedDelta)) {
+		data, err := r.l2GasOracleABI.Pack("setL2BaseFee", suggestGasPrice)
+		if err != nil {
+			log.Error("Failed to pack setL2BaseFee", "batch.Hash", batch.Hash, "GasPrice", suggestGasPrice.Uint64(), "err", err)
+			return
+		}
+
+		hash, err := r.gasOracleSender.SendTransaction(batch.Hash, &r.cfg.GasPriceOracleContractAddress, big.NewInt(0), data, 0)
+		if err != nil {
+			if !errors.Is(err, sender.ErrNoAvailableAccount) && !errors.Is(err, sender.ErrFullPending) {
+				log.Error("Failed to send setL2BaseFee tx to layer2 ", "batch.Hash", batch.Hash, "err", err)
+			}
+			return
+		}
+
+		err = r.blockBatchOrm.UpdateL2GasOracleStatusAndOracleTxHash(r.ctx, batch.Hash, types.GasOracleImporting, hash.String())
+		if err != nil {
+			log.Error("UpdateGasOracleStatusAndOracleTxHash failed", "batch.Hash", batch.Hash, "err", err)
+			return
+		}
+		r.lastGasPrice = suggestGasPriceUint64
+		log.Info("Update l2 gas price", "txHash", hash.String(), "GasPrice", suggestGasPrice)
+	}
+}
+
+// SendCommitTx sends commitBatches tx to L1.
+func (r *Layer2Relayer) SendCommitTx(batchData []*bridgeTypes.BatchData) error {
+	if len(batchData) == 0 {
+		log.Error("SendCommitTx receives empty batch")
+		return nil
+	}
+
+	// pack calldata
+	commitBatches := make([]bridgeAbi.IScrollChainBatch, len(batchData))
+	for i, batch := range batchData {
+		commitBatches[i] = batch.Batch
+	}
+	calldata, err := r.l1RollupABI.Pack("commitBatches", commitBatches)
+	if err != nil {
+		log.Error("Failed to pack commitBatches",
+			"error", err,
+			"start_batch_index", commitBatches[0].BatchIndex,
+			"end_batch_index", commitBatches[len(commitBatches)-1].BatchIndex)
+		return err
+	}
+
+	// generate a unique txID and send transaction
+	var bytes []byte
+	for _, batch := range batchData {
+		bytes = append(bytes, batch.Hash().Bytes()...)
+	}
+	txID := crypto.Keccak256Hash(bytes).String()
+	txHash, err := r.rollupSender.SendTransaction(txID, &r.cfg.RollupContractAddress, big.NewInt(0), calldata, 0)
+	if err != nil {
+		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,
+		"end_batch_index", commitBatches[len(commitBatches)-1].BatchIndex)
+
+	// record and sync with db, @todo handle db error
+	batchHashes := make([]string, len(batchData))
+	for i, batch := range batchData {
+		batchHashes[i] = batch.Hash().Hex()
+		err = r.blockBatchOrm.UpdateCommitTxHashAndRollupStatus(r.ctx, batchHashes[i], txHash.String(), types.RollupCommitting)
+		if err != nil {
+			log.Error("UpdateCommitTxHashAndRollupStatus failed", "hash", batchHashes[i], "index", batch.Batch.BatchIndex, "err", err)
+		}
+	}
+	r.processingBatchesCommitment.Store(txID, batchHashes)
+	return nil
+}
+
+// ProcessCommittedBatches submit proof to layer 1 rollup contract
+func (r *Layer2Relayer) ProcessCommittedBatches() {
+	// set skipped batches in a single db operation
+	if count, err := r.blockBatchOrm.UpdateSkippedBatches(); err != nil {
+		log.Error("UpdateSkippedBatches failed", "err", err)
+		// continue anyway
+	} else if count > 0 {
+		bridgeL2BatchesSkippedTotalCounter.Inc(count)
+		log.Info("Skipping batches", "count", count)
+	}
+
+	// batches are sorted by batch index in increasing order
+	batchHashes, err := r.blockBatchOrm.GetCommittedBatches(1)
+	if err != nil {
+		log.Error("Failed to fetch committed L2 batches", "err", err)
+		return
+	}
+	if len(batchHashes) == 0 {
+		return
+	}
+	hash := batchHashes[0]
+	// @todo add support to relay multiple batches
+
+	batches, err := r.blockBatchOrm.GetBlockBatches(map[string]interface{}{"hash": hash}, nil, 1)
+	if err != nil {
+		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 := types.ProvingStatus(batch.ProvingStatus)
+	switch status {
+	case types.ProvingTaskUnassigned, types.ProvingTaskAssigned:
+		// The proof for this block is not ready yet.
+		return
+	case types.ProvingTaskProved:
+		// It's an intermediate state. The roller manager received the proof but has not verified
+		// the proof yet. We don't roll up the proof until it's verified.
+		return
+	case types.ProvingTaskFailed, types.ProvingTaskSkipped:
+		// note: this is covered by UpdateSkippedBatches, but we keep it for completeness's sake
+		if err = r.blockBatchOrm.UpdateRollupStatus(r.ctx, hash, types.RollupFinalizationSkipped); err != nil {
+			log.Warn("UpdateRollupStatus failed", "hash", hash, "err", err)
+		}
+	case types.ProvingTaskVerified:
+		log.Info("Start to roll up zk proof", "hash", hash)
+		success := false
+
+		rollupStatues := []types.RollupStatus{
+			types.RollupFinalizing,
+			types.RollupFinalized,
+		}
+		previousBatch, err := r.blockBatchOrm.GetLatestBatchByRollupStatus(rollupStatues)
+		// 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.blockBatchOrm.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 {
+				log.Info("Failed to upload the proof, change rollup status to FinalizationSkipped", "hash", hash)
+				if err = r.blockBatchOrm.UpdateRollupStatus(r.ctx, hash, types.RollupFinalizationSkipped); err != nil {
+					log.Warn("UpdateRollupStatus failed", "hash", hash, "err", err)
+				}
+			}
+		}()
+
+		proofBuffer, icBuffer, err := r.blockBatchOrm.GetVerifiedProofAndInstanceCommitmentsByHash(hash)
+		if err != nil {
+			log.Warn("fetch get proof by hash failed", "hash", hash, "err", err)
+			return
+		}
+		if proofBuffer == nil || icBuffer == nil {
+			log.Warn("proof or instance not ready", "hash", hash)
+			return
+		}
+		if len(proofBuffer)%32 != 0 {
+			log.Error("proof buffer has wrong length", "hash", hash, "length", len(proofBuffer))
+			return
+		}
+		if len(icBuffer)%32 != 0 {
+			log.Warn("instance buffer has wrong length", "hash", hash, "length", len(icBuffer))
+			return
+		}
+
+		proof := utils.BufferToUint256Le(proofBuffer)
+		instance := utils.BufferToUint256Le(icBuffer)
+		data, err := r.l1RollupABI.Pack("finalizeBatchWithProof", common.HexToHash(hash), proof, instance)
+		if err != nil {
+			log.Error("Pack finalizeBatchWithProof failed", "err", err)
+			return
+		}
+
+		txID := hash + "-finalize"
+		// add suffix `-finalize` to avoid duplication with commit tx in unit tests
+		txHash, err := r.rollupSender.SendTransaction(txID, &r.cfg.RollupContractAddress, big.NewInt(0), data, 0)
+		finalizeTxHash := &txHash
+		if err != nil {
+			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
+		err = r.blockBatchOrm.UpdateFinalizeTxHashAndRollupStatus(r.ctx, hash, finalizeTxHash.String(), types.RollupFinalizing)
+		if err != nil {
+			log.Warn("UpdateFinalizeTxHashAndRollupStatus failed", "batch_hash", hash, "err", err)
+		}
+		success = true
+		r.processingFinalization.Store(txID, hash)
+
+	default:
+		log.Error("encounter unreachable case in ProcessCommittedBatches",
+			"block_status", status,
+		)
+	}
+}
+
+func (r *Layer2Relayer) handleConfirmation(confirmation *sender.Confirmation) {
+	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.l2MessageOrm.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"
+		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.blockBatchOrm.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.blockBatchOrm.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.blockBatchOrm.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.blockBatchOrm.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/internal/controller/relayer/l2_relayer_test.go

@@ -0,0 +1,436 @@
+package relayer
+
+import (
+	"context"
+	"encoding/json"
+	"errors"
+	"gorm.io/gorm"
+	"math/big"
+	"os"
+	"strconv"
+	"testing"
+
+	"github.com/scroll-tech/go-ethereum/common"
+	gethTypes "github.com/scroll-tech/go-ethereum/core/types"
+	"github.com/stretchr/testify/assert"
+
+	"scroll-tech/common/types"
+	"scroll-tech/common/utils"
+
+	"scroll-tech/bridge/internal/controller/sender"
+	"scroll-tech/bridge/internal/orm"
+	"scroll-tech/bridge/internal/orm/migrate"
+	bridgeTypes "scroll-tech/bridge/internal/types"
+	bridgeUtils "scroll-tech/bridge/internal/utils"
+)
+
+var (
+	templateL2Message = []orm.L2Message{
+		{
+			Nonce:      1,
+			Height:     1,
+			Sender:     "0x596a746661dbed76a84556111c2872249b070e15",
+			Value:      "100",
+			Target:     "0x2c73620b223808297ea734d946813f0dd78eb8f7",
+			Calldata:   "testdata",
+			Layer2Hash: "hash0",
+		},
+	}
+)
+
+func setupL2RelayerDB(t *testing.T) *gorm.DB {
+	db, err := bridgeUtils.InitDB(cfg.DBConfig)
+	assert.NoError(t, err)
+	sqlDB, err := db.DB()
+	assert.NoError(t, err)
+	assert.NoError(t, migrate.ResetDB(sqlDB))
+	return db
+}
+
+func testCreateNewRelayer(t *testing.T) {
+	db := setupL2RelayerDB(t)
+	defer bridgeUtils.CloseDB(db)
+	relayer, err := NewLayer2Relayer(context.Background(), l2Cli, db, cfg.L2Config.RelayerConfig)
+	assert.NoError(t, err)
+	assert.NotNil(t, relayer)
+}
+
+func testL2RelayerProcessSaveEvents(t *testing.T) {
+	db := setupL2RelayerDB(t)
+	defer bridgeUtils.CloseDB(db)
+	l2Cfg := cfg.L2Config
+	relayer, err := NewLayer2Relayer(context.Background(), l2Cli, db, l2Cfg.RelayerConfig)
+	assert.NoError(t, err)
+
+	l2MessageOrm := orm.NewL2Message(db)
+	err = l2MessageOrm.SaveL2Messages(context.Background(), templateL2Message)
+	assert.NoError(t, err)
+
+	traces := []*bridgeTypes.WrappedBlock{
+		{
+			Header: &gethTypes.Header{
+				Number: big.NewInt(int64(templateL2Message[0].Height)),
+			},
+			Transactions:     nil,
+			WithdrawTrieRoot: common.Hash{},
+		},
+		{
+			Header: &gethTypes.Header{
+				Number: big.NewInt(int64(templateL2Message[0].Height + 1)),
+			},
+			Transactions:     nil,
+			WithdrawTrieRoot: common.Hash{},
+		},
+	}
+
+	blockTraceOrm := orm.NewBlockTrace(db)
+	assert.NoError(t, blockTraceOrm.InsertWrappedBlocks(traces))
+	blockBatchOrm := orm.NewBlockBatch(db)
+	parentBatch1 := &orm.BlockBatch{
+		Index:     0,
+		Hash:      common.Hash{}.Hex(),
+		StateRoot: common.Hash{}.Hex(),
+	}
+	batchData1 := bridgeTypes.NewBatchData(parentBatch1, []*bridgeTypes.WrappedBlock{wrappedBlock1}, nil)
+	batchHash := batchData1.Hash().Hex()
+	err = db.Transaction(func(tx *gorm.DB) error {
+		rowsAffected, dbTxErr := blockBatchOrm.InsertBlockBatchByBatchData(tx, batchData1)
+		if dbTxErr != nil {
+			return dbTxErr
+		}
+		if rowsAffected != 1 {
+			dbTxErr = errors.New("the InsertBlockBatchByBatchData affected row is not 1")
+			return dbTxErr
+		}
+		dbTxErr = blockTraceOrm.UpdateBatchHashForL2Blocks(tx, []uint64{1}, batchHash)
+		if dbTxErr != nil {
+			return dbTxErr
+		}
+		return nil
+	})
+	assert.NoError(t, err)
+
+	err = blockBatchOrm.UpdateRollupStatus(context.Background(), batchHash, types.RollupFinalized)
+	assert.NoError(t, err)
+
+	relayer.ProcessSavedEvents()
+
+	msg, err := l2MessageOrm.GetL2MessageByNonce(templateL2Message[0].Nonce)
+	assert.NoError(t, err)
+	assert.Equal(t, types.MsgSubmitted, msg.Status)
+}
+
+func testL2RelayerProcessCommittedBatches(t *testing.T) {
+	db := setupL2RelayerDB(t)
+	defer bridgeUtils.CloseDB(db)
+
+	l2Cfg := cfg.L2Config
+	relayer, err := NewLayer2Relayer(context.Background(), l2Cli, db, l2Cfg.RelayerConfig)
+	assert.NoError(t, err)
+
+	parentBatch1 := &orm.BlockBatch{
+		Index:     0,
+		Hash:      common.Hash{}.Hex(),
+		StateRoot: common.Hash{}.Hex(),
+	}
+
+	blockBatchOrm := orm.NewBlockBatch(db)
+	batchData1 := bridgeTypes.NewBatchData(parentBatch1, []*bridgeTypes.WrappedBlock{wrappedBlock1}, nil)
+	batchHash := batchData1.Hash().Hex()
+	err = db.Transaction(func(tx *gorm.DB) error {
+		rowsAffected, dbTxErr := blockBatchOrm.InsertBlockBatchByBatchData(tx, batchData1)
+		if dbTxErr != nil {
+			return dbTxErr
+		}
+		if rowsAffected != 1 {
+			dbTxErr = errors.New("the InsertBlockBatchByBatchData affected row is not 1")
+			return dbTxErr
+		}
+		return nil
+	})
+	assert.NoError(t, err)
+
+	err = blockBatchOrm.UpdateRollupStatus(context.Background(), batchHash, types.RollupCommitted)
+	assert.NoError(t, err)
+
+	tProof := []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31}
+	tInstanceCommitments := []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31}
+	err = blockBatchOrm.UpdateProofByHash(context.Background(), batchHash, tProof, tInstanceCommitments, 100)
+	assert.NoError(t, err)
+	err = blockBatchOrm.UpdateProvingStatus(batchHash, types.ProvingTaskVerified)
+	assert.NoError(t, err)
+
+	relayer.ProcessCommittedBatches()
+
+	statuses, err := blockBatchOrm.GetRollupStatusByHashList([]string{batchHash})
+	assert.NoError(t, err)
+	assert.Equal(t, 1, len(statuses))
+	assert.Equal(t, types.RollupFinalizing, statuses[0])
+}
+
+func testL2RelayerSkipBatches(t *testing.T) {
+	db := setupL2RelayerDB(t)
+	defer bridgeUtils.CloseDB(db)
+
+	l2Cfg := cfg.L2Config
+	relayer, err := NewLayer2Relayer(context.Background(), l2Cli, db, l2Cfg.RelayerConfig)
+	assert.NoError(t, err)
+
+	blockBatchOrm := orm.NewBlockBatch(db)
+	createBatch := func(rollupStatus types.RollupStatus, provingStatus types.ProvingStatus, index uint64) string {
+		batchData := genBatchData(t, index)
+		err = db.Transaction(func(tx *gorm.DB) error {
+			rowsAffected, dbTxErr := blockBatchOrm.InsertBlockBatchByBatchData(tx, batchData)
+			if dbTxErr != nil {
+				return dbTxErr
+			}
+			if rowsAffected != 1 {
+				dbTxErr = errors.New("the InsertBlockBatchByBatchData affected row is not 1")
+				return dbTxErr
+			}
+			return nil
+		})
+
+		batchHash := batchData.Hash().Hex()
+		assert.NoError(t, err)
+		err = blockBatchOrm.UpdateRollupStatus(context.Background(), batchHash, rollupStatus)
+		assert.NoError(t, err)
+
+		tProof := []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31}
+		tInstanceCommitments := []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31}
+		err = blockBatchOrm.UpdateProofByHash(context.Background(), batchHash, tProof, tInstanceCommitments, 100)
+		assert.NoError(t, err)
+		err = blockBatchOrm.UpdateProvingStatus(batchHash, provingStatus)
+		assert.NoError(t, err)
+		return batchHash
+	}
+
+	skipped := []string{
+		createBatch(types.RollupCommitted, types.ProvingTaskSkipped, 1),
+		createBatch(types.RollupCommitted, types.ProvingTaskFailed, 2),
+	}
+
+	notSkipped := []string{
+		createBatch(types.RollupPending, types.ProvingTaskSkipped, 3),
+		createBatch(types.RollupCommitting, types.ProvingTaskSkipped, 4),
+		createBatch(types.RollupFinalizing, types.ProvingTaskSkipped, 5),
+		createBatch(types.RollupFinalized, types.ProvingTaskSkipped, 6),
+		createBatch(types.RollupPending, types.ProvingTaskFailed, 7),
+		createBatch(types.RollupCommitting, types.ProvingTaskFailed, 8),
+		createBatch(types.RollupFinalizing, types.ProvingTaskFailed, 9),
+		createBatch(types.RollupFinalized, types.ProvingTaskFailed, 10),
+		createBatch(types.RollupCommitted, types.ProvingTaskVerified, 11),
+	}
+
+	relayer.ProcessCommittedBatches()
+
+	for _, id := range skipped {
+		statuses, err := blockBatchOrm.GetRollupStatusByHashList([]string{id})
+		assert.NoError(t, err)
+		assert.Equal(t, 1, len(statuses))
+		assert.Equal(t, types.RollupFinalizationSkipped, statuses[0])
+	}
+
+	for _, id := range notSkipped {
+		statuses, err := blockBatchOrm.GetRollupStatusByHashList([]string{id})
+		assert.NoError(t, err)
+		assert.Equal(t, 1, len(statuses))
+		assert.NotEqual(t, types.RollupFinalizationSkipped, statuses[0])
+	}
+}
+
+func testL2RelayerMsgConfirm(t *testing.T) {
+	db := setupL2RelayerDB(t)
+	defer bridgeUtils.CloseDB(db)
+	l2MessageOrm := orm.NewL2Message(db)
+	insertL2Mssages := []orm.L2Message{
+		{MsgHash: "msg-1", Nonce: 0},
+		{MsgHash: "msg-2", Nonce: 1},
+	}
+	err := l2MessageOrm.SaveL2Messages(context.Background(), insertL2Mssages)
+	assert.NoError(t, err)
+
+	// Create and set up the Layer2 Relayer.
+	l2Cfg := cfg.L2Config
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+	l2Relayer, err := NewLayer2Relayer(ctx, l2Cli, db, l2Cfg.RelayerConfig)
+	assert.NoError(t, err)
+
+	// Simulate message confirmations.
+	l2Relayer.processingMessage.Store("msg-1", "msg-1")
+	l2Relayer.messageSender.SendConfirmation(&sender.Confirmation{
+		ID:           "msg-1",
+		IsSuccessful: true,
+	})
+	l2Relayer.processingMessage.Store("msg-2", "msg-2")
+	l2Relayer.messageSender.SendConfirmation(&sender.Confirmation{
+		ID:           "msg-2",
+		IsSuccessful: false,
+	})
+
+	// Check the database for the updated status using TryTimes.
+	assert.True(t, utils.TryTimes(5, func() bool {
+		fields1 := map[string]interface{}{"msg_hash": "msg-1"}
+		msg1, err1 := l2MessageOrm.GetL2Messages(fields1, nil, 0)
+		if len(msg1) != 1 {
+			return false
+		}
+		fields2 := map[string]interface{}{"msg_hash": "msg-2"}
+		msg2, err2 := l2MessageOrm.GetL2Messages(fields2, nil, 0)
+		if len(msg2) != 1 {
+			return false
+		}
+		return err1 == nil && types.MsgStatus(msg1[0].Status) == types.MsgConfirmed &&
+			err2 == nil && types.MsgStatus(msg2[0].Status) == types.MsgRelayFailed
+	}))
+}
+
+func testL2RelayerRollupConfirm(t *testing.T) {
+	db := setupL2RelayerDB(t)
+	defer bridgeUtils.CloseDB(db)
+
+	// Insert test data.
+	batches := make([]*bridgeTypes.BatchData, 6)
+	for i := 0; i < 6; i++ {
+		batches[i] = genBatchData(t, uint64(i))
+	}
+
+	blockBatchOrm := orm.NewBlockBatch(db)
+	err := db.Transaction(func(tx *gorm.DB) error {
+		for _, batch := range batches {
+			rowsAffected, dbTxErr := blockBatchOrm.InsertBlockBatchByBatchData(tx, batch)
+			if dbTxErr != nil {
+				return dbTxErr
+			}
+			if rowsAffected != 1 {
+				dbTxErr = errors.New("the InsertBlockBatchByBatchData affected row is not 1")
+				return dbTxErr
+			}
+		}
+		return nil
+	})
+	assert.NoError(t, err)
+
+	// Create and set up the Layer2 Relayer.
+	l2Cfg := cfg.L2Config
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+	l2Relayer, err := NewLayer2Relayer(ctx, l2Cli, db, l2Cfg.RelayerConfig)
+	assert.NoError(t, err)
+
+	// Simulate message confirmations.
+	processingKeys := []string{"committed-1", "committed-2", "finalized-1", "finalized-2"}
+	isSuccessful := []bool{true, false, true, false}
+
+	for i, key := range processingKeys[:2] {
+		batchHashes := []string{batches[i*2].Hash().Hex(), batches[i*2+1].Hash().Hex()}
+		l2Relayer.processingBatchesCommitment.Store(key, batchHashes)
+		l2Relayer.messageSender.SendConfirmation(&sender.Confirmation{
+			ID:           key,
+			IsSuccessful: isSuccessful[i],
+		})
+	}
+
+	for i, key := range processingKeys[2:] {
+		batchHash := batches[i+4].Hash().Hex()
+		l2Relayer.processingFinalization.Store(key, batchHash)
+		l2Relayer.rollupSender.SendConfirmation(&sender.Confirmation{
+			ID:           key,
+			IsSuccessful: isSuccessful[i+2],
+			TxHash:       common.HexToHash("0x56789abcdef1234"),
+		})
+	}
+
+	// Check the database for the updated status using TryTimes.
+	ok := utils.TryTimes(5, func() bool {
+		expectedStatuses := []types.RollupStatus{
+			types.RollupCommitted,
+			types.RollupCommitted,
+			types.RollupCommitFailed,
+			types.RollupCommitFailed,
+			types.RollupFinalized,
+			types.RollupFinalizeFailed,
+		}
+
+		for i, batch := range batches[:6] {
+			batchInDB, err := blockBatchOrm.GetBlockBatches(map[string]interface{}{"hash": batch.Hash().Hex()}, nil, 0)
+			if err != nil || len(batchInDB) != 1 || types.RollupStatus(batchInDB[0].RollupStatus) != expectedStatuses[i] {
+				return false
+			}
+		}
+		return true
+	})
+	assert.True(t, ok)
+}
+
+func testL2RelayerGasOracleConfirm(t *testing.T) {
+	db := setupL2RelayerDB(t)
+	defer bridgeUtils.CloseDB(db)
+
+	// Insert test data.
+	batches := make([]*bridgeTypes.BatchData, 2)
+	for i := 0; i < 2; i++ {
+		batches[i] = genBatchData(t, uint64(i))
+	}
+
+	blockBatchOrm := orm.NewBlockBatch(db)
+	err := db.Transaction(func(tx *gorm.DB) error {
+		for _, batch := range batches {
+			rowsAffected, dbTxErr := blockBatchOrm.InsertBlockBatchByBatchData(tx, batch)
+			if dbTxErr != nil {
+				return dbTxErr
+			}
+			if rowsAffected != 1 {
+				dbTxErr = errors.New("the InsertBlockBatchByBatchData affected row is not 1")
+				return dbTxErr
+			}
+		}
+		return nil
+	})
+	assert.NoError(t, err)
+
+	// Create and set up the Layer2 Relayer.
+	l2Cfg := cfg.L2Config
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+	l2Relayer, err := NewLayer2Relayer(ctx, l2Cli, db, l2Cfg.RelayerConfig)
+	assert.NoError(t, err)
+
+	// Simulate message confirmations.
+	isSuccessful := []bool{true, false}
+	for i, batch := range batches {
+		l2Relayer.gasOracleSender.SendConfirmation(&sender.Confirmation{
+			ID:           batch.Hash().Hex(),
+			IsSuccessful: isSuccessful[i],
+		})
+	}
+
+	// Check the database for the updated status using TryTimes.
+	ok := utils.TryTimes(5, func() bool {
+		expectedStatuses := []types.GasOracleStatus{types.GasOracleImported, types.GasOracleFailed}
+		for i, batch := range batches {
+			gasOracle, err := blockBatchOrm.GetBlockBatches(map[string]interface{}{"hash": batch.Hash().Hex()}, nil, 0)
+			if err != nil || len(gasOracle) != 1 || types.GasOracleStatus(gasOracle[0].OracleStatus) != expectedStatuses[i] {
+				return false
+			}
+		}
+		return true
+	})
+	assert.True(t, ok)
+}
+
+func genBatchData(t *testing.T, index uint64) *bridgeTypes.BatchData {
+	templateBlockTrace, err := os.ReadFile("../../../testdata/blockTrace_02.json")
+	assert.NoError(t, err)
+	// unmarshal blockTrace
+	wrappedBlock := &bridgeTypes.WrappedBlock{}
+	err = json.Unmarshal(templateBlockTrace, wrappedBlock)
+	assert.NoError(t, err)
+	wrappedBlock.Header.ParentHash = common.HexToHash("0x" + strconv.FormatUint(index+1, 16))
+	parentBatch := &orm.BlockBatch{
+		Index: index,
+		Hash:  "0x0000000000000000000000000000000000000000",
+	}
+	return bridgeTypes.NewBatchData(parentBatch, []*bridgeTypes.WrappedBlock{wrappedBlock}, nil)
+}

