test

Co-authored-by: HAOYUatHZ <37070449+HAOYUatHZ@users.noreply.github.com>
Co-authored-by: Péter Garamvölgyi <peter@scroll.io>

.github/pull_request_template.md

@@ -0,0 +1,7 @@
+1. Purpose or design rationale of this PR
+
+
+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? 
+
+
+3. Is this PR a breaking change? If so, have it been attached a `breaking-change` label?

.github/workflows/bridge.yml

@@ -5,6 +5,7 @@ on:
     branches:
       - main
       - staging
+      - alpha
     paths:
       - 'bridge/**'
       - '.github/workflows/bridge.yml'
@@ -12,6 +13,7 @@ on:
     branches:
       - main
       - staging
+      - alpha
     paths:
       - 'bridge/**'
       - '.github/workflows/bridge.yml'
@@ -31,7 +33,11 @@ jobs:
     - name: Checkout code
       uses: actions/checkout@v2
     - name: Install Solc
-      uses: pontem-network/get-solc@master
+      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

.github/workflows/common.yml

@@ -5,6 +5,7 @@ on:
     branches:
       - main
       - staging
+      - alpha
     paths:
       - 'common/**'
       - '.github/workflows/common.yml'
@@ -12,6 +13,7 @@ on:
     branches:
       - main
       - staging
+      - alpha
     paths:
       - 'common/**'
       - '.github/workflows/common.yml'
@@ -24,12 +26,21 @@ jobs:
   check:
     runs-on: ubuntu-latest
     steps:
+    - uses: actions-rs/toolchain@v1
+      with:
+        toolchain: nightly-2022-12-10
+        override: true
+        components: rustfmt, clippy
     - name: Install Go
       uses: actions/setup-go@v2
       with:
         go-version: 1.18.x
     - name: Checkout code
       uses: actions/checkout@v2
+    - name: Cache cargo
+      uses: Swatinem/rust-cache@v2
+      with:
+        workspaces: "common/libzkp/impl -> target"
     - name: Lint
       run: |
         rm -rf $HOME/.cache/golangci-lint 

.github/workflows/contracts.yaml

@@ -8,6 +8,7 @@ on:
       - prod
       - release/*
       - staging
+      - alpha
     paths:
       - 'contracts/**'
       - '.github/workflows/contracts.yaml'
@@ -18,6 +19,7 @@ on:
       - prod
       - release/*
       - staging
+      - alpha
     paths:
       - 'contracts/**'
       - '.github/workflows/contracts.yaml'

.github/workflows/coordinator.yml

@@ -5,6 +5,7 @@ on:
     branches:
       - main
       - staging
+      - alpha
     paths:
       - 'coordinator/**'
       - '.github/workflows/coordinator.yml'
@@ -12,6 +13,7 @@ on:
     branches:
       - main
       - staging
+      - alpha
     paths:
       - 'coordinator/**'
       - '.github/workflows/coordinator.yml'
@@ -24,6 +26,11 @@ jobs:
   check:
     runs-on: ubuntu-latest
     steps:
+    - uses: actions-rs/toolchain@v1
+      with:
+        toolchain: nightly-2022-12-10
+        override: true
+        components: rustfmt, clippy
     - name: Install Go
       uses: actions/setup-go@v2
       with:

.github/workflows/database.yml

@@ -5,6 +5,7 @@ on:
     branches:
       - main
       - staging
+      - alpha
     paths:
       - 'database/**'
       - '.github/workflows/database.yml'
@@ -12,6 +13,7 @@ on:
     branches:
       - main
       - staging
+      - alpha
     paths:
       - 'database/**'
       - '.github/workflows/database.yml'

.github/workflows/roller.yml

@@ -5,6 +5,7 @@ on:
     branches:
       - main
       - staging
+      - alpha
     paths:
       - 'roller/**'
       - '.github/workflows/roller.yml'
@@ -12,6 +13,7 @@ on:
     branches:
       - main
       - staging
+      - alpha
     paths:
       - 'roller/**'
       - '.github/workflows/roller.yml'
@@ -26,7 +28,7 @@ jobs:
     steps:
     - uses: actions-rs/toolchain@v1
       with:
-        toolchain: nightly-2022-08-23
+        toolchain: nightly-2022-12-10
         override: true
         components: rustfmt, clippy
     - name: Install Go
@@ -35,24 +37,15 @@ jobs:
         go-version: 1.18.x
     - name: Checkout code
       uses: actions/checkout@v2
-    - name: Cache cargo registry
-      uses: actions/cache@v2
+    - name: Cache cargo
+      uses: Swatinem/rust-cache@v2
       with:
-        path: ~/.cargo/registry
-        key: ${{ runner.os }}-roller-cargo-registry-${{ hashFiles('roller/core/prover/rust/Cargo.lock') }}
-    - name: Cache cargo index
-      uses: actions/cache@v2
-      with:
-        path: ~/.cargo/git
-        key: ${{ runner.os }}-roller-cargo-index-${{ hashFiles('roller/core/prover/rust/Cargo.lock') }}
-    - name: Cache cargo target
-      uses: actions/cache@v2
-      with:
-        path: /home/runner/work/scroll/scroll/roller/core/prover/rust/target
-        key: ${{ runner.os }}-roller-cargo-build-target-${{ hashFiles('roller/core/prover/rust/Cargo.lock') }}
+        workspaces: "common/libzkp/impl -> target"
     - name: Test
       run: |
         make roller
+        export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:./prover/lib
+        export CHAIN_ID=534353
         go test -v ./...
   check:
     runs-on: ubuntu-latest

.gitignore

@@ -1,3 +1,9 @@
 .idea
 assets/params*
 assets/seed
+coverage.txt
+build/bin
+*.integration.txt
+
+# misc
+sftp-config.json

.pre-commit-config.yaml

@@ -0,0 +1,5 @@
+repos:
+  - repo: git@github.com:scroll-tech/keydead.git
+    rev: main
+    hooks:
+      - id: keydead

Jenkinsfile

@@ -1,8 +1,6 @@
 imagePrefix = 'scrolltech'
 credentialDocker = 'dockerhub'
 
-def boolean test_result = false
-
 pipeline {
     agent any
     options {
@@ -10,105 +8,114 @@ pipeline {
     }
     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') {
-            when {
-                anyOf {
-                    changeset "Jenkinsfile"
-                    changeset "build/**"
-                    changeset "go.work**"
-                    changeset "bridge/**"
-                    changeset "coordinator/**"
-                    changeset "common/**"
-                    changeset "database/**"
-                }
-            }
-            steps { 
-                //start to build project
-                sh '''#!/bin/bash
-                    export PATH=/home/ubuntu/go/bin:$PATH
-                    make dev_docker
-                    make -C bridge mock_abi
-                    make -C bridge bridge
-                    make -C bridge docker
-                    make -C coordinator coordinator
-                    make -C coordinator docker
-                    '''
-            }
-        }
-        stage('Test') {
-            when {
-                anyOf {
-                    changeset "Jenkinsfile"
-                    changeset "build/**"
-                    changeset "go.work**"
-                    changeset "bridge/**"
-                    changeset "coordinator/**"
-                    changeset "common/**"
-                    changeset "database/**"
-                }
-            }
-            steps {
-               sh "docker ps -aq | xargs -r docker stop"
-               sh "docker container prune -f"
-               catchError(buildResult: 'FAILURE', stageResult: 'FAILURE') {
-                    sh '''
-                        go test -v -race -coverprofile=coverage.txt -covermode=atomic -p 1 scroll-tech/database
-                        go test -v -race -coverprofile=coverage.txt -covermode=atomic -p 1 scroll-tech/database/migrate
-                        go test -v -race -coverprofile=coverage.txt -covermode=atomic -p 1 scroll-tech/database/docker
-                        go test -v -race -coverprofile=coverage.txt -covermode=atomic -p 1 scroll-tech/bridge/abi
-                        go test -v -race -coverprofile=coverage.txt -covermode=atomic -p 1 scroll-tech/bridge/l1
-                        go test -v -race -coverprofile=coverage.txt -covermode=atomic -p 1 scroll-tech/bridge/l2
-                        go test -v -race -coverprofile=coverage.txt -covermode=atomic -p 1 scroll-tech/bridge/sender
-                        go test -v -race -coverprofile=coverage.txt -covermode=atomic -p 1 scroll-tech/common/docker
-                        go test -v -race -coverprofile=coverage.txt -covermode=atomic -p 1 scroll-tech/coordinator
-                        go test -v -race -coverprofile=coverage.txt -covermode=atomic -p 1 scroll-tech/coordinator/verifier
-                        cd ..
-                    '''
-                    script {
-                        for (i in ['bridge', 'coordinator', 'database']) {
-                            sh "cd $i && go test -v -race -coverprofile=coverage.txt -covermode=atomic \$(go list ./... | grep -v 'database\\|l2\\|l1\\|common\\|coordinator')"
-                        }
-                    }
-
-                    script { test_result = true }
-               }
-            }
-        }
-        stage('Docker') {
-            when {
-                anyOf {
-                    changeset "Jenkinsfile"
-                    changeset "build/**"
-                    changeset "go.work**"
-                    changeset "bridge/**"
-                    changeset "coordinator/**"
-                    changeset "common/**"
-                    changeset "database/**"
-                }
-            }
-            steps {
-                withCredentials([usernamePassword(credentialsId: "${credentialDocker}", passwordVariable: 'dockerPassword', usernameVariable: 'dockerUser')]) {
-                    script {
-                        if (test_result == true) {
-                            sh 'docker login --username=${dockerUser} --password=${dockerPassword}'
-                            for (i in ['bridge', 'coordinator']) {
-                                sh "docker build -t ${imagePrefix}/$i:${GIT_COMMIT} -f build/dockerfiles/${i}.Dockerfile ."
-                                sh "docker push ${imagePrefix}/$i:${GIT_COMMIT}"
-                                sh "docker rmi ${imagePrefix}/$i:${GIT_COMMIT}"
-                            }
-                        }
+            parallel {
+                stage('Build Prerequisite') {
+                    steps {
+                        sh 'make dev_docker'
+                        sh 'make -C bridge mock_abi'
                     }
                 }
+                stage('Check Bridge Compilation') {
+                    steps {
+                        sh 'make -C bridge bridge'
+                    }
+                }
+                stage('Check Coordinator Compilation') {
+                    steps {
+                        sh 'export PATH=/home/ubuntu/go/bin:$PATH'
+                        sh 'make -C coordinator coordinator'
+                    }
+                }
+                stage('Check Database Compilation') {
+                    steps {
+                        sh 'make -C database db_cli'
+                    }
+                }
+                stage('Check Bridge Docker Build') {
+                    steps {
+                        sh 'make -C bridge docker'
+                    }
+                }
+                stage('Check Coordinator Docker Build') {
+                    steps {
+                        sh 'make -C coordinator docker'
+                    }
+                }
+                stage('Check Database Docker Build') {
+                    steps {
+                        sh 'make -C database docker'
+                    }
+                }
+            }
+        }
+        stage('Parallel Test') {
+            parallel{
+                stage('Test bridge package') {
+                    steps {
+                        sh 'go test -v -race -coverprofile=coverage.bridge.txt -covermode=atomic -p 1 scroll-tech/bridge/...'
+                    }
+                }
+                stage('Test common package') {
+                    steps {
+                        sh 'go test -v -race -coverprofile=coverage.common.txt -covermode=atomic -p 1 scroll-tech/common/...'
+                    }
+                }
+                stage('Test coordinator package') {
+                    steps {
+                        sh 'go test -v -race -coverprofile=coverage.coordinator.txt -covermode=atomic -p 1 scroll-tech/coordinator/...'
+                    }
+                }
+                stage('Test database package') {
+                    steps {
+                        sh 'go test -v -race -coverprofile=coverage.db.txt -covermode=atomic -p 1 scroll-tech/database/...'
+                    }
+                }
+                stage('Integration test') {
+                    steps {
+                        sh 'go test -v -race -tags="mock_prover mock_verifier" -coverprofile=coverage.integration.txt -covermode=atomic -p 1 scroll-tech/integration-test/...'
+                    }
+                }
+                stage('Race test bridge package') {
+                    steps {
+                        sh "cd bridge && go test -v -race -coverprofile=coverage.txt -covermode=atomic \$(go list ./... | grep -v 'database\\|common\\|l1\\|l2\\|coordinator')"
+                    }
+                }
+                stage('Race test coordinator package') {
+                    steps {
+                        sh "cd coordinator && go test -v -race -coverprofile=coverage.txt -covermode=atomic \$(go list ./... | grep -v 'database\\|common\\|l1\\|l2\\|coordinator')"
+                    }
+                }
+                stage('Race test database package') {
+                    steps {
+                        sh "cd database && go test -v -race -coverprofile=coverage.txt -covermode=atomic \$(go list ./... | grep -v 'database\\|common\\|l1\\|l2\\|coordinator')"
+                    }
+                }
+            }
+        }
+        stage('Compare Coverage') {
+            steps {
+                sh "./build/post-test-report-coverage.sh"
+                script {
+                    currentBuild.result = 'SUCCESS'
+                }
+                step([$class: 'CompareCoverageAction', publishResultAs: 'Comment', scmVars: [GIT_URL: env.GIT_URL]])
             }
         }
     }
-    post { 
-        always { 
+    post {
+        always {
+            publishCoverage adapters: [coberturaReportAdapter(path: 'cobertura.xml', thresholds: [[thresholdTarget: 'Aggregated Report', unhealthyThreshold: 40.0]])], checksName: '', sourceFileResolver: sourceFiles('NEVER_STORE') 
             cleanWs() 
             slackSend(message: "${JOB_BASE_NAME} ${GIT_COMMIT} #${BUILD_NUMBER} deploy ${currentBuild.result}")
         }

Makefile

@@ -1,5 +1,7 @@
 .PHONY: check update dev_docker clean
 
+ZKP_VERSION=release-1220
+
 help: ## Display this help message
 	@grep -h \
 		-E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | \
@@ -14,11 +16,11 @@ lint: ## The code's format and security checks.
 
 update: ## update dependencies
 	go work sync
-	cd $(PWD)/bridge/ && go mod tidy
-	cd $(PWD)/common/ && go mod tidy
-	cd $(PWD)/coordinator/ && go mod tidy
-	cd $(PWD)/database/ && go mod tidy
-	cd $(PWD)/roller/ && go mod tidy
+	cd $(PWD)/bridge/ && go get -u github.com/scroll-tech/go-ethereum@staging && go mod tidy
+	cd $(PWD)/common/ && go get -u github.com/scroll-tech/go-ethereum@staging && go mod tidy
+	cd $(PWD)/coordinator/ && go get -u github.com/scroll-tech/go-ethereum@staging && go mod tidy
+	cd $(PWD)/database/ && go get -u github.com/scroll-tech/go-ethereum@staging && go mod tidy
+	cd $(PWD)/roller/ && go get -u github.com/scroll-tech/go-ethereum@staging && go mod tidy
 	goimports -local $(PWD)/bridge/ -w .
 	goimports -local $(PWD)/common/ -w .
 	goimports -local $(PWD)/coordinator/ -w .
@@ -27,7 +29,17 @@ update: ## update dependencies
 
 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/.
+	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
 
 clean: ## Empty out the bin folder
 	@rm -rf build/bin

bridge/Makefile

@@ -5,12 +5,8 @@ IMAGE_VERSION=latest
 REPO_ROOT_DIR=./..
 
 mock_abi:
-	solc --bin mock_bridge/Mock_Bridge.sol -o mock_bridge/ --overwrite
-	solc --abi mock_bridge/Mock_Bridge.sol -o mock_bridge/ --overwrite
-	abigen --bin=mock_bridge/Mock_Bridge.bin \
-			--abi=mock_bridge/Mock_Bridge.abi \
-			--pkg=mock_bridge --out=mock_bridge/Mock_Bridge.go
-	awk '{sub("github.com/ethereum","github.com/scroll-tech")}1' mock_bridge/Mock_Bridge.go > temp && mv temp mock_bridge/Mock_Bridge.go
+	go run github.com/scroll-tech/go-ethereum/cmd/abigen --sol mock_bridge/MockBridgeL1.sol --pkg mock_bridge --out mock_bridge/MockBridgeL1.go
+	go run github.com/scroll-tech/go-ethereum/cmd/abigen --sol mock_bridge/MockBridgeL2.sol --pkg mock_bridge --out mock_bridge/MockBridgeL2.go
 
 bridge: ## Builds the Bridge instance.
 	go build -o $(PWD)/build/bin/bridge ./cmd
@@ -25,7 +21,7 @@ clean: ## Empty out the bin folder
 	@rm -rf build/bin
 
 docker:
-	docker build -t scrolltech/${IMAGE_NAME}:${IMAGE_VERSION} ${REPO_ROOT_DIR}/ -f ${REPO_ROOT_DIR}/build/dockerfiles/bridge.Dockerfile
+	DOCKER_BUILDKIT=1 docker build -t scrolltech/${IMAGE_NAME}:${IMAGE_VERSION} ${REPO_ROOT_DIR}/ -f ${REPO_ROOT_DIR}/build/dockerfiles/bridge.Dockerfile
 
 docker_push:
 	docker push scrolltech/${IMAGE_NAME}:${IMAGE_VERSION}

bridge/README.md

@@ -1,13 +1,12 @@
 # Bridge
 
-[![Actions Status](https://scroll-tech/bridge/workflows/Continuous%20Integration/badge.svg)](https://scroll-tech/bridge/actions)
-[![codecov](https://codecov.io/gh/scroll-tech/bridge/branch/master/graph/badge.svg)](https://codecov.io/gh/scroll-tech/bridge)
-
 This repo contains the Scroll bridge.
 
 In addition, launching the bridge will launch a separate instance of l2geth, and sets up a communication channel
 between the two, over JSON-RPC sockets.
 
+Something we should pay attention is that all private keys inside sender instance cannot be duplicated.
+
 ## Dependency
 
 + install `abigen`
@@ -23,38 +22,7 @@ make clean
 make bridge
 ```
 
-## db operation
-
-* init, show version, rollback, check status db
-
-```bash
-# DB_DSN: db data source name
-export DB_DSN="postgres://admin:123456@localhost/test_db?sslmode=disable"
-# DB_DRIVER: db driver name
-export DB_DRIVER="postgres"
-
-# TEST_DB_DRIVER, TEST_DB_DSN: It is required when executing db test cases
-export TEST_DB_DRIVER="postgres"
-export TEST_DB_DSN="postgres://admin:123456@localhost/test_db?sslmode=disable" 
-
-# init db
-./build/bin/bridge reset [--config ./config.json]
-
-# show db version
-./build/bin/bridge version [--config ./config.json]
-
-# rollback db
-/build/bin/bridge rollback [--version version] [--config ./config.json]
-
-# show db status
-./build/bin/bridge status [--config ./config.json]
-
-# migrate db
-./build/bin/bridge migrate [--config ./config.json]
-```
-
 ## Start
-
 * use default ports and config.json
 
 ```bash

bridge/abi/bridge_abi.go

@@ -3,62 +3,240 @@ package bridgeabi
 import (
 	"math/big"
 
+	"github.com/scroll-tech/go-ethereum/accounts/abi"
 	"github.com/scroll-tech/go-ethereum/accounts/abi/bind"
 	"github.com/scroll-tech/go-ethereum/common"
 )
 
+var (
+	// ScrollChainABI holds information about ScrollChain's context and available invokable methods.
+	ScrollChainABI *abi.ABI
+	// L1ScrollMessengerABI holds information about L1ScrollMessenger's context and available invokable methods.
+	L1ScrollMessengerABI *abi.ABI
+	// L1MessageQueueABI holds information about L1MessageQueue contract's context and available invokable methods.
+	L1MessageQueueABI *abi.ABI
+	// L2GasPriceOracleABI holds information about L2GasPriceOracle's context and available invokable methods.
+	L2GasPriceOracleABI *abi.ABI
+
+	// L2ScrollMessengerABI holds information about L2ScrollMessenger's context and available invokable methods.
+	L2ScrollMessengerABI *abi.ABI
+	// L1BlockContainerABI holds information about L1BlockContainer contract's context and available invokable methods.
+	L1BlockContainerABI *abi.ABI
+	// L1GasPriceOracleABI holds information about L1GasPriceOracle's context and available invokable methods.
+	L1GasPriceOracleABI *abi.ABI
+	// L2MessageQueueABI holds information about L2MessageQueue contract's context and available invokable methods.
+	L2MessageQueueABI *abi.ABI
+
+	// L1SentMessageEventSignature = keccak256("SentMessage(address,address,uint256,uint256,uint256,bytes)")
+	L1SentMessageEventSignature common.Hash
+	// L1RelayedMessageEventSignature = keccak256("RelayedMessage(bytes32)")
+	L1RelayedMessageEventSignature common.Hash
+	// L1FailedRelayedMessageEventSignature = keccak256("FailedRelayedMessage(bytes32)")
+	L1FailedRelayedMessageEventSignature common.Hash
+
+	// L1CommitBatchEventSignature = keccak256("CommitBatch(bytes32)")
+	L1CommitBatchEventSignature common.Hash
+	// L1FinalizeBatchEventSignature = keccak256("FinalizeBatch(bytes32)")
+	L1FinalizeBatchEventSignature common.Hash
+
+	// L1QueueTransactionEventSignature = keccak256("QueueTransaction(address,address,uint256,uint256,uint256,bytes)")
+	L1QueueTransactionEventSignature common.Hash
+
+	// L2SentMessageEventSignature = keccak256("SentMessage(address,address,uint256,uint256,uint256,bytes,uint256,uint256)")
+	L2SentMessageEventSignature common.Hash
+	// L2RelayedMessageEventSignature = keccak256("RelayedMessage(bytes32)")
+	L2RelayedMessageEventSignature common.Hash
+	// L2FailedRelayedMessageEventSignature = keccak256("FailedRelayedMessage(bytes32)")
+	L2FailedRelayedMessageEventSignature common.Hash
+
+	// L2ImportBlockEventSignature = keccak256("ImportBlock(bytes32,uint256,uint256,uint256,bytes32)")
+	L2ImportBlockEventSignature common.Hash
+
+	// L2AppendMessageEventSignature = keccak256("AppendMessage(uint256,bytes32)")
+	L2AppendMessageEventSignature common.Hash
+)
+
+func init() {
+	ScrollChainABI, _ = ScrollChainMetaData.GetAbi()
+	L1ScrollMessengerABI, _ = L1ScrollMessengerMetaData.GetAbi()
+	L1MessageQueueABI, _ = L1MessageQueueMetaData.GetAbi()
+	L2GasPriceOracleABI, _ = L2GasPriceOracleMetaData.GetAbi()
+
+	L2ScrollMessengerABI, _ = L2ScrollMessengerMetaData.GetAbi()
+	L1BlockContainerABI, _ = L1BlockContainerMetaData.GetAbi()
+	L2MessageQueueABI, _ = L2MessageQueueMetaData.GetAbi()
+	L1GasPriceOracleABI, _ = L1GasPriceOracleMetaData.GetAbi()
+
+	L1SentMessageEventSignature = L1ScrollMessengerABI.Events["SentMessage"].ID
+	L1RelayedMessageEventSignature = L1ScrollMessengerABI.Events["RelayedMessage"].ID
+	L1FailedRelayedMessageEventSignature = L1ScrollMessengerABI.Events["FailedRelayedMessage"].ID
+
+	L1CommitBatchEventSignature = ScrollChainABI.Events["CommitBatch"].ID
+	L1FinalizeBatchEventSignature = ScrollChainABI.Events["FinalizeBatch"].ID
+
+	L1QueueTransactionEventSignature = L1MessageQueueABI.Events["QueueTransaction"].ID
+
+	L2SentMessageEventSignature = L2ScrollMessengerABI.Events["SentMessage"].ID
+	L2RelayedMessageEventSignature = L2ScrollMessengerABI.Events["RelayedMessage"].ID
+	L2FailedRelayedMessageEventSignature = L2ScrollMessengerABI.Events["FailedRelayedMessage"].ID
+
+	L2ImportBlockEventSignature = L1BlockContainerABI.Events["ImportBlock"].ID
+
+	L2AppendMessageEventSignature = L2MessageQueueABI.Events["AppendMessage"].ID
+}
+
 // Generated manually from abigen and only necessary events and mutable calls are kept.
 
-// RollupMetaData contains all meta data concerning the Rollup contract.
-var RollupMetaData = &bind.MetaData{
-	ABI: "[{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"_blockHash\",\"type\":\"bytes32\"},{\"indexed\":true,\"internalType\":\"uint64\",\"name\":\"_blockHeight\",\"type\":\"uint64\"},{\"indexed\":false,\"internalType\":\"bytes32\",\"name\":\"_parentHash\",\"type\":\"bytes32\"}],\"name\":\"CommitBlock\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"_blockHash\",\"type\":\"bytes32\"},{\"indexed\":true,\"internalType\":\"uint64\",\"name\":\"_blockHeight\",\"type\":\"uint64\"}],\"name\":\"FinalizeBlock\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"_blockHash\",\"type\":\"bytes32\"}],\"name\":\"RevertBlock\",\"type\":\"event\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_sender\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"_target\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"_value\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"_fee\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"_deadline\",\"type\":\"uint256\"},{\"internalType\":\"bytes\",\"name\":\"_message\",\"type\":\"bytes\"},{\"internalType\":\"uint256\",\"name\":\"_gasLimit\",\"type\":\"uint256\"}],\"name\":\"appendMessage\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"components\":[{\"internalType\":\"bytes32\",\"name\":\"blockHash\",\"type\":\"bytes32\"},{\"internalType\":\"bytes32\",\"name\":\"parentHash\",\"type\":\"bytes32\"},{\"internalType\":\"uint256\",\"name\":\"baseFee\",\"type\":\"uint256\"},{\"internalType\":\"bytes32\",\"name\":\"stateRoot\",\"type\":\"bytes32\"},{\"internalType\":\"uint64\",\"name\":\"blockHeight\",\"type\":\"uint64\"},{\"internalType\":\"uint64\",\"name\":\"gasUsed\",\"type\":\"uint64\"},{\"internalType\":\"uint64\",\"name\":\"timestamp\",\"type\":\"uint64\"},{\"internalType\":\"bytes\",\"name\":\"extraData\",\"type\":\"bytes\"}],\"internalType\":\"struct IZKRollup.BlockHeader\",\"name\":\"_header\",\"type\":\"tuple\"},{\"components\":[{\"internalType\":\"address\",\"name\":\"caller\",\"type\":\"address\"},{\"internalType\":\"uint64\",\"name\":\"nonce\",\"type\":\"uint64\"},{\"internalType\":\"address\",\"name\":\"target\",\"type\":\"address\"},{\"internalType\":\"uint64\",\"name\":\"gas\",\"type\":\"uint64\"},{\"internalType\":\"uint256\",\"name\":\"gasPrice\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"value\",\"type\":\"uint256\"},{\"internalType\":\"bytes\",\"name\":\"data\",\"type\":\"bytes\"}],\"internalType\":\"struct IZKRollup.Layer2Transaction[]\",\"name\":\"_txns\",\"type\":\"tuple[]\"}],\"name\":\"commitBlock\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"_blockHash\",\"type\":\"bytes32\"},{\"internalType\":\"uint256[]\",\"name\":\"_proof\",\"type\":\"uint256[]\"},{\"internalType\":\"uint256[]\",\"name\":\"_instances\",\"type\":\"uint256[]\"}],\"name\":\"finalizeBlockWithProof\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"_index\",\"type\":\"uint256\"}],\"name\":\"getMessageHashByIndex\",\"outputs\":[{\"internalType\":\"bytes32\",\"name\":\"\",\"type\":\"bytes32\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"getNextQueueIndex\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"_blockNumber\",\"type\":\"uint256\"}],\"name\":\"layer2GasLimit\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"_blockHash\",\"type\":\"bytes32\"}],\"name\":\"revertBlock\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"_blockNumber\",\"type\":\"uint256\"}],\"name\":\"verifyMessageStateProof\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"}]",
+// ScrollChainMetaData contains all meta data concerning the ScrollChain contract.
+var ScrollChainMetaData = &bind.MetaData{
+	ABI: "[{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"batchHash\",\"type\":\"bytes32\"}],\"name\":\"CommitBatch\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"batchHash\",\"type\":\"bytes32\"}],\"name\":\"FinalizeBatch\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"batchHash\",\"type\":\"bytes32\"}],\"name\":\"RevertBatch\",\"type\":\"event\"},{\"inputs\":[{\"components\":[{\"components\":[{\"internalType\":\"bytes32\",\"name\":\"blockHash\",\"type\":\"bytes32\"},{\"internalType\":\"bytes32\",\"name\":\"parentHash\",\"type\":\"bytes32\"},{\"internalType\":\"uint64\",\"name\":\"blockNumber\",\"type\":\"uint64\"},{\"internalType\":\"uint64\",\"name\":\"timestamp\",\"type\":\"uint64\"},{\"internalType\":\"uint256\",\"name\":\"baseFee\",\"type\":\"uint256\"},{\"internalType\":\"uint64\",\"name\":\"gasLimit\",\"type\":\"uint64\"},{\"internalType\":\"uint16\",\"name\":\"numTransactions\",\"type\":\"uint16\"},{\"internalType\":\"uint16\",\"name\":\"numL1Messages\",\"type\":\"uint16\"}],\"internalType\":\"structIScrollChain.BlockContext[]\",\"name\":\"blocks\",\"type\":\"tuple[]\"},{\"internalType\":\"bytes32\",\"name\":\"prevStateRoot\",\"type\":\"bytes32\"},{\"internalType\":\"bytes32\",\"name\":\"newStateRoot\",\"type\":\"bytes32\"},{\"internalType\":\"bytes32\",\"name\":\"withdrawTrieRoot\",\"type\":\"bytes32\"},{\"internalType\":\"uint64\",\"name\":\"batchIndex\",\"type\":\"uint64\"},{\"internalType\":\"bytes32\",\"name\":\"parentBatchHash\",\"type\":\"bytes32\"},{\"internalType\":\"bytes\",\"name\":\"l2Transactions\",\"type\":\"bytes\"}],\"internalType\":\"structIScrollChain.Batch\",\"name\":\"batch\",\"type\":\"tuple\"}],\"name\":\"commitBatch\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"components\":[{\"components\":[{\"internalType\":\"bytes32\",\"name\":\"blockHash\",\"type\":\"bytes32\"},{\"internalType\":\"bytes32\",\"name\":\"parentHash\",\"type\":\"bytes32\"},{\"internalType\":\"uint64\",\"name\":\"blockNumber\",\"type\":\"uint64\"},{\"internalType\":\"uint64\",\"name\":\"timestamp\",\"type\":\"uint64\"},{\"internalType\":\"uint256\",\"name\":\"baseFee\",\"type\":\"uint256\"},{\"internalType\":\"uint64\",\"name\":\"gasLimit\",\"type\":\"uint64\"},{\"internalType\":\"uint16\",\"name\":\"numTransactions\",\"type\":\"uint16\"},{\"internalType\":\"uint16\",\"name\":\"numL1Messages\",\"type\":\"uint16\"}],\"internalType\":\"structIScrollChain.BlockContext[]\",\"name\":\"blocks\",\"type\":\"tuple[]\"},{\"internalType\":\"bytes32\",\"name\":\"prevStateRoot\",\"type\":\"bytes32\"},{\"internalType\":\"bytes32\",\"name\":\"newStateRoot\",\"type\":\"bytes32\"},{\"internalType\":\"bytes32\",\"name\":\"withdrawTrieRoot\",\"type\":\"bytes32\"},{\"internalType\":\"uint64\",\"name\":\"batchIndex\",\"type\":\"uint64\"},{\"internalType\":\"bytes32\",\"name\":\"parentBatchHash\",\"type\":\"bytes32\"},{\"internalType\":\"bytes\",\"name\":\"l2Transactions\",\"type\":\"bytes\"}],\"internalType\":\"structIScrollChain.Batch[]\",\"name\":\"batches\",\"type\":\"tuple[]\"}],\"name\":\"commitBatches\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"batchId\",\"type\":\"bytes32\"},{\"internalType\":\"uint256[]\",\"name\":\"proof\",\"type\":\"uint256[]\"},{\"internalType\":\"uint256[]\",\"name\":\"instances\",\"type\":\"uint256[]\"}],\"name\":\"finalizeBatchWithProof\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"batchHash\",\"type\":\"bytes32\"}],\"name\":\"getL2MessageRoot\",\"outputs\":[{\"internalType\":\"bytes32\",\"name\":\"\",\"type\":\"bytes32\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"batchHash\",\"type\":\"bytes32\"}],\"name\":\"isBatchFinalized\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"batchId\",\"type\":\"bytes32\"}],\"name\":\"revertBatch\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"}]",
 }
 
-// L1GatewayMetaData contains all meta data concerning the L1Gateway contract.
-var L1GatewayMetaData = &bind.MetaData{
-	ABI: "[{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"_l1Token\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"_l2Token\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"_from\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"address\",\"name\":\"_to\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"_amount\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"bytes\",\"name\":\"_data\",\"type\":\"bytes\"}],\"name\":\"DepositERC20\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"_from\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"_to\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"_amount\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"bytes\",\"name\":\"_data\",\"type\":\"bytes\"}],\"name\":\"DepositETH\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"_l1Token\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"_l2Token\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"_from\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"address\",\"name\":\"_to\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"_amount\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"bytes\",\"name\":\"_data\",\"type\":\"bytes\"}],\"name\":\"FinalizeWithdrawERC20\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"_from\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"_to\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"_amount\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"bytes\",\"name\":\"_data\",\"type\":\"bytes\"}],\"name\":\"FinalizeWithdrawETH\",\"type\":\"event\"},{\"inputs\":[],\"name\":\"counterpart\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_token\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"_amount\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"_gasLimit\",\"type\":\"uint256\"}],\"name\":\"depositERC20\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_token\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"_to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"_amount\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"_gasLimit\",\"type\":\"uint256\"}],\"name\":\"depositERC20\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_token\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"_to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"_amount\",\"type\":\"uint256\"},{\"internalType\":\"bytes\",\"name\":\"_data\",\"type\":\"bytes\"},{\"internalType\":\"uint256\",\"name\":\"_gasLimit\",\"type\":\"uint256\"}],\"name\":\"depositERC20AndCall\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"_gasLimit\",\"type\":\"uint256\"}],\"name\":\"depositETH\",\"outputs\":[],\"stateMutability\":\"payable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"_gasLimit\",\"type\":\"uint256\"}],\"name\":\"depositETH\",\"outputs\":[],\"stateMutability\":\"payable\",\"type\":\"function\"}]",
+// L1ScrollMessengerMetaData contains all meta data concerning the L1ScrollMessenger contract.
+var L1ScrollMessengerMetaData = &bind.MetaData{
+	ABI: "[{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"messageHash\",\"type\":\"bytes32\"}],\"name\":\"FailedRelayedMessage\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"messageHash\",\"type\":\"bytes32\"}],\"name\":\"RelayedMessage\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"sender\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"target\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"value\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"messageNonce\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"gasLimit\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"bytes\",\"name\":\"message\",\"type\":\"bytes\"}],\"name\":\"SentMessage\",\"type\":\"event\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"from\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"value\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"nonce\",\"type\":\"uint256\"},{\"internalType\":\"bytes\",\"name\":\"message\",\"type\":\"bytes\"},{\"components\":[{\"internalType\":\"bytes32\",\"name\":\"batchHash\",\"type\":\"bytes32\"},{\"internalType\":\"bytes\",\"name\":\"merkleProof\",\"type\":\"bytes\"}],\"internalType\":\"structIL1ScrollMessenger.L2MessageProof\",\"name\":\"proof\",\"type\":\"tuple\"}],\"name\":\"relayMessageWithProof\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"from\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"value\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"queueIndex\",\"type\":\"uint256\"},{\"internalType\":\"bytes\",\"name\":\"message\",\"type\":\"bytes\"},{\"internalType\":\"uint32\",\"name\":\"oldGasLimit\",\"type\":\"uint32\"},{\"internalType\":\"uint32\",\"name\":\"newGasLimit\",\"type\":\"uint32\"}],\"name\":\"replayMessage\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"target\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"value\",\"type\":\"uint256\"},{\"internalType\":\"bytes\",\"name\":\"message\",\"type\":\"bytes\"},{\"internalType\":\"uint256\",\"name\":\"gasLimit\",\"type\":\"uint256\"}],\"name\":\"sendMessage\",\"outputs\":[],\"stateMutability\":\"payable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"xDomainMessageSender\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"}]",
 }
 
-// L1MessengerMetaData contains all meta data concerning the L1Messenger contract.
-var L1MessengerMetaData = &bind.MetaData{
-	ABI: "[{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"msgHash\",\"type\":\"bytes32\"}],\"name\":\"FailedRelayedMessage\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"msgHash\",\"type\":\"bytes32\"}],\"name\":\"MessageDropped\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"msgHash\",\"type\":\"bytes32\"}],\"name\":\"RelayedMessage\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"target\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"address\",\"name\":\"sender\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"value\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"fee\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"deadline\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"bytes\",\"name\":\"message\",\"type\":\"bytes\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"messageNonce\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"gasLimit\",\"type\":\"uint256\"}],\"name\":\"SentMessage\",\"type\":\"event\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_from\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"_to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"_value\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"_fee\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"_deadline\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"_nonce\",\"type\":\"uint256\"},{\"internalType\":\"bytes\",\"name\":\"_message\",\"type\":\"bytes\"},{\"internalType\":\"uint256\",\"name\":\"_gasLimit\",\"type\":\"uint256\"}],\"name\":\"dropMessage\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_from\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"_to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"_value\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"_fee\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"_deadline\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"_nonce\",\"type\":\"uint256\"},{\"internalType\":\"bytes\",\"name\":\"_message\",\"type\":\"bytes\"},{\"components\":[{\"internalType\":\"uint256\",\"name\":\"blockNumber\",\"type\":\"uint256\"},{\"internalType\":\"bytes\",\"name\":\"merkleProof\",\"type\":\"bytes\"}],\"internalType\":\"struct IL1ScrollMessenger.L2MessageProof\",\"name\":\"_proof\",\"type\":\"tuple\"}],\"name\":\"relayMessageWithProof\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_from\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"_to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"_value\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"_fee\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"_deadline\",\"type\":\"uint256\"},{\"internalType\":\"bytes\",\"name\":\"_message\",\"type\":\"bytes\"},{\"internalType\":\"uint256\",\"name\":\"_queueIndex\",\"type\":\"uint256\"},{\"internalType\":\"uint32\",\"name\":\"_oldGasLimit\",\"type\":\"uint32\"},{\"internalType\":\"uint32\",\"name\":\"_newGasLimit\",\"type\":\"uint32\"}],\"name\":\"replayMessage\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"_fee\",\"type\":\"uint256\"},{\"internalType\":\"bytes\",\"name\":\"_message\",\"type\":\"bytes\"},{\"internalType\":\"uint256\",\"name\":\"_gasLimit\",\"type\":\"uint256\"}],\"name\":\"sendMessage\",\"outputs\":[],\"stateMutability\":\"payable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"xDomainMessageSender\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"}]",
+// L1MessageQueueMetaData contains all meta data concerning the L1MessageQueue contract.
+var L1MessageQueueMetaData = &bind.MetaData{
+	ABI: "[{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"sender\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"target\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"value\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"queueIndex\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"gasLimit\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"bytes\",\"name\":\"data\",\"type\":\"bytes\"}],\"name\":\"QueueTransaction\",\"type\":\"event\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"target\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"gasLimit\",\"type\":\"uint256\"},{\"internalType\":\"bytes\",\"name\":\"data\",\"type\":\"bytes\"}],\"name\":\"appendCrossDomainMessage\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"sender\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"target\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"value\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"gasLimit\",\"type\":\"uint256\"},{\"internalType\":\"bytes\",\"name\":\"data\",\"type\":\"bytes\"}],\"name\":\"appendEnforcedTransaction\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"sender\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"target\",\"type\":\"address\"},{\"internalType\":\"bytes\",\"name\":\"message\",\"type\":\"bytes\"},{\"internalType\":\"uint256\",\"name\":\"gasLimit\",\"type\":\"uint256\"}],\"name\":\"estimateCrossDomainMessageFee\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"queueIndex\",\"type\":\"uint256\"}],\"name\":\"getCrossDomainMessage\",\"outputs\":[{\"internalType\":\"bytes32\",\"name\":\"\",\"type\":\"bytes32\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"nextCrossDomainMessageIndex\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"}]",
 }
 
-// L2GatewayMetaData contains all meta data concerning the L2Gateway contract.
-var L2GatewayMetaData = &bind.MetaData{
-	ABI: "[{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"_l1Token\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"_l2Token\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"_from\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"address\",\"name\":\"_to\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"_amount\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"bytes\",\"name\":\"_data\",\"type\":\"bytes\"}],\"name\":\"FinalizeDepositERC20\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"_from\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"_to\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"_amount\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"bytes\",\"name\":\"_data\",\"type\":\"bytes\"}],\"name\":\"FinalizeDepositETH\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"_l1Token\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"_l2Token\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"_from\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"address\",\"name\":\"_to\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"_amount\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"bytes\",\"name\":\"_data\",\"type\":\"bytes\"}],\"name\":\"WithdrawERC20\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"_from\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"_to\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"_amount\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"bytes\",\"name\":\"_data\",\"type\":\"bytes\"}],\"name\":\"WithdrawETH\",\"type\":\"event\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_token\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"_amount\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"_gasLimit\",\"type\":\"uint256\"}],\"name\":\"withdrawERC20\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_token\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"_to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"_amount\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"_gasLimit\",\"type\":\"uint256\"}],\"name\":\"withdrawERC20\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_token\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"_to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"_amount\",\"type\":\"uint256\"},{\"internalType\":\"bytes\",\"name\":\"_data\",\"type\":\"bytes\"},{\"internalType\":\"uint256\",\"name\":\"_gasLimit\",\"type\":\"uint256\"}],\"name\":\"withdrawERC20AndCall\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"_gasLimit\",\"type\":\"uint256\"}],\"name\":\"withdrawETH\",\"outputs\":[],\"stateMutability\":\"payable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"_gasLimit\",\"type\":\"uint256\"}],\"name\":\"withdrawETH\",\"outputs\":[],\"stateMutability\":\"payable\",\"type\":\"function\"}]",
+// L2GasPriceOracleMetaData contains all meta data concerning the L2GasPriceOracle contract.
+var L2GasPriceOracleMetaData = &bind.MetaData{
+	ABI: "[{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"l2BaseFee\",\"type\":\"uint256\"}],\"name\":\"L2BaseFeeUpdated\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"overhead\",\"type\":\"uint256\"}],\"name\":\"OverheadUpdated\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"previousOwner\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"OwnershipTransferred\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"scalar\",\"type\":\"uint256\"}],\"name\":\"ScalarUpdated\",\"type\":\"event\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"},{\"internalType\":\"bytes\",\"name\":\"_message\",\"type\":\"bytes\"},{\"internalType\":\"uint256\",\"name\":\"_gasLimit\",\"type\":\"uint256\"}],\"name\":\"estimateCrossDomainMessageFee\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes\",\"name\":\"_data\",\"type\":\"bytes\"}],\"name\":\"getL1GasUsed\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"initialize\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"l1BaseFee\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"l2BaseFee\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"overhead\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"owner\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"renounceOwnership\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"scalar\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"_l2BaseFee\",\"type\":\"uint256\"}],\"name\":\"setL2BaseFee\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"_overhead\",\"type\":\"uint256\"}],\"name\":\"setOverhead\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"_scalar\",\"type\":\"uint256\"}],\"name\":\"setScalar\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"transferOwnership\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"}]",
 }
 
