fix(bridge-history-api): fix insert string slice and db type (#614)

Co-authored-by: vincent <419436363@qq.com>
Co-authored-by: colin <102356659+colinlyguo@users.noreply.github.com>
Co-authored-by: HAOYUatHZ <37070449+HAOYUatHZ@users.noreply.github.com>
Co-authored-by: georgehao <haohongfan@gmail.com>

.github/pull_request_template.md

@@ -1,7 +1,34 @@
-1. Purpose or design rationale of this PR
+### 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?*
 
 
-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? 
+### 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
 
 
-3. Is this PR a breaking change? If so, have it been attached a `breaking-change` label?
+### Deployment tag versioning
+
+Has `tag` in `common/version.go` been updated?
+
+- [ ] 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

.github/workflows/bridge.yml

@@ -9,23 +9,73 @@ on:
       - alpha
     paths:
       - 'bridge/**'
+      - 'common/**'
+      - 'database/**'
       - '.github/workflows/bridge.yml'
   pull_request:
-    branches:
-      - main
-      - staging
-      - develop
-      - alpha
+    types:
+      - opened
+      - reopened
+      - synchronize
+      - ready_for_review
     paths:
       - 'bridge/**'
+      - 'common/**'
+      - 'database/**'
       - '.github/workflows/bridge.yml'
 
-defaults:
-  run:
-    working-directory: 'bridge'
-
 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: 'bridge'
+      run: |
+        rm -rf $HOME/.cache/golangci-lint
+        make mock_abi
+        make lint
+  goimports-lint:
+    if: github.event.pull_request.draft == false
+    runs-on: ubuntu-latest
+    steps:
+    - name: Install Go
+      uses: actions/setup-go@v2
+      with:
+        go-version: 1.19.x
+    - name: Checkout code
+      uses: actions/checkout@v2
+    - name: Install goimports
+      run: go install golang.org/x/tools/cmd/goimports
+    - name: Run goimports lint
+      run: goimports -local scroll-tech/bridge/ -w .
+      working-directory: 'bridge'
+    - name: Run go mod tidy
+      run: go mod tidy
+      working-directory: 'bridge'
+    # If there are any diffs from goimports or go mod tidy, fail.
+    - name: Verify no changes from goimports and go mod tidy
+      working-directory: 'bridge'
+      run: |
+        if [ -n "$(git status --porcelain)" ]; then
+          exit 1
+        fi
+  tests:
+    if: github.event.pull_request.draft == false
     runs-on: ubuntu-latest
     steps:
     - name: Install Go
@@ -42,31 +92,26 @@ jobs:
         version: '0.8.16'
     - name: Install Geth Tools
       uses: gacts/install-geth-tools@v1
-    - name: Lint
+    - name: Build prerequisites
       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
+        make dev_docker
+        make -C bridge mock_abi
+    - name: Build bridge binaries
+      working-directory: 'bridge'
+      run: |
+        make bridge_bins
+    - name: Test bridge packages
+      working-directory: 'bridge'
+      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: ${{ secrets.CODECOV_TOKEN }}
       with:
-        go-version: 1.18.x
-    - name: Checkout code
-      uses: actions/checkout@v2
-    - name: Install goimports
-      run: go install golang.org/x/tools/cmd/goimports
-    - run: goimports -local scroll-tech/bridge/ -w .
-    - run: go mod tidy
-    # If there are any diffs from goimports or go mod tidy, fail.
-    - name: Verify no changes from goimports and go mod tidy
-      run: |
-        if [ -n "$(git status --porcelain)" ]; then
-          exit 1
-        fi
+        flags: bridge
   # docker-build:
+  #   if: github.event.pull_request.draft == false
   #   runs-on: ubuntu-latest
   #   steps:
   #   - name: Checkout code

.github/workflows/bridge_history_api.yml

@@ -0,0 +1,81 @@
+name: BridgeHistoryAPI
+
+on:
+  push:
+    branches:
+      - main
+      - staging
+      - develop
+      - alpha
+    paths:
+      - 'bridge-history-api/**'
+      - '.github/workflows/bridge_history_api.yml'
+  pull_request:
+    types:
+      - opened
+      - reopened
+      - synchronize
+      - ready_for_review
+    paths:
+      - 'bridge-history-api/**'
+      - '.github/workflows/bridge_history_api.yml'
+
+defaults:
+  run:
+    working-directory: 'bridge-history-api'
+
+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: 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: |
+        go get ./...
+        make test
+    - name: Upload coverage reports to Codecov
+      uses: codecov/codecov-action@v3
+      env:
+        CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
+      with:
+        flags: bridge-history-api
+  goimports-lint:
+    if: github.event.pull_request.draft == false
+    runs-on: ubuntu-latest
+    steps:
+    - name: Install Go
+      uses: actions/setup-go@v2
+      with:
+        go-version: 1.19.x
+    - name: Checkout code
+      uses: actions/checkout@v2
+    - name: Install goimports
+      run: go install golang.org/x/tools/cmd/goimports
+    - run: goimports -local scroll-tech/bridge-history-api/ -w .
+    - run: go mod tidy
+    # If there are any diffs from goimports or go mod tidy, fail.
+    - name: Verify no changes from goimports and go mod tidy
+      run: |
+        if [ -n "$(git status --porcelain)" ]; then
+          exit 1
+        fi

.github/workflows/common.yml

@@ -11,21 +11,18 @@ on:
       - 'common/**'
       - '.github/workflows/common.yml'
   pull_request:
-    branches:
-      - main
-      - staging
-      - develop
-      - alpha
+    types:
+      - opened
+      - reopened
+      - synchronize
+      - ready_for_review
     paths:
       - 'common/**'
       - '.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
@@ -36,7 +33,7 @@ jobs:
     - name: Install Go
       uses: actions/setup-go@v2
       with:
-        go-version: 1.18.x
+        go-version: 1.19.x
     - name: Checkout code
       uses: actions/checkout@v2
     - name: Cache cargo
@@ -44,10 +41,37 @@ jobs:
       with:
         workspaces: "common/libzkp/impl -> target"
     - name: Lint
+      working-directory: 'common'
       run: |
-        rm -rf $HOME/.cache/golangci-lint 
+        rm -rf $HOME/.cache/golangci-lint
         make lint
   goimports-lint:
+    if: github.event.pull_request.draft == false
+    runs-on: ubuntu-latest
+    steps:
+    - name: Install Go
+      uses: actions/setup-go@v2
+      with:
+        go-version: 1.19.x
+    - name: Checkout code
+      uses: actions/checkout@v2
+    - name: Install goimports
+      run: go install golang.org/x/tools/cmd/goimports
+    - name: Run goimports lint
+      working-directory: 'common'
+      run: goimports -local scroll-tech/common/ -w .
+    - name: Run go mod tidy
+      working-directory: 'common'
+      run: go mod tidy
+    # If there are any diffs from goimports or go mod tidy, fail.
+    - name: Verify no changes from goimports and go mod tidy
+      working-directory: 'common'
+      run: |
+        if [ -n "$(git status --porcelain)" ]; then
+          exit 1
+        fi
+  tests:
+    if: github.event.pull_request.draft == false
     runs-on: ubuntu-latest
     steps:
     - name: Install Go
@@ -56,13 +80,24 @@ jobs:
         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/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
+    - 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: |
-        if [ -n "$(git status --porcelain)" ]; then
-          exit 1
-        fi
+        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

@@ -2,10 +2,20 @@ 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'
@@ -16,6 +26,7 @@ defaults:
 
 jobs:
   foundry:
+    if: github.event.pull_request.draft == false
     runs-on: ubuntu-latest
 
     steps:
@@ -28,7 +39,7 @@ jobs:
         uses: foundry-rs/foundry-toolchain@v1
         with:
           version: nightly
-      
+
       - name: Setup LCOV
         uses: hrishikesh-kadam/setup-lcov@v1
 
@@ -84,6 +95,7 @@ jobs:
           update-comment: true
 
   hardhat:
+    if: github.event.pull_request.draft == false
     runs-on: ubuntu-latest
 
     steps:

.github/workflows/coordinator.yml

@@ -9,23 +9,24 @@ on:
       - alpha
     paths:
       - 'coordinator/**'
+      - 'common/**'
+      - 'database/**'
       - '.github/workflows/coordinator.yml'
   pull_request:
-    branches:
-      - main
-      - staging
-      - develop
-      - alpha
+    types:
+      - opened
+      - reopened
+      - synchronize
+      - ready_for_review
     paths:
       - 'coordinator/**'
+      - 'common/**'
+      - '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
@@ -36,33 +37,41 @@ jobs:
     - name: Install Go
       uses: actions/setup-go@v2
       with:
-        go-version: 1.18.x
+        go-version: 1.19.x
     - name: Checkout code
       uses: actions/checkout@v2
     - name: Lint
+      working-directory: 'coordinator'
       run: |
         rm -rf $HOME/.cache/golangci-lint
         make lint
   goimports-lint:
+    if: github.event.pull_request.draft == false
     runs-on: ubuntu-latest
     steps:
     - name: Install Go
       uses: actions/setup-go@v2
       with:
-        go-version: 1.18.x
+        go-version: 1.19.x
     - name: Checkout code
       uses: actions/checkout@v2
     - name: Install goimports
       run: go install golang.org/x/tools/cmd/goimports
-    - run: goimports -local scroll-tech/coordinator/ -w .
-    - run: go mod tidy
+    - name: Run goimports lint
+      working-directory: 'coordinator'
+      run: goimports -local scroll-tech/coordinator/ -w .
+    - name: Run go mod tidy
+      working-directory: 'coordinator'
+      run: go mod tidy
     # If there are any diffs from goimports or go mod tidy, fail.
     - name: Verify no changes from goimports and go mod tidy
+      working-directory: 'coordinator'
       run: |
         if [ -n "$(git status --porcelain)" ]; then
           exit 1
         fi
   # docker-build:
+  #   if: github.event.pull_request.draft == false
   #   runs-on: ubuntu-latest
   #   steps:
   #   - name: Checkout code
@@ -77,3 +86,35 @@ 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: 1.18.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: 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

@@ -9,51 +9,88 @@ on:
       - alpha
     paths:
       - 'database/**'
+      - 'common/**'
       - '.github/workflows/database.yml'
   pull_request:
-    branches:
-      - main
-      - staging
-      - develop
-      - alpha
+    types:
+      - opened
+      - reopened
+      - synchronize
+      - ready_for_review
     paths:
       - 'database/**'
+      - 'common/**'
       - '.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: 1.18.x
+        go-version: 1.19.x
     - name: Checkout code
       uses: actions/checkout@v2
     - name: Lint
+      working-directory: 'database'
       run: |
-        rm -rf $HOME/.cache/golangci-lint 
+        rm -rf $HOME/.cache/golangci-lint
         make lint
   goimports-lint:
+    if: github.event.pull_request.draft == false
     runs-on: ubuntu-latest
     steps:
     - name: Install Go
       uses: actions/setup-go@v2
       with:
-        go-version: 1.18.x
+        go-version: 1.19.x
     - name: Checkout code
       uses: actions/checkout@v2
     - name: Install goimports
       run: go install golang.org/x/tools/cmd/goimports
-    - run: goimports -local scroll-tech/database/ -w .
-    - run: go mod tidy
+    - name: Run goimports lint
+      working-directory: 'database'
+      run: goimports -local scroll-tech/database/ -w .
+    - name: Run go mod tidy
+      working-directory: 'database'
+      run: go mod tidy
     # If there are any diffs from goimports or go mod tidy, fail.
     - name: Verify no changes from goimports and go mod tidy
+      working-directory: 'database'
       run: |
         if [ -n "$(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: 1.18.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: 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

@@ -18,15 +18,6 @@ jobs:
       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:
@@ -63,3 +54,30 @@ jobs:
         tags: scrolltech/rollup-relayer:${{github.ref_name}}
         # cache-from: type=gha,scope=${{ github.workflow }}
         # cache-to: type=gha,scope=${{ github.workflow }}
+    - name: Build and push bridgehistoryapi-cross-msg-fetcher docker
+      uses: docker/build-push-action@v2
+      with:
+        context: .
+        file: ./build/dockerfiles/bridgehistoryapi-cross-msg-fetcher.Dockerfile
+        push: true
+        tags: scrolltech/bridgehistoryapi-cross-msg-fetcher:${{github.ref_name}}
+        # cache-from: type=gha,scope=${{ github.workflow }}
+        # cache-to: type=gha,scope=${{ github.workflow }}
+    - 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=${{ github.workflow }}
+    - name: Build and push coordinator docker
+      uses: docker/build-push-action@v2
+      with:
+        context: .
+        file: ./build/dockerfiles/coordinator.Dockerfile
+        push: true
+        tags: scrolltech/coordinator:${{github.ref_name}}
+        # cache-from: type=gha,scope=${{ github.workflow }}
+        # cache-to: type=gha,scope=${{ github.workflow }}

.github/workflows/integration.yaml

@@ -0,0 +1,43 @@
+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: 1.18.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: Build prerequisites
+      run: |
+        make dev_docker
+        make -C bridge 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

@@ -0,0 +1,59 @@
+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/roller.yml

@@ -11,11 +11,11 @@ on:
       - 'roller/**'
       - '.github/workflows/roller.yml'
   pull_request:
-    branches:
-      - main
-      - staging
-      - develop
-      - alpha
+    types:
+      - opened
+      - reopened
+      - synchronize
+      - ready_for_review
     paths:
       - 'roller/**'
       - '.github/workflows/roller.yml'
@@ -26,6 +26,7 @@ defaults:
 
 jobs:
   test:
+    if: github.event.pull_request.draft == false
     runs-on: ubuntu-latest
     steps:
     - uses: actions-rs/toolchain@v1
@@ -36,7 +37,7 @@ jobs:
     - name: Install Go
       uses: actions/setup-go@v2
       with:
-        go-version: 1.18.x
+        go-version: 1.19.x
     - name: Checkout code
       uses: actions/checkout@v2
     - name: Cache cargo
@@ -46,16 +47,21 @@ jobs:
     - name: Test
       run: |
         make roller
-        export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:./prover/lib
-        export CHAIN_ID=534353
-        go test -v ./...
+        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: roller
   check:
+    if: github.event.pull_request.draft == false
     runs-on: ubuntu-latest
     steps:
     - name: Install Go
       uses: actions/setup-go@v2
       with:
-        go-version: 1.18.x
+        go-version: 1.19.x
     - name: Checkout code
       uses: actions/checkout@v2
     - name: Lint
@@ -63,12 +69,13 @@ jobs:
         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: 1.18.x
+        go-version: 1.19.x
     - name: Checkout code
       uses: actions/checkout@v2
     - name: Install goimports

Jenkinsfile

@@ -1,99 +0,0 @@
-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}")
-        }
-    }
-}

Makefile

@@ -1,6 +1,4 @@
-.PHONY: check update dev_docker clean
-
-ZKP_VERSION=release-1220
+.PHONY: check update dev_docker build_test_docker run_test_docker clean
 
 help: ## Display this help message
 	@grep -h \
@@ -13,15 +11,18 @@ lint: ## The code's format and security checks.
 	make -C coordinator lint
 	make -C database lint
 	make -C roller lint
+	make -C bridge-history-api lint
 
 update: ## update dependencies
 	go work sync
-	cd $(PWD)/bridge/ && go get -u github.com/scroll-tech/go-ethereum@scroll && go mod tidy
-	cd $(PWD)/common/ && go get -u github.com/scroll-tech/go-ethereum@scroll && go mod tidy
-	cd $(PWD)/coordinator/ && go get -u github.com/scroll-tech/go-ethereum@scroll && go mod tidy
-	cd $(PWD)/database/ && go get -u github.com/scroll-tech/go-ethereum@scroll && go mod tidy
-	cd $(PWD)/roller/ && go get -u github.com/scroll-tech/go-ethereum@scroll && go mod tidy
+	cd $(PWD)/bridge/ && go get -u github.com/scroll-tech/go-ethereum@scroll-v4.1.0 && 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@scroll-v4.1.0 && go mod tidy
+	cd $(PWD)/coordinator/ && go get -u github.com/scroll-tech/go-ethereum@scroll-v4.1.0 && go mod tidy
+	cd $(PWD)/database/ && go get -u github.com/scroll-tech/go-ethereum@scroll-v4.1.0 && go mod tidy
+	cd $(PWD)/roller/ && go get -u github.com/scroll-tech/go-ethereum@scroll-v4.1.0 && go mod tidy
 	goimports -local $(PWD)/bridge/ -w .
+	goimports -local $(PWD)/bridge-history-api/ -w .
 	goimports -local $(PWD)/common/ -w .
 	goimports -local $(PWD)/coordinator/ -w .
 	goimports -local $(PWD)/database/ -w .
@@ -31,15 +32,11 @@ 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/
 
-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
+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
 
 clean: ## Empty out the bin folder
 	@rm -rf build/bin

README.md

@@ -1,12 +1,68 @@
 # Scroll Monorepo
 
-[![Contracts](https://github.com/scroll-tech/scroll/actions/workflows/contracts.yaml/badge.svg)](https://github.com/scroll-tech/scroll/actions/workflows/contracts.yaml) [![Bridge](https://github.com/scroll-tech/scroll/actions/workflows/bridge.yml/badge.svg)](https://github.com/scroll-tech/scroll/actions/workflows/bridge.yml) [![Coordinator](https://github.com/scroll-tech/scroll/actions/workflows/coordinator.yml/badge.svg)](https://github.com/scroll-tech/scroll/actions/workflows/coordinator.yml) [![Database](https://github.com/scroll-tech/scroll/actions/workflows/database.yml/badge.svg)](https://github.com/scroll-tech/scroll/actions/workflows/database.yml) [![Common](https://github.com/scroll-tech/scroll/actions/workflows/common.yml/badge.svg)](https://github.com/scroll-tech/scroll/actions/workflows/common.yml) [![Roller](https://github.com/scroll-tech/scroll/actions/workflows/roller.yml/badge.svg)](https://github.com/scroll-tech/scroll/actions/workflows/roller.yml)
+[![codecov](https://codecov.io/gh/scroll-tech/scroll/branch/develop/graph/badge.svg?token=VJVHNQWGGW)](https://codecov.io/gh/scroll-tech/scroll)
 
 ## Prerequisites
-+ go1.18
-+ rust (for version, see [rust-toolchain](./common/libzkp/impl/rust-toolchain))
-+ hardhat / foundry
++ Go 1.19
++ Rust (for version, see [rust-toolchain](./common/libzkp/impl/rust-toolchain))
++ Hardhat / Foundry
++ Docker
 
----
+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:
 
-For a more comprehensive doc, see [`docs/`](./docs).
+```bash
+docker pull postgres
+make dev_docker
+```
+
+## Testing Bridge & Coordinator
+
+### For Non-Apple Silicon (M1/M2) Macs
+
+Run the tests using the following commands:
+
+```bash
+go test -v -race -covermode=atomic scroll-tech/bridge/...
+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/bridge/...
+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 [`<REPO_DIR>/contracts/src/test/`](/contracts/src/test/), and integration tests in [`<REPO_DIR>/contracts/integration-test/`](/contracts/integration-test/).
+
+For more details on contracts, see [`/contracts`](/contracts).

bridge-history-api/.gitignore

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

bridge-history-api/Makefile

@@ -0,0 +1,26 @@
+.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-cross-msg-fetcher:
+	go build -o $(PWD)/build/bin/bridgehistoryapi-cross-msg-fetcher ./cmd/cross_msg_fetcher
+
+bridgehistoryapi-server:
+	go build -o $(PWD)/build/bin/bridgehistoryapi-server ./cmd/backend_server
+
+db-docker:
+	docker run --name bridgehistoryapi-history-db -p 5444:5432 -e POSTGRES_PASSWORD=123456 -e POSTGRES_DB=test -d postgres
+
+bridgehistoryapi-docker:
+	DOCKER_BUILDKIT=1 docker build -t scrolltech/bridgehistoryapi-cross-msg-fetcher:${IMAGE_VERSION} ${REPO_ROOT_DIR}/ -f ${REPO_ROOT_DIR}/build/dockerfiles/bridgehistoryapi-cross-msg-fetcher.Dockerfile
+	DOCKER_BUILDKIT=1 docker build -t scrolltech/bridgehistoryapi-server:${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

@@ -0,0 +1 @@
+# bridge-history-api

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

@@ -0,0 +1,102 @@
+package app
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/ethereum/go-ethereum/log"
+	"github.com/iris-contrib/middleware/cors"
+	"github.com/kataras/iris/v12"
+	"github.com/kataras/iris/v12/mvc"
+	"github.com/urfave/cli/v2"
+
+	"bridge-history-api/config"
+	"bridge-history-api/controller"
+	"bridge-history-api/db"
+	"bridge-history-api/service"
+	cutils "bridge-history-api/utils"
+)
+
+var (
+	app *cli.App
+)
+
+var database db.OrmFactory
+
+func pong(ctx iris.Context) {
+	ctx.WriteString("pong")
+}
+
+func setupQueryByAddressHandler(backend_app *mvc.Application) {
+	// Register Dependencies.
+	backend_app.Register(
+		database,
+		service.NewHistoryService,
+	)
+
+	// Register Controllers.
+	backend_app.Handle(new(controller.QueryAddressController))
+}
+
+func setupQueryByHashHandler(backend_app *mvc.Application) {
+	backend_app.Register(
+		database,
+		service.NewHistoryService,
+	)
+	backend_app.Handle(new(controller.QueryHashController))
+}
+
+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, cutils.CommonFlags...)
+	app.Commands = []*cli.Command{}
+
+	app.Before = func(ctx *cli.Context) error {
+		return cutils.LogSetup(ctx)
+	}
+}
+
+func action(ctx *cli.Context) error {
+	corsOptions := cors.New(cors.Options{
+		AllowedOrigins:   []string{"*"},
+		AllowedMethods:   []string{"GET", "POST", "PUT", "DELETE"},
+		AllowCredentials: true,
+	})
+	// 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)
+	}
+	database, err = db.NewOrmFactory(cfg)
+	if err != nil {
+		log.Crit("can not connect to database", "err", err)
+	}
+	defer database.Close()
+	bridgeApp := iris.New()
+	bridgeApp.UseRouter(corsOptions)
+	bridgeApp.Get("/ping", pong).Describe("healthcheck")
+
+	mvc.Configure(bridgeApp.Party("/api/txs"), setupQueryByAddressHandler)
+	mvc.Configure(bridgeApp.Party("/api/txsbyhashes"), setupQueryByHashHandler)
+
+	// TODO: make debug mode configurable
+	err = bridgeApp.Listen(cfg.Server.HostPort, iris.WithLogLevel("debug"))
+	if err != nil {
+		log.Crit("can not start server", "err", err)
+	}
+
+	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/backend_server/main.go

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

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

@@ -0,0 +1,134 @@
+package app
+
+import (
+	"context"
+	"fmt"
+	"os"
+	"os/signal"
+
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/ethclient"
+	"github.com/ethereum/go-ethereum/log"
+	"github.com/urfave/cli/v2"
+
+	"bridge-history-api/config"
+	"bridge-history-api/cross_msg"
+	"bridge-history-api/cross_msg/message_proof"
+	"bridge-history-api/db"
+	cutils "bridge-history-api/utils"
+)
+
+var (
+	app *cli.App
+)
+
+func init() {
+	app = cli.NewApp()
+
+	app.Action = action
+	app.Name = "Scroll Bridge History API"
+	app.Usage = "The Scroll Bridge Web Backend"
+	app.Flags = append(app.Flags, cutils.CommonFlags...)
+	app.Commands = []*cli.Command{}
+
+	app.Before = func(ctx *cli.Context) error {
+		return cutils.LogSetup(ctx)
+	}
+}
+
+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)
+	defer cancel()
+
+	l1client, err := ethclient.Dial(cfg.L1.Endpoint)
+	if err != nil {
+		log.Crit("failed to connect l1 geth", "config file", cfgFile, "error", err)
+	}
+	l2client, err := ethclient.Dial(cfg.L2.Endpoint)
+	if err != nil {
+		log.Crit("failed to connect l2 geth", "config file", cfgFile, "error", err)
+	}
+	db, err := db.NewOrmFactory(cfg)
+	defer db.Close()
+	if err != nil {
+		log.Crit("failed to connect to db", "config file", cfgFile, "error", err)
+	}
+
+	l1worker := &cross_msg.FetchEventWorker{F: cross_msg.L1FetchAndSaveEvents, G: cross_msg.GetLatestL1ProcessedHeight, Name: "L1 events fetch Worker"}
+
+	l2worker := &cross_msg.FetchEventWorker{F: cross_msg.L2FetchAndSaveEvents, G: cross_msg.GetLatestL2ProcessedHeight, Name: "L2 events fetch Worker"}
+
+	l1AddressList := []common.Address{
+		common.HexToAddress(cfg.L1.CustomERC20GatewayAddr),
+		common.HexToAddress(cfg.L1.ERC721GatewayAddr),
+		common.HexToAddress(cfg.L1.ERC1155GatewayAddr),
+		common.HexToAddress(cfg.L1.MessengerAddr),
+		common.HexToAddress(cfg.L1.ETHGatewayAddr),
+		common.HexToAddress(cfg.L1.StandardERC20Gateway),
+		common.HexToAddress(cfg.L1.WETHGatewayAddr),
+	}
+
+	l2AddressList := []common.Address{
+		common.HexToAddress(cfg.L2.CustomERC20GatewayAddr),
+		common.HexToAddress(cfg.L2.ERC721GatewayAddr),
+		common.HexToAddress(cfg.L2.ERC1155GatewayAddr),
+		common.HexToAddress(cfg.L2.MessengerAddr),
+		common.HexToAddress(cfg.L2.ETHGatewayAddr),
+		common.HexToAddress(cfg.L2.StandardERC20Gateway),
+		common.HexToAddress(cfg.L2.WETHGatewayAddr),
+	}
+
+	l1crossMsgFetcher, err := cross_msg.NewCrossMsgFetcher(subCtx, cfg.L1, db, l1client, l1worker, l1AddressList, cross_msg.L1ReorgHandling)
+	if err != nil {
+		log.Crit("failed to create l1 cross message fetcher", "error", err)
+	}
+
+	go l1crossMsgFetcher.Start()
+	defer l1crossMsgFetcher.Stop()
+
+	l2crossMsgFetcher, err := cross_msg.NewCrossMsgFetcher(subCtx, cfg.L2, db, l2client, l2worker, l2AddressList, cross_msg.L2ReorgHandling)
+	if err != nil {
+		log.Crit("failed to create l2 cross message fetcher", "error", err)
+	}
+
+	go l2crossMsgFetcher.Start()
+	defer l2crossMsgFetcher.Stop()
+
+	// BlockTimestamp fetcher for l1 and l2
+	l1BlockTimeFetcher := cross_msg.NewBlockTimestampFetcher(subCtx, cfg.L1.Confirmation, int(cfg.L1.BlockTime), l1client, db.UpdateL1BlockTimestamp, db.GetL1EarliestNoBlockTimestampHeight)
+	go l1BlockTimeFetcher.Start()
+	defer l1BlockTimeFetcher.Stop()
+
+	l2BlockTimeFetcher := cross_msg.NewBlockTimestampFetcher(subCtx, cfg.L2.Confirmation, int(cfg.L2.BlockTime), l2client, db.UpdateL2BlockTimestamp, db.GetL2EarliestNoBlockTimestampHeight)
+	go l2BlockTimeFetcher.Start()
+	defer l2BlockTimeFetcher.Stop()
+
+	// Proof updater and batch fetcher
+	l2msgProofUpdater := message_proof.NewMsgProofUpdater(subCtx, cfg.L1.Confirmation, cfg.BatchInfoFetcher.BatchIndexStartBlock, db)
+	batchFetcher := cross_msg.NewBatchInfoFetcher(subCtx, common.HexToAddress(cfg.BatchInfoFetcher.ScrollChainAddr), cfg.BatchInfoFetcher.BatchIndexStartBlock, cfg.L1.Confirmation, int(cfg.L1.BlockTime), l1client, db, l2msgProofUpdater)
+	go batchFetcher.Start()
+	defer batchFetcher.Stop()
+
+	// 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/cross_msg_fetcher/main.go

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

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

@@ -0,0 +1,75 @@
+package app
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/urfave/cli/v2"
+
+	"bridge-history-api/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

@@ -0,0 +1,108 @@
+package app
+
+import (
+	"github.com/ethereum/go-ethereum/log"
+	"github.com/jmoiron/sqlx"
+	"github.com/urfave/cli/v2"
+
+	"bridge-history-api/config"
+	"bridge-history-api/db"
+	"bridge-history-api/db/migrate"
+	"bridge-history-api/utils"
+)
+
+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 *config.Config) (*sqlx.DB, error) {
+	factory, err := db.NewOrmFactory(dbCfg)
+	if err != nil {
+		return nil, err
+	}
+	log.Debug("Got db config from env", "driver name", dbCfg.DB.DriverName, "dsn", dbCfg.DB.DSN)
+
+	return factory.GetDB(), nil
+}
+
+// resetDB clean or reset database.
+func resetDB(ctx *cli.Context) error {
+	cfg, err := getConfig(ctx)
+	if err != nil {
+		return err
+	}
+	db, err := initDB(cfg)
+	if err != nil {
+		return err
+	}
+	err = migrate.ResetDB(db.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
+	}
+	db, err := initDB(cfg)
+	if err != nil {
+		return err
+	}
+
+	return migrate.Status(db.DB)
+}
+
+// dbVersion return the latest version
+func dbVersion(ctx *cli.Context) error {
+	cfg, err := getConfig(ctx)
+	if err != nil {
+		return err
+	}
+	db, err := initDB(cfg)
+	if err != nil {
+		return err
+	}
+
+	version, err := migrate.Current(db.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
+	}
+	db, err := initDB(cfg)
+	if err != nil {
+		return err
+	}
+
+	return migrate.Migrate(db.DB)
+}
+
+// rollbackDB rollback db by version
+func rollbackDB(ctx *cli.Context) error {
+	cfg, err := getConfig(ctx)
+	if err != nil {
+		return err
+	}
+	db, err := initDB(cfg)
+	if err != nil {
+		return err
+	}
+	version := ctx.Int64("version")
+	return migrate.Rollback(db.DB, &version)
+}

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

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

bridge-history-api/config.json

@@ -0,0 +1,41 @@
+{
+	"batchInfoFetcher": {
+		"batchIndexStartBlock": 9091265,
+		"ScrollChainAddr": "0xcD00DB804C819175B381b2B44Aa16A391c8a01D6"
+	},
+	"l1": {
+		"confirmation": 64,
+		"endpoint": "https://rpc.ankr.com/eth_goerli",
+		"startHeight": 9090194 ,
+		"blockTime": 10,
+		"MessengerAddr": "0x326517Eb8eB1Ce5eaB5b513C2e9A24839b402d90",
+		"ETHGatewayAddr": "0x8305cB7B8448677736095965B63d7431017328fe",
+		"WETHGatewayAddr": "0xe3bA3c60d99a2d9a5f817734bC85353470b23931",
+		"StandardERC20Gateway": "0x16c1079B27eD9c363B7D08aC5Ae937A398972A5C",
+		"CustomERC20GatewayAddr": "0x61f08caD3d6F77801167d3bA8669433701586643",
+		"ERC721GatewayAddr": "0x4A73D25A4C99CB912acaf6C5B5e554f2982201c5",
+		"ERC1155GatewayAddr": "0xa3F5DD3033698c2832C53f3C3Fe6E062F58cD808"
+	},
+	"l2": {
+		"confirmation": 1,
+		"endpoint": "http://staging-l2geth-rpc0.scroll.tech:8545",
+		"blockTime": 3,
+		"startHeight": 0,
+		"CustomERC20GatewayAddr": "0x905db21f836749fEeD12de781afc4A5Ab4Dd0d51",
+		"ERC721GatewayAddr": "0xC53D835514780664BCd7eCfcE7c2E5d9554dc41B",
+		"StandardERC20Gateway": "0x90271634BCB020e06ea4840C3f7aa61b8F860651",
+		"MessengerAddr": "0xE8b0956Ac75c65Aa1669e83888DA13afF2E108f4",
+		"ETHGatewayAddr": "0xD5938590D5dD8ce95812D4D515a219C12C551D67",
+		"WETHGatewayAddr": "0xb0aaA582564fade4232a16fdB1383004A6A7247F",
+		"ERC1155GatewayAddr": "0x4f33B1655619c2C0B7C450128Df760B4365Cb549"
+	},
+	"db": {
+		"dsn": "postgres://postgres:1234@localhost:5444/test?sslmode=disable",
+		"driverName": "postgres",
+		"maxOpenNum": 200,
+		"maxIdleNum": 20
+	},
+	"server": {
+		"hostPort": "0.0.0.0:20006"
+	}
+}

bridge-history-api/config/config.go

@@ -0,0 +1,68 @@
+package config
+
+import (
+	"encoding/json"
+	"os"
+	"path/filepath"
+)
+
+type BatchInfoFetcherConfig struct {
+	BatchIndexStartBlock uint64 `json:"batchIndexStartBlock"`
+	ScrollChainAddr      string `json:"ScrollChainAddr"`
+}
+
+// DBConfig db config
+type DBConfig struct {
+	// data source name
+	DSN        string `json:"dsn"`
+	DriverName string `json:"driverName"`
+
+	MaxOpenNum int `json:"maxOpenNum"`
+	MaxIdleNum int `json:"maxIdleNum"`
+}
+
+type LayerConfig struct {
+	Confirmation           uint64 `json:"confirmation"`
+	Endpoint               string `json:"endpoint"`
+	StartHeight            uint64 `json:"startHeight"`
+	BlockTime              int64  `json:"blockTime"`
+	MessengerAddr          string `json:"MessengerAddr"`
+	ETHGatewayAddr         string `json:"ETHGatewayAddr"`
+	WETHGatewayAddr        string `json:"WETHGatewayAddr"`
+	StandardERC20Gateway   string `json:"StandardERC20Gateway"`
+	ERC721GatewayAddr      string `json:"ERC721GatewayAddr"`
+	ERC1155GatewayAddr     string `json:"ERC1155GatewayAddr"`
+	CustomERC20GatewayAddr string `json:"CustomERC20GatewayAddr"`
+}
+
+type ServerConfig struct {
+	HostPort string `json:"hostPort"`
+}
+
+// Config is the configuration of the bridge history backend
+type Config struct {
+	// chain config
+	L1 *LayerConfig `json:"l1"`
+	L2 *LayerConfig `json:"l2"`
+
+	// data source name
+	DB               *DBConfig               `json:"db"`
+	Server           *ServerConfig           `json:"server"`
+	BatchInfoFetcher *BatchInfoFetcherConfig `json:"batchInfoFetcher"`
+}
+
+// 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/controller/controller.go