bridge/internal/controller/relayer/params.go

@@ -0,0 +1,18 @@
+package relayer
+
+import "errors"
+
+const (
+	gasPriceDiffPrecision = 1000000
+
+	defaultGasPriceDiff = 50000 // 5%
+
+	defaultL1MessageRelayMinGasLimit = 130000 // should be enough for both ERC20 and ETH relay
+
+	defaultL2MessageRelayMinGasLimit = 200000
+)
+
+var (
+	ErrExecutionRevertedMessageExpired         = errors.New("execution reverted: Message expired")
+	ErrExecutionRevertedAlreadySuccessExecuted = errors.New("execution reverted: Message was already successfully executed")
+)

bridge/internal/controller/relayer/relayer_test.go

@@ -0,0 +1,119 @@
+package relayer
+
+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/bridge/internal/config"
+	"scroll-tech/bridge/internal/orm"
+	bridgeTypes "scroll-tech/bridge/internal/types"
+)
+
+var (
+	// config
+	cfg *config.Config
+
+	base *docker.App
+
+	// l2geth client
+	l2Cli *ethclient.Client
+
+	// block trace
+	wrappedBlock1 *bridgeTypes.WrappedBlock
+	wrappedBlock2 *bridgeTypes.WrappedBlock
+
+	// batch data
+	batchData1 *bridgeTypes.BatchData
+	batchData2 *bridgeTypes.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 = &bridgeTypes.DBConfig{
+		DSN:        base.DBConfig.DSN,
+		DriverName: base.DBConfig.DriverName,
+		MaxOpenNum: base.DBConfig.MaxOpenNum,
+		MaxIdleNum: base.DBConfig.MaxIdleNum,
+	}
+
+	// Create l2geth client.
+	l2Cli, err = base.L2Client()
+	assert.NoError(t, err)
+
+	templateBlockTrace1, err := os.ReadFile("../../../testdata/blockTrace_02.json")
+	if err != nil {
+		return err
+	}
+	// unmarshal blockTrace
+	wrappedBlock1 = &bridgeTypes.WrappedBlock{}
+	if err = json.Unmarshal(templateBlockTrace1, wrappedBlock1); err != nil {
+		return err
+	}
+	parentBatch1 := &orm.BlockBatch{
+		Index:     0,
+		Hash:      "0x0cc6b102c2924402c14b2e3a19baccc316252bfdc44d9ec62e942d34e39ec729",
+		StateRoot: "0x2579122e8f9ec1e862e7d415cef2fb495d7698a8e5f0dddc5651ba4236336e7d",
+	}
+	batchData1 = bridgeTypes.NewBatchData(parentBatch1, []*bridgeTypes.WrappedBlock{wrappedBlock1}, nil)
+
+	templateBlockTrace2, err := os.ReadFile("../../../testdata/blockTrace_03.json")
+	if err != nil {
+		return err
+	}
+	// unmarshal blockTrace
+	wrappedBlock2 = &bridgeTypes.WrappedBlock{}
+	if err = json.Unmarshal(templateBlockTrace2, wrappedBlock2); err != nil {
+		return err
+	}
+	parentBatch2 := &orm.BlockBatch{
+		Index:     batchData1.Batch.BatchIndex,
+		Hash:      batchData1.Hash().Hex(),
+		StateRoot: batchData1.Batch.NewStateRoot.String(),
+	}
+	batchData2 = bridgeTypes.NewBatchData(parentBatch2, []*bridgeTypes.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)
+	t.Run("TestL1RelayerProcessSaveEvents", testL1RelayerProcessSaveEvents)
+	t.Run("TestL1RelayerMsgConfirm", testL1RelayerMsgConfirm)
+	t.Run("TestL1RelayerGasOracleConfirm", testL1RelayerGasOracleConfirm)
+	// Run l2 relayer test cases.
+	t.Run("TestCreateNewRelayer", testCreateNewRelayer)
+	t.Run("TestL2RelayerProcessSaveEvents", testL2RelayerProcessSaveEvents)
+	t.Run("TestL2RelayerProcessCommittedBatches", testL2RelayerProcessCommittedBatches)
+	t.Run("TestL2RelayerSkipBatches", testL2RelayerSkipBatches)
+	t.Run("TestL2RelayerMsgConfirm", testL2RelayerMsgConfirm)
+	t.Run("TestL2RelayerRollupConfirm", testL2RelayerRollupConfirm)
+	t.Run("TestL2RelayerGasOracleConfirm", testL2RelayerGasOracleConfirm)
+}

bridge/internal/controller/sender/account_pool.go

@@ -0,0 +1,165 @@
+package sender
+
+import (
+	"context"
+	"crypto/ecdsa"
+	"fmt"
+	"math/big"
+
+	"github.com/scroll-tech/go-ethereum/accounts/abi/bind"
+	"github.com/scroll-tech/go-ethereum/common"
+	"github.com/scroll-tech/go-ethereum/core/types"
+	"github.com/scroll-tech/go-ethereum/ethclient"
+	"github.com/scroll-tech/go-ethereum/log"
+)
+
+type accountPool struct {
+	client *ethclient.Client
+
+	minBalance *big.Int
+	accounts   map[common.Address]*bind.TransactOpts
+	accsCh     chan *bind.TransactOpts
+}
+
+// newAccounts creates an accountPool instance.
+func newAccountPool(ctx context.Context, minBalance *big.Int, client *ethclient.Client, privs []*ecdsa.PrivateKey) (*accountPool, error) {
+	accs := &accountPool{
+		client:     client,
+		minBalance: minBalance,
+		accounts:   make(map[common.Address]*bind.TransactOpts, len(privs)),
+		accsCh:     make(chan *bind.TransactOpts, len(privs)+2),
+	}
+
+	// get chainID from client
+	chainID, err := client.ChainID(ctx)
+	if err != nil {
+		return nil, err
+	}
+
+	for _, privStr := range privs {
+		auth, err := bind.NewKeyedTransactorWithChainID(privStr, chainID)
+		if err != nil {
+			log.Error("failed to create account", "chainID", chainID.String(), "err", err)
+			return nil, err
+		}
+
+		// Set pending nonce
+		nonce, err := client.PendingNonceAt(ctx, auth.From)
+		if err != nil {
+			return nil, err
+		}
+		auth.Nonce = big.NewInt(int64(nonce))
+		accs.accounts[auth.From] = auth
+		accs.accsCh <- auth
+	}
+
+	return accs, accs.checkAndSetBalances(ctx)
+}
+
+// getAccount get auth from channel.
+func (a *accountPool) getAccount() *bind.TransactOpts {
+	select {
+	case auth := <-a.accsCh:
+		return auth
+	default:
+		return nil
+	}
+}
+
+// releaseAccount set used auth into channel.
+func (a *accountPool) releaseAccount(auth *bind.TransactOpts) {
+	a.accsCh <- auth
+}
+
+// reSetNonce reset nonce if send signed tx failed.
+func (a *accountPool) resetNonce(ctx context.Context, auth *bind.TransactOpts) {
+	nonce, err := a.client.PendingNonceAt(ctx, auth.From)
+	if err != nil {
+		log.Warn("failed to reset nonce", "address", auth.From.String(), "err", err)
+		return
+	}
+	auth.Nonce = big.NewInt(int64(nonce))
+}
+
+// checkAndSetBalance check balance and set min balance.
+func (a *accountPool) checkAndSetBalances(ctx context.Context) error {
+	var (
+		root      *bind.TransactOpts
+		maxBls    = big.NewInt(0)
+		lostAuths []*bind.TransactOpts
+	)
+
+	for addr, auth := range a.accounts {
+		bls, err := a.client.BalanceAt(ctx, addr, nil)
+		if err != nil || bls.Cmp(a.minBalance) < 0 {
+			if err != nil {
+				log.Warn("failed to get balance", "address", addr.String(), "err", err)
+				return err
+			}
+			lostAuths = append(lostAuths, auth)
+			continue
+		} else if bls.Cmp(maxBls) > 0 { // Find the biggest balance account.
+			root, maxBls = auth, bls
+		}
+	}
+	if root == nil {
+		return fmt.Errorf("no account has enough balance")
+	}
+	if len(lostAuths) == 0 {
+		return nil
+	}
+
+	var (
+		tx  *types.Transaction
+		err error
+	)
+	for _, auth := range lostAuths {
+		tx, err = a.createSignedTx(root, &auth.From, a.minBalance)
+		if err != nil {
+			return err
+		}
+		err = a.client.SendTransaction(ctx, tx)
+		if err != nil {
+			log.Error("Failed to send balance to account", "err", err)
+			return err
+		}
+		log.Debug("send balance to account", "account", auth.From.String(), "balance", a.minBalance.String())
+	}
+	// wait util mined
+	if _, err = bind.WaitMined(ctx, a.client, tx); err != nil {
+		return err
+	}
+
+	// Reset root's nonce.
+	a.resetNonce(ctx, root)
+
+	return nil
+}
+
+func (a *accountPool) createSignedTx(from *bind.TransactOpts, to *common.Address, value *big.Int) (*types.Transaction, error) {
+	gasPrice, err := a.client.SuggestGasPrice(context.Background())
+	if err != nil {
+		return nil, err
+	}
+	gasPrice.Mul(gasPrice, big.NewInt(2))
+
+	// Get pending nonce
+	nonce, err := a.client.PendingNonceAt(context.Background(), from.From)
+	if err != nil {
+		return nil, err
+	}
+
+	tx := types.NewTx(&types.LegacyTx{
+		Nonce:    nonce,
+		To:       to,
+		Value:    value,
+		Gas:      500000,
+		GasPrice: gasPrice,
+	})
+	signedTx, err := from.Signer(from.From, tx)
+	if err != nil {
+		return nil, err
+	}
+
+	return signedTx, nil
+}

bridge/internal/controller/sender/estimategas.go

@@ -7,23 +7,16 @@ import (
 	"github.com/scroll-tech/go-ethereum"
 	"github.com/scroll-tech/go-ethereum/accounts/abi/bind"
 	"github.com/scroll-tech/go-ethereum/common"
-	"github.com/scroll-tech/go-ethereum/log"
 )
 
-func (s *Sender) estimateLegacyGas(auth *bind.TransactOpts, contract *common.Address, value *big.Int, input []byte, fallbackGasLimit uint64) (*FeeData, error) {
+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 {
-		log.Error("estimateLegacyGas SuggestGasPrice failure", "error", err)
 		return nil, err
 	}
-	gasLimit, err := s.estimateGasLimit(auth, contract, input, gasPrice, nil, nil, value)
+	gasLimit, err := s.estimateGasLimit(auth, contract, input, gasPrice, nil, nil, value, minGasLimit)
 	if err != nil {
-		log.Error("estimateLegacyGas estimateGasLimit failure", "gas price", gasPrice, "from", auth.From.Hex(),
-			"nonce", auth.Nonce.Uint64(), "contract address", contract.Hex(), "fallback gas limit", fallbackGasLimit, "error", err)
-		if fallbackGasLimit == 0 {
-			return nil, err
-		}
-		gasLimit = fallbackGasLimit
+		return nil, err
 	}
 	return &FeeData{
 		gasPrice: gasPrice,
@@ -31,10 +24,9 @@ func (s *Sender) estimateLegacyGas(auth *bind.TransactOpts, contract *common.Add
 	}, nil
 }
 
-func (s *Sender) estimateDynamicGas(auth *bind.TransactOpts, contract *common.Address, value *big.Int, input []byte, fallbackGasLimit uint64) (*FeeData, error) {
+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 {
-		log.Error("estimateDynamicGas SuggestGasTipCap failure", "error", err)
 		return nil, err
 	}
 
@@ -46,15 +38,9 @@ func (s *Sender) estimateDynamicGas(auth *bind.TransactOpts, contract *common.Ad
 		gasTipCap,
 		new(big.Int).Mul(baseFee, big.NewInt(2)),
 	)
-	gasLimit, err := s.estimateGasLimit(auth, contract, input, nil, gasTipCap, gasFeeCap, value)
+	gasLimit, err := s.estimateGasLimit(auth, contract, input, nil, gasTipCap, gasFeeCap, value, minGasLimit)
 	if err != nil {
-		log.Error("estimateDynamicGas estimateGasLimit failure",
-			"from", auth.From.Hex(), "nonce", auth.Nonce.Uint64(), "contract address", contract.Hex(),
-			"fallback gas limit", fallbackGasLimit, "error", err)
-		if fallbackGasLimit == 0 {
-			return nil, err
-		}
-		gasLimit = fallbackGasLimit
+		return nil, err
 	}
 	return &FeeData{
 		gasLimit:  gasLimit,
@@ -63,7 +49,7 @@ func (s *Sender) estimateDynamicGas(auth *bind.TransactOpts, contract *common.Ad
 	}, nil
 }
 
-func (s *Sender) estimateGasLimit(opts *bind.TransactOpts, contract *common.Address, input []byte, gasPrice, gasTipCap, gasFeeCap, value *big.Int) (uint64, error) {
+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,
@@ -75,11 +61,13 @@ func (s *Sender) estimateGasLimit(opts *bind.TransactOpts, contract *common.Addr
 	}
 	gasLimit, err := s.client.EstimateGas(s.ctx, msg)
 	if err != nil {
-		log.Error("estimateGasLimit EstimateGas failure", "error", err)
 		return 0, err
 	}
+	if minGasLimit > gasLimit {
+		gasLimit = minGasLimit
+	}
 
-	gasLimit = gasLimit * 12 / 10 // 20% extra gas to avoid out of gas error
+	gasLimit = gasLimit * 15 / 10 // 50% extra gas to void out of gas error
 
 	return gasLimit, nil
 }

bridge/internal/controller/sender/sender.go

@@ -11,15 +11,14 @@ import (
 	"time"
 
 	cmapV2 "github.com/orcaman/concurrent-map/v2"
-	"github.com/prometheus/client_golang/prometheus"
 	"github.com/scroll-tech/go-ethereum/accounts/abi/bind"
 	"github.com/scroll-tech/go-ethereum/common"
 	"github.com/scroll-tech/go-ethereum/core/types"
 	"github.com/scroll-tech/go-ethereum/ethclient"
 	"github.com/scroll-tech/go-ethereum/log"
 
-	"scroll-tech/rollup/internal/config"
-	"scroll-tech/rollup/internal/utils"
+	"scroll-tech/bridge/internal/config"
+	"scroll-tech/bridge/internal/utils"
 )
 
 const (
@@ -40,6 +39,10 @@ var (
 	ErrFullPending = errors.New("sender's pending pool is full")
 )
 
+var (
+	defaultPendingLimit = 10
+)
+
 // Confirmation struct used to indicate transaction confirmation details
 type Confirmation struct {
 	ID           string
@@ -71,11 +74,9 @@ type Sender struct {
 	client  *ethclient.Client // The client to retrieve on chain data or send transaction.
 	chainID *big.Int          // The chain id of the endpoint
 	ctx     context.Context
-	service string
-	name    string
 
-	auth       *bind.TransactOpts
-	minBalance *big.Int
+	// account fields.
+	auths *accountPool
 
 	blockNumber   uint64                                            // Current block number on chain.
 	baseFeePerGas uint64                                            // Current base fee per gas on chain
@@ -83,40 +84,31 @@ type Sender struct {
 	confirmCh     chan *Confirmation
 
 	stopCh chan struct{}
-
-	metrics *senderMetrics
 }
 
 // NewSender returns a new instance of transaction sender
 // txConfirmationCh is used to notify confirmed transaction
-func NewSender(ctx context.Context, config *config.SenderConfig, priv *ecdsa.PrivateKey, service, name string, reg prometheus.Registerer) (*Sender, error) {
+func NewSender(ctx context.Context, config *config.SenderConfig, privs []*ecdsa.PrivateKey) (*Sender, error) {
 	client, err := ethclient.Dial(config.Endpoint)
 	if err != nil {
-		return nil, fmt.Errorf("failed to dial eth client, err: %w", err)
+		return nil, err
 	}
 
 	// get chainID from client
 	chainID, err := client.ChainID(ctx)
 	if err != nil {
-		return nil, fmt.Errorf("failed to get chain ID, err: %w", err)
+		return nil, err
 	}
 
-	auth, err := bind.NewKeyedTransactorWithChainID(priv, chainID)
+	auths, err := newAccountPool(ctx, config.MinBalance, client, privs)
 	if err != nil {
-		return nil, fmt.Errorf("failed to create transactor with chain ID %v, err: %w", chainID, err)
+		return nil, fmt.Errorf("failed to create account pool, err: %v", err)
 	}
 