-// L2MessengerMetaData contains all meta data concerning the L2Messenger contract.
-var L2MessengerMetaData = &bind.MetaData{
-	ABI: "[{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"msgHash\",\"type\":\"bytes32\"}],\"name\":\"FailedRelayedMessage\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"msgHash\",\"type\":\"bytes32\"}],\"name\":\"MessageDropped\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"target\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"address\",\"name\":\"sender\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"value\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"fee\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"deadline\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"bytes\",\"name\":\"message\",\"type\":\"bytes\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"messageNonce\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"gasLimit\",\"type\":\"uint256\"}],\"name\":\"SentMessage\",\"type\":\"event\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_from\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"_to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"_value\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"_fee\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"_deadline\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"_nonce\",\"type\":\"uint256\"},{\"internalType\":\"bytes\",\"name\":\"_message\",\"type\":\"bytes\"}],\"name\":\"relayMessage\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"}]",
+// L2ScrollMessengerMetaData contains all meta data concerning the L2ScrollMessenger contract.
+var L2ScrollMessengerMetaData = &bind.MetaData{
+	ABI: "[{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"messageHash\",\"type\":\"bytes32\"}],\"name\":\"FailedRelayedMessage\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"messageHash\",\"type\":\"bytes32\"}],\"name\":\"RelayedMessage\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"sender\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"target\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"value\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"messageNonce\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"gasLimit\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"bytes\",\"name\":\"message\",\"type\":\"bytes\"}],\"name\":\"SentMessage\",\"type\":\"event\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"from\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"value\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"nonce\",\"type\":\"uint256\"},{\"internalType\":\"bytes\",\"name\":\"message\",\"type\":\"bytes\"}],\"name\":\"relayMessage\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"from\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"value\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"nonce\",\"type\":\"uint256\"},{\"internalType\":\"bytes\",\"name\":\"message\",\"type\":\"bytes\"},{\"components\":[{\"internalType\":\"bytes32\",\"name\":\"blockHash\",\"type\":\"bytes32\"},{\"internalType\":\"bytes\",\"name\":\"stateRootProof\",\"type\":\"bytes\"}],\"internalType\":\"structIL2ScrollMessenger.L1MessageProof\",\"name\":\"proof\",\"type\":\"tuple\"}],\"name\":\"retryMessageWithProof\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"target\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"value\",\"type\":\"uint256\"},{\"internalType\":\"bytes\",\"name\":\"message\",\"type\":\"bytes\"},{\"internalType\":\"uint256\",\"name\":\"gasLimit\",\"type\":\"uint256\"}],\"name\":\"sendMessage\",\"outputs\":[],\"stateMutability\":\"payable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"xDomainMessageSender\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"}]",
 }
 
-// IZKRollupBlockHeader is an auto generated low-level Go binding around an user-defined struct.
-type IZKRollupBlockHeader struct {
-	BlockHash   [32]byte
-	ParentHash  [32]byte
-	BaseFee     *big.Int
-	StateRoot   [32]byte
-	BlockHeight uint64
-	GasUsed     uint64
-	Timestamp   uint64
-	ExtraData   []byte
+// L1BlockContainerMetaData contains all meta data concerning the L1BlockContainer contract.
+var L1BlockContainerMetaData = &bind.MetaData{
+	ABI: "[{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"blockHash\",\"type\":\"bytes32\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"blockHeight\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"blockTimestamp\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"baseFee\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"bytes32\",\"name\":\"stateRoot\",\"type\":\"bytes32\"}],\"name\":\"ImportBlock\",\"type\":\"event\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"blockHash\",\"type\":\"bytes32\"}],\"name\":\"getBlockTimestamp\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"timestamp\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"blockHash\",\"type\":\"bytes32\"}],\"name\":\"getStateRoot\",\"outputs\":[{\"internalType\":\"bytes32\",\"name\":\"stateRoot\",\"type\":\"bytes32\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"blockHash\",\"type\":\"bytes32\"},{\"internalType\":\"bytes\",\"name\":\"blockHeaderRLP\",\"type\":\"bytes\"},{\"internalType\":\"bool\",\"name\":\"updateGasPriceOracle\",\"type\":\"bool\"}],\"name\":\"importBlockHeader\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"latestBaseFee\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"latestBlockHash\",\"outputs\":[{\"internalType\":\"bytes32\",\"name\":\"\",\"type\":\"bytes32\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"latestBlockNumber\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"latestBlockTimestamp\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"}]",
 }
 
-// IZKRollupLayer2Transaction is an auto generated low-level Go binding around an user-defined struct.
-type IZKRollupLayer2Transaction struct {
-	Caller   common.Address
-	Nonce    uint64
-	Target   common.Address
-	Gas      uint64
-	GasPrice *big.Int
-	Value    *big.Int
-	Data     []byte
+// L2MessageQueueMetaData contains all meta data concerning the L2MessageQueue contract.
+var L2MessageQueueMetaData = &bind.MetaData{
+	ABI: "[{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_owner\",\"type\":\"address\"}],\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"index\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"bytes32\",\"name\":\"messageHash\",\"type\":\"bytes32\"}],\"name\":\"AppendMessage\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"_oldOwner\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"_newOwner\",\"type\":\"address\"}],\"name\":\"OwnershipTransferred\",\"type\":\"event\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"_messageHash\",\"type\":\"bytes32\"}],\"name\":\"appendMessage\",\"outputs\":[{\"internalType\":\"bytes32\",\"name\":\"\",\"type\":\"bytes32\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"name\":\"branches\",\"outputs\":[{\"internalType\":\"bytes32\",\"name\":\"\",\"type\":\"bytes32\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"initialize\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"messageRoot\",\"outputs\":[{\"internalType\":\"bytes32\",\"name\":\"\",\"type\":\"bytes32\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"messenger\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"nextMessageIndex\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"owner\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"renounceOwnership\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_newOwner\",\"type\":\"address\"}],\"name\":\"transferOwnership\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_messenger\",\"type\":\"address\"}],\"name\":\"updateMessenger\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"}]",
+}
+
+// L1GasPriceOracleMetaData contains all meta data concerning the L1GasPriceOracle contract.
+var L1GasPriceOracleMetaData = &bind.MetaData{
+	ABI: "[{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_owner\",\"type\":\"address\"}],\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"l1BaseFee\",\"type\":\"uint256\"}],\"name\":\"L1BaseFeeUpdated\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"overhead\",\"type\":\"uint256\"}],\"name\":\"OverheadUpdated\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"_oldOwner\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"_newOwner\",\"type\":\"address\"}],\"name\":\"OwnershipTransferred\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"scalar\",\"type\":\"uint256\"}],\"name\":\"ScalarUpdated\",\"type\":\"event\"},{\"inputs\":[{\"internalType\":\"bytes\",\"name\":\"_data\",\"type\":\"bytes\"}],\"name\":\"getL1Fee\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes\",\"name\":\"_data\",\"type\":\"bytes\"}],\"name\":\"getL1GasUsed\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"l1BaseFee\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"overhead\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"owner\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"renounceOwnership\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"scalar\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"_l1BaseFee\",\"type\":\"uint256\"}],\"name\":\"setL1BaseFee\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"_overhead\",\"type\":\"uint256\"}],\"name\":\"setOverhead\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"_scalar\",\"type\":\"uint256\"}],\"name\":\"setScalar\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_newOwner\",\"type\":\"address\"}],\"name\":\"transferOwnership\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"}]",
 }
 
 // IL1ScrollMessengerL2MessageProof is an auto generated low-level Go binding around an user-defined struct.
 type IL1ScrollMessengerL2MessageProof struct {
-	BlockNumber *big.Int
+	BatchHash   common.Hash
 	MerkleProof []byte
 }
+
+// IScrollChainBatch is an auto generated low-level Go binding around an user-defined struct.
+type IScrollChainBatch struct {
+	Blocks           []IScrollChainBlockContext
+	PrevStateRoot    common.Hash
+	NewStateRoot     common.Hash
+	WithdrawTrieRoot common.Hash
+	BatchIndex       uint64
+	ParentBatchHash  common.Hash
+	L2Transactions   []byte
+}
+
+// IScrollChainBlockContext is an auto generated low-level Go binding around an user-defined struct.
+type IScrollChainBlockContext struct {
+	BlockHash       common.Hash
+	ParentHash      common.Hash
+	BlockNumber     uint64
+	Timestamp       uint64
+	BaseFee         *big.Int
+	GasLimit        uint64
+	NumTransactions uint16
+	NumL1Messages   uint16
+}
+
+// L1CommitBatchEvent represents a CommitBatch event raised by the ScrollChain contract.
+type L1CommitBatchEvent struct {
+	BatchHash common.Hash
+}
+
+// L1FinalizeBatchEvent represents a FinalizeBatch event raised by the ScrollChain contract.
+type L1FinalizeBatchEvent struct {
+	BatchHash common.Hash
+}
+
+// L1RevertBatchEvent represents a RevertBatch event raised by the ScrollChain contract.
+type L1RevertBatchEvent struct {
+	BatchHash common.Hash
+}
+
+// L1QueueTransactionEvent represents a QueueTransaction event raised by the L1MessageQueue contract.
+type L1QueueTransactionEvent struct {
+	Sender     common.Address
+	Target     common.Address
+	Value      *big.Int
+	QueueIndex *big.Int
+	GasLimit   *big.Int
+	Data       []byte
+}
+
+// L1SentMessageEvent represents a SentMessage event raised by the L1ScrollMessenger contract.
+type L1SentMessageEvent struct {
+	Sender       common.Address
+	Target       common.Address
+	Value        *big.Int
+	MessageNonce *big.Int
+	GasLimit     *big.Int
+	Message      []byte
+}
+
+// L1FailedRelayedMessageEvent represents a FailedRelayedMessage event raised by the L1ScrollMessenger contract.
+type L1FailedRelayedMessageEvent struct {
+	MessageHash common.Hash
+}
+
+// L1RelayedMessageEvent represents a RelayedMessage event raised by the L1ScrollMessenger contract.
+type L1RelayedMessageEvent struct {
+	MessageHash common.Hash
+}
+
+// L2AppendMessageEvent represents a AppendMessage event raised by the L2MessageQueue contract.
+type L2AppendMessageEvent struct {
+	Index       *big.Int
+	MessageHash common.Hash
+}
+
+// L2ImportBlockEvent represents a ImportBlock event raised by the L1BlockContainer contract.
+type L2ImportBlockEvent struct {
+	BlockHash      common.Hash
+	BlockHeight    *big.Int
+	BlockTimestamp *big.Int
+	BaseFee        *big.Int
+	StateRoot      common.Hash
+}
+
+// L2SentMessageEvent represents a SentMessage event raised by the L2ScrollMessenger contract.
+type L2SentMessageEvent struct {
+	Sender       common.Address
+	Target       common.Address
+	Value        *big.Int
+	MessageNonce *big.Int
+	GasLimit     *big.Int
+	Message      []byte
+}
+
+// L2FailedRelayedMessageEvent represents a FailedRelayedMessage event raised by the L2ScrollMessenger contract.
+type L2FailedRelayedMessageEvent struct {
+	MessageHash common.Hash
+}
+
+// L2RelayedMessageEvent represents a RelayedMessage event raised by the L2ScrollMessenger contract.
+type L2RelayedMessageEvent struct {
+	MessageHash common.Hash
+}
+
+// GetBatchCalldataLength gets the calldata bytelen of IScrollChainBatch.
+func GetBatchCalldataLength(batch *IScrollChainBatch) uint64 {
+	return uint64(5*32 + len(batch.L2Transactions) + len(batch.Blocks)*8*32)
+}

bridge/abi/bridge_abi_test.go

@@ -10,56 +10,74 @@ import (
 	bridge_abi "scroll-tech/bridge/abi"
 )
 
-func TestPackRelayMessageWithProof(t *testing.T) {
+func TestEventSignature(t *testing.T) {
 	assert := assert.New(t)
 
-	l1MessengerABI, err := bridge_abi.L1MessengerMetaData.GetAbi()
+	assert.Equal(bridge_abi.L1SentMessageEventSignature, common.HexToHash("104371f3b442861a2a7b82a070afbbaab748bb13757bf47769e170e37809ec1e"))
+	assert.Equal(bridge_abi.L1RelayedMessageEventSignature, common.HexToHash("4641df4a962071e12719d8c8c8e5ac7fc4d97b927346a3d7a335b1f7517e133c"))
+	assert.Equal(bridge_abi.L1FailedRelayedMessageEventSignature, common.HexToHash("99d0e048484baa1b1540b1367cb128acd7ab2946d1ed91ec10e3c85e4bf51b8f"))
+
+	assert.Equal(bridge_abi.L1CommitBatchEventSignature, common.HexToHash("2cdc615c74452778c0fb6184735e014c13aad2b62774fe0b09bd1dcc2cc14a62"))
+	assert.Equal(bridge_abi.L1FinalizeBatchEventSignature, common.HexToHash("6be443154c959a7a1645b4392b6fa97d8e8ab6e8fd853d7085e8867083737d79"))
+
+	assert.Equal(bridge_abi.L1QueueTransactionEventSignature, common.HexToHash("bdcc7517f8fe3db6506dfd910942d0bbecaf3d6a506dadea65b0d988e75b9439"))
+
+	assert.Equal(bridge_abi.L2SentMessageEventSignature, common.HexToHash("104371f3b442861a2a7b82a070afbbaab748bb13757bf47769e170e37809ec1e"))
+	assert.Equal(bridge_abi.L2RelayedMessageEventSignature, common.HexToHash("4641df4a962071e12719d8c8c8e5ac7fc4d97b927346a3d7a335b1f7517e133c"))
+	assert.Equal(bridge_abi.L2FailedRelayedMessageEventSignature, common.HexToHash("99d0e048484baa1b1540b1367cb128acd7ab2946d1ed91ec10e3c85e4bf51b8f"))
+
+	assert.Equal(bridge_abi.L2ImportBlockEventSignature, common.HexToHash("a7823f45e1ee21f9530b77959b57507ad515a14fa9fa24d262ee80e79b2b5745"))
+
+	assert.Equal(bridge_abi.L2AppendMessageEventSignature, common.HexToHash("faa617c2d8ce12c62637dbce76efcc18dae60574aa95709bdcedce7e76071693"))
+}
+
+func TestPackRelayL2MessageWithProof(t *testing.T) {
+	assert := assert.New(t)
+	l1MessengerABI, err := bridge_abi.L1ScrollMessengerMetaData.GetAbi()
 	assert.NoError(err)
 
 	proof := bridge_abi.IL1ScrollMessengerL2MessageProof{
-		BlockNumber: big.NewInt(0),
+		BatchHash:   common.Hash{},
 		MerkleProof: make([]byte, 0),
 	}
-	_, err = l1MessengerABI.Pack("relayMessageWithProof", common.Address{}, common.Address{}, big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), make([]byte, 0), proof)
+	_, err = l1MessengerABI.Pack("relayMessageWithProof", common.Address{}, common.Address{}, big.NewInt(0), big.NewInt(0), make([]byte, 0), proof)
 	assert.NoError(err)
 }
 
-func TestPackCommitBlock(t *testing.T) {
+func TestPackCommitBatch(t *testing.T) {
 	assert := assert.New(t)
 
-	l1RollupABI, err := bridge_abi.RollupMetaData.GetAbi()
+	scrollChainABI, err := bridge_abi.ScrollChainMetaData.GetAbi()
 	assert.NoError(err)
 
-	header := bridge_abi.IZKRollupBlockHeader{
-		BlockHash:   common.Hash{},
-		ParentHash:  common.Hash{},
-		BaseFee:     big.NewInt(0),
-		StateRoot:   common.Hash{},
-		BlockHeight: 0,
-		GasUsed:     0,
-		Timestamp:   0,
-		ExtraData:   make([]byte, 0),
+	header := bridge_abi.IScrollChainBlockContext{
+		BlockHash:       common.Hash{},
+		ParentHash:      common.Hash{},
+		BlockNumber:     0,
+		Timestamp:       0,
+		BaseFee:         big.NewInt(0),
+		GasLimit:        0,
+		NumTransactions: 0,
+		NumL1Messages:   0,
 	}
-	txns := make([]bridge_abi.IZKRollupLayer2Transaction, 5)
-	for i := 0; i < 5; i++ {
-		txns[i] = bridge_abi.IZKRollupLayer2Transaction{
-			Caller:   common.Address{},
-			Target:   common.Address{},
-			Nonce:    0,
-			Gas:      0,
-			GasPrice: big.NewInt(0),
-			Value:    big.NewInt(0),
-			Data:     make([]byte, 0),
-		}
+
+	batch := bridge_abi.IScrollChainBatch{
+		Blocks:           []bridge_abi.IScrollChainBlockContext{header},
+		PrevStateRoot:    common.Hash{},
+		NewStateRoot:     common.Hash{},
+		WithdrawTrieRoot: common.Hash{},
+		BatchIndex:       0,
+		L2Transactions:   make([]byte, 0),
 	}
-	_, err = l1RollupABI.Pack("commitBlock", header, txns)
+
+	_, err = scrollChainABI.Pack("commitBatch", batch)
 	assert.NoError(err)
 }
 
-func TestPackFinalizeBlockWithProof(t *testing.T) {
+func TestPackFinalizeBatchWithProof(t *testing.T) {
 	assert := assert.New(t)
 
-	l1RollupABI, err := bridge_abi.RollupMetaData.GetAbi()
+	l1RollupABI, err := bridge_abi.ScrollChainMetaData.GetAbi()
 	assert.NoError(err)
 
 	proof := make([]*big.Int, 10)
@@ -69,16 +87,47 @@ func TestPackFinalizeBlockWithProof(t *testing.T) {
 		instance[i] = big.NewInt(0)
 	}
 
-	_, err = l1RollupABI.Pack("finalizeBlockWithProof", common.Hash{}, proof, instance)
+	_, err = l1RollupABI.Pack("finalizeBatchWithProof", common.Hash{}, proof, instance)
 	assert.NoError(err)
 }
 
-func TestPackRelayMessage(t *testing.T) {
+func TestPackRelayL1Message(t *testing.T) {
 	assert := assert.New(t)
 
-	l2MessengerABI, err := bridge_abi.L2MessengerMetaData.GetAbi()
+	l2MessengerABI, err := bridge_abi.L2ScrollMessengerMetaData.GetAbi()
 	assert.NoError(err)
 
-	_, err = l2MessengerABI.Pack("relayMessage", common.Address{}, common.Address{}, big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), make([]byte, 0))
+	_, err = l2MessengerABI.Pack("relayMessage", common.Address{}, common.Address{}, big.NewInt(0), big.NewInt(0), make([]byte, 0))
+	assert.NoError(err)
+}
+
+func TestPackSetL1BaseFee(t *testing.T) {
+	assert := assert.New(t)
+
+	l1GasOracleABI, err := bridge_abi.L1GasPriceOracleMetaData.GetAbi()
+	assert.NoError(err)
+
+	baseFee := big.NewInt(2333)
+	_, err = l1GasOracleABI.Pack("setL1BaseFee", baseFee)
+	assert.NoError(err)
+}
+
+func TestPackSetL2BaseFee(t *testing.T) {
+	assert := assert.New(t)
+
+	l2GasOracleABI, err := bridge_abi.L2GasPriceOracleMetaData.GetAbi()
+	assert.NoError(err)
+
+	baseFee := big.NewInt(2333)
+	_, err = l2GasOracleABI.Pack("setL2BaseFee", baseFee)
+	assert.NoError(err)
+}
+
+func TestPackImportBlock(t *testing.T) {
+	assert := assert.New(t)
+
+	l1BlockContainerABI := bridge_abi.L1BlockContainerABI
+
+	_, err := l1BlockContainerABI.Pack("importBlockHeader", common.Hash{}, make([]byte, 0), false)
 	assert.NoError(err)
 }

bridge/cmd/app/app.go

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

bridge/cmd/app/app_test.go

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

bridge/cmd/app/flags.go

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

bridge/cmd/db_client.go

@@ -1,88 +0,0 @@
-package main
-
-import (
-	"scroll-tech/bridge/config"
-
-	"github.com/jmoiron/sqlx"
-	"github.com/urfave/cli/v2"
-
-	"github.com/scroll-tech/go-ethereum/log"
-
-	"scroll-tech/database"
-	"scroll-tech/database/migrate"
-)
-
-func initDB(file string) (*sqlx.DB, error) {
-	cfg, err := config.NewConfig(file)
-	if err != nil {
-		return nil, err
-	}
-	dbCfg := cfg.DBConfig
-	factory, err := database.NewOrmFactory(dbCfg)
-	if err != nil {
-		return nil, err
-	}
-	log.Debug("Got db config from env", "driver name", dbCfg.DriverName, "dsn", dbCfg.DSN)
-
-	return factory.GetDB(), nil
-}
-
-// ResetDB clean or reset database.
-func ResetDB(ctx *cli.Context) error {
-	db, err := initDB(ctx.String(configFileFlag.Name))
-	if err != nil {
-		return err
-	}
-
-	var version int64
-	err = migrate.Rollback(db.DB, &version)
-	if err != nil {
-		return err
-	}
-	log.Info("successful to reset", "init version", version)
-
-	return nil
-}
-
-// CheckDBStatus check db status
-func CheckDBStatus(ctx *cli.Context) error {
-	db, err := initDB(ctx.String(configFileFlag.Name))
-	if err != nil {
-		return err
-	}
-
-	return migrate.Status(db.DB)
-}
-
-// DBVersion return the latest version
-func DBVersion(ctx *cli.Context) error {
-	db, err := initDB(ctx.String(configFileFlag.Name))
-	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 {
-	db, err := initDB(ctx.String(configFileFlag.Name))
-	if err != nil {
-		return err
-	}
-
-	return migrate.Migrate(db.DB)
-}
-
-// RollbackDB rollback db by version
-func RollbackDB(ctx *cli.Context) error {
-	db, err := initDB(ctx.String(configFileFlag.Name))
-	if err != nil {
-		return err
-	}
-	version := ctx.Int64("version")
-	return migrate.Rollback(db.DB, &version)
-}

bridge/cmd/flags.go

@@ -1,93 +0,0 @@
-package main
-
-import "github.com/urfave/cli/v2"
-
-var (
-	commonFlags = []cli.Flag{
-		&configFileFlag,
-		&verbosityFlag,
-		&logFileFlag,
-		&logJSONFormat,
-		&logDebugFlag,
-	}
-	// 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 sequencer where to write log entries",
-	}
-	logJSONFormat = cli.BoolFlag{
-		Name:  "log.json",
-		Usage: "Tells the sequencer whether log format is json or not",
-		Value: true,
-	}
-	logDebugFlag = cli.BoolFlag{
-		Name:  "log.debug",
-		Usage: "Prepends log messages with call-site location (file and line number)",
-	}
-	apiFlags = []cli.Flag{
-		&httpEnabledFlag,
-		&httpListenAddrFlag,
-		&httpPortFlag,
-	}
-	// httpEnabledFlag enable rpc server.
-	httpEnabledFlag = cli.BoolFlag{
-		Name:  "http",
-		Usage: "Enable the HTTP-RPC server",
-		Value: false,
-	}
-	// httpListenAddrFlag set the http address.
-	httpListenAddrFlag = cli.StringFlag{
-		Name:  "http.addr",
-		Usage: "HTTP-RPC server listening interface",
-		Value: "localhost",
-	}
-	// httpPortFlag set http.port.
-	httpPortFlag = cli.IntFlag{
-		Name:  "http.port",
-		Usage: "HTTP-RPC server listening port",
-		Value: 8290,
-	}
-
-	l1Flags = []cli.Flag{
-		&l1ChainIDFlag,
-		&l1UrlFlag,
-	}
-	l1ChainIDFlag = cli.IntFlag{
-		Name:  "l1.chainID",
-		Usage: "l1 chain id",
-		Value: 4,
-	}
-	l1UrlFlag = cli.StringFlag{
-		Name:  "l1.endpoint",
-		Usage: "The endpoint connect to l1chain node",
-		Value: "https://goerli.infura.io/v3/9aa3d95b3bc440fa88ea12eaa4456161",
-	}
-
-	l2Flags = []cli.Flag{
-		&l2ChainIDFlag,
-		&l2UrlFlag,
-	}
-	l2ChainIDFlag = cli.IntFlag{
-		Name:  "l2.chainID",
-		Usage: "l2 chain id",
-		Value: 53077,
-	}
-	l2UrlFlag = cli.StringFlag{
-		Name:  "l2.endpoint",
-		Usage: "The endpoint connect to l2chain node",
-		Value: "/var/lib/jenkins/workspace/SequencerPipeline/MyPrivateNetwork/geth.ipc",
-	}
-)

bridge/cmd/main.go

@@ -1,191 +1,7 @@
 package main
 
-import (
-	"fmt"
-	"os"
-	"os/signal"
-
-	"github.com/scroll-tech/go-ethereum/log"
-	"github.com/scroll-tech/go-ethereum/rpc"
-	"github.com/urfave/cli/v2"
-
-	"scroll-tech/common/utils"
-	"scroll-tech/common/version"
-	"scroll-tech/database"
-
-	"scroll-tech/bridge/config"
-	"scroll-tech/bridge/l1"
-	"scroll-tech/bridge/l2"
-)
+import "scroll-tech/bridge/cmd/app"
 
 func main() {
-	// Set up Bridge app info.
-	app := cli.NewApp()
-
-	app.Action = action
-	app.Name = "bridge"
-	app.Usage = "The Scroll Bridge"
-	app.Version = version.Version
-	app.Flags = append(app.Flags, commonFlags...)
-	app.Flags = append(app.Flags, apiFlags...)
-	app.Flags = append(app.Flags, l1Flags...)
-	app.Flags = append(app.Flags, l2Flags...)
-
-	app.Before = func(ctx *cli.Context) error {
-		return utils.Setup(&utils.LogConfig{
-			LogFile:       ctx.String(logFileFlag.Name),
-			LogJSONFormat: ctx.Bool(logJSONFormat.Name),
-			LogDebug:      ctx.Bool(logDebugFlag.Name),
-			Verbosity:     ctx.Int(verbosityFlag.Name),
-		})
-	}
-	app.Commands = []*cli.Command{
-		{
-			Name:   "reset",
-			Usage:  "Clean and reset database.",
-			Action: ResetDB,
-			Flags: []cli.Flag{
-				&configFileFlag,
-			},
-		},
-		{
-			Name:   "status",
-			Usage:  "Check migration status.",
-			Action: CheckDBStatus,
-			Flags: []cli.Flag{
-				&configFileFlag,
-			},
-		},
-		{
-			Name:   "version",
-			Usage:  "Display the current database version.",
-			Action: DBVersion,
-			Flags: []cli.Flag{
-				&configFileFlag,
-			},
-		},
-		{
-			Name:   "migrate",
-			Usage:  "Migrate the database to the latest version.",
-			Action: MigrateDB,
-			Flags: []cli.Flag{
-				&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{
-				&configFileFlag,
-				&cli.IntFlag{
-					Name:  "version",
-					Usage: "Rollback to the specified version.",
-					Value: 0,
-				},
-			},
-		},
-	}
-
-	// Run the sequencer.
-	if err := app.Run(os.Args); err != nil {
-		_, _ = fmt.Fprintln(os.Stderr, err)
-		os.Exit(1)
-	}
-}
-
-func applyConfig(ctx *cli.Context, cfg *config.Config) {
-	if ctx.IsSet(l1ChainIDFlag.Name) {
-		cfg.L1Config.ChainID = ctx.Int64(l1ChainIDFlag.Name)
-	}
-	if ctx.IsSet(l1UrlFlag.Name) {
-		cfg.L1Config.Endpoint = ctx.String(l1UrlFlag.Name)
-	}
-	if ctx.IsSet(l2ChainIDFlag.Name) {
-		cfg.L2Config.ChainID = ctx.Int64(l2ChainIDFlag.Name)
-	}
-	if ctx.IsSet(l2UrlFlag.Name) {
-		cfg.L2Config.Endpoint = ctx.String(l2UrlFlag.Name)
-	}
-}
-
-func action(ctx *cli.Context) error {
-	// Load config file.
-	cfgFile := ctx.String(configFileFlag.Name)
-	cfg, err := config.NewConfig(cfgFile)
-	if err != nil {
-		log.Crit("failed to load config file", "config file", cfgFile, "error", err)
-	}
-	applyConfig(ctx, cfg)
-
-	// init db connection
-	var ormFactory database.OrmFactory
-	if ormFactory, err = database.NewOrmFactory(cfg.DBConfig); err != nil {
-		log.Crit("failed to init db connection", "err", err)
-	}
-
-	var (
-		l1Backend *l1.Backend
-		l2Backend *l2.Backend
-	)
-	// @todo change nil to actual client after https://scroll-tech/bridge/pull/40 merged
-	l1Backend, err = l1.New(ctx.Context, cfg.L1Config, ormFactory)
-	if err != nil {
-		return err
-	}
-	l2Backend, err = l2.New(ctx.Context, cfg.L2Config, ormFactory)
-	if err != nil {
-		return err
-	}
-	defer func() {
-		l1Backend.Stop()
-		l2Backend.Stop()
-		err = ormFactory.Close()
-		if err != nil {
-			log.Error("can not close ormFactory", err)
-		}
-	}()
-
-	// Start all modules.
-	if err = l1Backend.Start(); err != nil {
-		log.Crit("couldn't start l1 backend", "error", err)
-	}
-	if err = l2Backend.Start(); err != nil {
-		log.Crit("couldn't start l2 backend", "error", err)
-	}
-
-	// Register api and start rpc service.
-	if ctx.Bool(httpEnabledFlag.Name) {
-		srv := rpc.NewServer()
-		apis := l2Backend.APIs()
-		for _, api := range apis {
-			if err = srv.RegisterName(api.Namespace, api.Service); err != nil {
-				log.Crit("register namespace failed", "namespace", api.Namespace, "error", err)
-			}
-		}
-		handler, addr, err := utils.StartHTTPEndpoint(
-			fmt.Sprintf(
-				"%s:%d",
-				ctx.String(httpListenAddrFlag.Name),
-				ctx.Int(httpPortFlag.Name)),
-			rpc.DefaultHTTPTimeouts,
-			srv)
-		if err != nil {
-			log.Crit("Could not start RPC api", "error", err)
-		}
-		defer func() {
-			_ = handler.Shutdown(ctx.Context)
-			log.Info("HTTP endpoint closed", "url", fmt.Sprintf("http://%v/", addr))
-		}()
-		log.Info("HTTP endpoint opened", "url", fmt.Sprintf("http://%v/", addr))
-	}
-
-	// 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
+	app.Run()
 }

bridge/config.json

@@ -1,53 +1,89 @@
 {
   "l1_config": {
-    "confirmations": 6,
-    "chain_id": 4,
+    "confirmations": "0x6",
     "endpoint": "https://goerli.infura.io/v3/9aa3d95b3bc440fa88ea12eaa4456161",
     "l1_messenger_address": "0x0000000000000000000000000000000000000000",
+    "l1_message_queue_address": "0x0000000000000000000000000000000000000000",
+    "scroll_chain_address": "0x0000000000000000000000000000000000000000",
     "start_height": 0,
     "relayer_config": {
       "messenger_contract_address": "0x0000000000000000000000000000000000000000",
+      "gas_price_oracle_address": "0x0000000000000000000000000000000000000000",
       "sender_config": {
         "endpoint": "/var/lib/jenkins/workspace/SequencerPipeline/MyPrivateNetwork/geth.ipc",
-        "check_pending_time": 3,
+        "check_pending_time": 2,
         "escalate_blocks": 100,
-        "confirmations": 1,
+        "confirmations": "0x1",
         "escalate_multiple_num": 11,
         "escalate_multiple_den": 10,
         "max_gas_price": 10000000000,
-        "tx_type": "AccessListTx"
+        "tx_type": "LegacyTx",
+        "min_balance": 100000000000000000000
       },
-      "private_key": "abc123abc123abc123abc123abc123abc123abc123abc123abc123abc123abc1"
+      "gas_oracle_config": {
+        "min_gas_price": 0,
+        "gas_price_diff": 50000
+      },
+      "message_sender_private_keys": [
+        "1212121212121212121212121212121212121212121212121212121212121212"
+      ],
+      "gas_oracle_sender_private_keys": [
+        "1212121212121212121212121212121212121212121212121212121212121212"
+      ]
     }
   },
   "l2_config": {
-    "confirmations": 1,
-    "chain_id": 53077,
-    "proof_generation_freq": 1,
-    "skipped_opcodes": [
-      "CREATE2",
-      "DELEGATECALL"
-    ],
+    "confirmations": "0x1",
     "endpoint": "/var/lib/jenkins/workspace/SequencerPipeline/MyPrivateNetwork/geth.ipc",
     "l2_messenger_address": "0x0000000000000000000000000000000000000000",
+    "l2_message_queue_address": "0x0000000000000000000000000000000000000000",
     "relayer_config": {
-      "messenger_contract_address": "0x0000000000000000000000000000000000000000",
       "rollup_contract_address": "0x0000000000000000000000000000000000000000",
+      "messenger_contract_address": "0x0000000000000000000000000000000000000000",
+      "gas_price_oracle_address": "0x0000000000000000000000000000000000000000",
       "sender_config": {
         "endpoint": "https://goerli.infura.io/v3/9aa3d95b3bc440fa88ea12eaa4456161",
         "check_pending_time": 10,
         "escalate_blocks": 100,
-        "confirmations": 6,
+        "confirmations": "0x6",
         "escalate_multiple_num": 11,
         "escalate_multiple_den": 10,
         "max_gas_price": 10000000000,
-        "tx_type": "DynamicFeeTx"
+        "tx_type": "LegacyTx",
+        "min_balance": 100000000000000000000
       },
-      "private_key": "1212121212121212121212121212121212121212121212121212121212121212"
+      "gas_oracle_config": {
+        "min_gas_price": 0,
+        "gas_price_diff": 50000
+      },
+      "message_sender_private_keys": [
+        "1212121212121212121212121212121212121212121212121212121212121212"
+      ],
+      "gas_oracle_sender_private_keys": [
+        "1212121212121212121212121212121212121212121212121212121212121212"
+      ],
+      "rollup_sender_private_keys": [
+        "1212121212121212121212121212121212121212121212121212121212121212"
+      ]
+    },
+    "batch_proposer_config": {
+      "proof_generation_freq": 1,
+      "batch_gas_threshold": 3000000,
+      "batch_tx_num_threshold": 44,
+      "batch_time_sec": 300,
+      "batch_commit_time_sec": 1200,
+      "batch_blocks_limit": 100,
+      "commit_tx_calldata_size_limit": 200000,
+      "public_input_config": {
+        "max_tx_num": 44,
+        "padding_tx_hash": "0x0000000000000000000000000000000000000000000000000000000000000000"
+      }
     }
   },
   "db_config": {
     "driver_name": "postgres",
-    "dsn": "postgres://admin:123456@localhost/test?sslmode=disable"
+    "dsn": "postgres://admin:123456@localhost/test?sslmode=disable",
+    "maxOpenNum": 200,
+    "maxIdleNum": 20
   }
-}
+}

bridge/config/config.go

@@ -5,84 +5,14 @@ import (
 	"os"
 	"path/filepath"
 
-	"github.com/scroll-tech/go-ethereum/common"
-
-	"scroll-tech/common/utils"
-
-	db_config "scroll-tech/database"
+	"scroll-tech/database"
 )
 
-// SenderConfig The config for transaction sender
-type SenderConfig struct {
-	// The RPC endpoint of the ethereum or scroll public node.
-	Endpoint string `json:"endpoint"`
-	// The time to trigger check pending txs in sender.
-	CheckPendingTime uint64 `json:"check_pending_time"`
-	// The number of blocks to wait to escalate increase gas price of the transaction.
-	EscalateBlocks uint64 `json:"escalate_blocks"`
-	// The gap number between a block be confirmed and the latest block.
-	Confirmations uint64 `json:"confirmations"`
-	// The numerator of gas price escalate multiple.
-	EscalateMultipleNum uint64 `json:"escalate_multiple_num"`
-	// The denominator of gas price escalate multiple.
-	EscalateMultipleDen uint64 `json:"escalate_multiple_den"`
-	// The maximum gas price can be used to send transaction.
-	MaxGasPrice uint64 `json:"max_gas_price"`
-	// the transaction type to use: LegacyTx, AccessListTx, DynamicFeeTx
-	TxType string `json:"tx_type"`
-}
-
-// L1Config loads l1eth configuration items.
-type L1Config struct {
-	// Confirmations block height confirmations number.
-	Confirmations uint64 `json:"confirmations"`
-	// l1 chainID.
-	ChainID int64 `json:"chain_id"`
-	// l1 eth node url.
-	Endpoint string `json:"endpoint"`
-	// The start height to sync event from layer 1
-	StartHeight uint64 `json:"start_height"`
-	// The messenger contract address deployed on layer 1 chain.
-	L1MessengerAddress common.Address `json:"l1_messenger_address,omitempty"`
-	// The relayer config
-	RelayerConfig *RelayerConfig `json:"relayer_config"`
-}
-
-// L2Config loads l2geth configuration items.
-type L2Config struct {
-	// Confirmations block height confirmations number.
-	Confirmations uint64 `json:"confirmations"`
-	// l2geth chainId.
-	ChainID int64 `json:"chain_id"`
-	// l2geth node url.
-	Endpoint string `json:"endpoint"`
-	// The messenger contract address deployed on layer 2 chain.
-	L2MessengerAddress common.Address `json:"l2_messenger_address,omitempty"`
-	// Proof generation frequency, generating proof every k blocks
-	ProofGenerationFreq uint64 `json:"proof_generation_freq"`
-	// Skip generating proof when that opcodes appeared
-	SkippedOpcodes []string `json:"skipped_opcodes"`
-	// The relayer config
-	RelayerConfig *RelayerConfig `json:"relayer_config"`
-}
-
-// RelayerConfig loads relayer configuration items.
-type RelayerConfig struct {
-	// RollupContractAddress store the rollup contract address.
-	RollupContractAddress common.Address `json:"rollup_contract_address,omitempty"`
-	// MessengerContractAddress store the scroll messenger contract address.
-	MessengerContractAddress common.Address `json:"messenger_contract_address"`
-	// sender config
-	SenderConfig *SenderConfig `json:"sender_config"`
-	// The private key of the relayer
-	PrivateKey string `json:"private_key"`
-}
-
 // Config load configuration items.
 type Config struct {
-	L1Config *L1Config           `json:"l1_config"`
-	L2Config *L2Config           `json:"l2_config"`
-	DBConfig *db_config.DBConfig `json:"db_config"`
+	L1Config *L1Config          `json:"l1_config"`
+	L2Config *L2Config          `json:"l2_config"`
+	DBConfig *database.DBConfig `json:"db_config"`
 }
 
 // NewConfig returns a new instance of Config.
@@ -98,9 +28,5 @@ func NewConfig(file string) (*Config, error) {
 		return nil, err
 	}
 