@@ -0,0 +1,37 @@
+package controller
+
+import (
+	"bridge-history-api/model"
+	"bridge-history-api/service"
+
+	"github.com/ethereum/go-ethereum/common"
+)
+
+type QueryAddressController struct {
+	Service service.HistoryService
+}
+
+type QueryHashController struct {
+	Service service.HistoryService
+}
+
+func (c *QueryAddressController) Get(req model.QueryByAddressRequest) (*model.QueryByAddressResponse, error) {
+	message, total, err := c.Service.GetTxsByAddress(common.HexToAddress(req.Address), int64(req.Offset), int64(req.Limit))
+	if err != nil {
+		return &model.QueryByAddressResponse{Message: "500", Data: &model.Data{}}, err
+	}
+
+	return &model.QueryByAddressResponse{Message: "ok",
+		Data: &model.Data{
+			Result: message,
+			Total:  total,
+		}}, nil
+}
+
+func (c *QueryHashController) Post(req model.QueryByHashRequest) (*model.QueryByHashResponse, error) {
+	result, err := c.Service.GetTxsByHashes(req.Txs)
+	if err != nil {
+		return &model.QueryByHashResponse{Message: "500", Data: &model.Data{}}, err
+	}
+	return &model.QueryByHashResponse{Message: "ok", Data: &model.Data{Result: result}}, nil
+}

bridge-history-api/cross_msg/batch_info_fetcher.go

@@ -0,0 +1,105 @@
+package cross_msg
+
+import (
+	"context"
+	"time"
+
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/ethclient"
+	"github.com/ethereum/go-ethereum/log"
+
+	"bridge-history-api/cross_msg/message_proof"
+	"bridge-history-api/db"
+	"bridge-history-api/utils"
+)
+
+type BatchInfoFetcher struct {
+	ctx                  context.Context
+	scrollChainAddr      common.Address
+	batchInfoStartNumber uint64
+	confirmation         uint64
+	blockTimeInSec       int
+	client               *ethclient.Client
+	db                   db.OrmFactory
+	msgProofUpdater      *message_proof.MsgProofUpdater
+}
+
+func NewBatchInfoFetcher(ctx context.Context, scrollChainAddr common.Address, batchInfoStartNumber uint64, confirmation uint64, blockTimeInSec int, client *ethclient.Client, db db.OrmFactory, msgProofUpdater *message_proof.MsgProofUpdater) *BatchInfoFetcher {
+	return &BatchInfoFetcher{
+		ctx:                  ctx,
+		scrollChainAddr:      scrollChainAddr,
+		batchInfoStartNumber: batchInfoStartNumber,
+		confirmation:         confirmation,
+		blockTimeInSec:       blockTimeInSec,
+		client:               client,
+		db:                   db,
+		msgProofUpdater:      msgProofUpdater,
+	}
+}
+
+func (b *BatchInfoFetcher) Start() {
+	log.Info("BatchInfoFetcher Start")
+	// Fetch batch info at beginning
+	// Then start msg proof updater after db have some bridge batch
+	err := b.fetchBatchInfo()
+	if err != nil {
+		log.Error("fetch batch info at begining failed: ", "err", err)
+	}
+
+	go b.msgProofUpdater.Start()
+
+	go func() {
+		tick := time.NewTicker(time.Duration(b.blockTimeInSec) * time.Second)
+		for {
+			select {
+			case <-b.ctx.Done():
+				tick.Stop()
+				return
+			case <-tick.C:
+				err := b.fetchBatchInfo()
+				if err != nil {
+					log.Error("fetch batch info failed: ", "err", err)
+				}
+			}
+		}
+	}()
+}
+
+func (b *BatchInfoFetcher) Stop() {
+	log.Info("BatchInfoFetcher Stop")
+	b.msgProofUpdater.Stop()
+}
+
+func (b *BatchInfoFetcher) fetchBatchInfo() error {
+	number, err := utils.GetSafeBlockNumber(b.ctx, b.client, b.confirmation)
+	if err != nil {
+		log.Error("Can not get latest block number: ", "err", err)
+		return err
+	}
+	latestBatch, err := b.db.GetLatestRollupBatch()
+	if err != nil {
+		log.Error("Can not get latest BatchInfo: ", "err", err)
+		return err
+	}
+	var startHeight uint64
+	if latestBatch == nil {
+		startHeight = b.batchInfoStartNumber
+	} else {
+		startHeight = latestBatch.CommitHeight + 1
+	}
+	for from := startHeight; number >= from; from += uint64(fetchLimit) {
+		to := from + uint64(fetchLimit) - 1
+		// number - confirmation can never less than 0 since the for loop condition
+		// but watch out the overflow
+		if to > number {
+			to = number
+		}
+		// filter logs to fetch batches
+		err = FetchAndSaveBatchIndex(b.ctx, b.client, b.db, int64(from), int64(to), b.scrollChainAddr)
+		if err != nil {
+			log.Error("Can not fetch and save from chain: ", "err", err)
+			return err
+		}
+	}
+	return nil
+}

bridge-history-api/cross_msg/block_timestamp_fetcher.go

@@ -0,0 +1,78 @@
+package cross_msg
+
+import (
+	"context"
+	"math/big"
+	"time"
+
+	"github.com/ethereum/go-ethereum/ethclient"
+	"github.com/ethereum/go-ethereum/log"
+)
+
+type GetEarliestNoBlockTimestampHeightFunc func() (uint64, error)
+type UpdateBlockTimestampFunc func(height uint64, timestamp time.Time) error
+
+type BlockTimestampFetcher struct {
+	ctx                                   context.Context
+	confirmation                          uint64
+	blockTimeInSec                        int
+	client                                *ethclient.Client
+	updateBlockTimestampFunc              UpdateBlockTimestampFunc
+	getEarliestNoBlockTimestampHeightFunc GetEarliestNoBlockTimestampHeightFunc
+}
+
+func NewBlockTimestampFetcher(ctx context.Context, confirmation uint64, blockTimeInSec int, client *ethclient.Client, updateBlockTimestampFunc UpdateBlockTimestampFunc, getEarliestNoBlockTimestampHeightFunc GetEarliestNoBlockTimestampHeightFunc) *BlockTimestampFetcher {
+	return &BlockTimestampFetcher{
+		ctx:                                   ctx,
+		confirmation:                          confirmation,
+		blockTimeInSec:                        blockTimeInSec,
+		client:                                client,
+		getEarliestNoBlockTimestampHeightFunc: getEarliestNoBlockTimestampHeightFunc,
+		updateBlockTimestampFunc:              updateBlockTimestampFunc,
+	}
+}
+
+func (b *BlockTimestampFetcher) Start() {
+	go func() {
+		tick := time.NewTicker(time.Duration(b.blockTimeInSec) * time.Second)
+		for {
+			select {
+			case <-b.ctx.Done():
+				tick.Stop()
+				return
+			case <-tick.C:
+				number, err := b.client.BlockNumber(b.ctx)
+				if err != nil {
+					log.Error("Can not get latest block number", "err", err)
+					continue
+				}
+				startHeight, err := b.getEarliestNoBlockTimestampHeightFunc()
+				if err != nil {
+					log.Error("Can not get latest record without block timestamp", "err", err)
+					continue
+				}
+				for height := startHeight; number >= height+b.confirmation && height > 0; {
+					block, err := b.client.HeaderByNumber(b.ctx, new(big.Int).SetUint64(height))
+					if err != nil {
+						log.Error("Can not get block by number", "err", err)
+						break
+					}
+					err = b.updateBlockTimestampFunc(height, time.Unix(int64(block.Time), 0))
+					if err != nil {
+						log.Error("Can not update blockTimestamp into DB ", "err", err)
+						break
+					}
+					height, err = b.getEarliestNoBlockTimestampHeightFunc()
+					if err != nil {
+						log.Error("Can not get latest record without block timestamp", "err", err)
+						break
+					}
+				}
+			}
+		}
+	}()
+}
+
+func (b *BlockTimestampFetcher) Stop() {
+	log.Info("BlockTimestampFetcher Stop")
+}

bridge-history-api/cross_msg/cross_msg_fetcher.go

@@ -0,0 +1,210 @@
+package cross_msg
+
+import (
+	"context"
+	"fmt"
+	"math/big"
+	"sync"
+	"time"
+
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/core/types"
+	"github.com/ethereum/go-ethereum/ethclient"
+	"github.com/ethereum/go-ethereum/log"
+	"github.com/modern-go/reflect2"
+
+	"bridge-history-api/config"
+	"bridge-history-api/db"
+	"bridge-history-api/utils"
+)
+
+type CrossMsgFetcher struct {
+	ctx           context.Context
+	config        *config.LayerConfig
+	db            db.OrmFactory
+	client        *ethclient.Client
+	worker        *FetchEventWorker
+	reorgHandling ReorgHandling
+	addressList   []common.Address
+	cachedHeaders []*types.Header
+	mu            sync.Mutex
+	reorgStartCh  chan struct{}
+	reorgEndCh    chan struct{}
+}
+
+func NewCrossMsgFetcher(ctx context.Context, config *config.LayerConfig, db db.OrmFactory, client *ethclient.Client, worker *FetchEventWorker, addressList []common.Address, reorg ReorgHandling) (*CrossMsgFetcher, error) {
+	crossMsgFetcher := &CrossMsgFetcher{
+		ctx:           ctx,
+		config:        config,
+		db:            db,
+		client:        client,
+		worker:        worker,
+		reorgHandling: reorg,
+		addressList:   addressList,
+		cachedHeaders: make([]*types.Header, 0),
+		reorgStartCh:  make(chan struct{}),
+		reorgEndCh:    make(chan struct{}),
+	}
+	return crossMsgFetcher, nil
+}
+
+func (c *CrossMsgFetcher) Start() {
+	log.Info("CrossMsgFetcher Start")
+	// fetch missing events from finalized blocks, we don't handle reorgs here
+	c.forwardFetchAndSaveMissingEvents(c.config.Confirmation)
+
+	tick := time.NewTicker(time.Duration(c.config.BlockTime) * time.Second)
+	headerTick := time.NewTicker(time.Duration(c.config.BlockTime/2) * time.Second)
+	go func() {
+		for {
+			select {
+			case <-c.reorgStartCh:
+				// create timeout here
+				timeout := time.NewTicker(300 * time.Second)
+				select {
+				case <-c.reorgEndCh:
+					log.Info("Reorg finished")
+					timeout.Stop()
+				case <-timeout.C:
+					// TODO: need to notify the on-call members to handle reorg manually
+					timeout.Stop()
+					log.Crit("Reorg timeout")
+				}
+			case <-c.ctx.Done():
+				tick.Stop()
+				return
+			case <-tick.C:
+				c.mu.Lock()
+				c.forwardFetchAndSaveMissingEvents(1)
+				c.mu.Unlock()
+			}
+		}
+	}()
+
+	go func() {
+		for {
+			select {
+			case <-c.ctx.Done():
+				headerTick.Stop()
+				return
+			case <-headerTick.C:
+				c.fetchMissingLatestHeaders()
+			}
+		}
+	}()
+}
+
+func (c *CrossMsgFetcher) Stop() {
+	log.Info("CrossMsgFetcher Stop")
+}
+
+// forwardFetchAndSaveMissingEvents will fetch all events from the latest processed height to the latest block number.
+func (c *CrossMsgFetcher) forwardFetchAndSaveMissingEvents(confirmation uint64) {
+	// if we fetch to the latest block, shall not exceed cachedHeaders
+	var number uint64
+	var err error
+	if len(c.cachedHeaders) != 0 && confirmation == 0 {
+		number = c.cachedHeaders[len(c.cachedHeaders)-1].Number.Uint64() - 1
+	} else {
+		number, err = utils.GetSafeBlockNumber(c.ctx, c.client, confirmation)
+		if err != nil {
+			log.Error(fmt.Sprintf("%s: can not get the safe block number", c.worker.Name), "err", err)
+			return
+		}
+	}
+	if reflect2.IsNil(c.worker.G) || reflect2.IsNil(c.worker.F) {
+		log.Error(fmt.Sprintf("%s: invalid get/fetch function", c.worker.Name))
+		return
+	}
+	processedHeight, err := c.worker.G(c.db)
+	if err != nil {
+		log.Error(fmt.Sprintf("%s: can not get latest processed block height", c.worker.Name))
+	}
+	log.Info(fmt.Sprintf("%s: ", c.worker.Name), "height", processedHeight)
+	if processedHeight <= 0 || processedHeight < int64(c.config.StartHeight) {
+		processedHeight = int64(c.config.StartHeight)
+	} else {
+		processedHeight += 1
+	}
+	for from := processedHeight; from <= int64(number); from += fetchLimit {
+		to := from + fetchLimit - 1
+		if to > int64(number) {
+			to = int64(number)
+		}
+		err := c.worker.F(c.ctx, c.client, c.db, from, to, c.addressList)
+		if err != nil {
+			log.Error(fmt.Sprintf("%s: failed!", c.worker.Name), "err", err)
+			break
+		}
+	}
+}
+
+func (c *CrossMsgFetcher) fetchMissingLatestHeaders() {
+	var start int64
+	number, err := c.client.BlockNumber(c.ctx)
+	if err != nil {
+		log.Error("fetchMissingLatestHeaders(): can not get the latest block number", "err", err)
+		return
+	}
+
+	if len(c.cachedHeaders) > 0 {
+		start = c.cachedHeaders[len(c.cachedHeaders)-1].Number.Int64() + 1
+	} else {
+		start = int64(number - c.config.Confirmation)
+	}
+	for i := start; i <= int64(number); i++ {
+		select {
+		case <-c.ctx.Done():
+			close(c.reorgStartCh)
+			close(c.reorgEndCh)
+			return
+		default:
+			header, err := c.client.HeaderByNumber(c.ctx, big.NewInt(int64(i)))
+			if err != nil {
+				log.Error("failed to get latest header", "err", err)
+				return
+			}
+			if len(c.cachedHeaders) == 0 {
+				c.cachedHeaders = MergeAddIntoHeaderList(c.cachedHeaders, []*types.Header{header}, int(c.config.Confirmation))
+				return
+			}
+			//check if the fetched header is child from the last cached header
+			if IsParentAndChild(c.cachedHeaders[len(c.cachedHeaders)-1], header) {
+				c.cachedHeaders = MergeAddIntoHeaderList(c.cachedHeaders, []*types.Header{header}, int(c.config.Confirmation))
+				log.Debug("fetched block into cache", "height", header.Number, "parent hash", header.ParentHash.Hex(), "block hash", c.cachedHeaders[len(c.cachedHeaders)-1].Hash().Hex(), "len", len(c.cachedHeaders))
+				continue
+			}
+			// reorg happened
+			log.Warn("Reorg happened", "height", header.Number, "parent hash", header.ParentHash.Hex(), "last cached hash", c.cachedHeaders[len(c.cachedHeaders)-1].Hash().Hex(), "last cached height", c.cachedHeaders[len(c.cachedHeaders)-1].Number)
+			c.reorgStartCh <- struct{}{}
+			// waiting here if there is fetcher running
+			c.mu.Lock()
+			index, ok, validHeaders := BackwardFindReorgBlock(c.ctx, c.cachedHeaders, c.client, header)
+			if !ok {
+				log.Error("Reorg happended too earlier than cached headers", "reorg height", header.Number)
+				num, err := utils.GetSafeBlockNumber(c.ctx, c.client, c.config.Confirmation)
+				if err != nil {
+					log.Crit("Can not get safe number during reorg, quit the process", "err", err)
+				}
+				// clear all our saved data, because no data is safe now
+				err = c.reorgHandling(c.ctx, int64(num), c.db)
+				// if handling success then we can update the cachedHeaders
+				if err == nil {
+					c.cachedHeaders = c.cachedHeaders[:0]
+				}
+				c.mu.Unlock()
+				c.reorgEndCh <- struct{}{}
+				return
+			}
+			err = c.reorgHandling(c.ctx, c.cachedHeaders[index].Number.Int64(), c.db)
+			// if handling success then we can update the cachedHeaders
+			if err == nil {
+				c.cachedHeaders = c.cachedHeaders[:index+1]
+				c.cachedHeaders = MergeAddIntoHeaderList(c.cachedHeaders, validHeaders, int(c.config.Confirmation))
+			}
+			c.mu.Unlock()
+			c.reorgEndCh <- struct{}{}
+		}
+	}
+
+}

bridge-history-api/cross_msg/fetch_missing_event.go

@@ -0,0 +1,231 @@
+package cross_msg
+
+import (
+	"context"
+	"math/big"
+
+	geth "github.com/ethereum/go-ethereum"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/ethclient"
+	"github.com/ethereum/go-ethereum/log"
+
+	backendabi "bridge-history-api/abi"
+	"bridge-history-api/db"
+	"bridge-history-api/utils"
+)
+
+// Todo : read from config
+var (
+	// the number of blocks fetch per round
+	fetchLimit = int64(3000)
+)
+
+// FetchAndSave is a function type that fetches events from blockchain and saves them to database
+type FetchAndSave func(ctx context.Context, client *ethclient.Client, database db.OrmFactory, from int64, to int64, addressList []common.Address) error
+
+// GetLatestProcessed is a function type that gets the latest processed block height from database
+type GetLatestProcessed func(db db.OrmFactory) (int64, error)
+type UpdateXHash func(ctx context.Context)
+
+type FetchEventWorker struct {
+	F    FetchAndSave
+	G    GetLatestProcessed
+	Name string
+}
+
+func GetLatestL1ProcessedHeight(db db.OrmFactory) (int64, error) {
+	crossHeight, err := db.GetLatestL1ProcessedHeight()
+	if err != nil {
+		log.Error("failed to get L1 cross message processed height: ", "err", err)
+		return 0, err
+	}
+	relayedHeight, err := db.GetLatestRelayedHeightOnL1()
+	if err != nil {
+		log.Error("failed to get L1 relayed message processed height: ", "err", err)
+		return 0, err
+	}
+	if crossHeight > relayedHeight {
+		return crossHeight, nil
+	} else {
+		return relayedHeight, nil
+	}
+}
+
+func GetLatestL2ProcessedHeight(db db.OrmFactory) (int64, error) {
+	crossHeight, err := db.GetLatestL2ProcessedHeight()
+	if err != nil {
+		log.Error("failed to get L2 cross message processed height", "err", err)
+		return 0, err
+	}
+	relayedHeight, err := db.GetLatestRelayedHeightOnL2()
+	if err != nil {
+		log.Error("failed to get L2 relayed message processed height", "err", err)
+		return 0, err
+	}
+	l2SentHeight, err := db.GetLatestSentMsgHeightOnL2()
+	if err != nil {
+		log.Error("failed to get L2 sent message processed height", "err", err)
+		return 0, err
+	}
+	maxHeight := crossHeight
+	if maxHeight < relayedHeight {
+		maxHeight = relayedHeight
+	}
+	if maxHeight < l2SentHeight {
+		maxHeight = l2SentHeight
+	}
+	return maxHeight, nil
+}
+
+func L1FetchAndSaveEvents(ctx context.Context, client *ethclient.Client, database db.OrmFactory, from int64, to int64, addrList []common.Address) error {
+	query := geth.FilterQuery{
+		FromBlock: big.NewInt(from), // inclusive
+		ToBlock:   big.NewInt(to),   // inclusive
+		Addresses: addrList,
+		Topics:    make([][]common.Hash, 1),
+	}
+	query.Topics[0] = make([]common.Hash, 7)
+	query.Topics[0][0] = backendabi.L1DepositETHSig
+	query.Topics[0][1] = backendabi.L1DepositERC20Sig
+	query.Topics[0][2] = backendabi.L1RelayedMessageEventSignature
+	query.Topics[0][3] = backendabi.L1SentMessageEventSignature
+	query.Topics[0][4] = backendabi.L1DepositERC721Sig
+	query.Topics[0][5] = backendabi.L1DepositERC1155Sig
+	query.Topics[0][6] = backendabi.L1DepositWETHSig
+
+	logs, err := client.FilterLogs(ctx, query)
+	if err != nil {
+		log.Warn("Failed to get l1 event logs", "err", err)
+		return err
+	}
+	depositL1CrossMsgs, relayedMsg, err := utils.ParseBackendL1EventLogs(logs)
+	if err != nil {
+		log.Error("l1FetchAndSaveEvents: Failed to parse cross msg event logs", "err", err)
+		return err
+	}
+	dbTx, err := database.Beginx()
+	if err != nil {
+		log.Error("l2FetchAndSaveEvents: Failed to begin db transaction", "err", err)
+		return err
+	}
+	err = database.BatchInsertL1CrossMsgDBTx(dbTx, depositL1CrossMsgs)
+	if err != nil {
+		dbTx.Rollback()
+		log.Crit("l1FetchAndSaveEvents: Failed to insert cross msg event logs", "err", err)
+	}
+
+	err = database.BatchInsertRelayedMsgDBTx(dbTx, relayedMsg)
+	if err != nil {
+		dbTx.Rollback()
+		log.Crit("l1FetchAndSaveEvents: Failed to insert relayed message event logs", "err", err)
+	}
+	err = dbTx.Commit()
+	if err != nil {
+		// if we can not insert into DB, there must something wrong, need a on-call member handle the dababase manually
+		dbTx.Rollback()
+		log.Error("l1FetchAndSaveEvents: Failed to commit db transaction", "err", err)
+		return err
+	}
+
+	return nil
+}
+
+func L2FetchAndSaveEvents(ctx context.Context, client *ethclient.Client, database db.OrmFactory, from int64, to int64, addrList []common.Address) error {
+	query := geth.FilterQuery{
+		FromBlock: big.NewInt(from), // inclusive
+		ToBlock:   big.NewInt(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.L2RelayedMessageEventSignature
+	query.Topics[0][3] = backendabi.L2SentMessageEventSignature
+	query.Topics[0][4] = backendabi.L2WithdrawERC721Sig
+	query.Topics[0][5] = backendabi.L2WithdrawERC1155Sig
+	query.Topics[0][6] = backendabi.L2WithdrawWETHSig
+
+	logs, err := client.FilterLogs(ctx, query)
+	if err != nil {
+		log.Warn("Failed to get l2 event logs", "err", err)
+		return err
+	}
+	depositL2CrossMsgs, relayedMsg, l2SentMsgs, err := utils.ParseBackendL2EventLogs(logs)
+	if err != nil {
+		log.Error("l2FetchAndSaveEvents: Failed to parse cross msg event logs", "err", err)
+		return err
+	}
+
+	dbTx, err := database.Beginx()
+	if err != nil {
+		log.Error("l2FetchAndSaveEvents: Failed to begin db transaction", "err", err)
+		return err
+	}
+	err = database.BatchInsertL2CrossMsgDBTx(dbTx, depositL2CrossMsgs)
+	if err != nil {
+		dbTx.Rollback()
+		log.Crit("l2FetchAndSaveEvents: Failed to insert cross msg event logs", "err", err)
+	}
+
+	err = database.BatchInsertRelayedMsgDBTx(dbTx, relayedMsg)
+	if err != nil {
+		dbTx.Rollback()
+		log.Crit("l2FetchAndSaveEvents: Failed to insert relayed message event logs", "err", err)
+	}
+
+	err = database.BatchInsertL2SentMsgDBTx(dbTx, l2SentMsgs)
+	if err != nil {
+		dbTx.Rollback()
+		log.Crit("l2FetchAndSaveEvents: Failed to insert l2 sent message", "err", err)
+	}
+
+	err = dbTx.Commit()
+	if err != nil {
+		// if we can not insert into DB, there must something wrong, need a on-call member handle the dababase manually
+		dbTx.Rollback()
+		log.Error("l2FetchAndSaveEvents: Failed to commit db transaction", "err", err)
+		return err
+	}
+
+	return nil
+}
+
+func FetchAndSaveBatchIndex(ctx context.Context, client *ethclient.Client, database db.OrmFactory, from int64, to int64, scrollChainAddr common.Address) error {
+	query := geth.FilterQuery{
+		FromBlock: big.NewInt(from), // inclusive
+		ToBlock:   big.NewInt(to),   // inclusive
+		Addresses: []common.Address{scrollChainAddr},
+		Topics:    make([][]common.Hash, 1),
+	}
+	query.Topics[0] = make([]common.Hash, 1)
+	query.Topics[0][0] = backendabi.L1CommitBatchEventSignature
+	logs, err := client.FilterLogs(ctx, query)
+	if err != nil {
+		log.Warn("Failed to get batch commit event logs", "err", err)
+		return err
+	}
+	rollupBatches, err := utils.ParseBatchInfoFromScrollChain(ctx, client, logs)
+	if err != nil {
+		log.Error("FetchAndSaveBatchIndex: Failed to parse batch commit msg event logs", "err", err)
+		return err
+	}
+	dbTx, err := database.Beginx()
+	if err != nil {
+		log.Error("FetchAndSaveBatchIndex: Failed to begin db transaction", "err", err)
+		return err
+	}
+	err = database.BatchInsertRollupBatchDBTx(dbTx, rollupBatches)
+	if err != nil {
+		dbTx.Rollback()
+		log.Crit("FetchAndSaveBatchIndex: Failed to insert batch commit msg event logs", "err", err)
+	}
+	err = dbTx.Commit()
+	if err != nil {
+		// if we can not insert into DB, there must something wrong, need a on-call member handle the dababase manually
+		dbTx.Rollback()
+		log.Error("FetchAndSaveBatchIndex: Failed to commit db transaction", "err", err)
+		return err
+	}
+	return nil
+}

bridge-history-api/cross_msg/message_proof/msg_proof_updater.go

@@ -0,0 +1,241 @@
+package message_proof
+
+import (
+	"context"
+	"database/sql"
+	"errors"
+	"fmt"
+	"time"
+
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/log"
+
+	"bridge-history-api/db"
+	"bridge-history-api/db/orm"
+)
+
+type MsgProofUpdater struct {
+	ctx          context.Context
+	db           db.OrmFactory
+	withdrawTrie *WithdrawTrie
+}
+
+func NewMsgProofUpdater(ctx context.Context, confirmations uint64, startBlock uint64, db db.OrmFactory) *MsgProofUpdater {
+	return &MsgProofUpdater{
+		ctx:          ctx,
+		db:           db,
+		withdrawTrie: NewWithdrawTrie(),
+	}
+}
+
+func (m *MsgProofUpdater) Start() {
+	log.Info("MsgProofUpdater Start")
+	m.initialize(m.ctx)
+	go func() {
+		tick := time.NewTicker(10 * time.Second)
+		for {
+			select {
+			case <-m.ctx.Done():
+				tick.Stop()
+				return
+			case <-tick.C:
+				latestBatch, err := m.db.GetLatestRollupBatch()
+				if err != nil {
+					log.Warn("MsgProofUpdater: Can not get latest RollupBatch: ", "err", err)
+					continue
+				}
+				if latestBatch == nil {
+					continue
+				}
+				latestBatchIndexWithProof, err := m.db.GetLatestL2SentMsgBatchIndex()
+				if err != nil {
+					log.Error("MsgProofUpdater: Can not get latest L2SentMsgBatchIndex: ", "err", err)
+					continue
+				}
+				var start uint64
+				if latestBatchIndexWithProof < 0 {
+					start = 1
+				} else {
+					start = uint64(latestBatchIndexWithProof) + 1
+				}
+				for i := start; i <= latestBatch.BatchIndex; i++ {
+					batch, err := m.db.GetRollupBatchByIndex(i)
+					if err != nil {
+						log.Error("MsgProofUpdater: Can not get RollupBatch: ", "err", err, "index", i)
+						break
+					}
+					// get all l2 messages in this batch
+					msgs, proofs, err := m.appendL2Messages(batch.StartBlockNumber, batch.EndBlockNumber)
+					if err != nil {
+						log.Error("MsgProofUpdater: can not append l2messages", "startBlockNumber", batch.StartBlockNumber, "endBlockNumber", batch.EndBlockNumber, "err", err)
+						break
+					}
+					err = m.updateMsgProof(msgs, proofs, batch.BatchIndex)
+					if err != nil {
+						log.Error("MsgProofUpdater: can not update msg proof", "err", err)
+						break
+					}
+				}
+
+			}
+		}
+	}()
+
+}
+
+func (m *MsgProofUpdater) Stop() {
+	log.Info("MsgProofUpdater Stop")
+}
+
+func (m *MsgProofUpdater) initialize(ctx context.Context) {
+	for {
+		select {
+		case <-ctx.Done():
+			return
+		default:
+			err := m.initializeWithdrawTrie()
+			if err != nil {
+				log.Error("can not initialize withdraw trie", "err", err)
+				// give it some time to retry
+				time.Sleep(10 * time.Second)
+				continue
+			}
+			return
+		}
+	}
+}
+
+func (m *MsgProofUpdater) initializeWithdrawTrie() error {
+	var batch *orm.RollupBatch
+	firstMsg, err := m.db.GetL2SentMessageByNonce(0)
+	if err != nil && !errors.Is(err, sql.ErrNoRows) {
+		return fmt.Errorf("failed to get first l2 message: %v", err)
+	}
+	// no l2 message
+	// 	TO DO: check if we realy dont have l2 sent message with nonce 0
+	if firstMsg == nil {
+		log.Info("No first l2sentmsg in db")
+		return nil
+	}
+
+	// if no batch, return and wait for next try round
+	batch, err = m.db.GetLatestRollupBatch()
+	if err != nil {
+		return fmt.Errorf("failed to get latest batch: %v", err)
+	}
+	if batch == nil {
+		return fmt.Errorf("no batch found")
+	}
+
+	var batches []*orm.RollupBatch
+	batchIndex := batch.BatchIndex
+	for {
+		var msg *orm.L2SentMsg
+		msg, err = m.db.GetLatestL2SentMsgLEHeight(batch.EndBlockNumber)
+		if err != nil {
+			log.Warn("failed to get l2 sent message less than height", "endBlocknum", batch.EndBlockNumber, "err", err)
+		}
+		if msg != nil && msg.MsgProof != "" {
+			log.Info("Found latest l2 sent msg with proof: ", "msg_proof", msg.MsgProof, "height", msg.Height, "msg_hash", msg.MsgHash)
+			// initialize withdrawTrie
+			proofBytes := common.Hex2Bytes(msg.MsgProof)
+			m.withdrawTrie.Initialize(msg.Nonce, common.HexToHash(msg.MsgHash), proofBytes)
+			break
+		}
+
+		// append unprocessed batch
+		batches = append(batches, batch)
+
+		if batchIndex == 1 {
+			// otherwise overflow
+			// and batchIndex 0 is not in DB
+			// To Do: check if we dont have batch with index 0 in future
+			break
+		}
+		// iterate for next batch
+		batchIndex--
+
+		batch, err = m.db.GetRollupBatchByIndex(batchIndex)
+		if err != nil {
+			return fmt.Errorf("failed to get block batch %v: %v", batchIndex, err)
+		}
+	}
+
+	log.Info("Build withdraw trie with pending messages")
+	for i := len(batches) - 1; i >= 0; i-- {
+		b := batches[i]
+		msgs, proofs, err := m.appendL2Messages(b.StartBlockNumber, b.EndBlockNumber)
+		if err != nil {
+			return err
+		}
+
+		err = m.updateMsgProof(msgs, proofs, b.BatchIndex)
+		if err != nil {
+			return err
+		}
+	}
+	log.Info("Build withdraw trie finished")
+
+	return nil
+}
+
+func (m *MsgProofUpdater) updateMsgProof(msgs []*orm.L2SentMsg, proofs [][]byte, batchIndex uint64) error {
+	if len(msgs) == 0 {
+		return nil
+	}
+	// this should not happend, but double checked
+	if len(msgs) != len(proofs) {
+		return fmt.Errorf("illegal state: len(msgs) != len(proofs)")
+	}
+	dbTx, err := m.db.Beginx()
+	if err != nil {
+		return err
+	}
+
+	for i, msg := range msgs {
+		proofHex := common.Bytes2Hex(proofs[i])
+		log.Debug("updateMsgProof", "msgHash", msg.MsgHash, "batchIndex", batchIndex, "proof", proofHex)
+		if dbTxErr := m.db.UpdateL2MessageProofInDBTx(m.ctx, dbTx, msg.MsgHash, proofHex, batchIndex); dbTxErr != nil {
+			if err := dbTx.Rollback(); err != nil {
+				log.Error("dbTx.Rollback()", "err", err)
+			}
+			return dbTxErr
+		}
+	}
+
+	if dbTxErr := dbTx.Commit(); dbTxErr != nil {
+		if err := dbTx.Rollback(); err != nil {
+			log.Error("dbTx.Rollback()", "err", err)
+		}
+		return dbTxErr
+	}
+
+	return nil
+}
+
+// appendL2Messages will append all messages between firstBlock and lastBlock (both inclusive) to withdrawTrie and compute corresponding merkle proof of each message.
+func (m *MsgProofUpdater) appendL2Messages(firstBlock, lastBlock uint64) ([]*orm.L2SentMsg, [][]byte, error) {
+	var msgProofs [][]byte
+	messages, err := m.db.GetL2SentMsgMsgHashByHeightRange(firstBlock, lastBlock)
+	if err != nil {
+		log.Error("GetL2SentMsgMsgHashByHeightRange failed", "error", err, "firstBlock", firstBlock, "lastBlock", lastBlock)
+		return messages, msgProofs, err
+	}
+	if len(messages) == 0 {
+		return messages, msgProofs, nil
+	}
+
+	// double check whether nonce is matched
+	if messages[0].Nonce != m.withdrawTrie.NextMessageNonce {
+		log.Error("L2 message nonce mismatch", "expected", m.withdrawTrie.NextMessageNonce, "found", messages[0].Nonce)
+		return messages, msgProofs, fmt.Errorf("l2 message nonce mismatch, expected: %v, found: %v", m.withdrawTrie.NextMessageNonce, messages[0].Nonce)
+	}
+
+	var hashes []common.Hash
+	for _, msg := range messages {
+		hashes = append(hashes, common.HexToHash(msg.MsgHash))
+	}
+	msgProofs = m.withdrawTrie.AppendMessages(hashes)
+
+	return messages, msgProofs, nil
+}

bridge-history-api/cross_msg/message_proof/withdraw_trie.go

@@ -0,0 +1,189 @@
+package message_proof
+
+import (
+	"github.com/ethereum/go-ethereum/common"
+
+	"bridge-history-api/utils"
+)
+
+// 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] = utils.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] = utils.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 = utils.Keccak2(root, zeroes[height])
+		} else {
+			// it's a right child, use previously computed hash
+			root = utils.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 = utils.Keccak2(root, proof[height])
+		} else {
+			// it's a right child, use previously computed hash
+			branches[height] = proof[height]
+			root = utils.Keccak2(proof[height], root)
+		}
+		index >>= 1
+	}
+	branches[height] = root
+	for height++; height < 64; height++ {
+		branches[height] = common.Hash{}
+	}
+	return branches
+}

bridge-history-api/cross_msg/message_proof/withdraw_trie_test.go

@@ -0,0 +1,212 @@
+package message_proof
+
+import (
+	"math/big"
+	"testing"
+
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/stretchr/testify/assert"
+
+	"bridge-history-api/utils"
+)
+
+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] = utils.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] = utils.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 = utils.Keccak2(root, h)
+		} else {
+			root = utils.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, utils.Keccak2(hashes[i], hashes[i+1]))
+			} else {
+				newHashes = append(newHashes, utils.Keccak2(hashes[i], zeroHash))
+			}
+		}
+		hashes = newHashes
+		zeroHash = utils.Keccak2(zeroHash, zeroHash)
+	}
+	return hashes[0]
+}

bridge-history-api/cross_msg/msg_fetcher_test.go

@@ -0,0 +1,65 @@
+package cross_msg_test
+
+import (
+	"crypto/rand"
+	"math/big"
+	"testing"
+
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/core/types"
+	"github.com/stretchr/testify/assert"
+
+	"bridge-history-api/cross_msg"
+)
+
+func TestMergeIntoList(t *testing.T) {
+	headers, err := generateHeaders(64)
+	assert.NoError(t, err)
+	assert.Equal(t, headers[0].Hash(), headers[1].ParentHash)
+	headers2, err := generateHeaders(18)
+	assert.NoError(t, err)
+	result := cross_msg.MergeAddIntoHeaderList(headers, headers2, 64)
+	assert.Equal(t, 64, len(result))
+	assert.Equal(t, headers2[len(headers2)-1], result[len(result)-1])
+	assert.NotEqual(t, headers[0], result[0])
+}
+
+func generateHeaders(amount int) ([]*types.Header, error) {
+	headers := make([]*types.Header, amount)
+
+	for i := 0; i < amount; i++ {
+		var parentHash common.Hash
+		if i > 0 {
+			parentHash = headers[i-1].Hash()
+		}
+		nonce, err := rand.Int(rand.Reader, big.NewInt(1<<63-1))
+		if err != nil {
+			return nil, err
+		}
+		difficulty := big.NewInt(131072)
+
+		header := &types.Header{
+			ParentHash:  parentHash,
+			UncleHash:   types.EmptyUncleHash,
+			Coinbase:    common.Address{},
+			Root:        common.Hash{},
+			TxHash:      types.EmptyRootHash,
+			ReceiptHash: types.EmptyRootHash,
+			Bloom:       types.Bloom{},
+			Difficulty:  difficulty,
+			Number:      big.NewInt(int64(i)),
+			GasLimit:    5000000,
+			GasUsed:     0,
+			Time:        uint64(i * 15),
+			Extra:       []byte{},
+			MixDigest:   common.Hash{},
+			Nonce:       types.EncodeNonce(uint64(nonce.Uint64())),
+		}
+		headers[i] = header
+	}
+
+	return headers, nil
+}
+
+// TODO: add more test cases
+// func TestReorg(t *testing.T)

bridge-history-api/cross_msg/reorg_handle.go

@@ -0,0 +1,109 @@
+package cross_msg
+
+import (
+	"context"
+
+	"github.com/ethereum/go-ethereum/core/types"
+	"github.com/ethereum/go-ethereum/ethclient"
+	"github.com/ethereum/go-ethereum/log"
+
+	"bridge-history-api/db"
+)
+
+type ReorgHandling func(ctx context.Context, reorgHeight int64, db db.OrmFactory) error
+
+func reverseArray(arr []*types.Header) []*types.Header {
+	for i := 0; i < len(arr)/2; i++ {
+		j := len(arr) - i - 1
+		arr[i], arr[j] = arr[j], arr[i]
+	}
+	return arr
+}
+
+func IsParentAndChild(parentHeader *types.Header, header *types.Header) bool {
+	return header.ParentHash == parentHeader.Hash()
+}
+
+func MergeAddIntoHeaderList(baseArr, extraArr []*types.Header, maxLength int) []*types.Header {
+	mergedArr := append(baseArr, extraArr...)
+	if len(mergedArr) <= maxLength {
+		return mergedArr
+	}
+
+	startIndex := len(mergedArr) - maxLength
+	return mergedArr[startIndex:]
+}
+
+func BackwardFindReorgBlock(ctx context.Context, headers []*types.Header, client *ethclient.Client, header *types.Header) (int, bool, []*types.Header) {
+	maxStep := len(headers)
+	backwardHeaderList := []*types.Header{header}
+	for iterRound := 0; iterRound < maxStep; iterRound++ {
+		header, err := client.HeaderByHash(ctx, header.ParentHash)
+		if err != nil {
+			log.Error("BackwardFindReorgBlock failed", "error", err)
+			return -1, false, nil
+		}
+		backwardHeaderList = append(backwardHeaderList, header)
+		for j := len(headers) - 1; j >= 0; j-- {
+			if IsParentAndChild(headers[j], header) {
+				backwardHeaderList = reverseArray(backwardHeaderList)
+				return j, true, backwardHeaderList
+			}
+		}
+	}
+	return -1, false, nil
+}
+
+func L1ReorgHandling(ctx context.Context, reorgHeight int64, db db.OrmFactory) error {
+	dbTx, err := db.Beginx()
+	if err != nil {
+		log.Crit("begin db tx failed", "err", err)
+	}
+	err = db.DeleteL1CrossMsgAfterHeightDBTx(dbTx, reorgHeight)
+	if err != nil {
+		dbTx.Rollback()
+		log.Crit("delete l1 cross msg from height", "height", reorgHeight, "err", err)
+	}
+	err = db.DeleteL1RelayedHashAfterHeightDBTx(dbTx, reorgHeight)
+	if err != nil {
+		dbTx.Rollback()
+		log.Crit("delete l1 relayed hash from height", "height", reorgHeight, "err", err)
+	}
+	err = dbTx.Commit()
+	if err != nil {
+		dbTx.Rollback()
+		log.Error("commit tx failed", "err", err)
+		return err
+	}
+	return nil
+}
+
+func L2ReorgHandling(ctx context.Context, reorgHeight int64, db db.OrmFactory) error {
+	dbTx, err := db.Beginx()
+	if err != nil {
+		dbTx.Rollback()
+		log.Crit("begin db tx failed", "err", err)
+	}
+	err = db.DeleteL2CrossMsgFromHeightDBTx(dbTx, reorgHeight)
+	if err != nil {
+		dbTx.Rollback()
+		log.Crit("delete l2 cross msg from height", "height", reorgHeight, "err", err)
+	}
+	err = db.DeleteL2RelayedHashAfterHeightDBTx(dbTx, reorgHeight)
+	if err != nil {
+		dbTx.Rollback()
+		log.Crit("delete l2 relayed hash from height", "height", reorgHeight, "err", err)
+	}
+	err = db.DeleteL2SentMsgAfterHeightDBTx(dbTx, reorgHeight)
+	if err != nil {
+		dbTx.Rollback()
+		log.Crit("delete l2 sent msg from height", "height", reorgHeight, "err", err)
+	}
+	err = dbTx.Commit()
+	if err != nil {
+		dbTx.Rollback()
+		log.Error("commit tx failed", "err", err)
+		return err
+	}
+	return nil
+}

bridge-history-api/db/migrate/migrate.go

@@ -0,0 +1,61 @@
+package migrate
+
+import (
+	"database/sql"
+	"embed"
+	"os"
+	"strconv"
+
+	"github.com/pressly/goose/v3"
+)
+
+//go:embed migrations/*.sql
+var embedMigrations embed.FS
+
+// MigrationsDir migration dir
+const MigrationsDir string = "migrations"
+
+func init() {
+	goose.SetBaseFS(embedMigrations)
+	goose.SetSequential(true)
+	goose.SetTableName("bridge_history_migrations")
+
+	verbose, _ := strconv.ParseBool(os.Getenv("LOG_SQL_MIGRATIONS"))
+	goose.SetVerbose(verbose)
+}
+
+// Migrate migrate db
+func Migrate(db *sql.DB) error {
+	return goose.Up(db, MigrationsDir, goose.WithAllowMissing())
+}
+
+// Rollback rollback to the given version
+func Rollback(db *sql.DB, version *int64) error {
+	if version != nil {
+		return goose.DownTo(db, MigrationsDir, *version)
+	}
+	return goose.Down(db, MigrationsDir)
+}
+
+// ResetDB clean and migrate db.
+func ResetDB(db *sql.DB) error {
+	if err := Rollback(db, new(int64)); err != nil {
+		return err
+	}
+	return Migrate(db)
+}
+
+// Current get current version
+func Current(db *sql.DB) (int64, error) {
+	return goose.GetDBVersion(db)
+}
+
+// Status is normal or not
+func Status(db *sql.DB) error {
+	return goose.Version(db, MigrationsDir)
+}
+
+// Create a new migration folder
+func Create(db *sql.DB, name, migrationType string) error {
+	return goose.Create(db, MigrationsDir, name, migrationType)
+}

bridge-history-api/db/migrate/migrations/00001_cross_msg.sql

@@ -0,0 +1,57 @@
+-- +goose Up
+-- +goose StatementBegin
+create table cross_message
+(
+    id              BIGSERIAL PRIMARY KEY,
+    msg_hash        VARCHAR NOT NULL,
+    height          BIGINT  NOT NULL,
+    sender          VARCHAR NOT NULL,
+    target          VARCHAR NOT NULL,
+    amount          VARCHAR NOT NULL,
+    layer1_hash     VARCHAR NOT NULL DEFAULT '',
+    layer2_hash     VARCHAR NOT NULL DEFAULT '',
+    layer1_token    VARCHAR NOT NULL DEFAULT '',
+    layer2_token    VARCHAR NOT NULL DEFAULT '',
+    asset           SMALLINT NOT NULL,
+    msg_type        SMALLINT NOT NULL,
+    token_ids       TEXT NOT NULL DEFAULT '',
+    token_amounts   TEXT NOT NULL DEFAULT '',
+    block_timestamp TIMESTAMP(0) DEFAULT 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
+);
+
+create unique index uk_msg_hash_msg_type
+on cross_message (msg_hash, msg_type) where deleted_at IS NULL;
+
+comment
+on column cross_message.asset is 'ETH, ERC20, ERC721, ERC1155';
+
+comment
+on column cross_message.msg_type is 'unknown, l1msg, l2msg';
+
+CREATE INDEX idx_l1_msg_index ON cross_message (layer1_hash, deleted_at);
+
+CREATE INDEX idx_l2_msg_index ON cross_message (layer2_hash, deleted_at);
+
+CREATE INDEX idx_height_msg_type_index ON cross_message (height, msg_type, deleted_at);
+
+CREATE OR REPLACE FUNCTION update_timestamp()
+RETURNS TRIGGER AS $$
+BEGIN
+   NEW.updated_at = CURRENT_TIMESTAMP;
+   RETURN NEW;
+END;
+$$ language 'plpgsql';
+
+CREATE TRIGGER update_timestamp BEFORE UPDATE
+ON cross_message FOR EACH ROW EXECUTE PROCEDURE
+update_timestamp();
+
+-- +goose StatementEnd
+
+-- +goose Down
+-- +goose StatementBegin
+drop table if exists cross_message;
+-- +goose StatementEnd