-	// Set pending nonce
-	nonce, err := client.PendingNonceAt(ctx, auth.From)
-	if err != nil {
-		return nil, fmt.Errorf("failed to get pending nonce for address %s, err: %w", auth.From.Hex(), err)
-	}
-	auth.Nonce = big.NewInt(int64(nonce))
-
 	// get header by number
 	header, err := client.HeaderByNumber(ctx, nil)
 	if err != nil {
-		return nil, fmt.Errorf("failed to get header by number, err: %w", err)
+		return nil, err
 	}
 
 	var baseFeePerGas uint64
@@ -124,26 +116,27 @@ func NewSender(ctx context.Context, config *config.SenderConfig, priv *ecdsa.Pri
 		if header.BaseFee != nil {
 			baseFeePerGas = header.BaseFee.Uint64()
 		} else {
-			return nil, errors.New("dynamic fee tx type not supported: header.BaseFee is nil")
+			return nil, errors.New("DynamicFeeTxType not supported, header.BaseFee nil")
 		}
 	}
 
+	// initialize pending limit with a default value
+	if config.PendingLimit == 0 {
+		config.PendingLimit = defaultPendingLimit
+	}
+
 	sender := &Sender{
 		ctx:           ctx,
 		config:        config,
 		client:        client,
 		chainID:       chainID,
-		auth:          auth,
-		minBalance:    config.MinBalance,
+		auths:         auths,
 		confirmCh:     make(chan *Confirmation, 128),
 		blockNumber:   header.Number.Uint64(),
 		baseFeePerGas: baseFeePerGas,
 		pendingTxs:    cmapV2.New[*PendingTransaction](),
 		stopCh:        make(chan struct{}),
-		name:          name,
-		service:       service,
 	}
-	sender.metrics = initSenderMetrics(reg)
 
 	go sender.loop(ctx)
 
@@ -165,11 +158,6 @@ func (s *Sender) IsFull() bool {
 	return s.pendingTxs.Count() >= s.config.PendingLimit
 }
 
-// GetChainID returns the chain ID associated with the sender.
-func (s *Sender) GetChainID() *big.Int {
-	return s.chainID
-}
-
 // Stop stop the sender module.
 func (s *Sender) Stop() {
 	close(s.stopCh)
@@ -187,63 +175,66 @@ func (s *Sender) SendConfirmation(cfm *Confirmation) {
 	s.confirmCh <- cfm
 }
 
-func (s *Sender) getFeeData(auth *bind.TransactOpts, target *common.Address, value *big.Int, data []byte, fallbackGasLimit uint64) (*FeeData, error) {
+// NumberOfAccounts return the count of accounts.
+func (s *Sender) NumberOfAccounts() int {
+	return len(s.auths.accounts)
+}
+
+func (s *Sender) getFeeData(auth *bind.TransactOpts, target *common.Address, value *big.Int, data []byte, minGasLimit uint64) (*FeeData, error) {
 	if s.config.TxType == DynamicFeeTxType {
-		return s.estimateDynamicGas(auth, target, value, data, fallbackGasLimit)
+		return s.estimateDynamicGas(auth, target, value, data, minGasLimit)
 	}
-	return s.estimateLegacyGas(auth, target, value, data, fallbackGasLimit)
+	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, fallbackGasLimit uint64) (common.Hash, error) {
-	s.metrics.sendTransactionTotal.WithLabelValues(s.service, s.name).Inc()
+func (s *Sender) SendTransaction(ID string, target *common.Address, value *big.Int, data []byte, minGasLimit uint64) (hash common.Hash, err error) {
 	if s.IsFull() {
-		s.metrics.sendTransactionFailureFullTx.WithLabelValues(s.service, s.name).Set(1)
 		return common.Hash{}, ErrFullPending
 	}
-
-	s.metrics.sendTransactionFailureFullTx.WithLabelValues(s.service, s.name).Set(0)
+	// We occupy the ID, in case some other threads call with the same ID in the same time
 	if ok := s.pendingTxs.SetIfAbsent(ID, nil); !ok {
-		s.metrics.sendTransactionFailureRepeatTransaction.WithLabelValues(s.service, s.name).Inc()
-		return common.Hash{}, fmt.Errorf("repeat transaction ID: %s", ID)
+		return common.Hash{}, fmt.Errorf("has the repeat tx ID, ID: %s", ID)
+	}
+	// get
+	auth := s.auths.getAccount()
+	if auth == nil {
+		s.pendingTxs.Remove(ID) // release the ID on failure
+		return common.Hash{}, ErrNoAvailableAccount
 	}
 
-	var (
-		feeData *FeeData
-		tx      *types.Transaction
-		err     error
-	)
-
+	defer s.auths.releaseAccount(auth)
 	defer func() {
 		if err != nil {
 			s.pendingTxs.Remove(ID) // release the ID on failure
 		}
 	}()
 
-	if feeData, err = s.getFeeData(s.auth, target, value, data, fallbackGasLimit); err != nil {
-		s.metrics.sendTransactionFailureGetFee.WithLabelValues(s.service, s.name).Inc()
-		log.Error("failed to get fee data", "err", err)
-		return common.Hash{}, fmt.Errorf("failed to get fee data, err: %w", err)
+	var (
+		feeData *FeeData
+		tx      *types.Transaction
+	)
+	// estimate gas fee
+	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 {
+		// add pending transaction to queue
+		pending := &PendingTransaction{
+			tx:       tx,
+			id:       ID,
+			signer:   auth,
+			submitAt: atomic.LoadUint64(&s.blockNumber),
+			feeData:  feeData,
+		}
+		s.pendingTxs.Set(ID, pending)
+		return tx.Hash(), nil
 	}
 
-	if tx, err = s.createAndSendTx(s.auth, feeData, target, value, data, nil); err != nil {
-		s.metrics.sendTransactionFailureSendTx.WithLabelValues(s.service, s.name).Inc()
-		return common.Hash{}, fmt.Errorf("failed to create and send transaction, err: %w", err)
-	}
-
-	// add pending transaction
-	pending := &PendingTransaction{
-		tx:       tx,
-		id:       ID,
-		signer:   s.auth,
-		submitAt: atomic.LoadUint64(&s.blockNumber),
-		feeData:  feeData,
-	}
-	s.pendingTxs.Set(ID, pending)
-	return tx.Hash(), nil
+	return
 }
 
-func (s *Sender) createAndSendTx(auth *bind.TransactOpts, feeData *FeeData, target *common.Address, value *big.Int, data []byte, overrideNonce *uint64) (*types.Transaction, error) {
+func (s *Sender) createAndSendTx(auth *bind.TransactOpts, feeData *FeeData, target *common.Address, value *big.Int, data []byte, overrideNonce *uint64) (tx *types.Transaction, err error) {
 	var (
 		nonce  = auth.Nonce.Uint64()
 		txData types.TxData
@@ -301,50 +292,26 @@ func (s *Sender) createAndSendTx(auth *bind.TransactOpts, feeData *FeeData, targ
 	}
 
 	// sign and send
-	tx, err := auth.Signer(auth.From, types.NewTx(txData))
+	tx, err = auth.Signer(auth.From, types.NewTx(txData))
 	if err != nil {
 		log.Error("failed to sign tx", "err", err)
-		return nil, err
+		return
 	}
 	if err = s.client.SendTransaction(s.ctx, tx); err != nil {
 		log.Error("failed to send tx", "tx hash", tx.Hash().String(), "err", err)
 		// Check if contain nonce, and reset nonce
 		// only reset nonce when it is not from resubmit
 		if strings.Contains(err.Error(), "nonce") && overrideNonce == nil {
-			s.resetNonce(context.Background())
+			s.auths.resetNonce(context.Background(), auth)
 		}
-		return nil, err
+		return
 	}
 
-	if feeData.gasTipCap != nil {
-		s.metrics.currentGasTipCap.WithLabelValues(s.service, s.name).Set(float64(feeData.gasTipCap.Uint64()))
-	}
-
-	if feeData.gasFeeCap != nil {
-		s.metrics.currentGasFeeCap.WithLabelValues(s.service, s.name).Set(float64(feeData.gasFeeCap.Uint64()))
-	}
-
-	if feeData.gasPrice != nil {
-		s.metrics.currentGasPrice.WithLabelValues(s.service, s.name).Set(float64(feeData.gasPrice.Uint64()))
-	}
-
-	s.metrics.currentGasLimit.WithLabelValues(s.service, s.name).Set(float64(feeData.gasLimit))
-
 	// update nonce when it is not from resubmit
 	if overrideNonce == nil {
 		auth.Nonce = big.NewInt(int64(nonce + 1))
 	}
-	return tx, nil
-}
-
-// reSetNonce reset nonce if send signed tx failed.
-func (s *Sender) resetNonce(ctx context.Context) {
-	nonce, err := s.client.PendingNonceAt(ctx, s.auth.From)
-	if err != nil {
-		log.Warn("failed to reset nonce", "address", s.auth.From.String(), "err", err)
-		return
-	}
-	s.auth.Nonce = big.NewInt(int64(nonce))
+	return
 }
 
 func (s *Sender) resubmitTransaction(feeData *FeeData, auth *bind.TransactOpts, tx *types.Transaction) (*types.Transaction, error) {
@@ -352,15 +319,8 @@ func (s *Sender) resubmitTransaction(feeData *FeeData, auth *bind.TransactOpts,
 	escalateMultipleDen := new(big.Int).SetUint64(s.config.EscalateMultipleDen)
 	maxGasPrice := new(big.Int).SetUint64(s.config.MaxGasPrice)
 
-	txInfo := map[string]interface{}{
-		"tx_hash": tx.Hash().String(),
-		"tx_type": s.config.TxType,
-		"from":    auth.From.String(),
-	}
-
 	switch s.config.TxType {
 	case LegacyTxType, AccessListTxType: // `LegacyTxType`is for ganache mock node
-		originalGasPrice := feeData.gasPrice
 		gasPrice := escalateMultipleNum.Mul(escalateMultipleNum, big.NewInt(feeData.gasPrice.Int64()))
 		gasPrice = gasPrice.Div(gasPrice, escalateMultipleDen)
 		if gasPrice.Cmp(feeData.gasPrice) < 0 {
@@ -370,13 +330,7 @@ func (s *Sender) resubmitTransaction(feeData *FeeData, auth *bind.TransactOpts,
 			gasPrice = maxGasPrice
 		}
 		feeData.gasPrice = gasPrice
-
-		txInfo["original_gas_price"] = originalGasPrice
-		txInfo["adjusted_gas_price"] = gasPrice
 	default:
-		originalGasTipCap := big.NewInt(feeData.gasTipCap.Int64())
-		originalGasFeeCap := big.NewInt(feeData.gasFeeCap.Int64())
-
 		gasTipCap := big.NewInt(feeData.gasTipCap.Int64())
 		gasTipCap = gasTipCap.Mul(gasTipCap, escalateMultipleNum)
 		gasTipCap = gasTipCap.Div(gasTipCap, escalateMultipleDen)
@@ -389,36 +343,14 @@ func (s *Sender) resubmitTransaction(feeData *FeeData, auth *bind.TransactOpts,
 		if gasTipCap.Cmp(feeData.gasTipCap) < 0 {
 			gasTipCap = feeData.gasTipCap
 		}
-
-		// adjust for rising basefee
-		adjBaseFee := big.NewInt(0)
-		if feeGas := atomic.LoadUint64(&s.baseFeePerGas); feeGas != 0 {
-			adjBaseFee.SetUint64(feeGas)
-		}
-		adjBaseFee = adjBaseFee.Mul(adjBaseFee, escalateMultipleNum)
-		adjBaseFee = adjBaseFee.Div(adjBaseFee, escalateMultipleDen)
-		currentGasFeeCap := new(big.Int).Add(gasTipCap, adjBaseFee)
-		if gasFeeCap.Cmp(currentGasFeeCap) < 0 {
-			gasFeeCap = currentGasFeeCap
-		}
-
-		// but don't exceed maxGasPrice
 		if gasFeeCap.Cmp(maxGasPrice) > 0 {
 			gasFeeCap = maxGasPrice
 		}
 		feeData.gasFeeCap = gasFeeCap
 		feeData.gasTipCap = gasTipCap
-
-		txInfo["original_gas_tip_cap"] = originalGasTipCap
-		txInfo["adjusted_gas_tip_cap"] = gasTipCap
-		txInfo["original_gas_fee_cap"] = originalGasFeeCap
-		txInfo["adjusted_gas_fee_cap"] = gasFeeCap
 	}
 
-	log.Debug("Transaction gas adjustment details", txInfo)
-
 	nonce := tx.Nonce()
-	s.metrics.resubmitTransactionTotal.WithLabelValues(s.service, s.name).Inc()
 	return s.createAndSendTx(auth, feeData, tx.To(), tx.Value(), tx.Data(), &nonce)
 }
 
@@ -455,12 +387,6 @@ func (s *Sender) checkPendingTransaction(header *types.Header, confirmed uint64)
 				}
 			}
 		} else if s.config.EscalateBlocks+pending.submitAt < number {
-			log.Debug("resubmit transaction",
-				"tx hash", pending.tx.Hash().String(),
-				"submit block number", pending.submitAt,
-				"current block number", number,
-				"escalateBlocks", s.config.EscalateBlocks)
-
 			var tx *types.Transaction
 			tx, err := s.resubmitTransaction(pending.feeData, pending.signer, pending.tx)
 			if err != nil {
@@ -508,22 +434,6 @@ func (s *Sender) checkPendingTransaction(header *types.Header, confirmed uint64)
 	}
 }
 
-// checkBalance checks balance and print error log if balance is under a threshold.
-func (s *Sender) checkBalance(ctx context.Context) error {
-	bls, err := s.client.BalanceAt(ctx, s.auth.From, nil)
-	if err != nil {
-		log.Warn("failed to get balance", "address", s.auth.From.String(), "err", err)
-		return err
-	}
-
-	if bls.Cmp(s.minBalance) < 0 {
-		return fmt.Errorf("insufficient account balance - actual balance: %s, minimum required balance: %s, address: %s",
-			bls.String(), s.minBalance.String(), s.auth.From.String())
-	}
-
-	return nil
-}
-
 // Loop is the main event loop
 func (s *Sender) loop(ctx context.Context) {
 	checkTick := time.NewTicker(time.Duration(s.config.CheckPendingTime) * time.Second)
@@ -535,7 +445,6 @@ func (s *Sender) loop(ctx context.Context) {
 	for {
 		select {
 		case <-checkTick.C:
-			s.metrics.senderCheckPendingTransactionTotal.WithLabelValues(s.service, s.name).Inc()
 			header, err := s.client.HeaderByNumber(s.ctx, nil)
 			if err != nil {
 				log.Error("failed to get latest head", "err", err)
@@ -550,11 +459,8 @@ func (s *Sender) loop(ctx context.Context) {
 
 			s.checkPendingTransaction(header, confirmed)
 		case <-checkBalanceTicker.C:
-			s.metrics.senderCheckBalancerTotal.WithLabelValues(s.service, s.name).Inc()
 			// Check and set balance.
-			if err := s.checkBalance(ctx); err != nil {
-				log.Error("check balance error", "err", err)
-			}
+			_ = s.auths.checkAndSetBalances(ctx)
 		case <-ctx.Done():
 			return
 		case <-s.stopCh:

bridge/internal/controller/sender/sender_test.go

@@ -0,0 +1,215 @@
+package sender
+
+import (
+	"context"
+	"crypto/ecdsa"
+	"errors"
+	"math/big"
+	"strconv"
+	"testing"
+	"time"
+
+	cmap "github.com/orcaman/concurrent-map"
+	"github.com/scroll-tech/go-ethereum/common"
+	"github.com/scroll-tech/go-ethereum/core/types"
+	"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"
+	"golang.org/x/sync/errgroup"
+
+	"scroll-tech/common/docker"
+
+	"scroll-tech/bridge/internal/config"
+)
+
+const TXBatch = 50
+
+var (
+	privateKeys []*ecdsa.PrivateKey
+	cfg         *config.Config
+	base        *docker.App
+	txTypes     = []string{"LegacyTx", "AccessListTx", "DynamicFeeTx"}
+)
+
+func TestMain(m *testing.M) {
+	base = docker.NewDockerApp()
+
+	m.Run()
+
+	base.Free()
+}
+
+func setupEnv(t *testing.T) {
+	var err error
+	cfg, err = config.NewConfig("../config.json")
+	assert.NoError(t, err)
+	base.RunImages(t)
+	priv, err := crypto.HexToECDSA("1212121212121212121212121212121212121212121212121212121212121212")
+	assert.NoError(t, err)
+	// Load default private key.
+	privateKeys = []*ecdsa.PrivateKey{priv}
+
+	cfg.L1Config.RelayerConfig.SenderConfig.Endpoint = base.L1gethImg.Endpoint()
+	cfg.L1Config.RelayerConfig.SenderConfig.CheckBalanceTime = 1
+}
+
+func TestSender(t *testing.T) {
+	// Setup
+	setupEnv(t)
+
+	t.Run("test new sender", testNewSender)
+	t.Run("test pending limit", testPendLimit)
+
+	t.Run("test min gas limit", testMinGasLimit)
+	t.Run("test resubmit transaction", func(t *testing.T) { testResubmitTransaction(t) })
+
+	t.Run("test 1 account sender", func(t *testing.T) { testBatchSender(t, 1) })
+	t.Run("test 3 account sender", func(t *testing.T) { testBatchSender(t, 3) })
+	t.Run("test 8 account sender", func(t *testing.T) { testBatchSender(t, 8) })
+}
+
+func testNewSender(t *testing.T) {
+	for _, txType := range txTypes {
+		// exit by Stop()
+		cfgCopy1 := *cfg.L1Config.RelayerConfig.SenderConfig
+		cfgCopy1.TxType = txType
+		newSender1, err := NewSender(context.Background(), &cfgCopy1, privateKeys)
+		assert.NoError(t, err)
+		newSender1.Stop()
+
+		// exit by ctx.Done()
+		cfgCopy2 := *cfg.L1Config.RelayerConfig.SenderConfig
+		cfgCopy2.TxType = txType
+		subCtx, cancel := context.WithCancel(context.Background())
+		_, err = NewSender(subCtx, &cfgCopy2, privateKeys)
+		assert.NoError(t, err)
+		cancel()
+	}
+}
+
+func testPendLimit(t *testing.T) {
+	for _, txType := range txTypes {
+		cfgCopy := *cfg.L1Config.RelayerConfig.SenderConfig
+		cfgCopy.TxType = txType
+		cfgCopy.Confirmations = rpc.LatestBlockNumber
+		cfgCopy.PendingLimit = 2
+		newSender, err := NewSender(context.Background(), &cfgCopy, privateKeys)
+		assert.NoError(t, err)
+
+		for i := 0; i < 2*newSender.PendingLimit(); i++ {
+			_, err = newSender.SendTransaction(strconv.Itoa(i), &common.Address{}, big.NewInt(1), nil, 0)
+			assert.True(t, err == nil || (err != nil && err.Error() == "sender's pending pool is full"))
+		}
+		assert.True(t, newSender.PendingCount() <= newSender.PendingLimit())
+		newSender.Stop()
+	}
+}
+
+func testMinGasLimit(t *testing.T) {
+	for _, txType := range txTypes {
+		cfgCopy := *cfg.L1Config.RelayerConfig.SenderConfig
+		cfgCopy.TxType = txType
+		cfgCopy.Confirmations = rpc.LatestBlockNumber
+		newSender, err := NewSender(context.Background(), &cfgCopy, privateKeys)
+		assert.NoError(t, err)
+
+		client, err := ethclient.Dial(cfgCopy.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))
+
+		newSender.Stop()
+	}
+}
+
+func testResubmitTransaction(t *testing.T) {
+	for _, txType := range txTypes {
+		cfgCopy := *cfg.L1Config.RelayerConfig.SenderConfig
+		cfgCopy.TxType = txType
+		s, err := NewSender(context.Background(), &cfgCopy, privateKeys)
+		assert.NoError(t, err)
+		auth := s.auths.getAccount()
+		tx := types.NewTransaction(auth.Nonce.Uint64(), common.Address{}, big.NewInt(0), 0, big.NewInt(0), nil)
+		feeData, err := s.getFeeData(auth, &common.Address{}, big.NewInt(0), nil, 0)
+		assert.NoError(t, err)
+		_, err = s.resubmitTransaction(feeData, auth, tx)
+		assert.NoError(t, err)
+		s.Stop()
+	}
+}
+
+func testBatchSender(t *testing.T, batchSize int) {
+	for _, txType := range txTypes {
+		for len(privateKeys) < batchSize {
+			priv, err := crypto.GenerateKey()
+			assert.NoError(t, err)
+			privateKeys = append(privateKeys, priv)
+		}
+
+		cfgCopy := *cfg.L1Config.RelayerConfig.SenderConfig
+		cfgCopy.Confirmations = rpc.LatestBlockNumber
+		cfgCopy.PendingLimit = batchSize * TXBatch
+		cfgCopy.TxType = txType
+		newSender, err := NewSender(context.Background(), &cfgCopy, privateKeys)
+		assert.NoError(t, err)
+
+		// send transactions
+		var (
+			eg        errgroup.Group
+			idCache   = cmap.New()
+			confirmCh = newSender.ConfirmChan()
+		)
+		for idx := 0; idx < newSender.NumberOfAccounts(); idx++ {
+			index := idx
+			eg.Go(func() error {
+				for i := 0; i < TXBatch; i++ {
+					toAddr := common.HexToAddress("0x4592d8f8d7b001e72cb26a73e4fa1806a51ac79d")
+					id := strconv.Itoa(i + index*1000)
+					_, err := newSender.SendTransaction(id, &toAddr, big.NewInt(1), nil, 0)
+					if errors.Is(err, ErrNoAvailableAccount) || errors.Is(err, ErrFullPending) {
+						<-time.After(time.Second)
+						continue
+					}
+					assert.NoError(t, err)
+					idCache.Set(id, struct{}{})
+				}
+				return nil
+			})
+		}
+		assert.NoError(t, eg.Wait())
+		t.Logf("successful send batch txs, batch size: %d, total count: %d", newSender.NumberOfAccounts(), TXBatch*newSender.NumberOfAccounts())
+
+		// avoid 10 mins cause testcase panic
+		after := time.After(80 * time.Second)
+		isDone := false
+		for !isDone {
+			select {
+			case cmsg := <-confirmCh:
+				assert.Equal(t, true, cmsg.IsSuccessful)
+				_, exist := idCache.Pop(cmsg.ID)
+				assert.Equal(t, true, exist)
+				// Receive all confirmed txs.
+				if idCache.Count() == 0 {
+					isDone = true
+				}
+			case <-after:
+				t.Error("newSender test failed because of timeout")
+				isDone = true
+			}
+		}
+		newSender.Stop()
+	}
+}