-	// cover value by env fields
-	cfg.DBConfig.DSN = utils.GetEnvWithDefault("DB_DSN", cfg.DBConfig.DSN)
-	cfg.DBConfig.DriverName = utils.GetEnvWithDefault("DB_DRIVER", cfg.DBConfig.DriverName)
-
 	return cfg, nil
 }

bridge/config/config_test.go

@@ -0,0 +1,37 @@
+package config_test
+
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+
+	"scroll-tech/bridge/config"
+)
+
+func TestConfig(t *testing.T) {
+	cfg, err := config.NewConfig("../config.json")
+	assert.True(t, assert.NoError(t, err), "failed to load config")
+
+	assert.Equal(t, 1, len(cfg.L1Config.RelayerConfig.MessageSenderPrivateKeys))
+	assert.Equal(t, 1, len(cfg.L2Config.RelayerConfig.MessageSenderPrivateKeys))
+	assert.Equal(t, 1, len(cfg.L2Config.RelayerConfig.RollupSenderPrivateKeys))
+
+	data, err := json.Marshal(cfg)
+	assert.NoError(t, err)
+
+	tmpJosn := fmt.Sprintf("/tmp/%d_bridge_config.json", time.Now().Nanosecond())
+	defer func() { _ = os.Remove(tmpJosn) }()
+
+	assert.NoError(t, os.WriteFile(tmpJosn, data, 0644))
+
+	cfg2, err := config.NewConfig(tmpJosn)
+	assert.NoError(t, err)
+
+	assert.Equal(t, cfg.L1Config, cfg2.L1Config)
+	assert.Equal(t, cfg.L2Config, cfg2.L2Config)
+	assert.Equal(t, cfg.DBConfig, cfg2.DBConfig)
+}

bridge/config/l1_config.go

@@ -0,0 +1,24 @@
+package config
+
+import (
+	"github.com/scroll-tech/go-ethereum/common"
+	"github.com/scroll-tech/go-ethereum/rpc"
+)
+
+// L1Config loads l1eth configuration items.
+type L1Config struct {
+	// Confirmations block height confirmations number.
+	Confirmations rpc.BlockNumber `json:"confirmations"`
+	// l1 eth node url.
+	Endpoint string `json:"endpoint"`
+	// The start height to sync event from layer 1
+	StartHeight uint64 `json:"start_height"`
+	// The L1ScrollMessenger contract address deployed on layer 1 chain.
+	L1MessengerAddress common.Address `json:"l1_messenger_address"`
+	// The L1MessageQueue contract address deployed on layer 1 chain.
+	L1MessageQueueAddress common.Address `json:"l1_message_queue_address"`
+	// The ScrollChain contract address deployed on layer 1 chain.
+	ScrollChainContractAddress common.Address `json:"scroll_chain_address"`
+	// The relayer config
+	RelayerConfig *RelayerConfig `json:"relayer_config"`
+}

bridge/config/l2_config.go

@@ -0,0 +1,45 @@
+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 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"`
+	// The public input hash config
+	PublicInputConfig *types.PublicInputHashConfig `json:"public_input_config"`
+}

bridge/config/relayer_config.go

@@ -0,0 +1,138 @@
+package config
+
+import (
+	"crypto/ecdsa"
+	"encoding/json"
+	"fmt"
+	"math/big"
+
+	"github.com/scroll-tech/go-ethereum/common"
+	"github.com/scroll-tech/go-ethereum/crypto"
+	"github.com/scroll-tech/go-ethereum/rpc"
+)
+
+// SenderConfig The config for transaction sender
+type SenderConfig struct {
+	// The RPC endpoint of the ethereum or scroll public node.
+	Endpoint string `json:"endpoint"`
+	// The time to trigger check pending txs in sender.
+	CheckPendingTime uint64 `json:"check_pending_time"`
+	// The number of blocks to wait to escalate increase gas price of the transaction.
+	EscalateBlocks uint64 `json:"escalate_blocks"`
+	// The gap number between a block be confirmed and the latest block.
+	Confirmations rpc.BlockNumber `json:"confirmations"`
+	// The numerator of gas price escalate multiple.
+	EscalateMultipleNum uint64 `json:"escalate_multiple_num"`
+	// The denominator of gas price escalate multiple.
+	EscalateMultipleDen uint64 `json:"escalate_multiple_den"`
+	// The maximum gas price can be used to send transaction.
+	MaxGasPrice uint64 `json:"max_gas_price"`
+	// The transaction type to use: LegacyTx, AccessListTx, DynamicFeeTx
+	TxType string `json:"tx_type"`
+	// The min balance set for check and set balance for sender's accounts.
+	MinBalance *big.Int `json:"min_balance,omitempty"`
+}
+
+// RelayerConfig loads relayer configuration items.
+// What we need to pay attention to is that
+// `MessageSenderPrivateKeys` and `RollupSenderPrivateKeys` cannot have common private keys.
+type RelayerConfig struct {
+	// RollupContractAddress store the rollup contract address.
+	RollupContractAddress common.Address `json:"rollup_contract_address,omitempty"`
+	// MessengerContractAddress store the scroll messenger contract address.
+	MessengerContractAddress common.Address `json:"messenger_contract_address"`
+	// GasPriceOracleContractAddress store the scroll messenger contract address.
+	GasPriceOracleContractAddress common.Address `json:"gas_price_oracle_contract_address"`
+	// sender config
+	SenderConfig *SenderConfig `json:"sender_config"`
+	// gas oracle config
+	GasOracleConfig *GasOracleConfig `json:"gas_oracle_config"`
+	// The private key of the relayer
+	MessageSenderPrivateKeys   []*ecdsa.PrivateKey `json:"-"`
+	GasOracleSenderPrivateKeys []*ecdsa.PrivateKey `json:"-"`
+	RollupSenderPrivateKeys    []*ecdsa.PrivateKey `json:"-"`
+}
+
+// GasOracleConfig The config for updating gas price oracle.
+type GasOracleConfig struct {
+	// MinGasPrice store the minimum gas price to set.
+	MinGasPrice uint64 `json:"min_gas_price"`
+	// GasPriceDiff store the percentage of gas price difference.
+	GasPriceDiff uint64 `json:"gas_price_diff"`
+}
+
+// relayerConfigAlias RelayerConfig alias name
+type relayerConfigAlias RelayerConfig
+
+// UnmarshalJSON unmarshal relayer_config struct.
+func (r *RelayerConfig) UnmarshalJSON(input []byte) error {
+	var jsonConfig struct {
+		relayerConfigAlias
+		// The private key of the relayer
+		MessageSenderPrivateKeys   []string `json:"message_sender_private_keys"`
+		GasOracleSenderPrivateKeys []string `json:"gas_oracle_sender_private_keys"`
+		RollupSenderPrivateKeys    []string `json:"rollup_sender_private_keys,omitempty"`
+	}
+	if err := json.Unmarshal(input, &jsonConfig); err != nil {
+		return err
+	}
+
+	*r = RelayerConfig(jsonConfig.relayerConfigAlias)
+
+	// Get messenger private key list.
+	for _, privStr := range jsonConfig.MessageSenderPrivateKeys {
+		priv, err := crypto.ToECDSA(common.FromHex(privStr))
+		if err != nil {
+			return fmt.Errorf("incorrect private_key_list format, err: %v", err)
+		}
+		r.MessageSenderPrivateKeys = append(r.MessageSenderPrivateKeys, priv)
+	}
+
+	// Get gas oracle private key list.
+	for _, privStr := range jsonConfig.GasOracleSenderPrivateKeys {
+		priv, err := crypto.ToECDSA(common.FromHex(privStr))
+		if err != nil {
+			return fmt.Errorf("incorrect private_key_list format, err: %v", err)
+		}
+		r.GasOracleSenderPrivateKeys = append(r.GasOracleSenderPrivateKeys, priv)
+	}
+
+	// Get rollup private key
+	for _, privStr := range jsonConfig.RollupSenderPrivateKeys {
+		priv, err := crypto.ToECDSA(common.FromHex(privStr))
+		if err != nil {
+			return fmt.Errorf("incorrect roller_private_key format, err: %v", err)
+		}
+		r.RollupSenderPrivateKeys = append(r.RollupSenderPrivateKeys, priv)
+	}
+
+	return nil
+}
+
+// MarshalJSON marshal RelayerConfig config, transfer private keys.
+func (r *RelayerConfig) MarshalJSON() ([]byte, error) {
+	jsonConfig := struct {
+		relayerConfigAlias
+		// The private key of the relayer
+		MessageSenderPrivateKeys   []string `json:"message_sender_private_keys"`
+		GasOracleSenderPrivateKeys []string `json:"gas_oracle_sender_private_keys,omitempty"`
+		RollupSenderPrivateKeys    []string `json:"rollup_sender_private_keys,omitempty"`
+	}{relayerConfigAlias(*r), nil, nil, nil}
+
+	// Transfer message sender private keys to hex type.
+	for _, priv := range r.MessageSenderPrivateKeys {
+		jsonConfig.MessageSenderPrivateKeys = append(jsonConfig.MessageSenderPrivateKeys, common.Bytes2Hex(crypto.FromECDSA(priv)))
+	}
+
+	// Transfer rollup sender private keys to hex type.
+	for _, priv := range r.GasOracleSenderPrivateKeys {
+		jsonConfig.GasOracleSenderPrivateKeys = append(jsonConfig.GasOracleSenderPrivateKeys, common.Bytes2Hex(crypto.FromECDSA(priv)))
+	}
+
+	// Transfer rollup sender private keys to hex type.
+	for _, priv := range r.RollupSenderPrivateKeys {
+		jsonConfig.RollupSenderPrivateKeys = append(jsonConfig.RollupSenderPrivateKeys, common.Bytes2Hex(crypto.FromECDSA(priv)))
+	}
+
+	return json.Marshal(&jsonConfig)
+}

bridge/go.mod

@@ -3,40 +3,39 @@ module scroll-tech/bridge
 go 1.18
 
 require (
-	github.com/ethereum/go-ethereum v1.10.13
-	github.com/gorilla/websocket v1.4.2
-	github.com/jmoiron/sqlx v1.3.5
 	github.com/orcaman/concurrent-map v1.0.0
-	github.com/scroll-tech/go-ethereum v1.10.14-0.20221012120556-b3a7c9b6917d
+	github.com/scroll-tech/go-ethereum v1.10.14-0.20230220082843-ec9254b0b1c6
 	github.com/stretchr/testify v1.8.0
-	github.com/urfave/cli/v2 v2.3.0
-	golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4
+	github.com/urfave/cli/v2 v2.17.2-0.20221006022127-8f469abc00aa
+	golang.org/x/sync v0.1.0
+	modernc.org/mathutil v1.4.1
 )
 
 require (
 	github.com/btcsuite/btcd v0.20.1-beta // indirect
-	github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d // 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 v0.0.0-20180603214616-504e848d77ea // indirect
+	github.com/deckarep/golang-set v1.8.0 // indirect
+	github.com/ethereum/go-ethereum v1.11.1 // indirect
 	github.com/go-ole/go-ole v1.2.6 // indirect
-	github.com/go-stack/stack v1.8.0 // indirect
+	github.com/go-stack/stack v1.8.1 // indirect
 	github.com/google/uuid v1.3.0 // indirect
+	github.com/gorilla/websocket v1.5.0 // indirect
 	github.com/holiman/uint256 v1.2.0 // indirect
-	github.com/iden3/go-iden3-crypto v0.0.12 // indirect
-	github.com/lib/pq v1.10.6 // indirect
-	github.com/mattn/go-isatty v0.0.14 // indirect
-	github.com/mattn/go-sqlite3 v1.14.14 // indirect
+	github.com/iden3/go-iden3-crypto v0.0.13 // indirect
 	github.com/mitchellh/mapstructure v1.5.0 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/remyoudompheng/bigfft v0.0.0-20200410134404-eec4a21b6bb0 // indirect
 	github.com/rjeczalik/notify v0.9.1 // indirect
-	github.com/russross/blackfriday/v2 v2.0.1 // indirect
+	github.com/russross/blackfriday/v2 v2.1.0 // indirect
+	github.com/scroll-tech/zktrie v0.5.0 // indirect
 	github.com/shirou/gopsutil v3.21.11+incompatible // indirect
-	github.com/shurcooL/sanitized_anchor_name v1.0.0 // indirect
 	github.com/tklauser/go-sysconf v0.3.10 // indirect
 	github.com/tklauser/numcpus v0.4.0 // indirect
+	github.com/xrash/smetrics v0.0.0-20201216005158-039620a65673 // indirect
 	github.com/yusufpapurcu/wmi v1.2.2 // indirect
-	golang.org/x/crypto v0.0.0-20220722155217-630584e8d5aa // indirect
-	golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab // indirect
+	golang.org/x/crypto v0.6.0 // indirect
+	golang.org/x/sys v0.5.0 // indirect
 	gopkg.in/natefinch/npipe.v2 v2.0.0-20160621034901-c1b8fa8bdcce // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

bridge/go.sum

@@ -73,8 +73,8 @@ github.com/cespare/cp v0.1.0 h1:SE+dxFebS7Iik5LK0tsi1k9ZCxEaFX4AjQmoyA+1dJk=
 github.com/cespare/cp v0.1.0/go.mod h1:SOGHArjBr4JWaSDEVpWpo/hNg6RoKrls6Oh40hiwW+s=
 github.com/cespare/xxhash v1.1.0 h1:a6HrQnmkObjyL+Gs60czilIUGqrzKutQD6XZog3p+ko=
 github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
-github.com/cespare/xxhash/v2 v2.1.1 h1:6MnRN8NT7+YBpUIWxHtefFZOKTAPgGjpQSxqLNn0+qY=
 github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
+github.com/cespare/xxhash/v2 v2.2.0 h1:DC2CZ1Ep5Y4k3ZQ899DldepgrayRUGE6BBZ/cd9Cj44=
 github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
 github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
 github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
@@ -82,8 +82,9 @@ github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDk
 github.com/cloudflare/cloudflare-go v0.14.0/go.mod h1:EnwdgGMaFOruiPZRFSgn+TsQ3hQ7C/YWzIGLeu5c304=
 github.com/consensys/bavard v0.1.8-0.20210406032232-f3452dc9b572/go.mod h1:Bpd0/3mZuaj6Sj+PqrmIquiOKy397AKGThQPaGzNXAQ=
 github.com/consensys/gnark-crypto v0.4.1-0.20210426202927-39ac3d4b3f1f/go.mod h1:815PAHg3wvysy0SyIqanF8gZ0Y1wjk/hrDHD/iT88+Q=
-github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d h1:U+s90UTSYgptZMwQh2aRr3LuazLJIa+Pg3Kc1ylSYVY=
 github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
+github.com/cpuguy83/go-md2man/v2 v2.0.2 h1:p1EgwI/C7NhT0JmVkwCD2ZBK8j4aeHQX2pMHHBfMQ6w=
+github.com/cpuguy83/go-md2man/v2 v2.0.2/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/cyberdelia/templates v0.0.0-20141128023046-ca7fffd4298c/go.mod h1:GyV+0YP4qX0UQ7r2MoYZ+AvYDp12OF5yg4q8rGnyNh4=
 github.com/dave/jennifer v1.2.0/go.mod h1:fIb+770HOpJ2fmN9EPPKOqm1vMGhB+TwXKMZhrIygKg=
@@ -92,8 +93,9 @@ github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSs
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/dchest/blake512 v1.0.0/go.mod h1:FV1x7xPPLWukZlpDpWQ88rF/SFwZ5qbskrzhLMB92JI=
-github.com/deckarep/golang-set v0.0.0-20180603214616-504e848d77ea h1:j4317fAZh7X6GqbFowYdYdI0L9bwxL07jyPZIdepyZ0=
 github.com/deckarep/golang-set v0.0.0-20180603214616-504e848d77ea/go.mod h1:93vsz/8Wt4joVM7c2AVqh+YRMiUSc14yDtF28KmMOgQ=
+github.com/deckarep/golang-set v1.8.0 h1:sk9/l/KqpunDwP7pSjUg0keiOOLEnOBHzykLrsPppp4=
+github.com/deckarep/golang-set v1.8.0/go.mod h1:5nI87KwE7wgsBU1F4GKAw2Qod7p5kyS383rP6+o6qqo=
 github.com/deepmap/oapi-codegen v1.6.0/go.mod h1:ryDa9AgbELGeB+YEXE1dR53yAjHwFvE9iAUlWl9Al3M=
 github.com/deepmap/oapi-codegen v1.8.2/go.mod h1:YLgSKSDv/bZQB7N4ws6luhozi3cEdRktEqrX88CvjIw=
 github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
@@ -108,8 +110,9 @@ github.com/edsrzf/mmap-go v1.0.0 h1:CEBF7HpRnUCSJgGUb5h1Gm7e3VkmVDrR8lvWVLtrOFw=
 github.com/edsrzf/mmap-go v1.0.0/go.mod h1:YO35OhQPt3KJa3ryjFM5Bs14WD66h8eGKpfaBNrHW5M=
 github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
-github.com/ethereum/go-ethereum v1.10.13 h1:DEYFP9zk+Gruf3ae1JOJVhNmxK28ee+sMELPLgYTXpA=
 github.com/ethereum/go-ethereum v1.10.13/go.mod h1:W3yfrFyL9C1pHcwY5hmRHVDaorTiQxhYBkKyu5mEDHw=
+github.com/ethereum/go-ethereum v1.11.1 h1:EMymmWFzpS7G9l9NvVN8G73cgdUIqDPNRf2YTSGBXlk=
+github.com/ethereum/go-ethereum v1.11.1/go.mod h1:DuefStAgaxoaYGLR0FueVcVbehmn5n9QUcVrMCuOvuc=
 github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
 github.com/fjl/memsize v0.0.0-20190710130421-bcb5799ab5e5 h1:FtmdgXiUlNeRsoNMFlKLDt+S+6hbjVMEW6RGQ7aUf7c=
 github.com/fjl/memsize v0.0.0-20190710130421-bcb5799ab5e5/go.mod h1:VvhXpOYNQvB+uIk2RvXzuaQtkQJzzIx6lSBe1xv7hi0=
@@ -136,10 +139,9 @@ github.com/go-openapi/jsonpointer v0.19.5/go.mod h1:Pl9vOtqEWErmShwVjC8pYs9cog34
 github.com/go-openapi/swag v0.19.5/go.mod h1:POnQmlKehdgb5mhVOsnJFsivZCEZ/vjK9gh66Z9tfKk=
 github.com/go-sourcemap/sourcemap v2.1.3+incompatible/go.mod h1:F8jJfvm2KbVjc5NqelyYJmf/v5J0dwNLS2mL4sNA1Jg=
 github.com/go-sql-driver/mysql v1.4.1/go.mod h1:zAC/RDZ24gD3HViQzih4MyKcchzm+sOG5ZlKdlhCg5w=
-github.com/go-sql-driver/mysql v1.6.0 h1:BCTh4TKNUYmOmMUcQ3IipzF5prigylS7XXjEkfCHuOE=
-github.com/go-sql-driver/mysql v1.6.0/go.mod h1:DCzpHaOWr8IXmIStZouvnhqoel9Qv2LBy8hT2VhHyBg=
-github.com/go-stack/stack v1.8.0 h1:5SgMzNM5HxrEjV0ww2lTmX6E2Izsfxas4+YHWRs3Lsk=
 github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
+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/gofrs/uuid v3.3.0+incompatible/go.mod h1:b2aQJv3Z4Fp6yNu3cdSllBxTCLRxnplIgP/c0N/04lM=
 github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
 github.com/gogo/protobuf v1.3.1/go.mod h1:SlYgWuQ5SjCEi6WLHjHCa1yvBfUnHcTbrrZtXPKa29o=
@@ -188,8 +190,9 @@ github.com/googleapis/gax-go/v2 v2.0.4/go.mod h1:0Wqv26UfaUD9n4G6kQubkQ+KchISgw+
 github.com/googleapis/gax-go/v2 v2.0.5/go.mod h1:DWXyrwAJ9X0FpwwEdw+IPEYBICEFu5mhpdKc/us6bOk=
 github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
 github.com/gorilla/mux v1.8.0/go.mod h1:DVbg23sWSpFRCP0SfiEN6jmj59UnW/n46BH5rLB71So=
-github.com/gorilla/websocket v1.4.2 h1:+/TMaTYc4QFitKJxsQ7Yye35DkWvkdLcvGKqM+x0Ufc=
 github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
+github.com/gorilla/websocket v1.5.0 h1:PPwGk2jz7EePpoHN/+ClbZu8SPxiqlu12wZP/3sWmnc=
+github.com/gorilla/websocket v1.5.0/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
 github.com/graph-gophers/graphql-go v0.0.0-20201113091052-beb923fada29/go.mod h1:9CQHMSxwO4MprSdzoIEobiHpoLtHm77vfxsvsIN5Vuc=
 github.com/hashicorp/go-bexpr v0.1.10 h1:9kuI5PFotCboP3dkDYFr/wi0gg0QVbSNz5oFRpxn4uE=
 github.com/hashicorp/go-bexpr v0.1.10/go.mod h1:oxlubA2vC/gFVfX1A6JGp7ls7uCDlfJn732ehYYg+g0=
@@ -202,12 +205,13 @@ github.com/holiman/bloomfilter/v2 v2.0.3/go.mod h1:zpoh+gs7qcpqrHr3dB55AMiJwo0iU
 github.com/holiman/uint256 v1.2.0 h1:gpSYcPLWGv4sG43I2mVLiDZCNDh/EpGjSk8tmtxitHM=
 github.com/holiman/uint256 v1.2.0/go.mod h1:y4ga/t+u+Xwd7CpDgZESaRcWy0I7XMlTMA25ApIH5Jw=
 github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
-github.com/huin/goupnp v1.0.2 h1:RfGLP+h3mvisuWEyybxNq5Eft3NWhHLPeUN72kpKZoI=
 github.com/huin/goupnp v1.0.2/go.mod h1:0dxJBVBHqTMjIUMkESDTNgOOx/Mw5wYIfyFmdzSamkM=
+github.com/huin/goupnp v1.0.3 h1:N8No57ls+MnjlB+JPiCVSOyy/ot7MJTqlo7rn+NYSqQ=
 github.com/huin/goutil v0.0.0-20170803182201-1ca381bf3150/go.mod h1:PpLOETDnJ0o3iZrZfqZzyLl6l7F3c6L1oWn7OICBi6o=
 github.com/ianlancetaylor/demangle v0.0.0-20181102032728-5e5cf60278f6/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc=
-github.com/iden3/go-iden3-crypto v0.0.12 h1:dXZF+R9iI07DK49LHX/EKC3jTa0O2z+TUyvxjGK7V38=
 github.com/iden3/go-iden3-crypto v0.0.12/go.mod h1:swXIv0HFbJKobbQBtsB50G7IHr6PbTowutSew/iBEoo=
+github.com/iden3/go-iden3-crypto v0.0.13 h1:ixWRiaqDULNyIDdOWz2QQJG5t4PpNHkQk2P6GV94cok=
+github.com/iden3/go-iden3-crypto v0.0.13/go.mod h1:swXIv0HFbJKobbQBtsB50G7IHr6PbTowutSew/iBEoo=
 github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8=
 github.com/influxdata/flux v0.65.1/go.mod h1:J754/zds0vvpfwuq7Gc2wRdVwEodfpCFM7mYlOw2LqY=
 github.com/influxdata/influxdb v1.8.3/go.mod h1:JugdFhsvvI8gadxOI6noqNeeBHvWNTbfYGtiAn+2jhI=
@@ -220,14 +224,12 @@ github.com/influxdata/promql/v2 v2.12.0/go.mod h1:fxOPu+DY0bqCTCECchSRtWfc+0X19y
 github.com/influxdata/roaring v0.4.13-0.20180809181101-fc520f41fab6/go.mod h1:bSgUQ7q5ZLSO+bKBGqJiCBGAl+9DxyW63zLTujjUlOE=
 github.com/influxdata/tdigest v0.0.0-20181121200506-bf2b5ad3c0a9/go.mod h1:Js0mqiSBE6Ffsg94weZZ2c+v/ciT8QRHFOap7EKDrR0=
 github.com/influxdata/usage-client v0.0.0-20160829180054-6d3895376368/go.mod h1:Wbbw6tYNvwa5dlB6304Sd+82Z3f7PmVZHVKU637d4po=
-github.com/jackpal/go-nat-pmp v1.0.2-0.20160603034137-1fa385a6f458 h1:6OvNmYgJyexcZ3pYbTI9jWx5tHo1Dee/tWbLMfPe2TA=
 github.com/jackpal/go-nat-pmp v1.0.2-0.20160603034137-1fa385a6f458/go.mod h1:QPH045xvCAeXUZOxsnwmrtiCoxIr9eob+4orBN1SBKc=
+github.com/jackpal/go-nat-pmp v1.0.2 h1:KzKSgb7qkJvOUTqYl9/Hg/me3pWgBmERKrTGD7BdWus=
 github.com/jedisct1/go-minisign v0.0.0-20190909160543-45766022959e/go.mod h1:G1CVv03EnqU1wYL2dFwXxW2An0az9JTl/ZsqXQeBlkU=
 github.com/jessevdk/go-flags v0.0.0-20141203071132-1679536dcc89/go.mod h1:4FA24M0QyGHXBuZZK/XkWh8h0e1EYbRYJSGM75WSRxI=
 github.com/jmespath/go-jmespath v0.4.0/go.mod h1:T8mJZnbsbmF+m6zOOFylbeCJqk5+pHWvzYPziyZiYoo=
 github.com/jmespath/go-jmespath/internal/testify v1.5.1/go.mod h1:L3OGu8Wl2/fWfCI6z80xFu9LTZmf1ZRjMHUOPmWr69U=
-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/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
 github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024/go.mod h1:6v2b51hI/fHJwM22ozAgKL4VKDeJcHhJFhtBdhmNjmU=
@@ -248,8 +250,8 @@ github.com/klauspost/pgzip v1.0.2-0.20170402124221-0bf5dcad4ada/go.mod h1:Ch1tH6
 github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
 github.com/kr/logfmt v0.0.0-20140226030751-b84e30acd515/go.mod h1:+0opPa2QZZtGFBFZlji/RkVcI2GknAs/DXo4wKdlNEc=
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
-github.com/kr/pretty v0.2.1 h1:Fmg33tUaq4/8ym9TJN1x7sLJnHVwhP33CNkpYV/7rwI=
 github.com/kr/pretty v0.2.1/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfnI=
+github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
 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=
@@ -260,32 +262,25 @@ github.com/labstack/gommon v0.3.0/go.mod h1:MULnywXg0yavhxWKc+lOruYdAhDwPK9wf0OL
 github.com/leanovate/gopter v0.2.9 h1:fQjYxZaynp97ozCzfOyOuAGOU4aU/z37zf/tOujFk7c=
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-github.com/lib/pq v1.2.0/go.mod h1:5WUZQaWbwv1U+lTReE5YruASi9Al49XbQIvNi/34Woo=
-github.com/lib/pq v1.10.6 h1:jbk+ZieJ0D7EVGJYpL9QTz7/YW6UHbmdnZWYyK5cdBs=
-github.com/lib/pq v1.10.6/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o=
 github.com/mailru/easyjson v0.0.0-20190614124828-94de47d64c63/go.mod h1:C1wdFJiN94OJF2b5HbByQZoLdCWB1Yqtg26g4irojpc=
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 github.com/matryer/moq v0.0.0-20190312154309-6cfb0558e1bd/go.mod h1:9ELz6aaclSIGnZBoaSLZ3NAl1VTufbOrXBPvtcy6WiQ=
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 github.com/mattn/go-colorable v0.1.7/go.mod h1:u6P/XSegPjTcexA+o6vUJrdnUu04hMope9wVRipJSqc=
-github.com/mattn/go-colorable v0.1.8 h1:c1ghPdyEDarC70ftn0y+A/Ee++9zz8ljHG1b13eJ0s8=
 github.com/mattn/go-colorable v0.1.8/go.mod h1:u6P/XSegPjTcexA+o6vUJrdnUu04hMope9wVRipJSqc=
+github.com/mattn/go-colorable v0.1.13 h1:fFA4WZxdEF4tXPZVKMLwD8oUnCTTo08duU7wxecdEvA=
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@@ -339,23 +334,28 @@ github.com/prometheus/procfs v0.0.0-20181005140218-185b4288413d/go.mod h1:c3At6R
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@@ -364,8 +364,8 @@ github.com/spaolacci/murmur3 v0.0.0-20180118202830-f09979ecbc72/go.mod h1:JwIasO
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@@ -387,15 +387,18 @@ github.com/tklauser/go-sysconf v0.3.10/go.mod h1:C8XykCvCb+Gn0oNCWPIlcb0RuglQTYa
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@@ -417,8 +420,8 @@ golang.org/x/crypto v0.0.0-20200820211705-5c72a883971a/go.mod h1:LzIPMQfyMNhhGPh
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@@ -486,8 +489,9 @@ golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJ
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@@ -526,14 +530,13 @@ golang.org/x/sys v0.0.0-20210324051608-47abb6519492/go.mod h1:h1NjWce9XRLGQEsW7w
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@@ -544,13 +547,13 @@ golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
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+golang.org/x/text v0.7.0 h1:4BRB4x83lYWy72KwLD/qYDuTu7q9PjSagHvijDw7cLo=
 golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20201208040808-7e3f01d25324/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
-golang.org/x/time v0.0.0-20210220033141-f8bda1e9f3ba h1:O8mE0/t419eoIwhTFpKVkHiTs/Igowgfkj25AcZrtiE=
 golang.org/x/time v0.0.0-20210220033141-f8bda1e9f3ba/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
+golang.org/x/time v0.0.0-20220922220347-f3bd1da661af h1:Yx9k8YCG3dvF87UAn2tu2HQLf2dt/eR1bXxpLMWeH+Y=
 golang.org/x/tools v0.0.0-20180525024113-a5b4c53f6e8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20181030221726-6c7e314b6563/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
@@ -655,5 +658,7 @@ honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWh
 honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
 honnef.co/go/tools v0.1.3/go.mod h1:NgwopIslSNH47DimFoV78dnkksY2EFtX0ajyb3K/las=
+modernc.org/mathutil v1.4.1 h1:ij3fYGe8zBF4Vu+g0oT7mB06r8sqGWKuJu1yXeR4by8=
+modernc.org/mathutil v1.4.1/go.mod h1:mZW8CKdRPY1v87qxC/wUdX5O1qDzXMP5TH3wjfpga6E=
 rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
 rsc.io/pdf v0.1.1/go.mod h1:n8OzWcQ6Sp37PL01nO98y4iUCRdTGarVfzxY20ICaU4=

bridge/l1/backend.go

@@ -4,11 +4,9 @@ import (
 	"context"
 
 	"github.com/scroll-tech/go-ethereum/ethclient"
-	"github.com/scroll-tech/go-ethereum/log"
 
-	"scroll-tech/database/orm"
+	"scroll-tech/database"
 
-	bridge_abi "scroll-tech/bridge/abi"
 	"scroll-tech/bridge/config"
 )
 
@@ -18,28 +16,22 @@ type Backend struct {
 	cfg     *config.L1Config
 	watcher *Watcher
 	relayer *Layer1Relayer
-	orm     orm.Layer1MessageOrm
+	orm     database.OrmFactory
 }
 
 // New returns a new instance of Backend.
-func New(ctx context.Context, cfg *config.L1Config, orm orm.Layer1MessageOrm) (*Backend, error) {
+func New(ctx context.Context, cfg *config.L1Config, orm database.OrmFactory) (*Backend, error) {
 	client, err := ethclient.Dial(cfg.Endpoint)
 	if err != nil {
 		return nil, err
 	}
 
-	l1MessengerABI, err := bridge_abi.L1MessengerMetaData.GetAbi()
-	if err != nil {
-		log.Warn("new L1MessengerABI failed", "err", err)
-		return nil, err
-	}
-
-	relayer, err := NewLayer1Relayer(ctx, client, int64(cfg.Confirmations), orm, cfg.RelayerConfig)
+	relayer, err := NewLayer1Relayer(ctx, orm, cfg.RelayerConfig)
 	if err != nil {
 		return nil, err
 	}
 
-	watcher := NewWatcher(ctx, client, cfg.StartHeight, cfg.Confirmations, cfg.L1MessengerAddress, l1MessengerABI, orm)
+	watcher := NewWatcher(ctx, client, cfg.StartHeight, cfg.Confirmations, cfg.L1MessengerAddress, cfg.L1MessageQueueAddress, cfg.ScrollChainContractAddress, orm)
 
 	return &Backend{
 		cfg:     cfg,

bridge/l1/l1_test.go

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

bridge/l1/relayer.go

@@ -2,6 +2,7 @@ package l1
 
 import (
 	"context"
+	"errors"
 	"math/big"
 	"time"
 
@@ -10,137 +11,253 @@ import (
 	"github.com/scroll-tech/go-ethereum/accounts/abi"
 	"github.com/scroll-tech/go-ethereum/common"
 	"github.com/scroll-tech/go-ethereum/crypto"
-	"github.com/scroll-tech/go-ethereum/ethclient"
 	"github.com/scroll-tech/go-ethereum/log"
 
-	"scroll-tech/database/orm"
+	"scroll-tech/common/types"
+
+	"scroll-tech/database"
 
 	bridge_abi "scroll-tech/bridge/abi"
 	"scroll-tech/bridge/config"
 	"scroll-tech/bridge/sender"
 )
 
+const (
+	gasPriceDiffPrecision = 1000000
+
+	defaultGasPriceDiff = 50000 // 5%
+)
+
 // Layer1Relayer is responsible for
-//  1. fetch pending Layer1Message from db
+//  1. fetch pending L1Message from db
 //  2. relay pending message to layer 2 node
 //
 // Actions are triggered by new head from layer 1 geth node.
 // @todo It's better to be triggered by watcher.
 type Layer1Relayer struct {
-	ctx    context.Context
-	client *ethclient.Client
-	sender *sender.Sender
+	ctx context.Context
 
-	db  orm.Layer1MessageOrm
+	db  database.OrmFactory
 	cfg *config.RelayerConfig
 
 	// channel used to communicate with transaction sender
-	confirmationCh <-chan *sender.Confirmation
+	messageSender  *sender.Sender
+	messageCh      <-chan *sender.Confirmation
 	l2MessengerABI *abi.ABI
 
+	gasOracleSender *sender.Sender
+	gasOracleCh     <-chan *sender.Confirmation
+	l1GasOracleABI  *abi.ABI
+
+	lastGasPrice uint64
+	minGasPrice  uint64
+	gasPriceDiff uint64
+
 	stopCh chan struct{}
 }
 
 // NewLayer1Relayer will return a new instance of Layer1RelayerClient
-func NewLayer1Relayer(ctx context.Context, ethClient *ethclient.Client, l1ConfirmNum int64, db orm.Layer1MessageOrm, cfg *config.RelayerConfig) (*Layer1Relayer, error) {
-	l2MessengerABI, err := bridge_abi.L2MessengerMetaData.GetAbi()
+func NewLayer1Relayer(ctx context.Context, db database.OrmFactory, cfg *config.RelayerConfig) (*Layer1Relayer, error) {
+	messageSender, err := sender.NewSender(ctx, cfg.SenderConfig, cfg.MessageSenderPrivateKeys)
 	if err != nil {
-		log.Warn("new L2MessengerABI failed", "err", err)
+		addr := crypto.PubkeyToAddress(cfg.MessageSenderPrivateKeys[0].PublicKey)
+		log.Error("new MessageSender failed", "main address", addr.String(), "err", err)
 		return nil, err
 	}
 
-	prv, err := crypto.HexToECDSA(cfg.PrivateKey)
+	// @todo make sure only one sender is available
+	gasOracleSender, err := sender.NewSender(ctx, cfg.SenderConfig, cfg.GasOracleSenderPrivateKeys)
 	if err != nil {
-		log.Error("Failed to import private key from config file")
+		addr := crypto.PubkeyToAddress(cfg.GasOracleSenderPrivateKeys[0].PublicKey)
+		log.Error("new GasOracleSender failed", "main address", addr.String(), "err", err)
 		return nil, err
 	}
 
-	sender, err := sender.NewSender(ctx, cfg.SenderConfig, prv)
-	if err != nil {
-		log.Error("new sender failed", "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
 	}
 
 	return &Layer1Relayer{
-		ctx:            ctx,
-		client:         ethClient,
-		sender:         sender,
-		db:             db,
-		l2MessengerABI: l2MessengerABI,
-		cfg:            cfg,
-		stopCh:         make(chan struct{}),
-		confirmationCh: sender.ConfirmChan(),
+		ctx: ctx,
+		db:  db,
+
+		messageSender:  messageSender,
+		messageCh:      messageSender.ConfirmChan(),
+		l2MessengerABI: bridge_abi.L2ScrollMessengerABI,
+
+		gasOracleSender: gasOracleSender,
+		gasOracleCh:     gasOracleSender.ConfirmChan(),
+		l1GasOracleABI:  bridge_abi.L1GasPriceOracleABI,
+
+		minGasPrice:  minGasPrice,
+		gasPriceDiff: gasPriceDiff,
+
+		cfg:    cfg,
+		stopCh: make(chan struct{}),
 	}, nil
 }
 
 // ProcessSavedEvents relays saved un-processed cross-domain transactions to desired blockchain
 func (r *Layer1Relayer) ProcessSavedEvents() {
 	// msgs are sorted by nonce in increasing order
-	msgs, err := r.db.GetL1UnprocessedMessages()
+	msgs, err := r.db.GetL1MessagesByStatus(types.MsgPending, 100)
 	if err != nil {
 		log.Error("Failed to fetch unprocessed L1 messages", "err", err)
 		return
 	}
-	if len(msgs) == 0 {
-		return
+
+	if len(msgs) > 0 {
+		log.Info("Processing L1 messages", "count", len(msgs))
 	}
-	msg := msgs[0]
-	// @todo add support to relay multiple messages
-	sender := common.HexToAddress(msg.Sender)
-	target := common.HexToAddress(msg.Target)
-	value, ok := big.NewInt(0).SetString(msg.Value, 10)
-	if !ok {
-		// @todo maybe panic?
-		log.Error("Failed to parse message value", "msg.nonce", msg.Nonce, "msg.height", msg.Height)
-		// TODO: need to skip this message by changing its status to MsgError
+
+	for _, msg := range msgs {
+		if err = r.processSavedEvent(msg); err != nil {
+			if !errors.Is(err, sender.ErrNoAvailableAccount) {
+				log.Error("failed to process event", "msg.msgHash", msg.MsgHash, "err", err)
+			}
+			return
+		}
 	}
-	fee, _ := big.NewInt(0).SetString(msg.Fee, 10)
-	deadline := big.NewInt(int64(msg.Deadline))
-	msgNonce := big.NewInt(int64(msg.Nonce))
+}
+
+func (r *Layer1Relayer) processSavedEvent(msg *types.L1Message) error {
 	calldata := common.Hex2Bytes(msg.Calldata)
-	data, err := r.l2MessengerABI.Pack("relayMessage", sender, target, value, fee, deadline, msgNonce, calldata)
+
+	hash, err := r.messageSender.SendTransaction(msg.MsgHash, &r.cfg.MessengerContractAddress, big.NewInt(0), calldata)
+	if err != nil && err.Error() == "execution reverted: Message expired" {
+		return r.db.UpdateLayer1Status(r.ctx, msg.MsgHash, types.MsgExpired)
+	}
+	if err != nil && err.Error() == "execution reverted: Message successfully executed" {
+		return r.db.UpdateLayer1Status(r.ctx, msg.MsgHash, types.MsgConfirmed)
+	}
 	if err != nil {
-		log.Error("Failed to pack relayMessage", "msg.nonce", msg.Nonce, "msg.height", msg.Height, "err", err)
-		// TODO: need to skip this message by changing its status to MsgError
+		return err
+	}
+	log.Info("relayMessage to layer2", "msg hash", msg.MsgHash, "tx hash", hash)
+
+	err = r.db.UpdateLayer1StatusAndLayer2Hash(r.ctx, msg.MsgHash, types.MsgSubmitted, hash.String())
+	if err != nil {
+		log.Error("UpdateLayer1StatusAndLayer2Hash failed", "msg.msgHash", msg.MsgHash, "msg.height", msg.Height, "err", err)
+	}
+	return err
+}
+
+// ProcessGasPriceOracle imports gas price to layer2
+func (r *Layer1Relayer) ProcessGasPriceOracle() {
+	latestBlockHeight, err := r.db.GetLatestL1BlockHeight()
+	if err != nil {
+		log.Warn("Failed to fetch latest L1 block height from db", "err", err)
 		return
 	}
 
-	hash, err := r.sender.SendTransaction(msg.Layer1Hash, &r.cfg.MessengerContractAddress, big.NewInt(0), data)
+	blocks, err := r.db.GetL1BlockInfos(map[string]interface{}{
+		"number": latestBlockHeight,
+	})
 	if err != nil {
-		log.Error("Failed to send relayMessage tx to L2", "msg.nonce", msg.Nonce, "msg.height", msg.Height, "err", err)
+		log.Error("Failed to GetL1BlockInfos from db", "height", latestBlockHeight, "err", err)
 		return
 	}
-	log.Info("relayMessage to layer2", "layer1 hash", msg.Layer1Hash, "tx hash", hash)
+	if len(blocks) != 1 {
+		log.Error("Block not exist", "height", latestBlockHeight)
+		return
+	}
+	block := blocks[0]
 
-	err = r.db.UpdateLayer1StatusAndLayer2Hash(r.ctx, msg.Layer1Hash, hash.String(), orm.MsgSubmitted)
-	if err != nil {
-		log.Error("UpdateLayer1StatusAndLayer2Hash failed", "msg.layer1hash", msg.Layer1Hash, "msg.height", msg.Height, "err", err)
+	if block.GasOracleStatus == types.GasOraclePending {
+		expectedDelta := r.lastGasPrice * r.gasPriceDiff / gasPriceDiffPrecision
+		// last is undefine or (block.BaseFee >= minGasPrice && exceed diff)
+		if r.lastGasPrice == 0 || (block.BaseFee >= r.minGasPrice && (block.BaseFee >= r.lastGasPrice+expectedDelta || block.BaseFee <= r.lastGasPrice-expectedDelta)) {
+			baseFee := big.NewInt(int64(block.BaseFee))
+			data, err := r.l1GasOracleABI.Pack("setL1BaseFee", baseFee)
+			if err != nil {
+				log.Error("Failed to pack setL1BaseFee", "block.Hash", block.Hash, "block.Height", block.Number, "block.BaseFee", block.BaseFee, "err", err)
+				return
+			}
+
+			hash, err := r.gasOracleSender.SendTransaction(block.Hash, &r.cfg.GasPriceOracleContractAddress, big.NewInt(0), data)
+			if err != nil {
+				if !errors.Is(err, sender.ErrNoAvailableAccount) {
+					log.Error("Failed to send setL1BaseFee tx to layer2 ", "block.Hash", block.Hash, "block.Height", block.Number, "err", err)
+				}
+				return
+			}
+
+			err = r.db.UpdateL1GasOracleStatusAndOracleTxHash(r.ctx, block.Hash, types.GasOracleImporting, hash.String())
+			if err != nil {
+				log.Error("UpdateGasOracleStatusAndOracleTxHash failed", "block.Hash", block.Hash, "block.Height", block.Number, "err", err)
+				return
+			}
+			r.lastGasPrice = block.BaseFee
+			log.Info("Update l1 base fee", "txHash", hash.String(), "baseFee", baseFee)
+		}
 	}
 }
 
 // Start the relayer process
 func (r *Layer1Relayer) Start() {
-	go func() {
-		// trigger by timer
-		ticker := time.NewTicker(3 * time.Second)
+	loop := func(ctx context.Context, f func()) {
+		ticker := time.NewTicker(2 * time.Second)
 		defer ticker.Stop()
 
 		for {
 			select {
-			case <-ticker.C:
-				// number, err := r.client.BlockNumber(r.ctx)
-				// log.Info("receive header", "height", number)
-				r.ProcessSavedEvents()
-			case cfm := <-r.confirmationCh: // @todo handle db error
-				err := r.db.UpdateLayer1StatusAndLayer2Hash(r.ctx, cfm.ID, cfm.TxHash.String(), orm.MsgConfirmed)
-				if err != nil {
-					log.Warn("UpdateLayer1StatusAndLayer2Hash failed", "err", err)
-				}
-				log.Info("transaction confirmed in layer2", "confirmation", cfm)
-			case <-r.stopCh:
+			case <-ctx.Done():
 				return
+			case <-ticker.C:
+				f()
 			}
 		}
+	}
+	go func() {
+		ctx, cancel := context.WithCancel(r.ctx)
+
+		go loop(ctx, r.ProcessSavedEvents)
+		go loop(ctx, r.ProcessGasPriceOracle)
+
+		go func(ctx context.Context) {
+			for {
+				select {
+				case <-ctx.Done():
+					return
+				case cfm := <-r.messageCh:
+					if !cfm.IsSuccessful {
+						log.Warn("transaction confirmed but failed in layer2", "confirmation", cfm)
+					} else {
+						// @todo handle db error
+						err := r.db.UpdateLayer1StatusAndLayer2Hash(r.ctx, cfm.ID, types.MsgConfirmed, cfm.TxHash.String())
+						if err != nil {
+							log.Warn("UpdateLayer1StatusAndLayer2Hash failed", "err", err)
+						}
+						log.Info("transaction confirmed in layer2", "confirmation", cfm)
+					}
+				case cfm := <-r.gasOracleCh:
+					if !cfm.IsSuccessful {
+						// @discuss: maybe make it pending again?
+						err := r.db.UpdateL1GasOracleStatusAndOracleTxHash(r.ctx, cfm.ID, types.GasOracleFailed, cfm.TxHash.String())
+						if err != nil {
+							log.Warn("UpdateL1GasOracleStatusAndOracleTxHash failed", "err", err)
+						}
+						log.Warn("transaction confirmed but failed in layer2", "confirmation", cfm)
+					} else {
+						// @todo handle db error
+						err := r.db.UpdateL1GasOracleStatusAndOracleTxHash(r.ctx, cfm.ID, types.GasOracleImported, cfm.TxHash.String())
+						if err != nil {
+							log.Warn("UpdateGasOracleStatusAndOracleTxHash failed", "err", err)
+						}
+						log.Info("transaction confirmed in layer2", "confirmation", cfm)
+					}
+				}
+			}
+		}(ctx)
+
+		<-r.stopCh
+		cancel()
 	}()
 }
 

bridge/l1/relayer_test.go

@@ -1,58 +1,27 @@
-package l1_test
+package l1
 
 import (
 	"context"
 	"testing"
 
-	"github.com/scroll-tech/go-ethereum/ethclient"
 	"github.com/stretchr/testify/assert"
 
+	"scroll-tech/database/migrate"
+
 	"scroll-tech/database"
-
-	"scroll-tech/bridge/mock"
-
-	"scroll-tech/bridge/config"
-	"scroll-tech/bridge/l1"
-
-	"scroll-tech/common/utils"
 )
 
-var TEST_CONFIG = &mock.TestConfig{
-	L1GethTestConfig: mock.L1GethTestConfig{
-		HPort: 0,
-		WPort: 8570,
-	},
-	DbTestconfig: mock.DbTestconfig{
-		DbName: "testl1relayer_db",
-		DbPort: 5440,
-		DB_CONFIG: &database.DBConfig{
-			DriverName: utils.GetEnvWithDefault("TEST_DB_DRIVER", "postgres"),
-			DSN:        utils.GetEnvWithDefault("TEST_DB_DSN", "postgres://postgres:123456@localhost:5440/testl1relayer_db?sslmode=disable"),
-		},
-	},
-}
-
-// TestCreateNewRelayer test create new relayer instance and stop
-func TestCreateNewL1Relayer(t *testing.T) {
-	cfg, err := config.NewConfig("../config.json")
+// testCreateNewRelayer test create new relayer instance and stop
+func testCreateNewL1Relayer(t *testing.T) {
+	// Create db handler and reset db.
+	db, err := database.NewOrmFactory(cfg.DBConfig)
 	assert.NoError(t, err)
-	l1docker := mock.NewTestL1Docker(t, TEST_CONFIG)
-	defer l1docker.Stop()
+	assert.NoError(t, migrate.ResetDB(db.GetDB().DB))
+	defer db.Close()
 