bridge-history-api/db/migrate/migrations/00002_relayed_msg.sql

@@ -0,0 +1,39 @@
+-- +goose Up
+-- +goose StatementBegin
+create table relayed_msg
+(
+    id          BIGSERIAL PRIMARY KEY,
+    msg_hash    VARCHAR NOT NULL,
+    height      BIGINT NOT NULL,
+    layer1_hash VARCHAR NOT NULL DEFAULT '',
+    layer2_hash VARCHAR NOT NULL DEFAULT '',
+    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 uk_msg_hash_l1_hash_l2_hash
+on relayed_msg (msg_hash, layer1_hash, layer2_hash) where deleted_at IS NULL;
+
+CREATE INDEX idx_l1_msg_relayed_msg ON relayed_msg (layer1_hash, deleted_at);
+
+CREATE INDEX idx_l2_msg_relayed_msg ON relayed_msg (layer2_hash, deleted_at);
+
+CREATE OR REPLACE FUNCTION update_timestamp()
+RETURNS TRIGGER AS $$
+BEGIN
+   NEW.updated_at = CURRENT_TIMESTAMP;
+   RETURN NEW;
+END;
+$$ language 'plpgsql';
+
+CREATE TRIGGER update_timestamp BEFORE UPDATE
+ON relayed_msg FOR EACH ROW EXECUTE PROCEDURE
+update_timestamp();
+
+-- +goose StatementEnd
+
+-- +goose Down
+-- +goose StatementBegin
+drop table if exists relayed_msg;
+-- +goose StatementEnd

bridge-history-api/db/migrate/migrations/00003_l2_sent_msg.sql

@@ -0,0 +1,44 @@
+-- +goose Up
+-- +goose StatementBegin
+create table l2_sent_msg
+(
+    id               BIGSERIAL PRIMARY KEY,
+    original_sender  VARCHAR NOT NULL DEFAULT '',
+    sender           VARCHAR NOT NULL,
+    target           VARCHAR NOT NULL,
+    value            VARCHAR NOT NULL,
+    msg_hash         VARCHAR NOT NULL,
+    height           BIGINT NOT NULL,
+    nonce            BIGINT NOT NULL,
+    batch_index      BIGINT NOT NULL DEFAULT 0,
+    msg_proof        TEXT NOT NULL DEFAULT '',
+    msg_data         TEXT NOT NULL DEFAULT '',
+    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 uk_msg_hash
+on l2_sent_msg (msg_hash) where deleted_at IS NULL;
+
+create unique index uk_nonce
+on l2_sent_msg (nonce) where deleted_at IS NULL;
+
+CREATE OR REPLACE FUNCTION update_timestamp()
+RETURNS TRIGGER AS $$
+BEGIN
+   NEW.updated_at = CURRENT_TIMESTAMP;
+   RETURN NEW;
+END;
+$$ language 'plpgsql';
+
+CREATE TRIGGER update_timestamp BEFORE UPDATE
+ON l2_sent_msg FOR EACH ROW EXECUTE PROCEDURE
+update_timestamp();
+
+-- +goose StatementEnd
+
+-- +goose Down
+-- +goose StatementBegin
+drop table if exists l2_sent_msg;
+-- +goose StatementEnd

bridge-history-api/db/migrate/migrations/00004_rollup_batch.sql

@@ -0,0 +1,39 @@
+-- +goose Up
+-- +goose StatementBegin
+create table rollup_batch
+(
+    id                  BIGSERIAL PRIMARY KEY,
+    batch_index         BIGINT NOT NULL,
+    commit_height       BIGINT NOT NULL,
+    start_block_number  BIGINT NOT NULL,
+    end_block_number    BIGINT NOT NULL,
+    batch_hash          VARCHAR 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
+);
+
+create unique index uk_batch_index
+on rollup_batch (batch_index) where deleted_at IS NULL;
+
+create unique index uk_batch_hash
+on rollup_batch (batch_hash) where deleted_at IS NULL;
+
+CREATE OR REPLACE FUNCTION update_timestamp()
+RETURNS TRIGGER AS $$
+BEGIN
+   NEW.updated_at = CURRENT_TIMESTAMP;
+   RETURN NEW;
+END;
+$$ language 'plpgsql';
+
+CREATE TRIGGER update_timestamp BEFORE UPDATE
+ON rollup_batch FOR EACH ROW EXECUTE PROCEDURE
+update_timestamp();
+
+-- +goose StatementEnd
+
+-- +goose Down
+-- +goose StatementBegin
+drop table if exists rollup_batch;
+-- +goose StatementEnd

bridge-history-api/db/orm/batch.go

@@ -0,0 +1,70 @@
+package orm
+
+import (
+	"database/sql"
+
+	"github.com/ethereum/go-ethereum/log"
+	"github.com/jmoiron/sqlx"
+)
+
+type rollupBatchOrm struct {
+	db *sqlx.DB
+}
+
+type RollupBatch struct {
+	ID               uint64 `json:"id" db:"id"`
+	BatchIndex       uint64 `json:"batch_index" db:"batch_index"`
+	BatchHash        string `json:"batch_hash" db:"batch_hash"`
+	CommitHeight     uint64 `json:"commit_height" db:"commit_height"`
+	StartBlockNumber uint64 `json:"start_block_number" db:"start_block_number"`
+	EndBlockNumber   uint64 `json:"end_block_number" db:"end_block_number"`
+}
+
+// NewRollupBatchOrm create an NewRollupBatchOrm instance
+func NewRollupBatchOrm(db *sqlx.DB) RollupBatchOrm {
+	return &rollupBatchOrm{db: db}
+}
+
+func (b *rollupBatchOrm) BatchInsertRollupBatchDBTx(dbTx *sqlx.Tx, batches []*RollupBatch) error {
+	if len(batches) == 0 {
+		return nil
+	}
+	var err error
+	batchMaps := make([]map[string]interface{}, len(batches))
+	for i, batch := range batches {
+		batchMaps[i] = map[string]interface{}{
+			"commit_height":      batch.CommitHeight,
+			"batch_index":        batch.BatchIndex,
+			"batch_hash":         batch.BatchHash,
+			"start_block_number": batch.StartBlockNumber,
+			"end_block_number":   batch.EndBlockNumber,
+		}
+	}
+	_, err = dbTx.NamedExec(`insert into rollup_batch(commit_height, batch_index, batch_hash, start_block_number, end_block_number) values(:commit_height, :batch_index, :batch_hash, :start_block_number, :end_block_number);`, batchMaps)
+	if err != nil {
+		log.Error("BatchInsertRollupBatchDBTx: failed to insert batch event msgs", "err", err)
+		return err
+	}
+	return nil
+}
+
+func (b *rollupBatchOrm) GetLatestRollupBatch() (*RollupBatch, error) {
+	result := &RollupBatch{}
+	row := b.db.QueryRowx(`SELECT id, batch_index, commit_height, batch_hash, start_block_number, end_block_number FROM rollup_batch ORDER BY batch_index DESC LIMIT 1;`)
+	if err := row.StructScan(result); err != nil {
+		if err == sql.ErrNoRows {
+			return nil, nil
+		}
+		return nil, err
+	}
+	return result, nil
+}
+
+func (b *rollupBatchOrm) GetRollupBatchByIndex(index uint64) (*RollupBatch, error) {
+	result := &RollupBatch{}
+	row := b.db.QueryRowx(`SELECT id, batch_index, batch_hash, commit_height, start_block_number, end_block_number FROM rollup_batch WHERE batch_index = $1;`, index)
+	if err := row.StructScan(result); err != nil {
+		return nil, err
+	}
+	return result, nil
+}

bridge-history-api/db/orm/interface.go

@@ -0,0 +1,116 @@
+package orm
+
+import (
+	"context"
+	"time"
+
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/jmoiron/sqlx"
+)
+
+type AssetType int
+type MsgType int
+
+func (a AssetType) String() string {
+	switch a {
+	case ETH:
+		return "ETH"
+	case ERC20:
+		return "ERC20"
+	case ERC1155:
+		return "ERC1155"
+	case ERC721:
+		return "ERC721"
+	}
+	return "Unknown Asset Type"
+}
+
+const (
+	ETH AssetType = iota
+	ERC20
+	ERC721
+	ERC1155
+)
+
+const (
+	UnknownMsg MsgType = iota
+	Layer1Msg
+	Layer2Msg
+)
+
+// CrossMsg represents a cross message from layer 1 to layer 2
+type CrossMsg struct {
+	ID           uint64     `json:"id" db:"id"`
+	MsgHash      string     `json:"msg_hash" db:"msg_hash"`
+	Height       uint64     `json:"height" db:"height"`
+	Sender       string     `json:"sender" db:"sender"`
+	Target       string     `json:"target" db:"target"`
+	Amount       string     `json:"amount" db:"amount"`
+	Layer1Hash   string     `json:"layer1_hash" db:"layer1_hash"`
+	Layer2Hash   string     `json:"layer2_hash" db:"layer2_hash"`
+	Layer1Token  string     `json:"layer1_token" db:"layer1_token"`
+	Layer2Token  string     `json:"layer2_token" db:"layer2_token"`
+	TokenIDs     string     `json:"token_ids" db:"token_ids"`
+	TokenAmounts string     `json:"token_amounts" db:"token_amounts"`
+	Asset        int        `json:"asset" db:"asset"`
+	MsgType      int        `json:"msg_type" db:"msg_type"`
+	Timestamp    *time.Time `json:"timestamp" db:"block_timestamp"`
+	CreatedAt    *time.Time `json:"created_at" db:"created_at"`
+	UpdatedAt    *time.Time `json:"updated_at" db:"updated_at"`
+	DeletedAt    *time.Time `json:"deleted_at" db:"deleted_at"`
+}
+
+// L1CrossMsgOrm provides operations on l1_cross_message table
+type L1CrossMsgOrm interface {
+	GetL1CrossMsgByHash(l1Hash common.Hash) (*CrossMsg, error)
+	GetL1CrossMsgsByAddress(sender common.Address) ([]*CrossMsg, error)
+	BatchInsertL1CrossMsgDBTx(dbTx *sqlx.Tx, messages []*CrossMsg) error
+	// UpdateL1CrossMsgHashDBTx invoked when SentMessage event is received
+	UpdateL1CrossMsgHashDBTx(ctx context.Context, dbTx *sqlx.Tx, l1Hash, msgHash common.Hash) error
+	UpdateL1CrossMsgHash(ctx context.Context, l1Hash, msgHash common.Hash) error
+	GetLatestL1ProcessedHeight() (int64, error)
+	DeleteL1CrossMsgAfterHeightDBTx(dbTx *sqlx.Tx, height int64) error
+	UpdateL1BlockTimestamp(height uint64, timestamp time.Time) error
+	GetL1EarliestNoBlockTimestampHeight() (uint64, error)
+}
+
+// L2CrossMsgOrm provides operations on cross_message table
+type L2CrossMsgOrm interface {
+	GetL2CrossMsgByHash(l2Hash common.Hash) (*CrossMsg, error)
+	GetL2CrossMsgByAddress(sender common.Address) ([]*CrossMsg, error)
+	BatchInsertL2CrossMsgDBTx(dbTx *sqlx.Tx, messages []*CrossMsg) error
+	// UpdateL2CrossMsgHashDBTx invoked when SentMessage event is received
+	UpdateL2CrossMsgHashDBTx(ctx context.Context, dbTx *sqlx.Tx, l2Hash, msgHash common.Hash) error
+	UpdateL2CrossMsgHash(ctx context.Context, l2Hash, msgHash common.Hash) error
+	GetLatestL2ProcessedHeight() (int64, error)
+	DeleteL2CrossMsgFromHeightDBTx(dbTx *sqlx.Tx, height int64) error
+	UpdateL2BlockTimestamp(height uint64, timestamp time.Time) error
+	GetL2EarliestNoBlockTimestampHeight() (uint64, error)
+}
+
+type RelayedMsgOrm interface {
+	BatchInsertRelayedMsgDBTx(dbTx *sqlx.Tx, messages []*RelayedMsg) error
+	GetRelayedMsgByHash(msg_hash string) (*RelayedMsg, error)
+	GetLatestRelayedHeightOnL1() (int64, error)
+	GetLatestRelayedHeightOnL2() (int64, error)
+	DeleteL1RelayedHashAfterHeightDBTx(dbTx *sqlx.Tx, height int64) error
+	DeleteL2RelayedHashAfterHeightDBTx(dbTx *sqlx.Tx, height int64) error
+}
+
+type L2SentMsgOrm interface {
+	BatchInsertL2SentMsgDBTx(dbTx *sqlx.Tx, messages []*L2SentMsg) error
+	GetL2SentMsgByHash(l2Hash string) (*L2SentMsg, error)
+	GetLatestSentMsgHeightOnL2() (int64, error)
+	GetL2SentMessageByNonce(nonce uint64) (*L2SentMsg, error)
+	GetLatestL2SentMsgLEHeight(endBlockNumber uint64) (*L2SentMsg, error)
+	GetL2SentMsgMsgHashByHeightRange(startHeight, endHeight uint64) ([]*L2SentMsg, error)
+	UpdateL2MessageProofInDBTx(ctx context.Context, dbTx *sqlx.Tx, msgHash string, proof string, batch_index uint64) error
+	GetLatestL2SentMsgBatchIndex() (int64, error)
+	DeleteL2SentMsgAfterHeightDBTx(dbTx *sqlx.Tx, height int64) error
+}
+
+type RollupBatchOrm interface {
+	GetLatestRollupBatch() (*RollupBatch, error)
+	GetRollupBatchByIndex(index uint64) (*RollupBatch, error)
+	BatchInsertRollupBatchDBTx(dbTx *sqlx.Tx, messages []*RollupBatch) error
+}

bridge-history-api/db/orm/l1_cross_msg.go

@@ -0,0 +1,141 @@
+package orm
+
+import (
+	"context"
+	"database/sql"
+	"errors"
+	"time"
+
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/log"
+	"github.com/jmoiron/sqlx"
+)
+
+type l1CrossMsgOrm struct {
+	db *sqlx.DB
+}
+
+// NewL1CrossMsgOrm create an NewL1CrossMsgOrm instance
+func NewL1CrossMsgOrm(db *sqlx.DB) L1CrossMsgOrm {
+	return &l1CrossMsgOrm{db: db}
+}
+
+func (l *l1CrossMsgOrm) GetL1CrossMsgByHash(l1Hash common.Hash) (*CrossMsg, error) {
+	result := &CrossMsg{}
+	row := l.db.QueryRowx(`SELECT * FROM cross_message WHERE layer1_hash = $1 AND msg_type = $2 AND deleted_at IS NULL;`, l1Hash.String(), Layer1Msg)
+	if err := row.StructScan(result); err != nil {
+		if errors.Is(err, sql.ErrNoRows) {
+			return nil, nil
+		}
+		return nil, err
+	}
+	return result, nil
+}
+
+// GetL1CrossMsgsByAddress returns all layer1 cross messages under given address
+// Warning: return empty slice if no data found
+func (l *l1CrossMsgOrm) GetL1CrossMsgsByAddress(sender common.Address) ([]*CrossMsg, error) {
+	var results []*CrossMsg
+	rows, err := l.db.Queryx(`SELECT * FROM cross_message WHERE sender = $1 AND msg_type = 1 AND deleted_at IS NULL;`, sender.String(), Layer1Msg)
+
+	for rows.Next() {
+		msg := &CrossMsg{}
+		if err = rows.StructScan(msg); err != nil {
+			break
+		}
+		results = append(results, msg)
+	}
+	if len(results) == 0 && errors.Is(err, sql.ErrNoRows) {
+	} else if err != nil {
+		return nil, err
+	}
+	return results, nil
+}
+
+func (l *l1CrossMsgOrm) BatchInsertL1CrossMsgDBTx(dbTx *sqlx.Tx, messages []*CrossMsg) error {
+	if len(messages) == 0 {
+		return nil
+	}
+	var err error
+	messageMaps := make([]map[string]interface{}, len(messages))
+	for i, msg := range messages {
+		messageMaps[i] = map[string]interface{}{
+			"height":       msg.Height,
+			"sender":       msg.Sender,
+			"target":       msg.Target,
+			"amount":       msg.Amount,
+			"asset":        msg.Asset,
+			"msg_hash":     msg.MsgHash,
+			"layer1_hash":  msg.Layer1Hash,
+			"layer1_token": msg.Layer1Token,
+			"layer2_token": msg.Layer2Token,
+			"token_ids":    msg.TokenIDs,
+			"msg_type":     Layer1Msg,
+		}
+	}
+	_, err = dbTx.NamedExec(`insert into cross_message(height, sender, target, amount, asset, msg_hash, layer1_hash, layer1_token, layer2_token, token_ids, msg_type) values(:height, :sender, :target, :amount, :asset, :msg_hash, :layer1_hash, :layer1_token, :layer2_token, :token_ids, :msg_type);`, messageMaps)
+	if err != nil {
+		log.Error("BatchInsertL1CrossMsgDBTx: failed to insert l1 cross msgs", "err", err)
+		return err
+	}
+
+	return nil
+}
+
+// UpdateL1CrossMsgHashDBTx update l1 cross msg hash in db, no need to check msg_type since layer1_hash wont be empty if its layer1 msg
+func (l *l1CrossMsgOrm) UpdateL1CrossMsgHashDBTx(ctx context.Context, dbTx *sqlx.Tx, l1Hash, msgHash common.Hash) error {
+	if _, err := dbTx.ExecContext(ctx, l.db.Rebind("update public.cross_message set msg_hash = ? where layer1_hash = ? AND deleted_at IS NULL;"), msgHash.String(), l1Hash.String()); err != nil {
+		return err
+	}
+	return nil
+
+}
+
+func (l *l1CrossMsgOrm) UpdateL1CrossMsgHash(ctx context.Context, l1Hash, msgHash common.Hash) error {
+	if _, err := l.db.ExecContext(ctx, l.db.Rebind("update public.l1_cross_message set msg_hash = ? where layer1_hash = ? AND deleted_at IS NULL;"), msgHash.String(), l1Hash.String()); err != nil {
+		return err
+	}
+	return nil
+
+}
+
+func (l *l1CrossMsgOrm) GetLatestL1ProcessedHeight() (int64, error) {
+	row := l.db.QueryRowx(`SELECT height FROM cross_message WHERE msg_type = $1 AND deleted_at IS NULL ORDER BY id DESC LIMIT 1;`, Layer1Msg)
+	var result sql.NullInt64
+	if err := row.Scan(&result); err != nil {
+		if err == sql.ErrNoRows || !result.Valid {
+			return -1, nil
+		}
+		return 0, err
+	}
+	if result.Valid {
+		return result.Int64, nil
+	}
+	return 0, nil
+}
+
+func (l *l1CrossMsgOrm) DeleteL1CrossMsgAfterHeightDBTx(dbTx *sqlx.Tx, height int64) error {
+	if _, err := l.db.Exec(`UPDATE cross_message SET deleted_at = current_timestamp WHERE height > $1 AND msg_type = $2;`, height, Layer1Msg); err != nil {
+		return err
+	}
+	return nil
+}
+
+func (l *l1CrossMsgOrm) UpdateL1BlockTimestamp(height uint64, timestamp time.Time) error {
+	if _, err := l.db.Exec(`UPDATE cross_message SET block_timestamp = $1 where height = $2 AND msg_type = $3 AND deleted_at IS NULL`, timestamp, height, Layer1Msg); err != nil {
+		return err
+	}
+	return nil
+}
+
+func (l *l1CrossMsgOrm) GetL1EarliestNoBlockTimestampHeight() (uint64, error) {
+	row := l.db.QueryRowx(`SELECT height FROM cross_message WHERE block_timestamp IS NULL AND msg_type = $1 AND deleted_at IS NULL ORDER BY height ASC LIMIT 1;`, Layer1Msg)
+	var result uint64
+	if err := row.Scan(&result); err != nil {
+		if err == sql.ErrNoRows {
+			return 0, nil
+		}
+		return 0, err
+	}
+	return result, nil
+}

bridge-history-api/db/orm/l2_cross_msg.go

@@ -0,0 +1,142 @@
+package orm
+
+import (
+	"context"
+	"database/sql"
+	"errors"
+	"time"
+
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/log"
+	"github.com/jmoiron/sqlx"
+)
+
+type l2CrossMsgOrm struct {
+	db *sqlx.DB
+}
+
+// NewL2CrossMsgOrm create an NewL2CrossMsgOrm instance
+func NewL2CrossMsgOrm(db *sqlx.DB) L2CrossMsgOrm {
+	return &l2CrossMsgOrm{db: db}
+}
+
+func (l *l2CrossMsgOrm) GetL2CrossMsgByHash(l2Hash common.Hash) (*CrossMsg, error) {
+	result := &CrossMsg{}
+	row := l.db.QueryRowx(`SELECT * FROM cross_message WHERE layer2_hash = $1 AND deleted_at IS NULL;`, l2Hash.String())
+	if err := row.StructScan(result); err != nil {
+		if errors.Is(err, sql.ErrNoRows) {
+			return nil, nil
+		}
+		return nil, err
+	}
+	return result, nil
+}
+
+// GetL2CrossMsgByAddress returns all layer2 cross messages under given address
+// Warning: return empty slice if no data found
+func (l *l2CrossMsgOrm) GetL2CrossMsgByAddress(sender common.Address) ([]*CrossMsg, error) {
+	var results []*CrossMsg
+	rows, err := l.db.Queryx(`SELECT * FROM cross_message WHERE sender = $1 AND msg_type = $2 AND deleted_at IS NULL;`, sender.String(), Layer2Msg)
+
+	for rows.Next() {
+		msg := &CrossMsg{}
+		if err = rows.StructScan(msg); err != nil {
+			break
+		}
+		results = append(results, msg)
+	}
+	if len(results) == 0 && errors.Is(err, sql.ErrNoRows) {
+		// log.Warn("no unprocessed layer1 messages in db", "err", err)
+	} else if err != nil {
+		return nil, err
+	}
+	return results, nil
+
+}
+
+func (l *l2CrossMsgOrm) DeleteL2CrossMsgFromHeightDBTx(dbTx *sqlx.Tx, height int64) error {
+	_, err := dbTx.Exec(`UPDATE cross_message SET deleted_at = current_timestamp where height > $1 AND msg_type = $2 ;`, height, Layer2Msg)
+	if err != nil {
+		log.Error("DeleteL1CrossMsgAfterHeightDBTx: failed to delete", "height", height, "err", err)
+		return err
+	}
+	return nil
+}
+
+func (l *l2CrossMsgOrm) BatchInsertL2CrossMsgDBTx(dbTx *sqlx.Tx, messages []*CrossMsg) error {
+	if len(messages) == 0 {
+		return nil
+	}
+
+	var err error
+	messageMaps := make([]map[string]interface{}, len(messages))
+	for i, msg := range messages {
+		messageMaps[i] = map[string]interface{}{
+			"height":       msg.Height,
+			"sender":       msg.Sender,
+			"target":       msg.Target,
+			"asset":        msg.Asset,
+			"msg_hash":     msg.MsgHash,
+			"layer2_hash":  msg.Layer2Hash,
+			"layer1_token": msg.Layer1Token,
+			"layer2_token": msg.Layer2Token,
+			"token_ids":    msg.TokenIDs,
+			"amount":       msg.Amount,
+			"msg_type":     Layer2Msg,
+		}
+	}
+	_, err = dbTx.NamedExec(`insert into cross_message(height, sender, target, asset, msg_hash, layer2_hash, layer1_token, layer2_token, token_ids, amount, msg_type) values(:height, :sender, :target, :asset, :msg_hash, :layer2_hash, :layer1_token, :layer2_token, :token_ids, :amount, :msg_type);`, messageMaps)
+	if err != nil {
+		log.Error("BatchInsertL2CrossMsgDBTx: failed to insert l2 cross msgs", "err", err)
+		return err
+	}
+	return nil
+}
+
+func (l *l2CrossMsgOrm) UpdateL2CrossMsgHashDBTx(ctx context.Context, dbTx *sqlx.Tx, l2Hash, msgHash common.Hash) error {
+	if _, err := dbTx.ExecContext(ctx, l.db.Rebind("update cross_message set msg_hash = ? where layer2_hash = ? AND deleted_at IS NULL;"), msgHash.String(), l2Hash.String()); err != nil {
+		return err
+	}
+	return nil
+}
+
+func (l *l2CrossMsgOrm) UpdateL2CrossMsgHash(ctx context.Context, l2Hash, msgHash common.Hash) error {
+	if _, err := l.db.ExecContext(ctx, l.db.Rebind("update cross_message set msg_hash = ? where layer2_hash = ? AND deleted_at IS NULL;"), msgHash.String(), l2Hash.String()); err != nil {
+		return err
+	}
+	return nil
+}
+
+func (l *l2CrossMsgOrm) GetLatestL2ProcessedHeight() (int64, error) {
+	row := l.db.QueryRowx(`SELECT height FROM cross_message WHERE msg_type = $1 AND deleted_at IS NULL ORDER BY id DESC LIMIT 1;`, Layer2Msg)
+	var result sql.NullInt64
+	if err := row.Scan(&result); err != nil {
+		if err == sql.ErrNoRows || !result.Valid {
+			return -1, nil
+		}
+		return 0, err
+	}
+	if result.Valid {
+		return result.Int64, nil
+	}
+	return 0, nil
+}
+
+func (l *l2CrossMsgOrm) UpdateL2BlockTimestamp(height uint64, timestamp time.Time) error {
+	if _, err := l.db.Exec(`UPDATE cross_message SET block_timestamp = $1 where height = $2 AND msg_type = $3 AND deleted_at IS NULL`, timestamp, height, Layer2Msg); err != nil {
+		return err
+	}
+	return nil
+}
+
+func (l *l2CrossMsgOrm) GetL2EarliestNoBlockTimestampHeight() (uint64, error) {
+	row := l.db.QueryRowx(`SELECT height FROM cross_message WHERE block_timestamp IS NULL AND msg_type = $1 AND deleted_at IS NULL ORDER BY height ASC LIMIT 1;`, Layer2Msg)
+	var result uint64
+	if err := row.Scan(&result); err != nil {
+		if err == sql.ErrNoRows {
+			return 0, nil
+		}
+		return 0, err
+	}
+	return result, nil
+}

bridge-history-api/db/orm/l2_sent_msg.go

@@ -0,0 +1,151 @@
+package orm
+
+import (
+	"context"
+	"database/sql"
+	"time"
+
+	"github.com/ethereum/go-ethereum/log"
+	"github.com/jmoiron/sqlx"
+)
+
+type L2SentMsg struct {
+	ID             uint64     `json:"id" db:"id"`
+	OriginalSender string     `json:"original_sender" db:"original_sender"`
+	MsgHash        string     `json:"msg_hash" db:"msg_hash"`
+	Sender         string     `json:"sender" db:"sender"`
+	Target         string     `json:"target" db:"target"`
+	Value          string     `json:"value" db:"value"`
+	Height         uint64     `json:"height" db:"height"`
+	Nonce          uint64     `json:"nonce" db:"nonce"`
+	BatchIndex     uint64     `json:"batch_index" db:"batch_index"`
+	MsgProof       string     `json:"msg_proof" db:"msg_proof"`
+	MsgData        string     `json:"msg_data" db:"msg_data"`
+	CreatedAt      *time.Time `json:"created_at" db:"created_at"`
+	UpdatedAt      *time.Time `json:"updated_at" db:"updated_at"`
+	DeletedAt      *time.Time `json:"deleted_at" db:"deleted_at"`
+}
+
+type l2SentMsgOrm struct {
+	db *sqlx.DB
+}
+
+// NewL2SentMsgOrm create an NewRollupBatchOrm instance
+func NewL2SentMsgOrm(db *sqlx.DB) L2SentMsgOrm {
+	return &l2SentMsgOrm{db: db}
+}
+
+func (l *l2SentMsgOrm) GetL2SentMsgByHash(msgHash string) (*L2SentMsg, error) {
+	result := &L2SentMsg{}
+	row := l.db.QueryRowx(`SELECT * FROM l2_sent_msg WHERE msg_hash = $1 AND deleted_at IS NULL;`, msgHash)
+	if err := row.StructScan(result); err != nil {
+		return nil, err
+	}
+	return result, nil
+}
+
+func (l *l2SentMsgOrm) BatchInsertL2SentMsgDBTx(dbTx *sqlx.Tx, messages []*L2SentMsg) error {
+	if len(messages) == 0 {
+		return nil
+	}
+	var err error
+	messageMaps := make([]map[string]interface{}, len(messages))
+	for i, msg := range messages {
+		messageMaps[i] = map[string]interface{}{
+			"original_sender": msg.OriginalSender,
+			"sender":          msg.Sender,
+			"target":          msg.Target,
+			"value":           msg.Value,
+			"msg_hash":        msg.MsgHash,
+			"height":          msg.Height,
+			"nonce":           msg.Nonce,
+			"batch_index":     msg.BatchIndex,
+			"msg_proof":       msg.MsgProof,
+			"msg_data":        msg.MsgData,
+		}
+	}
+	_, err = dbTx.NamedExec(`insert into l2_sent_msg(original_sender, sender, target, value, msg_hash, height, nonce, batch_index, msg_proof, msg_data) values(:original_sender, :sender, :target, :value, :msg_hash, :height, :nonce, :batch_index, :msg_proof, :msg_data);`, messageMaps)
+	if err != nil {
+		log.Error("BatchInsertL2SentMsgDBTx: failed to insert l2 sent msgs", "err", err)
+		return err
+	}
+	return err
+}
+
+func (l *l2SentMsgOrm) GetLatestSentMsgHeightOnL2() (int64, error) {
+	row := l.db.QueryRow(`SELECT height FROM l2_sent_msg WHERE deleted_at IS NULL ORDER BY nonce DESC LIMIT 1;`)
+	var result sql.NullInt64
+	if err := row.Scan(&result); err != nil {
+		if err == sql.ErrNoRows || !result.Valid {
+			return -1, nil
+		}
+		return 0, err
+	}
+	if result.Valid {
+		return result.Int64, nil
+	}
+	return 0, nil
+}
+
+func (l *l2SentMsgOrm) UpdateL2MessageProofInDBTx(ctx context.Context, dbTx *sqlx.Tx, msgHash string, proof string, batch_index uint64) error {
+	if _, err := dbTx.ExecContext(ctx, l.db.Rebind("update l2_sent_msg set msg_proof = ?, batch_index = ? where msg_hash = ? AND deleted_at IS NULL;"), proof, batch_index, msgHash); err != nil {
+		return err
+	}
+	return nil
+}
+
+func (l *l2SentMsgOrm) GetLatestL2SentMsgBatchIndex() (int64, error) {
+	row := l.db.QueryRow(`SELECT batch_index FROM l2_sent_msg WHERE batch_index != 0 AND deleted_at IS NULL ORDER BY batch_index DESC LIMIT 1;`)
+	var result sql.NullInt64
+	if err := row.Scan(&result); err != nil {
+		if err == sql.ErrNoRows || !result.Valid {
+			return -1, nil
+		}
+		return -1, err
+	}
+	if result.Valid {
+		return result.Int64, nil
+	}
+	return -1, nil
+}
+
+func (l *l2SentMsgOrm) GetL2SentMsgMsgHashByHeightRange(startHeight, endHeight uint64) ([]*L2SentMsg, error) {
+	var results []*L2SentMsg
+	rows, err := l.db.Queryx(`SELECT * FROM l2_sent_msg WHERE height >= $1 AND height <= $2 AND deleted_at IS NULL ORDER BY nonce ASC;`, startHeight, endHeight)
+	if err != nil {
+		return nil, err
+	}
+	for rows.Next() {
+		msg := &L2SentMsg{}
+		if err = rows.StructScan(msg); err != nil {
+			break
+		}
+		results = append(results, msg)
+	}
+	return results, err
+}
+
+func (l *l2SentMsgOrm) GetL2SentMessageByNonce(nonce uint64) (*L2SentMsg, error) {
+	result := &L2SentMsg{}
+	row := l.db.QueryRowx(`SELECT * FROM l2_sent_msg WHERE nonce = $1 AND deleted_at IS NULL;`, nonce)
+	err := row.StructScan(result)
+	if err != nil {
+		return nil, err
+	}
+	return result, nil
+}
+
+func (l *l2SentMsgOrm) GetLatestL2SentMsgLEHeight(endBlockNumber uint64) (*L2SentMsg, error) {
+	result := &L2SentMsg{}
+	row := l.db.QueryRowx(`select * from l2_sent_msg where height <= $1 AND deleted_at IS NULL order by nonce desc limit 1`, endBlockNumber)
+	err := row.StructScan(result)
+	if err != nil {
+		return nil, err
+	}
+	return result, nil
+}
+
+func (l *l2SentMsgOrm) DeleteL2SentMsgAfterHeightDBTx(dbTx *sqlx.Tx, height int64) error {
+	_, err := dbTx.Exec(`UPDATE l2_sent_msg SET deleted_at = current_timestamp WHERE height > $1;`, height)
+	return err
+}

bridge-history-api/db/orm/relayed_msg.go

@@ -0,0 +1,99 @@
+package orm
+
+import (
+	"database/sql"
+	"errors"
+
+	"github.com/ethereum/go-ethereum/log"
+	"github.com/jmoiron/sqlx"
+)
+
+type RelayedMsg struct {
+	MsgHash    string `json:"msg_hash" db:"msg_hash"`
+	Height     uint64 `json:"height" db:"height"`
+	Layer1Hash string `json:"layer1_hash" db:"layer1_hash"`
+	Layer2Hash string `json:"layer2_hash" db:"layer2_hash"`
+}
+
+type relayedMsgOrm struct {
+	db *sqlx.DB
+}
+
+// NewRelayedMsgOrm create an NewRelayedMsgOrm instance
+func NewRelayedMsgOrm(db *sqlx.DB) RelayedMsgOrm {
+	return &relayedMsgOrm{db: db}
+}
+
+func (l *relayedMsgOrm) BatchInsertRelayedMsgDBTx(dbTx *sqlx.Tx, messages []*RelayedMsg) error {
+	if len(messages) == 0 {
+		return nil
+	}
+	var err error
+	messageMaps := make([]map[string]interface{}, len(messages))
+	for i, msg := range messages {
+		messageMaps[i] = map[string]interface{}{
+			"msg_hash":    msg.MsgHash,
+			"height":      msg.Height,
+			"layer1_hash": msg.Layer1Hash,
+			"layer2_hash": msg.Layer2Hash,
+		}
+	}
+	_, err = dbTx.NamedExec(`insert into relayed_msg(msg_hash, height, layer1_hash, layer2_hash) values(:msg_hash, :height, :layer1_hash, :layer2_hash);`, messageMaps)
+	if err != nil {
+		log.Error("BatchInsertRelayedMsgDBTx: failed to insert relayed msgs", "err", err)
+		return err
+	}
+	return nil
+}
+
+func (l *relayedMsgOrm) GetRelayedMsgByHash(msg_hash string) (*RelayedMsg, error) {
+	result := &RelayedMsg{}
+	row := l.db.QueryRowx(`SELECT msg_hash, height, layer1_hash, layer2_hash FROM relayed_msg WHERE msg_hash = $1 AND deleted_at IS NULL;`, msg_hash)
+	if err := row.StructScan(result); err != nil {
+		if errors.Is(err, sql.ErrNoRows) {
+			return nil, nil
+		}
+		return nil, err
+	}
+	return result, nil
+}
+
+func (l *relayedMsgOrm) GetLatestRelayedHeightOnL1() (int64, error) {
+	row := l.db.QueryRow(`SELECT height FROM relayed_msg WHERE layer1_hash != '' AND deleted_at IS NULL ORDER BY height DESC LIMIT 1;`)
+	var result sql.NullInt64
+	if err := row.Scan(&result); err != nil {
+		if err == sql.ErrNoRows || !result.Valid {
+			return -1, nil
+		}
+		return 0, err
+	}
+	if result.Valid {
+		return result.Int64, nil
+	}
+	return 0, nil
+}
+
+func (l *relayedMsgOrm) GetLatestRelayedHeightOnL2() (int64, error) {
+	row := l.db.QueryRow(`SELECT height FROM relayed_msg WHERE layer2_hash != '' AND deleted_at IS NULL ORDER BY height DESC LIMIT 1;`)
+	var result sql.NullInt64
+	if err := row.Scan(&result); err != nil {
+		if err == sql.ErrNoRows || !result.Valid {
+			return -1, nil
+		}
+		return 0, err
+	}
+	if result.Valid {
+		return result.Int64, nil
+	}
+	return 0, nil
+}
+
+func (l *relayedMsgOrm) DeleteL1RelayedHashAfterHeightDBTx(dbTx *sqlx.Tx, height int64) error {
+	_, err := dbTx.Exec(`UPDATE relayed_msg SET deleted_at = current_timestamp WHERE height > $1 AND layer1_hash != '';`, height)
+	return err
+}
+
+func (l *relayedMsgOrm) DeleteL2RelayedHashAfterHeightDBTx(dbTx *sqlx.Tx, height int64) error {
+	_, err := dbTx.Exec(`UPDATE relayed_msg SET deleted_at = current_timestamp WHERE height > $1 AND layer2_hash != '';`, height)
+	return err
+}

bridge-history-api/db/orm_factory.go

@@ -0,0 +1,97 @@
+package db
+
+import (
+	"database/sql"
+	"errors"
+
+	"github.com/jmoiron/sqlx"
+	_ "github.com/lib/pq" //nolint:golint
+
+	"bridge-history-api/config"
+	"bridge-history-api/db/orm"
+)
+
+// OrmFactory include all ormFactory interface
+type OrmFactory interface {
+	orm.L1CrossMsgOrm
+	orm.L2CrossMsgOrm
+	orm.RelayedMsgOrm
+	orm.L2SentMsgOrm
+	orm.RollupBatchOrm
+	GetTotalCrossMsgCountByAddress(sender string) (uint64, error)
+	GetCrossMsgsByAddressWithOffset(sender string, offset int64, limit int64) ([]*orm.CrossMsg, error)
+	GetDB() *sqlx.DB
+	Beginx() (*sqlx.Tx, error)
+	Close() error
+}
+
+type ormFactory struct {
+	orm.L1CrossMsgOrm
+	orm.L2CrossMsgOrm
+	orm.RelayedMsgOrm
+	orm.L2SentMsgOrm
+	orm.RollupBatchOrm
+	*sqlx.DB
+}
+
+// NewOrmFactory create an ormFactory factory include all ormFactory interface
+func NewOrmFactory(cfg *config.Config) (OrmFactory, error) {
+	// Initialize sql/sqlx
+	db, err := sqlx.Open(cfg.DB.DriverName, cfg.DB.DSN)
+	if err != nil {
+		return nil, err
+	}
+
+	db.SetMaxOpenConns(cfg.DB.MaxOpenNum)
+	db.SetMaxIdleConns(cfg.DB.MaxIdleNum)
+	if err = db.Ping(); err != nil {
+		return nil, err
+	}
+
+	return &ormFactory{
+		L1CrossMsgOrm:  orm.NewL1CrossMsgOrm(db),
+		L2CrossMsgOrm:  orm.NewL2CrossMsgOrm(db),
+		RelayedMsgOrm:  orm.NewRelayedMsgOrm(db),
+		L2SentMsgOrm:   orm.NewL2SentMsgOrm(db),
+		RollupBatchOrm: orm.NewRollupBatchOrm(db),
+		DB:             db,
+	}, nil
+}
+
+func (o *ormFactory) GetDB() *sqlx.DB {
+	return o.DB
+}
+
+func (o *ormFactory) Beginx() (*sqlx.Tx, error) {
+	return o.DB.Beginx()
+}
+
+func (o *ormFactory) GetTotalCrossMsgCountByAddress(sender string) (uint64, error) {
+	var count uint64
+	row := o.DB.QueryRowx(`SELECT COUNT(*) FROM cross_message WHERE sender = $1 AND deleted_at IS NULL;`, sender)
+	if err := row.Scan(&count); err != nil {
+		return 0, err
+	}
+	return count, nil
+}
+
+func (o *ormFactory) GetCrossMsgsByAddressWithOffset(sender string, offset int64, limit int64) ([]*orm.CrossMsg, error) {
+	para := sender
+	var results []*orm.CrossMsg
+	rows, err := o.DB.Queryx(`SELECT * FROM cross_message WHERE sender = $1 AND deleted_at IS NULL ORDER BY block_timestamp DESC NULLS FIRST, id DESC LIMIT $2 OFFSET $3;`, para, limit, offset)
+	if err != nil || rows == nil {
+		return nil, err
+	}
+	for rows.Next() {
+		msg := &orm.CrossMsg{}
+		if err = rows.StructScan(msg); err != nil {
+			break
+		}
+		results = append(results, msg)
+	}
+	if len(results) == 0 && errors.Is(err, sql.ErrNoRows) {
+	} else if err != nil {
+		return nil, err
+	}
+	return results, nil
+}