bridge/internal/controller/watcher/batch_proposer.go

@@ -0,0 +1,384 @@
+package watcher
+
+import (
+	"context"
+	"fmt"
+	"math"
+	"sync"
+	"time"
+
+	"github.com/scroll-tech/go-ethereum/log"
+	gethMetrics "github.com/scroll-tech/go-ethereum/metrics"
+	"gorm.io/gorm"
+
+	bridgeAbi "scroll-tech/bridge/internal/abi"
+	"scroll-tech/bridge/internal/config"
+	"scroll-tech/bridge/internal/controller/relayer"
+	"scroll-tech/bridge/internal/orm"
+	bridgeTypes "scroll-tech/bridge/internal/types"
+	"scroll-tech/common/metrics"
+)
+
+var (
+	bridgeL2BatchesGasOverThresholdTotalCounter = gethMetrics.NewRegisteredCounter("bridge/l2/batches/gas/over/threshold/total", metrics.ScrollRegistry)
+	bridgeL2BatchesTxsOverThresholdTotalCounter = gethMetrics.NewRegisteredCounter("bridge/l2/batches/txs/over/threshold/total", metrics.ScrollRegistry)
+	bridgeL2BatchesBlocksCreatedTotalCounter    = gethMetrics.NewRegisteredCounter("bridge/l2/batches/blocks/created/total", metrics.ScrollRegistry)
+	bridgeL2BatchesCommitsSentTotalCounter      = gethMetrics.NewRegisteredCounter("bridge/l2/batches/commits/sent/total", metrics.ScrollRegistry)
+
+	bridgeL2BatchesTxsCreatedPerBatchGauge = gethMetrics.NewRegisteredGauge("bridge/l2/batches/txs/created/per/batch", metrics.ScrollRegistry)
+	bridgeL2BatchesGasCreatedPerBatchGauge = gethMetrics.NewRegisteredGauge("bridge/l2/batches/gas/created/per/batch", metrics.ScrollRegistry)
+)
+
+// BatchProposer sends batches commit transactions to relayer.
+type BatchProposer struct {
+	mutex sync.Mutex
+	ctx   context.Context
+	db    *gorm.DB
+
+	batchTimeSec             uint64
+	batchGasThreshold        uint64
+	batchTxNumThreshold      uint64
+	batchBlocksLimit         uint64
+	batchCommitTimeSec       uint64
+	commitCalldataSizeLimit  uint64
+	batchDataBufferSizeLimit uint64
+	commitCalldataMinSize    uint64
+
+	proofGenerationFreq uint64
+	batchDataBuffer     []*bridgeTypes.BatchData
+	relayer             *relayer.Layer2Relayer
+
+	blockBatchOrm *orm.BlockBatch
+	blockTraceOrm *orm.BlockTrace
+
+	piCfg *bridgeTypes.PublicInputHashConfig
+}
+
+// NewBatchProposer will return a new instance of BatchProposer.
+func NewBatchProposer(ctx context.Context, cfg *config.BatchProposerConfig, relayer *relayer.Layer2Relayer, db *gorm.DB) *BatchProposer {
+	p := &BatchProposer{
+		mutex:                    sync.Mutex{},
+		ctx:                      ctx,
+		db:                       db,
+		blockBatchOrm:            orm.NewBlockBatch(db),
+		blockTraceOrm:            orm.NewBlockTrace(db),
+		batchTimeSec:             cfg.BatchTimeSec,
+		batchGasThreshold:        cfg.BatchGasThreshold,
+		batchTxNumThreshold:      cfg.BatchTxNumThreshold,
+		batchBlocksLimit:         cfg.BatchBlocksLimit,
+		batchCommitTimeSec:       cfg.BatchCommitTimeSec,
+		commitCalldataSizeLimit:  cfg.CommitTxCalldataSizeLimit,
+		commitCalldataMinSize:    cfg.CommitTxCalldataMinSize,
+		batchDataBufferSizeLimit: 100*cfg.CommitTxCalldataSizeLimit + 1*1024*1024, // @todo: determine the value.
+		proofGenerationFreq:      cfg.ProofGenerationFreq,
+		piCfg:                    cfg.PublicInputConfig,
+		relayer:                  relayer,
+	}
+
+	// for graceful restart.
+	p.recoverBatchDataBuffer()
+
+	// try to commit the leftover pending batches
+	p.TryCommitBatches()
+
+	return p
+}
+
+func (p *BatchProposer) recoverBatchDataBuffer() {
+	// batches are sorted by batch index in increasing order
+	batchHashes, err := p.blockBatchOrm.GetPendingBatches(math.MaxInt32)
+	if err != nil {
+		log.Crit("Failed to fetch pending L2 batches", "err", err)
+	}
+	if len(batchHashes) == 0 {
+		return
+	}
+	log.Info("Load pending batches into batchDataBuffer")
+
+	// helper function to cache and get BlockBatch from DB
+	blockBatchCache := make(map[string]orm.BlockBatch)
+	getBlockBatch := func(batchHash string) (*orm.BlockBatch, error) {
+		if blockBatch, ok := blockBatchCache[batchHash]; ok {
+			return &blockBatch, nil
+		}
+		blockBatches, err := p.blockBatchOrm.GetBlockBatches(map[string]interface{}{"hash": batchHash}, nil, 0)
+		if err != nil || len(blockBatches) == 0 {
+			return nil, err
+		}
+		blockBatchCache[batchHash] = blockBatches[0]
+		return &blockBatches[0], nil
+	}
+
+	// recover the in-memory batchData from DB
+	for _, batchHash := range batchHashes {
+		log.Info("recover batch data from pending batch", "batch_hash", batchHash)
+		blockBatch, err := getBlockBatch(batchHash)
+		if err != nil {
+			log.Error("could not get BlockBatch", "batch_hash", batchHash, "error", err)
+			continue
+		}
+
+		parentBatch, err := getBlockBatch(blockBatch.ParentHash)
+		if err != nil {
+			log.Error("could not get parent BlockBatch", "batch_hash", batchHash, "error", err)
+			continue
+		}
+
+		whereFileds := map[string]interface{}{
+			"batch_hash": batchHash,
+		}
+		orderByList := []string{
+			"number ASC",
+		}
+
+		blockTraces, err := p.blockTraceOrm.GetL2BlockInfos(whereFileds, orderByList, 0)
+		if err != nil {
+			log.Error("could not GetL2BlockInfos", "batch_hash", batchHash, "error", err)
+			continue
+		}
+		if len(blockTraces) != int(blockBatch.EndBlockNumber-blockBatch.StartBlockNumber+1) {
+			log.Error("the number of block info retrieved from DB mistmatches the batch info in the DB",
+				"len(blockInfos)", len(blockTraces),
+				"expected", blockBatch.EndBlockNumber-blockBatch.StartBlockNumber+1)
+			continue
+		}
+
+		batchData, err := p.generateBatchData(parentBatch, blockTraces)
+		if err != nil {
+			continue
+		}
+		if batchData.Hash().Hex() != batchHash {
+			log.Error("the hash from recovered batch data mismatches the DB entry",
+				"recovered_batch_hash", batchData.Hash().Hex(),
+				"expected", batchHash)
+			continue
+		}
+
+		p.batchDataBuffer = append(p.batchDataBuffer, batchData)
+	}
+}
+
+// TryProposeBatch will try to propose a batch.
+func (p *BatchProposer) TryProposeBatch() {
+	p.mutex.Lock()
+	defer p.mutex.Unlock()
+
+	for p.getBatchDataBufferSize() < p.batchDataBufferSizeLimit {
+		orderBy := []string{"number ASC"}
+		blockTraces, err := p.blockTraceOrm.GetUnbatchedL2Blocks(map[string]interface{}{}, orderBy, int(p.batchBlocksLimit))
+		if err != nil {
+			log.Error("failed to get unbatched blocks", "err", err)
+			return
+		}
+
+		batchCreated := p.proposeBatch(blockTraces)
+
+		// 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)
+		}
+	}
+}
+
+// TryCommitBatches will try to commit the pending batches.
+func (p *BatchProposer) TryCommitBatches() {
+	p.mutex.Lock()
+	defer p.mutex.Unlock()
+
+	if len(p.batchDataBuffer) == 0 {
+		return
+	}
+
+	// estimate the calldata length to determine whether to commit the pending batches
+	index := 0
+	commit := false
+	calldataByteLen := uint64(0)
+	for ; index < len(p.batchDataBuffer); index++ {
+		calldataByteLen += bridgeAbi.GetBatchCalldataLength(&p.batchDataBuffer[index].Batch)
+		if calldataByteLen > p.commitCalldataSizeLimit {
+			commit = true
+			if index == 0 {
+				log.Warn(
+					"The calldata size of one batch is larger than the threshold",
+					"batch_hash", p.batchDataBuffer[0].Hash().Hex(),
+					"calldata_size", calldataByteLen,
+				)
+				index = 1
+			}
+			break
+		}
+	}
+	if !commit && p.batchDataBuffer[0].Timestamp()+p.batchCommitTimeSec > uint64(time.Now().Unix()) {
+		return
+	}
+
+	// Send commit tx for batchDataBuffer[0:index]
+	log.Info("Commit batches", "start_index", p.batchDataBuffer[0].Batch.BatchIndex,
+		"end_index", p.batchDataBuffer[index-1].Batch.BatchIndex)
+	err := p.relayer.SendCommitTx(p.batchDataBuffer[:index])
+	if err != nil {
+		// leave the retry to the next ticker
+		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(blockTraces []orm.BlockTrace) bool {
+	if len(blockTraces) == 0 {
+		return false
+	}
+
+	approximatePayloadSize := func(hash string) (uint64, error) {
+		traces, err := p.blockTraceOrm.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(blockTraces[0].Hash)
+	if err != nil {
+		log.Error("failed to create batch", "number", blockTraces[0].Number, "err", err)
+		return false
+	}
+
+	if firstSize > p.commitCalldataSizeLimit {
+		log.Warn("oversized payload even for only 1 block", "height", blockTraces[0].Number, "size", firstSize)
+		// note: we should probably fail here once we can ensure this will not happen
+		if err := p.createBatchForBlocks(blockTraces[:1]); err != nil {
+			log.Error("failed to create batch", "number", blockTraces[0].Number, "err", err)
+			return false
+		}
+		bridgeL2BatchesTxsCreatedPerBatchGauge.Update(int64(blockTraces[0].TxNum))
+		bridgeL2BatchesGasCreatedPerBatchGauge.Update(int64(blockTraces[0].GasUsed))
+		bridgeL2BatchesBlocksCreatedTotalCounter.Inc(1)
+		return true
+	}
+
+	if blockTraces[0].GasUsed > p.batchGasThreshold {
+		bridgeL2BatchesGasOverThresholdTotalCounter.Inc(1)
+		log.Warn("gas overflow even for only 1 block", "height", blockTraces[0].Number, "gas", blockTraces[0].GasUsed)
+		if err := p.createBatchForBlocks(blockTraces[:1]); err != nil {
+			log.Error("failed to create batch", "number", blockTraces[0].Number, "err", err)
+		} else {
+			bridgeL2BatchesTxsCreatedPerBatchGauge.Update(int64(blockTraces[0].TxNum))
+			bridgeL2BatchesGasCreatedPerBatchGauge.Update(int64(blockTraces[0].GasUsed))
+			bridgeL2BatchesBlocksCreatedTotalCounter.Inc(1)
+		}
+		return true
+	}
+
+	if blockTraces[0].TxNum > p.batchTxNumThreshold {
+		bridgeL2BatchesTxsOverThresholdTotalCounter.Inc(1)
+		log.Warn("too many txs even for only 1 block", "height", blockTraces[0].Number, "tx_num", blockTraces[0].TxNum)
+		if err := p.createBatchForBlocks(blockTraces[:1]); err != nil {
+			log.Error("failed to create batch", "number", blockTraces[0].Number, "err", err)
+		} else {
+			bridgeL2BatchesTxsCreatedPerBatchGauge.Update(int64(blockTraces[0].TxNum))
+			bridgeL2BatchesGasCreatedPerBatchGauge.Update(int64(blockTraces[0].GasUsed))
+			bridgeL2BatchesBlocksCreatedTotalCounter.Inc(1)
+		}
+		return true
+	}
+
+	var gasUsed, txNum, payloadSize uint64
+	reachThreshold := false
+	// add blocks into batch until reach batchGasThreshold
+	for i, block := range blockTraces {
+		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) {
+			blockTraces = blockTraces[: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 && blockTraces[0].BlockTimestamp+p.batchTimeSec > uint64(time.Now().Unix()) {
+		return false
+	}
+
+	if err := p.createBatchForBlocks(blockTraces); err != nil {
+		log.Error("failed to create batch", "from", blockTraces[0].Number, "to", blockTraces[len(blockTraces)-1].Number, "err", err)
+	} else {
+		bridgeL2BatchesTxsCreatedPerBatchGauge.Update(int64(txNum))
+		bridgeL2BatchesGasCreatedPerBatchGauge.Update(int64(gasUsed))
+		bridgeL2BatchesBlocksCreatedTotalCounter.Inc(int64(len(blockTraces)))
+	}
+
+	return true
+}
+
+func (p *BatchProposer) createBatchForBlocks(blocks []orm.BlockTrace) error {
+	lastBatch, err := p.blockBatchOrm.GetLatestBatch()
+	if err != nil {
+		// We should not receive sql.ErrNoRows error. The DB should have the batch entry that contains the genesis block.
+		return err
+	}
+
+	batchData, err := p.generateBatchData(lastBatch, blocks)
+	if err != nil {
+		log.Error("createBatchData failed", "error", err)
+		return err
+	}
+
+	if err := orm.AddBatchInfoToDB(p.db, batchData); err != nil {
+		log.Error("addBatchInfoToDB failed", "BatchHash", batchData.Hash(), "error", err)
+		return err
+	}
+
+	p.batchDataBuffer = append(p.batchDataBuffer, batchData)
+	return nil
+}
+
+func (p *BatchProposer) generateBatchData(parentBatch *orm.BlockBatch, blocks []orm.BlockTrace) (*bridgeTypes.BatchData, error) {
+	var wrappedBlocks []*bridgeTypes.WrappedBlock
+	for _, block := range blocks {
+		trs, err := p.blockTraceOrm.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
+		}
+
+		tmpWrappedBlock := bridgeTypes.WrappedBlock{
+			Header:           trs[0].Header,
+			Transactions:     trs[0].Transactions,
+			WithdrawTrieRoot: trs[0].WithdrawTrieRoot,
+		}
+		wrappedBlocks = append(wrappedBlocks, &tmpWrappedBlock)
+	}
+	return bridgeTypes.NewBatchData(parentBatch, wrappedBlocks, p.piCfg), nil
+}
+
+func (p *BatchProposer) getBatchDataBufferSize() (size uint64) {
+	for _, batchData := range p.batchDataBuffer {
+		size += bridgeAbi.GetBatchCalldataLength(&batchData.Batch)
+	}
+	return
+}

bridge/internal/controller/watcher/batch_proposer_test.go

@@ -0,0 +1,206 @@
+package watcher
+
+import (
+	"context"
+	"math"
+	"strings"
+	"testing"
+	"time"
+
+	"github.com/agiledragon/gomonkey/v2"
+	"github.com/scroll-tech/go-ethereum/common"
+	gethTtypes "github.com/scroll-tech/go-ethereum/core/types"
+	"github.com/stretchr/testify/assert"
+	"gorm.io/gorm"
+
+	"scroll-tech/common/types"
+
+	"scroll-tech/bridge/internal/config"
+	"scroll-tech/bridge/internal/controller/relayer"
+	"scroll-tech/bridge/internal/orm"
+	bridgeTypes "scroll-tech/bridge/internal/types"
+	bridgeUtils "scroll-tech/bridge/internal/utils"
+)
+
+func testBatchProposerProposeBatch(t *testing.T) {
+	db := setupDB(t)
+	defer bridgeUtils.CloseDB(db)
+
+	p := &BatchProposer{
+		batchGasThreshold:       1000,
+		batchTxNumThreshold:     10,
+		batchTimeSec:            300,
+		commitCalldataSizeLimit: 500,
+	}
+
+	patchGuard := gomonkey.ApplyMethodFunc(db, "GetL2WrappedBlocks", func(fields map[string]interface{}, args ...string) ([]*types.WrappedBlock, error) {
+		hash, _ := fields["hash"].(string)
+		if hash == "blockWithLongData" {
+			longData := strings.Repeat("0", 1000)
+			return []*types.WrappedBlock{{
+				Transactions: []*gethTtypes.TransactionData{{
+					Data: longData,
+				}},
+			}}, nil
+		}
+		return []*types.WrappedBlock{{
+			Transactions: []*gethTtypes.TransactionData{{
+				Data: "short",
+			}},
+		}}, nil
+	})
+	defer patchGuard.Reset()
+	patchGuard.ApplyPrivateMethod(p, "createBatchForBlocks", func(*BatchProposer, []*types.BlockInfo) error {
+		return nil
+	})
+
+	block1 := orm.BlockTrace{Number: 1, GasUsed: 100, TxNum: 1, BlockTimestamp: uint64(time.Now().Unix()) - 200}
+	block2 := orm.BlockTrace{Number: 2, GasUsed: 200, TxNum: 2, BlockTimestamp: uint64(time.Now().Unix())}
+	block3 := orm.BlockTrace{Number: 3, GasUsed: 300, TxNum: 11, BlockTimestamp: uint64(time.Now().Unix())}
+	block4 := orm.BlockTrace{Number: 4, GasUsed: 1001, TxNum: 3, BlockTimestamp: uint64(time.Now().Unix())}
+	blockOutdated := orm.BlockTrace{Number: 1, GasUsed: 100, TxNum: 1, BlockTimestamp: uint64(time.Now().Add(-400 * time.Second).Unix())}
+	blockWithLongData := orm.BlockTrace{Hash: "blockWithLongData", Number: 5, GasUsed: 500, TxNum: 1, BlockTimestamp: uint64(time.Now().Unix())}
+
+	testCases := []struct {
+		description string
+		blocks      []orm.BlockTrace
+		expectedRes bool
+	}{
+		{"Empty block list", []orm.BlockTrace{}, false},
+		{"Single block exceeding gas threshold", []orm.BlockTrace{block4}, true},
+		{"Single block exceeding transaction number threshold", []orm.BlockTrace{block3}, true},
+		{"Multiple blocks meeting thresholds", []orm.BlockTrace{block1, block2, block3}, true},
+		{"Multiple blocks not meeting thresholds", []orm.BlockTrace{block1, block2}, false},
+		{"Outdated and valid block", []orm.BlockTrace{blockOutdated, block2}, true},
+		{"Single block with long data", []orm.BlockTrace{blockWithLongData}, true},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.description, func(t *testing.T) {
+			assert.Equal(t, tc.expectedRes, p.proposeBatch(tc.blocks), "Failed on: %s", tc.description)
+		})
+	}
+}
+
+func testBatchProposerBatchGeneration(t *testing.T) {
+	db := setupDB(t)
+	subCtx, cancel := context.WithCancel(context.Background())
+	defer func() {
+		bridgeUtils.CloseDB(db)
+		cancel()
+	}()
+	blockTraceOrm := orm.NewBlockTrace(db)
+	// Insert traces into db.
+	assert.NoError(t, blockTraceOrm.InsertWrappedBlocks([]*bridgeTypes.WrappedBlock{wrappedBlock1}))
+
+	l2cfg := cfg.L2Config
+	wc := NewL2WatcherClient(context.Background(), l2Cli, l2cfg.Confirmations, l2cfg.L2MessengerAddress, l2cfg.L2MessageQueueAddress, l2cfg.WithdrawTrieRootSlot, db)
+	loopToFetchEvent(subCtx, wc)
+
+	blockBatchOrm := orm.NewBlockBatch(db)
+	batch, err := blockBatchOrm.GetLatestBatch()
+	assert.NoError(t, err)
+
+	// Create a new batch.
+	batchData := bridgeTypes.NewBatchData(&orm.BlockBatch{
+		Index:     0,
+		Hash:      batch.Hash,
+		StateRoot: batch.StateRoot,
+	}, []*bridgeTypes.WrappedBlock{wrappedBlock1}, nil)
+
+	relayer, err := relayer.NewLayer2Relayer(context.Background(), l2Cli, db, cfg.L2Config.RelayerConfig)
+	assert.NoError(t, err)
+
+	proposer := NewBatchProposer(context.Background(), &config.BatchProposerConfig{
+		ProofGenerationFreq: 1,
+		BatchGasThreshold:   3000000,
+		BatchTxNumThreshold: 135,
+		BatchTimeSec:        1,
+		BatchBlocksLimit:    100,
+	}, relayer, db)
+	proposer.TryProposeBatch()
+
+	infos, err := blockTraceOrm.GetUnbatchedL2Blocks(map[string]interface{}{}, []string{"number ASC"}, 100)
+	assert.NoError(t, err)
+	assert.Equal(t, 0, len(infos))
+
+	batches, err := blockBatchOrm.GetBlockBatches(map[string]interface{}{"hash": batchData.Hash().Hex()}, nil, 1)
+	assert.NoError(t, err)
+	assert.Equal(t, 1, len(batches))
+}
+
+func testBatchProposerGracefulRestart(t *testing.T) {
+	db := setupDB(t)
+	defer bridgeUtils.CloseDB(db)
+
+	relayer, err := relayer.NewLayer2Relayer(context.Background(), l2Cli, db, cfg.L2Config.RelayerConfig)
+	assert.NoError(t, err)
+
+	blockTraceOrm := orm.NewBlockTrace(db)
+	// Insert traces into db.
+	assert.NoError(t, blockTraceOrm.InsertWrappedBlocks([]*bridgeTypes.WrappedBlock{wrappedBlock2}))
+
+	// Insert block batch into db.
+	insertBlockBatch := &orm.BlockBatch{
+		Index:     0,
+		Hash:      common.Hash{}.String(),
+		StateRoot: common.Hash{}.String(),
+	}
+	wrapperBlock := []*bridgeTypes.WrappedBlock{wrappedBlock1}
+	batchData1 := bridgeTypes.NewBatchData(insertBlockBatch, wrapperBlock, nil)
+
+	parentBatch2 := &orm.BlockBatch{
+		Index:     batchData1.Batch.BatchIndex,
+		Hash:      batchData1.Hash().Hex(),
+		StateRoot: batchData1.Batch.NewStateRoot.String(),
+	}
+	batchData2 := bridgeTypes.NewBatchData(parentBatch2, []*bridgeTypes.WrappedBlock{wrappedBlock2}, nil)
+
+	blockBatchOrm := orm.NewBlockBatch(db)
+	err = db.Transaction(func(tx *gorm.DB) error {
+		_, dbTxErr := blockBatchOrm.InsertBlockBatchByBatchData(tx, batchData1)
+		if dbTxErr != nil {
+			return dbTxErr
+		}
+		_, dbTxErr = blockBatchOrm.InsertBlockBatchByBatchData(tx, batchData2)
+		if dbTxErr != nil {
+			return dbTxErr
+		}
+		numbers1 := []uint64{batchData1.Batch.Blocks[0].BlockNumber}
+		hash1 := batchData1.Hash().Hex()
+		dbTxErr = blockTraceOrm.UpdateBatchHashForL2Blocks(tx, numbers1, hash1)
+		if dbTxErr != nil {
+			return dbTxErr
+		}
+		numbers2 := []uint64{batchData2.Batch.Blocks[0].BlockNumber}
+		hash2 := batchData2.Hash().Hex()
+		dbTxErr = blockTraceOrm.UpdateBatchHashForL2Blocks(tx, numbers2, hash2)
+		if dbTxErr != nil {
+			return dbTxErr
+		}
+		return nil
+	})
+	assert.NoError(t, err)
+	err = blockBatchOrm.UpdateRollupStatus(context.Background(), batchData1.Hash().Hex(), types.RollupFinalized)
+	assert.NoError(t, err)
+	batchHashes, err := blockBatchOrm.GetPendingBatches(math.MaxInt32)
+	assert.NoError(t, err)
+	assert.Equal(t, 1, len(batchHashes))
+	assert.Equal(t, batchData2.Hash().Hex(), batchHashes[0])
+	// test p.recoverBatchDataBuffer().
+	_ = NewBatchProposer(context.Background(), &config.BatchProposerConfig{
+		ProofGenerationFreq: 1,
+		BatchGasThreshold:   3000000,
+		BatchTxNumThreshold: 135,
+		BatchTimeSec:        1,
+		BatchBlocksLimit:    100,
+	}, relayer, db)
+
+	batchHashes, err = blockBatchOrm.GetPendingBatches(math.MaxInt32)
+	assert.NoError(t, err)
+	assert.Equal(t, 0, len(batchHashes))
+
+	batches, err := blockBatchOrm.GetBlockBatches(map[string]interface{}{"hash": batchData2.Hash().Hex()}, nil, 1)
+	assert.NoError(t, err)
+	assert.Equal(t, 1, len(batches))
+}