-	client, err := ethclient.Dial(l1docker.Endpoint())
+	relayer, err := NewLayer1Relayer(context.Background(), db, cfg.L2Config.RelayerConfig)
 	assert.NoError(t, err)
-
-	dbImg := mock.GetDbDocker(t, TEST_CONFIG)
-	dbImg.Start()
-	defer dbImg.Stop()
-	db, err := database.NewOrmFactory(TEST_CONFIG.DB_CONFIG)
-	assert.NoError(t, err)
-
-	relayer, err := l1.NewLayer1Relayer(context.Background(), client, 1, db, cfg.L2Config.RelayerConfig)
-	assert.NoError(t, err)
-
-	relayer.Start()
-
 	defer relayer.Stop()
 
+	relayer.Start()
 }

bridge/l1/watcher.go

@@ -5,42 +5,69 @@ import (
 	"math/big"
 	"time"
 
-	"github.com/scroll-tech/go-ethereum"
+	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/core/types"
+	geth_types "github.com/scroll-tech/go-ethereum/core/types"
+	"github.com/scroll-tech/go-ethereum/crypto"
 	"github.com/scroll-tech/go-ethereum/ethclient"
 	"github.com/scroll-tech/go-ethereum/log"
+	"github.com/scroll-tech/go-ethereum/metrics"
+	"github.com/scroll-tech/go-ethereum/rpc"
 
-	"scroll-tech/database/orm"
+	"scroll-tech/common/types"
+
+	"scroll-tech/database"
+
+	bridge_abi "scroll-tech/bridge/abi"
+	"scroll-tech/bridge/utils"
 )
 
-const (
-
-	// keccak256("SentMessage(address,address,uint256,uint256,uint256,bytes,uint256,uint256)")
-	sentMessageEventSignature = "806b28931bc6fbe6c146babfb83d5c2b47e971edb43b4566f010577a0ee7d9f4"
+var (
+	bridgeL1MsgSyncHeightGauge = metrics.NewRegisteredGauge("bridge/l1/msg/sync/height", nil)
 )
 
+type relayedMessage struct {
+	msgHash      common.Hash
+	txHash       common.Hash
+	isSuccessful bool
+}
+
+type rollupEvent struct {
+	batchHash common.Hash
+	txHash    common.Hash
+	status    types.RollupStatus
+}
+
 // Watcher will listen for smart contract events from Eth L1.
 type Watcher struct {
 	ctx    context.Context
 	client *ethclient.Client
-	db     orm.Layer1MessageOrm
+	db     database.OrmFactory
 
 	// The number of new blocks to wait for a block to be confirmed
-	confirmations    uint64
+	confirmations rpc.BlockNumber
+
 	messengerAddress common.Address
 	messengerABI     *abi.ABI
 
+	messageQueueAddress common.Address
+	messageQueueABI     *abi.ABI
+
+	scrollChainAddress common.Address
+	scrollChainABI     *abi.ABI
+
 	// The height of the block that the watcher has retrieved event logs
 	processedMsgHeight uint64
+	// The height of the block that the watcher has retrieved header rlp
+	processedBlockHeight uint64
 
-	stop chan bool
+	stopCh chan bool
 }
 
 // NewWatcher returns a new instance of Watcher. The instance will be not fully prepared,
 // and still needs to be finalized and ran by calling `watcher.Start`.
-func NewWatcher(ctx context.Context, client *ethclient.Client, startHeight uint64, confirmations uint64, messengerAddress common.Address, messengerABI *abi.ABI, db orm.Layer1MessageOrm) *Watcher {
+func NewWatcher(ctx context.Context, client *ethclient.Client, startHeight uint64, confirmations rpc.BlockNumber, messengerAddress, messageQueueAddress, scrollChainAddress common.Address, db database.OrmFactory) *Watcher {
 	savedHeight, err := db.GetLayer1LatestWatchedHeight()
 	if err != nil {
 		log.Warn("Failed to fetch height from db", "err", err)
@@ -50,131 +77,344 @@ func NewWatcher(ctx context.Context, client *ethclient.Client, startHeight uint6
 		savedHeight = int64(startHeight)
 	}
 
-	stop := make(chan bool)
+	savedL1BlockHeight, err := db.GetLatestL1BlockHeight()
+	if err != nil {
+		log.Warn("Failed to fetch latest L1 block height from db", "err", err)
+		savedL1BlockHeight = 0
+	}
+	if savedL1BlockHeight < startHeight {
+		savedL1BlockHeight = startHeight
+	}
+
+	stopCh := make(chan bool)
 
 	return &Watcher{
-		ctx:                ctx,
-		client:             client,
-		db:                 db,
-		confirmations:      confirmations,
-		messengerAddress:   messengerAddress,
-		messengerABI:       messengerABI,
-		processedMsgHeight: uint64(savedHeight),
-		stop:               stop,
+		ctx:           ctx,
+		client:        client,
+		db:            db,
+		confirmations: confirmations,
+
+		messengerAddress: messengerAddress,
+		messengerABI:     bridge_abi.L1ScrollMessengerABI,
+
+		messageQueueAddress: messageQueueAddress,
+		messageQueueABI:     bridge_abi.L1MessageQueueABI,
+
+		scrollChainAddress: scrollChainAddress,
+		scrollChainABI:     bridge_abi.ScrollChainABI,
+
+		processedMsgHeight:   uint64(savedHeight),
+		processedBlockHeight: savedL1BlockHeight,
+		stopCh:               stopCh,
 	}
 }
 
 // Start the Watcher module.
-func (r *Watcher) Start() {
+func (w *Watcher) Start() {
 	go func() {
-		// trigger by timer
-		ticker := time.NewTicker(10 * time.Second)
-		defer ticker.Stop()
+		ctx, cancel := context.WithCancel(w.ctx)
 
-		for {
-			select {
-			case <-ticker.C:
-				blockNumber, err := r.client.BlockNumber(r.ctx)
-				if err != nil {
-					log.Error("Failed to get block number", "err", err)
+		go func(ctx context.Context) {
+			ticker := time.NewTicker(2 * time.Second)
+			defer ticker.Stop()
+
+			for {
+				select {
+				case <-ctx.Done():
+					return
+
+				case <-ticker.C:
+					number, err := utils.GetLatestConfirmedBlockNumber(w.ctx, w.client, w.confirmations)
+					if err != nil {
+						log.Error("failed to get block number", "err", err)
+						continue
+					}
+
+					if err := w.FetchBlockHeader(number); err != nil {
+						log.Error("Failed to fetch L1 block header", "lastest", number, "err", err)
+					}
 				}
-				if err := r.fetchContractEvent(blockNumber); err != nil {
-					log.Error("Failed to fetch bridge contract", "err", err)
-				}
-			case <-r.stop:
-				return
 			}
-		}
+		}(ctx)
+
+		go func(ctx context.Context) {
+			ticker := time.NewTicker(2 * time.Second)
+			defer ticker.Stop()
+
+			for {
+				select {
+				case <-ctx.Done():
+					return
+
+				case <-ticker.C:
+					number, err := utils.GetLatestConfirmedBlockNumber(w.ctx, w.client, w.confirmations)
+					if err != nil {
+						log.Error("failed to get block number", "err", err)
+						continue
+					}
+
+					if err := w.FetchContractEvent(number); err != nil {
+						log.Error("Failed to fetch bridge contract", "err", err)
+					}
+				}
+			}
+		}(ctx)
+
+		<-w.stopCh
+		cancel()
 	}()
 }
 
 // Stop the Watcher module, for a graceful shutdown.
-func (r *Watcher) Stop() {
-	r.stop <- true
+func (w *Watcher) Stop() {
+	w.stopCh <- true
 }
 
-// FetchContractEvent pull latest event logs from given contract address and save in DB
-func (r *Watcher) fetchContractEvent(blockHeight uint64) error {
-	fromBlock := int64(r.processedMsgHeight) + 1
-	toBlock := int64(blockHeight) - int64(r.confirmations)
+const contractEventsBlocksFetchLimit = int64(10)
 
+// FetchBlockHeader pull latest L1 blocks and save in DB
+func (w *Watcher) FetchBlockHeader(blockHeight uint64) error {
+	fromBlock := int64(w.processedBlockHeight) + 1
+	toBlock := int64(blockHeight)
 	if toBlock < fromBlock {
 		return nil
 	}
-
-	// warning: uint int conversion...
-	query := ethereum.FilterQuery{
-		FromBlock: big.NewInt(fromBlock), // inclusive
-		ToBlock:   big.NewInt(toBlock),   // inclusive
-		Addresses: []common.Address{
-			r.messengerAddress,
-		},
-		Topics: make([][]common.Hash, 1),
-	}
-	query.Topics[0] = make([]common.Hash, 1)
-	query.Topics[0][0] = common.HexToHash(sentMessageEventSignature)
-
-	logs, err := r.client.FilterLogs(r.ctx, query)
-	if err != nil {
-		log.Warn("Failed to get event logs", "err", err)
-		return err
-	}
-	if len(logs) == 0 {
-		return nil
-	}
-	log.Info("Received new L1 messages", "fromBlock", fromBlock, "toBlock", toBlock,
-		"cnt", len(logs))
-
-	eventLogs, err := parseBridgeEventLogs(logs, r.messengerABI)
-	if err != nil {
-		log.Error("Failed to parse emitted events log", "err", err)
-		return err
+	if toBlock > fromBlock+contractEventsBlocksFetchLimit {
+		toBlock = fromBlock + contractEventsBlocksFetchLimit - 1
 	}
 
-	err = r.db.SaveLayer1Messages(r.ctx, eventLogs)
-	if err == nil {
-		r.processedMsgHeight = uint64(toBlock)
-	}
-	return err
-}
-
-func parseBridgeEventLogs(logs []types.Log, messengerABI *abi.ABI) ([]*orm.Layer1Message, error) {
-	// Need use contract abi to parse event Log
-	// Can only be tested after we have our contracts set up
-
-	var parsedlogs []*orm.Layer1Message
-	for _, vLog := range logs {
-		event := struct {
-			Target       common.Address
-			Sender       common.Address
-			Value        *big.Int // uint256
-			Fee          *big.Int // uint256
-			Deadline     *big.Int // uint256
-			Message      []byte
-			MessageNonce *big.Int // uint256
-			GasLimit     *big.Int // uint256
-		}{}
-
-		err := messengerABI.UnpackIntoInterface(&event, "SentMessage", vLog.Data)
+	var blocks []*types.L1BlockInfo
+	var err error
+	height := fromBlock
+	for ; height <= toBlock; height++ {
+		var block *geth_types.Header
+		block, err = w.client.HeaderByNumber(w.ctx, big.NewInt(height))
 		if err != nil {
-			log.Warn("Failed to unpack layer1 SentMessage event", "err", err)
-			return parsedlogs, err
+			log.Warn("Failed to get block", "height", height, "err", err)
+			break
 		}
-		// target is in topics[1]
-		event.Target = common.HexToAddress(vLog.Topics[1].String())
-		parsedlogs = append(parsedlogs, &orm.Layer1Message{
-			Nonce:      event.MessageNonce.Uint64(),
-			Height:     vLog.BlockNumber,
-			Sender:     event.Sender.String(),
-			Value:      event.Value.String(),
-			Fee:        event.Fee.String(),
-			GasLimit:   event.GasLimit.Uint64(),
-			Deadline:   event.Deadline.Uint64(),
-			Target:     event.Target.String(),
-			Calldata:   common.Bytes2Hex(event.Message),
-			Layer1Hash: vLog.TxHash.Hex(),
+		blocks = append(blocks, &types.L1BlockInfo{
+			Number:  uint64(height),
+			Hash:    block.Hash().String(),
+			BaseFee: block.BaseFee.Uint64(),
 		})
 	}
 
-	return parsedlogs, nil
+	// failed at first block, return with the error
+	if height == fromBlock {
+		return err
+	}
+	toBlock = height - 1
+
+	// insert succeed blocks
+	err = w.db.InsertL1Blocks(w.ctx, blocks)
+	if err != nil {
+		log.Warn("Failed to insert L1 block to db", "fromBlock", fromBlock, "toBlock", toBlock, "err", err)
+		return err
+	}
+
+	// update processed height
+	w.processedBlockHeight = uint64(toBlock)
+	return nil
+}
+
+// FetchContractEvent pull latest event logs from given contract address and save in DB
+func (w *Watcher) FetchContractEvent(blockHeight uint64) error {
+	defer func() {
+		log.Info("l1 watcher fetchContractEvent", "w.processedMsgHeight", w.processedMsgHeight)
+	}()
+
+	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.scrollChainAddress,
+				w.messageQueueAddress,
+			},
+			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
+
+		logs, err := w.client.FilterLogs(w.ctx, query)
+		if err != nil {
+			log.Warn("Failed to get event logs", "err", err)
+			return err
+		}
+		if len(logs) == 0 {
+			w.processedMsgHeight = uint64(to)
+			bridgeL1MsgSyncHeightGauge.Update(to)
+			continue
+		}
+		log.Info("Received new L1 events", "fromBlock", from, "toBlock", to, "cnt", len(logs))
+
+		sentMessageEvents, relayedMessageEvents, rollupEvents, err := w.parseBridgeEventLogs(logs)
+		if err != nil {
+			log.Error("Failed to parse emitted events log", "err", err)
+			return err
+		}
+		log.Info("L1 events types", "SentMessageCount", len(sentMessageEvents), "RelayedMessageCount", len(relayedMessageEvents), "RollupEventCount", len(rollupEvents))
+
+		// 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)
+		if err != nil {
+			log.Error("Failed to GetRollupStatusByHashList", "err", err)
+			return err
+		}
+		if len(statuses) != len(batchHashes) {
+			log.Error("RollupStatus.Length mismatch with batchHashes.Length", "RollupStatus.Length", len(statuses), "batchHashes.Length", len(batchHashes))
+			return nil
+		}
+
+		for index, event := range rollupEvents {
+			batchHash := event.batchHash.String()
+			status := statuses[index]
+			// 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)
+				} else if event.status == types.RollupCommitted {
+					err = w.db.UpdateCommitTxHashAndRollupStatus(w.ctx, batchHash, event.txHash.String(), event.status)
+				}
+				if err != nil {
+					log.Error("Failed to update Rollup/Finalize TxHash and Status", "err", err)
+					return err
+				}
+			}
+		}
+
+		// 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 {
+			return err
+		}
+
+		w.processedMsgHeight = uint64(to)
+		bridgeL1MsgSyncHeightGauge.Update(to)
+	}
+
+	return nil
+}
+
+func (w *Watcher) parseBridgeEventLogs(logs []geth_types.Log) ([]*types.L1Message, []relayedMessage, []rollupEvent, error) {
+	// Need use contract abi to parse event Log
+	// Can only be tested after we have our contracts set up
+
+	var l1Messages []*types.L1Message
+	var relayedMessages []relayedMessage
+	var rollupEvents []rollupEvent
+	for _, vLog := range logs {
+		switch vLog.Topics[0] {
+		case bridge_abi.L1QueueTransactionEventSignature:
+			event := bridge_abi.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
+			}
+
+			msgHash := common.BytesToHash(crypto.Keccak256(event.Data))
+
+			l1Messages = append(l1Messages, &types.L1Message{
+				QueueIndex: event.QueueIndex.Uint64(),
+				MsgHash:    msgHash.String(),
+				Height:     vLog.BlockNumber,
+				Sender:     event.Sender.String(),
+				Value:      event.Value.String(),
+				Target:     event.Target.String(),
+				Calldata:   common.Bytes2Hex(event.Data),
+				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{}
+			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
+			}
+
+			rollupEvents = append(rollupEvents, rollupEvent{
+				batchHash: event.BatchHash,
+				txHash:    vLog.TxHash,
+				status:    types.RollupCommitted,
+			})
+		case bridge_abi.L1FinalizeBatchEventSignature:
+			event := bridge_abi.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
+			}
+
+			rollupEvents = append(rollupEvents, rollupEvent{
+				batchHash: event.BatchHash,
+				txHash:    vLog.TxHash,
+				status:    types.RollupFinalized,
+			})
+		default:
+			log.Error("Unknown event", "topic", vLog.Topics[0], "txHash", vLog.TxHash)
+		}
+	}
+
+	return l1Messages, relayedMessages, rollupEvents, nil
 }

bridge/l1/watcher_test.go

@@ -0,0 +1,29 @@
+package l1
+
+import (
+	"context"
+	"testing"
+
+	"github.com/scroll-tech/go-ethereum/ethclient"
+	"github.com/stretchr/testify/assert"
+
+	"scroll-tech/database"
+	"scroll-tech/database/migrate"
+)
+
+func testStartWatcher(t *testing.T) {
+	// Create db handler and reset db.
+	db, err := database.NewOrmFactory(cfg.DBConfig)
+	assert.NoError(t, err)
+	assert.NoError(t, migrate.ResetDB(db.GetDB().DB))
+	defer db.Close()
+
+	client, err := ethclient.Dial(l1gethImg.Endpoint())
+	assert.NoError(t, err)
+
+	l1Cfg := cfg.L1Config
+
+	watcher := NewWatcher(context.Background(), client, l1Cfg.StartHeight, l1Cfg.Confirmations, l1Cfg.L1MessengerAddress, l1Cfg.L1MessageQueueAddress, l1Cfg.RelayerConfig.RollupContractAddress, db)
+	watcher.Start()
+	defer watcher.Stop()
+}

bridge/l2/backend.go

@@ -3,24 +3,22 @@ package l2
 import (
 	"context"
 
-	"github.com/scroll-tech/go-ethereum/core/types"
 	"github.com/scroll-tech/go-ethereum/ethclient"
-	"github.com/scroll-tech/go-ethereum/log"
 	"github.com/scroll-tech/go-ethereum/rpc"
 
 	"scroll-tech/database"
 
-	bridge_abi "scroll-tech/bridge/abi"
 	"scroll-tech/bridge/config"
 )
 
 // Backend manage the resources and services of L2 backend.
 // The backend should monitor events in layer 2 and relay transactions to layer 1
 type Backend struct {
-	cfg       *config.L2Config
-	l2Watcher *WatcherClient
-	relayer   *Layer2Relayer
-	orm       database.OrmFactory
+	cfg           *config.L2Config
+	watcher       *WatcherClient
+	relayer       *Layer2Relayer
+	batchProposer *BatchProposer
+	orm           database.OrmFactory
 }
 
 // New returns a new instance of Backend.
@@ -30,49 +28,39 @@ func New(ctx context.Context, cfg *config.L2Config, orm database.OrmFactory) (*B
 		return nil, err
 	}
 
-	l2MessengerABI, err := bridge_abi.L2MessengerMetaData.GetAbi()
-	if err != nil {
-		log.Warn("new L2MessengerABI failed", "err", err)
-		return nil, err
-	}
+	// Note: initialize watcher before relayer to keep DB consistent.
+	// Otherwise, there will be a race condition between watcher.initializeGenesis and relayer.ProcessPendingBatches.
+	watcher := NewL2WatcherClient(ctx, client, cfg.Confirmations, cfg.L2MessengerAddress, cfg.L2MessageQueueAddress, orm)
 
-	skippedOpcodes := make(map[string]struct{}, len(cfg.SkippedOpcodes))
-	for _, op := range cfg.SkippedOpcodes {
-		skippedOpcodes[op] = struct{}{}
-	}
-
-	proofGenerationFreq := cfg.ProofGenerationFreq
-	if proofGenerationFreq == 0 {
-		log.Warn("receive 0 proof_generation_freq, change to 1")
-		proofGenerationFreq = 1
-	}
-
-	relayer, err := NewLayer2Relayer(ctx, client, proofGenerationFreq, skippedOpcodes, int64(cfg.Confirmations), orm, cfg.RelayerConfig)
+	relayer, err := NewLayer2Relayer(ctx, client, orm, cfg.RelayerConfig)
 	if err != nil {
 		return nil, err
 	}
 
-	l2Watcher := NewL2WatcherClient(ctx, client, cfg.Confirmations, proofGenerationFreq, skippedOpcodes, cfg.L2MessengerAddress, l2MessengerABI, orm)
+	batchProposer := NewBatchProposer(ctx, cfg.BatchProposerConfig, relayer, orm)
 
 	return &Backend{
-		cfg:       cfg,
-		l2Watcher: l2Watcher,
-		relayer:   relayer,
-		orm:       orm,
+		cfg:           cfg,
+		watcher:       watcher,
+		relayer:       relayer,
+		batchProposer: batchProposer,
+		orm:           orm,
 	}, nil
 }
 
 // Start Backend module.
 func (l2 *Backend) Start() error {
-	l2.l2Watcher.Start()
+	l2.watcher.Start()
 	l2.relayer.Start()
+	l2.batchProposer.Start()
 	return nil
 }
 
 // Stop Backend module.
 func (l2 *Backend) Stop() {
-	l2.l2Watcher.Stop()
+	l2.batchProposer.Stop()
 	l2.relayer.Stop()
+	l2.watcher.Stop()
 }
 
 // APIs collect API modules.
@@ -81,13 +69,8 @@ func (l2 *Backend) APIs() []rpc.API {
 		{
 			Namespace: "l2",
 			Version:   "1.0",
-			Service:   WatcherAPI(l2.l2Watcher),
+			Service:   WatcherAPI(l2.watcher),
 			Public:    true,
 		},
 	}
 }
-
-// MockBlockResult for test case
-func (l2 *Backend) MockBlockResult(blockResult *types.BlockResult) {
-	l2.l2Watcher.Send(blockResult)
-}

bridge/l2/batch_proposer.go

@@ -0,0 +1,363 @@
+package l2
+
+import (
+	"context"
+	"fmt"
+	"math"
+	"reflect"
+	"sync"
+	"time"
+
+	geth_types "github.com/scroll-tech/go-ethereum/core/types"
+	"github.com/scroll-tech/go-ethereum/log"
+
+	"scroll-tech/common/types"
+
+	"scroll-tech/database"
+
+	bridgeabi "scroll-tech/bridge/abi"
+	"scroll-tech/bridge/config"
+)
+
+// AddBatchInfoToDB inserts the batch information to the BlockBatch table and updates the batch_hash
+// in all blocks included in the batch.
+func AddBatchInfoToDB(db database.OrmFactory, batchData *types.BatchData) error {
+	dbTx, err := db.Beginx()
+	if err != nil {
+		return err
+	}
+
+	var dbTxErr error
+	defer func() {
+		if dbTxErr != nil {
+			if err := dbTx.Rollback(); err != nil {
+				log.Error("dbTx.Rollback()", "err", err)
+			}
+		}
+	}()
+
+	if dbTxErr = db.NewBatchInDBTx(dbTx, batchData); dbTxErr != nil {
+		return dbTxErr
+	}
+
+	var blockIDs = make([]uint64, len(batchData.Batch.Blocks))
+	for i, block := range batchData.Batch.Blocks {
+		blockIDs[i] = block.BlockNumber
+	}
+
+	if dbTxErr = db.SetBatchHashForL2BlocksInDBTx(dbTx, blockIDs, batchData.Hash().Hex()); dbTxErr != nil {
+		return dbTxErr
+	}
+
+	dbTxErr = dbTx.Commit()
+	return dbTxErr
+}
+
+// BatchProposer sends batches commit transactions to relayer.
+type BatchProposer struct {
+	mutex sync.Mutex
+
+	ctx context.Context
+	orm database.OrmFactory
+
+	batchTimeSec             uint64
+	batchGasThreshold        uint64
+	batchTxNumThreshold      uint64
+	batchBlocksLimit         uint64
+	batchCommitTimeSec       uint64
+	commitCalldataSizeLimit  uint64
+	batchDataBufferSizeLimit uint64
+
+	proofGenerationFreq uint64
+	batchDataBuffer     []*types.BatchData
+	relayer             *Layer2Relayer
+
+	piCfg *types.PublicInputHashConfig
+
+	stopCh chan struct{}
+}
+
+// NewBatchProposer will return a new instance of BatchProposer.
+func NewBatchProposer(ctx context.Context, cfg *config.BatchProposerConfig, relayer *Layer2Relayer, orm database.OrmFactory) *BatchProposer {
+	p := &BatchProposer{
+		mutex:                    sync.Mutex{},
+		ctx:                      ctx,
+		orm:                      orm,
+		batchTimeSec:             cfg.BatchTimeSec,
+		batchGasThreshold:        cfg.BatchGasThreshold,
+		batchTxNumThreshold:      cfg.BatchTxNumThreshold,
+		batchBlocksLimit:         cfg.BatchBlocksLimit,
+		batchCommitTimeSec:       cfg.BatchCommitTimeSec,
+		commitCalldataSizeLimit:  cfg.CommitTxCalldataSizeLimit,
+		batchDataBufferSizeLimit: 100*cfg.CommitTxCalldataSizeLimit + 1*1024*1024, // @todo: determine the value.
+		proofGenerationFreq:      cfg.ProofGenerationFreq,
+		piCfg:                    cfg.PublicInputConfig,
+		relayer:                  relayer,
+		stopCh:                   make(chan struct{}),
+	}
+
+	// for graceful restart.
+	p.recoverBatchDataBuffer()
+
+	// try to commit the leftover pending batches
+	p.tryCommitBatches()
+
+	return p
+}
+
+// Start the Listening process
+func (p *BatchProposer) Start() {
+	go func() {
+		if reflect.ValueOf(p.orm).IsNil() {
+			panic("must run BatchProposer with DB")
+		}
+
+		ctx, cancel := context.WithCancel(p.ctx)
+
+		// batch proposer loop
+		go func(ctx context.Context) {
+			ticker := time.NewTicker(2 * time.Second)
+			defer ticker.Stop()
+
+			for {
+				select {
+				case <-ctx.Done():
+					return
+
+				case <-ticker.C:
+					p.tryProposeBatch()
+					p.tryCommitBatches()
+				}
+			}
+		}(ctx)
+
+		<-p.stopCh
+		cancel()
+	}()
+}
+
+// Stop the Watcher module, for a graceful shutdown.
+func (p *BatchProposer) Stop() {
+	p.stopCh <- struct{}{}
+}
+
+func (p *BatchProposer) recoverBatchDataBuffer() {
+	// batches are sorted by batch index in increasing order
+	batchHashes, err := p.orm.GetPendingBatches(math.MaxInt32)
+	if err != nil {
+		log.Crit("Failed to fetch pending L2 batches", "err", err)
+	}
+	if len(batchHashes) == 0 {
+		return
+	}
+	log.Info("Load pending batches into batchDataBuffer")
+
+	// helper function to cache and get BlockBatch from DB
+	blockBatchCache := make(map[string]*types.BlockBatch)
+	getBlockBatch := func(batchHash string) (*types.BlockBatch, error) {
+		if blockBatch, ok := blockBatchCache[batchHash]; ok {
+			return blockBatch, nil
+		}
+		blockBatches, err := p.orm.GetBlockBatches(map[string]interface{}{"hash": batchHash})
+		if err != nil || len(blockBatches) == 0 {
+			return nil, err
+		}
+		blockBatchCache[batchHash] = blockBatches[0]
+		return blockBatches[0], nil
+	}
+
+	// recover the in-memory batchData from DB
+	for _, batchHash := range batchHashes {
+		log.Info("recover batch data from pending batch", "batch_hash", batchHash)
+		blockBatch, err := getBlockBatch(batchHash)
+		if err != nil {
+			log.Error("could not get BlockBatch", "batch_hash", batchHash, "error", err)
+			continue
+		}
+
+		parentBatch, err := getBlockBatch(blockBatch.ParentHash)
+		if err != nil {
+			log.Error("could not get parent BlockBatch", "batch_hash", batchHash, "error", err)
+			continue
+		}
+
+		blockInfos, err := p.orm.GetL2BlockInfos(
+			map[string]interface{}{"batch_hash": batchHash},
+			"order by number ASC",
+		)
+
+		if err != nil {
+			log.Error("could not GetL2BlockInfos", "batch_hash", batchHash, "error", err)
+			continue
+		}
+		if len(blockInfos) != int(blockBatch.EndBlockNumber-blockBatch.StartBlockNumber+1) {
+			log.Error("the number of block info retrieved from DB mistmatches the batch info in the DB",
+				"len(blockInfos)", len(blockInfos),
+				"expected", blockBatch.EndBlockNumber-blockBatch.StartBlockNumber+1)
+			continue
+		}
+
+		batchData, err := p.generateBatchData(parentBatch, blockInfos)
+		if err != nil {
+			continue
+		}
+		if batchData.Hash().Hex() != batchHash {
+			log.Error("the hash from recovered batch data mismatches the DB entry",
+				"recovered_batch_hash", batchData.Hash().Hex(),
+				"expected", batchHash)
+			continue
+		}
+
+		p.batchDataBuffer = append(p.batchDataBuffer, batchData)
+	}
+}
+
+func (p *BatchProposer) tryProposeBatch() {
+	p.mutex.Lock()
+	defer p.mutex.Unlock()
+
+	if p.getBatchDataBufferSize() < p.batchDataBufferSizeLimit {
+		blocks, err := p.orm.GetUnbatchedL2Blocks(
+			map[string]interface{}{},
+			fmt.Sprintf("order by number ASC LIMIT %d", p.batchBlocksLimit),
+		)
+		if err != nil {
+			log.Error("failed to get unbatched blocks", "err", err)
+			return
+		}
+
+		p.proposeBatch(blocks)
+	}
+}
+
+func (p *BatchProposer) tryCommitBatches() {
+	p.mutex.Lock()
+	defer p.mutex.Unlock()
+
+	if len(p.batchDataBuffer) == 0 {
+		return
+	}
+
+	// estimate the calldata length to determine whether to commit the pending batches
+	index := 0
+	commit := false
+	calldataByteLen := uint64(0)
+	for ; index < len(p.batchDataBuffer); index++ {
+		calldataByteLen += bridgeabi.GetBatchCalldataLength(&p.batchDataBuffer[index].Batch)
+		if calldataByteLen > p.commitCalldataSizeLimit {
+			commit = true
+			if index == 0 {
+				log.Warn(
+					"The calldata size of one batch is larger than the threshold",
+					"batch_hash", p.batchDataBuffer[0].Hash().Hex(),
+					"calldata_size", calldataByteLen,
+				)
+				index = 1
+			}
+			break
+		}
+	}
+	if !commit && p.batchDataBuffer[0].Timestamp()+p.batchCommitTimeSec > uint64(time.Now().Unix()) {
+		return
+	}
+
+	// Send commit tx for batchDataBuffer[0:index]
+	log.Info("Commit batches", "start_index", p.batchDataBuffer[0].Batch.BatchIndex,
+		"end_index", p.batchDataBuffer[index-1].Batch.BatchIndex)
+	err := p.relayer.SendCommitTx(p.batchDataBuffer[:index])
+	if err != nil {
+		// leave the retry to the next ticker
+		log.Error("SendCommitTx failed", "error", err)
+	} else {
+		// pop the processed batches from the buffer
+		p.batchDataBuffer = p.batchDataBuffer[index:]
+	}
+}
+
+func (p *BatchProposer) proposeBatch(blocks []*types.BlockInfo) {
+	if len(blocks) == 0 {
+		return
+	}
+
+	if blocks[0].GasUsed > p.batchGasThreshold {
+		log.Warn("gas overflow even for only 1 block", "height", blocks[0].Number, "gas", blocks[0].GasUsed)
+		if err := p.createBatchForBlocks(blocks[:1]); err != nil {
+			log.Error("failed to create batch", "number", blocks[0].Number, "err", err)
+		}
+		return
+	}
+
+	if blocks[0].TxNum > p.batchTxNumThreshold {
+		log.Warn("too many txs even for only 1 block", "height", blocks[0].Number, "tx_num", blocks[0].TxNum)
+		if err := p.createBatchForBlocks(blocks[:1]); err != nil {
+			log.Error("failed to create batch", "number", blocks[0].Number, "err", err)
+		}
+		return
+	}
+
+	var gasUsed, txNum uint64
+	reachThreshold := false
+	// add blocks into batch until reach batchGasThreshold
+	for i, block := range blocks {
+		if (gasUsed+block.GasUsed > p.batchGasThreshold) || (txNum+block.TxNum > p.batchTxNumThreshold) {
+			blocks = blocks[:i]
+			reachThreshold = true
+			break
+		}
+		gasUsed += block.GasUsed
+		txNum += block.TxNum
+	}
+
+	// if too few gas gathered, but we don't want to halt, we then check the first block in the batch:
+	// if it's not old enough we will skip proposing the batch,
+	// otherwise we will still propose a batch
+	if !reachThreshold && blocks[0].BlockTimestamp+p.batchTimeSec > uint64(time.Now().Unix()) {
+		return
+	}
+
+	if err := p.createBatchForBlocks(blocks); err != nil {
+		log.Error("failed to create batch", "from", blocks[0].Number, "to", blocks[len(blocks)-1].Number, "err", err)
+	}
+}
+
+func (p *BatchProposer) createBatchForBlocks(blocks []*types.BlockInfo) error {
+	lastBatch, err := p.orm.GetLatestBatch()
+	if err != nil {
+		// We should not receive sql.ErrNoRows error. The DB should have the batch entry that contains the genesis block.
+		return err
+	}
+
+	batchData, err := p.generateBatchData(lastBatch, blocks)
+	if err != nil {
+		log.Error("createBatchData failed", "error", err)
+		return err
+	}
+
+	if err := AddBatchInfoToDB(p.orm, batchData); err != nil {
+		log.Error("addBatchInfoToDB failed", "BatchHash", batchData.Hash(), "error", err)
+		return err
+	}
+
+	p.batchDataBuffer = append(p.batchDataBuffer, batchData)
+	return nil
+}
+
+func (p *BatchProposer) generateBatchData(parentBatch *types.BlockBatch, blocks []*types.BlockInfo) (*types.BatchData, error) {
+	var traces []*geth_types.BlockTrace
+	for _, block := range blocks {
+		trs, err := p.orm.GetL2BlockTraces(map[string]interface{}{"hash": block.Hash})
+		if err != nil || len(trs) != 1 {
+			log.Error("Failed to GetBlockTraces", "hash", block.Hash, "err", err)
+			return nil, err
+		}
+		traces = append(traces, trs[0])
+	}
+	return types.NewBatchData(parentBatch, traces, p.piCfg), nil
+}
+
+func (p *BatchProposer) getBatchDataBufferSize() (size uint64) {
+	for _, batchData := range p.batchDataBuffer {
+		size += bridgeabi.GetBatchCalldataLength(&batchData.Batch)
+	}
+	return
+}

bridge/l2/batch_proposer_test.go

@@ -0,0 +1,103 @@
+package l2
+
+import (
+	"context"
+	"fmt"
+	"math"
+	"testing"
+
+	geth_types "github.com/scroll-tech/go-ethereum/core/types"
+	"github.com/stretchr/testify/assert"
+
+	"scroll-tech/database"
+	"scroll-tech/database/migrate"
+
+	"scroll-tech/bridge/config"
+
+	"scroll-tech/common/types"
+)
+
+func testBatchProposerProposeBatch(t *testing.T) {
+	// Create db handler and reset db.
+	db, err := database.NewOrmFactory(cfg.DBConfig)
+	assert.NoError(t, err)
+	assert.NoError(t, migrate.ResetDB(db.GetDB().DB))
+	defer db.Close()
+
+	// Insert traces into db.
+	assert.NoError(t, db.InsertL2BlockTraces([]*geth_types.BlockTrace{blockTrace1}))
+
+	l2cfg := cfg.L2Config
+	wc := NewL2WatcherClient(context.Background(), l2Cli, l2cfg.Confirmations, l2cfg.L2MessengerAddress, l2cfg.L2MessageQueueAddress, db)
+	wc.Start()
+	defer wc.Stop()
+
+	relayer, err := NewLayer2Relayer(context.Background(), l2Cli, db, cfg.L2Config.RelayerConfig)
+	assert.NoError(t, err)
+
+	proposer := NewBatchProposer(context.Background(), &config.BatchProposerConfig{
+		ProofGenerationFreq: 1,
+		BatchGasThreshold:   3000000,
+		BatchTxNumThreshold: 135,
+		BatchTimeSec:        1,
+		BatchBlocksLimit:    100,
+	}, relayer, db)
+	proposer.tryProposeBatch()
+
+	infos, err := db.GetUnbatchedL2Blocks(map[string]interface{}{},
+		fmt.Sprintf("order by number ASC LIMIT %d", 100))
+	assert.NoError(t, err)
+	assert.Equal(t, 0, len(infos))
+
+	exist, err := db.BatchRecordExist(batchData1.Hash().Hex())
+	assert.NoError(t, err)
+	assert.Equal(t, true, exist)
+}
+
+func testBatchProposerGracefulRestart(t *testing.T) {
+	// Create db handler and reset db.
+	db, err := database.NewOrmFactory(cfg.DBConfig)
+	assert.NoError(t, err)
+	assert.NoError(t, migrate.ResetDB(db.GetDB().DB))
+	defer db.Close()
+
+	relayer, err := NewLayer2Relayer(context.Background(), l2Cli, db, cfg.L2Config.RelayerConfig)
+	assert.NoError(t, err)
+
+	// Insert traces into db.
+	assert.NoError(t, db.InsertL2BlockTraces([]*geth_types.BlockTrace{blockTrace2}))
+
+	// Insert block batch into db.
+	dbTx, err := db.Beginx()
+	assert.NoError(t, err)
+	assert.NoError(t, db.NewBatchInDBTx(dbTx, batchData1))
+	assert.NoError(t, db.NewBatchInDBTx(dbTx, batchData2))
+	assert.NoError(t, db.SetBatchHashForL2BlocksInDBTx(dbTx, []uint64{
+		batchData1.Batch.Blocks[0].BlockNumber}, batchData1.Hash().Hex()))
+	assert.NoError(t, db.SetBatchHashForL2BlocksInDBTx(dbTx, []uint64{
+		batchData2.Batch.Blocks[0].BlockNumber}, batchData2.Hash().Hex()))
+	assert.NoError(t, dbTx.Commit())
+
+	assert.NoError(t, db.UpdateRollupStatus(context.Background(), batchData1.Hash().Hex(), types.RollupFinalized))
+
+	batchHashes, err := db.GetPendingBatches(math.MaxInt32)
+	assert.NoError(t, err)
+	assert.Equal(t, 1, len(batchHashes))
+	assert.Equal(t, batchData2.Hash().Hex(), batchHashes[0])
+	// test p.recoverBatchDataBuffer().
+	_ = NewBatchProposer(context.Background(), &config.BatchProposerConfig{
+		ProofGenerationFreq: 1,
+		BatchGasThreshold:   3000000,
+		BatchTxNumThreshold: 135,
+		BatchTimeSec:        1,
+		BatchBlocksLimit:    100,
+	}, relayer, db)
+
+	batchHashes, err = db.GetPendingBatches(math.MaxInt32)
+	assert.NoError(t, err)
+	assert.Equal(t, 0, len(batchHashes))
+
+	exist, err := db.BatchRecordExist(batchData2.Hash().Hex())
+	assert.NoError(t, err)
+	assert.Equal(t, true, exist)
+}

bridge/l2/check_trace.go

@@ -10,7 +10,8 @@ import (
 	"github.com/scroll-tech/go-ethereum/log"
 )
 
-func blockTraceIsValid(trace *types.BlockResult) bool {
+//nolint:unused
+func blockTraceIsValid(trace *types.BlockTrace) bool {
 	if trace == nil {
 		log.Warn("block trace is empty")
 		return false
@@ -22,6 +23,7 @@ func blockTraceIsValid(trace *types.BlockResult) bool {
 	return flag
 }
 
+//nolint:unused
 func structLogResIsValid(txLogs []*types.StructLogRes) bool {
 	res := true
 	for i := 0; i < len(txLogs); i++ {
@@ -48,6 +50,7 @@ func structLogResIsValid(txLogs []*types.StructLogRes) bool {
 	return res
 }
 
+//nolint:unused
 func codeIsValid(txLog *types.StructLogRes, n int) bool {
 	extraData := txLog.ExtraData
 	if extraData == nil {
@@ -60,6 +63,7 @@ func codeIsValid(txLog *types.StructLogRes, n int) bool {
 	return true
 }
 
+//nolint:unused
 func stateIsValid(txLog *types.StructLogRes, n int) bool {
 	extraData := txLog.ExtraData
 	if extraData == nil {
@@ -73,7 +77,7 @@ func stateIsValid(txLog *types.StructLogRes, n int) bool {
 }
 
 // TraceHasUnsupportedOpcodes check if exist unsupported opcodes
-func TraceHasUnsupportedOpcodes(opcodes map[string]struct{}, trace *types.BlockResult) bool {
+func TraceHasUnsupportedOpcodes(opcodes map[string]struct{}, trace *types.BlockTrace) bool {
 	if trace == nil {
 		return false
 	}

bridge/l2/l2_test.go

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

bridge/l2/relayer.go

@@ -2,25 +2,37 @@ package l2
 
 import (
 	"context"
+	"errors"
+	"fmt"
 	"math/big"
-	"strconv"
+	"runtime"
+	"sync"
 	"time"
 
 	// not sure if this will make problems when relay with l1geth
 
 	"github.com/scroll-tech/go-ethereum/accounts/abi"
 	"github.com/scroll-tech/go-ethereum/common"
-	"github.com/scroll-tech/go-ethereum/core/types"
 	"github.com/scroll-tech/go-ethereum/crypto"
 	"github.com/scroll-tech/go-ethereum/ethclient"
 	"github.com/scroll-tech/go-ethereum/log"
+	"golang.org/x/sync/errgroup"
+	"modernc.org/mathutil"
+
+	"scroll-tech/common/types"
 
 	"scroll-tech/database"
-	"scroll-tech/database/orm"
 
 	bridge_abi "scroll-tech/bridge/abi"
 	"scroll-tech/bridge/config"
 	"scroll-tech/bridge/sender"
+	"scroll-tech/bridge/utils"
+)
+
+const (
+	gasPriceDiffPrecision = 1000000
+
+	defaultGasPriceDiff = 50000 // 5%
 )
 
 // Layer2Relayer is responsible for
@@ -30,110 +42,169 @@ import (
 // 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
-	client *ethclient.Client
-	sender *sender.Sender
+	ctx context.Context
 
-	proofGenerationFreq uint64
-	skippedOpcodes      map[string]struct{}
+	l2Client *ethclient.Client
 
 	db  database.OrmFactory
 	cfg *config.RelayerConfig
 
+	messageSender  *sender.Sender
+	messageCh      <-chan *sender.Confirmation
 	l1MessengerABI *abi.ABI
-	l1RollupABI    *abi.ABI
 
-	// a list of processing message, indexed by layer2 hash
-	processingMessage map[string]string
+	rollupSender *sender.Sender
+	rollupCh     <-chan *sender.Confirmation
+	l1RollupABI  *abi.ABI
 
-	// a list of processing block, indexed by block height
-	processingBlock map[string]uint64
+	gasOracleSender *sender.Sender
+	gasOracleCh     <-chan *sender.Confirmation
+	l2GasOracleABI  *abi.ABI
 