bridge-history-api/go.mod

@@ -0,0 +1,154 @@
+module bridge-history-api
+
+go 1.19
+
+require (
+	github.com/ethereum/go-ethereum v1.12.0
+	github.com/iris-contrib/middleware/cors v0.0.0-20230531125531-980d3a09a458
+	github.com/jmoiron/sqlx v1.3.5
+	github.com/kataras/iris/v12 v12.2.0
+	github.com/lib/pq v1.10.7
+	github.com/mattn/go-colorable v0.1.13
+	github.com/mattn/go-isatty v0.0.18
+	github.com/modern-go/reflect2 v1.0.2
+	github.com/pressly/goose/v3 v3.7.0
+	github.com/stretchr/testify v1.8.2
+	github.com/urfave/cli/v2 v2.17.2-0.20221006022127-8f469abc00aa
+)
+
+require (
+	github.com/BurntSushi/toml v1.2.1 // indirect
+	github.com/CloudyKit/fastprinter v0.0.0-20200109182630-33d98a066a53 // indirect
+	github.com/CloudyKit/jet/v6 v6.2.0 // indirect
+	github.com/DataDog/zstd v1.5.2 // indirect
+	github.com/Joker/jade v1.1.3 // indirect
+	github.com/Shopify/goreferrer v0.0.0-20220729165902-8cddb4f5de06 // indirect
+	github.com/VictoriaMetrics/fastcache v1.6.0 // indirect
+	github.com/andybalholm/brotli v1.0.5 // indirect
+	github.com/aymerick/douceur v0.2.0 // indirect
+	github.com/beorn7/perks v1.0.1 // indirect
+	github.com/bits-and-blooms/bitset v1.7.0 // indirect
+	github.com/blang/semver/v4 v4.0.0 // indirect
+	github.com/btcsuite/btcd v0.20.1-beta // indirect
+	github.com/btcsuite/btcd/btcec/v2 v2.3.2 // indirect
+	github.com/cespare/xxhash/v2 v2.2.0 // indirect
+	github.com/cockroachdb/errors v1.9.1 // indirect
+	github.com/cockroachdb/logtags v0.0.0-20230118201751-21c54148d20b // indirect
+	github.com/cockroachdb/pebble v0.0.0-20230209160836-829675f94811 // indirect
+	github.com/cockroachdb/redact v1.1.3 // indirect
+	github.com/consensys/bavard v0.1.13 // indirect
+	github.com/consensys/gnark-crypto v0.10.0 // indirect
+	github.com/cpuguy83/go-md2man/v2 v2.0.2 // indirect
+	github.com/crate-crypto/go-kzg-4844 v0.2.0 // indirect
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/deckarep/golang-set/v2 v2.1.0 // indirect
+	github.com/decred/dcrd/dcrec/secp256k1/v4 v4.2.0 // indirect
+	github.com/deepmap/oapi-codegen v1.8.2 // indirect
+	github.com/docker/docker v20.10.21+incompatible // indirect
+	github.com/eknkc/amber v0.0.0-20171010120322-cdade1c07385 // indirect
+	github.com/ethereum/c-kzg-4844 v0.2.0 // indirect
+	github.com/fatih/structs v1.1.0 // indirect
+	github.com/fjl/memsize v0.0.0-20190710130421-bcb5799ab5e5 // indirect
+	github.com/flosch/pongo2/v4 v4.0.2 // indirect
+	github.com/fsnotify/fsnotify v1.6.0 // indirect
+	github.com/gballet/go-libpcsclite v0.0.0-20190607065134-2772fd86a8ff // indirect
+	github.com/getsentry/sentry-go v0.18.0 // indirect
+	github.com/go-ole/go-ole v1.2.6 // indirect
+	github.com/go-sql-driver/mysql v1.7.0 // indirect
+	github.com/go-stack/stack v1.8.1 // indirect
+	github.com/gobwas/httphead v0.1.0 // indirect
+	github.com/gobwas/pool v0.2.1 // indirect
+	github.com/gobwas/ws v1.1.0 // indirect
+	github.com/gofrs/flock v0.8.1 // indirect
+	github.com/gogo/protobuf v1.3.2 // indirect
+	github.com/golang-jwt/jwt/v4 v4.5.0 // indirect
+	github.com/golang/protobuf v1.5.2 // indirect
+	github.com/golang/snappy v0.0.5-0.20220116011046-fa5810519dcb // indirect
+	github.com/google/uuid v1.3.0 // indirect
+	github.com/gorilla/css v1.0.0 // indirect
+	github.com/gorilla/websocket v1.5.0 // indirect
+	github.com/graph-gophers/graphql-go v1.3.0 // indirect
+	github.com/hashicorp/go-bexpr v0.1.10 // indirect
+	github.com/holiman/bloomfilter/v2 v2.0.3 // indirect
+	github.com/holiman/uint256 v1.2.2 // indirect
+	github.com/huin/goupnp v1.0.3 // indirect
+	github.com/influxdata/influxdb-client-go/v2 v2.4.0 // indirect
+	github.com/influxdata/influxdb1-client v0.0.0-20220302092344-a9ab5670611c // indirect
+	github.com/influxdata/line-protocol v0.0.0-20210311194329-9aa0e372d097 // indirect
+	github.com/iris-contrib/go.uuid v2.0.0+incompatible // indirect
+	github.com/iris-contrib/schema v0.0.6 // indirect
+	github.com/jackpal/go-nat-pmp v1.0.2 // indirect
+	github.com/josharian/intern v1.0.0 // indirect
+	github.com/kataras/blocks v0.0.7 // indirect
+	github.com/kataras/golog v0.1.8 // indirect
+	github.com/kataras/neffos v0.0.21 // indirect
+	github.com/kataras/pio v0.0.11 // indirect
+	github.com/kataras/sitemap v0.0.6 // indirect
+	github.com/kataras/tunnel v0.0.4 // indirect
+	github.com/klauspost/compress v1.16.0 // indirect
+	github.com/kr/pretty v0.3.1 // indirect
+	github.com/kr/text v0.2.0 // indirect
+	github.com/mailgun/raymond/v2 v2.0.48 // indirect
+	github.com/mailru/easyjson v0.7.7 // indirect
+	github.com/mattn/go-runewidth v0.0.14 // indirect
+	github.com/mattn/go-sqlite3 v1.14.14 // indirect
+	github.com/matttproud/golang_protobuf_extensions v1.0.4 // indirect
+	github.com/mediocregopher/radix/v3 v3.8.1 // indirect
+	github.com/microcosm-cc/bluemonday v1.0.23 // indirect
+	github.com/mitchellh/mapstructure v1.5.0 // indirect
+	github.com/mitchellh/pointerstructure v1.2.0 // indirect
+	github.com/mmcloughlin/addchain v0.4.0 // indirect
+	github.com/nats-io/nats.go v1.23.0 // indirect
+	github.com/nats-io/nkeys v0.3.0 // indirect
+	github.com/nats-io/nuid v1.0.1 // indirect
+	github.com/olekukonko/tablewriter v0.0.5 // indirect
+	github.com/onsi/ginkgo v1.16.5 // indirect
+	github.com/onsi/gomega v1.27.1 // indirect
+	github.com/opentracing/opentracing-go v1.1.0 // indirect
+	github.com/peterh/liner v1.1.1-0.20190123174540-a2c9a5303de7 // indirect
+	github.com/pkg/errors v0.9.1 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/prometheus/client_golang v1.14.0 // indirect
+	github.com/prometheus/client_model v0.3.0 // indirect
+	github.com/prometheus/common v0.39.0 // indirect
+	github.com/prometheus/procfs v0.9.0 // indirect
+	github.com/rivo/uniseg v0.4.4 // indirect
+	github.com/rogpeppe/go-internal v1.10.0 // indirect
+	github.com/rs/cors v1.7.0 // indirect
+	github.com/russross/blackfriday/v2 v2.1.0 // indirect
+	github.com/schollz/closestmatch v2.1.0+incompatible // indirect
+	github.com/sergi/go-diff v1.2.0 // indirect
+	github.com/shirou/gopsutil v3.21.11+incompatible // indirect
+	github.com/sirupsen/logrus v1.9.0 // indirect
+	github.com/status-im/keycard-go v0.2.0 // indirect
+	github.com/supranational/blst v0.3.11-0.20230406105308-e9dfc5ee724b // indirect
+	github.com/syndtr/goleveldb v1.0.1-0.20210819022825-2ae1ddf74ef7 // indirect
+	github.com/tdewolff/minify/v2 v2.12.4 // indirect
+	github.com/tdewolff/parse/v2 v2.6.4 // indirect
+	github.com/tklauser/go-sysconf v0.3.11 // indirect
+	github.com/tklauser/numcpus v0.6.0 // indirect
+	github.com/tyler-smith/go-bip39 v1.1.0 // indirect
+	github.com/valyala/bytebufferpool v1.0.0 // indirect
+	github.com/vmihailenco/msgpack/v5 v5.3.5 // indirect
+	github.com/vmihailenco/tagparser/v2 v2.0.0 // indirect
+	github.com/xrash/smetrics v0.0.0-20201216005158-039620a65673 // indirect
+	github.com/yosssi/ace v0.0.5 // indirect
+	github.com/yusufpapurcu/wmi v1.2.2 // indirect
+	golang.org/x/crypto v0.10.0 // indirect
+	golang.org/x/exp v0.0.0-20230206171751-46f607a40771 // indirect
+	golang.org/x/net v0.10.0 // indirect
+	golang.org/x/sync v0.1.0 // indirect
+	golang.org/x/sys v0.9.0 // indirect
+	golang.org/x/text v0.10.0 // indirect
+	golang.org/x/time v0.3.0 // indirect
+	golang.org/x/tools v0.8.0 // indirect
+	golang.org/x/xerrors v0.0.0-20220517211312-f3a8303e98df // indirect
+	google.golang.org/protobuf v1.29.0 // indirect
+	gopkg.in/ini.v1 v1.67.0 // indirect
+	gopkg.in/natefinch/lumberjack.v2 v2.0.0 // indirect
+	gopkg.in/natefinch/npipe.v2 v2.0.0-20160621034901-c1b8fa8bdcce // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+	rsc.io/tmplfunc v0.0.3 // indirect
+
+)

bridge-history-api/go.sum

@@ -0,0 +1,741 @@
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+modernc.org/libc v1.16.19 h1:S8flPn5ZeXx6iw/8yNa986hwTQDrY8RXU7tObZuAozo=
+modernc.org/mathutil v1.4.1 h1:ij3fYGe8zBF4Vu+g0oT7mB06r8sqGWKuJu1yXeR4by8=
+modernc.org/memory v1.1.1 h1:bDOL0DIDLQv7bWhP3gMvIrnoFw+Eo6F7a2QK9HPDiFU=
+modernc.org/opt v0.1.3 h1:3XOZf2yznlhC+ibLltsDGzABUGVx8J6pnFMS3E4dcq4=
+modernc.org/sqlite v1.18.1 h1:ko32eKt3jf7eqIkCgPAeHMBXw3riNSLhl2f3loEF7o8=
+modernc.org/strutil v1.1.2 h1:iFBDH6j1Z0bN/Q9udJnnFoFpENA4252qe/7/5woE5MI=
+modernc.org/token v1.0.0 h1:a0jaWiNMDhDUtqOj09wvjWWAqd3q7WpBulmL9H2egsk=
+moul.io/http2curl/v2 v2.3.0 h1:9r3JfDzWPcbIklMOs2TnIFzDYvfAZvjeavG6EzP7jYs=
+rsc.io/tmplfunc v0.0.3 h1:53XFQh69AfOa8Tw0Jm7t+GV7KZhOi6jzsCzTtKbMvzU=
+rsc.io/tmplfunc v0.0.3/go.mod h1:AG3sTPzElb1Io3Yg4voV9AGZJuleGAwaVRxL9M49PhA=

bridge-history-api/model/request.go

@@ -0,0 +1,11 @@
+package model
+
+type QueryByAddressRequest struct {
+	Address string `url:"address"`
+	Offset  int    `url:"offset"`
+	Limit   int    `url:"limit"`
+}
+
+type QueryByHashRequest struct {
+	Txs []string `url:"txs"`
+}

bridge-history-api/model/response.go

@@ -0,0 +1,18 @@
+package model
+
+import "bridge-history-api/service"
+
+type Data struct {
+	Result []*service.TxHistoryInfo `json:"result"`
+	Total  uint64                   `json:"total"`
+}
+
+type QueryByAddressResponse struct {
+	Message string `json:"message"`
+	Data    *Data  `json:"data"`
+}
+
+type QueryByHashResponse struct {
+	Message string `json:"message"`
+	Data    *Data  `json:"data"`
+}

bridge-history-api/service/service.go

@@ -0,0 +1,188 @@
+package service
+
+import (
+	"strconv"
+	"time"
+
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/log"
+
+	"bridge-history-api/db"
+	"bridge-history-api/db/orm"
+)
+
+type Finalized struct {
+	Hash           string     `json:"hash"`
+	Amount         string     `json:"amount"`
+	To             string     `json:"to"` // useless
+	IsL1           bool       `json:"isL1"`
+	BlockNumber    uint64     `json:"blockNumber"`
+	BlockTimestamp *time.Time `json:"blockTimestamp"` // uselesss
+}
+
+type UserClaimInfo struct {
+	From       string `json:"from"`
+	To         string `json:"to"`
+	Value      string `json:"value"`
+	Nonce      string `json:"nonce"`
+	BatchHash  string `json:"batch_hash"`
+	Message    string `json:"message"`
+	Proof      string `json:"proof"`
+	BatchIndex string `json:"batch_index"`
+}
+
+type TxHistoryInfo struct {
+	Hash           string         `json:"hash"`
+	Amount         string         `json:"amount"`
+	To             string         `json:"to"` // useless
+	IsL1           bool           `json:"isL1"`
+	BlockNumber    uint64         `json:"blockNumber"`
+	BlockTimestamp *time.Time     `json:"blockTimestamp"` // useless
+	FinalizeTx     *Finalized     `json:"finalizeTx"`
+	ClaimInfo      *UserClaimInfo `json:"claimInfo"`
+	CreatedAt      *time.Time     `json:"createdTime"`
+}
+
+// HistoryService example service.
+type HistoryService interface {
+	GetTxsByAddress(address common.Address, offset int64, limit int64) ([]*TxHistoryInfo, uint64, error)
+	GetTxsByHashes(hashes []string) ([]*TxHistoryInfo, error)
+}
+
+// NewHistoryService returns a service backed with a "db"
+func NewHistoryService(db db.OrmFactory) HistoryService {
+	service := &historyBackend{db: db, prefix: "Scroll-Bridge-History-Server"}
+	return service
+}
+
+type historyBackend struct {
+	prefix string
+	db     db.OrmFactory
+}
+
+func GetCrossTxClaimInfo(msgHash string, db db.OrmFactory) *UserClaimInfo {
+	l2sentMsg, err := db.GetL2SentMsgByHash(msgHash)
+	if err != nil {
+		log.Debug("GetCrossTxClaimInfo failed", "error", err)
+		return &UserClaimInfo{}
+	}
+	batch, err := db.GetRollupBatchByIndex(l2sentMsg.BatchIndex)
+	if err != nil {
+		log.Debug("GetCrossTxClaimInfo failed", "error", err)
+		return &UserClaimInfo{}
+	}
+	return &UserClaimInfo{
+		From:       l2sentMsg.Sender,
+		To:         l2sentMsg.Target,
+		Value:      l2sentMsg.Value,
+		Nonce:      strconv.FormatUint(l2sentMsg.Nonce, 10),
+		Message:    l2sentMsg.MsgData,
+		Proof:      "0x" + l2sentMsg.MsgProof,
+		BatchHash:  batch.BatchHash,
+		BatchIndex: strconv.FormatUint(l2sentMsg.BatchIndex, 10),
+	}
+
+}
+
+func updateCrossTxHash(msgHash string, txInfo *TxHistoryInfo, db db.OrmFactory) {
+	relayed, err := db.GetRelayedMsgByHash(msgHash)
+	if err != nil {
+		log.Error("updateCrossTxHash failed", "error", err)
+		return
+	}
+	if relayed == nil {
+		return
+	}
+	if relayed.Layer1Hash != "" {
+		txInfo.FinalizeTx.Hash = relayed.Layer1Hash
+		txInfo.FinalizeTx.BlockNumber = relayed.Height
+		return
+	}
+	if relayed.Layer2Hash != "" {
+		txInfo.FinalizeTx.Hash = relayed.Layer2Hash
+		txInfo.FinalizeTx.BlockNumber = relayed.Height
+		return
+	}
+
+}
+
+func (h *historyBackend) GetTxsByAddress(address common.Address, offset int64, limit int64) ([]*TxHistoryInfo, uint64, error) {
+	var txHistories []*TxHistoryInfo
+	total, err := h.db.GetTotalCrossMsgCountByAddress(address.String())
+	if err != nil || total == 0 {
+		return txHistories, 0, err
+	}
+	result, err := h.db.GetCrossMsgsByAddressWithOffset(address.String(), offset, limit)
+
+	if err != nil {
+		return nil, 0, err
+	}
+	for _, msg := range result {
+		txHistory := &TxHistoryInfo{
+			Hash:           msg.Layer1Hash + msg.Layer2Hash,
+			Amount:         msg.Amount,
+			To:             msg.Target,
+			IsL1:           msg.MsgType == int(orm.Layer1Msg),
+			BlockNumber:    msg.Height,
+			BlockTimestamp: msg.Timestamp,
+			CreatedAt:      msg.CreatedAt,
+			FinalizeTx: &Finalized{
+				Hash: "",
+			},
+			ClaimInfo: GetCrossTxClaimInfo(msg.MsgHash, h.db),
+		}
+		updateCrossTxHash(msg.MsgHash, txHistory, h.db)
+		txHistories = append(txHistories, txHistory)
+	}
+	return txHistories, total, nil
+}
+
+func (h *historyBackend) GetTxsByHashes(hashes []string) ([]*TxHistoryInfo, error) {
+	txHistories := make([]*TxHistoryInfo, 0)
+	for _, hash := range hashes {
+		l1result, err := h.db.GetL1CrossMsgByHash(common.HexToHash(hash))
+		if err != nil {
+			return nil, err
+		}
+		if l1result != nil {
+			txHistory := &TxHistoryInfo{
+				Hash:           l1result.Layer1Hash,
+				Amount:         l1result.Amount,
+				To:             l1result.Target,
+				IsL1:           true,
+				BlockNumber:    l1result.Height,
+				BlockTimestamp: l1result.Timestamp,
+				CreatedAt:      l1result.CreatedAt,
+				FinalizeTx: &Finalized{
+					Hash: "",
+				},
+			}
+			updateCrossTxHash(l1result.MsgHash, txHistory, h.db)
+			txHistories = append(txHistories, txHistory)
+			continue
+		}
+		l2result, err := h.db.GetL2CrossMsgByHash(common.HexToHash(hash))
+		if err != nil {
+			return nil, err
+		}
+		if l2result != nil {
+			txHistory := &TxHistoryInfo{
+				Hash:           l2result.Layer2Hash,
+				Amount:         l2result.Amount,
+				To:             l2result.Target,
+				IsL1:           false,
+				BlockNumber:    l2result.Height,
+				BlockTimestamp: l2result.Timestamp,
+				CreatedAt:      l2result.CreatedAt,
+				FinalizeTx: &Finalized{
+					Hash: "",
+				},
+				ClaimInfo: GetCrossTxClaimInfo(l2result.MsgHash, h.db),
+			}
+			updateCrossTxHash(l2result.MsgHash, txHistory, h.db)
+			txHistories = append(txHistories, txHistory)
+			continue
+		}
+	}
+	return txHistories, nil
+}

bridge-history-api/utils/flags.go

@@ -0,0 +1,69 @@
+package utils
+
+import (
+	"github.com/urfave/cli/v2"
+)
+
+var (
+	// CommonFlags is used for app common flags in different modules
+	CommonFlags = []cli.Flag{
+		&ConfigFileFlag,
+		&VerbosityFlag,
+		&LogFileFlag,
+		&LogJSONFormat,
+		&LogDebugFlag,
+		&MetricsEnabled,
+		&MetricsAddr,
+		&MetricsPort,
+	}
+	// ConfigFileFlag load json type config file.
+	ConfigFileFlag = cli.StringFlag{
+		Name:  "config",
+		Usage: "JSON configuration file",
+		Value: "./config.json",
+	}
+	// VerbosityFlag log level.
+	VerbosityFlag = cli.IntFlag{
+		Name:  "verbosity",
+		Usage: "Logging verbosity: 0=silent, 1=error, 2=warn, 3=info, 4=debug, 5=detail",
+		Value: 3,
+	}
+	// LogFileFlag decides where the logger output is sent. If this flag is left
+	// empty, it will log to stdout.
+	LogFileFlag = cli.StringFlag{
+		Name:  "log.file",
+		Usage: "Tells the module where to write log entries",
+	}
+	// LogJSONFormat decides the log format is json or not
+	LogJSONFormat = cli.BoolFlag{
+		Name:  "log.json",
+		Usage: "Tells the module whether log format is json or not",
+		Value: true,
+	}
+	// LogDebugFlag make log messages with call-site location
+	LogDebugFlag = cli.BoolFlag{
+		Name:  "log.debug",
+		Usage: "Prepends log messages with call-site location (file and line number)",
+	}
+	// MetricsEnabled enable metrics collection and reporting
+	MetricsEnabled = cli.BoolFlag{
+		Name:     "metrics",
+		Usage:    "Enable metrics collection and reporting",
+		Category: "METRICS",
+		Value:    false,
+	}
+	// MetricsAddr is listening address of Metrics reporting server
+	MetricsAddr = cli.StringFlag{
+		Name:     "metrics.addr",
+		Usage:    "Metrics reporting server listening address",
+		Category: "METRICS",
+		Value:    "127.0.0.1",
+	}
+	// MetricsPort is listening port of Metrics reporting server
+	MetricsPort = cli.IntFlag{
+		Name:     "metrics.port",
+		Usage:    "Metrics reporting server listening port",
+		Category: "METRICS",
+		Value:    6060,
+	}
+)

bridge-history-api/utils/logger.go

@@ -0,0 +1,43 @@
+package utils
+
+import (
+	"io"
+	"os"
+	"path/filepath"
+
+	"github.com/ethereum/go-ethereum/cmd/utils"
+	"github.com/ethereum/go-ethereum/log"
+	"github.com/mattn/go-colorable"
+	"github.com/mattn/go-isatty"
+	"github.com/urfave/cli/v2"
+)
+
+// LogSetup is for setup logger
+func LogSetup(ctx *cli.Context) error {
+	var ostream log.Handler
+	if logFile := ctx.String(LogFileFlag.Name); len(logFile) > 0 {
+		fp, err := os.OpenFile(filepath.Clean(logFile), os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0600)
+		if err != nil {
+			utils.Fatalf("Failed to open log file", "err", err)
+		}
+		if ctx.Bool(LogJSONFormat.Name) {
+			ostream = log.StreamHandler(io.Writer(fp), log.JSONFormat())
+		} else {
+			ostream = log.StreamHandler(io.Writer(fp), log.TerminalFormat(true))
+		}
+	} else {
+		output := io.Writer(os.Stderr)
+		usecolor := (isatty.IsTerminal(os.Stderr.Fd()) || isatty.IsCygwinTerminal(os.Stderr.Fd())) && os.Getenv("TERM") != "dumb"
+		if usecolor {
+			output = colorable.NewColorableStderr()
+		}
+		ostream = log.StreamHandler(output, log.TerminalFormat(usecolor))
+	}
+	// show the call file and line number
+	log.PrintOrigins(ctx.Bool(LogDebugFlag.Name))
+	glogger := log.NewGlogHandler(ostream)
+	// Set log level
+	glogger.Verbosity(log.Lvl(ctx.Int(VerbosityFlag.Name)))
+	log.Root().SetHandler(glogger)
+	return nil
+}

bridge-history-api/utils/parse_event.go

@@ -0,0 +1,305 @@
+package utils
+
+import (
+	"context"
+
+	"github.com/ethereum/go-ethereum/common/hexutil"
+	"github.com/ethereum/go-ethereum/core/types"
+	"github.com/ethereum/go-ethereum/ethclient"
+	"github.com/ethereum/go-ethereum/log"
+
+	backendabi "bridge-history-api/abi"
+	"bridge-history-api/db/orm"
+)
+
+type CachedParsedTxCalldata struct {
+	CallDataIndex uint64
+	BatchIndices  []uint64
+	StartBlocks   []uint64
+	EndBlocks     []uint64
+}
+
+func ParseBackendL1EventLogs(logs []types.Log) ([]*orm.CrossMsg, []*orm.RelayedMsg, error) {
+	// Need use contract abi to parse event Log
+	// Can only be tested after we have our contracts set up
+
+	var l1CrossMsg []*orm.CrossMsg
+	var relayedMsgs []*orm.RelayedMsg
+	var msgHash string
+	for _, vlog := range logs {
+		switch vlog.Topics[0] {
+		case backendabi.L1DepositETHSig:
+			event := backendabi.DepositETH{}
+			err := UnpackLog(backendabi.L1ETHGatewayABI, &event, "DepositETH", vlog)
+			if err != nil {
+				log.Warn("Failed to unpack DepositETH event", "err", err)
+				return l1CrossMsg, relayedMsgs, err
+			}
+			l1CrossMsg = append(l1CrossMsg, &orm.CrossMsg{
+				Height:     vlog.BlockNumber,
+				Sender:     event.From.String(),
+				Target:     event.To.String(),
+				Amount:     event.Amount.String(),
+				Asset:      int(orm.ETH),
+				Layer1Hash: vlog.TxHash.Hex(),
+				MsgHash:    msgHash,
+			})
+		case backendabi.L1DepositERC20Sig:
+			event := backendabi.ERC20MessageEvent{}
+			err := UnpackLog(backendabi.L1StandardERC20GatewayABI, &event, "DepositERC20", vlog)
+			if err != nil {
+				log.Warn("Failed to unpack DepositERC20 event", "err", err)
+				return l1CrossMsg, relayedMsgs, err
+			}
+			l1CrossMsg = append(l1CrossMsg, &orm.CrossMsg{
+				Height:      vlog.BlockNumber,
+				Sender:      event.From.String(),
+				Target:      event.To.String(),
+				Amount:      event.Amount.String(),
+				Asset:       int(orm.ERC20),
+				Layer1Hash:  vlog.TxHash.Hex(),
+				Layer1Token: event.L1Token.Hex(),
+				Layer2Token: event.L2Token.Hex(),
+				MsgHash:     msgHash,
+			})
+		case backendabi.L1DepositERC721Sig:
+			event := backendabi.ERC721MessageEvent{}
+			err := UnpackLog(backendabi.L1ERC721GatewayABI, &event, "DepositERC721", vlog)
+			if err != nil {
+				log.Warn("Failed to unpack DepositERC721 event", "err", err)
+				return l1CrossMsg, relayedMsgs, err
+			}
+			l1CrossMsg = append(l1CrossMsg, &orm.CrossMsg{
+				Height:      vlog.BlockNumber,
+				Sender:      event.From.String(),
+				Target:      event.To.String(),
+				Asset:       int(orm.ERC721),
+				Layer1Hash:  vlog.TxHash.Hex(),
+				Layer1Token: event.L1Token.Hex(),
+				Layer2Token: event.L2Token.Hex(),
+				TokenIDs:    event.TokenID.String(),
+				MsgHash:     msgHash,
+			})
+		case backendabi.L1DepositERC1155Sig:
+			event := backendabi.ERC1155MessageEvent{}
+			err := UnpackLog(backendabi.L1ERC1155GatewayABI, &event, "DepositERC1155", vlog)
+			if err != nil {
+				log.Warn("Failed to unpack DepositERC1155 event", "err", err)
+				return l1CrossMsg, relayedMsgs, err
+			}
+			l1CrossMsg = append(l1CrossMsg, &orm.CrossMsg{
+				Height:      vlog.BlockNumber,
+				Sender:      event.From.String(),
+				Target:      event.To.String(),
+				Asset:       int(orm.ERC1155),
+				Layer1Hash:  vlog.TxHash.Hex(),
+				Layer1Token: event.L1Token.Hex(),
+				Layer2Token: event.L2Token.Hex(),
+				TokenIDs:    event.TokenID.String(),
+				Amount:      event.Amount.String(),
+				MsgHash:     msgHash,
+			})
+		case backendabi.L1SentMessageEventSignature:
+			event := backendabi.L1SentMessageEvent{}
+			err := UnpackLog(backendabi.L1ScrollMessengerABI, &event, "SentMessage", vlog)
+			if err != nil {
+				log.Warn("Failed to unpack SentMessage event", "err", err)
+				return l1CrossMsg, relayedMsgs, err
+			}
+			// since every deposit event will emit after a sent event, so can use this msg_hash as next withdraw event's msg_hash
+			msgHash = ComputeMessageHash(event.Sender, event.Target, event.Value, event.MessageNonce, event.Message).Hex()
+
+		case backendabi.L1RelayedMessageEventSignature:
+			event := backendabi.L1RelayedMessageEvent{}
+			err := UnpackLog(backendabi.L1ScrollMessengerABI, &event, "RelayedMessage", vlog)
+			if err != nil {
+				log.Warn("Failed to unpack RelayedMessage event", "err", err)
+				return l1CrossMsg, relayedMsgs, err
+			}
+			relayedMsgs = append(relayedMsgs, &orm.RelayedMsg{
+				MsgHash:    event.MessageHash.String(),
+				Height:     vlog.BlockNumber,
+				Layer1Hash: vlog.TxHash.Hex(),
+			})
+
+		}
+
+	}
+	return l1CrossMsg, relayedMsgs, nil
+}
+
+func ParseBackendL2EventLogs(logs []types.Log) ([]*orm.CrossMsg, []*orm.RelayedMsg, []*orm.L2SentMsg, error) {
+	// Need use contract abi to parse event Log
+	// Can only be tested after we have our contracts set up
+
+	var l2CrossMsg []*orm.CrossMsg
+	// this is use to confirm finalized l1 msg
+	var relayedMsgs []*orm.RelayedMsg
+	var l2SentMsgs []*orm.L2SentMsg
+	for _, vlog := range logs {
+		switch vlog.Topics[0] {
+		case backendabi.L2WithdrawETHSig:
+			event := backendabi.DepositETH{}
+			err := UnpackLog(backendabi.L2ETHGatewayABI, &event, "WithdrawETH", vlog)
+			if err != nil {
+				log.Warn("Failed to unpack WithdrawETH event", "err", err)
+				return l2CrossMsg, relayedMsgs, l2SentMsgs, err
+			}
+			l2SentMsgs[len(l2SentMsgs)-1].OriginalSender = event.From.Hex()
+			l2CrossMsg = append(l2CrossMsg, &orm.CrossMsg{
+				Height:     vlog.BlockNumber,
+				Sender:     event.From.String(),
+				Target:     event.To.String(),
+				Amount:     event.Amount.String(),
+				Asset:      int(orm.ETH),
+				Layer2Hash: vlog.TxHash.Hex(),
+				MsgHash:    l2SentMsgs[len(l2SentMsgs)-1].MsgHash,
+			})
+		case backendabi.L2WithdrawERC20Sig:
+			event := backendabi.ERC20MessageEvent{}
+			err := UnpackLog(backendabi.L2StandardERC20GatewayABI, &event, "WithdrawERC20", vlog)
+			if err != nil {
+				log.Warn("Failed to unpack WithdrawERC20 event", "err", err)
+				return l2CrossMsg, relayedMsgs, l2SentMsgs, err
+			}
+			l2SentMsgs[len(l2SentMsgs)-1].OriginalSender = event.From.Hex()
+			l2CrossMsg = append(l2CrossMsg, &orm.CrossMsg{
+				Height:      vlog.BlockNumber,
+				Sender:      event.From.String(),
+				Target:      event.To.String(),
+				Amount:      event.Amount.String(),
+				Asset:       int(orm.ERC20),
+				Layer2Hash:  vlog.TxHash.Hex(),
+				Layer1Token: event.L1Token.Hex(),
+				Layer2Token: event.L2Token.Hex(),
+			})
+		case backendabi.L2WithdrawERC721Sig:
+			event := backendabi.ERC721MessageEvent{}
+			err := UnpackLog(backendabi.L2ERC721GatewayABI, &event, "WithdrawERC721", vlog)
+			if err != nil {
+				log.Warn("Failed to unpack WithdrawERC721 event", "err", err)
+				return l2CrossMsg, relayedMsgs, l2SentMsgs, err
+			}
+			l2SentMsgs[len(l2SentMsgs)-1].OriginalSender = event.From.Hex()
+			l2CrossMsg = append(l2CrossMsg, &orm.CrossMsg{
+				Height:      vlog.BlockNumber,
+				Sender:      event.From.String(),
+				Target:      event.To.String(),
+				Asset:       int(orm.ERC721),
+				Layer2Hash:  vlog.TxHash.Hex(),
+				Layer1Token: event.L1Token.Hex(),
+				Layer2Token: event.L2Token.Hex(),
+				TokenIDs:    event.TokenID.String(),
+			})
+		case backendabi.L2WithdrawERC1155Sig:
+			event := backendabi.ERC1155MessageEvent{}
+			err := UnpackLog(backendabi.L2ERC1155GatewayABI, &event, "WithdrawERC1155", vlog)
+			if err != nil {
+				log.Warn("Failed to unpack WithdrawERC1155 event", "err", err)
+				return l2CrossMsg, relayedMsgs, l2SentMsgs, err
+			}
+			l2SentMsgs[len(l2SentMsgs)-1].OriginalSender = event.From.Hex()
+			l2CrossMsg = append(l2CrossMsg, &orm.CrossMsg{
+				Height:      vlog.BlockNumber,
+				Sender:      event.From.String(),
+				Target:      event.To.String(),
+				Asset:       int(orm.ERC1155),
+				Layer2Hash:  vlog.TxHash.Hex(),
+				Layer1Token: event.L1Token.Hex(),
+				Layer2Token: event.L2Token.Hex(),
+				TokenIDs:    event.TokenID.String(),
+				Amount:      event.Amount.String(),
+			})
+		case backendabi.L2SentMessageEventSignature:
+			event := backendabi.L2SentMessageEvent{}
+			err := UnpackLog(backendabi.L2ScrollMessengerABI, &event, "SentMessage", vlog)
+			if err != nil {
+				log.Warn("Failed to unpack SentMessage event", "err", err)
+				return l2CrossMsg, relayedMsgs, l2SentMsgs, err
+			}
+			// since every withdraw event will emit after a sent event, so can use this msg_hash as next withdraw event's msg_hash
+			msgHash := ComputeMessageHash(event.Sender, event.Target, event.Value, event.MessageNonce, event.Message)
+			l2SentMsgs = append(l2SentMsgs,
+				&orm.L2SentMsg{
+					Sender:  event.Sender.Hex(),
+					Target:  event.Target.Hex(),
+					Value:   event.Value.String(),
+					MsgHash: msgHash.Hex(),
+					Height:  vlog.BlockNumber,
+					Nonce:   event.MessageNonce.Uint64(),
+					MsgData: hexutil.Encode(event.Message),
+				})
+		case backendabi.L2RelayedMessageEventSignature:
+			event := backendabi.L2RelayedMessageEvent{}
+			err := UnpackLog(backendabi.L2ScrollMessengerABI, &event, "RelayedMessage", vlog)
+			if err != nil {
+				log.Warn("Failed to unpack RelayedMessage event", "err", err)
+				return l2CrossMsg, relayedMsgs, l2SentMsgs, err
+			}
+			relayedMsgs = append(relayedMsgs, &orm.RelayedMsg{
+				MsgHash:    event.MessageHash.String(),
+				Height:     vlog.BlockNumber,
+				Layer2Hash: vlog.TxHash.Hex(),
+			})
+
+		}
+	}
+	return l2CrossMsg, relayedMsgs, l2SentMsgs, nil
+}
+
+func ParseBatchInfoFromScrollChain(ctx context.Context, client *ethclient.Client, logs []types.Log) ([]*orm.RollupBatch, error) {
+	var rollupBatches []*orm.RollupBatch
+	cache := make(map[string]CachedParsedTxCalldata)
+	for _, vlog := range logs {
+		switch vlog.Topics[0] {
+		case backendabi.L1CommitBatchEventSignature:
+			event := backendabi.L1CommitBatchEvent{}
+			err := UnpackLog(backendabi.ScrollChainABI, &event, "CommitBatch", vlog)
+			if err != nil {
+				log.Warn("Failed to unpack CommitBatch event", "err", err)
+				return rollupBatches, err
+			}
+			if _, ok := cache[vlog.TxHash.Hex()]; ok {
+				c := cache[vlog.TxHash.Hex()]
+				c.CallDataIndex++
+				rollupBatches = append(rollupBatches, &orm.RollupBatch{
+					CommitHeight:     vlog.BlockNumber,
+					BatchIndex:       c.BatchIndices[c.CallDataIndex],
+					BatchHash:        event.BatchHash.Hex(),
+					StartBlockNumber: c.StartBlocks[c.CallDataIndex],
+					EndBlockNumber:   c.EndBlocks[c.CallDataIndex],
+				})
+				cache[vlog.TxHash.Hex()] = c
+				continue
+			}
+
+			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 rollupBatches, err
+			}
+			indices, startBlocks, endBlocks, err := GetBatchRangeFromCalldataV1(commitTx.Data())
+			if err != nil {
+				log.Warn("Failed to get batch range from calldata", "hash", commitTx.Hash().Hex(), "height", vlog.BlockNumber)
+				return rollupBatches, err
+			}
+			cache[vlog.TxHash.Hex()] = CachedParsedTxCalldata{
+				CallDataIndex: 0,
+				BatchIndices:  indices,
+				StartBlocks:   startBlocks,
+				EndBlocks:     endBlocks,
+			}
+			rollupBatches = append(rollupBatches, &orm.RollupBatch{
+				CommitHeight:     vlog.BlockNumber,
+				BatchIndex:       indices[0],
+				BatchHash:        event.BatchHash.Hex(),
+				StartBlockNumber: startBlocks[0],
+				EndBlockNumber:   endBlocks[0],
+			})
+
+		default:
+			continue
+		}
+	}
+	return rollupBatches, nil
+}