bridge/internal/controller/watcher/common.go

@@ -1,6 +1,8 @@
 package watcher
 
-import "github.com/scroll-tech/go-ethereum/common"
+import (
+	"github.com/scroll-tech/go-ethereum/common"
+)
 
 const contractEventsBlocksFetchLimit = int64(10)
 

bridge/internal/controller/watcher/l1_watcher.go

@@ -2,10 +2,6 @@ package watcher
 
 import (
 	"context"
-	"errors"
-	"math/big"
-
-	"github.com/prometheus/client_golang/prometheus"
 	geth "github.com/scroll-tech/go-ethereum"
 	"github.com/scroll-tech/go-ethereum/accounts/abi"
 	"github.com/scroll-tech/go-ethereum/common"
@@ -13,14 +9,24 @@ import (
 	"github.com/scroll-tech/go-ethereum/crypto"
 	"github.com/scroll-tech/go-ethereum/ethclient"
 	"github.com/scroll-tech/go-ethereum/log"
+	gethMetrics "github.com/scroll-tech/go-ethereum/metrics"
 	"github.com/scroll-tech/go-ethereum/rpc"
 	"gorm.io/gorm"
+	"math/big"
 
+	"scroll-tech/common/metrics"
 	"scroll-tech/common/types"
 
-	bridgeAbi "scroll-tech/rollup/abi"
-	"scroll-tech/rollup/internal/orm"
-	"scroll-tech/rollup/internal/utils"
+	bridgeAbi "scroll-tech/bridge/internal/abi"
+	"scroll-tech/bridge/internal/orm"
+	"scroll-tech/bridge/internal/utils"
+)
+
+var (
+	bridgeL1MsgsSyncHeightGauge           = gethMetrics.NewRegisteredGauge("bridge/l1/msgs/sync/height", metrics.ScrollRegistry)
+	bridgeL1MsgsSentEventsTotalCounter    = gethMetrics.NewRegisteredCounter("bridge/l1/msgs/sent/events/total", metrics.ScrollRegistry)
+	bridgeL1MsgsRelayedEventsTotalCounter = gethMetrics.NewRegisteredCounter("bridge/l1/msgs/relayed/events/total", metrics.ScrollRegistry)
+	bridgeL1MsgsRollupEventsTotalCounter  = gethMetrics.NewRegisteredCounter("bridge/l1/msgs/rollup/events/total", metrics.ScrollRegistry)
 )
 
 type rollupEvent struct {
@@ -34,12 +40,16 @@ type L1WatcherClient struct {
 	ctx          context.Context
 	client       *ethclient.Client
 	l1MessageOrm *orm.L1Message
+	l2MessageOrm *orm.L2Message
 	l1BlockOrm   *orm.L1Block
-	batchOrm     *orm.Batch
+	l1BatchOrm   *orm.BlockBatch
 
 	// The number of new blocks to wait for a block to be confirmed
 	confirmations rpc.BlockNumber
 
+	messengerAddress common.Address
+	messengerABI     *abi.ABI
+
 	messageQueueAddress common.Address
 	messageQueueABI     *abi.ABI
 
@@ -50,24 +60,22 @@ type L1WatcherClient struct {
 	processedMsgHeight uint64
 	// The height of the block that the watcher has retrieved header rlp
 	processedBlockHeight uint64
-
-	metrics *l1WatcherMetrics
 }
 
 // NewL1WatcherClient returns a new instance of L1WatcherClient.
-func NewL1WatcherClient(ctx context.Context, client *ethclient.Client, startHeight uint64, confirmations rpc.BlockNumber, messageQueueAddress, scrollChainAddress common.Address, db *gorm.DB, reg prometheus.Registerer) *L1WatcherClient {
+func NewL1WatcherClient(ctx context.Context, client *ethclient.Client, startHeight uint64, confirmations rpc.BlockNumber, messengerAddress, messageQueueAddress, scrollChainAddress common.Address, db *gorm.DB) *L1WatcherClient {
 	l1MessageOrm := orm.NewL1Message(db)
 	savedHeight, err := l1MessageOrm.GetLayer1LatestWatchedHeight()
 	if err != nil {
 		log.Warn("Failed to fetch height from db", "err", err)
 		savedHeight = 0
 	}
-	if savedHeight < int64(startHeight) {
-		savedHeight = int64(startHeight)
+	if savedHeight < startHeight {
+		savedHeight = startHeight
 	}
 
 	l1BlockOrm := orm.NewL1Block(db)
-	savedL1BlockHeight, err := l1BlockOrm.GetLatestL1BlockHeight(ctx)
+	savedL1BlockHeight, err := l1BlockOrm.GetLatestL1BlockHeight()
 	if err != nil {
 		log.Warn("Failed to fetch latest L1 block height from db", "err", err)
 		savedL1BlockHeight = 0
@@ -81,9 +89,13 @@ func NewL1WatcherClient(ctx context.Context, client *ethclient.Client, startHeig
 		client:        client,
 		l1MessageOrm:  l1MessageOrm,
 		l1BlockOrm:    l1BlockOrm,
-		batchOrm:      orm.NewBatch(db),
+		l1BatchOrm:    orm.NewBlockBatch(db),
+		l2MessageOrm:  orm.NewL2Message(db),
 		confirmations: confirmations,
 
+		messengerAddress: messengerAddress,
+		messengerABI:     bridgeAbi.L1ScrollMessengerABI,
+
 		messageQueueAddress: messageQueueAddress,
 		messageQueueABI:     bridgeAbi.L1MessageQueueABI,
 
@@ -92,7 +104,6 @@ func NewL1WatcherClient(ctx context.Context, client *ethclient.Client, startHeig
 
 		processedMsgHeight:   uint64(savedHeight),
 		processedBlockHeight: savedL1BlockHeight,
-		metrics:              initL1WatcherMetrics(reg),
 	}
 }
 
@@ -116,41 +127,47 @@ func (w *L1WatcherClient) SetConfirmations(confirmations rpc.BlockNumber) {
 
 // FetchBlockHeader pull latest L1 blocks and save in DB
 func (w *L1WatcherClient) FetchBlockHeader(blockHeight uint64) error {
-	w.metrics.l1WatcherFetchBlockHeaderTotal.Inc()
+	fromBlock := int64(w.processedBlockHeight) + 1
+	toBlock := int64(blockHeight)
+	if toBlock < fromBlock {
+		return nil
+	}
+	if toBlock > fromBlock+contractEventsBlocksFetchLimit {
+		toBlock = fromBlock + contractEventsBlocksFetchLimit - 1
+	}
 
-	var block *gethTypes.Header
-	block, err := w.client.HeaderByNumber(w.ctx, big.NewInt(int64(blockHeight)))
-	if err != nil {
-		log.Warn("Failed to get block", "height", blockHeight, "err", err)
+	var blocks []orm.L1Block
+	var err error
+	height := fromBlock
+	for ; height <= toBlock; height++ {
+		var block *gethTypes.Header
+		block, err = w.client.HeaderByNumber(w.ctx, big.NewInt(height))
+		if err != nil {
+			log.Warn("Failed to get block", "height", height, "err", err)
+			break
+		}
+		blocks = append(blocks, orm.L1Block{
+			Number:  uint64(height),
+			Hash:    block.Hash().String(),
+			BaseFee: block.BaseFee.Uint64(),
+		})
+	}
+
+	// failed at first block, return with the error
+	if height == fromBlock {
 		return err
 	}
+	toBlock = height - 1
 
-	if block == nil {
-		log.Warn("Received nil block", "height", blockHeight)
-		return errors.New("received nil block")
-	}
-
-	var baseFee uint64
-	if block.BaseFee != nil {
-		baseFee = block.BaseFee.Uint64()
-	}
-
-	l1Block := orm.L1Block{
-		Number:          blockHeight,
-		Hash:            block.Hash().String(),
-		BaseFee:         baseFee,
-		GasOracleStatus: int16(types.GasOraclePending),
-	}
-
-	err = w.l1BlockOrm.InsertL1Blocks(w.ctx, []orm.L1Block{l1Block})
+	// insert succeed blocks
+	err = w.l1BlockOrm.InsertL1Blocks(w.ctx, blocks)
 	if err != nil {
-		log.Warn("Failed to insert L1 block to db", "blockHeight", blockHeight, "err", err)
+		log.Warn("Failed to insert L1 block to db", "fromBlock", fromBlock, "toBlock", toBlock, "err", err)
 		return err
 	}
 
 	// update processed height
-	w.processedBlockHeight = blockHeight
-	w.metrics.l1WatcherFetchBlockHeaderProcessedBlockHeight.Set(float64(w.processedBlockHeight))
+	w.processedBlockHeight = uint64(toBlock)
 	return nil
 }
 
@@ -169,7 +186,6 @@ func (w *L1WatcherClient) FetchContractEvent() error {
 	toBlock := int64(blockHeight)
 
 	for from := fromBlock; from <= toBlock; from += contractEventsBlocksFetchLimit {
-		w.metrics.l1WatcherFetchContractEventTotal.Inc()
 		to := from + contractEventsBlocksFetchLimit - 1
 
 		if to > toBlock {
@@ -181,15 +197,18 @@ func (w *L1WatcherClient) FetchContractEvent() error {
 			FromBlock: big.NewInt(from), // inclusive
 			ToBlock:   big.NewInt(to),   // inclusive
 			Addresses: []common.Address{
+				w.messengerAddress,
 				w.scrollChainAddress,
 				w.messageQueueAddress,
 			},
 			Topics: make([][]common.Hash, 1),
 		}
-		query.Topics[0] = make([]common.Hash, 3)
+		query.Topics[0] = make([]common.Hash, 5)
 		query.Topics[0][0] = bridgeAbi.L1QueueTransactionEventSignature
-		query.Topics[0][1] = bridgeAbi.L1CommitBatchEventSignature
-		query.Topics[0][2] = bridgeAbi.L1FinalizeBatchEventSignature
+		query.Topics[0][1] = bridgeAbi.L1RelayedMessageEventSignature
+		query.Topics[0][2] = bridgeAbi.L1FailedRelayedMessageEventSignature
+		query.Topics[0][3] = bridgeAbi.L1CommitBatchEventSignature
+		query.Topics[0][4] = bridgeAbi.L1FinalizeBatchEventSignature
 
 		logs, err := w.client.FilterLogs(w.ctx, query)
 		if err != nil {
@@ -198,29 +217,30 @@ func (w *L1WatcherClient) FetchContractEvent() error {
 		}
 		if len(logs) == 0 {
 			w.processedMsgHeight = uint64(to)
-			w.metrics.l1WatcherFetchContractEventProcessedBlockHeight.Set(float64(to))
+			bridgeL1MsgsSyncHeightGauge.Update(to)
 			continue
 		}
-
 		log.Info("Received new L1 events", "fromBlock", from, "toBlock", to, "cnt", len(logs))
 
-		sentMessageEvents, rollupEvents, err := w.parseBridgeEventLogs(logs)
+		sentMessageEvents, relayedMessageEvents, rollupEvents, err := w.parseBridgeEventLogs(logs)
 		if err != nil {
 			log.Error("Failed to parse emitted events log", "err", err)
 			return err
 		}
 		sentMessageCount := int64(len(sentMessageEvents))
+		relayedMessageCount := int64(len(relayedMessageEvents))
 		rollupEventCount := int64(len(rollupEvents))
-		w.metrics.l1WatcherFetchContractEventSentEventsTotal.Add(float64(sentMessageCount))
-		w.metrics.l1WatcherFetchContractEventRollupEventsTotal.Add(float64(rollupEventCount))
-		log.Info("L1 events types", "SentMessageCount", sentMessageCount, "RollupEventCount", rollupEventCount)
+		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
 		for _, event := range rollupEvents {
 			batchHashes = append(batchHashes, event.batchHash.String())
 		}
-		statuses, err := w.batchOrm.GetRollupStatusByHashList(w.ctx, batchHashes)
+		statuses, err := w.l1BatchOrm.GetRollupStatusByHashList(batchHashes)
 		if err != nil {
 			log.Error("Failed to GetRollupStatusByHashList", "err", err)
 			return err
@@ -236,9 +256,9 @@ func (w *L1WatcherClient) FetchContractEvent() error {
 			// only update when db status is before event status
 			if event.status > status {
 				if event.status == types.RollupFinalized {
-					err = w.batchOrm.UpdateFinalizeTxHashAndRollupStatus(w.ctx, batchHash, event.txHash.String(), event.status)
+					err = w.l1BatchOrm.UpdateFinalizeTxHashAndRollupStatus(w.ctx, batchHash, event.txHash.String(), event.status)
 				} else if event.status == types.RollupCommitted {
-					err = w.batchOrm.UpdateCommitTxHashAndRollupStatus(w.ctx, batchHash, event.txHash.String(), event.status)
+					err = w.l1BatchOrm.UpdateCommitTxHashAndRollupStatus(w.ctx, batchHash, event.txHash.String(), event.status)
 				}
 				if err != nil {
 					log.Error("Failed to update Rollup/Finalize TxHash and Status", "err", err)
@@ -247,22 +267,37 @@ func (w *L1WatcherClient) FetchContractEvent() error {
 			}
 		}
 
+		// Update relayed message first to make sure we don't forget to update submitted message.
+		// Since, we always start sync from the latest unprocessed message.
+		for _, msg := range relayedMessageEvents {
+			var msgStatus types.MsgStatus
+			if msg.isSuccessful {
+				msgStatus = types.MsgConfirmed
+			} else {
+				msgStatus = types.MsgFailed
+			}
+			if err = w.l2MessageOrm.UpdateLayer2StatusAndLayer1Hash(w.ctx, msg.msgHash.String(), msgStatus, msg.txHash.String()); err != nil {
+				log.Error("Failed to update layer1 status and layer2 hash", "err", err)
+				return err
+			}
+		}
+
 		if err = w.l1MessageOrm.SaveL1Messages(w.ctx, sentMessageEvents); err != nil {
 			return err
 		}
 
 		w.processedMsgHeight = uint64(to)
-		w.metrics.l1WatcherFetchContractEventSuccessTotal.Inc()
-		w.metrics.l1WatcherFetchContractEventProcessedBlockHeight.Set(float64(w.processedMsgHeight))
+		bridgeL1MsgsSyncHeightGauge.Update(to)
 	}
 
 	return nil
 }
 
-func (w *L1WatcherClient) parseBridgeEventLogs(logs []gethTypes.Log) ([]*orm.L1Message, []rollupEvent, error) {
+func (w *L1WatcherClient) parseBridgeEventLogs(logs []gethTypes.Log) ([]*orm.L1Message, []relayedMessage, []rollupEvent, error) {
 	// Need use contract abi to parse event Log
 	// Can only be tested after we have our contracts set up
 	var l1Messages []*orm.L1Message
+	var relayedMessages []relayedMessage
 	var rollupEvents []rollupEvent
 	for _, vLog := range logs {
 		switch vLog.Topics[0] {
@@ -271,13 +306,13 @@ func (w *L1WatcherClient) parseBridgeEventLogs(logs []gethTypes.Log) ([]*orm.L1M
 			err := utils.UnpackLog(w.messageQueueABI, &event, "QueueTransaction", vLog)
 			if err != nil {
 				log.Warn("Failed to unpack layer1 QueueTransaction event", "err", err)
-				return l1Messages, rollupEvents, err
+				return l1Messages, relayedMessages, rollupEvents, err
 			}
 
 			msgHash := common.BytesToHash(crypto.Keccak256(event.Data))
 
 			l1Messages = append(l1Messages, &orm.L1Message{
-				QueueIndex: event.QueueIndex,
+				QueueIndex: event.QueueIndex.Uint64(),
 				MsgHash:    msgHash.String(),
 				Height:     vLog.BlockNumber,
 				Sender:     event.Sender.String(),
@@ -287,12 +322,38 @@ func (w *L1WatcherClient) parseBridgeEventLogs(logs []gethTypes.Log) ([]*orm.L1M
 				GasLimit:   event.GasLimit.Uint64(),
 				Layer1Hash: vLog.TxHash.Hex(),
 			})
+		case bridgeAbi.L1RelayedMessageEventSignature:
+			event := bridgeAbi.L1RelayedMessageEvent{}
+			err := utils.UnpackLog(w.messengerABI, &event, "RelayedMessage", vLog)
+			if err != nil {
+				log.Warn("Failed to unpack layer1 RelayedMessage event", "err", err)
+				return l1Messages, relayedMessages, rollupEvents, err
+			}
+
+			relayedMessages = append(relayedMessages, relayedMessage{
+				msgHash:      event.MessageHash,
+				txHash:       vLog.TxHash,
+				isSuccessful: true,
+			})
+		case bridgeAbi.L1FailedRelayedMessageEventSignature:
+			event := bridgeAbi.L1FailedRelayedMessageEvent{}
+			err := utils.UnpackLog(w.messengerABI, &event, "FailedRelayedMessage", vLog)
+			if err != nil {
+				log.Warn("Failed to unpack layer1 FailedRelayedMessage event", "err", err)
+				return l1Messages, relayedMessages, rollupEvents, err
+			}
+
+			relayedMessages = append(relayedMessages, relayedMessage{
+				msgHash:      event.MessageHash,
+				txHash:       vLog.TxHash,
+				isSuccessful: false,
+			})
 		case bridgeAbi.L1CommitBatchEventSignature:
 			event := bridgeAbi.L1CommitBatchEvent{}
 			err := utils.UnpackLog(w.scrollChainABI, &event, "CommitBatch", vLog)
 			if err != nil {
 				log.Warn("Failed to unpack layer1 CommitBatch event", "err", err)
-				return l1Messages, rollupEvents, err
+				return l1Messages, relayedMessages, rollupEvents, err
 			}
 
 			rollupEvents = append(rollupEvents, rollupEvent{
@@ -305,7 +366,7 @@ func (w *L1WatcherClient) parseBridgeEventLogs(logs []gethTypes.Log) ([]*orm.L1M
 			err := utils.UnpackLog(w.scrollChainABI, &event, "FinalizeBatch", vLog)
 			if err != nil {
 				log.Warn("Failed to unpack layer1 FinalizeBatch event", "err", err)
-				return l1Messages, rollupEvents, err
+				return l1Messages, relayedMessages, rollupEvents, err
 			}
 
 			rollupEvents = append(rollupEvents, rollupEvent{
@@ -318,5 +379,5 @@ func (w *L1WatcherClient) parseBridgeEventLogs(logs []gethTypes.Log) ([]*orm.L1M
 		}
 	}
 