-	// a list of processing proof, indexed by block height
-	processingProof map[string]uint64
+	lastGasPrice uint64
+	minGasPrice  uint64
+	gasPriceDiff uint64
 
-	// channel used to communicate with transaction sender
-	confirmationCh <-chan *sender.Confirmation
-	stopCh         chan struct{}
+	// A list of processing message.
+	// key(string): confirmation ID, value(string): layer2 hash.
+	processingMessage sync.Map
+
+	// A list of processing batches commitment.
+	// key(string): confirmation ID, value([]string): batch hashes.
+	processingBatchesCommitment sync.Map
+
+	// A list of processing batch finalization.
+	// key(string): confirmation ID, value(string): batch hash.
+	processingFinalization sync.Map
+
+	stopCh chan struct{}
 }
 
 // NewLayer2Relayer will return a new instance of Layer2RelayerClient
-func NewLayer2Relayer(ctx context.Context, ethClient *ethclient.Client, proofGenFreq uint64, skippedOpcodes map[string]struct{}, l2ConfirmNum int64, db database.OrmFactory, cfg *config.RelayerConfig) (*Layer2Relayer, error) {
-
-	l1MessengerABI, err := bridge_abi.L1MessengerMetaData.GetAbi()
-	if err != nil {
-		log.Error("Get L1MessengerABI failed", "err", err)
-		return nil, err
-	}
-
-	l1RollupABI, err := bridge_abi.RollupMetaData.GetAbi()
-	if err != nil {
-		log.Error("Get RollupABI failed", "err", err)
-		return nil, err
-	}
-
-	prv, err := crypto.HexToECDSA(cfg.PrivateKey)
-	if err != nil {
-		log.Error("Failed to import private key from config file")
-		return nil, err
-	}
-
+func NewLayer2Relayer(ctx context.Context, l2Client *ethclient.Client, db database.OrmFactory, cfg *config.RelayerConfig) (*Layer2Relayer, error) {
 	// @todo use different sender for relayer, block commit and proof finalize
-	sender, err := sender.NewSender(ctx, cfg.SenderConfig, prv)
+	messageSender, err := sender.NewSender(ctx, cfg.SenderConfig, cfg.MessageSenderPrivateKeys)
 	if err != nil {
-		log.Error("Failed to create sender", "err", err)
+		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
+	}
+
 	return &Layer2Relayer{
-		ctx:                 ctx,
-		client:              ethClient,
-		sender:              sender,
-		db:                  db,
-		l1MessengerABI:      l1MessengerABI,
-		l1RollupABI:         l1RollupABI,
-		cfg:                 cfg,
-		proofGenerationFreq: proofGenFreq,
-		skippedOpcodes:      skippedOpcodes,
-		processingMessage:   map[string]string{},
-		processingBlock:     map[string]uint64{},
-		processingProof:     map[string]uint64{},
-		stopCh:              make(chan struct{}),
-		confirmationCh:      sender.ConfirmChan(),
+		ctx: ctx,
+		db:  db,
+
+		l2Client: l2Client,
+
+		messageSender:  messageSender,
+		messageCh:      messageSender.ConfirmChan(),
+		l1MessengerABI: bridge_abi.L1ScrollMessengerABI,
+
+		rollupSender: rollupSender,
+		rollupCh:     rollupSender.ConfirmChan(),
+		l1RollupABI:  bridge_abi.ScrollChainABI,
+
+		gasOracleSender: gasOracleSender,
+		gasOracleCh:     gasOracleSender.ConfirmChan(),
+		l2GasOracleABI:  bridge_abi.L2GasPriceOracleABI,
+
+		minGasPrice:  minGasPrice,
+		gasPriceDiff: gasPriceDiff,
+
+		cfg:                         cfg,
+		processingMessage:           sync.Map{},
+		processingBatchesCommitment: sync.Map{},
+		processingFinalization:      sync.Map{},
+		stopCh:                      make(chan struct{}),
 	}, nil
 }
 
+const processMsgLimit = 100
+
 // ProcessSavedEvents relays saved un-processed cross-domain transactions to desired blockchain
 func (r *Layer2Relayer) ProcessSavedEvents() {
+	batch, err := r.db.GetLatestFinalizedBatch()
+	if err != nil {
+		log.Error("GetLatestFinalizedBatch failed", "err", err)
+		return
+	}
+
 	// msgs are sorted by nonce in increasing order
-	msgs, err := r.db.GetL2UnprocessedMessages()
+	msgs, err := r.db.GetL2Messages(
+		map[string]interface{}{"status": types.MsgPending},
+		fmt.Sprintf("AND height<=%d", batch.EndBlockNumber),
+		fmt.Sprintf("ORDER BY nonce ASC LIMIT %d", processMsgLimit),
+	)
+
 	if err != nil {
 		log.Error("Failed to fetch unprocessed L2 messages", "err", err)
 		return
 	}
-	if len(msgs) == 0 {
-		return
-	}
-	msg := msgs[0]
-	// @todo add support to relay multiple messages
-	latestFinalizeHeight, err := r.db.GetLatestFinalizedBlock()
-	if err != nil {
-		log.Error("GetLatestFinalizedBlock failed", "err", err)
-		return
-	}
-	if latestFinalizeHeight < msg.Height {
-		// log.Warn("corresponding block not finalized", "status", status)
-		return
-	}
 
+	// process messages in batches
+	batchSize := mathutil.Min((runtime.GOMAXPROCS(0)+1)/2, r.messageSender.NumberOfAccounts())
+	for size := 0; len(msgs) > 0; msgs = msgs[size:] {
+		if size = len(msgs); size > batchSize {
+			size = batchSize
+		}
+		var g errgroup.Group
+		for _, msg := range msgs[:size] {
+			msg := msg
+			g.Go(func() error {
+				return r.processSavedEvent(msg)
+			})
+		}
+		if err := g.Wait(); err != nil {
+			if !errors.Is(err, sender.ErrNoAvailableAccount) {
+				log.Error("failed to process l2 saved event", "err", err)
+			}
+			return
+		}
+	}
+}
+
+func (r *Layer2Relayer) processSavedEvent(msg *types.L2Message) error {
 	// @todo fetch merkle proof from l2geth
 	log.Info("Processing L2 Message", "msg.nonce", msg.Nonce, "msg.height", msg.Height)
 
+	// Get the block info that contains the message
+	blockInfos, err := r.db.GetL2BlockInfos(map[string]interface{}{"number": msg.Height})
+	if err != nil {
+		log.Error("Failed to GetL2BlockInfos from DB", "number", msg.Height)
+	}
+	blockInfo := blockInfos[0]
+	if !blockInfo.BatchHash.Valid {
+		log.Error("Block has not been batched yet", "number", blockInfo.Number, "msg.nonce", msg.Nonce)
+		return nil
+	}
+
+	// TODO: rebuild the withdraw trie to generate the merkle proof
 	proof := bridge_abi.IL1ScrollMessengerL2MessageProof{
-		BlockNumber: big.NewInt(int64(msg.Height)),
+		BatchHash:   common.HexToHash(blockInfo.BatchHash.String),
 		MerkleProof: make([]byte, 0),
 	}
-	sender := common.HexToAddress(msg.Sender)
+	from := common.HexToAddress(msg.Sender)
 	target := common.HexToAddress(msg.Target)
 	value, ok := big.NewInt(0).SetString(msg.Value, 10)
 	if !ok {
@@ -141,226 +212,244 @@ func (r *Layer2Relayer) ProcessSavedEvents() {
 		log.Error("Failed to parse message value", "msg.nonce", msg.Nonce, "msg.height", msg.Height)
 		// TODO: need to skip this message by changing its status to MsgError
 	}
-	fee, _ := big.NewInt(0).SetString(msg.Fee, 10)
-	deadline := big.NewInt(int64(msg.Deadline))
 	msgNonce := big.NewInt(int64(msg.Nonce))
 	calldata := common.Hex2Bytes(msg.Calldata)
-	data, err := r.l1MessengerABI.Pack("relayMessageWithProof", sender, target, value, fee, deadline, msgNonce, calldata, proof)
+	data, err := r.l1MessengerABI.Pack("relayMessageWithProof", from, target, value, msgNonce, calldata, proof)
 	if err != nil {
 		log.Error("Failed to pack relayMessageWithProof", "msg.nonce", msg.Nonce, "err", err)
 		// TODO: need to skip this message by changing its status to MsgError
-		return
+		return err
 	}
 
-	hash, err := r.sender.SendTransaction(msg.Layer2Hash, &r.cfg.MessengerContractAddress, big.NewInt(0), data)
-	if err != nil {
-		log.Error("Failed to send relayMessageWithProof tx to L1", "err", err)
-		return
+	hash, err := r.messageSender.SendTransaction(msg.MsgHash, &r.cfg.MessengerContractAddress, big.NewInt(0), data)
+	if err != nil && err.Error() == "execution reverted: Message expired" {
+		return r.db.UpdateLayer2Status(r.ctx, msg.MsgHash, types.MsgExpired)
 	}
-	log.Info("relayMessageWithProof to layer1", "layer2hash", msg.Layer2Hash, "txhash", hash.String())
+	if err != nil && err.Error() == "execution reverted: Message successfully executed" {
+		return r.db.UpdateLayer2Status(r.ctx, msg.MsgHash, types.MsgConfirmed)
+	}
+	if err != nil {
+		if !errors.Is(err, sender.ErrNoAvailableAccount) {
+			log.Error("Failed to send relayMessageWithProof tx to layer1 ", "msg.height", msg.Height, "msg.MsgHash", msg.MsgHash, "err", err)
+		}
+		return err
+	}
+	log.Info("relayMessageWithProof to layer1", "msgHash", msg.MsgHash, "txhash", hash.String())
 
 	// save status in db
 	// @todo handle db error
-	err = r.db.UpdateLayer2StatusAndLayer1Hash(r.ctx, msg.Layer2Hash, hash.String(), orm.MsgSubmitted)
+	err = r.db.UpdateLayer2StatusAndLayer1Hash(r.ctx, msg.MsgHash, types.MsgSubmitted, hash.String())
 	if err != nil {
-		log.Error("UpdateLayer2StatusAndLayer1Hash failed", "layer2hash", msg.Layer2Hash, "err", err)
+		log.Error("UpdateLayer2StatusAndLayer1Hash failed", "msgHash", msg.MsgHash, "err", err)
+		return err
 	}
-	r.processingMessage[msg.Layer2Hash] = msg.Layer2Hash
+	r.processingMessage.Store(msg.MsgHash, msg.MsgHash)
+	return nil
 }
 
-// ProcessPendingBlocks submit block data to layer rollup contract
-func (r *Layer2Relayer) ProcessPendingBlocks() {
-	// blocks are sorted by height in increasing order
-	blocksInDB, err := r.db.GetPendingBlocks()
+// ProcessGasPriceOracle imports gas price to layer1
+func (r *Layer2Relayer) ProcessGasPriceOracle() {
+	batch, err := r.db.GetLatestBatch()
 	if err != nil {
-		log.Error("Failed to fetch pending L2 blocks", "err", err)
-		return
-	}
-	if len(blocksInDB) == 0 {
-		return
-	}
-	height := blocksInDB[0]
-	// @todo add support to relay multiple blocks
-
-	// will fetch missing block result from l2geth
-	trace, err := r.getOrFetchBlockResultByHeight(height)
-	if err != nil {
-		log.Error("getOrFetchBlockResultByHeight failed",
-			"height", height,
-			"err", err,
-		)
-		return
-	}
-	if trace == nil {
-		return
-	}
-	parentHash, err := r.getOrFetchBlockHashByHeight(height - 1)
-	if err != nil {
-		log.Error("getOrFetchBlockHashByHeight for parent block failed",
-			"parent height", height-1,
-			"err", err,
-		)
-		return
-	}
-	if parentHash == nil {
-		log.Error("parent hash is empty",
-			"height", height,
-			"err", err,
-		)
+		log.Error("Failed to GetLatestBatch", "err", err)
 		return
 	}
 
-	header := bridge_abi.IZKRollupBlockHeader{
-		BlockHash:   trace.BlockTrace.Hash,
-		ParentHash:  *parentHash,
-		BaseFee:     trace.BlockTrace.BaseFee.ToInt(),
-		StateRoot:   trace.StorageTrace.RootAfter,
-		BlockHeight: trace.BlockTrace.Number.ToInt().Uint64(),
-		GasUsed:     0,
-		Timestamp:   trace.BlockTrace.Time,
-		ExtraData:   make([]byte, 0),
-	}
-	txns := make([]bridge_abi.IZKRollupLayer2Transaction, len(trace.BlockTrace.Transactions))
-	for i, tx := range trace.BlockTrace.Transactions {
-		txns[i] = bridge_abi.IZKRollupLayer2Transaction{
-			Caller:   tx.From,
-			Nonce:    tx.Nonce,
-			Gas:      tx.Gas,
-			GasPrice: tx.GasPrice.ToInt(),
-			Value:    tx.Value.ToInt(),
-			Data:     common.Hex2Bytes(tx.Data),
+	if 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
 		}
-		if tx.To != nil {
-			txns[i].Target = *tx.To
+		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)
+			if err != nil {
+				if !errors.Is(err, sender.ErrNoAvailableAccount) {
+					log.Error("Failed to send setL2BaseFee tx to layer2 ", "batch.Hash", batch.Hash, "err", err)
+				}
+				return
+			}
+
+			err = r.db.UpdateL2GasOracleStatusAndOracleTxHash(r.ctx, batch.Hash, types.GasOracleImporting, hash.String())
+			if err != nil {
+				log.Error("UpdateGasOracleStatusAndOracleTxHash failed", "batch.Hash", batch.Hash, "err", err)
+				return
+			}
+			r.lastGasPrice = suggestGasPriceUint64
+			log.Info("Update l2 gas price", "txHash", hash.String(), "GasPrice", suggestGasPrice)
 		}
-		header.GasUsed += trace.ExecutionResults[i].Gas
+	}
+}
+
+// SendCommitTx sends commitBatches tx to L1.
+func (r *Layer2Relayer) SendCommitTx(batchData []*types.BatchData) error {
+	if len(batchData) == 0 {
+		log.Error("SendCommitTx receives empty batch")
+		return nil
 	}
 
-	data, err := r.l1RollupABI.Pack("commitBlock", header, txns)
-	if err != nil {
-		log.Error("Failed to pack commitBlock", "height", height, "err", err)
-		return
+	// pack calldata
+	commitBatches := make([]bridge_abi.IScrollChainBatch, len(batchData))
+	for i, batch := range batchData {
+		commitBatches[i] = batch.Batch
 	}
-	hash, err := r.sender.SendTransaction(strconv.FormatUint(height, 10), &r.cfg.RollupContractAddress, big.NewInt(0), data)
+	calldata, err := r.l1RollupABI.Pack("commitBatches", commitBatches)
 	if err != nil {
-		log.Error("Failed to send commitBlock tx to layer1 ", "height", height, "err", err)
-		return
+		log.Error("Failed to pack commitBatches",
+			"error", err,
+			"start_batch_index", commitBatches[0].BatchIndex,
+			"end_batch_index", commitBatches[len(commitBatches)-1].BatchIndex)
+		return err
 	}
-	log.Info("commitBlock in layer1", "height", height, "hash", hash)
+
+	// generate a unique txID and send transaction
+	var bytes []byte
+	for _, batch := range batchData {
+		bytes = append(bytes, batch.Hash().Bytes()...)
+	}
+	txID := crypto.Keccak256Hash(bytes).String()
+	txHash, err := r.rollupSender.SendTransaction(txID, &r.cfg.RollupContractAddress, big.NewInt(0), calldata)
+	if err != nil {
+		if !errors.Is(err, sender.ErrNoAvailableAccount) {
+			log.Error("Failed to send commitBatches tx to layer1 ", "err", err)
+		}
+		return err
+	}
+	log.Info("Sent the commitBatches tx to layer1",
+		"tx_hash", txHash.Hex(),
+		"start_batch_index", commitBatches[0].BatchIndex,
+		"end_batch_index", commitBatches[len(commitBatches)-1].BatchIndex)
 
 	// record and sync with db, @todo handle db error
-	err = r.db.UpdateRollupTxHashAndStatus(r.ctx, height, hash.String(), orm.RollupCommitting)
-	if err != nil {
-		log.Error("UpdateRollupTxHashAndStatus failed", "height", height, "err", err)
+	batchHashes := make([]string, len(batchData))
+	for i, batch := range batchData {
+		batchHashes[i] = batch.Hash().Hex()
+		err = r.db.UpdateCommitTxHashAndRollupStatus(r.ctx, batchHashes[i], txHash.String(), types.RollupCommitting)
+		if err != nil {
+			log.Error("UpdateCommitTxHashAndRollupStatus failed", "hash", batchHashes[i], "index", batch.Batch.BatchIndex, "err", err)
+		}
 	}
-	r.processingBlock[strconv.FormatUint(height, 10)] = height
+	r.processingBatchesCommitment.Store(txID, batchHashes)
+	return nil
 }
 
-// ProcessCommittedBlocks submit proof to layer rollup contract
-func (r *Layer2Relayer) ProcessCommittedBlocks() {
-	// blocks are sorted by height in increasing order
-	blocksInDB, err := r.db.GetCommittedBlocks()
-	if err != nil {
-		log.Error("Failed to fetch committed L2 blocks", "err", err)
-		return
+// ProcessCommittedBatches submit proof to layer 1 rollup contract
+func (r *Layer2Relayer) ProcessCommittedBatches() {
+	// set skipped batches in a single db operation
+	if count, err := r.db.UpdateSkippedBatches(); err != nil {
+		log.Error("UpdateSkippedBatches failed", "err", err)
+		// continue anyway
+	} else if count > 0 {
+		log.Info("Skipping batches", "count", count)
 	}
-	if len(blocksInDB) == 0 {
-		return
-	}
-	height := blocksInDB[0]
-	// @todo add support to relay multiple blocks
 
-	status, err := r.db.GetBlockStatusByNumber(height)
+	// batches are sorted by batch index in increasing order
+	batches, err := r.db.GetCommittedBatches(1)
 	if err != nil {
-		log.Error("GetBlockStatusByNumber failed", "height", height, "err", err)
+		log.Error("Failed to fetch committed L2 batches", "err", err)
+		return
+	}
+	if len(batches) == 0 {
+		return
+	}
+	hash := batches[0]
+	// @todo add support to relay multiple batches
+
+	status, err := r.db.GetProvingStatusByHash(hash)
+	if err != nil {
+		log.Error("GetProvingStatusByHash failed", "hash", hash, "err", err)
 		return
 	}
 
 	switch status {
-	case orm.BlockUnassigned, orm.BlockAssigned:
+	case types.ProvingTaskUnassigned, types.ProvingTaskAssigned:
 		// The proof for this block is not ready yet.
 		return
 
-	case orm.BlockProved:
+	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 orm.BlockFailed, orm.BlockSkipped:
-		if err = r.db.UpdateRollupStatus(r.ctx, height, orm.RollupFinalizationSkipped); err != nil {
-			log.Warn("UpdateRollupStatus failed", "height", height, "err", err)
+	case types.ProvingTaskFailed, types.ProvingTaskSkipped:
+		// note: this is covered by UpdateSkippedBatches, but we keep it for completeness's sake
+
+		if err = r.db.UpdateRollupStatus(r.ctx, hash, types.RollupFinalizationSkipped); err != nil {
+			log.Warn("UpdateRollupStatus failed", "hash", hash, "err", err)
 		}
 
-	case orm.BlockVerified:
-		log.Info("Start to roll up zk proof", "height", height)
+	case types.ProvingTaskVerified:
+		log.Info("Start to roll up zk proof", "hash", hash)
 		success := false
 
 		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", "height", height)
-				if err = r.db.UpdateRollupStatus(r.ctx, height, orm.RollupFinalizationSkipped); err != nil {
-					log.Warn("UpdateRollupStatus failed", "height", height, "err", err)
+				log.Info("Failed to upload the proof, change rollup status to FinalizationSkipped", "hash", hash)
+				if err = r.db.UpdateRollupStatus(r.ctx, hash, types.RollupFinalizationSkipped); err != nil {
+					log.Warn("UpdateRollupStatus failed", "hash", hash, "err", err)
 				}
 			}
 		}()
 
-		proofBuffer, instanceBuffer, err := r.db.GetVerifiedProofAndInstanceByNumber(height)
+		proofBuffer, instanceBuffer, err := r.db.GetVerifiedProofAndInstanceByHash(hash)
 		if err != nil {
-			log.Warn("fetch get proof by height failed", "height", height, "err", err)
+			log.Warn("fetch get proof by hash failed", "hash", hash, "err", err)
 			return
 		}
 		if proofBuffer == nil || instanceBuffer == nil {
-			log.Warn("proof or instance not ready", "height", height)
+			log.Warn("proof or instance not ready", "hash", hash)
 			return
 		}
 		if len(proofBuffer)%32 != 0 {
-			log.Error("proof buffer has wrong length", "height", height, "length", len(proofBuffer))
+			log.Error("proof buffer has wrong length", "hash", hash, "length", len(proofBuffer))
 			return
 		}
 		if len(instanceBuffer)%32 != 0 {
-			log.Warn("instance buffer has wrong length", "height", height, "length", len(instanceBuffer))
+			log.Warn("instance buffer has wrong length", "hash", hash, "length", len(instanceBuffer))
 			return
 		}
 
-		proof := bufferToUint256Le(proofBuffer)
-		instance := bufferToUint256Le(instanceBuffer)
+		proof := utils.BufferToUint256Le(proofBuffer)
+		instance := utils.BufferToUint256Le(instanceBuffer)
+		data, err := r.l1RollupABI.Pack("finalizeBatchWithProof", common.HexToHash(hash), proof, instance)
+		if err != nil {
+			log.Error("Pack finalizeBatchWithProof failed", "err", err)
+			return
+		}
 
-		// it must in db
-		hash, err := r.db.GetHashByNumber(height)
+		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)
+		finalizeTxHash := &txHash
 		if err != nil {
-			log.Warn("fetch missing block result by height failed", "height", height, "err", err)
-		}
-		if hash == nil {
-			// only happen when trace validate failed
+			if !errors.Is(err, sender.ErrNoAvailableAccount) {
+				log.Error("finalizeBatchWithProof in layer1 failed", "hash", hash, "err", err)
+			}
 			return
 		}
-		data, err := r.l1RollupABI.Pack("finalizeBlockWithProof", hash, proof, instance)
-		if err != nil {
-			log.Error("Pack finalizeBlockWithProof failed", err)
-			return
-		}
-		txHash, err := r.sender.SendTransaction(strconv.FormatUint(height, 10), &r.cfg.RollupContractAddress, big.NewInt(0), data)
-		hash = &txHash
-		if err != nil {
-			log.Error("finalizeBlockWithProof in layer1 failed",
-				"height", height,
-				"err", err,
-			)
-			return
-		}
-		log.Info("finalizeBlockWithProof in layer1", "height", height, "hash", hash)
+		log.Info("finalizeBatchWithProof in layer1", "batch_hash", hash, "tx_hash", hash)
 
 		// record and sync with db, @todo handle db error
-		err = r.db.UpdateFinalizeTxHashAndStatus(r.ctx, height, hash.String(), orm.RollupFinalizing)
+		err = r.db.UpdateFinalizeTxHashAndRollupStatus(r.ctx, hash, finalizeTxHash.String(), types.RollupFinalizing)
 		if err != nil {
-			log.Warn("UpdateFinalizeTxHashAndStatus failed", "height", height, "err", err)
+			log.Warn("UpdateFinalizeTxHashAndRollupStatus failed", "batch_hash", hash, "err", err)
 		}
 		success = true
-		r.processingProof[strconv.FormatUint(height, 10)] = height
+		r.processingFinalization.Store(txID, hash)
 
 	default:
-		log.Error("encounter unreachable case in ProcessCommittedBlocks",
+		log.Error("encounter unreachable case in ProcessCommittedBatches",
 			"block_status", status,
 		)
 	}
@@ -368,23 +457,58 @@ func (r *Layer2Relayer) ProcessCommittedBlocks() {
 
 // Start the relayer process
 func (r *Layer2Relayer) Start() {
-	go func() {
-		// trigger by timer
+	loop := func(ctx context.Context, f func()) {
 		ticker := time.NewTicker(time.Second)
 		defer ticker.Stop()
 
 		for {
 			select {
-			case <-ticker.C:
-				r.ProcessSavedEvents()
-				r.ProcessPendingBlocks()
-				r.ProcessCommittedBlocks()
-			case confirmation := <-r.confirmationCh:
-				r.handleConfirmation(confirmation)
-			case <-r.stopCh:
+			case <-ctx.Done():
 				return
+			case <-ticker.C:
+				f()
 			}
 		}
+	}
+
+	go func() {
+		ctx, cancel := context.WithCancel(r.ctx)
+
+		go loop(ctx, r.ProcessSavedEvents)
+		go loop(ctx, r.ProcessCommittedBatches)
+		go loop(ctx, r.ProcessGasPriceOracle)
+
+		go func(ctx context.Context) {
+			for {
+				select {
+				case <-ctx.Done():
+					return
+				case confirmation := <-r.messageCh:
+					r.handleConfirmation(confirmation)
+				case confirmation := <-r.rollupCh:
+					r.handleConfirmation(confirmation)
+				case cfm := <-r.gasOracleCh:
+					if !cfm.IsSuccessful {
+						// @discuss: maybe make it pending again?
+						err := r.db.UpdateL2GasOracleStatusAndOracleTxHash(r.ctx, cfm.ID, types.GasOracleFailed, cfm.TxHash.String())
+						if err != nil {
+							log.Warn("UpdateL2GasOracleStatusAndOracleTxHash failed", "err", err)
+						}
+						log.Warn("transaction confirmed but failed in layer1", "confirmation", cfm)
+					} else {
+						// @todo handle db error
+						err := r.db.UpdateL2GasOracleStatusAndOracleTxHash(r.ctx, cfm.ID, types.GasOracleImported, cfm.TxHash.String())
+						if err != nil {
+							log.Warn("UpdateL2GasOracleStatusAndOracleTxHash failed", "err", err)
+						}
+						log.Info("transaction confirmed in layer1", "confirmation", cfm)
+					}
+				}
+			}
+		}(ctx)
+
+		<-r.stopCh
+		cancel()
 	}()
 }
 
@@ -393,130 +517,46 @@ func (r *Layer2Relayer) Stop() {
 	close(r.stopCh)
 }
 
-func (r *Layer2Relayer) getOrFetchBlockHashByHeight(height uint64) (*common.Hash, error) {
-	hash, err := r.db.GetHashByNumber(height)
-	if err != nil {
-		block, err := r.client.BlockByNumber(r.ctx, big.NewInt(int64(height)))
-		if err != nil {
-			return nil, err
-		}
-		x := block.Hash()
-		return &x, err
-	}
-	return hash, nil
-}
-
-func (r *Layer2Relayer) getOrFetchBlockResultByHeight(height uint64) (*types.BlockResult, error) {
-	tracesInDB, err := r.db.GetBlockResults(map[string]interface{}{"number": height})
-	if err != nil {
-		log.Warn("GetBlockResults failed", "height", height, "err", err)
-		return nil, err
-	}
-	if len(tracesInDB) == 0 {
-		return r.fetchMissingBlockResultByHeight(height)
-	}
-	return tracesInDB[0], nil
-}
-
-func (r *Layer2Relayer) fetchMissingBlockResultByHeight(height uint64) (*types.BlockResult, error) {
-	header, err := r.client.HeaderByNumber(r.ctx, big.NewInt(int64(height)))
-	if err != nil {
-		return nil, err
-	}
-	trace, err := r.client.GetBlockResultByHash(r.ctx, header.Hash())
-	if err != nil {
-		return nil, err
-	}
-	if blockTraceIsValid(trace) {
-		// skip verify for unsupported block
-		skip := false
-		if height%r.proofGenerationFreq != 0 {
-			log.Info("skip proof generation", "block", height)
-			skip = true
-		} else if TraceHasUnsupportedOpcodes(r.skippedOpcodes, trace) {
-			log.Info("block has unsupported opcodes, skip proof generation", "block", height)
-			skip = true
-		}
-		if skip {
-			if err = r.db.InsertBlockResultsWithStatus(r.ctx, []*types.BlockResult{trace}, orm.BlockSkipped); err != nil {
-				log.Error("failed to store missing blockResult", "err", err)
-			}
-		} else {
-			if err = r.db.InsertBlockResultsWithStatus(r.ctx, []*types.BlockResult{trace}, orm.BlockUnassigned); err != nil {
-				log.Error("failed to store missing blockResult", "err", err)
-			}
-		}
-		return trace, nil
-	}
-	return nil, nil
-}
-
 func (r *Layer2Relayer) handleConfirmation(confirmation *sender.Confirmation) {
+	if !confirmation.IsSuccessful {
+		log.Warn("transaction confirmed but failed in layer1", "confirmation", confirmation)
+		return
+	}
+
 	transactionType := "Unknown"
 	// check whether it is message relay transaction
-	if layer2Hash, ok := r.processingMessage[confirmation.ID]; ok {
+	if msgHash, ok := r.processingMessage.Load(confirmation.ID); ok {
 		transactionType = "MessageRelay"
 		// @todo handle db error
-		err := r.db.UpdateLayer2StatusAndLayer1Hash(r.ctx, layer2Hash, confirmation.TxHash.String(), orm.MsgConfirmed)
+		err := r.db.UpdateLayer2StatusAndLayer1Hash(r.ctx, msgHash.(string), types.MsgConfirmed, confirmation.TxHash.String())
 		if err != nil {
-			log.Warn("UpdateLayer2StatusAndLayer1Hash failed", "err", err)
+			log.Warn("UpdateLayer2StatusAndLayer1Hash failed", "msgHash", msgHash.(string), "err", err)
 		}
-		delete(r.processingMessage, confirmation.ID)
+		r.processingMessage.Delete(confirmation.ID)
 	}
 
-	// check whether it is block commitment transaction
-	if blockHeight, ok := r.processingBlock[confirmation.ID]; ok {
-		transactionType = "BlockCommitment"
-		// @todo handle db error
-		err := r.db.UpdateRollupTxHashAndStatus(r.ctx, blockHeight, confirmation.TxHash.String(), orm.RollupCommitted)
-		if err != nil {
-			log.Warn("UpdateRollupTxHashAndStatus failed", "err", err)
+	// check whether it is CommitBatches transaction
+	if batchBatches, ok := r.processingBatchesCommitment.Load(confirmation.ID); ok {
+		transactionType = "BatchesCommitment"
+		for _, batchHash := range batchBatches.([]string) {
+			// @todo handle db error
+			err := r.db.UpdateCommitTxHashAndRollupStatus(r.ctx, batchHash, confirmation.TxHash.String(), types.RollupCommitted)
+			if err != nil {
+				log.Warn("UpdateCommitTxHashAndRollupStatus failed", "batch_hash", batchHash, "err", err)
+			}
 		}
-		delete(r.processingBlock, confirmation.ID)
+		r.processingBatchesCommitment.Delete(confirmation.ID)
 	}
 
 	// check whether it is proof finalization transaction
-	if blockHeight, ok := r.processingProof[confirmation.ID]; ok {
+	if batchHash, ok := r.processingFinalization.Load(confirmation.ID); ok {
 		transactionType = "ProofFinalization"
 		// @todo handle db error
-		err := r.db.UpdateFinalizeTxHashAndStatus(r.ctx, blockHeight, confirmation.TxHash.String(), orm.RollupFinalized)
+		err := r.db.UpdateFinalizeTxHashAndRollupStatus(r.ctx, batchHash.(string), confirmation.TxHash.String(), types.RollupFinalized)
 		if err != nil {
-			log.Warn("UpdateFinalizeTxHashAndStatus failed", "err", err)
-		}
-		delete(r.processingProof, confirmation.ID)
-
-		// try to delete block trace
-		err = r.db.DeleteTraceByNumber(blockHeight)
-		if err != nil {
-			log.Warn("DeleteTraceByNumber failed", "err", err)
+			log.Warn("UpdateFinalizeTxHashAndRollupStatus failed", "batch_hash", batchHash.(string), "err", err)
 		}
+		r.processingFinalization.Delete(confirmation.ID)
 	}
 	log.Info("transaction confirmed in layer1", "type", transactionType, "confirmation", confirmation)
 }
-
-//nolint:unused
-func bufferToUint256Be(buffer []byte) []*big.Int {
-	buffer256 := make([]*big.Int, len(buffer)/32)
-	for i := 0; i < len(buffer)/32; i++ {
-		buffer256[i] = big.NewInt(0)
-		for j := 0; j < 32; j++ {
-			buffer256[i] = buffer256[i].Lsh(buffer256[i], 8)
-			buffer256[i] = buffer256[i].Add(buffer256[i], big.NewInt(int64(buffer[i*32+j])))
-		}
-	}
-	return buffer256
-}
-
-func bufferToUint256Le(buffer []byte) []*big.Int {
-	buffer256 := make([]*big.Int, len(buffer)/32)
-	for i := 0; i < len(buffer)/32; i++ {
-		v := big.NewInt(0)
-		shft := big.NewInt(1)
-		for j := 0; j < 32; j++ {
-			v = new(big.Int).Add(v, new(big.Int).Mul(shft, big.NewInt(int64(buffer[i*32+j]))))
-			shft = new(big.Int).Mul(shft, big.NewInt(256))
-		}
-		buffer256[i] = v
-	}
-	return buffer256
-}

bridge/l2/relayer_test.go

@@ -1,234 +1,211 @@
-package l2_test
+package l2
 
 import (
 	"context"
 	"encoding/json"
+	"math/big"
 	"os"
+	"strconv"
 	"testing"
-	"time"
 
-	"github.com/scroll-tech/go-ethereum/core/types"
-	"github.com/scroll-tech/go-ethereum/ethclient"
+	"github.com/scroll-tech/go-ethereum/common"
+	geth_types "github.com/scroll-tech/go-ethereum/core/types"
 	"github.com/stretchr/testify/assert"
 
-	"scroll-tech/common/docker"
+	"scroll-tech/common/types"
 
 	"scroll-tech/database"
-	"scroll-tech/database/orm"
-
-	"scroll-tech/bridge/config"
-
-	"scroll-tech/bridge/l2"
-	"scroll-tech/bridge/mock"
+	"scroll-tech/database/migrate"
 )
 
 var (
-	templateLayer2Message = []*orm.Layer2Message{
+	templateL2Message = []*types.L2Message{
 		{
 			Nonce:      1,
 			Height:     1,
 			Sender:     "0x596a746661dbed76a84556111c2872249b070e15",
 			Value:      "100",
-			Fee:        "100",
-			GasLimit:   11529940,
-			Deadline:   uint64(time.Now().Unix()),
 			Target:     "0x2c73620b223808297ea734d946813f0dd78eb8f7",
 			Calldata:   "testdata",
 			Layer2Hash: "hash0",
 		},
 	}
-	l1Docker docker.ImgInstance
-	l2Docker docker.ImgInstance
-	dbDocker docker.ImgInstance
 )
 
-func setupEnv(t *testing.T) {
-	l1Docker = mock.NewTestL1Docker(t, TEST_CONFIG)
-	l2Docker = mock.NewTestL2Docker(t, TEST_CONFIG)
-	dbDocker = mock.GetDbDocker(t, TEST_CONFIG)
+func testCreateNewRelayer(t *testing.T) {
+	// Create db handler and reset db.
+	db, err := database.NewOrmFactory(cfg.DBConfig)
+	assert.NoError(t, err)
+	assert.NoError(t, migrate.ResetDB(db.GetDB().DB))
+	defer db.Close()
+
+	relayer, err := NewLayer2Relayer(context.Background(), l2Cli, db, cfg.L2Config.RelayerConfig)
+	assert.NoError(t, err)
+	defer relayer.Stop()
+
+	relayer.Start()
 }
 
-func TestRelayerFunction(t *testing.T) {
-	// Setup
-	setupEnv(t)
+func testL2RelayerProcessSaveEvents(t *testing.T) {
+	// Create db handler and reset db.
+	db, err := database.NewOrmFactory(cfg.DBConfig)
+	assert.NoError(t, err)
+	assert.NoError(t, migrate.ResetDB(db.GetDB().DB))
+	defer db.Close()
 
-	t.Run("TestCreateNewRelayer", func(t *testing.T) {
-		cfg, err := config.NewConfig("../config.json")
-		assert.NoError(t, err)
-		cfg.L2Config.RelayerConfig.SenderConfig.Endpoint = l1Docker.Endpoint()
+	l2Cfg := cfg.L2Config
+	relayer, err := NewLayer2Relayer(context.Background(), l2Cli, db, l2Cfg.RelayerConfig)
+	assert.NoError(t, err)
+	defer relayer.Stop()
 
-		client, err := ethclient.Dial(l2Docker.Endpoint())
-		assert.NoError(t, err)
+	err = db.SaveL2Messages(context.Background(), templateL2Message)
+	assert.NoError(t, err)
 
-		db, err := database.NewOrmFactory(TEST_CONFIG.DB_CONFIG)
-		assert.NoError(t, err)
-
-		skippedOpcodes := make(map[string]struct{}, len(cfg.L2Config.SkippedOpcodes))
-		for _, op := range cfg.L2Config.SkippedOpcodes {
-			skippedOpcodes[op] = struct{}{}
-		}
-
-		relayer, err := l2.NewLayer2Relayer(context.Background(), client, cfg.L2Config.ProofGenerationFreq, skippedOpcodes, int64(cfg.L2Config.Confirmations), db, cfg.L2Config.RelayerConfig)
-		assert.NoError(t, err)
-
-		relayer.Start()
-
-		defer relayer.Stop()
-	})
-
-	t.Run("TestL2RelayerProcessSaveEvents", func(t *testing.T) {
-		cfg, err := config.NewConfig("../config.json")
-		assert.NoError(t, err)
-		cfg.L2Config.RelayerConfig.SenderConfig.Endpoint = l1Docker.Endpoint()
-
-		client, err := ethclient.Dial(l2Docker.Endpoint())
-		assert.NoError(t, err)
-
-		mock.ClearDB(t, TEST_CONFIG.DB_CONFIG)
-		db := mock.PrepareDB(t, TEST_CONFIG.DB_CONFIG)
-
-		skippedOpcodes := make(map[string]struct{}, len(cfg.L2Config.SkippedOpcodes))
-		for _, op := range cfg.L2Config.SkippedOpcodes {
-			skippedOpcodes[op] = struct{}{}
-		}
-		relayer, err := l2.NewLayer2Relayer(context.Background(), client, cfg.L2Config.ProofGenerationFreq, skippedOpcodes, int64(cfg.L2Config.Confirmations), db, cfg.L2Config.RelayerConfig)
-		assert.NoError(t, err)
-
-		err = db.SaveLayer2Messages(context.Background(), templateLayer2Message)
-		assert.NoError(t, err)
-		blocks := []*orm.RollupResult{
-			{
-				Number:         3,
-				Status:         orm.RollupFinalized,
-				RollupTxHash:   "Rollup Test Hash",
-				FinalizeTxHash: "Finalized Hash",
+	traces := []*geth_types.BlockTrace{
+		{
+			Header: &geth_types.Header{
+				Number: big.NewInt(int64(templateL2Message[0].Height)),
 			},
-		}
-		err = db.InsertPendingBlocks(context.Background(), []uint64{uint64(blocks[0].Number)})
-		assert.NoError(t, err)
-		err = db.UpdateRollupStatus(context.Background(), uint64(blocks[0].Number), orm.RollupFinalized)
-		assert.NoError(t, err)
-		relayer.ProcessSavedEvents()
-
-		msg, err := db.GetLayer2MessageByNonce(templateLayer2Message[0].Nonce)
-		assert.NoError(t, err)
-		assert.Equal(t, orm.MsgSubmitted, msg.Status)
-
-	})
-
-	t.Run("TestL2RelayerProcessPendingBlocks", func(t *testing.T) {
-		cfg, err := config.NewConfig("../config.json")
-		assert.NoError(t, err)
-		cfg.L2Config.RelayerConfig.SenderConfig.Endpoint = l1Docker.Endpoint()
-
-		client, err := ethclient.Dial(l2Docker.Endpoint())
-		assert.NoError(t, err)
-
-		mock.ClearDB(t, TEST_CONFIG.DB_CONFIG)
-		db := mock.PrepareDB(t, TEST_CONFIG.DB_CONFIG)
-
-		skippedOpcodes := make(map[string]struct{}, len(cfg.L2Config.SkippedOpcodes))
-		for _, op := range cfg.L2Config.SkippedOpcodes {
-			skippedOpcodes[op] = struct{}{}
-		}
-		relayer, err := l2.NewLayer2Relayer(context.Background(), client, cfg.L2Config.ProofGenerationFreq, skippedOpcodes, int64(cfg.L2Config.Confirmations), db, cfg.L2Config.RelayerConfig)
-		assert.NoError(t, err)
-
-		// this blockresult has number of 0x4, need to change it to match the testcase
-		// In this testcase scenario, db will store two blocks with height 0x4 and 0x3
-		var results []*types.BlockResult
-
-		templateBlockResult, err := os.ReadFile("../../common/testdata/blockResult_relayer_parent.json")
-		assert.NoError(t, err)
-		blockResult := &types.BlockResult{}
-		err = json.Unmarshal(templateBlockResult, blockResult)
-		assert.NoError(t, err)
-		results = append(results, blockResult)
-		templateBlockResult, err = os.ReadFile("../../common/testdata/blockResult_relayer.json")
-		assert.NoError(t, err)
-		blockResult = &types.BlockResult{}
-		err = json.Unmarshal(templateBlockResult, blockResult)
-		assert.NoError(t, err)
-		results = append(results, blockResult)
-
-		err = db.InsertBlockResultsWithStatus(context.Background(), results, orm.BlockUnassigned)
-		assert.NoError(t, err)
-
-		blocks := []*orm.RollupResult{
-			{
-				Number:         4,
-				Status:         1,
-				RollupTxHash:   "Rollup Test Hash",
-				FinalizeTxHash: "Finalized Hash",
+		},
+		{
+			Header: &geth_types.Header{
+				Number: big.NewInt(int64(templateL2Message[0].Height + 1)),
 			},
-		}
-		err = db.InsertPendingBlocks(context.Background(), []uint64{uint64(blocks[0].Number)})
+		},
+	}
+	err = db.InsertL2BlockTraces(traces)
+	assert.NoError(t, err)
+
+	dbTx, err := db.Beginx()
+	assert.NoError(t, err)
+	assert.NoError(t, db.NewBatchInDBTx(dbTx, batchData1))
+	batchHash := batchData1.Hash().Hex()
+	assert.NoError(t, db.SetBatchHashForL2BlocksInDBTx(dbTx, []uint64{1}, batchHash))
+	assert.NoError(t, dbTx.Commit())
+
+	err = db.UpdateRollupStatus(context.Background(), batchHash, types.RollupFinalized)
+	assert.NoError(t, err)
+
+	relayer.ProcessSavedEvents()
+
+	msg, err := db.GetL2MessageByNonce(templateL2Message[0].Nonce)
+	assert.NoError(t, err)
+	assert.Equal(t, types.MsgSubmitted, msg.Status)
+}
+
+func testL2RelayerProcessCommittedBatches(t *testing.T) {
+	// Create db handler and reset db.
+	db, err := database.NewOrmFactory(cfg.DBConfig)
+	assert.NoError(t, err)
+	assert.NoError(t, migrate.ResetDB(db.GetDB().DB))
+	defer db.Close()
+
+	l2Cfg := cfg.L2Config
+	relayer, err := NewLayer2Relayer(context.Background(), l2Cli, db, l2Cfg.RelayerConfig)
+	assert.NoError(t, err)
+	defer relayer.Stop()
+
+	dbTx, err := db.Beginx()
+	assert.NoError(t, err)
+	assert.NoError(t, db.NewBatchInDBTx(dbTx, batchData1))
+	batchHash := batchData1.Hash().Hex()
+	err = dbTx.Commit()
+	assert.NoError(t, err)
+
+	err = db.UpdateRollupStatus(context.Background(), batchHash, types.RollupCommitted)
+	assert.NoError(t, err)
+
+	tProof := []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31}
+	tInstanceCommitments := []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31}
+	err = db.UpdateProofByHash(context.Background(), batchHash, tProof, tInstanceCommitments, 100)
+	assert.NoError(t, err)
+	err = db.UpdateProvingStatus(batchHash, types.ProvingTaskVerified)
+	assert.NoError(t, err)
+
+	relayer.ProcessCommittedBatches()
+
+	status, err := db.GetRollupStatus(batchHash)
+	assert.NoError(t, err)
+	assert.Equal(t, types.RollupFinalizing, status)
+}
+
+func testL2RelayerSkipBatches(t *testing.T) {
+	// Create db handler and reset db.
+	db, err := database.NewOrmFactory(cfg.DBConfig)
+	assert.NoError(t, err)
+	assert.NoError(t, migrate.ResetDB(db.GetDB().DB))
+	defer db.Close()
+
+	l2Cfg := cfg.L2Config
+	relayer, err := NewLayer2Relayer(context.Background(), l2Cli, db, l2Cfg.RelayerConfig)
+	assert.NoError(t, err)
+	defer relayer.Stop()
+
+	createBatch := func(rollupStatus types.RollupStatus, provingStatus types.ProvingStatus, index uint64) string {
+		dbTx, err := db.Beginx()
 		assert.NoError(t, err)
-		err = db.UpdateRollupStatus(context.Background(), uint64(blocks[0].Number), orm.RollupPending)
+		batchData := genBatchData(t, index)
+		assert.NoError(t, db.NewBatchInDBTx(dbTx, batchData))
+		batchHash := batchData.Hash().Hex()
+		err = dbTx.Commit()
 		assert.NoError(t, err)
 