bridge-history-api/utils/utils.go

@@ -0,0 +1,156 @@
+package utils
+
+import (
+	"bytes"
+	"context"
+	"encoding/binary"
+	"errors"
+	"fmt"
+	"math/big"
+
+	"github.com/ethereum/go-ethereum/accounts/abi"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/core/types"
+	"github.com/ethereum/go-ethereum/crypto"
+	"github.com/ethereum/go-ethereum/ethclient"
+
+	backendabi "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()[:]...)))
+}
+
+func GetSafeBlockNumber(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.L2ScrollMessengerABI.Pack("relayMessage", sender, target, value, messageNonce, message)
+	return common.BytesToHash(crypto.Keccak256(data))
+}
+
+type commitBatchArgs struct {
+	Version                uint8
+	ParentBatchHeader      []byte
+	Chunks                 [][]byte
+	SkippedL1MessageBitmap []byte
+}
+
+// GetBatchRangeFromCalldataV2 find the block range from calldata, both inclusive.
+func GetBatchRangeFromCalldataV2(calldata []byte) (uint64, uint64, uint64, error) {
+	method := backendabi.ScrollChainV2ABI.Methods["commitBatch"]
+	values, err := method.Inputs.Unpack(calldata[4:])
+	if err != nil {
+		return 0, 0, 0, err
+	}
+	args := commitBatchArgs{}
+	err = method.Inputs.Copy(&args, values)
+	if err != nil {
+		return 0, 0, 0, err
+	}
+
+	var startBlock uint64
+	var finishBlock uint64
+
+	// decode batchIndex from ParentBatchHeader
+	if len(args.ParentBatchHeader) < 9 {
+		return 0, 0, 0, errors.New("invalid parent batch header")
+	}
+	batchIndex := binary.BigEndian.Uint64(args.ParentBatchHeader[1:9]) + 1
+
+	// 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, 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 batchIndex, startBlock, finishBlock, err
+}
+
+// GetBatchRangeFromCalldataV1 find the block range from calldata, both inclusive.
+func GetBatchRangeFromCalldataV1(calldata []byte) ([]uint64, []uint64, []uint64, error) {
+	var batchIndices []uint64
+	var startBlocks []uint64
+	var finishBlocks []uint64
+	if bytes.Equal(calldata[0:4], common.Hex2Bytes("cb905499")) {
+		// commitBatches
+		method := backendabi.ScrollChainABI.Methods["commitBatches"]
+		values, err := method.Inputs.Unpack(calldata[4:])
+		if err != nil {
+			return batchIndices, startBlocks, finishBlocks, err
+		}
+		args := make([]backendabi.IScrollChainBatch, len(values))
+		err = method.Inputs.Copy(&args, values)
+		if err != nil {
+			return batchIndices, startBlocks, finishBlocks, err
+		}
+
+		for i := 0; i < len(args); i++ {
+			batchIndices = append(batchIndices, args[i].BatchIndex)
+			startBlocks = append(startBlocks, args[i].Blocks[0].BlockNumber)
+			finishBlocks = append(finishBlocks, args[i].Blocks[len(args[i].Blocks)-1].BlockNumber)
+		}
+	} else if bytes.Equal(calldata[0:4], common.Hex2Bytes("8c73235d")) {
+		// commitBatch
+		method := backendabi.ScrollChainABI.Methods["commitBatch"]
+		values, err := method.Inputs.Unpack(calldata[4:])
+		if err != nil {
+			return batchIndices, startBlocks, finishBlocks, err
+		}
+
+		args := backendabi.IScrollChainBatch{}
+		err = method.Inputs.Copy(&args, values)
+		if err != nil {
+			return batchIndices, startBlocks, finishBlocks, err
+		}
+		batchIndices = append(batchIndices, args.BatchIndex)
+		startBlocks = append(startBlocks, args.Blocks[0].BlockNumber)
+		finishBlocks = append(finishBlocks, args.Blocks[len(args.Blocks)-1].BlockNumber)
+	} else {
+		return batchIndices, startBlocks, finishBlocks, errors.New("invalid selector")
+	}
+	return batchIndices, startBlocks, finishBlocks, nil
+}

bridge-history-api/utils/utils_test.go

@@ -0,0 +1,64 @@
+package utils_test
+
+import (
+	"os"
+	"testing"
+
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/stretchr/testify/assert"
+
+	"bridge-history-api/utils"
+)
+
+func TestKeccak2(t *testing.T) {
+	a := common.HexToHash("0xe90b7bceb6e7df5418fb78d8ee546e97c83a08bbccc01a0644d599ccd2a7c2e0")
+	b := common.HexToHash("0x222ff5e0b5877792c2bc1670e2ccd0c2c97cd7bb1672a57d598db05092d3d72c")
+	c := utils.Keccak2(a, b)
+	assert.NotEmpty(t, c)
+	assert.NotEqual(t, a, c)
+	assert.NotEqual(t, b, c)
+	assert.Equal(t, "0xc0ffbd7f501bd3d49721b0724b2bff657cb2378f15d5a9b97cd7ea5bf630d512", c.Hex())
+}
+
+func TestGetBatchRangeFromCalldataV2(t *testing.T) {
+	// single chunk
+	batchIndex, start, finish, err := utils.GetBatchRangeFromCalldataV2(common.Hex2Bytes("1325aca000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001a0000000000000000000000000000000000000000000000000000000000000005900000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000003d0100000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000100000000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000000"))
+	assert.NoError(t, err)
+	assert.Equal(t, start, uint64(1))
+	assert.Equal(t, finish, uint64(1))
+	assert.Equal(t, batchIndex, uint64(1))
+
+	// multiple chunk
+	batchIndex, start, finish, err = utils.GetBatchRangeFromCalldataV2(common.Hex2Bytes("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"))
+	assert.NoError(t, err)
+	assert.Equal(t, start, uint64(10))
+	assert.Equal(t, finish, uint64(20))
+	assert.Equal(t, batchIndex, uint64(2))
+}
+
+func TestGetBatchRangeFromCalldataV1(t *testing.T) {
+	calldata, err := os.ReadFile("../testdata/commit-batches-0x3095e91db7ba4a6fbf4654d607db322e58ff5579c502219c8024acaea74cf311.txt")
+	assert.NoError(t, err)
+
+	// multiple batches
+	batchIndices, startBlocks, finishBlocks, err := utils.GetBatchRangeFromCalldataV1(common.Hex2Bytes(string(calldata[:])))
+	assert.NoError(t, err)
+	assert.Equal(t, len(batchIndices), 5)
+	assert.Equal(t, len(startBlocks), 5)
+	assert.Equal(t, len(finishBlocks), 5)
+	assert.Equal(t, batchIndices[0], uint64(1))
+	assert.Equal(t, batchIndices[1], uint64(2))
+	assert.Equal(t, batchIndices[2], uint64(3))
+	assert.Equal(t, batchIndices[3], uint64(4))
+	assert.Equal(t, batchIndices[4], uint64(5))
+	assert.Equal(t, startBlocks[0], uint64(1))
+	assert.Equal(t, startBlocks[1], uint64(6))
+	assert.Equal(t, startBlocks[2], uint64(7))
+	assert.Equal(t, startBlocks[3], uint64(19))
+	assert.Equal(t, startBlocks[4], uint64(20))
+	assert.Equal(t, finishBlocks[0], uint64(5))
+	assert.Equal(t, finishBlocks[1], uint64(6))
+	assert.Equal(t, finishBlocks[2], uint64(18))
+	assert.Equal(t, finishBlocks[3], uint64(19))
+	assert.Equal(t, finishBlocks[4], uint64(20))
+}

bridge/Makefile

@@ -5,8 +5,8 @@ IMAGE_VERSION=latest
 REPO_ROOT_DIR=./..
 
 mock_abi:
-	go run github.com/scroll-tech/go-ethereum/cmd/abigen --sol mock_bridge/MockBridgeL1.sol --pkg mock_bridge --out mock_bridge/MockBridgeL1.go
-	go run github.com/scroll-tech/go-ethereum/cmd/abigen --sol mock_bridge/MockBridgeL2.sol --pkg mock_bridge --out mock_bridge/MockBridgeL2.go
+	cd .. && go run github.com/scroll-tech/go-ethereum/cmd/abigen --sol ./bridge/mock_bridge/MockBridgeL1.sol --pkg mock_bridge --out ./bridge/mock_bridge/MockBridgeL1.go
+	cd .. && go run github.com/scroll-tech/go-ethereum/cmd/abigen --sol ./bridge/mock_bridge/MockBridgeL2.sol --pkg mock_bridge --out ./bridge/mock_bridge/MockBridgeL2.go
 
 bridge_bins: ## Builds the Bridge bins.
 	go build -o $(PWD)/build/bin/event_watcher ./cmd/event_watcher/

bridge/abi/bridge_abi_test.go

@@ -1,4 +1,4 @@
-package bridgeabi_test
+package bridgeabi
 
 import (
 	"math/big"
@@ -6,105 +6,100 @@ import (
 
 	"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(L1SentMessageEventSignature, common.HexToHash("104371f3b442861a2a7b82a070afbbaab748bb13757bf47769e170e37809ec1e"))
+	assert.Equal(L1RelayedMessageEventSignature, common.HexToHash("4641df4a962071e12719d8c8c8e5ac7fc4d97b927346a3d7a335b1f7517e133c"))
+	assert.Equal(L1FailedRelayedMessageEventSignature, common.HexToHash("99d0e048484baa1b1540b1367cb128acd7ab2946d1ed91ec10e3c85e4bf51b8f"))
 
-	assert.Equal(bridge_abi.L1CommitBatchEventSignature, common.HexToHash("2cdc615c74452778c0fb6184735e014c13aad2b62774fe0b09bd1dcc2cc14a62"))
-	assert.Equal(bridge_abi.L1FinalizeBatchEventSignature, common.HexToHash("6be443154c959a7a1645b4392b6fa97d8e8ab6e8fd853d7085e8867083737d79"))
+	assert.Equal(L1CommitBatchEventSignature, common.HexToHash("2cdc615c74452778c0fb6184735e014c13aad2b62774fe0b09bd1dcc2cc14a62"))
+	assert.Equal(L1FinalizeBatchEventSignature, common.HexToHash("9d3058a3cb9739a2527f22dd9a4138065844037d3004254952e2458d808cc364"))
 
-	assert.Equal(bridge_abi.L1QueueTransactionEventSignature, common.HexToHash("bdcc7517f8fe3db6506dfd910942d0bbecaf3d6a506dadea65b0d988e75b9439"))
+	assert.Equal(L1QueueTransactionEventSignature, common.HexToHash("69cfcb8e6d4192b8aba9902243912587f37e550d75c1fa801491fce26717f37e"))
 
-	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(L2SentMessageEventSignature, common.HexToHash("104371f3b442861a2a7b82a070afbbaab748bb13757bf47769e170e37809ec1e"))
+	assert.Equal(L2RelayedMessageEventSignature, common.HexToHash("4641df4a962071e12719d8c8c8e5ac7fc4d97b927346a3d7a335b1f7517e133c"))
+	assert.Equal(L2FailedRelayedMessageEventSignature, common.HexToHash("99d0e048484baa1b1540b1367cb128acd7ab2946d1ed91ec10e3c85e4bf51b8f"))
 
-	assert.Equal(bridge_abi.L2ImportBlockEventSignature, common.HexToHash("a7823f45e1ee21f9530b77959b57507ad515a14fa9fa24d262ee80e79b2b5745"))
+	assert.Equal(L2ImportBlockEventSignature, common.HexToHash("a7823f45e1ee21f9530b77959b57507ad515a14fa9fa24d262ee80e79b2b5745"))
 
-	assert.Equal(bridge_abi.L2AppendMessageEventSignature, common.HexToHash("faa617c2d8ce12c62637dbce76efcc18dae60574aa95709bdcedce7e76071693"))
+	assert.Equal(L2AppendMessageEventSignature, common.HexToHash("faa617c2d8ce12c62637dbce76efcc18dae60574aa95709bdcedce7e76071693"))
 }
 
 func TestPackRelayL2MessageWithProof(t *testing.T) {
 	assert := assert.New(t)
-	l1MessengerABI, err := bridge_abi.L1ScrollMessengerMetaData.GetAbi()
+	l1MessengerABI, err := L1ScrollMessengerMetaData.GetAbi()
 	assert.NoError(err)
 
-	proof := bridge_abi.IL1ScrollMessengerL2MessageProof{
-		BatchHash:   common.Hash{},
-		MerkleProof: make([]byte, 0),
+	proof := IL1ScrollMessengerL2MessageProof{
+		BatchIndex:  big.NewInt(0),
+		MerkleProof: []byte{},
 	}
-	_, err = l1MessengerABI.Pack("relayMessageWithProof", common.Address{}, common.Address{}, big.NewInt(0), big.NewInt(0), make([]byte, 0), proof)
+	_, err = l1MessengerABI.Pack("relayMessageWithProof", common.Address{}, common.Address{}, big.NewInt(0), big.NewInt(0), []byte{}, proof)
 	assert.NoError(err)
 }
 
 func TestPackCommitBatch(t *testing.T) {
 	assert := assert.New(t)
 
-	scrollChainABI, err := bridge_abi.ScrollChainMetaData.GetAbi()
+	scrollChainABI, err := 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,
-	}
+	version := uint8(1)
+	var parentBatchHeader []byte
+	var chunks [][]byte
+	var skippedL1MessageBitmap []byte
 
-	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)
+	_, err = scrollChainABI.Pack("commitBatch", version, parentBatchHeader, chunks, skippedL1MessageBitmap)
 	assert.NoError(err)
 }
 
 func TestPackFinalizeBatchWithProof(t *testing.T) {
 	assert := assert.New(t)
 
-	l1RollupABI, err := bridge_abi.ScrollChainMetaData.GetAbi()
+	l1RollupABI, err := 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)
-	}
+	batchHeader := []byte{}
+	prevStateRoot := common.Hash{}
+	postStateRoot := common.Hash{}
+	withdrawRoot := common.Hash{}
+	aggrProof := []byte{}
 
-	_, err = l1RollupABI.Pack("finalizeBatchWithProof", common.Hash{}, proof, instance)
+	_, err = l1RollupABI.Pack("finalizeBatchWithProof", batchHeader, prevStateRoot, postStateRoot, withdrawRoot, aggrProof)
+	assert.NoError(err)
+}
+
+func TestPackImportGenesisBatch(t *testing.T) {
+	assert := assert.New(t)
+
+	l1RollupABI, err := ScrollChainMetaData.GetAbi()
+	assert.NoError(err)
+
+	batchHeader := []byte{}
+	stateRoot := common.Hash{}
+
+	_, err = l1RollupABI.Pack("importGenesisBatch", batchHeader, stateRoot)
 	assert.NoError(err)
 }
 
 func TestPackRelayL1Message(t *testing.T) {
 	assert := assert.New(t)
 
-	l2MessengerABI, err := bridge_abi.L2ScrollMessengerMetaData.GetAbi()
+	l2MessengerABI, err := L2ScrollMessengerMetaData.GetAbi()
 	assert.NoError(err)
 
-	_, err = l2MessengerABI.Pack("relayMessage", common.Address{}, common.Address{}, big.NewInt(0), big.NewInt(0), make([]byte, 0))
+	_, err = l2MessengerABI.Pack("relayMessage", common.Address{}, common.Address{}, big.NewInt(0), big.NewInt(0), []byte{})
 	assert.NoError(err)
 }
 
 func TestPackSetL1BaseFee(t *testing.T) {
 	assert := assert.New(t)
 
-	l1GasOracleABI, err := bridge_abi.L1GasPriceOracleMetaData.GetAbi()
+	l1GasOracleABI, err := L1GasPriceOracleMetaData.GetAbi()
 	assert.NoError(err)
 
 	baseFee := big.NewInt(2333)
@@ -115,7 +110,7 @@ func TestPackSetL1BaseFee(t *testing.T) {
 func TestPackSetL2BaseFee(t *testing.T) {
 	assert := assert.New(t)
 
-	l2GasOracleABI, err := bridge_abi.L2GasPriceOracleMetaData.GetAbi()
+	l2GasOracleABI, err := L2GasPriceOracleMetaData.GetAbi()
 	assert.NoError(err)
 
 	baseFee := big.NewInt(2333)
@@ -126,8 +121,8 @@ func TestPackSetL2BaseFee(t *testing.T) {
 func TestPackImportBlock(t *testing.T) {
 	assert := assert.New(t)
 
-	l1BlockContainerABI := bridge_abi.L1BlockContainerABI
+	l1BlockContainerABI := L1BlockContainerABI
 
-	_, err := l1BlockContainerABI.Pack("importBlockHeader", common.Hash{}, make([]byte, 0), false)
+	_, err := l1BlockContainerABI.Pack("importBlockHeader", common.Hash{}, []byte{}, false)
 	assert.NoError(err)
 }

bridge/cmd/event_watcher/app/app.go

@@ -11,36 +11,29 @@ import (
 	"github.com/scroll-tech/go-ethereum/log"
 	"github.com/urfave/cli/v2"
 
-	"scroll-tech/database"
-
 	"scroll-tech/common/metrics"
+	cutils "scroll-tech/common/utils"
 	"scroll-tech/common/version"
 
-	"scroll-tech/bridge/config"
-	"scroll-tech/bridge/watcher"
-
-	cutils "scroll-tech/common/utils"
+	"scroll-tech/bridge/internal/config"
+	"scroll-tech/bridge/internal/controller/watcher"
+	"scroll-tech/bridge/internal/utils"
 )
 
-var (
-	app *cli.App
-)
+var app *cli.App
 
 func init() {
 	// Set up event-watcher app info.
 	app = cli.NewApp()
-
 	app.Action = action
 	app.Name = "event-watcher"
 	app.Usage = "The Scroll Event Watcher"
 	app.Version = version.Version
 	app.Flags = append(app.Flags, cutils.CommonFlags...)
 	app.Commands = []*cli.Command{}
-
 	app.Before = func(ctx *cli.Context) error {
 		return cutils.LogSetup(ctx)
 	}
-
 	// Register `event-watcher-test` app for integration-test.
 	cutils.RegisterSimulation(app, cutils.EventWatcherApp)
 }
@@ -55,15 +48,13 @@ func action(ctx *cli.Context) error {
 
 	subCtx, cancel := context.WithCancel(ctx.Context)
 	// Init db connection
-	var ormFactory database.OrmFactory
-	if ormFactory, err = database.NewOrmFactory(cfg.DBConfig); err != nil {
+	db, err := utils.InitDB(cfg.DBConfig)
+	if err != nil {
 		log.Crit("failed to init db connection", "err", err)
 	}
-
 	defer func() {
 		cancel()
-		err = ormFactory.Close()
-		if err != nil {
+		if err = utils.CloseDB(db); err != nil {
 			log.Error("can not close ormFactory", "error", err)
 		}
 	}()
@@ -81,8 +72,8 @@ 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, ormFactory)
-	l2watcher := watcher.NewL2WatcherClient(ctx.Context, l2client, cfg.L2Config.Confirmations, cfg.L2Config.L2MessengerAddress, cfg.L2Config.L2MessageQueueAddress, cfg.L2Config.WithdrawTrieRootSlot, ormFactory)
+	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)
 
 	go cutils.Loop(subCtx, 10*time.Second, func() {
 		if loopErr := l1watcher.FetchContractEvent(); loopErr != nil {

bridge/cmd/gas_oracle/app/app.go

@@ -11,27 +11,21 @@ import (
 	"github.com/scroll-tech/go-ethereum/log"
 	"github.com/urfave/cli/v2"
 
-	"scroll-tech/database"
-
 	"scroll-tech/common/metrics"
+	cutils "scroll-tech/common/utils"
 	"scroll-tech/common/version"
 
-	"scroll-tech/bridge/config"
-	"scroll-tech/bridge/relayer"
-	"scroll-tech/bridge/utils"
-	"scroll-tech/bridge/watcher"
-
-	cutils "scroll-tech/common/utils"
+	"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
-)
+var app *cli.App
 
 func init() {
 	// Set up gas-oracle app info.
 	app = cli.NewApp()
-
 	app.Action = action
 	app.Name = "gas-oracle"
 	app.Usage = "The Scroll Gas Oracle"
@@ -39,11 +33,9 @@ func init() {
 	app.Version = version.Version
 	app.Flags = append(app.Flags, cutils.CommonFlags...)
 	app.Commands = []*cli.Command{}
-
 	app.Before = func(ctx *cli.Context) error {
 		return cutils.LogSetup(ctx)
 	}
-
 	// Register `gas-oracle-test` app for integration-test.
 	cutils.RegisterSimulation(app, cutils.GasOracleApp)
 }
@@ -57,18 +49,17 @@ func action(ctx *cli.Context) error {
 	}
 	subCtx, cancel := context.WithCancel(ctx.Context)
 	// Init db connection
-	var ormFactory database.OrmFactory
-	if ormFactory, err = database.NewOrmFactory(cfg.DBConfig); err != nil {
+	db, err := utils.InitDB(cfg.DBConfig)
+	if err != nil {
 		log.Crit("failed to init db connection", "err", err)
 	}
-
 	defer func() {
 		cancel()
-		err = ormFactory.Close()
-		if err != nil {
+		if err = utils.CloseDB(db); err != nil {
 			log.Error("can not close ormFactory", "error", err)
 		}
 	}()
+
 	// Start metrics server.
 	metrics.Serve(subCtx, ctx)
 
@@ -85,14 +76,14 @@ func action(ctx *cli.Context) error {
 		return err
 	}
 
-	l1watcher := watcher.NewL1WatcherClient(ctx.Context, l1client, cfg.L1Config.StartHeight, cfg.L1Config.Confirmations, cfg.L1Config.L1MessengerAddress, cfg.L1Config.L1MessageQueueAddress, cfg.L1Config.ScrollChainContractAddress, ormFactory)
+	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, ormFactory, cfg.L1Config.RelayerConfig)
+	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, ormFactory, cfg.L2Config.RelayerConfig)
+	l2relayer, err := relayer.NewLayer2Relayer(ctx.Context, l2client, db, cfg.L2Config.RelayerConfig, false /* initGenesis */)
 	if err != nil {
 		log.Error("failed to create new l2 relayer", "config file", cfgFile, "error", err)
 		return err

bridge/cmd/mock_app.go

@@ -11,7 +11,7 @@ import (
 	"scroll-tech/common/docker"
 	"scroll-tech/common/utils"
 
-	"scroll-tech/bridge/config"
+	"scroll-tech/bridge/internal/config"
 )
 
 // MockApp mockApp-test client manager.

bridge/cmd/msg_relayer/app/app.go

@@ -7,29 +7,23 @@ import (
 	"os/signal"
 	"time"
 
-	"github.com/scroll-tech/go-ethereum/ethclient"
 	"github.com/scroll-tech/go-ethereum/log"
 	"github.com/urfave/cli/v2"
 
-	"scroll-tech/database"
-
 	"scroll-tech/common/metrics"
+	cutils "scroll-tech/common/utils"
 	"scroll-tech/common/version"
 
-	"scroll-tech/bridge/config"
-	"scroll-tech/bridge/relayer"
-
-	cutils "scroll-tech/common/utils"
+	"scroll-tech/bridge/internal/config"
+	"scroll-tech/bridge/internal/controller/relayer"
+	"scroll-tech/bridge/internal/utils"
 )
 
-var (
-	app *cli.App
-)
+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"
@@ -37,11 +31,9 @@ func init() {
 	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)
 }
@@ -53,18 +45,16 @@ func action(ctx *cli.Context) error {
 	if err != nil {
 		log.Crit("failed to load config file", "config file", cfgFile, "error", err)
 	}
-	subCtx, cancel := context.WithCancel(ctx.Context)
 
+	subCtx, cancel := context.WithCancel(ctx.Context)
 	// Init db connection
-	var ormFactory database.OrmFactory
-	if ormFactory, err = database.NewOrmFactory(cfg.DBConfig); err != nil {
+	db, err := utils.InitDB(cfg.DBConfig)
+	if err != nil {
 		log.Crit("failed to init db connection", "err", err)
 	}
-
 	defer func() {
 		cancel()
-		err = ormFactory.Close()
-		if err != nil {
+		if err = utils.CloseDB(db); err != nil {
 			log.Error("can not close ormFactory", "error", err)
 		}
 	}()
@@ -72,30 +62,15 @@ func action(ctx *cli.Context) error {
 	// Start metrics server.
 	metrics.Serve(subCtx, ctx)
 
-	// Init l2geth connection
-	l2client, err := ethclient.Dial(cfg.L2Config.Endpoint)
-	if err != nil {
-		log.Error("failed to connect l2 geth", "config file", cfgFile, "error", err)
-		return err
-	}
-
-	l1relayer, err := relayer.NewLayer1Relayer(ctx.Context, ormFactory, cfg.L1Config.RelayerConfig)
+	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, ormFactory, cfg.L2Config.RelayerConfig)
-	if err != nil {
-		log.Error("failed to create new l2 relayer", "config file", cfgFile, "error", err)
-		return err
-	}
 
 	// Start l1relayer process
 	go cutils.Loop(subCtx, 10*time.Second, l1relayer.ProcessSavedEvents)
 
-	// Start l2relayer process
-	go cutils.Loop(subCtx, 2*time.Second, l2relayer.ProcessSavedEvents)
-
 	// Finish start all message relayer functions
 	log.Info("Start message-relayer successfully")
 

bridge/cmd/rollup_relayer/app/app.go

@@ -11,34 +11,28 @@ import (
 	"github.com/scroll-tech/go-ethereum/log"
 	"github.com/urfave/cli/v2"
 
-	"scroll-tech/database"
-
 	"scroll-tech/common/metrics"
+	cutils "scroll-tech/common/utils"
 	"scroll-tech/common/version"
 
-	"scroll-tech/bridge/config"
-	"scroll-tech/bridge/relayer"
-	"scroll-tech/bridge/utils"
-	"scroll-tech/bridge/watcher"
-
-	cutils "scroll-tech/common/utils"
+	"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
-)
+var app *cli.App
 
 func init() {
 	// Set up rollup-relayer app info.
 	app = cli.NewApp()
-
 	app.Action = action
 	app.Name = "rollup-relayer"
 	app.Usage = "The Scroll Rollup Relayer"
 	app.Version = version.Version
 	app.Flags = append(app.Flags, cutils.CommonFlags...)
+	app.Flags = append(app.Flags, cutils.RollupRelayerFlags...)
 	app.Commands = []*cli.Command{}
-
 	app.Before = func(ctx *cli.Context) error {
 		return cutils.LogSetup(ctx)
 	}
@@ -55,16 +49,14 @@ func action(ctx *cli.Context) error {
 	}
 
 	subCtx, cancel := context.WithCancel(ctx.Context)
-
-	// init db connection
-	var ormFactory database.OrmFactory
-	if ormFactory, err = database.NewOrmFactory(cfg.DBConfig); err != nil {
+	// Init db connection
+	db, err := utils.InitDB(cfg.DBConfig)
+	if err != nil {
 		log.Crit("failed to init db connection", "err", err)
 	}
 	defer func() {
 		cancel()
-		err = ormFactory.Close()
-		if err != nil {
+		if err = utils.CloseDB(db); err != nil {
 			log.Error("can not close ormFactory", "error", err)
 		}
 	}()
@@ -79,19 +71,26 @@ func action(ctx *cli.Context) error {
 		return err
 	}
 
-	l2relayer, err := relayer.NewLayer2Relayer(ctx.Context, l2client, ormFactory, cfg.L2Config.RelayerConfig)
+	initGenesis := ctx.Bool(cutils.ImportGenesisFlag.Name)
+	l2relayer, err := relayer.NewLayer2Relayer(ctx.Context, l2client, db, cfg.L2Config.RelayerConfig, initGenesis)
 	if err != nil {
 		log.Error("failed to create l2 relayer", "config file", cfgFile, "error", err)
 		return err
 	}
 
-	batchProposer := watcher.NewBatchProposer(subCtx, cfg.L2Config.BatchProposerConfig, l2relayer, ormFactory)
+	chunkProposer := watcher.NewChunkProposer(subCtx, cfg.L2Config.ChunkProposerConfig, db)
+	if err != nil {
+		log.Error("failed to create chunkProposer", "config file", cfgFile, "error", err)
+		return err
+	}
+
+	batchProposer := watcher.NewBatchProposer(subCtx, cfg.L2Config.BatchProposerConfig, 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, ormFactory)
+	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 cutils.LoopWithContext(subCtx, 2*time.Second, func(ctx context.Context) {
@@ -100,14 +99,14 @@ func action(ctx *cli.Context) error {
 			log.Error("failed to get block number", "err", loopErr)
 			return
 		}
-		l2watcher.TryFetchRunningMissingBlocks(ctx, number)
+		l2watcher.TryFetchRunningMissingBlocks(number)
 	})
 
-	// Batch proposer loop
-	go cutils.Loop(subCtx, 2*time.Second, func() {
-		batchProposer.TryProposeBatch()
-		batchProposer.TryCommitBatches()
-	})
+	go cutils.Loop(subCtx, 2*time.Second, chunkProposer.TryProposeChunk)
+
+	go cutils.Loop(subCtx, 2*time.Second, batchProposer.TryProposeBatch)
+
+	go cutils.Loop(subCtx, 2*time.Second, l2relayer.ProcessPendingBatches)
 
 	go cutils.Loop(subCtx, 2*time.Second, l2relayer.ProcessCommittedBatches)
 

bridge/conf/config.json

@@ -1,7 +1,7 @@
 {
   "l1_config": {
     "confirmations": "0x6",
-    "endpoint": "https://goerli.infura.io/v3/9aa3d95b3bc440fa88ea12eaa4456161",
+    "endpoint": "DUMMY_ENDPOINT",
     "l1_messenger_address": "0x0000000000000000000000000000000000000000",
     "l1_message_queue_address": "0x0000000000000000000000000000000000000000",
     "scroll_chain_address": "0x0000000000000000000000000000000000000000",
@@ -31,7 +31,7 @@
         "1212121212121212121212121212121212121212121212121212121212121212"
       ],
       "gas_oracle_sender_private_keys": [
-        "1212121212121212121212121212121212121212121212121212121212121212"
+        "1313131313131313131313131313131313131313131313131313131313131313"
       ]
     }
   },
@@ -45,7 +45,7 @@
       "messenger_contract_address": "0x0000000000000000000000000000000000000000",
       "gas_price_oracle_address": "0x0000000000000000000000000000000000000000",
       "sender_config": {
-        "endpoint": "https://goerli.infura.io/v3/9aa3d95b3bc440fa88ea12eaa4456161",
+        "endpoint": "DUMMY_ENDPOINT",
         "check_pending_time": 10,
         "check_balance_time": 100,
         "escalate_blocks": 100,
@@ -66,24 +66,26 @@
         "1212121212121212121212121212121212121212121212121212121212121212"
       ],
       "gas_oracle_sender_private_keys": [
-        "1212121212121212121212121212121212121212121212121212121212121212"
+        "1313131313131313131313131313131313131313131313131313131313131313"
       ],
       "rollup_sender_private_keys": [
-        "1212121212121212121212121212121212121212121212121212121212121212"
+        "1414141414141414141414141414141414141414141414141414141414141414"
       ]
     },
+    "chunk_proposer_config": {
+      "max_tx_gas_per_chunk": 1123456,
+      "max_l2_tx_num_per_chunk": 1123,
+      "max_l1_commit_gas_per_chunk": 11234567,
+      "max_l1_commit_calldata_size_per_chunk": 112345,
+      "min_l1_commit_calldata_size_per_chunk": 11234,
+      "chunk_timeout_sec": 300
+    },
     "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"
-      }
+      "max_chunk_num_per_batch": 112,
+      "max_l1_commit_gas_per_batch": 11234567,
+      "max_l1_commit_calldata_size_per_batch": 112345,
+      "min_chunk_num_per_batch": 11,
+      "batch_timeout_sec": 300
     }
   },
   "db_config": {

bridge/config/l2_config.go

@@ -1,49 +0,0 @@
-package config
-
-import (
-	"github.com/scroll-tech/go-ethereum/rpc"
-
-	"github.com/scroll-tech/go-ethereum/common"
-
-	"scroll-tech/common/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/go.mod

@@ -1,53 +1,70 @@
 module scroll-tech/bridge
 
-go 1.18
+go 1.19
 
 require (
 	github.com/agiledragon/gomonkey/v2 v2.9.0
+	github.com/jmoiron/sqlx v1.3.5
+	github.com/lib/pq v1.10.7
 	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/pressly/goose/v3 v3.7.0
+	github.com/scroll-tech/go-ethereum v1.10.14-0.20230613025759-f055f50f9d56
 	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
+	gorm.io/driver/postgres v1.5.0
+	gorm.io/gorm v1.25.1
 )
 
 require (
 	github.com/btcsuite/btcd v0.20.1-beta // indirect
+	github.com/cespare/xxhash/v2 v2.2.0 // 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/ethereum/go-ethereum v1.11.4 // indirect
 	github.com/go-ole/go-ole v1.2.6 // indirect
+	github.com/go-sql-driver/mysql v1.7.0 // indirect
 	github.com/go-stack/stack v1.8.1 // indirect
+	github.com/golang/snappy v0.0.5-0.20220116011046-fa5810519dcb // 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/holiman/uint256 v1.2.2 // indirect
+	github.com/huin/goupnp v1.0.3 // indirect
+	github.com/iden3/go-iden3-crypto v0.0.15 // 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/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/jtolds/gls v4.20.0+incompatible // indirect
+	github.com/kr/pretty v0.3.1 // indirect
+	github.com/mattn/go-colorable v0.1.13 // 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/mattn/go-sqlite3 v1.14.14 // 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/scroll-tech/zktrie v0.5.3 // indirect
 	github.com/shirou/gopsutil v3.21.11+incompatible // indirect
 	github.com/smartystreets/assertions v1.13.1 // indirect
+	github.com/status-im/keycard-go v0.2.0 // indirect
 	github.com/tklauser/go-sysconf v0.3.11 // indirect
 	github.com/tklauser/numcpus v0.6.0 // indirect
+	github.com/tyler-smith/go-bip39 v1.1.0 // 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
+	golang.org/x/crypto v0.10.0 // indirect
+	golang.org/x/sys v0.9.0 // indirect
+	golang.org/x/text v0.10.0 // indirect
+	golang.org/x/time v0.3.0 // indirect
+	golang.org/x/tools v0.8.0 // indirect
 	gopkg.in/natefinch/npipe.v2 v2.0.0-20160621034901-c1b8fa8bdcce // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