-	return l1Messages, rollupEvents, nil
+	return l1Messages, relayedMessages, rollupEvents, nil
 }

bridge/internal/controller/watcher/l1_watcher_test.go

@@ -3,6 +3,7 @@ package watcher
 import (
 	"context"
 	"errors"
+	"gorm.io/gorm"
 	"math/big"
 	"testing"
 
@@ -11,18 +12,16 @@ import (
 	"github.com/scroll-tech/go-ethereum/accounts/abi"
 	"github.com/scroll-tech/go-ethereum/common"
 	"github.com/scroll-tech/go-ethereum/core/types"
+	gethTypes "github.com/scroll-tech/go-ethereum/core/types"
 	"github.com/scroll-tech/go-ethereum/ethclient"
 	"github.com/scroll-tech/go-ethereum/rpc"
 	"github.com/smartystreets/goconvey/convey"
 	"github.com/stretchr/testify/assert"
-	"gorm.io/gorm"
 
-	"scroll-tech/common/database"
 	commonTypes "scroll-tech/common/types"
 
-	bridgeAbi "scroll-tech/rollup/abi"
-	"scroll-tech/rollup/internal/orm"
-	"scroll-tech/rollup/internal/utils"
+	bridgeAbi "scroll-tech/bridge/internal/abi"
+	"scroll-tech/bridge/internal/utils"
 )
 
 func setupL1Watcher(t *testing.T) (*L1WatcherClient, *gorm.DB) {
@@ -30,20 +29,20 @@ func setupL1Watcher(t *testing.T) (*L1WatcherClient, *gorm.DB) {
 	client, err := ethclient.Dial(base.L1gethImg.Endpoint())
 	assert.NoError(t, err)
 	l1Cfg := cfg.L1Config
-	watcher := NewL1WatcherClient(context.Background(), client, l1Cfg.StartHeight, l1Cfg.Confirmations, l1Cfg.L1MessageQueueAddress, l1Cfg.RelayerConfig.RollupContractAddress, db, nil)
+	watcher := NewL1WatcherClient(context.Background(), client, l1Cfg.StartHeight, l1Cfg.Confirmations, l1Cfg.L1MessengerAddress, l1Cfg.L1MessageQueueAddress, l1Cfg.RelayerConfig.RollupContractAddress, db)
 	assert.NoError(t, watcher.FetchContractEvent())
 	return watcher, db
 }
 
 func testFetchContractEvent(t *testing.T) {
 	watcher, db := setupL1Watcher(t)
-	defer database.CloseDB(db)
+	defer utils.CloseDB(db)
 	assert.NoError(t, watcher.FetchContractEvent())
 }
 
 func testL1WatcherClientFetchBlockHeader(t *testing.T) {
 	watcher, db := setupL1Watcher(t)
-	defer database.CloseDB(db)
+	defer utils.CloseDB(db)
 	convey.Convey("test toBlock < fromBlock", t, func() {
 		var blockHeight uint64
 		if watcher.ProcessedBlockHeight() <= 0 {
@@ -67,7 +66,6 @@ func testL1WatcherClientFetchBlockHeader(t *testing.T) {
 		assert.Error(t, err)
 	})
 
-	var l1BlockOrm *orm.L1Block
 	convey.Convey("insert l1 block error", t, func() {
 		var c *ethclient.Client
 		patchGuard := gomonkey.ApplyMethodFunc(c, "HeaderByNumber", func(ctx context.Context, height *big.Int) (*types.Header, error) {
@@ -81,7 +79,7 @@ func testL1WatcherClientFetchBlockHeader(t *testing.T) {
 		})
 		defer patchGuard.Reset()
 
-		patchGuard.ApplyMethodFunc(l1BlockOrm, "InsertL1Blocks", func(ctx context.Context, blocks []orm.L1Block) error {
+		patchGuard.ApplyMethodFunc(db, "InsertL1Blocks", func(ctx context.Context, blocks []*commonTypes.L1BlockInfo) error {
 			return errors.New("insert failed")
 		})
 
@@ -103,7 +101,7 @@ func testL1WatcherClientFetchBlockHeader(t *testing.T) {
 		})
 		defer patchGuard.Reset()
 
-		patchGuard.ApplyMethodFunc(l1BlockOrm, "InsertL1Blocks", func(ctx context.Context, blocks []orm.L1Block) error {
+		patchGuard.ApplyMethodFunc(db, "InsertL1Blocks", func(ctx context.Context, blocks []*commonTypes.L1BlockInfo) error {
 			return nil
 		})
 
@@ -115,7 +113,7 @@ func testL1WatcherClientFetchBlockHeader(t *testing.T) {
 
 func testL1WatcherClientFetchContractEvent(t *testing.T) {
 	watcher, db := setupL1Watcher(t)
-	defer database.CloseDB(db)
+	defer utils.CloseDB(db)
 
 	watcher.SetConfirmations(rpc.SafeBlockNumber)
 	convey.Convey("get latest confirmed block number failure", t, func() {
@@ -160,14 +158,14 @@ func testL1WatcherClientFetchContractEvent(t *testing.T) {
 
 	convey.Convey("parse bridge event logs failure", t, func() {
 		targetErr := errors.New("parse log failure")
-		patchGuard.ApplyPrivateMethod(watcher, "parseBridgeEventLogs", func(*L1WatcherClient, []types.Log) ([]*orm.L1Message, []rollupEvent, error) {
-			return nil, nil, targetErr
+		patchGuard.ApplyPrivateMethod(watcher, "parseBridgeEventLogs", func(*L1WatcherClient, []gethTypes.Log) ([]*commonTypes.L1Message, []relayedMessage, []rollupEvent, error) {
+			return nil, nil, nil, targetErr
 		})
 		err := watcher.FetchContractEvent()
-		assert.EqualError(t, err, targetErr.Error())
+		assert.Equal(t, err.Error(), targetErr.Error())
 	})
 
-	patchGuard.ApplyPrivateMethod(watcher, "parseBridgeEventLogs", func(*L1WatcherClient, []types.Log) ([]*orm.L1Message, []rollupEvent, error) {
+	patchGuard.ApplyPrivateMethod(watcher, "parseBridgeEventLogs", func(*L1WatcherClient, []gethTypes.Log) ([]*commonTypes.L1Message, []relayedMessage, []rollupEvent, error) {
 		rollupEvents := []rollupEvent{
 			{
 				batchHash: common.HexToHash("0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"),
@@ -180,13 +178,25 @@ func testL1WatcherClientFetchContractEvent(t *testing.T) {
 				status:    commonTypes.RollupCommitted,
 			},
 		}
-		return nil, rollupEvents, nil
+
+		relayedMessageEvents := []relayedMessage{
+			{
+				msgHash:      common.HexToHash("0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"),
+				txHash:       common.HexToHash("0xad3228b676f7d3cd4284a5443f17f1962b36e491b30a40b2405849e597ba5fb5"),
+				isSuccessful: true,
+			},
+			{
+				msgHash:      common.HexToHash("0xad3228b676f7d3cd4284a5443f17f1962b36e491b30a40b2405849e597ba5fb5"),
+				txHash:       common.HexToHash("0xb4c11951957c6f8f642c4af61cd6b24640fec6dc7fc607ee8206a99e92410d30"),
+				isSuccessful: false,
+			},
+		}
+		return nil, relayedMessageEvents, rollupEvents, nil
 	})
 
-	var batchOrm *orm.Batch
 	convey.Convey("db get rollup status by hash list failure", t, func() {
 		targetErr := errors.New("get db failure")
-		patchGuard.ApplyMethodFunc(batchOrm, "GetRollupStatusByHashList", func(context.Context, []string) ([]commonTypes.RollupStatus, error) {
+		patchGuard.ApplyMethodFunc(db, "GetRollupStatusByHashList", func(hashes []string) ([]commonTypes.RollupStatus, error) {
 			return nil, targetErr
 		})
 		err := watcher.FetchContractEvent()
@@ -194,7 +204,7 @@ func testL1WatcherClientFetchContractEvent(t *testing.T) {
 	})
 
 	convey.Convey("rollup status mismatch batch hashes length", t, func() {
-		patchGuard.ApplyMethodFunc(batchOrm, "GetRollupStatusByHashList", func(context.Context, []string) ([]commonTypes.RollupStatus, error) {
+		patchGuard.ApplyMethodFunc(db, "GetRollupStatusByHashList", func(hashes []string) ([]commonTypes.RollupStatus, error) {
 			s := []commonTypes.RollupStatus{
 				commonTypes.RollupFinalized,
 			}
@@ -204,7 +214,7 @@ func testL1WatcherClientFetchContractEvent(t *testing.T) {
 		assert.NoError(t, err)
 	})
 
-	patchGuard.ApplyMethodFunc(batchOrm, "GetRollupStatusByHashList", func(context.Context, []string) ([]commonTypes.RollupStatus, error) {
+	patchGuard.ApplyMethodFunc(db, "GetRollupStatusByHashList", func(hashes []string) ([]commonTypes.RollupStatus, error) {
 		s := []commonTypes.RollupStatus{
 			commonTypes.RollupPending,
 			commonTypes.RollupCommitting,
@@ -214,41 +224,53 @@ func testL1WatcherClientFetchContractEvent(t *testing.T) {
 
 	convey.Convey("db update RollupFinalized status failure", t, func() {
 		targetErr := errors.New("UpdateFinalizeTxHashAndRollupStatus RollupFinalized failure")
-		patchGuard.ApplyMethodFunc(batchOrm, "UpdateFinalizeTxHashAndRollupStatus", func(context.Context, string, string, commonTypes.RollupStatus) error {
+		patchGuard.ApplyMethodFunc(db, "UpdateFinalizeTxHashAndRollupStatus", func(context.Context, string, string, commonTypes.RollupStatus) error {
 			return targetErr
 		})
 		err := watcher.FetchContractEvent()
 		assert.Equal(t, targetErr.Error(), err.Error())
 	})
 
-	patchGuard.ApplyMethodFunc(batchOrm, "UpdateFinalizeTxHashAndRollupStatus", func(context.Context, string, string, commonTypes.RollupStatus) error {
+	patchGuard.ApplyMethodFunc(db, "UpdateFinalizeTxHashAndRollupStatus", func(context.Context, string, string, commonTypes.RollupStatus) error {
 		return nil
 	})
 
 	convey.Convey("db update RollupCommitted status failure", t, func() {
 		targetErr := errors.New("UpdateCommitTxHashAndRollupStatus RollupCommitted failure")
-		patchGuard.ApplyMethodFunc(batchOrm, "UpdateCommitTxHashAndRollupStatus", func(context.Context, string, string, commonTypes.RollupStatus) error {
+		patchGuard.ApplyMethodFunc(db, "UpdateCommitTxHashAndRollupStatus", func(context.Context, string, string, commonTypes.RollupStatus) error {
 			return targetErr
 		})
 		err := watcher.FetchContractEvent()
 		assert.Equal(t, targetErr.Error(), err.Error())
 	})
 
-	patchGuard.ApplyMethodFunc(batchOrm, "UpdateCommitTxHashAndRollupStatus", func(context.Context, string, string, commonTypes.RollupStatus) error {
+	patchGuard.ApplyMethodFunc(db, "UpdateCommitTxHashAndRollupStatus", func(context.Context, string, string, commonTypes.RollupStatus) error {
 		return nil
 	})
 
-	var l1MessageOrm *orm.L1Message
-	convey.Convey("db save l1 message failure", t, func() {
-		targetErr := errors.New("SaveL1Messages failure")
-		patchGuard.ApplyMethodFunc(l1MessageOrm, "SaveL1Messages", func(context.Context, []*orm.L1Message) error {
+	convey.Convey("db update layer2 status and layer1 hash failure", t, func() {
+		targetErr := errors.New("UpdateLayer2StatusAndLayer1Hash failure")
+		patchGuard.ApplyMethodFunc(db, "UpdateLayer2StatusAndLayer1Hash", func(context.Context, string, commonTypes.MsgStatus, string) error {
 			return targetErr
 		})
 		err := watcher.FetchContractEvent()
 		assert.Equal(t, targetErr.Error(), err.Error())
 	})
 
-	patchGuard.ApplyMethodFunc(l1MessageOrm, "SaveL1Messages", func(context.Context, []*orm.L1Message) error {
+	patchGuard.ApplyMethodFunc(db, "UpdateLayer2StatusAndLayer1Hash", func(context.Context, string, commonTypes.MsgStatus, string) error {
+		return nil
+	})
+
+	convey.Convey("db save l1 message failure", t, func() {
+		targetErr := errors.New("SaveL1Messages failure")
+		patchGuard.ApplyMethodFunc(db, "SaveL1Messages", func(context.Context, []*commonTypes.L1Message) error {
+			return targetErr
+		})
+		err := watcher.FetchContractEvent()
+		assert.Equal(t, targetErr.Error(), err.Error())
+	})
+
+	patchGuard.ApplyMethodFunc(db, "SaveL1Messages", func(context.Context, []*commonTypes.L1Message) error {
 		return nil
 	})
 
@@ -260,9 +282,9 @@ func testL1WatcherClientFetchContractEvent(t *testing.T) {
 
 func testParseBridgeEventLogsL1QueueTransactionEventSignature(t *testing.T) {
 	watcher, db := setupL1Watcher(t)
-	defer database.CloseDB(db)
+	defer utils.CloseDB(db)
 
-	logs := []types.Log{
+	logs := []gethTypes.Log{
 		{
 			Topics:      []common.Hash{bridgeAbi.L1QueueTransactionEventSignature},
 			BlockNumber: 100,
@@ -277,16 +299,17 @@ func testParseBridgeEventLogsL1QueueTransactionEventSignature(t *testing.T) {
 		})
 		defer patchGuard.Reset()
 
-		l2Messages, rollupEvents, err := watcher.parseBridgeEventLogs(logs)
+		l2Messages, relayedMessages, rollupEvents, err := watcher.parseBridgeEventLogs(logs)
 		assert.EqualError(t, err, targetErr.Error())
 		assert.Empty(t, l2Messages)
+		assert.Empty(t, relayedMessages)
 		assert.Empty(t, rollupEvents)
 	})
 
 	convey.Convey("L1QueueTransactionEventSignature success", t, func() {
 		patchGuard := gomonkey.ApplyFunc(utils.UnpackLog, func(c *abi.ABI, out interface{}, event string, log types.Log) error {
 			tmpOut := out.(*bridgeAbi.L1QueueTransactionEvent)
-			tmpOut.QueueIndex = 100
+			tmpOut.QueueIndex = big.NewInt(100)
 			tmpOut.Data = []byte("test data")
 			tmpOut.Sender = common.HexToAddress("0xb4c11951957c6f8f642c4af61cd6b24640fec6dc7fc607ee8206a99e92410d30")
 			tmpOut.Value = big.NewInt(1000)
@@ -296,18 +319,106 @@ func testParseBridgeEventLogsL1QueueTransactionEventSignature(t *testing.T) {
 		})
 		defer patchGuard.Reset()
 
-		l2Messages, rollupEvents, err := watcher.parseBridgeEventLogs(logs)
+		l2Messages, relayedMessages, rollupEvents, err := watcher.parseBridgeEventLogs(logs)
 		assert.NoError(t, err)
+		assert.Empty(t, relayedMessages)
 		assert.Empty(t, rollupEvents)
 		assert.Len(t, l2Messages, 1)
 		assert.Equal(t, l2Messages[0].Value, big.NewInt(1000).String())
 	})
 }
 
+func testParseBridgeEventLogsL1RelayedMessageEventSignature(t *testing.T) {
+	watcher, db := setupL1Watcher(t)
+	defer utils.CloseDB(db)
+
+	logs := []gethTypes.Log{
+		{
+			Topics:      []common.Hash{bridgeAbi.L1RelayedMessageEventSignature},
+			BlockNumber: 100,
+			TxHash:      common.HexToHash("0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"),
+		},
+	}
+
+	convey.Convey("unpack RelayedMessage log failure", t, func() {
+		targetErr := errors.New("UnpackLog RelayedMessage failure")
+		patchGuard := gomonkey.ApplyFunc(utils.UnpackLog, func(c *abi.ABI, out interface{}, event string, log types.Log) error {
+			return targetErr
+		})
+		defer patchGuard.Reset()
+
+		l2Messages, relayedMessages, rollupEvents, err := watcher.parseBridgeEventLogs(logs)
+		assert.EqualError(t, err, targetErr.Error())
+		assert.Empty(t, l2Messages)
+		assert.Empty(t, relayedMessages)
+		assert.Empty(t, rollupEvents)
+	})
+
+	convey.Convey("L1RelayedMessageEventSignature success", t, func() {
+		msgHash := common.HexToHash("0xad3228b676f7d3cd4284a5443f17f1962b36e491b30a40b2405849e597ba5fb5")
+		patchGuard := gomonkey.ApplyFunc(utils.UnpackLog, func(c *abi.ABI, out interface{}, event string, log types.Log) error {
+			tmpOut := out.(*bridgeAbi.L1RelayedMessageEvent)
+			tmpOut.MessageHash = msgHash
+			return nil
+		})
+		defer patchGuard.Reset()
+
+		l2Messages, relayedMessages, rollupEvents, err := watcher.parseBridgeEventLogs(logs)
+		assert.NoError(t, err)
+		assert.Empty(t, l2Messages)
+		assert.Empty(t, rollupEvents)
+		assert.Len(t, relayedMessages, 1)
+		assert.Equal(t, relayedMessages[0].msgHash, msgHash)
+	})
+}
+
+func testParseBridgeEventLogsL1FailedRelayedMessageEventSignature(t *testing.T) {
+	watcher, db := setupL1Watcher(t)
+	defer utils.CloseDB(db)
+	logs := []gethTypes.Log{
+		{
+			Topics:      []common.Hash{bridgeAbi.L1FailedRelayedMessageEventSignature},
+			BlockNumber: 100,
+			TxHash:      common.HexToHash("0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"),
+		},
+	}
+
+	convey.Convey("unpack FailedRelayedMessage log failure", t, func() {
+		targetErr := errors.New("UnpackLog FailedRelayedMessage failure")
+		patchGuard := gomonkey.ApplyFunc(utils.UnpackLog, func(c *abi.ABI, out interface{}, event string, log types.Log) error {
+			return targetErr
+		})
+		defer patchGuard.Reset()
+
+		l2Messages, relayedMessages, rollupEvents, err := watcher.parseBridgeEventLogs(logs)
+		assert.EqualError(t, err, targetErr.Error())
+		assert.Empty(t, l2Messages)
+		assert.Empty(t, relayedMessages)
+		assert.Empty(t, rollupEvents)
+	})
+
+	convey.Convey("L1FailedRelayedMessageEventSignature success", t, func() {
+		msgHash := common.HexToHash("0xad3228b676f7d3cd4284a5443f17f1962b36e491b30a40b2405849e597ba5fb5")
+		patchGuard := gomonkey.ApplyFunc(utils.UnpackLog, func(c *abi.ABI, out interface{}, event string, log types.Log) error {
+			tmpOut := out.(*bridgeAbi.L1FailedRelayedMessageEvent)
+			tmpOut.MessageHash = msgHash
+			return nil
+		})
+		defer patchGuard.Reset()
+
+		l2Messages, relayedMessages, rollupEvents, err := watcher.parseBridgeEventLogs(logs)
+		assert.NoError(t, err)
+		assert.Empty(t, l2Messages)
+		assert.Empty(t, rollupEvents)
+		assert.Len(t, relayedMessages, 1)
+		assert.Equal(t, relayedMessages[0].msgHash, msgHash)
+	})
+}
+
 func testParseBridgeEventLogsL1CommitBatchEventSignature(t *testing.T) {
 	watcher, db := setupL1Watcher(t)
-	defer database.CloseDB(db)
-	logs := []types.Log{
+	defer utils.CloseDB(db)
+	logs := []gethTypes.Log{
 		{
 			Topics:      []common.Hash{bridgeAbi.L1CommitBatchEventSignature},
 			BlockNumber: 100,
@@ -322,9 +433,10 @@ func testParseBridgeEventLogsL1CommitBatchEventSignature(t *testing.T) {
 		})
 		defer patchGuard.Reset()
 