-		relayer.ProcessPendingBlocks()
-
-		// Check if Rollup Result is changed successfully
-		status, err := db.GetRollupStatus(uint64(blocks[0].Number))
-		assert.NoError(t, err)
-		assert.Equal(t, orm.RollupCommitting, status)
-	})
-
-	t.Run("TestL2RelayerProcessCommittedBlocks", func(t *testing.T) {
-		cfg, err := config.NewConfig("../config.json")
-		assert.NoError(t, err)
-		cfg.L2Config.RelayerConfig.SenderConfig.Endpoint = l1Docker.Endpoint()
-
-		client, err := ethclient.Dial(l2Docker.Endpoint())
+		err = db.UpdateRollupStatus(context.Background(), batchHash, rollupStatus)
 		assert.NoError(t, err)
 
-		mock.ClearDB(t, TEST_CONFIG.DB_CONFIG)
-		db := mock.PrepareDB(t, TEST_CONFIG.DB_CONFIG)
-
-		skippedOpcodes := make(map[string]struct{}, len(cfg.L2Config.SkippedOpcodes))
-		for _, op := range cfg.L2Config.SkippedOpcodes {
-			skippedOpcodes[op] = struct{}{}
-		}
-		relayer, err := l2.NewLayer2Relayer(context.Background(), client, cfg.L2Config.ProofGenerationFreq, skippedOpcodes, int64(cfg.L2Config.Confirmations), db, cfg.L2Config.RelayerConfig)
-		assert.NoError(t, err)
-
-		templateBlockResult, err := os.ReadFile("../../common/testdata/blockResult_relayer.json")
-		assert.NoError(t, err)
-		blockResult := &types.BlockResult{}
-		err = json.Unmarshal(templateBlockResult, blockResult)
-		assert.NoError(t, err)
-		err = db.InsertBlockResultsWithStatus(context.Background(), []*types.BlockResult{blockResult}, orm.BlockVerified)
-		assert.NoError(t, err)
-
-		blocks := []*orm.RollupResult{
-			{
-				Number:         4,
-				Status:         1,
-				RollupTxHash:   "Rollup Test Hash",
-				FinalizeTxHash: "Finalized Hash",
-			},
-		}
-		err = db.InsertPendingBlocks(context.Background(), []uint64{uint64(blocks[0].Number)})
-		assert.NoError(t, err)
-		err = db.UpdateRollupStatus(context.Background(), uint64(blocks[0].Number), orm.RollupCommitted)
-		assert.NoError(t, err)
 		tProof := []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31}
-		tStateProof := []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 = db.UpdateProofByNumber(context.Background(), uint64(blocks[0].Number), tProof, tStateProof, 100)
+		tInstanceCommitments := []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31}
+		err = db.UpdateProofByHash(context.Background(), batchHash, tProof, tInstanceCommitments, 100)
 		assert.NoError(t, err)
-		relayer.ProcessCommittedBlocks()
-
-		status, err := db.GetRollupStatus(uint64(blocks[0].Number))
+		err = db.UpdateProvingStatus(batchHash, provingStatus)
 		assert.NoError(t, err)
-		assert.Equal(t, orm.RollupFinalizing, status)
-	})
 
-	// Teardown
-	t.Cleanup(func() {
-		assert.NoError(t, l1Docker.Stop())
-		assert.NoError(t, l2Docker.Stop())
-		assert.NoError(t, dbDocker.Stop())
-	})
+		return batchHash
+	}
+
+	skipped := []string{
+		createBatch(types.RollupCommitted, types.ProvingTaskSkipped, 1),
+		createBatch(types.RollupCommitted, types.ProvingTaskFailed, 2),
+	}
+
+	notSkipped := []string{
+		createBatch(types.RollupPending, types.ProvingTaskSkipped, 3),
+		createBatch(types.RollupCommitting, types.ProvingTaskSkipped, 4),
+		createBatch(types.RollupFinalizing, types.ProvingTaskSkipped, 5),
+		createBatch(types.RollupFinalized, types.ProvingTaskSkipped, 6),
+		createBatch(types.RollupPending, types.ProvingTaskFailed, 7),
+		createBatch(types.RollupCommitting, types.ProvingTaskFailed, 8),
+		createBatch(types.RollupFinalizing, types.ProvingTaskFailed, 9),
+		createBatch(types.RollupFinalized, types.ProvingTaskFailed, 10),
+		createBatch(types.RollupCommitted, types.ProvingTaskVerified, 11),
+	}
+
+	relayer.ProcessCommittedBatches()
+
+	for _, id := range skipped {
+		status, err := db.GetRollupStatus(id)
+		assert.NoError(t, err)
+		assert.Equal(t, types.RollupFinalizationSkipped, status)
+	}
+
+	for _, id := range notSkipped {
+		status, err := db.GetRollupStatus(id)
+		assert.NoError(t, err)
+		assert.NotEqual(t, types.RollupFinalizationSkipped, status)
+	}
+}
+
+func genBatchData(t *testing.T, index uint64) *types.BatchData {
+	templateBlockTrace, err := os.ReadFile("../../common/testdata/blockTrace_02.json")
+	assert.NoError(t, err)
+	// unmarshal blockTrace
+	blockTrace := &geth_types.BlockTrace{}
+	err = json.Unmarshal(templateBlockTrace, blockTrace)
+	assert.NoError(t, err)
+	blockTrace.Header.ParentHash = common.HexToHash("0x" + strconv.FormatUint(index+1, 16))
+	parentBatch := &types.BlockBatch{
+		Index: index,
+		Hash:  "0x0000000000000000000000000000000000000000",
+	}
+	return types.NewBatchData(parentBatch, []*geth_types.BlockTrace{blockTrace}, nil)
 }

bridge/l2/watcher.go

@@ -2,33 +2,41 @@ package l2
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"math/big"
+	"reflect"
 	"time"
 
-	"github.com/scroll-tech/go-ethereum"
+	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/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/event"
 	"github.com/scroll-tech/go-ethereum/log"
+	"github.com/scroll-tech/go-ethereum/metrics"
+	"github.com/scroll-tech/go-ethereum/rpc"
+
+	bridge_abi "scroll-tech/bridge/abi"
+	"scroll-tech/bridge/utils"
+
+	"scroll-tech/common/types"
 
 	"scroll-tech/database"
-	"scroll-tech/database/orm"
 )
 
-const (
-	// BufferSize for the BlockResult channel
-	BufferSize = 16
-
-	// BlockResultCacheSize for the latest handled blockresults in memory.
-	BlockResultCacheSize = 64
-
-	// keccak256("SentMessage(address,address,uint256,uint256,uint256,bytes,uint256,uint256)")
-	sentMessageEventSignature = "806b28931bc6fbe6c146babfb83d5c2b47e971edb43b4566f010577a0ee7d9f4"
+// Metrics
+var (
+	bridgeL2MsgSyncHeightGauge = metrics.NewRegisteredGauge("bridge/l2/msg/sync/height", nil)
 )
 
+type relayedMessage struct {
+	msgHash      common.Hash
+	txHash       common.Hash
+	isSuccessful bool
+}
+
 // WatcherClient provide APIs which support others to subscribe to various event from l2geth
 type WatcherClient struct {
 	ctx context.Context
@@ -38,11 +46,13 @@ type WatcherClient struct {
 
 	orm database.OrmFactory
 
-	confirmations       uint64
-	proofGenerationFreq uint64
-	skippedOpcodes      map[string]struct{}
-	messengerAddress    common.Address
-	messengerABI        *abi.ABI
+	confirmations rpc.BlockNumber
+
+	messengerAddress common.Address
+	messengerABI     *abi.ABI
+
+	messageQueueAddress common.Address
+	messageQueueABI     *abi.ABI
 
 	// The height of the block that the watcher has retrieved event logs
 	processedMsgHeight uint64
@@ -52,62 +62,139 @@ type WatcherClient struct {
 }
 
 // NewL2WatcherClient take a l2geth instance to generate a l2watcherclient instance
-func NewL2WatcherClient(ctx context.Context, client *ethclient.Client, confirmations uint64, proofGenFreq uint64, skippedOpcodes map[string]struct{}, messengerAddress common.Address, messengerABI *abi.ABI, orm database.OrmFactory) *WatcherClient {
+func NewL2WatcherClient(ctx context.Context, client *ethclient.Client, confirmations rpc.BlockNumber, messengerAddress, messageQueueAddress common.Address, orm database.OrmFactory) *WatcherClient {
 	savedHeight, err := orm.GetLayer2LatestWatchedHeight()
 	if err != nil {
 		log.Warn("fetch height from db failed", "err", err)
 		savedHeight = 0
 	}
 
-	return &WatcherClient{
-		ctx:                 ctx,
-		Client:              client,
-		orm:                 orm,
-		processedMsgHeight:  uint64(savedHeight),
-		confirmations:       confirmations,
-		proofGenerationFreq: proofGenFreq,
-		skippedOpcodes:      skippedOpcodes,
-		messengerAddress:    messengerAddress,
-		messengerABI:        messengerABI,
-		stopCh:              make(chan struct{}),
-		stopped:             0,
+	w := WatcherClient{
+		ctx:                ctx,
+		Client:             client,
+		orm:                orm,
+		processedMsgHeight: uint64(savedHeight),
+		confirmations:      confirmations,
+
+		messengerAddress: messengerAddress,
+		messengerABI:     bridge_abi.L2ScrollMessengerABI,
+
+		messageQueueAddress: messageQueueAddress,
+		messageQueueABI:     bridge_abi.L2MessageQueueABI,
+
+		stopCh:  make(chan struct{}),
+		stopped: 0,
 	}
+
+	// Initialize genesis before we do anything else
+	if err := w.initializeGenesis(); err != nil {
+		panic(fmt.Sprintf("failed to initialize L2 genesis batch, err: %v", err))
+	}
+
+	return &w
+}
+
+func (w *WatcherClient) initializeGenesis() error {
+	if count, err := w.orm.GetBatchCount(); err != nil {
+		return fmt.Errorf("failed to get batch count: %v", err)
+	} else if count > 0 {
+		log.Info("genesis already imported")
+		return nil
+	}
+
+	genesis, err := w.HeaderByNumber(w.ctx, big.NewInt(0))
+	if err != nil {
+		return fmt.Errorf("failed to retrieve L2 genesis header: %v", err)
+	}
+
+	log.Info("retrieved L2 genesis header", "hash", genesis.Hash().String())
+
+	blockTrace := &geth_types.BlockTrace{
+		Coinbase:         nil,
+		Header:           genesis,
+		Transactions:     []*geth_types.TransactionData{},
+		StorageTrace:     nil,
+		ExecutionResults: []*geth_types.ExecutionResult{},
+		MPTWitness:       nil,
+	}
+
+	batchData := types.NewGenesisBatchData(blockTrace)
+
+	if err = AddBatchInfoToDB(w.orm, batchData); err != nil {
+		log.Error("failed to add batch info to DB", "BatchHash", batchData.Hash(), "error", err)
+		return err
+	}
+
+	batchHash := batchData.Hash().Hex()
+
+	if err = w.orm.UpdateProvingStatus(batchHash, types.ProvingTaskProved); err != nil {
+		return fmt.Errorf("failed to update genesis batch proving status: %v", err)
+	}
+
+	if err = w.orm.UpdateRollupStatus(w.ctx, batchHash, types.RollupFinalized); err != nil {
+		return fmt.Errorf("failed to update genesis batch rollup status: %v", err)
+	}
+
+	log.Info("successfully imported genesis batch")
+
+	return nil
 }
 
 // Start the Listening process
 func (w *WatcherClient) Start() {
 	go func() {
-		if w.orm == nil {
+		if reflect.ValueOf(w.orm).IsNil() {
 			panic("must run L2 watcher with DB")
 		}
 
-		// trigger by timer
-		ticker := time.NewTicker(10 * time.Second)
-		defer ticker.Stop()
+		ctx, cancel := context.WithCancel(w.ctx)
 
-		for {
-			select {
-			case <-ticker.C:
-				// get current height
-				number, err := w.BlockNumber(w.ctx)
-				if err != nil {
-					log.Error("Failed to get_BlockNumber", "err", err)
-					continue
-				}
-				if err = w.tryFetchRunningMissingBlocks(w.ctx, number); err != nil {
-					log.Error("Failed to fetchRunningMissingBlocks", "err", err)
-				}
+		// trace fetcher loop
+		go func(ctx context.Context) {
+			ticker := time.NewTicker(2 * time.Second)
+			defer ticker.Stop()
 
-				// @todo handle error
-				err = w.fetchContractEvent(number)
-				if err != nil {
-					log.Error("Failed to fetchContractEvent", "err", err)
-				}
+			for {
+				select {
+				case <-ctx.Done():
+					return
 
-			case <-w.stopCh:
-				return
+				case <-ticker.C:
+					number, err := utils.GetLatestConfirmedBlockNumber(ctx, w.Client, w.confirmations)
+					if err != nil {
+						log.Error("failed to get block number", "err", err)
+						continue
+					}
+
+					w.tryFetchRunningMissingBlocks(ctx, number)
+				}
 			}
-		}
+		}(ctx)
+
+		// event fetcher loop
+		go func(ctx context.Context) {
+			ticker := time.NewTicker(2 * time.Second)
+			defer ticker.Stop()
+
+			for {
+				select {
+				case <-ctx.Done():
+					return
+
+				case <-ticker.C:
+					number, err := utils.GetLatestConfirmedBlockNumber(ctx, w.Client, w.confirmations)
+					if err != nil {
+						log.Error("failed to get block number", "err", err)
+						continue
+					}
+
+					w.FetchContractEvent(number)
+				}
+			}
+		}(ctx)
+
+		<-w.stopCh
+		cancel()
 	}()
 }
 
@@ -116,150 +203,229 @@ func (w *WatcherClient) Stop() {
 	w.stopCh <- struct{}{}
 }
 
+const blockTracesFetchLimit = uint64(10)
+
 // try fetch missing blocks if inconsistent
-func (w *WatcherClient) tryFetchRunningMissingBlocks(ctx context.Context, backTrackFrom uint64) error {
+func (w *WatcherClient) tryFetchRunningMissingBlocks(ctx context.Context, blockHeight uint64) {
 	// Get newest block in DB. must have blocks at that time.
-	// Don't use "block_result" table "content" column's BlockTrace.Number,
+	// Don't use "block_trace" table "trace" column's BlockTrace.Number,
 	// because it might be empty if the corresponding rollup_result is finalized/finalization_skipped
-	heightInDB, err := w.orm.GetBlockResultsLatestHeight()
+	heightInDB, err := w.orm.GetL2BlockTracesLatestHeight()
 	if err != nil {
-		return fmt.Errorf("Failed to GetBlockResults in DB: %v", err)
+		log.Error("failed to GetL2BlockTracesLatestHeight", "err", err)
+		return
 	}
-	backTrackTo := uint64(0)
+
+	// Can't get trace from genesis block, so the default start number is 1.
+	var from = uint64(1)
 	if heightInDB > 0 {
-		backTrackTo = uint64(heightInDB)
+		from = uint64(heightInDB) + 1
 	}
 
-	// start backtracking
-	heights := []uint64{}
-	toSkipped := []*types.BlockResult{}
-	toUnassigned := []*types.BlockResult{}
+	for ; from <= blockHeight; from += blockTracesFetchLimit {
+		to := from + blockTracesFetchLimit - 1
 
-	var (
-		header *types.Header
-		trace  *types.BlockResult
-	)
-	for number := backTrackFrom; number > backTrackTo; number-- {
-		header, err = w.HeaderByNumber(ctx, big.NewInt(int64(number)))
-		if err != nil {
-			return fmt.Errorf("Failed to get HeaderByNumber: %v. number: %v", err, number)
+		if to > blockHeight {
+			to = blockHeight
 		}
-		trace, err = w.GetBlockResultByHash(ctx, header.Hash())
-		if err != nil {
-			return fmt.Errorf("Failed to GetBlockResultByHash: %v. number: %v", err, number)
-		}
-		log.Info("Retrieved block result", "height", header.Number, "hash", header.Hash())
 
-		heights = append(heights, number)
-		if number%w.proofGenerationFreq != 0 {
-			toSkipped = append(toSkipped, trace)
-		} else if TraceHasUnsupportedOpcodes(w.skippedOpcodes, trace) {
-			toSkipped = append(toSkipped, trace)
-		} else {
-			toUnassigned = append(toUnassigned, trace)
+		// Get block traces and insert into db.
+		if err = w.getAndStoreBlockTraces(ctx, from, to); err != nil {
+			log.Error("fail to getAndStoreBlockTraces", "from", from, "to", to, "err", err)
+			return
+		}
+	}
+}
+
+func (w *WatcherClient) getAndStoreBlockTraces(ctx context.Context, from, to uint64) error {
+	var traces []*geth_types.BlockTrace
+
+	for number := from; number <= to; number++ {
+		log.Debug("retrieving block trace", "height", number)
+		trace, err2 := w.GetBlockTraceByNumber(ctx, big.NewInt(int64(number)))
+		if err2 != nil {
+			return fmt.Errorf("failed to GetBlockResultByHash: %v. number: %v", err2, number)
+		}
+		log.Info("retrieved block trace", "height", trace.Header.Number, "hash", trace.Header.Hash().String())
+
+		traces = append(traces, trace)
+
+	}
+	if len(traces) > 0 {
+		if err := w.orm.InsertL2BlockTraces(traces); err != nil {
+			return fmt.Errorf("failed to batch insert BlockTraces: %v", err)
 		}
 	}
 
-	if len(heights) > 0 {
-		if err = w.orm.InsertPendingBlocks(ctx, heights); err != nil {
-			return fmt.Errorf("Failed to batch insert PendingBlocks: %v", err)
-		}
-	}
-	if len(toSkipped) > 0 {
-		if err = w.orm.InsertBlockResultsWithStatus(ctx, toSkipped, orm.BlockSkipped); err != nil {
-			return fmt.Errorf("failed to batch insert PendingBlocks: %v", err)
-		}
-	}
-	if len(toUnassigned) > 0 {
-		if err = w.orm.InsertBlockResultsWithStatus(ctx, toUnassigned, orm.BlockUnassigned); err != nil {
-			return fmt.Errorf("failed to batch insert PendingBlocks: %v", err)
-		}
-	}
 	return nil
 }
 
+const contractEventsBlocksFetchLimit = int64(10)
+
 // FetchContractEvent pull latest event logs from given contract address and save in DB
-func (w *WatcherClient) fetchContractEvent(blockHeight uint64) error {
+func (w *WatcherClient) FetchContractEvent(blockHeight uint64) {
+	defer func() {
+		log.Info("l2 watcher fetchContractEvent", "w.processedMsgHeight", w.processedMsgHeight)
+	}()
+
 	fromBlock := int64(w.processedMsgHeight) + 1
-	toBlock := int64(blockHeight) - int64(w.confirmations)
+	toBlock := int64(blockHeight)
 
-	if toBlock < fromBlock {
-		return nil
-	}
+	for from := fromBlock; from <= toBlock; from += contractEventsBlocksFetchLimit {
+		to := from + contractEventsBlocksFetchLimit - 1
 
-	// warning: uint int conversion...
-	query := ethereum.FilterQuery{
-		FromBlock: big.NewInt(fromBlock), // inclusive
-		ToBlock:   big.NewInt(toBlock),   // inclusive
-		Addresses: []common.Address{
-			w.messengerAddress,
-		},
-		Topics: make([][]common.Hash, 1),
-	}
-	query.Topics[0] = make([]common.Hash, 1)
-	query.Topics[0][0] = common.HexToHash(sentMessageEventSignature)
+		if to > toBlock {
+			to = toBlock
+		}
 
-	logs, err := w.FilterLogs(w.ctx, query)
-	if err != nil {
-		log.Error("Failed to get event logs", "err", err)
-		return err
-	}
-	if len(logs) == 0 {
-		return nil
-	}
-	log.Info("Received new L2 messages", "fromBlock", fromBlock, "toBlock", toBlock,
-		"cnt", len(logs))
+		// 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] = bridge_abi.L2SentMessageEventSignature
+		query.Topics[0][1] = bridge_abi.L2RelayedMessageEventSignature
+		query.Topics[0][2] = bridge_abi.L2FailedRelayedMessageEventSignature
+		query.Topics[0][3] = bridge_abi.L2AppendMessageEventSignature
 
-	eventLogs, err := parseBridgeEventLogs(logs, w.messengerABI)
-	if err != nil {
-		log.Error("Failed to parse emitted event log", "err", err)
-		return err
-	}
+		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)
+			bridgeL2MsgSyncHeightGauge.Update(to)
+			continue
+		}
+		log.Info("received new L2 messages", "fromBlock", from, "toBlock", to, "cnt", len(logs))
 
-	err = w.orm.SaveLayer2Messages(w.ctx, eventLogs)
-	if err == nil {
-		w.processedMsgHeight = uint64(toBlock)
+		sentMessageEvents, relayedMessageEvents, err := w.parseBridgeEventLogs(logs)
+		if err != nil {
+			log.Error("failed to parse emitted event log", "err", err)
+			return
+		}
+
+		// 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.orm.UpdateLayer1StatusAndLayer2Hash(w.ctx, msg.msgHash.String(), msgStatus, msg.txHash.String()); err != nil {
+				log.Error("Failed to update layer1 status and layer2 hash", "err", err)
+				return
+			}
+		}
+
+		if err = w.orm.SaveL2Messages(w.ctx, sentMessageEvents); err != nil {
+			log.Error("failed to save l2 messages", "err", err)
+			return
+		}
+
+		w.processedMsgHeight = uint64(to)
+		bridgeL2MsgSyncHeightGauge.Update(to)
 	}
-	return err
 }
 
-func parseBridgeEventLogs(logs []types.Log, messengerABI *abi.ABI) ([]*orm.Layer2Message, error) {
+func (w *WatcherClient) parseBridgeEventLogs(logs []geth_types.Log) ([]*types.L2Message, []relayedMessage, error) {
 	// Need use contract abi to parse event Log
 	// Can only be tested after we have our contracts set up
 
-	var parsedlogs []*orm.Layer2Message
+	var l2Messages []*types.L2Message
+	var relayedMessages []relayedMessage
+	var lastAppendMsgHash common.Hash
+	var lastAppendMsgNonce uint64
 	for _, vLog := range logs {
-		event := struct {
-			Target       common.Address
-			Sender       common.Address
-			Value        *big.Int // uint256
-			Fee          *big.Int // uint256
-			Deadline     *big.Int // uint256
-			Message      []byte
-			MessageNonce *big.Int // uint256
-			GasLimit     *big.Int // uint256
-		}{}
+		switch vLog.Topics[0] {
+		case bridge_abi.L2SentMessageEventSignature:
+			event := bridge_abi.L2SentMessageEvent{}
+			err := utils.UnpackLog(w.messengerABI, &event, "SentMessage", vLog)
+			if err != nil {
+				log.Error("failed to unpack layer2 SentMessage event", "err", err)
+				return l2Messages, relayedMessages, err
+			}
 
-		err := messengerABI.UnpackIntoInterface(&event, "SentMessage", vLog.Data)
-		if err != nil {
-			log.Error("Failed to unpack layer2 SentMessage event", "err", err)
-			return parsedlogs, err
+			computedMsgHash := utils.ComputeMessageHash(
+				event.Sender,
+				event.Target,
+				event.Value,
+				event.MessageNonce,
+				event.Message,
+			)
+
+			// `AppendMessage` event is always emitted before `SentMessage` event
+			// So they should always match, just double check
+			if event.MessageNonce.Uint64() != lastAppendMsgNonce {
+				errMsg := fmt.Sprintf("l2 message nonces mismatch: AppendMessage.nonce=%v, SentMessage.nonce=%v, tx_hash=%v",
+					lastAppendMsgNonce, event.MessageNonce.Uint64(), vLog.TxHash.Hex())
+				return l2Messages, relayedMessages, errors.New(errMsg)
+			}
+			if computedMsgHash != lastAppendMsgHash {
+				errMsg := fmt.Sprintf("l2 message hashes mismatch: AppendMessage.msg_hash=%v, SentMessage.msg_hash=%v, tx_hash=%v",
+					lastAppendMsgHash.Hex(), computedMsgHash.Hex(), vLog.TxHash.Hex())
+				return l2Messages, relayedMessages, errors.New(errMsg)
+			}
+
+			l2Messages = append(l2Messages, &types.L2Message{
+				Nonce:      event.MessageNonce.Uint64(),
+				MsgHash:    computedMsgHash.String(),
+				Height:     vLog.BlockNumber,
+				Sender:     event.Sender.String(),
+				Value:      event.Value.String(),
+				Target:     event.Target.String(),
+				Calldata:   common.Bytes2Hex(event.Message),
+				Layer2Hash: vLog.TxHash.Hex(),
+			})
+		case bridge_abi.L2RelayedMessageEventSignature:
+			event := bridge_abi.L2RelayedMessageEvent{}
+			err := utils.UnpackLog(w.messengerABI, &event, "RelayedMessage", vLog)
+			if err != nil {
+				log.Warn("Failed to unpack layer2 RelayedMessage event", "err", err)
+				return l2Messages, relayedMessages, err
+			}
+
+			relayedMessages = append(relayedMessages, relayedMessage{
+				msgHash:      event.MessageHash,
+				txHash:       vLog.TxHash,
+				isSuccessful: true,
+			})
+		case bridge_abi.L2FailedRelayedMessageEventSignature:
+			event := bridge_abi.L2FailedRelayedMessageEvent{}
+			err := utils.UnpackLog(w.messengerABI, &event, "FailedRelayedMessage", vLog)
+			if err != nil {
+				log.Warn("Failed to unpack layer2 FailedRelayedMessage event", "err", err)
+				return l2Messages, relayedMessages, err
+			}
+
+			relayedMessages = append(relayedMessages, relayedMessage{
+				msgHash:      event.MessageHash,
+				txHash:       vLog.TxHash,
+				isSuccessful: false,
+			})
+		case bridge_abi.L2AppendMessageEventSignature:
+			event := bridge_abi.L2AppendMessageEvent{}
+			err := utils.UnpackLog(w.messageQueueABI, &event, "AppendMessage", vLog)
+			if err != nil {
+				log.Warn("Failed to unpack layer2 AppendMessage event", "err", err)
+				return l2Messages, relayedMessages, err
+			}
+
+			lastAppendMsgHash = event.MessageHash
+			lastAppendMsgNonce = event.Index.Uint64()
+		default:
+			log.Error("Unknown event", "topic", vLog.Topics[0], "txHash", vLog.TxHash)
 		}
-		// target is in topics[1]
-		event.Target = common.HexToAddress(vLog.Topics[1].String())
-		parsedlogs = append(parsedlogs, &orm.Layer2Message{
-			Nonce:      event.MessageNonce.Uint64(),
-			Height:     vLog.BlockNumber,
-			Sender:     event.Sender.String(),
-			Value:      event.Value.String(),
-			Fee:        event.Fee.String(),
-			GasLimit:   event.GasLimit.Uint64(),
-			Deadline:   event.Deadline.Uint64(),
-			Target:     event.Target.String(),
-			Calldata:   common.Bytes2Hex(event.Message),
-			Layer2Hash: vLog.TxHash.Hex(),
-		})
 	}
 
-	return parsedlogs, nil
+	return l2Messages, relayedMessages, nil
 }

bridge/l2/watcher_api.go

@@ -1,33 +1,5 @@
 package l2
 
-import (
-	"errors"
-
-	"github.com/scroll-tech/go-ethereum/rpc"
-)
-
 // WatcherAPI watcher api service
 type WatcherAPI interface {
-	ReplayBlockResultByHash(blockNrOrHash rpc.BlockNumberOrHash) (bool, error)
-}
-
-// ReplayBlockResultByHash temporary interface for easy testing.
-func (r *WatcherClient) ReplayBlockResultByHash(blockNrOrHash rpc.BlockNumberOrHash) (bool, error) {
-	orm := r.orm
-	params := make(map[string]interface{})
-	if number, ok := blockNrOrHash.Number(); ok {
-		params["number"] = int64(number)
-	}
-	if hash, ok := blockNrOrHash.Hash(); ok {
-		params["hash"] = hash.String()
-	}
-	if len(params) == 0 {
-		return false, errors.New("empty params")
-	}
-	trace, err := orm.GetBlockResults(params)
-	if err != nil {
-		return false, err
-	}
-	r.Send(&trace[0])
-	return true, nil
 }

bridge/l2/watcher_test.go

@@ -1,319 +1,211 @@
-package l2_test
+package l2
 
 import (
 	"context"
 	"crypto/ecdsa"
-	"encoding/json"
 	"math/big"
-	"os"
+	"strconv"
 	"testing"
 	"time"
 
-	"github.com/stretchr/testify/assert"
-
 	"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"
+	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/stretchr/testify/assert"
 
-	bridge_abi "scroll-tech/bridge/abi"
-	"scroll-tech/bridge/l2"
+	"scroll-tech/common/types"
 
-	"scroll-tech/common/docker"
-	"scroll-tech/common/utils"
+	"scroll-tech/bridge/mock_bridge"
+	"scroll-tech/bridge/sender"
 
 	"scroll-tech/database"
-
-	db_config "scroll-tech/database"
-
-	"scroll-tech/bridge/config"
-	"scroll-tech/bridge/mock"
-	"scroll-tech/bridge/mock_bridge"
+	"scroll-tech/database/migrate"
 )
 
-const TEST_BUFFER = 500
-
-var TEST_CONFIG = &mock.TestConfig{
-	L1GethTestConfig: mock.L1GethTestConfig{
-		HPort: 0,
-		WPort: 8571,
-	},
-	L2GethTestConfig: mock.L2GethTestConfig{
-		HPort: 0,
-		WPort: 8567,
-	},
-	DbTestconfig: mock.DbTestconfig{
-		DbName: "testwatcher_db",
-		DbPort: 5438,
-		DB_CONFIG: &db_config.DBConfig{
-			DriverName: utils.GetEnvWithDefault("TEST_DB_DRIVER", "postgres"),
-			DSN:        utils.GetEnvWithDefault("TEST_DB_DSN", "postgres://postgres:123456@localhost:5438/testwatcher_db?sslmode=disable"),
-		},
-	},
-}
-
-var (
-	// previousHeight store previous chain height
-	previousHeight uint64
-	l1gethImg      docker.ImgInstance
-	l2gethImg      docker.ImgInstance
-	dbImg          docker.ImgInstance
-	l2Backend      *l2.Backend
-)
-
-func setenv(t *testing.T) {
-	cfg, err := config.NewConfig("../config.json")
+func testCreateNewWatcherAndStop(t *testing.T) {
+	// Create db handler and reset db.
+	l2db, err := database.NewOrmFactory(cfg.DBConfig)
 	assert.NoError(t, err)
-	l1gethImg = mock.NewTestL1Docker(t, TEST_CONFIG)
-	cfg.L2Config.RelayerConfig.SenderConfig.Endpoint = l1gethImg.Endpoint()
-	l2Backend, l2gethImg, dbImg = mock.L2gethDocker(t, cfg, TEST_CONFIG)
-}
+	assert.NoError(t, migrate.ResetDB(l2db.GetDB().DB))
+	defer l2db.Close()
 
-func TestWatcherFunction(t *testing.T) {
-	setenv(t)
-	t.Run("TestL2Backend", func(t *testing.T) {
-		err := l2Backend.Start()
-		assert.NoError(t, err)
-		l2Backend.Stop()
-	})
-	t.Run("TestCreateNewWatcherAndStop", func(t *testing.T) {
-		cfg, err := config.NewConfig("../config.json")
-		assert.NoError(t, err)
+	l2cfg := cfg.L2Config
+	rc := NewL2WatcherClient(context.Background(), l2Cli, l2cfg.Confirmations, l2cfg.L2MessengerAddress, l2cfg.L2MessageQueueAddress, l2db)
+	rc.Start()
+	defer rc.Stop()
 
-		cfg.L2Config.Endpoint = l2gethImg.Endpoint()
-		client, err := ethclient.Dial(cfg.L2Config.Endpoint)
-		assert.NoError(t, err)
-		mock.ClearDB(t, TEST_CONFIG.DB_CONFIG)
-
-		messengerABI, err := bridge_abi.L2MessengerMetaData.GetAbi()
-		assert.NoError(t, err)
-
-		l2db := mock.PrepareDB(t, TEST_CONFIG.DB_CONFIG)
-
-		skippedOpcodes := make(map[string]struct{}, len(cfg.L2Config.SkippedOpcodes))
-		for _, op := range cfg.L2Config.SkippedOpcodes {
-			skippedOpcodes[op] = struct{}{}
-		}
-		proofGenerationFreq := cfg.L2Config.ProofGenerationFreq
-		if proofGenerationFreq == 0 {
-			proofGenerationFreq = 1
-		}
-		rc := l2.NewL2WatcherClient(context.Background(), client, cfg.L2Config.Confirmations, proofGenerationFreq, skippedOpcodes, cfg.L2Config.L2MessengerAddress, messengerABI, l2db)
-		rc.Start()
-
-		// Create several transactions and commit to block
-		numTransactions := 3
-
-		for i := 0; i < numTransactions; i++ {
-			tx := mock.SendTxToL2Client(t, client, cfg.L2Config.RelayerConfig.PrivateKey)
-			// wait for mining
-			_, err = bind.WaitMined(context.Background(), client, tx)
-			assert.NoError(t, err)
-		}
-
-		<-time.After(10 * time.Second)
-		blockNum, err := client.BlockNumber(context.Background())
-		assert.NoError(t, err)
-		assert.GreaterOrEqual(t, blockNum, uint64(numTransactions))
-
-		rc.Stop()
-		l2db.Close()
-	})
-
-	t.Run("TestMonitorBridgeContract", func(t *testing.T) {
-		cfg, err := config.NewConfig("../config.json")
-		assert.NoError(t, err)
-		t.Log("confirmations:", cfg.L2Config.Confirmations)
-
-		cfg.L2Config.Endpoint = l2gethImg.Endpoint()
-		client, err := ethclient.Dial(cfg.L2Config.Endpoint)
-		assert.NoError(t, err)
-
-		mock.ClearDB(t, TEST_CONFIG.DB_CONFIG)
-		previousHeight, err = client.BlockNumber(context.Background())
-		assert.NoError(t, err)
-
-		auth := prepareAuth(t, client, cfg.L2Config.RelayerConfig.PrivateKey)
-
-		// deploy mock bridge
-		_, tx, instance, err := mock_bridge.DeployMockBridge(auth, client)
-		assert.NoError(t, err)
-		address, err := bind.WaitDeployed(context.Background(), client, tx)
-		assert.NoError(t, err)
-
-		db := mock.PrepareDB(t, TEST_CONFIG.DB_CONFIG)
-		rc := prepareRelayerClient(client, db, address)
-		rc.Start()
-
-		// Call mock_bridge instance sendMessage to trigger emit events
-		addr := common.HexToAddress("0x1c5a77d9fa7ef466951b2f01f724bca3a5820b63")
-		nonce, err := client.PendingNonceAt(context.Background(), addr)
-		assert.NoError(t, err)
-		auth.Nonce = big.NewInt(int64(nonce))
-		toAddress := common.HexToAddress("0x4592d8f8d7b001e72cb26a73e4fa1806a51ac79d")
-		message := []byte("testbridgecontract")
-		tx, err = instance.SendMessage(auth, toAddress, message, auth.GasPrice)
-		assert.NoError(t, err)
-		receipt, err := bind.WaitMined(context.Background(), client, tx)
-		if receipt.Status != types.ReceiptStatusSuccessful || err != nil {
-			t.Fatalf("Call failed")
-		}
-
-		//extra block mined
-		addr = common.HexToAddress("0x1c5a77d9fa7ef466951b2f01f724bca3a5820b63")
-		nonce, nounceErr := client.PendingNonceAt(context.Background(), addr)
-		assert.NoError(t, nounceErr)
-		auth.Nonce = big.NewInt(int64(nonce))
-		toAddress = common.HexToAddress("0x4592d8f8d7b001e72cb26a73e4fa1806a51ac79d")
-		message = []byte("testbridgecontract")
-		tx, err = instance.SendMessage(auth, toAddress, message, auth.GasPrice)
-		assert.NoError(t, err)
-		receipt, err = bind.WaitMined(context.Background(), client, tx)
-		if receipt.Status != types.ReceiptStatusSuccessful || err != nil {
-			t.Fatalf("Call failed")
-		}
-
-		// wait for dealing time
-		<-time.After(6 * time.Second)
-
-		var latestHeight uint64
-		latestHeight, err = client.BlockNumber(context.Background())
-		assert.NoError(t, err)
-		t.Log("Latest height is", latestHeight)
-
-		// check if we successfully stored events
-		height, err := db.GetLayer2LatestWatchedHeight()
-		assert.NoError(t, err)
-		t.Log("Height in DB is", height)
-		assert.Greater(t, height, int64(previousHeight))
-		msgs, err := db.GetL2UnprocessedMessages()
-		assert.NoError(t, err)
-		assert.Equal(t, 2, len(msgs))
-
-		rc.Stop()
-		db.Close()
-	})
-
-	t.Run("TestFetchMultipleSentMessageInOneBlock", func(t *testing.T) {
-		cfg, err := config.NewConfig("../config.json")
-		assert.NoError(t, err)
-
-		cfg.L2Config.Endpoint = l2gethImg.Endpoint()
-		client, err := ethclient.Dial(cfg.L2Config.Endpoint)
-		assert.NoError(t, err)
-
-		mock.ClearDB(t, TEST_CONFIG.DB_CONFIG)
-
-		previousHeight, err := client.BlockNumber(context.Background()) // shallow the global previousHeight
-		assert.NoError(t, err)
-
-		auth := prepareAuth(t, client, cfg.L2Config.RelayerConfig.PrivateKey)
-
-		_, trx, instance, err := mock_bridge.DeployMockBridge(auth, client)
-		assert.NoError(t, err)
-		address, err := bind.WaitDeployed(context.Background(), client, trx)
-		assert.NoError(t, err)
-
-		db := mock.PrepareDB(t, TEST_CONFIG.DB_CONFIG)
-		rc := prepareRelayerClient(client, db, address)
-		rc.Start()
-
-		// Call mock_bridge instance sendMessage to trigger emit events multiple times
-		numTransactions := 4
-		var tx *types.Transaction
-
-		for i := 0; i < numTransactions; i++ {
-			addr := common.HexToAddress("0x1c5a77d9fa7ef466951b2f01f724bca3a5820b63")
-			nonce, nounceErr := client.PendingNonceAt(context.Background(), addr)
-			assert.NoError(t, nounceErr)
-			auth.Nonce = big.NewInt(int64(nonce))
-			toAddress := common.HexToAddress("0x4592d8f8d7b001e72cb26a73e4fa1806a51ac79d")
-			message := []byte("testbridgecontract")
-			tx, err = instance.SendMessage(auth, toAddress, message, auth.GasPrice)
-			assert.NoError(t, err)
-		}
-
-		receipt, err := bind.WaitMined(context.Background(), client, tx)
-		if receipt.Status != types.ReceiptStatusSuccessful || err != nil {
-			t.Fatalf("Call failed")
-		}
-
-		// extra block mined
-		addr := common.HexToAddress("0x1c5a77d9fa7ef466951b2f01f724bca3a5820b63")
-		nonce, nounceErr := client.PendingNonceAt(context.Background(), addr)
-		assert.NoError(t, nounceErr)
-		auth.Nonce = big.NewInt(int64(nonce))
-		toAddress := common.HexToAddress("0x4592d8f8d7b001e72cb26a73e4fa1806a51ac79d")
-		message := []byte("testbridgecontract")
-		tx, err = instance.SendMessage(auth, toAddress, message, auth.GasPrice)
-		assert.NoError(t, err)
-		receipt, err = bind.WaitMined(context.Background(), client, tx)
-		if receipt.Status != types.ReceiptStatusSuccessful || err != nil {
-			t.Fatalf("Call failed")
-		}
-
-		// wait for dealing time
-		<-time.After(6 * time.Second)
-
-		// check if we successfully stored events
-		height, err := db.GetLayer2LatestWatchedHeight()
-		assert.NoError(t, err)
-		t.Log("LatestHeight is", height)
-		assert.Greater(t, height, int64(previousHeight)) // height must be greater than previousHeight because confirmations is 0
-		msgs, err := db.GetL2UnprocessedMessages()
-		assert.NoError(t, err)
-		assert.Equal(t, 5, len(msgs))
-
-		rc.Stop()
-		db.Close()
-	})
-
-	// Teardown
-	t.Cleanup(func() {
-		assert.NoError(t, l1gethImg.Stop())
-		assert.NoError(t, l2gethImg.Stop())
-		assert.NoError(t, dbImg.Stop())
-	})
-
-}
-
-func TestTraceHasUnsupportedOpcodes(t *testing.T) {
-	cfg, err := config.NewConfig("../config.json")
+	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)
 