bridge/go.sum

@@ -13,8 +13,10 @@ github.com/btcsuite/websocket v0.0.0-20150119174127-31079b680792/go.mod h1:ghJtE
 github.com/btcsuite/winsvc v1.0.0/go.mod h1:jsenWakMcC0zFBFurPLEAyrnc/teJEM1O46fmI40EZs=
 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/cpuguy83/go-md2man/v2 v2.0.2 h1:p1EgwI/C7NhT0JmVkwCD2ZBK8j4aeHQX2pMHHBfMQ6w=
 github.com/cpuguy83/go-md2man/v2 v2.0.2/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
+github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/davecgh/go-spew v0.0.0-20171005155431-ecdeabc65495/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
@@ -22,17 +24,19 @@ 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/gballet/go-libpcsclite v0.0.0-20190607065134-2772fd86a8ff h1:tY80oXqGNY4FhTFhk+o9oFHGINQ/+vhlm8HFzi6znCI=
 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-sql-driver/mysql v1.6.0/go.mod h1:DCzpHaOWr8IXmIStZouvnhqoel9Qv2LBy8hT2VhHyBg=
+github.com/go-sql-driver/mysql v1.7.0 h1:ueSltNNllEqE3qcWBTD0iQd3IpL/6U+mJxLkazJ7YPc=
+github.com/go-sql-driver/mysql v1.7.0/go.mod h1:OXbVy3sEdcQ2Doequ6Z5BW6fXNQTmx+9S1MCJN5yJMI=
 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/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
-github.com/golang/snappy v0.0.4 h1:yAGX7huGHXlcLOEtBnF4w7FQwA26wojNCwOYAEhLjQM=
+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/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=
@@ -43,30 +47,59 @@ 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 v1.2.0 h1:gpSYcPLWGv4sG43I2mVLiDZCNDh/EpGjSk8tmtxitHM=
+github.com/holiman/uint256 v1.2.2 h1:TXKcSGc2WaxPD2+bmzAsVthL4+pEN0YwXcL5qED83vk=
+github.com/holiman/uint256 v1.2.2/go.mod h1:SC8Ryt4n+UBbPbIBKaG9zbbDlp4jOru9xFZmPzLUTxw=
 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/iden3/go-iden3-crypto v0.0.14 h1:HQnFchY735JRNQxof6n/Vbyon4owj4+Ku+LNAamWV6c=
-github.com/iden3/go-iden3-crypto v0.0.14/go.mod h1:dLpM4vEPJ3nDHzhWFXDjzkn1qHoBeOT/3UEhXsEsP3E=
+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/jackc/pgpassfile v1.0.0 h1:/6Hmqy13Ss2zCq62VdNG8tM1wchn8zjSGOBJ6icpsIM=
+github.com/jackc/pgpassfile v1.0.0/go.mod h1:CEx0iS5ambNFdcRtxPj5JhEz+xB6uRky5eyVu/W2HEg=
+github.com/jackc/pgservicefile v0.0.0-20221227161230-091c0ba34f0a h1:bbPeKD0xmW/Y25WS6cokEszi5g+S0QxI/d45PkRi7Nk=
+github.com/jackc/pgservicefile v0.0.0-20221227161230-091c0ba34f0a/go.mod h1:5TJZWKEWniPve33vlWYSoGYefn3gLQRzjfDlhSJ9ZKM=
+github.com/jackc/pgx/v5 v5.3.0 h1:/NQi8KHMpKWHInxXesC8yD4DhkXPrVhmnwYkjp9AmBA=
+github.com/jackc/pgx/v5 v5.3.0/go.mod h1:t3JDKnCBlYIc0ewLF0Q7B8MXmoIaBOZj/ic7iHozM/8=
+github.com/jackc/puddle/v2 v2.2.0/go.mod h1:vriiEXHvEE654aYKXXjOvZM39qJ0q+azkZFrfEOc3H4=
 github.com/jackpal/go-nat-pmp v1.0.2 h1:KzKSgb7qkJvOUTqYl9/Hg/me3pWgBmERKrTGD7BdWus=
+github.com/jackpal/go-nat-pmp v1.0.2/go.mod h1:QPH045xvCAeXUZOxsnwmrtiCoxIr9eob+4orBN1SBKc=
 github.com/jessevdk/go-flags v0.0.0-20141203071132-1679536dcc89/go.mod h1:4FA24M0QyGHXBuZZK/XkWh8h0e1EYbRYJSGM75WSRxI=
+github.com/jinzhu/inflection v1.0.0 h1:K317FqzuhWc8YvSVlFMCCUb36O/S9MCKRDI7QkRKD/E=
+github.com/jinzhu/inflection v1.0.0/go.mod h1:h+uFLlag+Qp1Va5pdKtLDYj+kHp5pxUVkryuEj+Srlc=
+github.com/jinzhu/now v1.1.5 h1:/o9tlHleP7gOFmsnYNz3RGnqzefHA47wQpKrrdTIwXQ=
+github.com/jinzhu/now v1.1.5/go.mod h1:d3SSVoowX0Lcu0IBviAWJpolVfI5UJVZZ7cO71lE/z8=
+github.com/jmoiron/sqlx v1.3.5 h1:vFFPA71p1o5gAeqtEAwLU4dnX2napprKtHr7PYIcN3g=
+github.com/jmoiron/sqlx v1.3.5/go.mod h1:nRVWtLre0KfCLJvgxzCsLVMogSvQ1zNJtpYr2Ccp0mQ=
 github.com/jrick/logrotate v1.0.0/go.mod h1:LNinyqDIJnpAur+b8yyulnQw/wDuN1+BYKlTRt3OuAQ=
 github.com/jtolds/gls v4.20.0+incompatible h1:xdiiI2gbIgH/gLH7ADydsJ1uDOEzR8yvV7C0MuV77Wo=
 github.com/jtolds/gls v4.20.0+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfVYBRgL+9YlvaHOwJU=
+github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51 h1:Z9n2FFNUXsshfwJMBgNA0RU6/i7WVaAegv3PtuIHPMs=
 github.com/kkdai/bstream v0.0.0-20161212061736-f391b8402d23/go.mod h1:J+Gs4SYgM6CZQHDETBtE9HaSEkGmuNXF86RwHhHUvq4=
+github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
 github.com/kr/pretty v0.2.1/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfnI=
+github.com/kr/pretty v0.3.0/go.mod h1:640gp4NfQd8pI5XOwp5fnNeVWj67G7CFk/SaSQn7NBk=
 github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
+github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk=
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
 github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
+github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
 github.com/leanovate/gopter v0.2.9 h1:fQjYxZaynp97ozCzfOyOuAGOU4aU/z37zf/tOujFk7c=
+github.com/lib/pq v1.2.0/go.mod h1:5WUZQaWbwv1U+lTReE5YruASi9Al49XbQIvNi/34Woo=
+github.com/lib/pq v1.10.7 h1:p7ZhMD+KsSRozJr34udlUrhboJwWAgCg34+/ZZNvZZw=
+github.com/lib/pq v1.10.7/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o=
 github.com/mattn/go-colorable v0.1.13 h1:fFA4WZxdEF4tXPZVKMLwD8oUnCTTo08duU7wxecdEvA=
+github.com/mattn/go-colorable v0.1.13/go.mod h1:7S9/ev0klgBDR4GtXTXX8a3vIGJpMovkB8vQcUbaXHg=
+github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM=
 github.com/mattn/go-isatty v0.0.18 h1:DOKFKCQ7FNG2L1rbrmstDN4QVRdS89Nkh85u68Uwp98=
 github.com/mattn/go-isatty v0.0.18/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
 github.com/mattn/go-runewidth v0.0.14 h1:+xnbZSEeDbOIg5/mE6JF0w6n9duR1l3/WmbinWVwUuU=
 github.com/mattn/go-runewidth v0.0.14/go.mod h1:Jdepj2loyihRzMpdS35Xk/zdY8IAYHsh153qUoGf23w=
+github.com/mattn/go-sqlite3 v1.14.6/go.mod h1:NyWgC/yNuGj7Q9rpYnZvas74GogHl5/Z4A/KQRfk6bU=
+github.com/mattn/go-sqlite3 v1.14.14 h1:qZgc/Rwetq+MtyE18WhzjokPD93dNqLGNT3QJuLvBGw=
+github.com/mattn/go-sqlite3 v1.14.14/go.mod h1:NyWgC/yNuGj7Q9rpYnZvas74GogHl5/Z4A/KQRfk6bU=
 github.com/mitchellh/mapstructure v1.5.0 h1:jeMsZIYE/09sWLaz43PL7Gy6RuMjD2eJVyuac5Z2hdY=
-github.com/mitchellh/mapstructure v1.5.0/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RRV2QTWOzhPopBRo=
 github.com/mitchellh/pointerstructure v1.2.0 h1:O+i9nHnXS3l/9Wu7r4NrEdwA2VFTicjUEN1uBnDo34A=
 github.com/olekukonko/tablewriter v0.0.5 h1:P2Ga83D34wi1o9J6Wh1mRuqd4mF/x/lgBS7N7AbDhec=
 github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
@@ -76,26 +109,30 @@ github.com/orcaman/concurrent-map v1.0.0 h1:I/2A2XPCb4IuQWcQhBhSwGfiuybl/J0ev9HD
 github.com/orcaman/concurrent-map v1.0.0/go.mod h1:Lu3tH6HLW3feq74c2GC+jIMS/K2CFcDWnWD9XkenwhI=
 github.com/orcaman/concurrent-map/v2 v2.0.1 h1:jOJ5Pg2w1oeB6PeDurIYf6k9PQ+aTITr/6lP/L/zp6c=
 github.com/orcaman/concurrent-map/v2 v2.0.1/go.mod h1:9Eq3TG2oBe5FirmYWQfYO5iH1q0Jv47PLaNK++uCdOM=
+github.com/pkg/diff v0.0.0-20210226163009-20ebb0f2a09e/go.mod h1:pJLUxLENpZxwdsKMEsNbx1VGcRFpLqf3715MtcvvzbA=
 github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/pressly/goose/v3 v3.7.0 h1:jblaZul15uCIEKHRu5KUdA+5wDA7E60JC0TOthdrtf8=
+github.com/pressly/goose/v3 v3.7.0/go.mod h1:N5gqPdIzdxf3BiPWdmoPreIwHStkxsvKWE5xjUvfYNk=
 github.com/prometheus/tsdb v0.7.1 h1:YZcsG11NqnK4czYLrWd9mpEuAJIHVQLwdrleYfszMAA=
 github.com/remyoudompheng/bigfft v0.0.0-20200410134404-eec4a21b6bb0 h1:OdAsTTz6OkFY5QxjkYwrChwuRruF69c169dPK26NUlk=
-github.com/remyoudompheng/bigfft v0.0.0-20200410134404-eec4a21b6bb0/go.mod h1:qqbHyh8v60DhA7CoWK5oRCqLrMHRGoxYCSS9EjAz6Eo=
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@@ -105,11 +142,15 @@ github.com/smartystreets/goconvey v1.6.4/go.mod h1:syvi0/a8iFYH4r/RixwvyeAJjdLS9
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@@ -118,37 +159,73 @@ github.com/tklauser/go-sysconf v0.3.11/go.mod h1:GqXfhXY3kiPa0nAXPDIQIWzJbMCB7Am
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@@ -158,5 +235,18 @@ gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
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+gorm.io/gorm v1.25.1/go.mod h1:L4uxeKpfBml98NYqVqwAdmV1a2nBtAec/cf3fpucW/k=
+lukechampine.com/uint128 v1.2.0 h1:mBi/5l91vocEN8otkC5bDLhi2KdCticRiwbdB0O+rjI=
+modernc.org/cc/v3 v3.36.1 h1:CICrjwr/1M4+6OQ4HJZ/AHxjcwe67r5vPUF518MkO8A=
+modernc.org/ccgo/v3 v3.16.8 h1:G0QNlTqI5uVgczBWfGKs7B++EPwCfXPWGD2MdeKloDs=
+modernc.org/libc v1.16.19 h1:S8flPn5ZeXx6iw/8yNa986hwTQDrY8RXU7tObZuAozo=
 modernc.org/mathutil v1.4.1 h1:ij3fYGe8zBF4Vu+g0oT7mB06r8sqGWKuJu1yXeR4by8=
-modernc.org/mathutil v1.4.1/go.mod h1:mZW8CKdRPY1v87qxC/wUdX5O1qDzXMP5TH3wjfpga6E=
+modernc.org/memory v1.1.1 h1:bDOL0DIDLQv7bWhP3gMvIrnoFw+Eo6F7a2QK9HPDiFU=
+modernc.org/opt v0.1.3 h1:3XOZf2yznlhC+ibLltsDGzABUGVx8J6pnFMS3E4dcq4=
+modernc.org/sqlite v1.18.1 h1:ko32eKt3jf7eqIkCgPAeHMBXw3riNSLhl2f3loEF7o8=
+modernc.org/strutil v1.1.2 h1:iFBDH6j1Z0bN/Q9udJnnFoFpENA4252qe/7/5woE5MI=
+modernc.org/token v1.0.0 h1:a0jaWiNMDhDUtqOj09wvjWWAqd3q7WpBulmL9H2egsk=

bridge/internal/config/config.go

@@ -4,15 +4,13 @@ import (
 	"encoding/json"
 	"os"
 	"path/filepath"
-
-	"scroll-tech/database"
 )
 
 // Config load configuration items.
 type Config struct {
-	L1Config *L1Config          `json:"l1_config"`
-	L2Config *L2Config          `json:"l2_config"`
-	DBConfig *database.DBConfig `json:"db_config"`
+	L1Config *L1Config `json:"l1_config"`
+	L2Config *L2Config `json:"l2_config"`
+	DBConfig *DBConfig `json:"db_config"`
 }
 
 // NewConfig returns a new instance of Config.

bridge/internal/config/config_test.go

@@ -12,8 +12,8 @@ import (
 
 func TestConfig(t *testing.T) {
 	t.Run("Success Case", func(t *testing.T) {
-		cfg, err := NewConfig("../config.json")
-		assert.NoError(t, err, "failed to load config")
+		cfg, err := NewConfig("../../conf/config.json")
+		assert.NoError(t, err)
 
 		assert.Len(t, cfg.L1Config.RelayerConfig.MessageSenderPrivateKeys, 1)
 		assert.Len(t, cfg.L2Config.RelayerConfig.MessageSenderPrivateKeys, 1)
@@ -23,7 +23,11 @@ func TestConfig(t *testing.T) {
 		assert.NoError(t, err)
 
 		tmpJSON := fmt.Sprintf("/tmp/%d_bridge_config.json", time.Now().Nanosecond())
-		defer func() { _ = os.Remove(tmpJSON) }()
+		defer func() {
+			if _, err = os.Stat(tmpJSON); err == nil {
+				assert.NoError(t, os.Remove(tmpJSON))
+			}
+		}()
 
 		assert.NoError(t, os.WriteFile(tmpJSON, data, 0644))
 
@@ -42,14 +46,17 @@ func TestConfig(t *testing.T) {
 
 	t.Run("Invalid JSON Content", func(t *testing.T) {
 		// Create a temporary file with invalid JSON content
-		tempFile, err := os.CreateTemp("", "invalid_json_config.json")
+		tmpFile, err := os.CreateTemp("", "invalid_json_config.json")
 		assert.NoError(t, err)
-		defer os.Remove(tempFile.Name())
+		defer func() {
+			assert.NoError(t, tmpFile.Close())
+			assert.NoError(t, os.Remove(tmpFile.Name()))
+		}()
 
-		_, err = tempFile.WriteString("{ invalid_json: ")
+		_, err = tmpFile.WriteString("{ invalid_json: ")
 		assert.NoError(t, err)
 
-		_, err = NewConfig(tempFile.Name())
+		_, err = NewConfig(tmpFile.Name())
 		assert.Error(t, err)
 	})
 }

bridge/internal/config/db.go

@@ -0,0 +1,11 @@
+package config
+
+// 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"`
+}

bridge/internal/config/l2.go

@@ -0,0 +1,46 @@
+package config
+
+import (
+	"github.com/scroll-tech/go-ethereum/rpc"
+
+	"github.com/scroll-tech/go-ethereum/common"
+)
+
+// 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 chunk_proposer config
+	ChunkProposerConfig *ChunkProposerConfig `json:"chunk_proposer_config"`
+	// The batch_proposer config
+	BatchProposerConfig *BatchProposerConfig `json:"batch_proposer_config"`
+}
+
+// ChunkProposerConfig loads chunk_proposer configuration items.
+type ChunkProposerConfig struct {
+	MaxTxGasPerChunk                uint64 `json:"max_tx_gas_per_chunk"`
+	MaxL2TxNumPerChunk              uint64 `json:"max_l2_tx_num_per_chunk"`
+	MaxL1CommitGasPerChunk          uint64 `json:"max_l1_commit_gas_per_chunk"`
+	MaxL1CommitCalldataSizePerChunk uint64 `json:"max_l1_commit_calldata_size_per_chunk"`
+	MinL1CommitCalldataSizePerChunk uint64 `json:"min_l1_commit_calldata_size_per_chunk"`
+	ChunkTimeoutSec                 uint64 `json:"chunk_timeout_sec"`
+}
+
+// BatchProposerConfig loads batch_proposer configuration items.
+type BatchProposerConfig struct {
+	MaxChunkNumPerBatch             uint64 `json:"max_chunk_num_per_batch"`
+	MaxL1CommitGasPerBatch          uint64 `json:"max_l1_commit_gas_per_batch"`
+	MaxL1CommitCalldataSizePerBatch uint64 `json:"max_l1_commit_calldata_size_per_batch"`
+	MinChunkNumPerBatch             uint64 `json:"min_chunk_num_per_batch"`
+	BatchTimeoutSec                 uint64 `json:"batch_timeout_sec"`
+}

bridge/internal/controller/relayer/common.go

@@ -0,0 +1,20 @@
+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 error of Message expired
+	ErrExecutionRevertedMessageExpired = errors.New("execution reverted: Message expired")
+	// ErrExecutionRevertedAlreadySuccessExecuted error of Message was already successfully executed
+	ErrExecutionRevertedAlreadySuccessExecuted = errors.New("execution reverted: Message was already successfully executed")
+)

bridge/internal/controller/relayer/l1_relayer.go

@@ -6,27 +6,25 @@ import (
 	"math/big"
 
 	// not sure if this will make problems when relay with l1geth
-
 	"github.com/scroll-tech/go-ethereum/accounts/abi"
 	"github.com/scroll-tech/go-ethereum/common"
 	"github.com/scroll-tech/go-ethereum/crypto"
 	"github.com/scroll-tech/go-ethereum/log"
-	geth_metrics "github.com/scroll-tech/go-ethereum/metrics"
-
-	"scroll-tech/common/types"
-
-	"scroll-tech/database"
+	gethMetrics "github.com/scroll-tech/go-ethereum/metrics"
+	"gorm.io/gorm"
 
 	"scroll-tech/common/metrics"
+	"scroll-tech/common/types"
 
-	bridge_abi "scroll-tech/bridge/abi"
-	"scroll-tech/bridge/config"
-	"scroll-tech/bridge/sender"
+	bridgeAbi "scroll-tech/bridge/abi"
+	"scroll-tech/bridge/internal/config"
+	"scroll-tech/bridge/internal/controller/sender"
+	"scroll-tech/bridge/internal/orm"
 )
 
 var (
-	bridgeL1MsgsRelayedTotalCounter          = geth_metrics.NewRegisteredCounter("bridge/l1/msgs/relayed/total", metrics.ScrollRegistry)
-	bridgeL1MsgsRelayedConfirmedTotalCounter = geth_metrics.NewRegisteredCounter("bridge/l1/msgs/relayed/confirmed/total", metrics.ScrollRegistry)
+	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
@@ -38,7 +36,6 @@ var (
 type Layer1Relayer struct {
 	ctx context.Context
 
-	db  database.OrmFactory
 	cfg *config.RelayerConfig
 
 	// channel used to communicate with transaction sender
@@ -53,10 +50,13 @@ type Layer1Relayer struct {
 	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 database.OrmFactory, cfg *config.RelayerConfig) (*Layer1Relayer, error) {
+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)
@@ -88,14 +88,15 @@ func NewLayer1Relayer(ctx context.Context, db database.OrmFactory, cfg *config.R
 	}
 
 	l1Relayer := &Layer1Relayer{
-		ctx: ctx,
-		db:  db,
+		ctx:          ctx,
+		l1MessageOrm: orm.NewL1Message(db),
+		l1Block:      orm.NewL1Block(db),
 
 		messageSender:  messageSender,
-		l2MessengerABI: bridge_abi.L2ScrollMessengerABI,
+		l2MessengerABI: bridgeAbi.L2ScrollMessengerABI,
 
 		gasOracleSender: gasOracleSender,
-		l1GasOracleABI:  bridge_abi.L1GasPriceOracleABI,
+		l1GasOracleABI:  bridgeAbi.L1GasPriceOracleABI,
 
 		minGasLimitForMessageRelay: minGasLimitForMessageRelay,
 
@@ -112,7 +113,7 @@ func NewLayer1Relayer(ctx context.Context, db database.OrmFactory, cfg *config.R
 // ProcessSavedEvents relays saved un-processed cross-domain transactions to desired blockchain
 func (r *Layer1Relayer) ProcessSavedEvents() {
 	// msgs are sorted by nonce in increasing order
-	msgs, err := r.db.GetL1MessagesByStatus(types.MsgPending, 100)
+	msgs, err := r.l1MessageOrm.GetL1MessagesByStatus(types.MsgPending, 100)
 	if err != nil {
 		log.Error("Failed to fetch unprocessed L1 messages", "err", err)
 		return
@@ -123,7 +124,8 @@ func (r *Layer1Relayer) ProcessSavedEvents() {
 	}
 
 	for _, msg := range msgs {
-		if err = r.processSavedEvent(msg); err != nil {
+		tmpMsg := msg
+		if err = r.processSavedEvent(&tmpMsg); 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)
 			}
@@ -132,15 +134,15 @@ func (r *Layer1Relayer) ProcessSavedEvents() {
 	}
 }
 
-func (r *Layer1Relayer) processSavedEvent(msg *types.L1Message) error {
+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 && err.Error() == "execution reverted: Message expired" {
-		return r.db.UpdateLayer1Status(r.ctx, msg.MsgHash, types.MsgExpired)
+	if err != nil && errors.Is(err, ErrExecutionRevertedMessageExpired) {
+		return r.l1MessageOrm.UpdateLayer1Status(r.ctx, msg.MsgHash, types.MsgExpired)
 	}
-	if err != nil && err.Error() == "execution reverted: Message was already successfully executed" {
-		return r.db.UpdateLayer1Status(r.ctx, msg.MsgHash, types.MsgConfirmed)
+
+	if err != nil && errors.Is(err, ErrExecutionRevertedAlreadySuccessExecuted) {
+		return r.l1MessageOrm.UpdateLayer1Status(r.ctx, msg.MsgHash, types.MsgConfirmed)
 	}
 	if err != nil {
 		return err
@@ -148,7 +150,7 @@ func (r *Layer1Relayer) processSavedEvent(msg *types.L1Message) error {
 	bridgeL1MsgsRelayedTotalCounter.Inc(1)
 	log.Info("relayMessage to layer2", "msg hash", msg.MsgHash, "tx hash", hash)
 
-	err = r.db.UpdateLayer1StatusAndLayer2Hash(r.ctx, msg.MsgHash, types.MsgSubmitted, hash.String())
+	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)
 	}
@@ -157,17 +159,17 @@ func (r *Layer1Relayer) processSavedEvent(msg *types.L1Message) error {
 
 // ProcessGasPriceOracle imports gas price to layer2
 func (r *Layer1Relayer) ProcessGasPriceOracle() {
-	latestBlockHeight, err := r.db.GetLatestL1BlockHeight()
+	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.db.GetL1BlockInfos(map[string]interface{}{
+	blocks, err := r.l1Block.GetL1Blocks(map[string]interface{}{
 		"number": latestBlockHeight,
 	})
 	if err != nil {
-		log.Error("Failed to GetL1BlockInfos from db", "height", latestBlockHeight, "err", err)
+		log.Error("Failed to GetL1Blocks from db", "height", latestBlockHeight, "err", err)
 		return
 	}
 	if len(blocks) != 1 {
@@ -176,7 +178,7 @@ func (r *Layer1Relayer) ProcessGasPriceOracle() {
 	}
 	block := blocks[0]
 
-	if block.GasOracleStatus == types.GasOraclePending {
+	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)) {
@@ -195,7 +197,7 @@ func (r *Layer1Relayer) ProcessGasPriceOracle() {
 				return
 			}
 
-			err = r.db.UpdateL1GasOracleStatusAndOracleTxHash(r.ctx, block.Hash, types.GasOracleImporting, hash.String())
+			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
@@ -214,14 +216,14 @@ func (r *Layer1Relayer) handleConfirmLoop(ctx context.Context) {
 		case cfm := <-r.messageSender.ConfirmChan():
 			bridgeL1MsgsRelayedConfirmedTotalCounter.Inc(1)
 			if !cfm.IsSuccessful {
-				err := r.db.UpdateLayer1StatusAndLayer2Hash(r.ctx, cfm.ID, types.MsgRelayFailed, cfm.TxHash.String())
+				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.db.UpdateLayer1StatusAndLayer2Hash(r.ctx, cfm.ID, types.MsgConfirmed, cfm.TxHash.String())
+				err := r.l1MessageOrm.UpdateLayer1StatusAndLayer2Hash(r.ctx, cfm.ID, types.MsgConfirmed, cfm.TxHash.String())
 				if err != nil {
 					log.Warn("UpdateLayer1StatusAndLayer2Hash failed", "err", err)
 				}
@@ -230,14 +232,14 @@ func (r *Layer1Relayer) handleConfirmLoop(ctx context.Context) {
 		case cfm := <-r.gasOracleSender.ConfirmChan():
 			if !cfm.IsSuccessful {
 				// @discuss: maybe make it pending again?
-				err := r.db.UpdateL1GasOracleStatusAndOracleTxHash(r.ctx, cfm.ID, types.GasOracleFailed, cfm.TxHash.String())
+				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.db.UpdateL1GasOracleStatusAndOracleTxHash(r.ctx, cfm.ID, types.GasOracleImported, cfm.TxHash.String())
+				err := r.l1Block.UpdateL1GasOracleStatusAndOracleTxHash(r.ctx, cfm.ID, types.GasOracleImported, cfm.TxHash.String())
 				if err != nil {
 					log.Warn("UpdateGasOracleStatusAndOracleTxHash failed", "err", err)
 				}

bridge/internal/controller/relayer/l1_relayer_test.go

@@ -0,0 +1,256 @@
+package relayer
+
+import (
+	"context"
+	"errors"
+	"math/big"
+	"testing"
+
+	"github.com/agiledragon/gomonkey/v2"
+	"github.com/scroll-tech/go-ethereum/common"
+	"github.com/smartystreets/goconvey/convey"
+	"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.NotNil(t, relayer)
+	assert.NoError(t, l1MessageOrm.SaveL1Messages(context.Background(), templateL1Message))
+	relayer.ProcessSavedEvents()
+	msg1, err := l1MessageOrm.GetL1MessageByQueueIndex(1)
+	assert.NoError(t, err)
+	assert.Equal(t, types.MsgStatus(msg1.Status), types.MsgSubmitted)
+	msg2, err := l1MessageOrm.GetL1MessageByQueueIndex(2)
+	assert.NoError(t, err)
+	assert.Equal(t, types.MsgStatus(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.GetL1Blocks(map[string]interface{}{"hash": "gas-oracle-1"})
+		msg2, err2 := l1BlockOrm.GetL1Blocks(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)
+}
+
+func testL1RelayerProcessGasPriceOracle(t *testing.T) {
+	db := setupL1RelayerDB(t)
+	defer bridgeUtils.CloseDB(db)
+
+	l1Cfg := cfg.L1Config
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+	l1Relayer, err := NewLayer1Relayer(ctx, db, l1Cfg.RelayerConfig)
+	assert.NoError(t, err)
+	assert.NotNil(t, l1Relayer)
+
+	var l1BlockOrm *orm.L1Block
+	convey.Convey("GetLatestL1BlockHeight failure", t, func() {
+		targetErr := errors.New("GetLatestL1BlockHeight error")
+		patchGuard := gomonkey.ApplyMethodFunc(l1BlockOrm, "GetLatestL1BlockHeight", func() (uint64, error) {
+			return 0, targetErr
+		})
+		defer patchGuard.Reset()
+		l1Relayer.ProcessGasPriceOracle()
+	})
+
+	patchGuard := gomonkey.ApplyMethodFunc(l1BlockOrm, "GetLatestL1BlockHeight", func() (uint64, error) {
+		return 100, nil
+	})
+	defer patchGuard.Reset()
+
+	convey.Convey("GetL1Blocks failure", t, func() {
+		targetErr := errors.New("GetL1Blocks error")
+		patchGuard.ApplyMethodFunc(l1BlockOrm, "GetL1Blocks", func(fields map[string]interface{}) ([]orm.L1Block, error) {
+			return nil, targetErr
+		})
+		l1Relayer.ProcessGasPriceOracle()
+	})
+
+	convey.Convey("Block not exist", t, func() {
+		patchGuard.ApplyMethodFunc(l1BlockOrm, "GetL1Blocks", func(fields map[string]interface{}) ([]orm.L1Block, error) {
+			tmpInfo := []orm.L1Block{
+				{Hash: "gas-oracle-1", Number: 0},
+				{Hash: "gas-oracle-2", Number: 1},
+			}
+			return tmpInfo, nil
+		})
+		l1Relayer.ProcessGasPriceOracle()
+	})
+
+	patchGuard.ApplyMethodFunc(l1BlockOrm, "GetL1Blocks", func(fields map[string]interface{}) ([]orm.L1Block, error) {
+		tmpInfo := []orm.L1Block{
+			{
+				Hash:            "gas-oracle-1",
+				Number:          0,
+				GasOracleStatus: int(types.GasOraclePending),
+			},
+		}
+		return tmpInfo, nil
+	})
+
+	convey.Convey("setL1BaseFee failure", t, func() {
+		targetErr := errors.New("pack setL1BaseFee error")
+		patchGuard.ApplyMethodFunc(l1Relayer.l1GasOracleABI, "Pack", func(name string, args ...interface{}) ([]byte, error) {
+			return nil, targetErr
+		})
+		l1Relayer.ProcessGasPriceOracle()
+	})
+
+	patchGuard.ApplyMethodFunc(l1Relayer.l1GasOracleABI, "Pack", func(name string, args ...interface{}) ([]byte, error) {
+		return []byte("for test"), nil
+	})
+
+	convey.Convey("send transaction failure", t, func() {
+		targetErr := errors.New("send transaction failure")
+		patchGuard.ApplyMethodFunc(l1Relayer.gasOracleSender, "SendTransaction", func(string, *common.Address, *big.Int, []byte, uint64) (hash common.Hash, err error) {
+			return common.Hash{}, targetErr
+		})
+		l1Relayer.ProcessGasPriceOracle()
+	})
+
+	patchGuard.ApplyMethodFunc(l1Relayer.gasOracleSender, "SendTransaction", func(string, *common.Address, *big.Int, []byte, uint64) (hash common.Hash, err error) {
+		return common.Hash{}, nil
+	})
+
+	convey.Convey("UpdateL1GasOracleStatusAndOracleTxHash failure", t, func() {
+		targetErr := errors.New("UpdateL1GasOracleStatusAndOracleTxHash failure")
+		patchGuard.ApplyMethodFunc(l1BlockOrm, "UpdateL1GasOracleStatusAndOracleTxHash", func(context.Context, string, types.GasOracleStatus, string) error {
+			return targetErr
+		})
+		l1Relayer.ProcessGasPriceOracle()
+	})
+
+	patchGuard.ApplyMethodFunc(l1BlockOrm, "UpdateL1GasOracleStatusAndOracleTxHash", func(context.Context, string, types.GasOracleStatus, string) error {
+		return nil
+	})
+
+	l1Relayer.ProcessGasPriceOracle()
+}