-		l2Messages, rollupEvents, err := watcher.parseBridgeEventLogs(logs)
+		l2Messages, relayedMessages, rollupEvents, err := watcher.parseBridgeEventLogs(logs)
 		assert.EqualError(t, err, targetErr.Error())
 		assert.Empty(t, l2Messages)
+		assert.Empty(t, relayedMessages)
 		assert.Empty(t, rollupEvents)
 	})
 
@@ -337,9 +449,10 @@ func testParseBridgeEventLogsL1CommitBatchEventSignature(t *testing.T) {
 		})
 		defer patchGuard.Reset()
 
-		l2Messages, rollupEvents, err := watcher.parseBridgeEventLogs(logs)
+		l2Messages, relayedMessages, rollupEvents, err := watcher.parseBridgeEventLogs(logs)
 		assert.NoError(t, err)
 		assert.Empty(t, l2Messages)
+		assert.Empty(t, relayedMessages)
 		assert.Len(t, rollupEvents, 1)
 		assert.Equal(t, rollupEvents[0].batchHash, msgHash)
 		assert.Equal(t, rollupEvents[0].status, commonTypes.RollupCommitted)
@@ -348,8 +461,8 @@ func testParseBridgeEventLogsL1CommitBatchEventSignature(t *testing.T) {
 
 func testParseBridgeEventLogsL1FinalizeBatchEventSignature(t *testing.T) {
 	watcher, db := setupL1Watcher(t)
-	defer database.CloseDB(db)
-	logs := []types.Log{
+	defer utils.CloseDB(db)
+	logs := []gethTypes.Log{
 		{
 			Topics:      []common.Hash{bridgeAbi.L1FinalizeBatchEventSignature},
 			BlockNumber: 100,
@@ -364,9 +477,10 @@ func testParseBridgeEventLogsL1FinalizeBatchEventSignature(t *testing.T) {
 		})
 		defer patchGuard.Reset()
 
-		l2Messages, rollupEvents, err := watcher.parseBridgeEventLogs(logs)
+		l2Messages, relayedMessages, rollupEvents, err := watcher.parseBridgeEventLogs(logs)
 		assert.EqualError(t, err, targetErr.Error())
 		assert.Empty(t, l2Messages)
+		assert.Empty(t, relayedMessages)
 		assert.Empty(t, rollupEvents)
 	})
 
@@ -379,9 +493,10 @@ func testParseBridgeEventLogsL1FinalizeBatchEventSignature(t *testing.T) {
 		})
 		defer patchGuard.Reset()
 
-		l2Messages, rollupEvents, err := watcher.parseBridgeEventLogs(logs)
+		l2Messages, relayedMessages, rollupEvents, err := watcher.parseBridgeEventLogs(logs)
 		assert.NoError(t, err)
 		assert.Empty(t, l2Messages)
+		assert.Empty(t, relayedMessages)
 		assert.Len(t, rollupEvents, 1)
 		assert.Equal(t, rollupEvents[0].batchHash, msgHash)
 		assert.Equal(t, rollupEvents[0].status, commonTypes.RollupFinalized)

bridge/internal/controller/watcher/l2_watcher.go

@@ -0,0 +1,419 @@
+package watcher
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"gorm.io/gorm"
+	"math/big"
+	"scroll-tech/bridge/internal/orm"
+
+	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"
+	gethTypes "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"
+	gethMetrics "github.com/scroll-tech/go-ethereum/metrics"
+	"github.com/scroll-tech/go-ethereum/rpc"
+
+	"scroll-tech/common/metrics"
+	"scroll-tech/common/types"
+
+	bridgeAbi "scroll-tech/bridge/internal/abi"
+	bridgeTypes "scroll-tech/bridge/internal/types"
+	"scroll-tech/bridge/internal/utils"
+)
+
+// Metrics
+var (
+	bridgeL2MsgsSyncHeightGauge           = gethMetrics.NewRegisteredGauge("bridge/l2/msgs/sync/height", metrics.ScrollRegistry)
+	bridgeL2BlocksFetchedHeightGauge      = gethMetrics.NewRegisteredGauge("bridge/l2/blocks/fetched/height", metrics.ScrollRegistry)
+	bridgeL2BlocksFetchedGapGauge         = gethMetrics.NewRegisteredGauge("bridge/l2/blocks/fetched/gap", metrics.ScrollRegistry)
+	bridgeL2MsgsSentEventsTotalCounter    = gethMetrics.NewRegisteredCounter("bridge/l2/msgs/sent/events/total", metrics.ScrollRegistry)
+	bridgeL2MsgsAppendEventsTotalCounter  = gethMetrics.NewRegisteredCounter("bridge/l2/msgs/append/events/total", metrics.ScrollRegistry)
+	bridgeL2MsgsRelayedEventsTotalCounter = gethMetrics.NewRegisteredCounter("bridge/l2/msgs/relayed/events/total", metrics.ScrollRegistry)
+)
+
+// L2WatcherClient provide APIs which support others to subscribe to various event from l2geth
+type L2WatcherClient struct {
+	ctx context.Context
+	event.Feed
+
+	*ethclient.Client
+
+	db            *gorm.DB
+	blockBatchOrm *orm.BlockBatch
+	blockTrace    *orm.BlockTrace
+	l1MessageOrm  *orm.L1Message
+	l2MessageOrm  *orm.L2Message
+
+	confirmations rpc.BlockNumber
+
+	messengerAddress common.Address
+	messengerABI     *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
+}
+
+// NewL2WatcherClient take a l2geth instance to generate a l2watcherclient instance
+func NewL2WatcherClient(ctx context.Context, client *ethclient.Client, confirmations rpc.BlockNumber, messengerAddress, messageQueueAddress common.Address, withdrawTrieRootSlot common.Hash, db *gorm.DB) *L2WatcherClient {
+	l2MessageOrm := orm.NewL2Message(db)
+	savedHeight, err := l2MessageOrm.GetLayer2LatestWatchedHeight()
+	if err != nil {
+		log.Warn("fetch height from db failed", "err", err)
+		savedHeight = 0
+	}
+
+	w := L2WatcherClient{
+		ctx:    ctx,
+		db:     db,
+		Client: client,
+
+		blockBatchOrm:      orm.NewBlockBatch(db),
+		blockTrace:         orm.NewBlockTrace(db),
+		l1MessageOrm:       orm.NewL1Message(db),
+		l2MessageOrm:       l2MessageOrm,
+		processedMsgHeight: savedHeight,
+		confirmations:      confirmations,
+
+		messengerAddress: messengerAddress,
+		messengerABI:     bridgeAbi.L2ScrollMessengerABI,
+
+		messageQueueAddress:  messageQueueAddress,
+		messageQueueABI:      bridgeAbi.L2MessageQueueABI,
+		withdrawTrieRootSlot: withdrawTrieRootSlot,
+
+		stopped: 0,
+	}
+
+	// Initialize genesis before we do anything else
+	if err := w.initializeGenesis(); err != nil {
+		panic(fmt.Sprintf("failed to initialize L2 genesis batch, err: %v", err))
+	}
+
+	return &w
+}
+
+func (w *L2WatcherClient) initializeGenesis() error {
+	if count, err := w.blockBatchOrm.GetBatchCount(); err != nil {
+		return fmt.Errorf("failed to get batch count: %v", err)
+	} else if count > 0 {
+		log.Info("genesis already imported")
+		return nil
+	}
+
+	genesis, err := w.HeaderByNumber(w.ctx, big.NewInt(0))
+	if err != nil {
+		return fmt.Errorf("failed to retrieve L2 genesis header: %v", err)
+	}
+
+	log.Info("retrieved L2 genesis header", "hash", genesis.Hash().String())
+
+	blockTrace := &bridgeTypes.WrappedBlock{
+		Header:           genesis,
+		Transactions:     nil,
+		WithdrawTrieRoot: common.Hash{},
+	}
+	batchData := bridgeTypes.NewGenesisBatchData(blockTrace)
+
+	if err = orm.AddBatchInfoToDB(w.db, batchData); err != nil {
+		log.Error("failed to add batch info to DB", "BatchHash", batchData.Hash(), "error", err)
+		return err
+	}
+
+	batchHash := batchData.Hash().Hex()
+
+	if err = w.blockBatchOrm.UpdateProvingStatus(batchHash, types.ProvingTaskProved); err != nil {
+		return fmt.Errorf("failed to update genesis batch proving status: %v", err)
+	}
+
+	if err = w.blockBatchOrm.UpdateRollupStatus(w.ctx, batchHash, types.RollupFinalized); err != nil {
+		return fmt.Errorf("failed to update genesis batch rollup status: %v", err)
+	}
+
+	log.Info("successfully imported genesis batch")
+
+	return nil
+}
+
+const blockTracesFetchLimit = uint64(10)
+
+// 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.blockTrace.GetL2BlocksLatestHeight()
+	if err != nil {
+		log.Error("failed to GetL2BlocksLatestHeight", "err", err)
+		return
+	}
+
+	// Can't get trace from genesis block, so the default start number is 1.
+	var from = uint64(1)
+	if heightInDB > 0 {
+		from = uint64(heightInDB) + 1
+	}
+
+	for ; from <= blockHeight; from += blockTracesFetchLimit {
+		to := from + blockTracesFetchLimit - 1
+
+		if to > blockHeight {
+			to = blockHeight
+		}
+
+		// Get block traces and insert into db.
+		if err = w.getAndStoreBlockTraces(ctx, from, to); err != nil {
+			log.Error("fail to getAndStoreBlockTraces", "from", from, "to", to, "err", err)
+			return
+		}
+		bridgeL2BlocksFetchedHeightGauge.Update(int64(to))
+		bridgeL2BlocksFetchedGapGauge.Update(int64(blockHeight - to))
+	}
+}
+
+func txsToTxsData(txs gethTypes.Transactions) []*gethTypes.TransactionData {
+	txsData := make([]*gethTypes.TransactionData, len(txs))
+	for i, tx := range txs {
+		v, r, s := tx.RawSignatureValues()
+		txsData[i] = &gethTypes.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 []*bridgeTypes.WrappedBlock
+	for number := from; number <= to; number++ {
+		log.Debug("retrieving block", "height", number)
+		block, err2 := w.BlockByNumber(ctx, big.NewInt(int64(number)))
+		if err2 != nil {
+			return fmt.Errorf("failed to GetBlockByNumber: %v. number: %v", err2, number)
+		}
+
+		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, &bridgeTypes.WrappedBlock{
+			Header:           block.Header(),
+			Transactions:     txsToTxsData(block.Transactions()),
+			WithdrawTrieRoot: common.BytesToHash(withdrawTrieRoot),
+		})
+	}
+
+	if len(blocks) > 0 {
+		if err := w.blockTrace.InsertWrappedBlocks(blocks); err != nil {
+			return fmt.Errorf("failed to batch insert BlockTraces: %v", err)
+		}
+	}
+
+	return nil
+}
+
+// FetchContractEvent pull latest event logs from given contract address and save in DB
+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)
+
+	for from := fromBlock; from <= toBlock; from += contractEventsBlocksFetchLimit {
+		to := from + contractEventsBlocksFetchLimit - 1
+
+		if to > toBlock {
+			to = toBlock
+		}
+
+		// warning: uint int conversion...
+		query := geth.FilterQuery{
+			FromBlock: big.NewInt(from), // inclusive
+			ToBlock:   big.NewInt(to),   // inclusive
+			Addresses: []common.Address{
+				w.messengerAddress,
+				w.messageQueueAddress,
+			},
+			Topics: make([][]common.Hash, 1),
+		}
+		query.Topics[0] = make([]common.Hash, 4)
+		query.Topics[0][0] = bridgeAbi.L2SentMessageEventSignature
+		query.Topics[0][1] = bridgeAbi.L2RelayedMessageEventSignature
+		query.Topics[0][2] = bridgeAbi.L2FailedRelayedMessageEventSignature
+		query.Topics[0][3] = bridgeAbi.L2AppendMessageEventSignature
+
+		logs, err := w.FilterLogs(w.ctx, query)
+		if err != nil {
+			log.Error("failed to get event logs", "err", err)
+			return
+		}
+		if len(logs) == 0 {
+			w.processedMsgHeight = uint64(to)
+			bridgeL2MsgsSyncHeightGauge.Update(to)
+			continue
+		}
+		log.Info("received new L2 messages", "fromBlock", from, "toBlock", to, "cnt", len(logs))
+
+		sentMessageEvents, relayedMessageEvents, err := w.parseBridgeEventLogs(logs)
+		if err != nil {
+			log.Error("failed to parse emitted event log", "err", err)
+			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 {
+			var msgStatus types.MsgStatus
+			if msg.isSuccessful {
+				msgStatus = types.MsgConfirmed
+			} else {
+				msgStatus = types.MsgFailed
+			}
+			if err = w.l1MessageOrm.UpdateLayer1StatusAndLayer2Hash(w.ctx, msg.msgHash.String(), msgStatus, msg.txHash.String()); err != nil {
+				log.Error("Failed to update layer1 status and layer2 hash", "err", err)
+				return
+			}
+		}
+
+		if err = w.l2MessageOrm.SaveL2Messages(w.ctx, sentMessageEvents); err != nil {
+			log.Error("failed to save l2 messages", "err", err)
+			return
+		}
+
+		w.processedMsgHeight = uint64(to)
+		bridgeL2MsgsSyncHeightGauge.Update(to)
+	}
+}
+
+func (w *L2WatcherClient) parseBridgeEventLogs(logs []gethTypes.Log) ([]orm.L2Message, []relayedMessage, error) {
+	// Need use contract abi to parse event Log
+	// Can only be tested after we have our contracts set up
+
+	var l2Messages []orm.L2Message
+	var relayedMessages []relayedMessage
+	var lastAppendMsgHash common.Hash
+	var lastAppendMsgNonce uint64
+	for _, vLog := range logs {
+		switch vLog.Topics[0] {
+		case bridgeAbi.L2SentMessageEventSignature:
+			event := bridgeAbi.L2SentMessageEvent{}
+			err := utils.UnpackLog(w.messengerABI, &event, "SentMessage", vLog)
+			if err != nil {
+				log.Error("failed to unpack layer2 SentMessage event", "err", err)
+				return l2Messages, relayedMessages, err
+			}
+
+			computedMsgHash := utils.ComputeMessageHash(
+				event.Sender,
+				event.Target,
+				event.Value,
+				event.MessageNonce,
+				event.Message,
+			)
+
+			// `AppendMessage` event is always emitted before `SentMessage` event
+			// So they should always match, just double check
+			if event.MessageNonce.Uint64() != lastAppendMsgNonce {
+				errMsg := fmt.Sprintf("l2 message nonces mismatch: AppendMessage.nonce=%v, SentMessage.nonce=%v, tx_hash=%v",
+					lastAppendMsgNonce, event.MessageNonce.Uint64(), vLog.TxHash.Hex())
+				return l2Messages, relayedMessages, errors.New(errMsg)
+			}
+			if computedMsgHash != lastAppendMsgHash {
+				errMsg := fmt.Sprintf("l2 message hashes mismatch: AppendMessage.msg_hash=%v, SentMessage.msg_hash=%v, tx_hash=%v",
+					lastAppendMsgHash.Hex(), computedMsgHash.Hex(), vLog.TxHash.Hex())
+				return l2Messages, relayedMessages, errors.New(errMsg)
+			}
+
+			l2Messages = append(l2Messages, orm.L2Message{
+				Nonce:      event.MessageNonce.Uint64(),
+				MsgHash:    computedMsgHash.String(),
+				Height:     vLog.BlockNumber,
+				Sender:     event.Sender.String(),
+				Value:      event.Value.String(),
+				Target:     event.Target.String(),
+				Calldata:   common.Bytes2Hex(event.Message),
+				Layer2Hash: vLog.TxHash.Hex(),
+			})
+		case bridgeAbi.L2RelayedMessageEventSignature:
+			event := bridgeAbi.L2RelayedMessageEvent{}
+			err := utils.UnpackLog(w.messengerABI, &event, "RelayedMessage", vLog)
+			if err != nil {
+				log.Warn("Failed to unpack layer2 RelayedMessage event", "err", err)
+				return l2Messages, relayedMessages, err
+			}
+
+			relayedMessages = append(relayedMessages, relayedMessage{
+				msgHash:      event.MessageHash,
+				txHash:       vLog.TxHash,
+				isSuccessful: true,
+			})
+		case bridgeAbi.L2FailedRelayedMessageEventSignature:
+			event := bridgeAbi.L2FailedRelayedMessageEvent{}
+			err := utils.UnpackLog(w.messengerABI, &event, "FailedRelayedMessage", vLog)
+			if err != nil {
+				log.Warn("Failed to unpack layer2 FailedRelayedMessage event", "err", err)
+				return l2Messages, relayedMessages, err
+			}
+
+			relayedMessages = append(relayedMessages, relayedMessage{
+				msgHash:      event.MessageHash,
+				txHash:       vLog.TxHash,
+				isSuccessful: false,
+			})
+		case bridgeAbi.L2AppendMessageEventSignature:
+			event := bridgeAbi.L2AppendMessageEvent{}
+			err := utils.UnpackLog(w.messageQueueABI, &event, "AppendMessage", vLog)
+			if err != nil {
+				log.Warn("Failed to unpack layer2 AppendMessage event", "err", err)
+				return l2Messages, relayedMessages, err
+			}
+
+			lastAppendMsgHash = event.MessageHash
+			lastAppendMsgNonce = event.Index.Uint64()
+			bridgeL2MsgsAppendEventsTotalCounter.Inc(1)
+		default:
+			log.Error("Unknown event", "topic", vLog.Topics[0], "txHash", vLog.TxHash)
+		}
+	}
+
+	return l2Messages, relayedMessages, nil
+}