-	delegateTrace, err := os.ReadFile("../../common/testdata/blockResult_delegate.json")
-	assert.NoError(t, err)
-
-	trace := &types.BlockResult{}
-	assert.NoError(t, json.Unmarshal(delegateTrace, &trace))
-
-	unsupportedOpcodes := make(map[string]struct{})
-	for _, val := range cfg.L2Config.SkippedOpcodes {
-		unsupportedOpcodes[val] = struct{}{}
+	// 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)
+		assert.NoError(t, err)
+		<-newSender.ConfirmChan()
 	}
+
+	blockNum, err := l2Cli.BlockNumber(context.Background())
+	assert.NoError(t, err)
+	assert.GreaterOrEqual(t, blockNum, uint64(numTransactions))
 }
 
-func prepareRelayerClient(client *ethclient.Client, db database.OrmFactory, contractAddr common.Address) *l2.WatcherClient {
-	messengerABI, _ := bridge_abi.L1MessengerMetaData.GetAbi()
-	return l2.NewL2WatcherClient(context.Background(), client, 0, 1, map[string]struct{}{}, contractAddr, messengerABI, db)
+func testMonitorBridgeContract(t *testing.T) {
+	// Create db handler and reset db.
+	db, err := database.NewOrmFactory(cfg.DBConfig)
+	assert.NoError(t, err)
+	assert.NoError(t, migrate.ResetDB(db.GetDB().DB))
+	defer db.Close()
+
+	l2cfg := cfg.L2Config
+	wc := NewL2WatcherClient(context.Background(), l2Cli, l2cfg.Confirmations, l2cfg.L2MessengerAddress, l2cfg.L2MessageQueueAddress, db)
+	wc.Start()
+	defer wc.Stop()
+
+	previousHeight, err := l2Cli.BlockNumber(context.Background())
+	assert.NoError(t, err)
+
+	auth := prepareAuth(t, l2Cli, cfg.L2Config.RelayerConfig.MessageSenderPrivateKeys[0])
+
+	// deploy mock bridge
+	_, tx, instance, err := mock_bridge.DeployMockBridgeL2(auth, l2Cli)
+	assert.NoError(t, err)
+	address, err := bind.WaitDeployed(context.Background(), l2Cli, tx)
+	assert.NoError(t, err)
+
+	rc := prepareWatcherClient(l2Cli, db, address)
+	rc.Start()
+	defer rc.Stop()
+
+	// Call mock_bridge instance sendMessage to trigger emit events
+	toAddress := common.HexToAddress("0x4592d8f8d7b001e72cb26a73e4fa1806a51ac79d")
+	message := []byte("testbridgecontract")
+	fee := big.NewInt(0)
+	gasLimit := big.NewInt(1)
+
+	tx, err = instance.SendMessage(auth, toAddress, fee, message, gasLimit)
+	assert.NoError(t, err)
+	receipt, err := bind.WaitMined(context.Background(), l2Cli, tx)
+	if receipt.Status != geth_types.ReceiptStatusSuccessful || err != nil {
+		t.Fatalf("Call failed")
+	}
+
+	// extra block mined
+	toAddress = common.HexToAddress("0x4592d8f8d7b001e72cb26a73e4fa1806a51ac79d")
+	message = []byte("testbridgecontract")
+	tx, err = instance.SendMessage(auth, toAddress, fee, message, gasLimit)
+	assert.NoError(t, err)
+	receipt, err = bind.WaitMined(context.Background(), l2Cli, tx)
+	if receipt.Status != geth_types.ReceiptStatusSuccessful || err != nil {
+		t.Fatalf("Call failed")
+	}
+
+	// wait for dealing time
+	<-time.After(6 * time.Second)
+
+	var latestHeight uint64
+	latestHeight, err = l2Cli.BlockNumber(context.Background())
+	assert.NoError(t, err)
+	t.Log("Latest height is", latestHeight)
+
+	// check if we successfully stored events
+	height, err := db.GetLayer2LatestWatchedHeight()
+	assert.NoError(t, err)
+	t.Log("Height in DB is", height)
+	assert.Greater(t, height, int64(previousHeight))
+	msgs, err := db.GetL2Messages(map[string]interface{}{"status": types.MsgPending})
+	assert.NoError(t, err)
+	assert.Equal(t, 2, len(msgs))
 }
 
-func prepareAuth(t *testing.T, client *ethclient.Client, private string) *bind.TransactOpts {
-	privateKey, err := crypto.HexToECDSA(private)
+func testFetchMultipleSentMessageInOneBlock(t *testing.T) {
+	// Create db handler and reset db.
+	db, err := database.NewOrmFactory(cfg.DBConfig)
 	assert.NoError(t, err)
-	publicKey := privateKey.Public()
-	publicKeyECDSA, ok := publicKey.(*ecdsa.PublicKey)
-	assert.True(t, ok)
-	fromAddress := crypto.PubkeyToAddress(*publicKeyECDSA)
-	nonce, err := client.PendingNonceAt(context.Background(), fromAddress)
+	assert.NoError(t, migrate.ResetDB(db.GetDB().DB))
+	defer db.Close()
+
+	previousHeight, err := l2Cli.BlockNumber(context.Background()) // shallow the global previousHeight
 	assert.NoError(t, err)
+
+	auth := prepareAuth(t, l2Cli, cfg.L2Config.RelayerConfig.MessageSenderPrivateKeys[0])
+
+	_, trx, instance, err := mock_bridge.DeployMockBridgeL2(auth, l2Cli)
+	assert.NoError(t, err)
+	address, err := bind.WaitDeployed(context.Background(), l2Cli, trx)
+	assert.NoError(t, err)
+
+	rc := prepareWatcherClient(l2Cli, db, address)
+	rc.Start()
+	defer rc.Stop()
+
+	// Call mock_bridge instance sendMessage to trigger emit events multiple times
+	numTransactions := 4
+	var tx *geth_types.Transaction
+
+	for i := 0; i < numTransactions; i++ {
+		addr := common.HexToAddress("0x1c5a77d9fa7ef466951b2f01f724bca3a5820b63")
+		nonce, nounceErr := l2Cli.PendingNonceAt(context.Background(), addr)
+		assert.NoError(t, nounceErr)
+		auth.Nonce = big.NewInt(int64(nonce))
+		toAddress := common.HexToAddress("0x4592d8f8d7b001e72cb26a73e4fa1806a51ac79d")
+		message := []byte("testbridgecontract")
+		fee := big.NewInt(0)
+		gasLimit := big.NewInt(1)
+		tx, err = instance.SendMessage(auth, toAddress, fee, message, gasLimit)
+		assert.NoError(t, err)
+	}
+
+	receipt, err := bind.WaitMined(context.Background(), l2Cli, tx)
+	if receipt.Status != geth_types.ReceiptStatusSuccessful || err != nil {
+		t.Fatalf("Call failed")
+	}
+
+	// extra block mined
+	addr := common.HexToAddress("0x1c5a77d9fa7ef466951b2f01f724bca3a5820b63")
+	nonce, nounceErr := l2Cli.PendingNonceAt(context.Background(), addr)
+	assert.NoError(t, nounceErr)
+	auth.Nonce = big.NewInt(int64(nonce))
+	toAddress := common.HexToAddress("0x4592d8f8d7b001e72cb26a73e4fa1806a51ac79d")
+	message := []byte("testbridgecontract")
+	fee := big.NewInt(0)
+	gasLimit := big.NewInt(1)
+	tx, err = instance.SendMessage(auth, toAddress, fee, message, gasLimit)
+	assert.NoError(t, err)
+	receipt, err = bind.WaitMined(context.Background(), l2Cli, tx)
+	if receipt.Status != geth_types.ReceiptStatusSuccessful || err != nil {
+		t.Fatalf("Call failed")
+	}
+
+	// wait for dealing time
+	<-time.After(6 * time.Second)
+
+	// check if we successfully stored events
+	height, err := db.GetLayer2LatestWatchedHeight()
+	assert.NoError(t, err)
+	t.Log("LatestHeight is", height)
+	assert.Greater(t, height, int64(previousHeight)) // height must be greater than previousHeight because confirmations is 0
+	msgs, err := db.GetL2Messages(map[string]interface{}{"status": types.MsgPending})
+	assert.NoError(t, err)
+	assert.Equal(t, 5, len(msgs))
+}
+
+func prepareWatcherClient(l2Cli *ethclient.Client, db database.OrmFactory, contractAddr common.Address) *WatcherClient {
+	confirmations := rpc.LatestBlockNumber
+	return NewL2WatcherClient(context.Background(), l2Cli, confirmations, contractAddr, contractAddr, 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.Nonce = big.NewInt(int64(nonce))
-	auth.Value = big.NewInt(0)       // in wei
-	auth.GasLimit = uint64(30000000) // in units
-	auth.GasPrice, err = client.SuggestGasPrice(context.Background())
+	auth.Value = big.NewInt(0) // in wei
+	assert.NoError(t, err)
+	auth.GasPrice, err = l2Cli.SuggestGasPrice(context.Background())
 	assert.NoError(t, err)
 	return auth
 }

bridge/mock/mock.go

@@ -1,251 +0,0 @@
-package mock
-
-import (
-	"context"
-	"crypto/ecdsa"
-	"crypto/elliptic"
-	"crypto/rand"
-	"encoding/binary"
-	"encoding/json"
-	"io"
-	"math/big"
-	"net"
-	"os"
-	"testing"
-	"time"
-
-	"github.com/ethereum/go-ethereum/crypto/secp256k1"
-	"github.com/gorilla/websocket"
-	"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/stretchr/testify/assert"
-
-	"scroll-tech/database"
-	"scroll-tech/database/migrate"
-
-	"scroll-tech/common/message"
-	"scroll-tech/coordinator"
-	coordinator_config "scroll-tech/coordinator/config"
-
-	bridge_config "scroll-tech/bridge/config"
-	"scroll-tech/bridge/l2"
-
-	"scroll-tech/common/docker"
-
-	docker_db "scroll-tech/database/docker"
-)
-
-// PerformHandshake sets up a websocket client to connect to the roller manager.
-func PerformHandshake(t *testing.T, c *websocket.Conn) {
-	// Try to perform handshake
-	pk, sk := generateKeyPair()
-	authMsg := &message.AuthMessage{
-		Identity: message.Identity{
-			Name:      "testRoller",
-			Timestamp: time.Now().UnixNano(),
-			PublicKey: common.Bytes2Hex(pk),
-		},
-		Signature: "",
-	}
-
-	hash, err := authMsg.Identity.Hash()
-	assert.NoError(t, err)
-	sig, err := secp256k1.Sign(hash, sk)
-	assert.NoError(t, err)
-
-	authMsg.Signature = common.Bytes2Hex(sig)
-
-	b, err := json.Marshal(authMsg)
-	assert.NoError(t, err)
-
-	msg := &message.Msg{
-		Type:    message.Register,
-		Payload: b,
-	}
-
-	b, err = json.Marshal(msg)
-	assert.NoError(t, err)
-
-	assert.NoError(t, c.WriteMessage(websocket.BinaryMessage, b))
-}
-
-func generateKeyPair() (pubkey, privkey []byte) {
-	key, err := ecdsa.GenerateKey(secp256k1.S256(), rand.Reader)
-	if err != nil {
-		panic(err)
-	}
-	pubkey = elliptic.Marshal(secp256k1.S256(), key.X, key.Y)
-
-	privkey = make([]byte, 32)
-	blob := key.D.Bytes()
-	copy(privkey[32-len(blob):], blob)
-
-	return pubkey, privkey
-}
-
-// SetupMockVerifier sets up a mocked verifier for a test case.
-func SetupMockVerifier(t *testing.T, verifierEndpoint string) {
-	err := os.RemoveAll(verifierEndpoint)
-	assert.NoError(t, err)
-
-	l, err := net.Listen("unix", verifierEndpoint)
-	assert.NoError(t, err)
-
-	go func() {
-		conn, err := l.Accept()
-		assert.NoError(t, err)
-
-		// Simply read all incoming messages and send a true boolean straight back.
-		for {
-			// Read length
-			buf := make([]byte, 4)
-			_, err = io.ReadFull(conn, buf)
-			assert.NoError(t, err)
-
-			// Read message
-			msgLength := binary.LittleEndian.Uint64(buf)
-			buf = make([]byte, msgLength)
-			_, err = io.ReadFull(conn, buf)
-			assert.NoError(t, err)
-
-			// Return boolean
-			buf = []byte{1}
-			_, err = conn.Write(buf)
-			assert.NoError(t, err)
-		}
-	}()
-
-}
-
-// L1GethTestConfig is the http and web socket port of l1geth docker
-type L1GethTestConfig struct {
-	HPort int
-	WPort int
-}
-
-// L2GethTestConfig is the http and web socket port of l2geth docker
-type L2GethTestConfig struct {
-	HPort int
-	WPort int
-}
-
-// DbTestconfig is the test config of database docker
-type DbTestconfig struct {
-	DbName    string
-	DbPort    int
-	DB_CONFIG *database.DBConfig
-}
-
-// TestConfig is the config for test
-type TestConfig struct {
-	L1GethTestConfig
-	L2GethTestConfig
-	DbTestconfig
-}
-
-// NewTestL1Docker starts and returns l1geth docker
-func NewTestL1Docker(t *testing.T, tcfg *TestConfig) docker.ImgInstance {
-	img_geth := docker.NewImgGeth(t, "scroll_l1geth", "", "", tcfg.L1GethTestConfig.HPort, tcfg.L1GethTestConfig.WPort)
-	assert.NoError(t, img_geth.Start())
-	return img_geth
-}
-
-// NewTestL2Docker starts and returns l2geth docker
-func NewTestL2Docker(t *testing.T, tcfg *TestConfig) docker.ImgInstance {
-	img_geth := docker.NewImgGeth(t, "scroll_l2geth", "", "", tcfg.L2GethTestConfig.HPort, tcfg.L2GethTestConfig.WPort)
-	assert.NoError(t, img_geth.Start())
-	return img_geth
-}
-
-// GetDbDocker starts and returns database docker
-func GetDbDocker(t *testing.T, tcfg *TestConfig) docker.ImgInstance {
-	img_db := docker_db.NewImgDB(t, "postgres", "123456", tcfg.DbName, tcfg.DbPort)
-	assert.NoError(t, img_db.Start())
-	return img_db
-}
-
-// L2gethDocker return mock l2geth client created with docker for test
-func L2gethDocker(t *testing.T, cfg *bridge_config.Config, tcfg *TestConfig) (*l2.Backend, docker.ImgInstance, docker.ImgInstance) {
-	// initialize l2geth docker image
-	img_geth := NewTestL2Docker(t, tcfg)
-
-	cfg.L2Config.Endpoint = img_geth.Endpoint()
-
-	// initialize db docker image
-	img_db := GetDbDocker(t, tcfg)
-
-	db, err := database.NewOrmFactory(&database.DBConfig{
-		DriverName: "postgres",
-		DSN:        img_db.Endpoint(),
-	})
-	assert.NoError(t, err)
-
-	client, err := l2.New(context.Background(), cfg.L2Config, db)
-	assert.NoError(t, err)
-
-	return client, img_geth, img_db
-}
-
-// SetupRollerManager return coordinator.Manager for testcase
-func SetupRollerManager(t *testing.T, cfg *coordinator_config.Config, orm database.OrmFactory) *coordinator.Manager {
-	// Load config file.
-	ctx := context.Background()
-
-	SetupMockVerifier(t, cfg.RollerManagerConfig.VerifierEndpoint)
-	rollerManager, err := coordinator.New(ctx, cfg.RollerManagerConfig, orm)
-	assert.NoError(t, err)
-
-	// Start rollermanager modules.
-	err = rollerManager.Start()
-	assert.NoError(t, err)
-	return rollerManager
-}
-
-// ClearDB clears db
-func ClearDB(t *testing.T, db_cfg *database.DBConfig) {
-	factory, err := database.NewOrmFactory(db_cfg)
-	assert.NoError(t, err)
-	db := factory.GetDB()
-	version0 := int64(0)
-	err = migrate.Rollback(db.DB, &version0)
-	assert.NoError(t, err)
-	err = migrate.Migrate(db.DB)
-	assert.NoError(t, err)
-	err = db.DB.Close()
-	assert.NoError(t, err)
-}
-
-// PrepareDB will return DB for testcase
-func PrepareDB(t *testing.T, db_cfg *database.DBConfig) database.OrmFactory {
-	db, err := database.NewOrmFactory(db_cfg)
-	assert.NoError(t, err)
-	return db
-}
-
-// SendTxToL2Client will send a default Tx by calling l2geth client
-func SendTxToL2Client(t *testing.T, client *ethclient.Client, private string) *types.Transaction {
-	privateKey, err := crypto.HexToECDSA(private)
-	assert.NoError(t, err)
-	publicKey := privateKey.Public()
-	publicKeyECDSA, ok := publicKey.(*ecdsa.PublicKey)
-	assert.True(t, ok)
-	fromAddress := crypto.PubkeyToAddress(*publicKeyECDSA)
-	nonce, err := client.PendingNonceAt(context.Background(), fromAddress)
-	assert.NoError(t, err)
-	value := big.NewInt(1000000000) // in wei
-	gasLimit := uint64(30000000)    // in units
-	gasPrice, err := client.SuggestGasPrice(context.Background())
-	assert.NoError(t, err)
-	toAddress := common.HexToAddress("0x4592d8f8d7b001e72cb26a73e4fa1806a51ac79d")
-	tx := types.NewTransaction(nonce, toAddress, value, gasLimit, gasPrice, nil)
-	chainID, err := client.ChainID(context.Background())
-	assert.NoError(t, err)
-
-	signedTx, err := types.SignTx(tx, types.NewEIP155Signer(chainID), privateKey)
-	assert.NoError(t, err)
-
-	assert.NoError(t, client.SendTransaction(context.Background(), signedTx))
-	return signedTx
-}

bridge/mock_bridge/MockBridgeL1.sol

@@ -0,0 +1,380 @@
+// SPDX-License-Identifier: UNLICENSED
+pragma solidity ^0.8.0;
+
+contract MockBridgeL1 {
+  /******************************
+   * Events from L1MessageQueue *
+   ******************************/
+
+  /// @notice Emitted when a new L1 => L2 transaction is appended to the queue.
+  /// @param sender The address of account who initiates the transaction.
+  /// @param target The address of account who will recieve the transaction.
+  /// @param value The value passed with the transaction.
+  /// @param queueIndex The index of this transaction in the queue.
+  /// @param gasLimit Gas limit required to complete the message relay on L2.
+  /// @param data The calldata of the transaction.
+  event QueueTransaction(
+    address indexed sender,
+    address indexed target,
+    uint256 value,
+    uint256 queueIndex,
+    uint256 gasLimit,
+    bytes data
+  );
+
+  /*********************************
+   * Events from L1ScrollMessenger *
+   *********************************/
+
+  /// @notice Emitted when a cross domain message is sent.
+  /// @param sender The address of the sender who initiates the message.
+  /// @param target The address of target contract to call.
+  /// @param value The amount of value passed to the target contract.
+  /// @param messageNonce The nonce of the message.
+  /// @param gasLimit The optional gas limit passed to L1 or L2.
+  /// @param message The calldata passed to the target contract.
+  event SentMessage(
+    address indexed sender,
+    address indexed target,
+    uint256 value,
+    uint256 messageNonce,
+    uint256 gasLimit,
+    bytes message
+  );
+
+  /// @notice Emitted when a cross domain message is relayed successfully.
+  /// @param messageHash The hash of the message.
+  event RelayedMessage(bytes32 indexed messageHash);
+
+  /// @dev The maximum number of transaction in on batch.
+  uint256 public immutable maxNumTxInBatch;
+
+  /// @dev The hash used for padding public inputs.
+  bytes32 public immutable paddingTxHash;
+
+  /***************************
+   * Events from ScrollChain *
+   ***************************/
+
+  /// @notice Emitted when a new batch is commited.
+  /// @param batchHash The hash of the batch
+  event CommitBatch(bytes32 indexed batchHash);
+
+  /// @notice Emitted when a batch is reverted.
+  /// @param batchHash The identification of the batch.
+  event RevertBatch(bytes32 indexed batchHash);
+
+  /// @notice Emitted when a batch is finalized.
+  /// @param batchHash The hash of the batch
+  event FinalizeBatch(bytes32 indexed batchHash);
+
+  /***********
+   * Structs *
+   ***********/
+
+  struct BlockContext {
+    // The hash of this block.
+    bytes32 blockHash;
+    // The parent hash of this block.
+    bytes32 parentHash;
+    // The height of this block.
+    uint64 blockNumber;
+    // The timestamp of this block.
+    uint64 timestamp;
+    // The base fee of this block.
+    // Currently, it is not used, because we disable EIP-1559.
+    // We keep it for future proof.
+    uint256 baseFee;
+    // The gas limit of this block.
+    uint64 gasLimit;
+    // The number of transactions in this block, both L1 & L2 txs.
+    uint16 numTransactions;
+    // The number of l1 messages in this block.
+    uint16 numL1Messages;
+  }
+
+  struct Batch {
+    // The list of blocks in this batch
+    BlockContext[] blocks; // MAX_NUM_BLOCKS = 100, about 5 min
+    // The state root of previous batch.
+    // The first batch will use 0x0 for prevStateRoot
+    bytes32 prevStateRoot;
+    // The state root of the last block in this batch.
+    bytes32 newStateRoot;
+    // The withdraw trie root of the last block in this batch.
+    bytes32 withdrawTrieRoot;
+    // The index of the batch.
+    uint64 batchIndex;
+    // The parent batch hash.
+    bytes32 parentBatchHash;
+    // Concatenated raw data of RLP encoded L2 txs
+    bytes l2Transactions;
+  }
+
+  struct L2MessageProof {
+    // The hash of the batch where the message belongs to.
+    bytes32 batchHash;
+    // Concatenation of merkle proof for withdraw merkle trie.
+    bytes merkleProof;
+  }
+
+  /*************
+   * Variables *
+   *************/
+
+  /// @notice Message nonce, used to avoid relay attack.
+  uint256 public messageNonce;
+
+  /***************
+   * Constructor *
+   ***************/
+
+  constructor() {
+    maxNumTxInBatch = 44;
+    paddingTxHash = 0x0000000000000000000000000000000000000000000000000000000000000000;
+  }
+
+  /***********************************
+   * Functions from L2GasPriceOracle *
+   ***********************************/
+
+  function setL2BaseFee(uint256) external {
+  }
+
+  /************************************
+   * Functions from L1ScrollMessenger *
+   ************************************/
+
+  function sendMessage(
+    address target,
+    uint256 value,
+    bytes calldata message,
+    uint256 gasLimit
+  ) external payable {
+    bytes memory _xDomainCalldata = _encodeXDomainCalldata(msg.sender, target, value, messageNonce, message);
+    {
+      address _sender = applyL1ToL2Alias(address(this));
+      emit QueueTransaction(_sender, target, 0, messageNonce, gasLimit, _xDomainCalldata);
+    }
+
+    emit SentMessage(msg.sender, target, value, messageNonce, gasLimit, message);
+    messageNonce += 1;
+  }
+
+  function relayMessageWithProof(
+    address _from,
+    address _to,
+    uint256 _value,
+    uint256 _nonce,
+    bytes memory _message,
+    L2MessageProof memory
+  ) external {
+    bytes memory _xDomainCalldata = _encodeXDomainCalldata(_from, _to, _value, _nonce, _message);
+    bytes32 _xDomainCalldataHash = keccak256(_xDomainCalldata);
+    emit RelayedMessage(_xDomainCalldataHash);
+  }
+
+  /******************************
+   * Functions from ScrollChain *
+   ******************************/
+
+  function commitBatch(Batch memory _batch) external {
+    _commitBatch(_batch);
+  }
+
+  function commitBatches(Batch[] memory _batches) external {
+    for (uint256 i = 0; i < _batches.length; i++) {
+      _commitBatch(_batches[i]);
+    }
+  }
+
+  function revertBatch(bytes32 _batchHash) external {
+    emit RevertBatch(_batchHash);
+  }
+
+  function finalizeBatchWithProof(
+    bytes32 _batchHash,
+    uint256[] memory,
+    uint256[] memory
+  ) external {
+    emit FinalizeBatch(_batchHash);
+  }
+
+  /**********************
+   * Internal Functions *
+   **********************/
+
+  function _commitBatch(Batch memory _batch) internal {
+    bytes32 _batchHash = _computePublicInputHash(_batch);
+    emit CommitBatch(_batchHash);
+  }
+
+  /// @dev Internal function to generate the correct cross domain calldata for a message.
+  /// @param _sender Message sender address.
+  /// @param _target Target contract address.
+  /// @param _value The amount of ETH pass to the target.
+  /// @param _messageNonce Nonce for the provided message.
+  /// @param _message Message to send to the target.
+  /// @return ABI encoded cross domain calldata.
+  function _encodeXDomainCalldata(
+    address _sender,
+    address _target,
+    uint256 _value,
+    uint256 _messageNonce,
+    bytes memory _message
+  ) internal pure returns (bytes memory) {
+    return
+      abi.encodeWithSignature(
+        "relayMessage(address,address,uint256,uint256,bytes)",
+        _sender,
+        _target,
+        _value,
+        _messageNonce,
+        _message
+      );
+  }
+
+  function applyL1ToL2Alias(address l1Address) internal pure returns (address l2Address) {
+    uint160 offset = uint160(0x1111000000000000000000000000000000001111);
+    unchecked {
+      l2Address = address(uint160(l1Address) + offset);
+    }
+  }
+
+  /// @dev Internal function to compute the public input hash.
+  /// @param batch The batch to compute.
+  function _computePublicInputHash(Batch memory batch)
+    internal
+    view
+    returns (
+      bytes32
+    )
+  {
+    uint256 publicInputsPtr;
+    // 1. append prevStateRoot, newStateRoot and withdrawTrieRoot to public inputs
+    {
+      bytes32 prevStateRoot = batch.prevStateRoot;
+      bytes32 newStateRoot = batch.newStateRoot;
+      bytes32 withdrawTrieRoot = batch.withdrawTrieRoot;
+      // number of bytes in public inputs: 32 * 3 + 124 * blocks + 32 * MAX_NUM_TXS
+      uint256 publicInputsSize = 32 * 3 + batch.blocks.length * 124 + 32 * maxNumTxInBatch;
+      assembly {
+        publicInputsPtr := mload(0x40)
+        mstore(0x40, add(publicInputsPtr, publicInputsSize))
+        mstore(publicInputsPtr, prevStateRoot)
+        publicInputsPtr := add(publicInputsPtr, 0x20)
+        mstore(publicInputsPtr, newStateRoot)
+        publicInputsPtr := add(publicInputsPtr, 0x20)
+        mstore(publicInputsPtr, withdrawTrieRoot)
+        publicInputsPtr := add(publicInputsPtr, 0x20)
+      }
+    }
+
+    uint64 numTransactionsInBatch;
+    BlockContext memory _block;
+    // 2. append block information to public inputs.
+    for (uint256 i = 0; i < batch.blocks.length; i++) {
+      // validate blocks, we won't check first block against previous batch.
+      {
+        BlockContext memory _currentBlock = batch.blocks[i];
+        if (i > 0) {
+          require(_block.blockHash == _currentBlock.parentHash, "Parent hash mismatch");
+          require(_block.blockNumber + 1 == _currentBlock.blockNumber, "Block number mismatch");
+        }
+        _block = _currentBlock;
+      }
+
+      // append blockHash and parentHash to public inputs
+      {
+        bytes32 blockHash = _block.blockHash;
+        bytes32 parentHash = _block.parentHash;
+        assembly {
+          mstore(publicInputsPtr, blockHash)
+          publicInputsPtr := add(publicInputsPtr, 0x20)
+          mstore(publicInputsPtr, parentHash)
+          publicInputsPtr := add(publicInputsPtr, 0x20)
+        }
+      }
+      // append blockNumber and blockTimestamp to public inputs
+      {
+        uint256 blockNumber = _block.blockNumber;
+        uint256 blockTimestamp = _block.timestamp;
+        assembly {
+          mstore(publicInputsPtr, shl(192, blockNumber))
+          publicInputsPtr := add(publicInputsPtr, 0x8)
+          mstore(publicInputsPtr, shl(192, blockTimestamp))
+          publicInputsPtr := add(publicInputsPtr, 0x8)
+        }
+      }
+      // append baseFee to public inputs
+      {
+        uint256 baseFee = _block.baseFee;
+        assembly {
+          mstore(publicInputsPtr, baseFee)
+          publicInputsPtr := add(publicInputsPtr, 0x20)
+        }
+      }
+      uint64 numTransactionsInBlock = _block.numTransactions;
+      // gasLimit, numTransactions and numL1Messages to public inputs
+      {
+        uint256 gasLimit = _block.gasLimit;
+        uint256 numL1MessagesInBlock = _block.numL1Messages;
+        assembly {
+          mstore(publicInputsPtr, shl(192, gasLimit))
+          publicInputsPtr := add(publicInputsPtr, 0x8)
+          mstore(publicInputsPtr, shl(240, numTransactionsInBlock))
+          publicInputsPtr := add(publicInputsPtr, 0x2)
+          mstore(publicInputsPtr, shl(240, numL1MessagesInBlock))
+          publicInputsPtr := add(publicInputsPtr, 0x2)
+        }
+      }
+      numTransactionsInBatch += numTransactionsInBlock;
+    }
+    require(numTransactionsInBatch <= maxNumTxInBatch, "Too many transactions in batch");
+
+    // 3. append transaction hash to public inputs.
+    uint256 _l2TxnPtr;
+    {
+      bytes memory l2Transactions = batch.l2Transactions;
+      assembly {
+        _l2TxnPtr := add(l2Transactions, 0x20)
+      }
+    }
+    for (uint256 i = 0; i < batch.blocks.length; i++) {
+      uint256 numL1MessagesInBlock = batch.blocks[i].numL1Messages;
+      require(numL1MessagesInBlock == 0);
+      uint256 numTransactionsInBlock = batch.blocks[i].numTransactions;
+      for (uint256 j = numL1MessagesInBlock; j < numTransactionsInBlock; ++j) {
+        bytes32 hash;
+        assembly {
+          let txPayloadLength := shr(224, mload(_l2TxnPtr))
+          _l2TxnPtr := add(_l2TxnPtr, 4)
+          _l2TxnPtr := add(_l2TxnPtr, txPayloadLength)
+          hash := keccak256(sub(_l2TxnPtr, txPayloadLength), txPayloadLength)
+          mstore(publicInputsPtr, hash)
+          publicInputsPtr := add(publicInputsPtr, 0x20)
+        }
+      }
+    }
+
+    // 4. append padding transaction to public inputs.
+    bytes32 txHashPadding = paddingTxHash;
+    for (uint256 i = numTransactionsInBatch; i < maxNumTxInBatch; i++) {
+      assembly {
+        mstore(publicInputsPtr, txHashPadding)
+        publicInputsPtr := add(publicInputsPtr, 0x20)
+      }
+    }
+
+    // 5. compute public input hash
+    bytes32 publicInputHash;
+    {
+      uint256 publicInputsSize = 32 * 3 + batch.blocks.length * 124 + 32 * maxNumTxInBatch;
+      assembly {
+        publicInputHash := keccak256(sub(publicInputsPtr, publicInputsSize), publicInputsSize)
+      }
+    }
+
+    return publicInputHash;
+  }
+}

bridge/mock_bridge/MockBridgeL2.sol

@@ -0,0 +1,129 @@
+// SPDX-License-Identifier: UNLICENSED
+pragma solidity ^0.8.0;
+
+contract MockBridgeL2 {
+  /******************************
+   * Events from L2MessageQueue *
+   ******************************/
+
+  /// @notice Emitted when a new message is added to the merkle tree.
+  /// @param index The index of the corresponding message.
+  /// @param messageHash The hash of the corresponding message.
+  event AppendMessage(uint256 index, bytes32 messageHash);
+
+  /********************************
+   * Events from L1BlockContainer *
+   ********************************/
+
+  /// @notice Emitted when a block is imported.
+  /// @param blockHash The hash of the imported block.
+  /// @param blockHeight The height of the imported block.
+  /// @param blockTimestamp The timestamp of the imported block.
+  /// @param baseFee The base fee of the imported block.
+  /// @param stateRoot The state root of the imported block.
+  event ImportBlock(
+    bytes32 indexed blockHash,
+    uint256 blockHeight,
+    uint256 blockTimestamp,
+    uint256 baseFee,
+    bytes32 stateRoot
+  );
+
+  /*********************************
+   * Events from L2ScrollMessenger *
+   *********************************/
+
+  /// @notice Emitted when a cross domain message is sent.
+  /// @param sender The address of the sender who initiates the message.
+  /// @param target The address of target contract to call.
+  /// @param value The amount of value passed to the target contract.
+  /// @param messageNonce The nonce of the message.
+  /// @param gasLimit The optional gas limit passed to L1 or L2.
+  /// @param message The calldata passed to the target contract.
+  event SentMessage(
+    address indexed sender,
+    address indexed target,
+    uint256 value,
+    uint256 messageNonce,
+    uint256 gasLimit,
+    bytes message
+  );
+
+  /// @notice Emitted when a cross domain message is relayed successfully.
+  /// @param messageHash The hash of the message.
+  event RelayedMessage(bytes32 indexed messageHash);
+
+  /*************
+   * Variables *
+   *************/
+
+  /// @notice Message nonce, used to avoid relay attack.
+  uint256 public messageNonce;
+
+  /***********************************
+   * Functions from L1GasPriceOracle *
+   ***********************************/
+
+  function setL1BaseFee(uint256) external {
+  }
+
+  /************************************
+   * Functions from L2ScrollMessenger *
+   ************************************/
+
+  function sendMessage(
+    address _to,
+    uint256 _value,
+    bytes memory _message,
+    uint256 _gasLimit
+  ) external payable {
+    bytes memory _xDomainCalldata = _encodeXDomainCalldata(msg.sender, _to, _value, messageNonce, _message);
+    bytes32 _xDomainCalldataHash = keccak256(_xDomainCalldata);
+
+    emit AppendMessage(messageNonce, _xDomainCalldataHash);
+    emit SentMessage(msg.sender, _to, _value, messageNonce, _gasLimit, _message);
+
+    messageNonce += 1;
+  }
+
+  function relayMessage(
+    address _from,
+    address _to,
+    uint256 _value,
+    uint256 _nonce,
+    bytes calldata _message
+  ) external {
+    bytes memory _xDomainCalldata = _encodeXDomainCalldata(_from, _to, _value, _nonce, _message);
+    bytes32 _xDomainCalldataHash = keccak256(_xDomainCalldata);
+    emit RelayedMessage(_xDomainCalldataHash);
+  }
+
+  /**********************
+   * Internal Functions *
+   **********************/
+
+  /// @dev Internal function to generate the correct cross domain calldata for a message.
+  /// @param _sender Message sender address.
+  /// @param _target Target contract address.
+  /// @param _value The amount of ETH pass to the target.
+  /// @param _messageNonce Nonce for the provided message.
+  /// @param _message Message to send to the target.
+  /// @return ABI encoded cross domain calldata.
+  function _encodeXDomainCalldata(
+    address _sender,
+    address _target,
+    uint256 _value,
+    uint256 _messageNonce,
+    bytes memory _message
+  ) internal pure returns (bytes memory) {
+    return
+      abi.encodeWithSignature(
+        "relayMessage(address,address,uint256,uint256,bytes)",
+        _sender,
+        _target,
+        _value,
+        _messageNonce,
+        _message
+      );
+  }
+}

bridge/mock_bridge/Mock_Bridge.sol

@@ -1,42 +0,0 @@
-//SPDX-License-Identifier: UNLICENSED
-pragma solidity ^0.8.0;
-
-contract Mock_Bridge {
-
-  event SentMessage(
-    address indexed target,
-    address sender,
-    uint256 value,
-    uint256 fee,
-    uint256 deadline,
-    bytes message,
-    uint256 messageNonce,
-    uint256 gasLimit
-  );
-
-    /// @notice Message nonce, used to avoid relay attack.
-  uint256 public messageNonce;
-
- function sendMessage(
-    address _to,
-    bytes memory _message,
-    uint256 _gasLimit
-  ) external payable {
-    // solhint-disable-next-line not-rely-on-time
-    uint256 _deadline = block.timestamp + 1 days;
-    // @todo compute fee
-    uint256 _fee = 0;
-    uint256 _nonce = messageNonce;
-    require(msg.value >= _fee, "cannot pay fee");
-    uint256 _value;
-    unchecked {
-      _value = msg.value - _fee;
-    }
-
-    emit SentMessage(_to, msg.sender, _value, _fee, _deadline, _message, _nonce, _gasLimit);
-
-    unchecked {
-      messageNonce = _nonce + 1;
-    }
-  }
-}

bridge/scripts/build_abi.sh

@@ -1,5 +1,8 @@
 #!/bin/bash
 
+# generates go bindings from contracts, to paste into abi/bridge_abi.go
+# compile artifacts in /contracts folder with `forge build`` first 
+
 # Only run if it is ran from repository root.
 if [[ ! -d "cmd" ]]
 then
@@ -14,16 +17,20 @@ else
   mkdir -p contracts
 fi
 
-abi_name=("IL1GatewayRouter" "IL2GatewayRouter" "IL1ScrollMessenger" "IL2ScrollMessenger" "ZKRollup")
-pkg_name=("l1_gateway" "l2_gateway" "l1_messenger" "l2_messenger" "rollup")
-gen_name=("L1GatewayRouter" "L2GatewayRouter" "L1ScrollMessenger" "L2ScrollMessenger" "ZKRollup")
+abi_name=("IL1GatewayRouter" "IL2GatewayRouter" "IL1ScrollMessenger" "IL2ScrollMessenger" "IScrollChain" "L1MessageQueue")
+pkg_name=("l1_gateway" "l2_gateway" "l1_messenger" "l2_messenger" "scrollchain" "l1_message_queue")
+gen_name=("L1GatewayRouter" "L2GatewayRouter" "L1ScrollMessenger" "L2ScrollMessenger" "IScrollChain" "L1MessageQueue")
 
 for i in "${!abi_name[@]}"; do
-  abi="bridge/abi/${abi_name[$i]}.json"
-  pkg="${pkg_name[$i]}"
+  mkdir -p tmp
+  abi="tmp/${abi_name[$i]}.json"
+  cat ../contracts/artifacts/src/${abi_name[$i]}.sol/${abi_name[$i]}.json | jq '.abi' > $abi
+  pkg="${pkg_name[$i]}_abi"
   out="contracts/${pkg}/${gen_name[$i]}.go"
   echo "generating ${out} from ${abi}"
   mkdir -p contracts/$pkg
   abigen --abi=$abi --pkg=$pkg --out=$out
   awk '{sub("github.com/ethereum","github.com/scroll-tech")}1' $out > temp && mv temp $out
-done
+done
+
+rm -rf tmp

bridge/sender/account_pool.go

@@ -0,0 +1,169 @@
+package sender
+
+import (
+	"context"
+	"crypto/ecdsa"
+	"fmt"
+	"math/big"
+
+	"github.com/scroll-tech/go-ethereum/accounts/abi/bind"
+	"github.com/scroll-tech/go-ethereum/common"
+	"github.com/scroll-tech/go-ethereum/core/types"
+	"github.com/scroll-tech/go-ethereum/ethclient"
+	"github.com/scroll-tech/go-ethereum/log"
+)
+
+type accountPool struct {
+	client *ethclient.Client
+
+	minBalance *big.Int
+	accounts   map[common.Address]*bind.TransactOpts
+	accsCh     chan *bind.TransactOpts
+}
+
+// newAccounts creates an accountPool instance.
+func newAccountPool(ctx context.Context, minBalance *big.Int, client *ethclient.Client, privs []*ecdsa.PrivateKey) (*accountPool, error) {
+	if minBalance == nil {
+		minBalance = big.NewInt(0)
+		minBalance.SetString("100000000000000000000", 10)
+	}
+	accs := &accountPool{
+		client:     client,
+		minBalance: minBalance,
+		accounts:   make(map[common.Address]*bind.TransactOpts, len(privs)),
+		accsCh:     make(chan *bind.TransactOpts, len(privs)+2),
+	}
+
+	// get chainID from client
+	chainID, err := client.ChainID(ctx)
+	if err != nil {
+		return nil, err
+	}
+
+	for _, privStr := range privs {
+		auth, err := bind.NewKeyedTransactorWithChainID(privStr, chainID)
+		if err != nil {
+			log.Error("failed to create account", "chainID", chainID.String(), "err", err)
+			return nil, err
+		}
+
+		// Set pending nonce
+		nonce, err := client.PendingNonceAt(ctx, auth.From)
+		if err != nil {
+			return nil, err
+		}
+		auth.Nonce = big.NewInt(int64(nonce))
+		accs.accounts[auth.From] = auth
+		accs.accsCh <- auth
+	}
+
+	return accs, accs.checkAndSetBalances(ctx)
+}
+
+// getAccount get auth from channel.
+func (a *accountPool) getAccount() *bind.TransactOpts {
+	select {
+	case auth := <-a.accsCh:
+		return auth
+	default:
+		return nil
+	}
+}
+
+// releaseAccount set used auth into channel.
+func (a *accountPool) releaseAccount(auth *bind.TransactOpts) {
+	a.accsCh <- auth
+}
+
+// reSetNonce reset nonce if send signed tx failed.
+func (a *accountPool) resetNonce(ctx context.Context, auth *bind.TransactOpts) {
+	nonce, err := a.client.PendingNonceAt(ctx, auth.From)
+	if err != nil {
+		log.Warn("failed to reset nonce", "address", auth.From.String(), "err", err)
+		return
+	}
+	auth.Nonce = big.NewInt(int64(nonce))
+}
+
+// checkAndSetBalance check balance and set min balance.
+func (a *accountPool) checkAndSetBalances(ctx context.Context) error {
+	var (
+		root      *bind.TransactOpts
+		maxBls    = big.NewInt(0)
+		lostAuths []*bind.TransactOpts
+	)
+
+	for addr, auth := range a.accounts {
+		bls, err := a.client.BalanceAt(ctx, addr, nil)
+		if err != nil || bls.Cmp(a.minBalance) < 0 {
+			if err != nil {
+				log.Warn("failed to get balance", "address", addr.String(), "err", err)
+				return err
+			}
+			lostAuths = append(lostAuths, auth)
+			continue
+		} else if bls.Cmp(maxBls) > 0 { // Find the biggest balance account.
+			root, maxBls = auth, bls
+		}
+	}
+	if root == nil {
+		return fmt.Errorf("no account has enough balance")
+	}
+	if len(lostAuths) == 0 {
+		return nil
+	}
+
+	var (
+		tx  *types.Transaction
+		err error
+	)
+	for _, auth := range lostAuths {
+		tx, err = a.createSignedTx(root, &auth.From, a.minBalance)
+		if err != nil {
+			return err
+		}
+		err = a.client.SendTransaction(ctx, tx)
+		if err != nil {
+			log.Error("Failed to send balance to account", "err", err)
+			return err
+		}
+		log.Debug("send balance to account", "account", auth.From.String(), "balance", a.minBalance.String())
+	}
+	// wait util mined
+	if _, err = bind.WaitMined(ctx, a.client, tx); err != nil {
+		return err
+	}
+
+	// Reset root's nonce.
+	a.resetNonce(ctx, root)
+
+	return nil
+}
+
+func (a *accountPool) createSignedTx(from *bind.TransactOpts, to *common.Address, value *big.Int) (*types.Transaction, error) {
+	gasPrice, err := a.client.SuggestGasPrice(context.Background())
+	if err != nil {
+		return nil, err
+	}
+	gasPrice.Mul(gasPrice, big.NewInt(2))
+
+	// Get pending nonce
+	nonce, err := a.client.PendingNonceAt(context.Background(), from.From)
+	if err != nil {
+		return nil, err
+	}
+
+	tx := types.NewTx(&types.LegacyTx{
+		Nonce:    nonce,
+		To:       to,
+		Value:    value,
+		Gas:      500000,
+		GasPrice: gasPrice,
+	})
+	signedTx, err := from.Signer(from.From, tx)
+	if err != nil {
+		return nil, err
+	}
+
+	return signedTx, nil
+}

bridge/sender/sender.go

@@ -3,14 +3,16 @@ package sender
 import (
 	"context"
 	"crypto/ecdsa"
+	"errors"
 	"fmt"
 	"math/big"
+	"reflect"
 	"strings"
 	"sync"
 	"sync/atomic"
 	"time"
 