bridge/internal/controller/relayer/l2_relayer.go

@@ -0,0 +1,594 @@
+package relayer
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"math/big"
+	"sync"
+	"time"
+
+	"github.com/scroll-tech/go-ethereum/accounts/abi"
+	"github.com/scroll-tech/go-ethereum/common"
+	"github.com/scroll-tech/go-ethereum/ethclient"
+	"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/abi"
+	"scroll-tech/bridge/internal/config"
+	"scroll-tech/bridge/internal/controller/sender"
+	"scroll-tech/bridge/internal/orm"
+	bridgeTypes "scroll-tech/bridge/internal/types"
+)
+
+var (
+	bridgeL2BatchesFinalizedTotalCounter          = gethMetrics.NewRegisteredCounter("bridge/l2/batches/finalized/total", metrics.ScrollRegistry)
+	bridgeL2BatchesCommittedTotalCounter          = gethMetrics.NewRegisteredCounter("bridge/l2/batches/committed/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
+
+	db         *gorm.DB
+	batchOrm   *orm.Batch
+	chunkOrm   *orm.Chunk
+	l2BlockOrm *orm.L2Block
+
+	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 hash.
+	processingCommitment 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, initGenesis bool) (*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,
+		db:  db,
+
+		batchOrm:   orm.NewBatch(db),
+		l2BlockOrm: orm.NewL2Block(db),
+		chunkOrm:   orm.NewChunk(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{},
+		processingCommitment:   sync.Map{},
+		processingFinalization: sync.Map{},
+	}
+
+	// Initialize genesis before we do anything else
+	if initGenesis {
+		if err := layer2Relayer.initializeGenesis(); err != nil {
+			return nil, fmt.Errorf("failed to initialize and commit genesis batch, err: %v", err)
+		}
+	}
+
+	go layer2Relayer.handleConfirmLoop(ctx)
+	return layer2Relayer, nil
+}
+
+func (r *Layer2Relayer) initializeGenesis() error {
+	if count, err := r.batchOrm.GetBatchCount(r.ctx); err != nil {
+		return fmt.Errorf("failed to get batch count: %v", err)
+	} else if count > 0 {
+		log.Info("genesis already imported", "batch count", count)
+		return nil
+	}
+
+	genesis, err := r.l2Client.HeaderByNumber(r.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())
+
+	chunk := &bridgeTypes.Chunk{
+		Blocks: []*bridgeTypes.WrappedBlock{{
+			Header:           genesis,
+			Transactions:     nil,
+			WithdrawTrieRoot: common.Hash{},
+		}},
+	}
+
+	err = r.db.Transaction(func(dbTX *gorm.DB) error {
+		var dbChunk *orm.Chunk
+		dbChunk, err = r.chunkOrm.InsertChunk(r.ctx, chunk, dbTX)
+		if err != nil {
+			return fmt.Errorf("failed to insert chunk: %v", err)
+		}
+
+		if err = r.chunkOrm.UpdateProvingStatus(r.ctx, dbChunk.Hash, types.ProvingTaskVerified, dbTX); err != nil {
+			return fmt.Errorf("failed to update genesis chunk proving status: %v", err)
+		}
+
+		var batch *orm.Batch
+		batch, err = r.batchOrm.InsertBatch(r.ctx, 0, 0, dbChunk.Hash, dbChunk.Hash, []*bridgeTypes.Chunk{chunk}, dbTX)
+		if err != nil {
+			return fmt.Errorf("failed to insert batch: %v", err)
+		}
+
+		if err = r.chunkOrm.UpdateBatchHashInRange(r.ctx, 0, 0, batch.Hash, dbTX); err != nil {
+			return fmt.Errorf("failed to update batch hash for chunks: %v", err)
+		}
+
+		if err = r.batchOrm.UpdateProvingStatus(r.ctx, batch.Hash, types.ProvingTaskVerified, dbTX); err != nil {
+			return fmt.Errorf("failed to update genesis batch proving status: %v", err)
+		}
+
+		if err = r.batchOrm.UpdateRollupStatus(r.ctx, batch.Hash, types.RollupFinalized, dbTX); err != nil {
+			return fmt.Errorf("failed to update genesis batch rollup status: %v", err)
+		}
+
+		// commit genesis batch on L1
+		// note: we do this inside the DB transaction so that we can revert all DB changes if this step fails
+		return r.commitGenesisBatch(batch.Hash, batch.BatchHeader, common.HexToHash(batch.StateRoot))
+	})
+
+	if err != nil {
+		return fmt.Errorf("update genesis transaction failed: %v", err)
+	}
+
+	log.Info("successfully imported genesis chunk and batch")
+
+	return nil
+}
+
+func (r *Layer2Relayer) commitGenesisBatch(batchHash string, batchHeader []byte, stateRoot common.Hash) error {
+	// encode "importGenesisBatch" transaction calldata
+	calldata, err := r.l1RollupABI.Pack("importGenesisBatch", batchHeader, stateRoot)
+	if err != nil {
+		return fmt.Errorf("failed to pack importGenesisBatch with batch header: %v and state root: %v. error: %v", common.Bytes2Hex(batchHeader), stateRoot, err)
+	}
+
+	// submit genesis batch to L1 rollup contract
+	txHash, err := r.rollupSender.SendTransaction(batchHash, &r.cfg.RollupContractAddress, big.NewInt(0), calldata, 0)
+	if err != nil {
+		return fmt.Errorf("failed to send import genesis batch tx to L1, error: %v", err)
+	}
+	log.Info("importGenesisBatch transaction sent", "contract", r.cfg.RollupContractAddress, "txHash", txHash.String(), "batchHash", batchHash)
+
+	// wait for confirmation
+	// we assume that no other transactions are sent before initializeGenesis completes
+	ticker := time.NewTicker(10 * time.Second)
+	defer ticker.Stop()
+
+	for {
+		select {
+		// print progress
+		case <-ticker.C:
+			log.Info("Waiting for confirmation", "pending count", r.rollupSender.PendingCount())
+
+		// timeout
+		case <-time.After(5 * time.Minute):
+			return fmt.Errorf("import genesis timeout after 5 minutes, original txHash: %v", txHash.String())
+
+		// handle confirmation
+		case confirmation := <-r.rollupSender.ConfirmChan():
+			if confirmation.ID != batchHash {
+				return fmt.Errorf("unexpected import genesis confirmation id, expected: %v, got: %v", batchHash, confirmation.ID)
+			}
+			if !confirmation.IsSuccessful {
+				return fmt.Errorf("import genesis batch tx failed")
+			}
+			log.Info("Successfully committed genesis batch on L1", "txHash", confirmation.TxHash.String())
+			return nil
+		}
+	}
+}
+
+// ProcessGasPriceOracle imports gas price to layer1
+func (r *Layer2Relayer) ProcessGasPriceOracle() {
+	batch, err := r.batchOrm.GetLatestBatch(r.ctx)
+	if err != nil {
+		log.Error("Failed to GetLatestBatch", "err", err)
+		return
+	}
+
+	if types.GasOracleStatus(batch.OracleStatus) == types.GasOraclePending {
+		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.batchOrm.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)
+		}
+	}
+}
+
+// ProcessPendingBatches processes the pending batches by sending commitBatch transactions to layer 1.
+func (r *Layer2Relayer) ProcessPendingBatches() {
+	// get pending batches from database in ascending order by their index.
+	pendingBatches, err := r.batchOrm.GetPendingBatches(r.ctx, 10)
+	if err != nil {
+		log.Error("Failed to fetch pending L2 batches", "err", err)
+		return
+	}
+	for _, batch := range pendingBatches {
+		// get current header and parent header.
+		currentBatchHeader, err := bridgeTypes.DecodeBatchHeader(batch.BatchHeader)
+		if err != nil {
+			log.Error("Failed to decode batch header", "index", batch.Index, "error", err)
+			return
+		}
+		parentBatch := &orm.Batch{}
+		if batch.Index > 0 {
+			parentBatch, err = r.batchOrm.GetBatchByIndex(r.ctx, batch.Index-1)
+			if err != nil {
+				log.Error("Failed to get parent batch header", "index", batch.Index-1, "error", err)
+				return
+			}
+		}
+
+		// get the chunks for the batch
+		startChunkIndex := batch.StartChunkIndex
+		endChunkIndex := batch.EndChunkIndex
+		dbChunks, err := r.chunkOrm.GetChunksInRange(r.ctx, startChunkIndex, endChunkIndex)
+		if err != nil {
+			log.Error("Failed to fetch chunks",
+				"start index", startChunkIndex,
+				"end index", endChunkIndex, "error", err)
+			return
+		}
+
+		encodedChunks := make([][]byte, len(dbChunks))
+		for i, c := range dbChunks {
+			var wrappedBlocks []*bridgeTypes.WrappedBlock
+			wrappedBlocks, err = r.l2BlockOrm.GetL2BlocksInRange(r.ctx, c.StartBlockNumber, c.EndBlockNumber)
+			if err != nil {
+				log.Error("Failed to fetch wrapped blocks",
+					"start number", c.StartBlockNumber,
+					"end number", c.EndBlockNumber, "error", err)
+				return
+			}
+			chunk := &bridgeTypes.Chunk{
+				Blocks: wrappedBlocks,
+			}
+			var chunkBytes []byte
+			chunkBytes, err = chunk.Encode(c.TotalL1MessagesPoppedBefore)
+			if err != nil {
+				log.Error("Failed to encode chunk", "error", err)
+				return
+			}
+			encodedChunks[i] = chunkBytes
+		}
+
+		calldata, err := r.l1RollupABI.Pack("commitBatch", currentBatchHeader.Version(), parentBatch.BatchHeader, encodedChunks, currentBatchHeader.SkippedL1MessageBitmap())
+		if err != nil {
+			log.Error("Failed to pack commitBatch", "index", batch.Index, "error", err)
+			return
+		}
+
+		// send transaction
+		txID := batch.Hash + "-commit"
+		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 commitBatch tx to layer1 ", "err", err)
+			}
+			return
+		}
+
+		err = r.batchOrm.UpdateCommitTxHashAndRollupStatus(r.ctx, batch.Hash, txHash.String(), types.RollupCommitting)
+		if err != nil {
+			log.Error("UpdateCommitTxHashAndRollupStatus failed", "hash", batch.Hash, "index", batch.Index, "err", err)
+			return
+		}
+		bridgeL2BatchesCommittedTotalCounter.Inc(1)
+		r.processingCommitment.Store(txID, batch.Hash)
+		log.Info("Sent the commitBatch tx to layer1", "batch index", batch.Index, "batch hash", batch.Hash, "tx hash", txHash.Hex())
+	}
+}
+
+// ProcessCommittedBatches submit proof to layer 1 rollup contract
+func (r *Layer2Relayer) ProcessCommittedBatches() {
+	// set skipped batches in a single db operation
+	if count, err := r.batchOrm.UpdateSkippedBatches(r.ctx); err != nil {
+		log.Error("UpdateSkippedBatches failed", "err", err)
+		// continue anyway
+	} else if count > 0 {
+		bridgeL2BatchesSkippedTotalCounter.Inc(int64(count))
+		log.Info("Skipping batches", "count", count)
+	}
+
+	// retrieves the earliest batch whose rollup status is 'committed'
+	fields := map[string]interface{}{
+		"rollup_status": types.RollupCommitted,
+	}
+	orderByList := []string{"index ASC"}
+	limit := 1
+	batches, err := r.batchOrm.GetBatches(r.ctx, fields, orderByList, limit)
+	if err != nil {
+		log.Error("Failed to fetch committed L2 batches", "err", err)
+		return
+	}
+	if len(batches) != 1 {
+		log.Warn("Unexpected result for GetBlockBatches", "number of batches", len(batches))
+		return
+	}
+
+	batch := batches[0]
+	hash := batch.Hash
+	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.batchOrm.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
+
+		var parentBatchStateRoot string
+		if batch.Index > 0 {
+			var parentBatch *orm.Batch
+			parentBatch, err = r.batchOrm.GetBatchByIndex(r.ctx, batch.Index-1)
+			// handle unexpected db error
+			if err != nil {
+				log.Error("Failed to get batch", "index", batch.Index-1, "err", err)
+				return
+			}
+			parentBatchStateRoot = parentBatch.StateRoot
+		}
+
+		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.batchOrm.UpdateRollupStatus(r.ctx, hash, types.RollupFinalizationSkipped); err != nil {
+					log.Warn("UpdateRollupStatus failed", "hash", hash, "err", err)
+				}
+			}
+		}()
+
+		aggProof, err := r.batchOrm.GetVerifiedProofByHash(r.ctx, hash)
+		if err != nil {
+			log.Warn("get verified proof by hash failed", "hash", hash, "err", err)
+			return
+		}
+
+		if err = aggProof.SanityCheck(); err != nil {
+			log.Warn("agg_proof sanity check fails", "hash", hash, "error", err)
+			return
+		}
+
+		data, err := r.l1RollupABI.Pack(
+			"finalizeBatchWithProof",
+			batch.BatchHeader,
+			common.HexToHash(parentBatchStateRoot),
+			common.HexToHash(batch.StateRoot),
+			common.HexToHash(batch.WithdrawRoot),
+			aggProof.Proof,
+		)
+		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",
+					"index", batch.Index, "hash", batch.Hash, "err", err)
+			}
+			return
+		}
+		bridgeL2BatchesFinalizedTotalCounter.Inc(1)
+		log.Info("finalizeBatchWithProof in layer1", "index", batch.Index, "batch hash", batch.Hash, "tx hash", hash)
+
+		// record and sync with db, @todo handle db error
+		err = r.batchOrm.UpdateFinalizeTxHashAndRollupStatus(r.ctx, hash, finalizeTxHash.String(), types.RollupFinalizing)
+		if err != nil {
+			log.Warn("UpdateFinalizeTxHashAndRollupStatus failed",
+				"index", batch.Index, "batch hash", batch.Hash,
+				"tx hash", finalizeTxHash.String(), "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 CommitBatches transaction
+	if batchHash, ok := r.processingCommitment.Load(confirmation.ID); ok {
+		transactionType = "BatchesCommitment"
+		var status types.RollupStatus
+		if confirmation.IsSuccessful {
+			status = types.RollupCommitted
+		} else {
+			status = types.RollupCommitFailed
+			log.Warn("transaction confirmed but failed in layer1", "confirmation", confirmation)
+		}
+		// @todo handle db error
+		err := r.batchOrm.UpdateCommitTxHashAndRollupStatus(r.ctx, batchHash.(string), confirmation.TxHash.String(), status)
+		if err != nil {
+			log.Warn("UpdateCommitTxHashAndRollupStatus failed",
+				"batch hash", batchHash.(string),
+				"tx hash", confirmation.TxHash.String(), "err", err)
+		}
+		bridgeL2BatchesCommittedConfirmedTotalCounter.Inc(1)
+		r.processingCommitment.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.batchOrm.UpdateFinalizeTxHashAndRollupStatus(r.ctx, batchHash.(string), confirmation.TxHash.String(), status)
+		if err != nil {
+			log.Warn("UpdateFinalizeTxHashAndRollupStatus failed",
+				"batch hash", batchHash.(string),
+				"tx hash", confirmation.TxHash.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.batchOrm.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.batchOrm.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 +1,357 @@
+package relayer
+
+import (
+	"context"
+	"errors"
+	"math/big"
+	"testing"
+
+	"github.com/agiledragon/gomonkey/v2"
+	"github.com/scroll-tech/go-ethereum/common"
+	"github.com/smartystreets/goconvey/convey"
+	"github.com/stretchr/testify/assert"
+	"gorm.io/gorm"
+
+	"scroll-tech/common/types"
+	"scroll-tech/common/types/message"
+	"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"
+)
+
+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, false)
+	assert.NoError(t, err)
+	assert.NotNil(t, relayer)
+}
+
+func testL2RelayerProcessPendingBatches(t *testing.T) {
+	db := setupL2RelayerDB(t)
+	defer bridgeUtils.CloseDB(db)
+
+	l2Cfg := cfg.L2Config
+	relayer, err := NewLayer2Relayer(context.Background(), l2Cli, db, l2Cfg.RelayerConfig, false)
+	assert.NoError(t, err)
+
+	l2BlockOrm := orm.NewL2Block(db)
+	err = l2BlockOrm.InsertL2Blocks(context.Background(), []*bridgeTypes.WrappedBlock{wrappedBlock1, wrappedBlock2})
+	assert.NoError(t, err)
+	chunkOrm := orm.NewChunk(db)
+	dbChunk1, err := chunkOrm.InsertChunk(context.Background(), chunk1)
+	assert.NoError(t, err)
+	dbChunk2, err := chunkOrm.InsertChunk(context.Background(), chunk2)
+	assert.NoError(t, err)
+	batchOrm := orm.NewBatch(db)
+	batch, err := batchOrm.InsertBatch(context.Background(), 0, 1, dbChunk1.Hash, dbChunk2.Hash, []*bridgeTypes.Chunk{chunk1, chunk2})
+	assert.NoError(t, err)
+
+	relayer.ProcessPendingBatches()
+
+	statuses, err := batchOrm.GetRollupStatusByHashList(context.Background(), []string{batch.Hash})
+	assert.NoError(t, err)
+	assert.Equal(t, 1, len(statuses))
+	assert.Equal(t, types.RollupCommitting, statuses[0])
+}
+
+func testL2RelayerProcessCommittedBatches(t *testing.T) {
+	db := setupL2RelayerDB(t)
+	defer bridgeUtils.CloseDB(db)
+
+	l2Cfg := cfg.L2Config
+	relayer, err := NewLayer2Relayer(context.Background(), l2Cli, db, l2Cfg.RelayerConfig, false)
+	assert.NoError(t, err)
+	batchOrm := orm.NewBatch(db)
+	batch, err := batchOrm.InsertBatch(context.Background(), 0, 1, chunkHash1.Hex(), chunkHash2.Hex(), []*bridgeTypes.Chunk{chunk1, chunk2})
+	assert.NoError(t, err)
+
+	err = batchOrm.UpdateRollupStatus(context.Background(), batch.Hash, types.RollupCommitted)
+	assert.NoError(t, err)
+
+	err = batchOrm.UpdateProvingStatus(context.Background(), batch.Hash, types.ProvingTaskVerified)
+	assert.NoError(t, err)
+
+	relayer.ProcessCommittedBatches()
+
+	statuses, err := batchOrm.GetRollupStatusByHashList(context.Background(), []string{batch.Hash})
+	assert.NoError(t, err)
+	assert.Equal(t, 1, len(statuses))
+	assert.Equal(t, types.RollupFinalizationSkipped, statuses[0])
+
+	err = batchOrm.UpdateRollupStatus(context.Background(), batch.Hash, types.RollupCommitted)
+	assert.NoError(t, err)
+	proof := &message.AggProof{
+		Proof:     []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},
+		FinalPair: []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 = batchOrm.UpdateProofByHash(context.Background(), batch.Hash, proof, 100)
+	assert.NoError(t, err)
+
+	relayer.ProcessCommittedBatches()
+	statuses, err = batchOrm.GetRollupStatusByHashList(context.Background(), []string{batch.Hash})
+	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, false)
+	assert.NoError(t, err)
+
+	batchOrm := orm.NewBatch(db)
+	createBatch := func(rollupStatus types.RollupStatus, provingStatus types.ProvingStatus) string {
+		batch, err := batchOrm.InsertBatch(context.Background(), 0, 1, chunkHash1.Hex(), chunkHash2.Hex(), []*bridgeTypes.Chunk{chunk1, chunk2})
+		assert.NoError(t, err)
+
+		err = batchOrm.UpdateRollupStatus(context.Background(), batch.Hash, rollupStatus)
+		assert.NoError(t, err)
+
+		proof := &message.AggProof{
+			Proof:     []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},
+			FinalPair: []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 = batchOrm.UpdateProofByHash(context.Background(), batch.Hash, proof, 100)
+		assert.NoError(t, err)
+		err = batchOrm.UpdateProvingStatus(context.Background(), batch.Hash, provingStatus)
+		assert.NoError(t, err)
+		return batch.Hash
+	}
+
+	skipped := []string{
+		createBatch(types.RollupCommitted, types.ProvingTaskSkipped),
+		createBatch(types.RollupCommitted, types.ProvingTaskFailed),
+	}
+
+	notSkipped := []string{
+		createBatch(types.RollupPending, types.ProvingTaskSkipped),
+		createBatch(types.RollupCommitting, types.ProvingTaskSkipped),
+		createBatch(types.RollupFinalizing, types.ProvingTaskSkipped),
+		createBatch(types.RollupFinalized, types.ProvingTaskSkipped),
+		createBatch(types.RollupPending, types.ProvingTaskFailed),
+		createBatch(types.RollupCommitting, types.ProvingTaskFailed),
+		createBatch(types.RollupFinalizing, types.ProvingTaskFailed),
+		createBatch(types.RollupFinalized, types.ProvingTaskFailed),
+		createBatch(types.RollupCommitted, types.ProvingTaskVerified),
+	}
+
+	relayer.ProcessCommittedBatches()
+
+	for _, id := range skipped {
+		statuses, err := batchOrm.GetRollupStatusByHashList(context.Background(), []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 := batchOrm.GetRollupStatusByHashList(context.Background(), []string{id})
+		assert.NoError(t, err)
+		assert.Equal(t, 1, len(statuses))
+		assert.NotEqual(t, types.RollupFinalizationSkipped, statuses[0])
+	}
+}
+
+func testL2RelayerRollupConfirm(t *testing.T) {
+	db := setupL2RelayerDB(t)
+	defer bridgeUtils.CloseDB(db)
+
+	// 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, false)
+	assert.NoError(t, err)
+
+	// Simulate message confirmations.
+	processingKeys := []string{"committed-1", "committed-2", "finalized-1", "finalized-2"}
+	isSuccessful := []bool{true, false, true, false}
+
+	batchOrm := orm.NewBatch(db)
+	batchHashes := make([]string, len(processingKeys))
+	for i := range batchHashes {
+		batch, err := batchOrm.InsertBatch(context.Background(), 0, 1, chunkHash1.Hex(), chunkHash2.Hex(), []*bridgeTypes.Chunk{chunk1, chunk2})
+		assert.NoError(t, err)
+		batchHashes[i] = batch.Hash
+	}
+
+	for i, key := range processingKeys[:2] {
+		l2Relayer.processingCommitment.Store(key, batchHashes[i])
+		l2Relayer.rollupSender.SendConfirmation(&sender.Confirmation{
+			ID:           key,
+			IsSuccessful: isSuccessful[i],
+			TxHash:       common.HexToHash("0x123456789abcdef"),
+		})
+	}
+
+	for i, key := range processingKeys[2:] {
+		l2Relayer.processingFinalization.Store(key, batchHashes[i+2])
+		l2Relayer.rollupSender.SendConfirmation(&sender.Confirmation{
+			ID:           key,
+			IsSuccessful: isSuccessful[i+2],
+			TxHash:       common.HexToHash("0x123456789abcdef"),
+		})
+	}
+
+	// Check the database for the updated status using TryTimes.
+	ok := utils.TryTimes(5, func() bool {
+		expectedStatuses := []types.RollupStatus{
+			types.RollupCommitted,
+			types.RollupCommitFailed,
+			types.RollupFinalized,
+			types.RollupFinalizeFailed,
+		}
+
+		for i, batchHash := range batchHashes {
+			batchInDB, err := batchOrm.GetBatches(context.Background(), map[string]interface{}{"hash": batchHash}, 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)
+
+	batchOrm := orm.NewBatch(db)
+	batch1, err := batchOrm.InsertBatch(context.Background(), 0, 0, chunkHash1.Hex(), chunkHash1.Hex(), []*bridgeTypes.Chunk{chunk1})
+	assert.NoError(t, err)
+
+	batch2, err := batchOrm.InsertBatch(context.Background(), 1, 1, chunkHash2.Hex(), chunkHash2.Hex(), []*bridgeTypes.Chunk{chunk2})
+	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, false)
+	assert.NoError(t, err)
+
+	// Simulate message confirmations.
+	type BatchConfirmation struct {
+		batchHash    string
+		isSuccessful bool
+	}
+
+	confirmations := []BatchConfirmation{
+		{batchHash: batch1.Hash, isSuccessful: true},
+		{batchHash: batch2.Hash, isSuccessful: false},
+	}
+
+	for _, confirmation := range confirmations {
+		l2Relayer.gasOracleSender.SendConfirmation(&sender.Confirmation{
+			ID:           confirmation.batchHash,
+			IsSuccessful: confirmation.isSuccessful,
+		})
+	}
+	// Check the database for the updated status using TryTimes.
+	ok := utils.TryTimes(5, func() bool {
+		expectedStatuses := []types.GasOracleStatus{types.GasOracleImported, types.GasOracleFailed}
+		for i, confirmation := range confirmations {
+			gasOracle, err := batchOrm.GetBatches(context.Background(), map[string]interface{}{"hash": confirmation.batchHash}, nil, 0)
+			if err != nil || len(gasOracle) != 1 || types.GasOracleStatus(gasOracle[0].OracleStatus) != expectedStatuses[i] {
+				return false
+			}
+		}
+		return true
+	})
+	assert.True(t, ok)
+}
+
+func testLayer2RelayerProcessGasPriceOracle(t *testing.T) {
+	db := setupL2RelayerDB(t)
+	defer bridgeUtils.CloseDB(db)
+
+	relayer, err := NewLayer2Relayer(context.Background(), l2Cli, db, cfg.L2Config.RelayerConfig, false)
+	assert.NoError(t, err)
+	assert.NotNil(t, relayer)
+
+	var batchOrm *orm.Batch
+	convey.Convey("Failed to GetLatestBatch", t, func() {
+		targetErr := errors.New("GetLatestBatch error")
+		patchGuard := gomonkey.ApplyMethodFunc(batchOrm, "GetLatestBatch", func(context.Context) (*orm.Batch, error) {
+			return nil, targetErr
+		})
+		defer patchGuard.Reset()
+		relayer.ProcessGasPriceOracle()
+	})
+
+	patchGuard := gomonkey.ApplyMethodFunc(batchOrm, "GetLatestBatch", func(context.Context) (*orm.Batch, error) {
+		batch := orm.Batch{
+			OracleStatus: int16(types.GasOraclePending),
+			Hash:         "0x0000000000000000000000000000000000000000",
+		}
+		return &batch, nil
+	})
+	defer patchGuard.Reset()
+
+	convey.Convey("Failed to fetch SuggestGasPrice from l2geth", t, func() {
+		targetErr := errors.New("SuggestGasPrice error")
+		patchGuard.ApplyMethodFunc(relayer.l2Client, "SuggestGasPrice", func(ctx context.Context) (*big.Int, error) {
+			return nil, targetErr
+		})
+		relayer.ProcessGasPriceOracle()
+	})
+
+	patchGuard.ApplyMethodFunc(relayer.l2Client, "SuggestGasPrice", func(ctx context.Context) (*big.Int, error) {
+		return big.NewInt(100), nil
+	})
+
+	convey.Convey("Failed to pack setL2BaseFee", t, func() {
+		targetErr := errors.New("setL2BaseFee error")
+		patchGuard.ApplyMethodFunc(relayer.l2GasOracleABI, "Pack", func(name string, args ...interface{}) ([]byte, error) {
+			return nil, targetErr
+		})
+		relayer.ProcessGasPriceOracle()
+	})
+
+	patchGuard.ApplyMethodFunc(relayer.l2GasOracleABI, "Pack", func(name string, args ...interface{}) ([]byte, error) {
+		return nil, nil
+	})
+
+	convey.Convey("Failed to send setL2BaseFee tx to layer2", t, func() {
+		targetErr := errors.New("failed to send setL2BaseFee tx to layer2 error")
+		patchGuard.ApplyMethodFunc(relayer.gasOracleSender, "SendTransaction", func(ID string, target *common.Address, value *big.Int, data []byte, minGasLimit uint64) (hash common.Hash, err error) {
+			return common.Hash{}, targetErr
+		})
+		relayer.ProcessGasPriceOracle()
+	})
+
+	patchGuard.ApplyMethodFunc(relayer.gasOracleSender, "SendTransaction", func(ID string, target *common.Address, value *big.Int, data []byte, minGasLimit uint64) (hash common.Hash, err error) {
+		return common.HexToHash("0x56789abcdef1234"), nil
+	})
+
+	convey.Convey("UpdateGasOracleStatusAndOracleTxHash failed", t, func() {
+		targetErr := errors.New("UpdateL2GasOracleStatusAndOracleTxHash error")
+		patchGuard.ApplyMethodFunc(batchOrm, "UpdateL2GasOracleStatusAndOracleTxHash", func(ctx context.Context, hash string, status types.GasOracleStatus, txHash string) error {
+			return targetErr
+		})
+		relayer.ProcessGasPriceOracle()
+	})
+
+	patchGuard.ApplyMethodFunc(batchOrm, "UpdateL2GasOracleStatusAndOracleTxHash", func(ctx context.Context, hash string, status types.GasOracleStatus, txHash string) error {
+		return nil
+	})
+	relayer.ProcessGasPriceOracle()
+}

bridge/internal/controller/relayer/relayer_test.go

@@ -0,0 +1,103 @@
+package relayer
+
+import (
+	"encoding/json"
+	"os"
+	"testing"
+
+	"github.com/scroll-tech/go-ethereum/common"
+	"github.com/scroll-tech/go-ethereum/ethclient"
+	"github.com/stretchr/testify/assert"
+
+	"scroll-tech/common/docker"
+
+	"scroll-tech/bridge/internal/config"
+	bridgeTypes "scroll-tech/bridge/internal/types"
+)
+
+var (
+	// config
+	cfg *config.Config
+
+	base *docker.App
+
+	// l2geth client
+	l2Cli *ethclient.Client
+
+	// l2 block
+	wrappedBlock1 *bridgeTypes.WrappedBlock
+	wrappedBlock2 *bridgeTypes.WrappedBlock
+
+	// chunk
+	chunk1     *bridgeTypes.Chunk
+	chunk2     *bridgeTypes.Chunk
+	chunkHash1 common.Hash
+	chunkHash2 common.Hash
+)
+
+func setupEnv(t *testing.T) {
+	// Load config.
+	var err error
+	cfg, err = config.NewConfig("../../../conf/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 = &config.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")
+	assert.NoError(t, err)
+	wrappedBlock1 = &bridgeTypes.WrappedBlock{}
+	err = json.Unmarshal(templateBlockTrace1, wrappedBlock1)
+	assert.NoError(t, err)
+	chunk1 = &bridgeTypes.Chunk{Blocks: []*bridgeTypes.WrappedBlock{wrappedBlock1}}
+	chunkHash1, err = chunk1.Hash(0)
+	assert.NoError(t, err)
+
+	templateBlockTrace2, err := os.ReadFile("../../../testdata/blockTrace_03.json")
+	assert.NoError(t, err)
+	wrappedBlock2 = &bridgeTypes.WrappedBlock{}
+	err = json.Unmarshal(templateBlockTrace2, wrappedBlock2)
+	assert.NoError(t, err)
+	chunk2 = &bridgeTypes.Chunk{Blocks: []*bridgeTypes.WrappedBlock{wrappedBlock2}}
+	chunkHash2, err = chunk2.Hash(chunk1.NumL1Messages(0))
+	assert.NoError(t, err)
+}
+
+func TestMain(m *testing.M) {
+	base = docker.NewDockerApp()
+
+	m.Run()
+
+	base.Free()
+}
+
+func TestFunctions(t *testing.T) {
+	setupEnv(t)
+	// Run l1 relayer test cases.
+	t.Run("TestCreateNewL1Relayer", testCreateNewL1Relayer)
+	t.Run("TestL1RelayerProcessSaveEvents", testL1RelayerProcessSaveEvents)
+	t.Run("TestL1RelayerMsgConfirm", testL1RelayerMsgConfirm)
+	t.Run("TestL1RelayerGasOracleConfirm", testL1RelayerGasOracleConfirm)
+	t.Run("TestL1RelayerProcessGasPriceOracle", testL1RelayerProcessGasPriceOracle)
+
+	// Run l2 relayer test cases.
+	t.Run("TestCreateNewRelayer", testCreateNewRelayer)
+	t.Run("TestL2RelayerProcessPendingBatches", testL2RelayerProcessPendingBatches)
+	t.Run("TestL2RelayerProcessCommittedBatches", testL2RelayerProcessCommittedBatches)
+	t.Run("TestL2RelayerSkipBatches", testL2RelayerSkipBatches)
+	t.Run("TestL2RelayerRollupConfirm", testL2RelayerRollupConfirm)
+	t.Run("TestL2RelayerGasOracleConfirm", testL2RelayerGasOracleConfirm)
+	t.Run("TestLayer2RelayerProcessGasPriceOracle", testLayer2RelayerProcessGasPriceOracle)
+}

bridge/internal/controller/sender/sender.go

@@ -17,8 +17,8 @@ import (
 	"github.com/scroll-tech/go-ethereum/ethclient"
 	"github.com/scroll-tech/go-ethereum/log"
 
-	"scroll-tech/bridge/config"
-	"scroll-tech/bridge/utils"
+	"scroll-tech/bridge/internal/config"
+	"scroll-tech/bridge/internal/utils"
 )
 
 const (

bridge/internal/controller/sender/sender_test.go

@@ -9,19 +9,20 @@ import (
 	"testing"
 	"time"
 
-	"golang.org/x/sync/errgroup"
-
+	"github.com/agiledragon/gomonkey/v2"
 	cmap "github.com/orcaman/concurrent-map"
+	"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/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/config"
+	"scroll-tech/bridge/internal/config"
 )
 
 const TXBatch = 50
@@ -43,7 +44,7 @@ func TestMain(m *testing.M) {
 
 func setupEnv(t *testing.T) {
 	var err error
-	cfg, err = config.NewConfig("../config.json")
+	cfg, err = config.NewConfig("../../../conf/config.json")
 	assert.NoError(t, err)
 	base.RunImages(t)
 	priv, err := crypto.HexToECDSA("1212121212121212121212121212121212121212121212121212121212121212")
@@ -63,7 +64,8 @@ func TestSender(t *testing.T) {
 	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 resubmit transaction", testResubmitTransaction)
+	t.Run("test check pending transaction", testCheckPendingTransaction)
 
 	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) })
@@ -152,6 +154,95 @@ func testResubmitTransaction(t *testing.T) {
 	}
 }
 
+func testCheckPendingTransaction(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)
+
+		header := &types.Header{Number: big.NewInt(100), BaseFee: big.NewInt(100)}
+		confirmed := uint64(100)
+		receipt := &types.Receipt{Status: types.ReceiptStatusSuccessful, BlockNumber: big.NewInt(90)}
+		auth := s.auths.getAccount()
+		tx := types.NewTransaction(auth.Nonce.Uint64(), common.Address{}, big.NewInt(0), 0, big.NewInt(0), nil)
+
+		testCases := []struct {
+			name          string
+			receipt       *types.Receipt
+			receiptErr    error
+			resubmitErr   error
+			expectedCount int
+			expectedFound bool
+		}{
+			{
+				name:          "Normal case, transaction receipt exists and successful",
+				receipt:       receipt,
+				receiptErr:    nil,
+				resubmitErr:   nil,
+				expectedCount: 0,
+				expectedFound: false,
+			},
+			{
+				name:          "Resubmit case, resubmitTransaction error (not nonce) case",
+				receipt:       receipt,
+				receiptErr:    errors.New("receipt error"),
+				resubmitErr:   errors.New("resubmit error"),
+				expectedCount: 1,
+				expectedFound: true,
+			},
+			{
+				name:          "Resubmit case, resubmitTransaction success case",
+				receipt:       receipt,
+				receiptErr:    errors.New("receipt error"),
+				resubmitErr:   nil,
+				expectedCount: 1,
+				expectedFound: true,
+			},
+		}
+
+		for _, tc := range testCases {
+			t.Run(tc.name, func(t *testing.T) {
+				var c *ethclient.Client
+				patchGuard := gomonkey.ApplyMethodFunc(c, "TransactionReceipt", func(ctx context.Context, txHash common.Hash) (*types.Receipt, error) {
+					return tc.receipt, tc.receiptErr
+				})
+				patchGuard.ApplyPrivateMethod(s, "resubmitTransaction",
+					func(feeData *FeeData, auth *bind.TransactOpts, tx *types.Transaction) (*types.Transaction, error) {
+						return tx, tc.resubmitErr
+					},
+				)
+
+				pendingTx := &PendingTransaction{id: "abc", tx: tx, submitAt: header.Number.Uint64() - s.config.EscalateBlocks - 1}
+				s.pendingTxs.Set(pendingTx.id, pendingTx)
+				s.checkPendingTransaction(header, confirmed)
+
+				if tc.receiptErr == nil {
+					expectedConfirmation := &Confirmation{
+						ID:           pendingTx.id,
+						IsSuccessful: tc.receipt.Status == types.ReceiptStatusSuccessful,
+						TxHash:       pendingTx.tx.Hash(),
+					}
+					actualConfirmation := <-s.confirmCh
+					assert.Equal(t, expectedConfirmation, actualConfirmation)
+				}
+
+				if tc.expectedFound && tc.resubmitErr == nil {
+					actualPendingTx, found := s.pendingTxs.Get(pendingTx.id)
+					assert.Equal(t, true, found)
+					assert.Equal(t, header.Number.Uint64(), actualPendingTx.submitAt)
+				}
+
+				_, found := s.pendingTxs.Get(pendingTx.id)
+				assert.Equal(t, tc.expectedFound, found)
+				assert.Equal(t, tc.expectedCount, s.pendingTxs.Count())
+				patchGuard.Reset()
+			})
+		}
+		s.Stop()
+	}
+}
+
 func testBatchSender(t *testing.T, batchSize int) {
 	for _, txType := range txTypes {
 		for len(privateKeys) < batchSize {

bridge/internal/controller/watcher/batch_proposer.go

@@ -0,0 +1,171 @@
+package watcher
+
+import (
+	"context"
+	"fmt"
+	"time"
+
+	"github.com/scroll-tech/go-ethereum/log"
+	"gorm.io/gorm"
+
+	"scroll-tech/bridge/internal/config"
+	"scroll-tech/bridge/internal/orm"
+	bridgeTypes "scroll-tech/bridge/internal/types"
+)
+
+// BatchProposer proposes batches based on available unbatched chunks.
+type BatchProposer struct {
+	ctx context.Context
+	db  *gorm.DB
+
+	batchOrm *orm.Batch
+	chunkOrm *orm.Chunk
+	l2Block  *orm.L2Block
+
+	maxChunkNumPerBatch             uint64
+	maxL1CommitGasPerBatch          uint64
+	maxL1CommitCalldataSizePerBatch uint64
+	minChunkNumPerBatch             uint64
+	batchTimeoutSec                 uint64
+}
+
+// NewBatchProposer creates a new BatchProposer instance.
+func NewBatchProposer(ctx context.Context, cfg *config.BatchProposerConfig, db *gorm.DB) *BatchProposer {
+	return &BatchProposer{
+		ctx:                             ctx,
+		db:                              db,
+		batchOrm:                        orm.NewBatch(db),
+		chunkOrm:                        orm.NewChunk(db),
+		l2Block:                         orm.NewL2Block(db),
+		maxChunkNumPerBatch:             cfg.MaxChunkNumPerBatch,
+		maxL1CommitGasPerBatch:          cfg.MaxL1CommitGasPerBatch,
+		maxL1CommitCalldataSizePerBatch: cfg.MaxL1CommitCalldataSizePerBatch,
+		minChunkNumPerBatch:             cfg.MinChunkNumPerBatch,
+		batchTimeoutSec:                 cfg.BatchTimeoutSec,
+	}
+}
+
+// TryProposeBatch tries to propose a new batches.
+func (p *BatchProposer) TryProposeBatch() {
+	dbChunks, err := p.proposeBatchChunks()
+	if err != nil {
+		log.Error("proposeBatchChunks failed", "err", err)
+		return
+	}
+	if err := p.updateBatchInfoInDB(dbChunks); err != nil {
+		log.Error("update batch info in db failed", "err", err)
+	}
+}
+
+func (p *BatchProposer) updateBatchInfoInDB(dbChunks []*orm.Chunk) error {
+	numChunks := len(dbChunks)
+	if numChunks <= 0 {
+		return nil
+	}
+	chunks, err := p.dbChunksToBridgeChunks(dbChunks)
+	if err != nil {
+		return err
+	}
+
+	startChunkIndex := dbChunks[0].Index
+	startChunkHash := dbChunks[0].Hash
+	endChunkIndex := dbChunks[numChunks-1].Index
+	endChunkHash := dbChunks[numChunks-1].Hash
+	err = p.db.Transaction(func(dbTX *gorm.DB) error {
+		batch, dbErr := p.batchOrm.InsertBatch(p.ctx, startChunkIndex, endChunkIndex, startChunkHash, endChunkHash, chunks, dbTX)
+		if dbErr != nil {
+			return dbErr
+		}
+		dbErr = p.chunkOrm.UpdateBatchHashInRange(p.ctx, startChunkIndex, endChunkIndex, batch.Hash, dbTX)
+		if dbErr != nil {
+			return dbErr
+		}
+		return nil
+	})
+	return err
+}
+
+func (p *BatchProposer) proposeBatchChunks() ([]*orm.Chunk, error) {
+	dbChunks, err := p.chunkOrm.GetUnbatchedChunks(p.ctx)
+	if err != nil {
+		return nil, err
+	}
+
+	if len(dbChunks) == 0 {
+		log.Warn("No Unbatched Chunks")
+		return nil, nil
+	}
+
+	firstChunk := dbChunks[0]
+	totalL1CommitCalldataSize := firstChunk.TotalL1CommitCalldataSize
+	totalL1CommitGas := firstChunk.TotalL1CommitGas
+	var totalChunks uint64 = 1
+
+	// Check if the first chunk breaks hard limits.
+	// If so, it indicates there are bugs in chunk-proposer, manual fix is needed.
+	if totalL1CommitGas > p.maxL1CommitGasPerBatch {
+		return nil, fmt.Errorf(
+			"the first chunk exceeds l1 commit gas limit; start block number: %v, end block number: %v, commit gas: %v, max commit gas limit: %v",
+			firstChunk.StartBlockNumber,
+			firstChunk.EndBlockNumber,
+			totalL1CommitGas,
+			p.maxL1CommitGasPerBatch,
+		)
+	}
+
+	if totalL1CommitCalldataSize > p.maxL1CommitCalldataSizePerBatch {
+		return nil, fmt.Errorf(
+			"the first chunk exceeds l1 commit calldata size limit; start block number: %v, end block number %v, calldata size: %v, max calldata size limit: %v",
+			firstChunk.StartBlockNumber,
+			firstChunk.EndBlockNumber,
+			totalL1CommitCalldataSize,
+			p.maxL1CommitCalldataSizePerBatch,
+		)
+	}
+
+	for i, chunk := range dbChunks[1:] {
+		totalChunks++
+		totalL1CommitCalldataSize += chunk.TotalL1CommitCalldataSize
+		totalL1CommitGas += chunk.TotalL1CommitGas
+		if totalChunks > p.maxChunkNumPerBatch ||
+			totalL1CommitCalldataSize > p.maxL1CommitCalldataSizePerBatch ||
+			totalL1CommitGas > p.maxL1CommitGasPerBatch {
+			return dbChunks[:i+1], nil
+		}
+	}
+
+	var hasChunkTimeout bool
+	currentTimeSec := uint64(time.Now().Unix())
+	if dbChunks[0].StartBlockTime+p.batchTimeoutSec < currentTimeSec {
+		log.Warn("first block timeout",
+			"start block number", dbChunks[0].StartBlockNumber,
+			"first block timestamp", dbChunks[0].StartBlockTime,
+			"chunk outdated time threshold", currentTimeSec,
+		)
+		hasChunkTimeout = true
+	}
+
+	if !hasChunkTimeout && uint64(len(dbChunks)) < p.minChunkNumPerBatch {
+		log.Warn("The payload size of the batch is less than the minimum limit",
+			"chunk num", len(dbChunks), "minChunkNumPerBatch", p.minChunkNumPerBatch,
+		)
+		return nil, nil
+	}
+	return dbChunks, nil
+}
+
+func (p *BatchProposer) dbChunksToBridgeChunks(dbChunks []*orm.Chunk) ([]*bridgeTypes.Chunk, error) {
+	chunks := make([]*bridgeTypes.Chunk, len(dbChunks))
+	for i, c := range dbChunks {
+		wrappedBlocks, err := p.l2Block.GetL2BlocksInRange(p.ctx, c.StartBlockNumber, c.EndBlockNumber)
+		if err != nil {
+			log.Error("Failed to fetch wrapped blocks",
+				"start number", c.StartBlockNumber, "end number", c.EndBlockNumber, "error", err)
+			return nil, err
+		}
+		chunks[i] = &bridgeTypes.Chunk{
+			Blocks: wrappedBlocks,
+		}
+	}
+	return chunks, nil
+}

bridge/internal/controller/watcher/batch_proposer_test.go

@@ -0,0 +1,72 @@
+package watcher
+
+import (
+	"context"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+
+	"scroll-tech/common/types"
+
+	"scroll-tech/bridge/internal/config"
+	"scroll-tech/bridge/internal/orm"
+	bridgeTypes "scroll-tech/bridge/internal/types"
+	"scroll-tech/bridge/internal/utils"
+)
+
+// TODO: Add unit tests that the limits are enforced correctly.
+func testBatchProposer(t *testing.T) {
+	db := setupDB(t)
+	defer utils.CloseDB(db)
+
+	l2BlockOrm := orm.NewL2Block(db)
+	err := l2BlockOrm.InsertL2Blocks(context.Background(), []*bridgeTypes.WrappedBlock{wrappedBlock1, wrappedBlock2})
+	assert.NoError(t, err)
+
+	cp := NewChunkProposer(context.Background(), &config.ChunkProposerConfig{
+		MaxTxGasPerChunk:                1000000000,
+		MaxL2TxNumPerChunk:              10000,
+		MaxL1CommitGasPerChunk:          50000000000,
+		MaxL1CommitCalldataSizePerChunk: 1000000,
+		MinL1CommitCalldataSizePerChunk: 0,
+		ChunkTimeoutSec:                 300,
+	}, db)
+	cp.TryProposeChunk()
+
+	bp := NewBatchProposer(context.Background(), &config.BatchProposerConfig{
+		MaxChunkNumPerBatch:             10,
+		MaxL1CommitGasPerBatch:          50000000000,
+		MaxL1CommitCalldataSizePerBatch: 1000000,
+		MinChunkNumPerBatch:             1,
+		BatchTimeoutSec:                 300,
+	}, db)
+	bp.TryProposeBatch()
+
+	chunkOrm := orm.NewChunk(db)
+	chunks, err := chunkOrm.GetUnbatchedChunks(context.Background())
+	assert.NoError(t, err)
+	assert.Empty(t, chunks)
+
+	batchOrm := orm.NewBatch(db)
+	// get all batches.
+	batches, err := batchOrm.GetBatches(context.Background(), map[string]interface{}{}, []string{}, 0)
+	assert.NoError(t, err)
+	assert.Len(t, batches, 1)
+	assert.Equal(t, uint64(0), batches[0].StartChunkIndex)
+	assert.Equal(t, uint64(0), batches[0].EndChunkIndex)
+	assert.Equal(t, types.RollupPending, types.RollupStatus(batches[0].RollupStatus))
+	assert.Equal(t, types.ProvingTaskUnassigned, types.ProvingStatus(batches[0].ProvingStatus))
+
+	dbChunks, err := chunkOrm.GetChunksInRange(context.Background(), 0, 0)
+	assert.NoError(t, err)
+	assert.Len(t, batches, 1)
+	assert.Equal(t, batches[0].Hash, dbChunks[0].BatchHash)
+	assert.Equal(t, types.ProvingTaskUnassigned, types.ProvingStatus(dbChunks[0].ProvingStatus))
+
+	blockOrm := orm.NewL2Block(db)
+	blocks, err := blockOrm.GetL2Blocks(context.Background(), map[string]interface{}{}, []string{}, 0)
+	assert.NoError(t, err)
+	assert.Len(t, blocks, 2)
+	assert.Equal(t, dbChunks[0].Hash, blocks[0].ChunkHash)
+	assert.Equal(t, dbChunks[0].Hash, blocks[1].ChunkHash)
+}

bridge/internal/controller/watcher/chunk_proposer.go

@@ -0,0 +1,170 @@
+package watcher
+
+import (
+	"context"
+	"fmt"
+	"time"
+
+	"github.com/scroll-tech/go-ethereum/log"
+	"gorm.io/gorm"
+
+	"scroll-tech/bridge/internal/config"
+	"scroll-tech/bridge/internal/orm"
+	bridgeTypes "scroll-tech/bridge/internal/types"
+)
+
+// ChunkProposer proposes chunks based on available unchunked blocks.
+type ChunkProposer struct {
+	ctx context.Context
+	db  *gorm.DB
+
+	chunkOrm   *orm.Chunk
+	l2BlockOrm *orm.L2Block
+
+	maxTxGasPerChunk                uint64
+	maxL2TxNumPerChunk              uint64
+	maxL1CommitGasPerChunk          uint64
+	maxL1CommitCalldataSizePerChunk uint64
+	minL1CommitCalldataSizePerChunk uint64
+	chunkTimeoutSec                 uint64
+}
+
+// NewChunkProposer creates a new ChunkProposer instance.
+func NewChunkProposer(ctx context.Context, cfg *config.ChunkProposerConfig, db *gorm.DB) *ChunkProposer {
+	return &ChunkProposer{
+		ctx:                             ctx,
+		db:                              db,
+		chunkOrm:                        orm.NewChunk(db),
+		l2BlockOrm:                      orm.NewL2Block(db),
+		maxTxGasPerChunk:                cfg.MaxTxGasPerChunk,
+		maxL2TxNumPerChunk:              cfg.MaxL2TxNumPerChunk,
+		maxL1CommitGasPerChunk:          cfg.MaxL1CommitGasPerChunk,
+		maxL1CommitCalldataSizePerChunk: cfg.MaxL1CommitCalldataSizePerChunk,
+		minL1CommitCalldataSizePerChunk: cfg.MinL1CommitCalldataSizePerChunk,
+		chunkTimeoutSec:                 cfg.ChunkTimeoutSec,
+	}
+}
+
+// TryProposeChunk tries to propose a new chunk.
+func (p *ChunkProposer) TryProposeChunk() {
+	proposedChunk, err := p.proposeChunk()
+	if err != nil {
+		log.Error("propose new chunk failed", "err", err)
+		return
+	}
+
+	if err := p.updateChunkInfoInDB(proposedChunk); err != nil {
+		log.Error("update chunk info in orm failed", "err", err)
+	}
+}
+
+func (p *ChunkProposer) updateChunkInfoInDB(chunk *bridgeTypes.Chunk) error {
+	if chunk == nil {
+		log.Warn("proposed chunk is nil, cannot update in DB")
+		return nil
+	}
+
+	err := p.db.Transaction(func(dbTX *gorm.DB) error {
+		dbChunk, err := p.chunkOrm.InsertChunk(p.ctx, chunk, dbTX)
+		if err != nil {
+			return err
+		}
+		if err := p.l2BlockOrm.UpdateChunkHashInRange(p.ctx, dbChunk.StartBlockNumber, dbChunk.EndBlockNumber, dbChunk.Hash, dbTX); err != nil {
+			log.Error("failed to update chunk_hash for l2_blocks", "chunk hash", chunk.Hash, "start block", 0, "end block", 0, "err", err)
+			return err
+		}
+		return nil
+	})
+	return err
+}
+
+func (p *ChunkProposer) proposeChunk() (*bridgeTypes.Chunk, error) {
+	blocks, err := p.l2BlockOrm.GetUnchunkedBlocks(p.ctx)
+	if err != nil {
+		return nil, err
+	}
+
+	if len(blocks) == 0 {
+		log.Warn("no un-chunked blocks")
+		return nil, nil
+	}
+
+	firstBlock := blocks[0]
+	totalTxGasUsed := firstBlock.Header.GasUsed
+	totalL2TxNum := firstBlock.L2TxsNum()
+	totalL1CommitCalldataSize := firstBlock.EstimateL1CommitCalldataSize()
+	totalL1CommitGas := firstBlock.EstimateL1CommitGas()
+
+	// Check if the first block breaks hard limits.
+	// If so, it indicates there are bugs in sequencer, manual fix is needed.
+	if totalL2TxNum > p.maxL2TxNumPerChunk {
+		return nil, fmt.Errorf(
+			"the first block exceeds l2 tx number limit; block number: %v, number of transactions: %v, max transaction number limit: %v",
+			firstBlock.Header.Number,
+			totalL2TxNum,
+			p.maxL2TxNumPerChunk,
+		)
+	}
+
+	if totalL1CommitGas > p.maxL1CommitGasPerChunk {
+		return nil, fmt.Errorf(
+			"the first block exceeds l1 commit gas limit; block number: %v, commit gas: %v, max commit gas limit: %v",
+			firstBlock.Header.Number,
+			totalL1CommitGas,
+			p.maxL1CommitGasPerChunk,
+		)
+	}
+
+	if totalL1CommitCalldataSize > p.maxL1CommitCalldataSizePerChunk {
+		return nil, fmt.Errorf(
+			"the first block exceeds l1 commit calldata size limit; block number: %v, calldata size: %v, max calldata size limit: %v",
+			firstBlock.Header.Number,
+			totalL1CommitCalldataSize,
+			p.maxL1CommitCalldataSizePerChunk,
+		)
+	}
+
+	// Check if the first block breaks any soft limits.
+	if totalTxGasUsed > p.maxTxGasPerChunk {
+		log.Warn(
+			"The first block in chunk exceeds l2 tx gas limit",
+			"block number", firstBlock.Header.Number,
+			"gas used", totalTxGasUsed,
+			"max gas limit", p.maxTxGasPerChunk,
+		)
+	}
+
+	for i, block := range blocks[1:] {
+		totalTxGasUsed += block.Header.GasUsed
+		totalL2TxNum += block.L2TxsNum()
+		totalL1CommitCalldataSize += block.EstimateL1CommitCalldataSize()
+		totalL1CommitGas += block.EstimateL1CommitGas()
+		if totalTxGasUsed > p.maxTxGasPerChunk ||
+			totalL2TxNum > p.maxL2TxNumPerChunk ||
+			totalL1CommitCalldataSize > p.maxL1CommitCalldataSizePerChunk ||
+			totalL1CommitGas > p.maxL1CommitGasPerChunk {
+			blocks = blocks[:i+1]
+			break
+		}
+	}
+
+	var hasBlockTimeout bool
+	currentTimeSec := uint64(time.Now().Unix())
+	if blocks[0].Header.Time+p.chunkTimeoutSec < currentTimeSec {
+		log.Warn("first block timeout",
+			"block number", blocks[0].Header.Number,
+			"block timestamp", blocks[0].Header.Time,
+			"block outdated time threshold", currentTimeSec,
+		)
+		hasBlockTimeout = true
+	}
+
+	if !hasBlockTimeout && totalL1CommitCalldataSize < p.minL1CommitCalldataSizePerChunk {
+		log.Warn("The calldata size of the chunk is less than the minimum limit",
+			"totalL1CommitCalldataSize", totalL1CommitCalldataSize,
+			"minL1CommitCalldataSizePerChunk", p.minL1CommitCalldataSizePerChunk,
+		)
+		return nil, nil
+	}
+	return &bridgeTypes.Chunk{Blocks: blocks}, nil
+}

bridge/internal/controller/watcher/chunk_proposer_test.go

@@ -0,0 +1,45 @@
+package watcher
+
+import (
+	"context"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+
+	"scroll-tech/bridge/internal/config"
+	"scroll-tech/bridge/internal/orm"
+	bridgeTypes "scroll-tech/bridge/internal/types"
+	"scroll-tech/bridge/internal/utils"
+)
+
+// TODO: Add unit tests that the limits are enforced correctly.
+func testChunkProposer(t *testing.T) {
+	db := setupDB(t)
+	defer utils.CloseDB(db)
+
+	l2BlockOrm := orm.NewL2Block(db)
+	err := l2BlockOrm.InsertL2Blocks(context.Background(), []*bridgeTypes.WrappedBlock{wrappedBlock1, wrappedBlock2})
+	assert.NoError(t, err)
+
+	cp := NewChunkProposer(context.Background(), &config.ChunkProposerConfig{
+		MaxTxGasPerChunk:                1000000000,
+		MaxL2TxNumPerChunk:              10000,
+		MaxL1CommitGasPerChunk:          50000000000,
+		MaxL1CommitCalldataSizePerChunk: 1000000,
+		MinL1CommitCalldataSizePerChunk: 0,
+		ChunkTimeoutSec:                 300,
+	}, db)
+	cp.TryProposeChunk()
+
+	expectedChunk := &bridgeTypes.Chunk{
+		Blocks: []*bridgeTypes.WrappedBlock{wrappedBlock1, wrappedBlock2},
+	}
+	expectedHash, err := expectedChunk.Hash(0)
+	assert.NoError(t, err)
+
+	chunkOrm := orm.NewChunk(db)
+	chunks, err := chunkOrm.GetUnbatchedChunks(context.Background())
+	assert.NoError(t, err)
+	assert.Len(t, chunks, 1)
+	assert.Equal(t, expectedHash.Hex(), chunks[0].Hash)
+}

bridge/internal/controller/watcher/l1_watcher.go

@@ -7,28 +7,26 @@ import (
 	geth "github.com/scroll-tech/go-ethereum"
 	"github.com/scroll-tech/go-ethereum/accounts/abi"
 	"github.com/scroll-tech/go-ethereum/common"
-	geth_types "github.com/scroll-tech/go-ethereum/core/types"
+	gethTypes "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"
-	geth_metrics "github.com/scroll-tech/go-ethereum/metrics"
+	gethMetrics "github.com/scroll-tech/go-ethereum/metrics"
 	"github.com/scroll-tech/go-ethereum/rpc"
+	"gorm.io/gorm"
 