bridge/internal/controller/watcher/l2_watcher_test.go

@@ -0,0 +1,420 @@
+package watcher
+
+import (
+	"context"
+	"crypto/ecdsa"
+	"errors"
+	"gorm.io/gorm"
+	"math/big"
+	"scroll-tech/bridge/internal/orm"
+	"strconv"
+	"testing"
+	"time"
+
+	"github.com/agiledragon/gomonkey/v2"
+	"github.com/scroll-tech/go-ethereum/accounts/abi"
+	"github.com/scroll-tech/go-ethereum/accounts/abi/bind"
+	"github.com/scroll-tech/go-ethereum/common"
+	gethTypes "github.com/scroll-tech/go-ethereum/core/types"
+	"github.com/scroll-tech/go-ethereum/ethclient"
+	"github.com/scroll-tech/go-ethereum/rpc"
+	"github.com/smartystreets/goconvey/convey"
+	"github.com/stretchr/testify/assert"
+
+	"scroll-tech/common/types"
+
+	bridgeAbi "scroll-tech/bridge/internal/abi"
+	"scroll-tech/bridge/internal/controller/sender"
+	"scroll-tech/bridge/internal/utils"
+	"scroll-tech/bridge/mock_bridge"
+
+	cutils "scroll-tech/common/utils"
+)
+
+func setupL2Watcher(t *testing.T) (*L2WatcherClient, *gorm.DB) {
+	db := setupDB(t)
+	l2cfg := cfg.L2Config
+	watcher := NewL2WatcherClient(context.Background(), l2Cli, l2cfg.Confirmations, l2cfg.L2MessengerAddress, l2cfg.L2MessageQueueAddress, l2cfg.WithdrawTrieRootSlot, db)
+	return watcher, db
+}
+
+func testCreateNewWatcherAndStop(t *testing.T) {
+	wc, db := setupL2Watcher(t)
+	subCtx, cancel := context.WithCancel(context.Background())
+	defer func() {
+		cancel()
+		defer utils.CloseDB(db)
+	}()
+
+	loopToFetchEvent(subCtx, wc)
+
+	l1cfg := cfg.L1Config
+	l1cfg.RelayerConfig.SenderConfig.Confirmations = rpc.LatestBlockNumber
+	newSender, err := sender.NewSender(context.Background(), l1cfg.RelayerConfig.SenderConfig, l1cfg.RelayerConfig.MessageSenderPrivateKeys)
+	assert.NoError(t, err)
+
+	// Create several transactions and commit to block
+	numTransactions := 3
+	toAddress := common.HexToAddress("0x4592d8f8d7b001e72cb26a73e4fa1806a51ac79d")
+	for i := 0; i < numTransactions; i++ {
+		_, err = newSender.SendTransaction(strconv.Itoa(1000+i), &toAddress, big.NewInt(1000000000), nil, 0)
+		assert.NoError(t, err)
+		<-newSender.ConfirmChan()
+	}
+
+	blockNum, err := l2Cli.BlockNumber(context.Background())
+	assert.NoError(t, err)
+	assert.GreaterOrEqual(t, blockNum, uint64(numTransactions))
+}
+
+func testMonitorBridgeContract(t *testing.T) {
+	wc, db := setupL2Watcher(t)
+	subCtx, cancel := context.WithCancel(context.Background())
+	defer func() {
+		cancel()
+		defer utils.CloseDB(db)
+	}()
+
+	loopToFetchEvent(subCtx, wc)
+
+	previousHeight, err := l2Cli.BlockNumber(context.Background())
+	assert.NoError(t, err)
+
+	auth := prepareAuth(t, l2Cli, cfg.L2Config.RelayerConfig.MessageSenderPrivateKeys[0])
+
+	// deploy mock bridge
+	_, tx, instance, err := mock_bridge.DeployMockBridgeL2(auth, l2Cli)
+	assert.NoError(t, err)
+	address, err := bind.WaitDeployed(context.Background(), l2Cli, tx)
+	assert.NoError(t, err)
+
+	rc := prepareWatcherClient(l2Cli, db, address)
+	loopToFetchEvent(subCtx, rc)
+	// Call mock_bridge instance sendMessage to trigger emit events
+	toAddress := common.HexToAddress("0x4592d8f8d7b001e72cb26a73e4fa1806a51ac79d")
+	message := []byte("testbridgecontract")
+	fee := big.NewInt(0)
+	gasLimit := big.NewInt(1)
+
+	tx, err = instance.SendMessage(auth, toAddress, fee, message, gasLimit)
+	assert.NoError(t, err)
+	receipt, err := bind.WaitMined(context.Background(), l2Cli, tx)
+	if receipt.Status != gethTypes.ReceiptStatusSuccessful || err != nil {
+		t.Fatalf("Call failed")
+	}
+
+	// extra block mined
+	toAddress = common.HexToAddress("0x4592d8f8d7b001e72cb26a73e4fa1806a51ac79d")
+	message = []byte("testbridgecontract")
+	tx, err = instance.SendMessage(auth, toAddress, fee, message, gasLimit)
+	assert.NoError(t, err)
+	receipt, err = bind.WaitMined(context.Background(), l2Cli, tx)
+	if receipt.Status != gethTypes.ReceiptStatusSuccessful || err != nil {
+		t.Fatalf("Call failed")
+	}
+
+	l2MessageOrm := orm.NewL2Message(db)
+	// check if we successfully stored events
+	assert.True(t, cutils.TryTimes(10, func() bool {
+		height, err := l2MessageOrm.GetLayer2LatestWatchedHeight()
+		return err == nil && height > previousHeight
+	}))
+
+	// check l1 messages.
+	assert.True(t, cutils.TryTimes(10, func() bool {
+		msgs, err := l2MessageOrm.GetL2Messages(map[string]interface{}{"status": types.MsgPending}, nil, 0)
+		return err == nil && len(msgs) == 2
+	}))
+}
+
+func testFetchMultipleSentMessageInOneBlock(t *testing.T) {
+	_, db := setupL2Watcher(t)
+	subCtx, cancel := context.WithCancel(context.Background())
+	defer func() {
+		cancel()
+		defer utils.CloseDB(db)
+	}()
+
+	previousHeight, err := l2Cli.BlockNumber(context.Background()) // shallow the global previousHeight
+	assert.NoError(t, err)
+
+	auth := prepareAuth(t, l2Cli, cfg.L2Config.RelayerConfig.MessageSenderPrivateKeys[0])
+
+	_, trx, instance, err := mock_bridge.DeployMockBridgeL2(auth, l2Cli)
+	assert.NoError(t, err)
+	address, err := bind.WaitDeployed(context.Background(), l2Cli, trx)
+	assert.NoError(t, err)
+
+	wc := prepareWatcherClient(l2Cli, db, address)
+	loopToFetchEvent(subCtx, wc)
+
+	// Call mock_bridge instance sendMessage to trigger emit events multiple times
+	numTransactions := 4
+	var tx *gethTypes.Transaction
+	for i := 0; i < numTransactions; i++ {
+		addr := common.HexToAddress("0x1c5a77d9fa7ef466951b2f01f724bca3a5820b63")
+		nonce, nounceErr := l2Cli.PendingNonceAt(context.Background(), addr)
+		assert.NoError(t, nounceErr)
+		auth.Nonce = big.NewInt(int64(nonce))
+		toAddress := common.HexToAddress("0x4592d8f8d7b001e72cb26a73e4fa1806a51ac79d")
+		message := []byte("testbridgecontract")
+		fee := big.NewInt(0)
+		gasLimit := big.NewInt(1)
+		tx, err = instance.SendMessage(auth, toAddress, fee, message, gasLimit)
+		assert.NoError(t, err)
+	}
+
+	receipt, err := bind.WaitMined(context.Background(), l2Cli, tx)
+	if receipt.Status != gethTypes.ReceiptStatusSuccessful || err != nil {
+		t.Fatalf("Call failed")
+	}
+
+	// extra block mined
+	addr := common.HexToAddress("0x1c5a77d9fa7ef466951b2f01f724bca3a5820b63")
+	nonce, nounceErr := l2Cli.PendingNonceAt(context.Background(), addr)
+	assert.NoError(t, nounceErr)
+	auth.Nonce = big.NewInt(int64(nonce))
+	toAddress := common.HexToAddress("0x4592d8f8d7b001e72cb26a73e4fa1806a51ac79d")
+	message := []byte("testbridgecontract")
+	fee := big.NewInt(0)
+	gasLimit := big.NewInt(1)
+	tx, err = instance.SendMessage(auth, toAddress, fee, message, gasLimit)
+	assert.NoError(t, err)
+	receipt, err = bind.WaitMined(context.Background(), l2Cli, tx)
+	if receipt.Status != gethTypes.ReceiptStatusSuccessful || err != nil {
+		t.Fatalf("Call failed")
+	}
+
+	l2MessageOrm := orm.NewL2Message(db)
+	// check if we successfully stored events
+	assert.True(t, cutils.TryTimes(10, func() bool {
+		height, err := l2MessageOrm.GetLayer2LatestWatchedHeight()
+		return err == nil && height > previousHeight
+	}))
+
+	assert.True(t, cutils.TryTimes(10, func() bool {
+		msgs, err := l2MessageOrm.GetL2Messages(map[string]interface{}{"status": types.MsgPending}, nil, 0)
+		return err == nil && len(msgs) == 5
+	}))
+}
+
+func testFetchRunningMissingBlocks(t *testing.T) {
+	_, db := setupL2Watcher(t)
+	defer utils.CloseDB(db)
+
+	auth := prepareAuth(t, l2Cli, cfg.L2Config.RelayerConfig.MessageSenderPrivateKeys[0])
+
+	// deploy mock bridge
+	_, tx, _, err := mock_bridge.DeployMockBridgeL2(auth, l2Cli)
+	assert.NoError(t, err)
+	address, err := bind.WaitDeployed(context.Background(), l2Cli, tx)
+	assert.NoError(t, err)
+
+	blockTraceOrm := orm.NewBlockTrace(db)
+	ok := cutils.TryTimes(10, func() bool {
+		latestHeight, err := l2Cli.BlockNumber(context.Background())
+		if err != nil {
+			return false
+		}
+		wc := prepareWatcherClient(l2Cli, db, address)
+		wc.TryFetchRunningMissingBlocks(context.Background(), latestHeight)
+		fetchedHeight, err := blockTraceOrm.GetL2BlocksLatestHeight()
+		return err == nil && fetchedHeight == latestHeight
+	})
+	assert.True(t, ok)
+}
+
+func prepareWatcherClient(l2Cli *ethclient.Client, db *gorm.DB, contractAddr common.Address) *L2WatcherClient {
+	confirmations := rpc.LatestBlockNumber
+	return NewL2WatcherClient(context.Background(), l2Cli, confirmations, contractAddr, contractAddr, common.Hash{}, db)
+}
+
+func prepareAuth(t *testing.T, l2Cli *ethclient.Client, privateKey *ecdsa.PrivateKey) *bind.TransactOpts {
+	auth, err := bind.NewKeyedTransactorWithChainID(privateKey, big.NewInt(53077))
+	assert.NoError(t, err)
+	auth.Value = big.NewInt(0) // in wei
+	assert.NoError(t, err)
+	auth.GasPrice, err = l2Cli.SuggestGasPrice(context.Background())
+	assert.NoError(t, err)
+	return auth
+}
+
+func loopToFetchEvent(subCtx context.Context, watcher *L2WatcherClient) {
+	go cutils.Loop(subCtx, 2*time.Second, watcher.FetchContractEvent)
+}
+
+func testParseBridgeEventLogsL2SentMessageEventSignature(t *testing.T) {
+	watcher, db := setupL2Watcher(t)
+	defer utils.CloseDB(db)
+
+	logs := []gethTypes.Log{
+		{
+			Topics: []common.Hash{
+				bridgeAbi.L2SentMessageEventSignature,
+			},
+			BlockNumber: 100,
+			TxHash:      common.HexToHash("0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"),
+		},
+	}
+
+	convey.Convey("unpack SentMessage log failure", t, func() {
+		targetErr := errors.New("UnpackLog SentMessage failure")
+		patchGuard := gomonkey.ApplyFunc(utils.UnpackLog, func(c *abi.ABI, out interface{}, event string, log gethTypes.Log) error {
+			return targetErr
+		})
+		defer patchGuard.Reset()
+
+		l2Messages, relayedMessages, err := watcher.parseBridgeEventLogs(logs)
+		assert.EqualError(t, err, targetErr.Error())
+		assert.Empty(t, l2Messages)
+		assert.Empty(t, relayedMessages)
+	})
+
+	convey.Convey("L2SentMessageEventSignature success", t, func() {
+		tmpSendAddr := common.HexToAddress("0xb4c11951957c6f8f642c4af61cd6b24640fec6dc7fc607ee8206a99e92410d30")
+		tmpTargetAddr := common.HexToAddress("0xad3228b676f7d3cd4284a5443f17f1962b36e491b30a40b2405849e597ba5fb5")
+		tmpValue := big.NewInt(1000)
+		tmpMessageNonce := big.NewInt(100)
+		tmpMessage := []byte("test for L2SentMessageEventSignature")
+		patchGuard := gomonkey.ApplyFunc(utils.UnpackLog, func(c *abi.ABI, out interface{}, event string, log gethTypes.Log) error {
+			tmpOut := out.(*bridgeAbi.L2SentMessageEvent)
+			tmpOut.Sender = tmpSendAddr
+			tmpOut.Value = tmpValue
+			tmpOut.Target = tmpTargetAddr
+			tmpOut.MessageNonce = tmpMessageNonce
+			tmpOut.Message = tmpMessage
+			return nil
+		})
+		defer patchGuard.Reset()
+
+		l2Messages, relayedMessages, err := watcher.parseBridgeEventLogs(logs)
+		assert.Error(t, err)
+		assert.Empty(t, relayedMessages)
+		assert.Empty(t, l2Messages)
+	})
+}
+
+func testParseBridgeEventLogsL2RelayedMessageEventSignature(t *testing.T) {
+	watcher, db := setupL2Watcher(t)
+	defer utils.CloseDB(db)
+
+	logs := []gethTypes.Log{
+		{
+			Topics:      []common.Hash{bridgeAbi.L2RelayedMessageEventSignature},
+			BlockNumber: 100,
+			TxHash:      common.HexToHash("0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"),
+		},
+	}
+
+	convey.Convey("unpack RelayedMessage log failure", t, func() {
+		targetErr := errors.New("UnpackLog RelayedMessage failure")
+		patchGuard := gomonkey.ApplyFunc(utils.UnpackLog, func(c *abi.ABI, out interface{}, event string, log gethTypes.Log) error {
+			return targetErr
+		})
+		defer patchGuard.Reset()
+
+		l2Messages, relayedMessages, err := watcher.parseBridgeEventLogs(logs)
+		assert.EqualError(t, err, targetErr.Error())
+		assert.Empty(t, l2Messages)
+		assert.Empty(t, relayedMessages)
+	})
+
+	convey.Convey("L2RelayedMessageEventSignature success", t, func() {
+		msgHash := common.HexToHash("0xad3228b676f7d3cd4284a5443f17f1962b36e491b30a40b2405849e597ba5fb5")
+		patchGuard := gomonkey.ApplyFunc(utils.UnpackLog, func(c *abi.ABI, out interface{}, event string, log gethTypes.Log) error {
+			tmpOut := out.(*bridgeAbi.L2RelayedMessageEvent)
+			tmpOut.MessageHash = msgHash
+			return nil
+		})
+		defer patchGuard.Reset()
+
+		l2Messages, relayedMessages, err := watcher.parseBridgeEventLogs(logs)
+		assert.NoError(t, err)
+		assert.Empty(t, l2Messages)
+		assert.Len(t, relayedMessages, 1)
+		assert.Equal(t, relayedMessages[0].msgHash, msgHash)
+	})
+}
+
+func testParseBridgeEventLogsL2FailedRelayedMessageEventSignature(t *testing.T) {
+	watcher, db := setupL2Watcher(t)
+	defer utils.CloseDB(db)
+
+	logs := []gethTypes.Log{
+		{
+			Topics:      []common.Hash{bridgeAbi.L2FailedRelayedMessageEventSignature},
+			BlockNumber: 100,
+			TxHash:      common.HexToHash("0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"),
+		},
+	}
+
+	convey.Convey("unpack FailedRelayedMessage log failure", t, func() {
+		targetErr := errors.New("UnpackLog FailedRelayedMessage failure")
+		patchGuard := gomonkey.ApplyFunc(utils.UnpackLog, func(c *abi.ABI, out interface{}, event string, log gethTypes.Log) error {
+			return targetErr
+		})
+		defer patchGuard.Reset()
+
+		l2Messages, relayedMessages, err := watcher.parseBridgeEventLogs(logs)
+		assert.EqualError(t, err, targetErr.Error())
+		assert.Empty(t, l2Messages)
+		assert.Empty(t, relayedMessages)
+	})
+
+	convey.Convey("L2FailedRelayedMessageEventSignature success", t, func() {
+		msgHash := common.HexToHash("0xad3228b676f7d3cd4284a5443f17f1962b36e491b30a40b2405849e597ba5fb5")
+		patchGuard := gomonkey.ApplyFunc(utils.UnpackLog, func(c *abi.ABI, out interface{}, event string, log gethTypes.Log) error {
+			tmpOut := out.(*bridgeAbi.L2FailedRelayedMessageEvent)
+			tmpOut.MessageHash = msgHash
+			return nil
+		})
+		defer patchGuard.Reset()
+
+		l2Messages, relayedMessages, err := watcher.parseBridgeEventLogs(logs)
+		assert.NoError(t, err)
+		assert.Empty(t, l2Messages)
+		assert.Len(t, relayedMessages, 1)
+		assert.Equal(t, relayedMessages[0].msgHash, msgHash)
+	})
+}
+
+func testParseBridgeEventLogsL2AppendMessageEventSignature(t *testing.T) {
+	watcher, db := setupL2Watcher(t)
+	defer utils.CloseDB(db)
+	logs := []gethTypes.Log{
+		{
+			Topics:      []common.Hash{bridgeAbi.L2AppendMessageEventSignature},
+			BlockNumber: 100,
+			TxHash:      common.HexToHash("0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"),
+		},
+	}
+
+	convey.Convey("unpack AppendMessage log failure", t, func() {
+		targetErr := errors.New("UnpackLog AppendMessage failure")
+		patchGuard := gomonkey.ApplyFunc(utils.UnpackLog, func(c *abi.ABI, out interface{}, event string, log gethTypes.Log) error {
+			return targetErr
+		})
+		defer patchGuard.Reset()
+
+		l2Messages, relayedMessages, err := watcher.parseBridgeEventLogs(logs)
+		assert.EqualError(t, err, targetErr.Error())
+		assert.Empty(t, l2Messages)
+		assert.Empty(t, relayedMessages)
+	})
+
+	convey.Convey("L2AppendMessageEventSignature success", t, func() {
+		msgHash := common.HexToHash("0xad3228b676f7d3cd4284a5443f17f1962b36e491b30a40b2405849e597ba5fb5")
+		patchGuard := gomonkey.ApplyFunc(utils.UnpackLog, func(c *abi.ABI, out interface{}, event string, log gethTypes.Log) error {
+			tmpOut := out.(*bridgeAbi.L2AppendMessageEvent)
+			tmpOut.MessageHash = msgHash
+			tmpOut.Index = big.NewInt(100)
+			return nil
+		})
+		defer patchGuard.Reset()
+
+		l2Messages, relayedMessages, err := watcher.parseBridgeEventLogs(logs)
+		assert.NoError(t, err)
+		assert.Empty(t, l2Messages)
+		assert.Empty(t, relayedMessages)
+	})
+}

bridge/internal/controller/watcher/watcher_test.go

@@ -9,13 +9,12 @@ import (
 	"github.com/stretchr/testify/assert"
 	"gorm.io/gorm"
 
-	"scroll-tech/common/database"
 	"scroll-tech/common/docker"
-	"scroll-tech/common/types"
 
-	"scroll-tech/database/migrate"
-
-	"scroll-tech/rollup/internal/config"
+	"scroll-tech/bridge/internal/config"
+	"scroll-tech/bridge/internal/orm/migrate"
+	bridgeTypes "scroll-tech/bridge/internal/types"
+	"scroll-tech/bridge/internal/utils"
 )
 
 var (
@@ -28,20 +27,20 @@ var (
 	l2Cli *ethclient.Client
 
 	// block trace
-	wrappedBlock1 *types.WrappedBlock
-	wrappedBlock2 *types.WrappedBlock
+	wrappedBlock1 *bridgeTypes.WrappedBlock
+	wrappedBlock2 *bridgeTypes.WrappedBlock
 )
 
 func setupEnv(t *testing.T) (err error) {
 	// Load config.
-	cfg, err = config.NewConfig("../../../conf/config.json")
+	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 = &database.Config{
+	cfg.DBConfig = &bridgeTypes.DBConfig{
 		DSN:        base.DBConfig.DSN,
 		DriverName: base.DBConfig.DriverName,
 		MaxOpenNum: base.DBConfig.MaxOpenNum,
@@ -57,7 +56,7 @@ func setupEnv(t *testing.T) (err error) {
 		return err
 	}
 	// unmarshal blockTrace
-	wrappedBlock1 = &types.WrappedBlock{}
+	wrappedBlock1 = &bridgeTypes.WrappedBlock{}
 	if err = json.Unmarshal(templateBlockTrace1, wrappedBlock1); err != nil {
 		return err
 	}
@@ -67,7 +66,7 @@ func setupEnv(t *testing.T) (err error) {
 		return err
 	}
 	// unmarshal blockTrace
-	wrappedBlock2 = &types.WrappedBlock{}
+	wrappedBlock2 = &bridgeTypes.WrappedBlock{}
 	if err = json.Unmarshal(templateBlockTrace2, wrappedBlock2); err != nil {
 		return err
 	}
@@ -75,7 +74,7 @@ func setupEnv(t *testing.T) (err error) {
 }
 
 func setupDB(t *testing.T) *gorm.DB {
-	db, err := database.InitDB(cfg.DBConfig)
+	db, err := utils.InitDB(cfg.DBConfig)
 	assert.NoError(t, err)
 	sqlDB, err := db.DB()
 	assert.NoError(t, err)
@@ -101,19 +100,23 @@ func TestFunction(t *testing.T) {
 	t.Run("TestL1WatcherClientFetchBlockHeader", testL1WatcherClientFetchBlockHeader)
 	t.Run("TestL1WatcherClientFetchContractEvent", testL1WatcherClientFetchContractEvent)
 	t.Run("TestParseBridgeEventLogsL1QueueTransactionEventSignature", testParseBridgeEventLogsL1QueueTransactionEventSignature)
+	t.Run("TestParseBridgeEventLogsL1RelayedMessageEventSignature", testParseBridgeEventLogsL1RelayedMessageEventSignature)
+	t.Run("TestParseBridgeEventLogsL1FailedRelayedMessageEventSignature", testParseBridgeEventLogsL1FailedRelayedMessageEventSignature)
 	t.Run("TestParseBridgeEventLogsL1CommitBatchEventSignature", testParseBridgeEventLogsL1CommitBatchEventSignature)
 	t.Run("TestParseBridgeEventLogsL1FinalizeBatchEventSignature", testParseBridgeEventLogsL1FinalizeBatchEventSignature)
 
 	// Run l2 watcher test cases.
 	t.Run("TestCreateNewWatcherAndStop", testCreateNewWatcherAndStop)
+	t.Run("TestMonitorBridgeContract", testMonitorBridgeContract)
+	t.Run("TestFetchMultipleSentMessageInOneBlock", testFetchMultipleSentMessageInOneBlock)
 	t.Run("TestFetchRunningMissingBlocks", testFetchRunningMissingBlocks)
+	t.Run("TestParseBridgeEventLogsL2SentMessageEventSignature", testParseBridgeEventLogsL2SentMessageEventSignature)
 	t.Run("TestParseBridgeEventLogsL2RelayedMessageEventSignature", testParseBridgeEventLogsL2RelayedMessageEventSignature)
 	t.Run("TestParseBridgeEventLogsL2FailedRelayedMessageEventSignature", testParseBridgeEventLogsL2FailedRelayedMessageEventSignature)
+	t.Run("TestParseBridgeEventLogsL2AppendMessageEventSignature", testParseBridgeEventLogsL2AppendMessageEventSignature)
 
-	// Run chunk proposer test cases.
-	t.Run("TestChunkProposerLimits", testChunkProposerLimits)
-
-	// Run chunk proposer test cases.
-	t.Run("TestBatchProposerLimits", testBatchProposerLimits)
-	t.Run("TestBatchCommitGasAndCalldataSizeEstimation", testBatchCommitGasAndCalldataSizeEstimation)
+	// Run batch proposer test cases.
+	t.Run("TestBatchProposerProposeBatch", testBatchProposerProposeBatch)
+	t.Run("TestBatchProposerBatchGeneration", testBatchProposerBatchGeneration)
+	t.Run("TestBatchProposerGracefulRestart", testBatchProposerGracefulRestart)
 }