 	"scroll-tech/common/metrics"
 	"scroll-tech/common/types"
 
-	"scroll-tech/database"
-
-	bridge_abi "scroll-tech/bridge/abi"
-	"scroll-tech/bridge/utils"
+	bridgeAbi "scroll-tech/bridge/abi"
+	"scroll-tech/bridge/internal/orm"
+	"scroll-tech/bridge/internal/utils"
 )
 
 var (
-	bridgeL1MsgsSyncHeightGauge = geth_metrics.NewRegisteredGauge("bridge/l1/msgs/sync/height", metrics.ScrollRegistry)
-
-	bridgeL1MsgsSentEventsTotalCounter    = geth_metrics.NewRegisteredCounter("bridge/l1/msgs/sent/events/total", metrics.ScrollRegistry)
-	bridgeL1MsgsRelayedEventsTotalCounter = geth_metrics.NewRegisteredCounter("bridge/l1/msgs/relayed/events/total", metrics.ScrollRegistry)
-	bridgeL1MsgsRollupEventsTotalCounter  = geth_metrics.NewRegisteredCounter("bridge/l1/msgs/rollup/events/total", metrics.ScrollRegistry)
+	bridgeL1MsgsSyncHeightGauge          = gethMetrics.NewRegisteredGauge("bridge/l1/msgs/sync/height", metrics.ScrollRegistry)
+	bridgeL1MsgsSentEventsTotalCounter   = gethMetrics.NewRegisteredCounter("bridge/l1/msgs/sent/events/total", metrics.ScrollRegistry)
+	bridgeL1MsgsRollupEventsTotalCounter = gethMetrics.NewRegisteredCounter("bridge/l1/msgs/rollup/events/total", metrics.ScrollRegistry)
 )
 
 type rollupEvent struct {
@@ -39,9 +37,11 @@ type rollupEvent struct {
 
 // L1WatcherClient will listen for smart contract events from Eth L1.
 type L1WatcherClient struct {
-	ctx    context.Context
-	client *ethclient.Client
-	db     database.OrmFactory
+	ctx          context.Context
+	client       *ethclient.Client
+	l1MessageOrm *orm.L1Message
+	l1BlockOrm   *orm.L1Block
+	batchOrm     *orm.Batch
 
 	// The number of new blocks to wait for a block to be confirmed
 	confirmations rpc.BlockNumber
@@ -62,8 +62,9 @@ type L1WatcherClient struct {
 }
 
 // NewL1WatcherClient returns a new instance of L1WatcherClient.
-func NewL1WatcherClient(ctx context.Context, client *ethclient.Client, startHeight uint64, confirmations rpc.BlockNumber, messengerAddress, messageQueueAddress, scrollChainAddress common.Address, db database.OrmFactory) *L1WatcherClient {
-	savedHeight, err := db.GetLayer1LatestWatchedHeight()
+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
@@ -72,7 +73,8 @@ func NewL1WatcherClient(ctx context.Context, client *ethclient.Client, startHeig
 		savedHeight = int64(startHeight)
 	}
 
-	savedL1BlockHeight, err := db.GetLatestL1BlockHeight()
+	l1BlockOrm := orm.NewL1Block(db)
+	savedL1BlockHeight, err := l1BlockOrm.GetLatestL1BlockHeight()
 	if err != nil {
 		log.Warn("Failed to fetch latest L1 block height from db", "err", err)
 		savedL1BlockHeight = 0
@@ -84,17 +86,19 @@ func NewL1WatcherClient(ctx context.Context, client *ethclient.Client, startHeig
 	return &L1WatcherClient{
 		ctx:           ctx,
 		client:        client,
-		db:            db,
+		l1MessageOrm:  l1MessageOrm,
+		l1BlockOrm:    l1BlockOrm,
+		batchOrm:      orm.NewBatch(db),
 		confirmations: confirmations,
 
 		messengerAddress: messengerAddress,
-		messengerABI:     bridge_abi.L1ScrollMessengerABI,
+		messengerABI:     bridgeAbi.L1ScrollMessengerABI,
 
 		messageQueueAddress: messageQueueAddress,
-		messageQueueABI:     bridge_abi.L1MessageQueueABI,
+		messageQueueABI:     bridgeAbi.L1MessageQueueABI,
 
 		scrollChainAddress: scrollChainAddress,
-		scrollChainABI:     bridge_abi.ScrollChainABI,
+		scrollChainABI:     bridgeAbi.ScrollChainABI,
 
 		processedMsgHeight:   uint64(savedHeight),
 		processedBlockHeight: savedL1BlockHeight,
@@ -130,20 +134,24 @@ func (w *L1WatcherClient) FetchBlockHeader(blockHeight uint64) error {
 		toBlock = fromBlock + contractEventsBlocksFetchLimit - 1
 	}
 
-	var blocks []*types.L1BlockInfo
+	var blocks []orm.L1Block
 	var err error
 	height := fromBlock
 	for ; height <= toBlock; height++ {
-		var block *geth_types.Header
+		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, &types.L1BlockInfo{
+		var baseFee uint64
+		if block.BaseFee != nil {
+			baseFee = block.BaseFee.Uint64()
+		}
+		blocks = append(blocks, orm.L1Block{
 			Number:  uint64(height),
 			Hash:    block.Hash().String(),
-			BaseFee: block.BaseFee.Uint64(),
+			BaseFee: baseFee,
 		})
 	}
 
@@ -154,7 +162,7 @@ func (w *L1WatcherClient) FetchBlockHeader(blockHeight uint64) error {
 	toBlock = height - 1
 
 	// insert succeed blocks
-	err = w.db.InsertL1Blocks(w.ctx, blocks)
+	err = w.l1BlockOrm.InsertL1Blocks(w.ctx, blocks)
 	if err != nil {
 		log.Warn("Failed to insert L1 block to db", "fromBlock", fromBlock, "toBlock", toBlock, "err", err)
 		return err
@@ -198,11 +206,11 @@ func (w *L1WatcherClient) FetchContractEvent() error {
 			Topics: make([][]common.Hash, 1),
 		}
 		query.Topics[0] = make([]common.Hash, 5)
-		query.Topics[0][0] = bridge_abi.L1QueueTransactionEventSignature
-		query.Topics[0][1] = bridge_abi.L1RelayedMessageEventSignature
-		query.Topics[0][2] = bridge_abi.L1FailedRelayedMessageEventSignature
-		query.Topics[0][3] = bridge_abi.L1CommitBatchEventSignature
-		query.Topics[0][4] = bridge_abi.L1FinalizeBatchEventSignature
+		query.Topics[0][0] = bridgeAbi.L1QueueTransactionEventSignature
+		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 {
@@ -216,25 +224,23 @@ func (w *L1WatcherClient) FetchContractEvent() error {
 		}
 		log.Info("Received new L1 events", "fromBlock", from, "toBlock", to, "cnt", len(logs))
 
-		sentMessageEvents, relayedMessageEvents, rollupEvents, err := w.parseBridgeEventLogs(logs)
+		sentMessageEvents, 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))
 		bridgeL1MsgsSentEventsTotalCounter.Inc(sentMessageCount)
-		bridgeL1MsgsRelayedEventsTotalCounter.Inc(relayedMessageCount)
 		bridgeL1MsgsRollupEventsTotalCounter.Inc(rollupEventCount)
-		log.Info("L1 events types", "SentMessageCount", sentMessageCount, "RelayedMessageCount", relayedMessageCount, "RollupEventCount", rollupEventCount)
+		log.Info("L1 events types", "SentMessageCount", sentMessageCount, "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.db.GetRollupStatusByHashList(batchHashes)
+		statuses, err := w.batchOrm.GetRollupStatusByHashList(w.ctx, batchHashes)
 		if err != nil {
 			log.Error("Failed to GetRollupStatusByHashList", "err", err)
 			return err
@@ -250,9 +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.db.UpdateFinalizeTxHashAndRollupStatus(w.ctx, batchHash, event.txHash.String(), event.status)
+					err = w.batchOrm.UpdateFinalizeTxHashAndRollupStatus(w.ctx, batchHash, event.txHash.String(), event.status)
 				} else if event.status == types.RollupCommitted {
-					err = w.db.UpdateCommitTxHashAndRollupStatus(w.ctx, batchHash, event.txHash.String(), event.status)
+					err = w.batchOrm.UpdateCommitTxHashAndRollupStatus(w.ctx, batchHash, event.txHash.String(), event.status)
 				}
 				if err != nil {
 					log.Error("Failed to update Rollup/Finalize TxHash and Status", "err", err)
@@ -261,22 +267,7 @@ 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.db.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.db.SaveL1Messages(w.ctx, sentMessageEvents); err != nil {
+		if err = w.l1MessageOrm.SaveL1Messages(w.ctx, sentMessageEvents); err != nil {
 			return err
 		}
 
@@ -287,27 +278,25 @@ func (w *L1WatcherClient) FetchContractEvent() error {
 	return nil
 }
 
-func (w *L1WatcherClient) parseBridgeEventLogs(logs []geth_types.Log) ([]*types.L1Message, []relayedMessage, []rollupEvent, error) {
+func (w *L1WatcherClient) parseBridgeEventLogs(logs []gethTypes.Log) ([]*orm.L1Message, []rollupEvent, error) {
 	// Need use contract abi to parse event Log
 	// Can only be tested after we have our contracts set up
-
-	var l1Messages []*types.L1Message
-	var relayedMessages []relayedMessage
+	var l1Messages []*orm.L1Message
 	var rollupEvents []rollupEvent
 	for _, vLog := range logs {
 		switch vLog.Topics[0] {
-		case bridge_abi.L1QueueTransactionEventSignature:
-			event := bridge_abi.L1QueueTransactionEvent{}
+		case bridgeAbi.L1QueueTransactionEventSignature:
+			event := bridgeAbi.L1QueueTransactionEvent{}
 			err := utils.UnpackLog(w.messageQueueABI, &event, "QueueTransaction", vLog)
 			if err != nil {
 				log.Warn("Failed to unpack layer1 QueueTransaction event", "err", err)
-				return l1Messages, relayedMessages, rollupEvents, err
+				return l1Messages, rollupEvents, err
 			}
 
 			msgHash := common.BytesToHash(crypto.Keccak256(event.Data))
 
-			l1Messages = append(l1Messages, &types.L1Message{
-				QueueIndex: event.QueueIndex.Uint64(),
+			l1Messages = append(l1Messages, &orm.L1Message{
+				QueueIndex: event.QueueIndex,
 				MsgHash:    msgHash.String(),
 				Height:     vLog.BlockNumber,
 				Sender:     event.Sender.String(),
@@ -317,38 +306,12 @@ func (w *L1WatcherClient) parseBridgeEventLogs(logs []geth_types.Log) ([]*types.
 				GasLimit:   event.GasLimit.Uint64(),
 				Layer1Hash: vLog.TxHash.Hex(),
 			})
-		case bridge_abi.L1RelayedMessageEventSignature:
-			event := bridge_abi.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 bridge_abi.L1FailedRelayedMessageEventSignature:
-			event := bridge_abi.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 bridge_abi.L1CommitBatchEventSignature:
-			event := bridge_abi.L1CommitBatchEvent{}
+		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, relayedMessages, rollupEvents, err
+				return l1Messages, rollupEvents, err
 			}
 
 			rollupEvents = append(rollupEvents, rollupEvent{
@@ -356,12 +319,12 @@ func (w *L1WatcherClient) parseBridgeEventLogs(logs []geth_types.Log) ([]*types.
 				txHash:    vLog.TxHash,
 				status:    types.RollupCommitted,
 			})
-		case bridge_abi.L1FinalizeBatchEventSignature:
-			event := bridge_abi.L1FinalizeBatchEvent{}
+		case bridgeAbi.L1FinalizeBatchEventSignature:
+			event := bridgeAbi.L1FinalizeBatchEvent{}
 			err := utils.UnpackLog(w.scrollChainABI, &event, "FinalizeBatch", vLog)
 			if err != nil {
 				log.Warn("Failed to unpack layer1 FinalizeBatch event", "err", err)
-				return l1Messages, relayedMessages, rollupEvents, err
+				return l1Messages, rollupEvents, err
 			}
 
 			rollupEvents = append(rollupEvents, rollupEvent{
@@ -374,5 +337,5 @@ func (w *L1WatcherClient) parseBridgeEventLogs(logs []geth_types.Log) ([]*types.
 		}
 	}
 
-	return l1Messages, relayedMessages, rollupEvents, nil
+	return l1Messages, rollupEvents, nil
 }

bridge/internal/controller/watcher/l1_watcher_test.go

@@ -11,31 +11,24 @@ import (
 	"github.com/scroll-tech/go-ethereum/accounts/abi"
 	"github.com/scroll-tech/go-ethereum/common"
 	"github.com/scroll-tech/go-ethereum/core/types"
-	geth_types "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"
-
-	bridge_abi "scroll-tech/bridge/abi"
-	"scroll-tech/bridge/utils"
+	"gorm.io/gorm"
 
 	commonTypes "scroll-tech/common/types"
 
-	"scroll-tech/database"
-	"scroll-tech/database/migrate"
+	bridgeAbi "scroll-tech/bridge/abi"
+	"scroll-tech/bridge/internal/orm"
+	"scroll-tech/bridge/internal/utils"
 )
 
-func setupL1Watcher(t *testing.T) (*L1WatcherClient, database.OrmFactory) {
-	db, err := database.NewOrmFactory(cfg.DBConfig)
-	assert.NoError(t, err)
-	assert.NoError(t, migrate.ResetDB(db.GetDB().DB))
-
+func setupL1Watcher(t *testing.T) (*L1WatcherClient, *gorm.DB) {
+	db := setupDB(t)
 	client, err := ethclient.Dial(base.L1gethImg.Endpoint())
 	assert.NoError(t, err)
-
 	l1Cfg := cfg.L1Config
-
 	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
@@ -43,13 +36,13 @@ func setupL1Watcher(t *testing.T) (*L1WatcherClient, database.OrmFactory) {
 
 func testFetchContractEvent(t *testing.T) {
 	watcher, db := setupL1Watcher(t)
-	defer db.Close()
+	defer utils.CloseDB(db)
 	assert.NoError(t, watcher.FetchContractEvent())
 }
 
 func testL1WatcherClientFetchBlockHeader(t *testing.T) {
 	watcher, db := setupL1Watcher(t)
-	defer db.Close()
+	defer utils.CloseDB(db)
 	convey.Convey("test toBlock < fromBlock", t, func() {
 		var blockHeight uint64
 		if watcher.ProcessedBlockHeight() <= 0 {
@@ -73,6 +66,7 @@ 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) {
@@ -86,7 +80,7 @@ func testL1WatcherClientFetchBlockHeader(t *testing.T) {
 		})
 		defer patchGuard.Reset()
 
-		patchGuard.ApplyMethodFunc(db, "InsertL1Blocks", func(ctx context.Context, blocks []*commonTypes.L1BlockInfo) error {
+		patchGuard.ApplyMethodFunc(l1BlockOrm, "InsertL1Blocks", func(ctx context.Context, blocks []orm.L1Block) error {
 			return errors.New("insert failed")
 		})
 
@@ -108,7 +102,7 @@ func testL1WatcherClientFetchBlockHeader(t *testing.T) {
 		})
 		defer patchGuard.Reset()
 
-		patchGuard.ApplyMethodFunc(db, "InsertL1Blocks", func(ctx context.Context, blocks []*commonTypes.L1BlockInfo) error {
+		patchGuard.ApplyMethodFunc(l1BlockOrm, "InsertL1Blocks", func(ctx context.Context, blocks []orm.L1Block) error {
 			return nil
 		})
 
@@ -120,7 +114,7 @@ func testL1WatcherClientFetchBlockHeader(t *testing.T) {
 
 func testL1WatcherClientFetchContractEvent(t *testing.T) {
 	watcher, db := setupL1Watcher(t)
-	defer db.Close()
+	defer utils.CloseDB(db)
 
 	watcher.SetConfirmations(rpc.SafeBlockNumber)
 	convey.Convey("get latest confirmed block number failure", t, func() {
@@ -165,14 +159,14 @@ 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, []geth_types.Log) ([]*commonTypes.L1Message, []relayedMessage, []rollupEvent, error) {
-			return nil, nil, nil, targetErr
+		patchGuard.ApplyPrivateMethod(watcher, "parseBridgeEventLogs", func(*L1WatcherClient, []types.Log) ([]*orm.L1Message, []rollupEvent, error) {
+			return nil, nil, targetErr
 		})
 		err := watcher.FetchContractEvent()
-		assert.Equal(t, err.Error(), targetErr.Error())
+		assert.EqualError(t, err, targetErr.Error())
 	})
 
-	patchGuard.ApplyPrivateMethod(watcher, "parseBridgeEventLogs", func(*L1WatcherClient, []geth_types.Log) ([]*commonTypes.L1Message, []relayedMessage, []rollupEvent, error) {
+	patchGuard.ApplyPrivateMethod(watcher, "parseBridgeEventLogs", func(*L1WatcherClient, []types.Log) ([]*orm.L1Message, []rollupEvent, error) {
 		rollupEvents := []rollupEvent{
 			{
 				batchHash: common.HexToHash("0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"),
@@ -185,25 +179,13 @@ func testL1WatcherClientFetchContractEvent(t *testing.T) {
 				status:    commonTypes.RollupCommitted,
 			},
 		}
-
-		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
+		return nil, 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(db, "GetRollupStatusByHashList", func(hashes []string) ([]commonTypes.RollupStatus, error) {
+		patchGuard.ApplyMethodFunc(batchOrm, "GetRollupStatusByHashList", func(context.Context, []string) ([]commonTypes.RollupStatus, error) {
 			return nil, targetErr
 		})
 		err := watcher.FetchContractEvent()
@@ -211,7 +193,7 @@ func testL1WatcherClientFetchContractEvent(t *testing.T) {
 	})
 
 	convey.Convey("rollup status mismatch batch hashes length", t, func() {
-		patchGuard.ApplyMethodFunc(db, "GetRollupStatusByHashList", func(hashes []string) ([]commonTypes.RollupStatus, error) {
+		patchGuard.ApplyMethodFunc(batchOrm, "GetRollupStatusByHashList", func(context.Context, []string) ([]commonTypes.RollupStatus, error) {
 			s := []commonTypes.RollupStatus{
 				commonTypes.RollupFinalized,
 			}
@@ -221,7 +203,7 @@ func testL1WatcherClientFetchContractEvent(t *testing.T) {
 		assert.NoError(t, err)
 	})
 
-	patchGuard.ApplyMethodFunc(db, "GetRollupStatusByHashList", func(hashes []string) ([]commonTypes.RollupStatus, error) {
+	patchGuard.ApplyMethodFunc(batchOrm, "GetRollupStatusByHashList", func(context.Context, []string) ([]commonTypes.RollupStatus, error) {
 		s := []commonTypes.RollupStatus{
 			commonTypes.RollupPending,
 			commonTypes.RollupCommitting,
@@ -231,53 +213,41 @@ func testL1WatcherClientFetchContractEvent(t *testing.T) {
 
 	convey.Convey("db update RollupFinalized status failure", t, func() {
 		targetErr := errors.New("UpdateFinalizeTxHashAndRollupStatus RollupFinalized failure")
-		patchGuard.ApplyMethodFunc(db, "UpdateFinalizeTxHashAndRollupStatus", func(context.Context, string, string, commonTypes.RollupStatus) error {
+		patchGuard.ApplyMethodFunc(batchOrm, "UpdateFinalizeTxHashAndRollupStatus", func(context.Context, string, string, commonTypes.RollupStatus) error {
 			return targetErr
 		})
 		err := watcher.FetchContractEvent()
 		assert.Equal(t, targetErr.Error(), err.Error())
 	})
 
-	patchGuard.ApplyMethodFunc(db, "UpdateFinalizeTxHashAndRollupStatus", func(context.Context, string, string, commonTypes.RollupStatus) error {
+	patchGuard.ApplyMethodFunc(batchOrm, "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(db, "UpdateCommitTxHashAndRollupStatus", func(context.Context, string, string, commonTypes.RollupStatus) error {
+		patchGuard.ApplyMethodFunc(batchOrm, "UpdateCommitTxHashAndRollupStatus", func(context.Context, string, string, commonTypes.RollupStatus) error {
 			return targetErr
 		})
 		err := watcher.FetchContractEvent()
 		assert.Equal(t, targetErr.Error(), err.Error())
 	})
 
-	patchGuard.ApplyMethodFunc(db, "UpdateCommitTxHashAndRollupStatus", func(context.Context, string, string, commonTypes.RollupStatus) error {
-		return nil
-	})
-
-	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(db, "UpdateLayer2StatusAndLayer1Hash", func(context.Context, string, commonTypes.MsgStatus, string) error {
+	patchGuard.ApplyMethodFunc(batchOrm, "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(db, "SaveL1Messages", func(context.Context, []*commonTypes.L1Message) error {
+		patchGuard.ApplyMethodFunc(l1MessageOrm, "SaveL1Messages", func(context.Context, []*orm.L1Message) error {
 			return targetErr
 		})
 		err := watcher.FetchContractEvent()
 		assert.Equal(t, targetErr.Error(), err.Error())
 	})
 
-	patchGuard.ApplyMethodFunc(db, "SaveL1Messages", func(context.Context, []*commonTypes.L1Message) error {
+	patchGuard.ApplyMethodFunc(l1MessageOrm, "SaveL1Messages", func(context.Context, []*orm.L1Message) error {
 		return nil
 	})
 
@@ -289,11 +259,11 @@ func testL1WatcherClientFetchContractEvent(t *testing.T) {
 
 func testParseBridgeEventLogsL1QueueTransactionEventSignature(t *testing.T) {
 	watcher, db := setupL1Watcher(t)
-	defer db.Close()
+	defer utils.CloseDB(db)
 
-	logs := []geth_types.Log{
+	logs := []types.Log{
 		{
-			Topics:      []common.Hash{bridge_abi.L1QueueTransactionEventSignature},
+			Topics:      []common.Hash{bridgeAbi.L1QueueTransactionEventSignature},
 			BlockNumber: 100,
 			TxHash:      common.HexToHash("0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"),
 		},
@@ -306,17 +276,16 @@ func testParseBridgeEventLogsL1QueueTransactionEventSignature(t *testing.T) {
 		})
 		defer patchGuard.Reset()
 
-		l2Messages, relayedMessages, rollupEvents, err := watcher.parseBridgeEventLogs(logs)
+		l2Messages, 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.(*bridge_abi.L1QueueTransactionEvent)
-			tmpOut.QueueIndex = big.NewInt(100)
+			tmpOut := out.(*bridgeAbi.L1QueueTransactionEvent)
+			tmpOut.QueueIndex = 100
 			tmpOut.Data = []byte("test data")
 			tmpOut.Sender = common.HexToAddress("0xb4c11951957c6f8f642c4af61cd6b24640fec6dc7fc607ee8206a99e92410d30")
 			tmpOut.Value = big.NewInt(1000)
@@ -326,110 +295,20 @@ func testParseBridgeEventLogsL1QueueTransactionEventSignature(t *testing.T) {
 		})
 		defer patchGuard.Reset()
 
-		l2Messages, relayedMessages, rollupEvents, err := watcher.parseBridgeEventLogs(logs)
+		l2Messages, 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 db.Close()
-
-	logs := []geth_types.Log{
-		{
-			Topics:      []common.Hash{bridge_abi.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.(*bridge_abi.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 db.Close()
-
-	logs := []geth_types.Log{
-		{
-			Topics:      []common.Hash{bridge_abi.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.(*bridge_abi.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 db.Close()
-
-	logs := []geth_types.Log{
+	defer utils.CloseDB(db)
+	logs := []types.Log{
 		{
-			Topics:      []common.Hash{bridge_abi.L1CommitBatchEventSignature},
+			Topics:      []common.Hash{bridgeAbi.L1CommitBatchEventSignature},
 			BlockNumber: 100,
 			TxHash:      common.HexToHash("0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"),
 		},
@@ -442,26 +321,24 @@ func testParseBridgeEventLogsL1CommitBatchEventSignature(t *testing.T) {
 		})
 		defer patchGuard.Reset()
 
-		l2Messages, relayedMessages, rollupEvents, err := watcher.parseBridgeEventLogs(logs)
+		l2Messages, 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("L1CommitBatchEventSignature 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.(*bridge_abi.L1CommitBatchEvent)
+			tmpOut := out.(*bridgeAbi.L1CommitBatchEvent)
 			tmpOut.BatchHash = msgHash
 			return nil
 		})
 		defer patchGuard.Reset()
 
-		l2Messages, relayedMessages, rollupEvents, err := watcher.parseBridgeEventLogs(logs)
+		l2Messages, 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)
@@ -470,11 +347,10 @@ func testParseBridgeEventLogsL1CommitBatchEventSignature(t *testing.T) {
 
 func testParseBridgeEventLogsL1FinalizeBatchEventSignature(t *testing.T) {
 	watcher, db := setupL1Watcher(t)
-	defer db.Close()
-
-	logs := []geth_types.Log{
+	defer utils.CloseDB(db)
+	logs := []types.Log{
 		{
-			Topics:      []common.Hash{bridge_abi.L1FinalizeBatchEventSignature},
+			Topics:      []common.Hash{bridgeAbi.L1FinalizeBatchEventSignature},
 			BlockNumber: 100,
 			TxHash:      common.HexToHash("0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"),
 		},
@@ -487,26 +363,24 @@ func testParseBridgeEventLogsL1FinalizeBatchEventSignature(t *testing.T) {
 		})
 		defer patchGuard.Reset()
 
-		l2Messages, relayedMessages, rollupEvents, err := watcher.parseBridgeEventLogs(logs)
+		l2Messages, 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("L1FinalizeBatchEventSignature 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.(*bridge_abi.L1FinalizeBatchEvent)
+			tmpOut := out.(*bridgeAbi.L1FinalizeBatchEvent)
 			tmpOut.BatchHash = msgHash
 			return nil
 		})
 		defer patchGuard.Reset()
 
-		l2Messages, relayedMessages, rollupEvents, err := watcher.parseBridgeEventLogs(logs)
+		l2Messages, 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 +1,312 @@
+package watcher
+
+import (
+	"context"
+	"fmt"
+	"math/big"
+
+	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"
+	"gorm.io/gorm"
+
+	"scroll-tech/common/metrics"
+	"scroll-tech/common/types"
+
+	bridgeAbi "scroll-tech/bridge/abi"
+	"scroll-tech/bridge/internal/orm"
+	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)
+	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
+
+	l2BlockOrm   *orm.L2Block
+	l1MessageOrm *orm.L1Message
+
+	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 {
+	l1MessageOrm := orm.NewL1Message(db)
+	var savedHeight uint64
+	l1msg, err := l1MessageOrm.GetLayer1LatestMessageWithLayer2Hash()
+	if err != nil || l1msg == nil {
+		log.Warn("fetch height from db failed", "err", err)
+		savedHeight = 0
+	} else {
+		receipt, err := client.TransactionReceipt(ctx, common.HexToHash(l1msg.Layer2Hash))
+		if err != nil || receipt == nil {
+			log.Warn("get tx from l2 failed", "err", err)
+			savedHeight = 0
+		} else {
+			savedHeight = receipt.BlockNumber.Uint64()
+		}
+	}
+
+	w := L2WatcherClient{
+		ctx:    ctx,
+		Client: client,
+
+		l2BlockOrm:         orm.NewL2Block(db),
+		l1MessageOrm:       orm.NewL1Message(db),
+		processedMsgHeight: savedHeight,
+		confirmations:      confirmations,
+
+		messengerAddress: messengerAddress,
+		messengerABI:     bridgeAbi.L2ScrollMessengerABI,
+
+		messageQueueAddress:  messageQueueAddress,
+		messageQueueABI:      bridgeAbi.L2MessageQueueABI,
+		withdrawTrieRootSlot: withdrawTrieRootSlot,
+
+		stopped: 0,
+	}
+
+	return &w
+}
+
+const blockTracesFetchLimit = uint64(10)
+
+// TryFetchRunningMissingBlocks attempts to fetch and store block traces for any missing blocks.
+func (w *L2WatcherClient) TryFetchRunningMissingBlocks(blockHeight uint64) {
+	heightInDB, err := w.l2BlockOrm.GetL2BlocksLatestHeight(w.ctx)
+	if err != nil {
+		log.Error("failed to GetL2BlocksLatestHeight", "err", err)
+		return
+	}
+
+	// Fetch and store block traces for missing blocks
+	for from := uint64(heightInDB) + 1; from <= blockHeight; from += blockTracesFetchLimit {
+		to := from + blockTracesFetchLimit - 1
+
+		if to > blockHeight {
+			to = blockHeight
+		}
+
+		if err = w.getAndStoreBlockTraces(w.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()
+
+		nonce := tx.Nonce()
+
+		// We need QueueIndex in `NewBatchHeader`. However, `TransactionData`
+		// does not have this field. Since `L1MessageTx` do not have a nonce,
+		// we reuse this field for storing the queue index.
+		if msg := tx.AsL1MessageTx(); msg != nil {
+			nonce = msg.QueueIndex
+		}
+
+		txsData[i] = &gethTypes.TransactionData{
+			Type:     tx.Type(),
+			TxHash:   tx.Hash().String(),
+			Nonce:    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.l2BlockOrm.InsertL2Blocks(w.ctx, 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))
+
+		relayedMessageEvents, err := w.parseBridgeEventLogs(logs)
+		if err != nil {
+			log.Error("failed to parse emitted event log", "err", err)
+			return
+		}
+
+		relayedMessageCount := int64(len(relayedMessageEvents))
+		bridgeL2MsgsRelayedEventsTotalCounter.Inc(relayedMessageCount)
+		log.Info("L2 events types", "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
+			}
+		}
+
+		w.processedMsgHeight = uint64(to)
+		bridgeL2MsgsSyncHeightGauge.Update(to)
+	}
+}
+
+func (w *L2WatcherClient) parseBridgeEventLogs(logs []gethTypes.Log) ([]relayedMessage, error) {
+	// Need use contract abi to parse event Log
+	// Can only be tested after we have our contracts set up
+
+	var relayedMessages []relayedMessage
+	for _, vLog := range logs {
+		switch vLog.Topics[0] {
+		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 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 relayedMessages, err
+			}
+
+			relayedMessages = append(relayedMessages, relayedMessage{
+				msgHash:      event.MessageHash,
+				txHash:       vLog.TxHash,
+				isSuccessful: false,
+			})
+			log.Error("Unknown event", "topic", vLog.Topics[0], "txHash", vLog.TxHash)
+		}
+	}
+
+	return relayedMessages, nil
+}

bridge/internal/controller/watcher/l2_watcher_test.go

@@ -0,0 +1,193 @@
+package watcher
+
+import (
+	"context"
+	"crypto/ecdsa"
+	"errors"
+	"math/big"
+	"strconv"
+	"testing"
+	"time"
+
+	"gorm.io/gorm"
+
+	"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"
+
+	cutils "scroll-tech/common/utils"
+
+	bridgeAbi "scroll-tech/bridge/abi"
+	"scroll-tech/bridge/internal/controller/sender"
+	"scroll-tech/bridge/internal/orm"
+	"scroll-tech/bridge/internal/utils"
+	"scroll-tech/bridge/mock_bridge"
+)
+
+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 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)
+
+	l2BlockOrm := orm.NewL2Block(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(latestHeight)
+		fetchedHeight, err := l2BlockOrm.GetL2BlocksLatestHeight(context.Background())
+		return err == nil && uint64(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)
+	auth.GasLimit = 500000
+	return auth
+}
+
+func loopToFetchEvent(subCtx context.Context, watcher *L2WatcherClient) {
+	go cutils.Loop(subCtx, 2*time.Second, watcher.FetchContractEvent)
+}
+
+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()
+
+		relayedMessages, err := watcher.parseBridgeEventLogs(logs)
+		assert.EqualError(t, err, targetErr.Error())
+		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()
+
+		relayedMessages, err := watcher.parseBridgeEventLogs(logs)
+		assert.NoError(t, err)
+		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()
+
+		relayedMessages, err := watcher.parseBridgeEventLogs(logs)
+		assert.EqualError(t, err, targetErr.Error())
+		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()
+
+		relayedMessages, err := watcher.parseBridgeEventLogs(logs)
+		assert.NoError(t, err)
+		assert.Len(t, relayedMessages, 1)
+		assert.Equal(t, relayedMessages[0].msgHash, msgHash)
+	})
+}

bridge/internal/controller/watcher/watcher_test.go

@@ -7,11 +7,14 @@ import (
 
 	"github.com/scroll-tech/go-ethereum/ethclient"
 	"github.com/stretchr/testify/assert"
+	"gorm.io/gorm"
 
 	"scroll-tech/common/docker"
-	"scroll-tech/common/types"
 
-	"scroll-tech/bridge/config"
+	"scroll-tech/bridge/internal/config"
+	"scroll-tech/bridge/internal/orm/migrate"
+	bridgeTypes "scroll-tech/bridge/internal/types"
+	"scroll-tech/bridge/internal/utils"
 )
 
 var (
@@ -24,47 +27,61 @@ 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("../config.json")
+	cfg, err = config.NewConfig("../../../conf/config.json")
 	assert.NoError(t, err)
 
 	base.RunImages(t)
 
 	cfg.L2Config.RelayerConfig.SenderConfig.Endpoint = base.L1gethImg.Endpoint()
 	cfg.L1Config.RelayerConfig.SenderConfig.Endpoint = base.L2gethImg.Endpoint()
-	cfg.DBConfig = base.DBConfig
+	cfg.DBConfig = &config.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("../../common/testdata/blockTrace_02.json")
+	templateBlockTrace1, err := os.ReadFile("../../../testdata/blockTrace_02.json")
 	if err != nil {
 		return err
 	}
 	// unmarshal blockTrace
-	wrappedBlock1 = &types.WrappedBlock{}
+	wrappedBlock1 = &bridgeTypes.WrappedBlock{}
 	if err = json.Unmarshal(templateBlockTrace1, wrappedBlock1); err != nil {
 		return err
 	}
 
-	templateBlockTrace2, err := os.ReadFile("../../common/testdata/blockTrace_03.json")
+	templateBlockTrace2, err := os.ReadFile("../../../testdata/blockTrace_03.json")
 	if err != nil {
 		return err
 	}
 	// unmarshal blockTrace
-	wrappedBlock2 = &types.WrappedBlock{}
+	wrappedBlock2 = &bridgeTypes.WrappedBlock{}
 	if err = json.Unmarshal(templateBlockTrace2, wrappedBlock2); err != nil {
 		return err
 	}
 	return err
 }
 
+func setupDB(t *testing.T) *gorm.DB {
+	db, err := utils.InitDB(cfg.DBConfig)
+	assert.NoError(t, err)
+	sqlDB, err := db.DB()
+	assert.NoError(t, err)
+	assert.NoError(t, migrate.ResetDB(sqlDB))
+	return db
+}
+
 func TestMain(m *testing.M) {
 	base = docker.NewDockerApp()
 
@@ -83,23 +100,18 @@ 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 batch proposer test cases.
-	t.Run("TestBatchProposerProposeBatch", testBatchProposerProposeBatch)
-	t.Run("TestBatchProposerBatchGeneration", testBatchProposerBatchGeneration)
-	t.Run("TestBatchProposerGracefulRestart", testBatchProposerGracefulRestart)
+	// Run chunk-proposer test cases.
+	t.Run("TestChunkProposer", testChunkProposer)
+
+	// Run batch-proposer test cases.
+	t.Run("TestBatchProposer", testBatchProposer)
 }