-	"github.com/scroll-tech/go-ethereum"
+	geth "github.com/scroll-tech/go-ethereum"
 	"github.com/scroll-tech/go-ethereum/accounts/abi/bind"
 	"github.com/scroll-tech/go-ethereum/common"
 	"github.com/scroll-tech/go-ethereum/common/math"
@@ -18,6 +20,8 @@ import (
 	"github.com/scroll-tech/go-ethereum/ethclient"
 	"github.com/scroll-tech/go-ethereum/log"
 
+	"scroll-tech/bridge/utils"
+
 	"scroll-tech/bridge/config"
 )
 
@@ -32,15 +36,10 @@ const (
 	LegacyTxType = "LegacyTx"
 )
 
-// DefaultSenderConfig The default config
-var DefaultSenderConfig = config.SenderConfig{
-	Endpoint:            "",
-	EscalateBlocks:      3,
-	EscalateMultipleNum: 11,
-	EscalateMultipleDen: 10,
-	MaxGasPrice:         1000_000_000_000, // this is 1000 gwei
-	TxType:              AccessListTxType,
-}
+var (
+	// ErrNoAvailableAccount indicates no available account error in the account pool.
+	ErrNoAvailableAccount = errors.New("sender has no available account to send transaction")
+)
 
 // Confirmation struct used to indicate transaction confirmation details
 type Confirmation struct {
@@ -63,6 +62,7 @@ type PendingTransaction struct {
 	submitAt uint64
 	id       string
 	feeData  *FeeData
+	signer   *bind.TransactOpts
 	tx       *types.Transaction
 }
 
@@ -73,23 +73,20 @@ type Sender struct {
 	chainID *big.Int          // The chain id of the endpoint
 	ctx     context.Context
 
-	mu            sync.Mutex
-	auth          *bind.TransactOpts
+	// account fields.
+	auths *accountPool
+
 	blockNumber   uint64   // Current block number on chain.
 	baseFeePerGas uint64   // Current base fee per gas on chain
 	pendingTxs    sync.Map // Mapping from nonce to pending transaction
 	confirmCh     chan *Confirmation
-	sendTxErrCh   chan error
 
 	stopCh chan struct{}
 }
 
 // NewSender returns a new instance of transaction sender
 // txConfirmationCh is used to notify confirmed transaction
-func NewSender(ctx context.Context, config *config.SenderConfig, prv *ecdsa.PrivateKey) (*Sender, error) {
-	if config == nil {
-		config = &DefaultSenderConfig
-	}
+func NewSender(ctx context.Context, config *config.SenderConfig, privs []*ecdsa.PrivateKey) (*Sender, error) {
 	client, err := ethclient.Dial(config.Endpoint)
 	if err != nil {
 		return nil, err
@@ -101,20 +98,10 @@ func NewSender(ctx context.Context, config *config.SenderConfig, prv *ecdsa.Priv
 		return nil, err
 	}
 
-	auth, err := bind.NewKeyedTransactorWithChainID(prv, chainID)
+	auths, err := newAccountPool(ctx, config.MinBalance, client, privs)
 	if err != nil {
-		log.Error("failed to create account", "chainID", chainID.String(), "err", err)
-		return nil, err
+		return nil, fmt.Errorf("failed to create account pool, err: %v", err)
 	}
-	log.Info("sender", "chainID", chainID.String(), "address", auth.From.String())
-
-	// set nonce
-	nonce, err := client.PendingNonceAt(ctx, auth.From)
-	if err != nil {
-		log.Error("failed to get pending nonce", "address", auth.From.String(), "err", err)
-		return nil, err
-	}
-	auth.Nonce = big.NewInt(int64(nonce))
 
 	// get header by number
 	header, err := client.HeaderByNumber(ctx, nil)
@@ -122,20 +109,29 @@ func NewSender(ctx context.Context, config *config.SenderConfig, prv *ecdsa.Priv
 		return nil, err
 	}
 
+	var baseFeePerGas uint64
+	if config.TxType == DynamicFeeTxType {
+		if header.BaseFee != nil {
+			baseFeePerGas = header.BaseFee.Uint64()
+		} else {
+			return nil, errors.New("DynamicFeeTxType not supported, header.BaseFee nil")
+		}
+	}
+
 	sender := &Sender{
 		ctx:           ctx,
 		config:        config,
 		client:        client,
 		chainID:       chainID,
-		auth:          auth,
-		sendTxErrCh:   make(chan error, 4),
+		auths:         auths,
 		confirmCh:     make(chan *Confirmation, 128),
-		baseFeePerGas: header.BaseFee.Uint64(),
+		blockNumber:   header.Number.Uint64(),
+		baseFeePerGas: baseFeePerGas,
 		pendingTxs:    sync.Map{},
 		stopCh:        make(chan struct{}),
 	}
 
-	go sender.loop()
+	go sender.loop(ctx)
 
 	return sender, nil
 }
@@ -151,8 +147,14 @@ func (s *Sender) ConfirmChan() <-chan *Confirmation {
 	return s.confirmCh
 }
 
-func (s *Sender) getFeeData(msg ethereum.CallMsg) (*FeeData, error) {
-	gasLimit, err := s.client.EstimateGas(s.ctx, msg)
+// NumberOfAccounts return the count of accounts.
+func (s *Sender) NumberOfAccounts() int {
+	return len(s.auths.accounts)
+}
+
+func (s *Sender) getFeeData(auth *bind.TransactOpts, target *common.Address, value *big.Int, data []byte) (*FeeData, error) {
+	// estimate gas limit
+	gasLimit, err := s.client.EstimateGas(s.ctx, geth.CallMsg{From: auth.From, To: target, Value: value, Data: data})
 	if err != nil {
 		return nil, err
 	}
@@ -186,35 +188,38 @@ func (s *Sender) getFeeData(msg ethereum.CallMsg) (*FeeData, error) {
 
 // SendTransaction send a signed L2tL1 transaction.
 func (s *Sender) SendTransaction(ID string, target *common.Address, value *big.Int, data []byte) (hash common.Hash, err error) {
-	if _, ok := s.pendingTxs.Load(ID); ok {
+	// We occupy the ID, in case some other threads call with the same ID in the same time
+	if _, loaded := s.pendingTxs.LoadOrStore(ID, nil); loaded {
 		return common.Hash{}, fmt.Errorf("has the repeat tx ID, ID: %s", ID)
 	}
-	var (
-		// estimate gas limit
-		call = ethereum.CallMsg{
-			From:       s.auth.From,
-			To:         target,
-			Gas:        0,
-			GasPrice:   nil,
-			GasFeeCap:  nil,
-			GasTipCap:  nil,
-			Value:      value,
-			Data:       data,
-			AccessList: make(types.AccessList, 0),
+	// get
+	auth := s.auths.getAccount()
+	if auth == nil {
+		s.pendingTxs.Delete(ID) // release the ID on failure
+		return common.Hash{}, ErrNoAvailableAccount
+	}
+
+	defer s.auths.releaseAccount(auth)
+	defer func() {
+		if err != nil {
+			s.pendingTxs.Delete(ID) // release the ID on failure
 		}
+	}()
+
+	var (
 		feeData *FeeData
 		tx      *types.Transaction
 	)
-
 	// estimate gas fee
-	if feeData, err = s.getFeeData(call); err != nil {
+	if feeData, err = s.getFeeData(auth, target, value, data); err != nil {
 		return
 	}
-	if tx, err = s.createAndSendTx(feeData, target, value, data); err == nil {
+	if tx, err = s.createAndSendTx(auth, feeData, target, value, data, nil); err == nil {
 		// add pending transaction to queue
 		pending := &PendingTransaction{
 			tx:       tx,
 			id:       ID,
+			signer:   auth,
 			submitAt: atomic.LoadUint64(&s.blockNumber),
 			feeData:  feeData,
 		}
@@ -225,14 +230,17 @@ func (s *Sender) SendTransaction(ID string, target *common.Address, value *big.I
 	return
 }
 
-func (s *Sender) createAndSendTx(feeData *FeeData, target *common.Address, value *big.Int, data []byte) (tx *types.Transaction, err error) {
-	s.mu.Lock()
-	defer s.mu.Unlock()
-
+func (s *Sender) createAndSendTx(auth *bind.TransactOpts, feeData *FeeData, target *common.Address, value *big.Int, data []byte, overrideNonce *uint64) (tx *types.Transaction, err error) {
 	var (
-		nonce  = s.auth.Nonce.Uint64()
+		nonce  = auth.Nonce.Uint64()
 		txData types.TxData
 	)
+
+	// this is a resubmit call, override the nonce
+	if overrideNonce != nil {
+		nonce = *overrideNonce
+	}
+
 	// lock here to avoit blocking when call `SuggestGasPrice`
 	switch s.config.TxType {
 	case LegacyTxType:
@@ -280,25 +288,29 @@ func (s *Sender) createAndSendTx(feeData *FeeData, target *common.Address, value
 	}
 
 	// sign and send
-	tx, err = s.auth.Signer(s.auth.From, types.NewTx(txData))
+	tx, err = auth.Signer(auth.From, types.NewTx(txData))
 	if err != nil {
 		log.Error("failed to sign tx", "err", err)
 		return
 	}
 	if err = s.client.SendTransaction(s.ctx, tx); err != nil {
 		log.Error("failed to send tx", "tx hash", tx.Hash().String(), "err", err)
-		s.sendTxErrCh <- err
+		// Check if contain nonce, and reset nonce
+		// only reset nonce when it is not from resubmit
+		if strings.Contains(err.Error(), "nonce") && overrideNonce == nil {
+			s.auths.resetNonce(context.Background(), auth)
+		}
 		return
 	}
 
-	// update nonce
-	s.auth.Nonce = big.NewInt(int64(nonce + 1))
+	// update nonce when it is not from resubmit
+	if overrideNonce == nil {
+		auth.Nonce = big.NewInt(int64(nonce + 1))
+	}
 	return
 }
 
-func (s *Sender) resubmitTransaction(feeData *FeeData, tx *types.Transaction) (*types.Transaction, error) {
-	// @todo move query out of lock scope
-
+func (s *Sender) resubmitTransaction(feeData *FeeData, auth *bind.TransactOpts, tx *types.Transaction) (*types.Transaction, error) {
 	escalateMultipleNum := new(big.Int).SetUint64(s.config.EscalateMultipleNum)
 	escalateMultipleDen := new(big.Int).SetUint64(s.config.EscalateMultipleDen)
 	maxGasPrice := new(big.Int).SetUint64(s.config.MaxGasPrice)
@@ -334,19 +346,34 @@ func (s *Sender) resubmitTransaction(feeData *FeeData, tx *types.Transaction) (*
 		feeData.gasTipCap = gasTipCap
 	}
 
-	return s.createAndSendTx(feeData, tx.To(), tx.Value(), tx.Data())
+	nonce := tx.Nonce()
+	return s.createAndSendTx(auth, feeData, tx.To(), tx.Value(), tx.Data(), &nonce)
 }
 
-// CheckPendingTransaction Check pending transaction given number of blocks to wait before confirmation.
-func (s *Sender) CheckPendingTransaction(header *types.Header) {
+// checkPendingTransaction checks the confirmation status of pending transactions against the latest confirmed block number.
+// If a transaction hasn't been confirmed after a certain number of blocks, it will be resubmitted with an increased gas price.
+func (s *Sender) checkPendingTransaction(header *types.Header, confirmed uint64) {
 	number := header.Number.Uint64()
 	atomic.StoreUint64(&s.blockNumber, number)
-	atomic.StoreUint64(&s.baseFeePerGas, header.BaseFee.Uint64())
+
+	if s.config.TxType == DynamicFeeTxType {
+		if header.BaseFee != nil {
+			atomic.StoreUint64(&s.baseFeePerGas, header.BaseFee.Uint64())
+		} else {
+			log.Error("DynamicFeeTxType not supported, header.BaseFee nil")
+		}
+	}
+
 	s.pendingTxs.Range(func(key, value interface{}) bool {
+		// ignore empty id, since we use empty id to occupy pending task
+		if value == nil || reflect.ValueOf(value).IsNil() {
+			return true
+		}
+
 		pending := value.(*PendingTransaction)
 		receipt, err := s.client.TransactionReceipt(s.ctx, pending.tx.Hash())
 		if (err == nil) && (receipt != nil) {
-			if number >= receipt.BlockNumber.Uint64()+s.config.Confirmations {
+			if receipt.BlockNumber.Uint64() <= confirmed {
 				s.pendingTxs.Delete(key)
 				// send confirm message
 				s.confirmCh <- &Confirmation{
@@ -357,9 +384,43 @@ func (s *Sender) CheckPendingTransaction(header *types.Header) {
 			}
 		} else if s.config.EscalateBlocks+pending.submitAt < number {
 			var tx *types.Transaction
-			tx, err := s.resubmitTransaction(pending.feeData, pending.tx)
+			tx, err := s.resubmitTransaction(pending.feeData, pending.signer, pending.tx)
 			if err != nil {
-				log.Error("failed to resubmit transaction, reset submitAt", "tx hash", pending.tx.Hash().String(), "err", err)
+				// If account pool is empty, it will try again in next loop.
+				if !errors.Is(err, ErrNoAvailableAccount) {
+					log.Error("failed to resubmit transaction, reset submitAt", "tx hash", pending.tx.Hash().String(), "err", err)
+				}
+				// This means one of the old transactions is confirmed
+				// One scenario is
+				//   1. Initially, we replace the tx three times and submit it to local node.
+				//      Currently, we keep the last tx hash in the memory.
+				//   2. Other node packed the 2-nd tx or 3-rd tx, and the local node has received the block now.
+				//   3. When we resubmit the 4-th tx, we got a nonce error.
+				//   4. We need to check the status of 3-rd tx stored in our memory
+				//     4.1 If the 3-rd tx is packed, we got a receipt and 3-nd is marked as confirmed.
+				//     4.2 If the 2-nd tx is packed, we got nothing from `TransactionReceipt` call. Since we
+				//         cannot do  anything about, we just log some information. In this case, the caller
+				//         of `sender.SendTransaction` should write extra code to handle the situation.
+				// Another scenario is private key leaking and someone send a transaction with the same nonce.
+				// We need to stop the program and manually handle the situation.
+				if strings.Contains(err.Error(), "nonce") {
+					// This key can be deleted
+					s.pendingTxs.Delete(key)
+					// Try get receipt by the latest replaced tx hash
+					receipt, err := s.client.TransactionReceipt(s.ctx, pending.tx.Hash())
+					if (err == nil) && (receipt != nil) {
+						// send confirm message
+						s.confirmCh <- &Confirmation{
+							ID:           pending.id,
+							IsSuccessful: receipt.Status == types.ReceiptStatusSuccessful,
+							TxHash:       pending.tx.Hash(),
+						}
+					} else {
+						// The receipt can be nil since the confirmed transaction may not be the latest one.
+						// We just ignore it, the caller of the sender pool should handle this situation.
+						log.Warn("Pending transaction is confirmed by one of the replaced transactions", "key", key, "signer", pending.signer.From, "nonce", pending.tx.Nonce())
+					}
+				}
 			} else {
 				// flush submitAt
 				pending.tx = tx
@@ -371,10 +432,13 @@ func (s *Sender) CheckPendingTransaction(header *types.Header) {
 }
 
 // Loop is the main event loop
-func (s *Sender) loop() {
-	t := time.Duration(s.config.CheckPendingTime) * time.Second
-	checkTick := time.NewTicker(t)
+func (s *Sender) loop(ctx context.Context) {
+	checkTick := time.NewTicker(time.Duration(s.config.CheckPendingTime) * time.Second)
 	defer checkTick.Stop()
+
+	checkBalanceTicker := time.NewTicker(time.Minute * 10)
+	defer checkBalanceTicker.Stop()
+
 	for {
 		select {
 		case <-checkTick.C:
@@ -383,18 +447,19 @@ func (s *Sender) loop() {
 				log.Error("failed to get latest head", "err", err)
 				continue
 			}
-			s.CheckPendingTransaction(header)
-		case err := <-s.sendTxErrCh:
-			// redress nonce
-			if strings.Contains(err.Error(), "nonce") {
-				if nonce, err := s.client.PendingNonceAt(s.ctx, s.auth.From); err != nil {
-					log.Error("failed to get pending nonce", "address", s.auth.From.String(), "err", err)
-				} else {
-					s.mu.Lock()
-					s.auth.Nonce = big.NewInt(int64(nonce))
-					s.mu.Unlock()
-				}
+
+			confirmed, err := utils.GetLatestConfirmedBlockNumber(s.ctx, s.client, s.config.Confirmations)
+			if err != nil {
+				log.Error("failed to get latest confirmed block number", "err", err)
+				continue
 			}
+
+			s.checkPendingTransaction(header, confirmed)
+		case <-checkBalanceTicker.C:
+			// Check and set balance.
+			_ = s.auths.checkAndSetBalances(ctx)
+		case <-ctx.Done():
+			return
 		case <-s.stopCh:
 			return
 		}

bridge/sender/sender_test.go

@@ -3,6 +3,7 @@ package sender_test
 import (
 	"context"
 	"crypto/ecdsa"
+	"errors"
 	"math/big"
 	"strconv"
 	"testing"
@@ -13,107 +14,113 @@ import (
 	cmap "github.com/orcaman/concurrent-map"
 	"github.com/scroll-tech/go-ethereum/common"
 	"github.com/scroll-tech/go-ethereum/crypto"
+	"github.com/scroll-tech/go-ethereum/rpc"
 	"github.com/stretchr/testify/assert"
 
 	"scroll-tech/common/docker"
 
 	"scroll-tech/bridge/config"
-	"scroll-tech/bridge/mock"
 	"scroll-tech/bridge/sender"
 )
 
-const TX_BATCH = 100
+const TXBatch = 50
 
 var (
-	TestConfig = &mock.TestConfig{
-		L1GethTestConfig: mock.L1GethTestConfig{
-			HPort: 0,
-			WPort: 8576,
-		},
-	}
-
-	l1gethImg docker.ImgInstance
-	private   *ecdsa.PrivateKey
+	privateKeys []*ecdsa.PrivateKey
+	cfg         *config.Config
+	l2gethImg   docker.ImgInstance
 )
 
 func setupEnv(t *testing.T) {
-	cfg, err := config.NewConfig("../config.json")
+	var err error
+	cfg, err = config.NewConfig("../config.json")
 	assert.NoError(t, err)
-	prv, err := crypto.HexToECDSA(cfg.L2Config.RelayerConfig.PrivateKey)
+
+	priv, err := crypto.HexToECDSA("1212121212121212121212121212121212121212121212121212121212121212")
 	assert.NoError(t, err)
-	private = prv
-	l1gethImg = mock.NewTestL1Docker(t, TestConfig)
+	// Load default private key.
+	privateKeys = []*ecdsa.PrivateKey{priv}
+
+	l2gethImg = docker.NewTestL2Docker(t)
+	cfg.L1Config.RelayerConfig.SenderConfig.Endpoint = l2gethImg.Endpoint()
 }
 
-func TestFunction(t *testing.T) {
+func TestSender(t *testing.T) {
 	// Setup
 	setupEnv(t)
-	t.Run("test Run sender", func(t *testing.T) {
-		// set config
-		cfg, err := config.NewConfig("../config.json")
-		assert.NoError(t, err)
-		cfg.L2Config.RelayerConfig.SenderConfig.Endpoint = l1gethImg.Endpoint()
 
-		// create newSender
-		newSender, err := sender.NewSender(context.Background(), cfg.L2Config.RelayerConfig.SenderConfig, private)
-		assert.NoError(t, err)
-		defer newSender.Stop()
+	t.Run("test 1 account sender", func(t *testing.T) { testBatchSender(t, 1) })
+	t.Run("test 3 account sender", func(t *testing.T) { testBatchSender(t, 3) })
+	t.Run("test 8 account sender", func(t *testing.T) { testBatchSender(t, 8) })
 
-		assert.NoError(t, err)
-
-		// send transactions
-		idCache := cmap.New()
-		confirmCh := newSender.ConfirmChan()
-		var (
-			eg    errgroup.Group
-			errCh chan error
-		)
-		go func() {
-			for i := 0; i < TX_BATCH; i++ {
-				//toAddr := common.HexToAddress("0x4592d8f8d7b001e72cb26a73e4fa1806a51ac79d")
-				toAddr := common.BigToAddress(big.NewInt(int64(i + 1000)))
-				id := strconv.Itoa(i + 1000)
-				eg.Go(func() error {
-					txHash, err := newSender.SendTransaction(id, &toAddr, big.NewInt(1), nil)
-					if err != nil {
-						t.Error("failed to send tx", "err", err)
-						return err
-					}
-					t.Log("successful send a tx", "ID", id, "tx hash", txHash.String())
-					idCache.Set(id, struct{}{})
-					return nil
-				})
-			}
-			errCh <- eg.Wait()
-		}()
-
-		// avoid 10 mins cause testcase panic
-		after := time.After(60 * time.Second)
-		for {
-			select {
-			case cmsg := <-confirmCh:
-				t.Log("get confirmations of", "ID: ", cmsg.ID, "status: ", cmsg.IsSuccessful)
-				assert.Equal(t, true, cmsg.IsSuccessful)
-				_, exist := idCache.Pop(cmsg.ID)
-				assert.Equal(t, true, exist)
-				// Receive all confirmed txs.
-				if idCache.Count() == 0 {
-					return
-				}
-			case err := <-errCh:
-				if err != nil {
-					t.Errorf("failed to send tx, err: %v", err)
-					return
-				}
-				assert.NoError(t, err)
-			case <-after:
-				t.Logf("newSender test failed because timeout")
-				t.FailNow()
-			}
-		}
-	})
 	// Teardown
 	t.Cleanup(func() {
-		assert.NoError(t, l1gethImg.Stop())
+		assert.NoError(t, l2gethImg.Stop())
 	})
 }
+
+func testBatchSender(t *testing.T, batchSize int) {
+	for len(privateKeys) < batchSize {
+		priv, err := crypto.GenerateKey()
+		if err != nil {
+			t.Fatal(err)
+		}
+		privateKeys = append(privateKeys, priv)
+	}
+
+	senderCfg := cfg.L1Config.RelayerConfig.SenderConfig
+	senderCfg.Confirmations = rpc.LatestBlockNumber
+	newSender, err := sender.NewSender(context.Background(), senderCfg, privateKeys)
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer newSender.Stop()
+
+	// send transactions
+	var (
+		eg        errgroup.Group
+		idCache   = cmap.New()
+		confirmCh = newSender.ConfirmChan()
+	)
+	for idx := 0; idx < newSender.NumberOfAccounts(); idx++ {
+		index := idx
+		eg.Go(func() error {
+			for i := 0; i < TXBatch; i++ {
+				toAddr := common.HexToAddress("0x4592d8f8d7b001e72cb26a73e4fa1806a51ac79d")
+				id := strconv.Itoa(i + index*1000)
+				_, err := newSender.SendTransaction(id, &toAddr, big.NewInt(1), nil)
+				if errors.Is(err, sender.ErrNoAvailableAccount) {
+					<-time.After(time.Second)
+					continue
+				}
+				if err != nil {
+					return err
+				}
+				idCache.Set(id, struct{}{})
+			}
+			return nil
+		})
+	}
+	if err := eg.Wait(); err != nil {
+		t.Error(err)
+	}
+	t.Logf("successful send batch txs, batch size: %d, total count: %d", newSender.NumberOfAccounts(), TXBatch*newSender.NumberOfAccounts())
+
+	// avoid 10 mins cause testcase panic
+	after := time.After(80 * time.Second)
+	for {
+		select {
+		case cmsg := <-confirmCh:
+			assert.Equal(t, true, cmsg.IsSuccessful)
+			_, exist := idCache.Pop(cmsg.ID)
+			assert.Equal(t, true, exist)
+			// Receive all confirmed txs.
+			if idCache.Count() == 0 {
+				return
+			}
+		case <-after:
+			t.Error("newSender test failed because of timeout")
+			return
+		}
+	}
+}

bridge/tests/bridge_test.go

@@ -0,0 +1,223 @@
+package tests
+
+import (
+	"context"
+	"crypto/ecdsa"
+	"math/big"
+	"testing"
+
+	"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"
+
+	"scroll-tech/bridge/config"
+	"scroll-tech/bridge/mock_bridge"
+
+	"scroll-tech/common/docker"
+)
+
+var (
+	// config
+	cfg *config.Config
+
+	// private key
+	privateKey *ecdsa.PrivateKey
+
+	// docker consider handler.
+	l1gethImg docker.ImgInstance
+	l2gethImg docker.ImgInstance
+	dbImg     docker.ImgInstance
+
+	// clients
+	l1Client *ethclient.Client
+	l2Client *ethclient.Client
+
+	// auth
+	l1Auth *bind.TransactOpts
+	l2Auth *bind.TransactOpts
+
+	// l1 messenger contract
+	l1MessengerInstance *mock_bridge.MockBridgeL1
+	l1MessengerAddress  common.Address
+
+	// l1 rollup contract
+	scrollChainInstance *mock_bridge.MockBridgeL1
+	scrollChainAddress  common.Address
+
+	// l2 messenger contract
+	l2MessengerInstance *mock_bridge.MockBridgeL2
+	l2MessengerAddress  common.Address
+)
+
+func setupEnv(t *testing.T) {
+	var err error
+	privateKey, err = crypto.ToECDSA(common.FromHex("1212121212121212121212121212121212121212121212121212121212121212"))
+	assert.NoError(t, err)
+	messagePrivateKey, err := crypto.ToECDSA(common.FromHex("1212121212121212121212121212121212121212121212121212121212121213"))
+	assert.NoError(t, err)
+	rollupPrivateKey, err := crypto.ToECDSA(common.FromHex("1212121212121212121212121212121212121212121212121212121212121214"))
+	assert.NoError(t, err)
+	gasOraclePrivateKey, err := crypto.ToECDSA(common.FromHex("1212121212121212121212121212121212121212121212121212121212121215"))
+	assert.NoError(t, err)
+
+	// Load config.
+	cfg, err = config.NewConfig("../config.json")
+	assert.NoError(t, err)
+	cfg.L1Config.Confirmations = rpc.LatestBlockNumber
+	cfg.L1Config.RelayerConfig.MessageSenderPrivateKeys = []*ecdsa.PrivateKey{messagePrivateKey}
+	cfg.L1Config.RelayerConfig.RollupSenderPrivateKeys = []*ecdsa.PrivateKey{rollupPrivateKey}
+	cfg.L1Config.RelayerConfig.GasOracleSenderPrivateKeys = []*ecdsa.PrivateKey{gasOraclePrivateKey}
+	cfg.L2Config.Confirmations = rpc.LatestBlockNumber
+	cfg.L2Config.RelayerConfig.MessageSenderPrivateKeys = []*ecdsa.PrivateKey{messagePrivateKey}
+	cfg.L2Config.RelayerConfig.RollupSenderPrivateKeys = []*ecdsa.PrivateKey{rollupPrivateKey}
+	cfg.L2Config.RelayerConfig.GasOracleSenderPrivateKeys = []*ecdsa.PrivateKey{gasOraclePrivateKey}
+
+	// Create l1geth container.
+	l1gethImg = docker.NewTestL1Docker(t)
+	cfg.L2Config.RelayerConfig.SenderConfig.Endpoint = l1gethImg.Endpoint()
+	cfg.L1Config.Endpoint = l1gethImg.Endpoint()
+
+	// Create l2geth container.
+	l2gethImg = docker.NewTestL2Docker(t)
+	cfg.L1Config.RelayerConfig.SenderConfig.Endpoint = l2gethImg.Endpoint()
+	cfg.L2Config.Endpoint = l2gethImg.Endpoint()
+
+	// Create db container.
+	dbImg = docker.NewTestDBDocker(t, cfg.DBConfig.DriverName)
+	cfg.DBConfig.DSN = dbImg.Endpoint()
+
+	// Create l1geth and l2geth client.
+	l1Client, err = ethclient.Dial(cfg.L1Config.Endpoint)
+	assert.NoError(t, err)
+	l2Client, err = ethclient.Dial(cfg.L2Config.Endpoint)
+	assert.NoError(t, err)
+
+	// Create l1 and l2 auth
+	l1Auth = prepareAuth(t, l1Client, privateKey)
+	l2Auth = prepareAuth(t, l2Client, privateKey)
+
+	// send some balance to message and rollup sender
+	transferEther(t, l1Auth, l1Client, messagePrivateKey)
+	transferEther(t, l1Auth, l1Client, rollupPrivateKey)
+	transferEther(t, l1Auth, l1Client, gasOraclePrivateKey)
+	transferEther(t, l2Auth, l2Client, messagePrivateKey)
+	transferEther(t, l2Auth, l2Client, rollupPrivateKey)
+	transferEther(t, l2Auth, l2Client, gasOraclePrivateKey)
+}
+
+func transferEther(t *testing.T, auth *bind.TransactOpts, client *ethclient.Client, privateKey *ecdsa.PrivateKey) {
+	targetAddress := crypto.PubkeyToAddress(privateKey.PublicKey)
+
+	gasPrice, err := client.SuggestGasPrice(context.Background())
+	assert.NoError(t, err)
+	gasPrice.Mul(gasPrice, big.NewInt(2))
+
+	// Get pending nonce
+	nonce, err := client.PendingNonceAt(context.Background(), auth.From)
+	assert.NoError(t, err)
+
+	// 200 ether should be enough
+	value, ok := big.NewInt(0).SetString("0xad78ebc5ac6200000", 0)
+	assert.Equal(t, ok, true)
+
+	tx := types.NewTx(&types.LegacyTx{
+		Nonce:    nonce,
+		To:       &targetAddress,
+		Value:    value,
+		Gas:      500000,
+		GasPrice: gasPrice,
+	})
+	signedTx, err := auth.Signer(auth.From, tx)
+	assert.NoError(t, err)
+
+	err = client.SendTransaction(context.Background(), signedTx)
+	assert.NoError(t, err)
+
+	receipt, err := bind.WaitMined(context.Background(), client, signedTx)
+	assert.NoError(t, err)
+	if receipt.Status != types.ReceiptStatusSuccessful {
+		t.Fatalf("Call failed")
+	}
+}
+
+func free(t *testing.T) {
+	if dbImg != nil {
+		assert.NoError(t, dbImg.Stop())
+	}
+	if l1gethImg != nil {
+		assert.NoError(t, l1gethImg.Stop())
+	}
+	if l2gethImg != nil {
+		assert.NoError(t, l2gethImg.Stop())
+	}
+}
+
+func prepareContracts(t *testing.T) {
+	var err error
+	var tx *types.Transaction
+
+	// L1 messenger contract
+	_, tx, l1MessengerInstance, err = mock_bridge.DeployMockBridgeL1(l1Auth, l1Client)
+	assert.NoError(t, err)
+	l1MessengerAddress, err = bind.WaitDeployed(context.Background(), l1Client, tx)
+	assert.NoError(t, err)
+
+	// L1 ScrolChain contract
+	_, tx, scrollChainInstance, err = mock_bridge.DeployMockBridgeL1(l1Auth, l1Client)
+	assert.NoError(t, err)
+	scrollChainAddress, err = bind.WaitDeployed(context.Background(), l1Client, tx)
+	assert.NoError(t, err)
+
+	// L2 messenger contract
+	_, tx, l2MessengerInstance, err = mock_bridge.DeployMockBridgeL2(l2Auth, l2Client)
+	assert.NoError(t, err)
+	l2MessengerAddress, err = bind.WaitDeployed(context.Background(), l2Client, tx)
+	assert.NoError(t, err)
+
+	cfg.L1Config.L1MessengerAddress = l1MessengerAddress
+	cfg.L1Config.L1MessageQueueAddress = l1MessengerAddress
+	cfg.L1Config.ScrollChainContractAddress = scrollChainAddress
+	cfg.L1Config.RelayerConfig.MessengerContractAddress = l2MessengerAddress
+	cfg.L1Config.RelayerConfig.GasPriceOracleContractAddress = l1MessengerAddress
+
+	cfg.L2Config.L2MessengerAddress = l2MessengerAddress
+	cfg.L2Config.L2MessageQueueAddress = l2MessengerAddress
+	cfg.L2Config.RelayerConfig.MessengerContractAddress = l1MessengerAddress
+	cfg.L2Config.RelayerConfig.RollupContractAddress = scrollChainAddress
+	cfg.L2Config.RelayerConfig.GasPriceOracleContractAddress = l2MessengerAddress
+}
+
+func prepareAuth(t *testing.T, client *ethclient.Client, privateKey *ecdsa.PrivateKey) *bind.TransactOpts {
+	chainID, err := client.ChainID(context.Background())
+	assert.NoError(t, err)
+	auth, err := bind.NewKeyedTransactorWithChainID(privateKey, chainID)
+	assert.NoError(t, err)
+	auth.Value = big.NewInt(0) // in wei
+	assert.NoError(t, err)
+	return auth
+}
+
+func TestFunction(t *testing.T) {
+	setupEnv(t)
+
+	// l1 rollup and watch rollup events
+	t.Run("TestCommitBatchAndFinalizeBatch", testCommitBatchAndFinalizeBatch)
+
+	// l1 message
+	t.Run("TestRelayL1MessageSucceed", testRelayL1MessageSucceed)
+
+	// l2 message
+	t.Run("TestRelayL2MessageSucceed", testRelayL2MessageSucceed)
+
+	// l1/l2 gas oracle
+	t.Run("TestImportL1GasPrice", testImportL1GasPrice)
+	t.Run("TestImportL2GasPrice", testImportL2GasPrice)
+
+	t.Cleanup(func() {
+		free(t)
+	})
+}

bridge/tests/gas_oracle_test.go

@@ -0,0 +1,129 @@
+package tests
+
+import (
+	"context"
+	"math/big"
+	"testing"
+
+	"github.com/scroll-tech/go-ethereum/common"
+	geth_types "github.com/scroll-tech/go-ethereum/core/types"
+	"github.com/stretchr/testify/assert"
+
+	"scroll-tech/common/types"
+
+	"scroll-tech/bridge/l1"
+	"scroll-tech/bridge/l2"
+
+	"scroll-tech/database"
+	"scroll-tech/database/migrate"
+)
+
+func testImportL1GasPrice(t *testing.T) {
+	// Create db handler and reset db.
+	db, err := database.NewOrmFactory(cfg.DBConfig)
+	assert.NoError(t, err)
+	assert.NoError(t, migrate.ResetDB(db.GetDB().DB))
+	defer db.Close()
+
+	prepareContracts(t)
+
+	l1Cfg := cfg.L1Config
+
+	// Create L1Relayer
+	l1Relayer, err := l1.NewLayer1Relayer(context.Background(), db, l1Cfg.RelayerConfig)
+	assert.NoError(t, err)
+	defer l1Relayer.Stop()
+
+	// Create L1Watcher
+	startHeight, err := l1Client.BlockNumber(context.Background())
+	assert.NoError(t, err)
+	l1Watcher := l1.NewWatcher(context.Background(), l1Client, startHeight-1, 0, l1Cfg.L1MessengerAddress, l1Cfg.L1MessageQueueAddress, l1Cfg.ScrollChainContractAddress, db)
+
+	// fetch new blocks
+	number, err := l1Client.BlockNumber(context.Background())
+	assert.Greater(t, number, startHeight-1)
+	assert.NoError(t, err)
+	err = l1Watcher.FetchBlockHeader(number)
+	assert.NoError(t, err)
+
+	// check db status
+	latestBlockHeight, err := db.GetLatestL1BlockHeight()
+	assert.NoError(t, err)
+	assert.Equal(t, number, latestBlockHeight)
+	blocks, err := db.GetL1BlockInfos(map[string]interface{}{
+		"number": latestBlockHeight,
+	})
+	assert.NoError(t, err)
+	assert.Equal(t, len(blocks), 1)
+	assert.Equal(t, blocks[0].GasOracleStatus, types.GasOraclePending)
+	assert.Equal(t, blocks[0].OracleTxHash.Valid, false)
+
+	// relay gas price
+	l1Relayer.ProcessGasPriceOracle()
+	blocks, err = db.GetL1BlockInfos(map[string]interface{}{
+		"number": latestBlockHeight,
+	})
+	assert.NoError(t, err)
+	assert.Equal(t, len(blocks), 1)
+	assert.Equal(t, blocks[0].GasOracleStatus, types.GasOracleImporting)
+	assert.Equal(t, blocks[0].OracleTxHash.Valid, true)
+}
+
+func testImportL2GasPrice(t *testing.T) {
+	// Create db handler and reset db.
+	db, err := database.NewOrmFactory(cfg.DBConfig)
+	assert.NoError(t, err)
+	assert.NoError(t, migrate.ResetDB(db.GetDB().DB))
+	defer db.Close()
+
+	prepareContracts(t)
+
+	l2Cfg := cfg.L2Config
+
+	// Create L2Relayer
+	l2Relayer, err := l2.NewLayer2Relayer(context.Background(), l2Client, db, l2Cfg.RelayerConfig)
+	assert.NoError(t, err)
+	defer l2Relayer.Stop()
+
+	// add fake blocks
+	traces := []*geth_types.BlockTrace{
+		{
+			Header: &geth_types.Header{
+				Number:     big.NewInt(1),
+				ParentHash: common.Hash{},
+				Difficulty: big.NewInt(0),
+				BaseFee:    big.NewInt(0),
+			},
+			StorageTrace: &geth_types.StorageTrace{},
+		},
+	}
+	err = db.InsertL2BlockTraces(traces)
+	assert.NoError(t, err)
+
+	parentBatch := &types.BlockBatch{
+		Index: 0,
+		Hash:  "0x0000000000000000000000000000000000000000",
+	}
+	batchData := types.NewBatchData(parentBatch, []*geth_types.BlockTrace{
+		traces[0],
+	}, cfg.L2Config.BatchProposerConfig.PublicInputConfig)
+
+	// add fake batch
+	dbTx, err := db.Beginx()
+	assert.NoError(t, err)
+	assert.NoError(t, db.NewBatchInDBTx(dbTx, batchData))
+	assert.NoError(t, dbTx.Commit())
+
+	// check db status
+	batch, err := db.GetLatestBatch()
+	assert.NoError(t, err)
+	assert.Equal(t, batch.OracleStatus, types.GasOraclePending)
+	assert.Equal(t, batch.OracleTxHash.Valid, false)
+
+	// relay gas price
+	l2Relayer.ProcessGasPriceOracle()
+	batch, err = db.GetLatestBatch()
+	assert.NoError(t, err)
+	assert.Equal(t, batch.OracleStatus, types.GasOracleImporting)
+	assert.Equal(t, batch.OracleTxHash.Valid, true)
+}

bridge/tests/l1_message_relay_test.go

@@ -0,0 +1,86 @@
+package tests
+
+import (
+	"context"
+	"math/big"
+	"testing"
+
+	"github.com/scroll-tech/go-ethereum/accounts/abi/bind"
+	"github.com/scroll-tech/go-ethereum/common"
+	geth_types "github.com/scroll-tech/go-ethereum/core/types"
+	"github.com/scroll-tech/go-ethereum/rpc"
+	"github.com/stretchr/testify/assert"
+
+	"scroll-tech/common/types"
+
+	"scroll-tech/bridge/l1"
+	"scroll-tech/bridge/l2"
+
+	"scroll-tech/database"
+	"scroll-tech/database/migrate"
+)
+
+func testRelayL1MessageSucceed(t *testing.T) {
+	// Create db handler and reset db.
+	db, err := database.NewOrmFactory(cfg.DBConfig)
+	assert.NoError(t, err)
+	assert.NoError(t, migrate.ResetDB(db.GetDB().DB))
+	defer db.Close()
+
+	prepareContracts(t)
+
+	l1Cfg := cfg.L1Config
+	l2Cfg := cfg.L2Config
+
+	// Create L1Relayer
+	l1Relayer, err := l1.NewLayer1Relayer(context.Background(), db, l1Cfg.RelayerConfig)
+	assert.NoError(t, err)
+	defer l1Relayer.Stop()
+
+	// Create L1Watcher
+	confirmations := rpc.LatestBlockNumber
+	l1Watcher := l1.NewWatcher(context.Background(), l1Client, 0, confirmations, l1Cfg.L1MessengerAddress, l1Cfg.L1MessageQueueAddress, l1Cfg.ScrollChainContractAddress, db)
+
+	// Create L2Watcher
+	l2Watcher := l2.NewL2WatcherClient(context.Background(), l2Client, confirmations, l2Cfg.L2MessengerAddress, l2Cfg.L2MessageQueueAddress, db)
+
+	// send message through l1 messenger contract
+	nonce, err := l1MessengerInstance.MessageNonce(&bind.CallOpts{})
+	assert.NoError(t, err)
+	sendTx, err := l1MessengerInstance.SendMessage(l1Auth, l2Auth.From, big.NewInt(0), common.Hex2Bytes("00112233"), big.NewInt(0))
+	assert.NoError(t, err)
+	sendReceipt, err := bind.WaitMined(context.Background(), l1Client, sendTx)
+	assert.NoError(t, err)
+	if sendReceipt.Status != geth_types.ReceiptStatusSuccessful || err != nil {
+		t.Fatalf("Call failed")
+	}
+
+	// l1 watch process events
+	l1Watcher.FetchContractEvent(sendReceipt.BlockNumber.Uint64())
+
+	// check db status
+	msg, err := db.GetL1MessageByQueueIndex(nonce.Uint64())
+	assert.NoError(t, err)
+	assert.Equal(t, msg.Status, types.MsgPending)
+	assert.Equal(t, msg.Target, l2Auth.From.String())
+
+	// process l1 messages
+	l1Relayer.ProcessSavedEvents()
+	msg, err = db.GetL1MessageByQueueIndex(nonce.Uint64())
+	assert.NoError(t, err)
+	assert.Equal(t, msg.Status, types.MsgSubmitted)
+	relayTxHash, err := db.GetRelayL1MessageTxHash(nonce.Uint64())
+	assert.NoError(t, err)
+	assert.Equal(t, true, relayTxHash.Valid)
+	relayTx, _, err := l2Client.TransactionByHash(context.Background(), common.HexToHash(relayTxHash.String))
+	assert.NoError(t, err)
+	relayTxReceipt, err := bind.WaitMined(context.Background(), l2Client, relayTx)
+	assert.NoError(t, err)
+	assert.Equal(t, len(relayTxReceipt.Logs), 1)
+
+	// fetch message relayed events
+	l2Watcher.FetchContractEvent(relayTxReceipt.BlockNumber.Uint64())
+	msg, err = db.GetL1MessageByQueueIndex(nonce.Uint64())
+	assert.NoError(t, err)
+	assert.Equal(t, msg.Status, types.MsgConfirmed)
+}

bridge/tests/l2_message_relay_test.go

@@ -0,0 +1,173 @@
+package tests
+
+import (
+	"context"
+	"math/big"
+	"testing"
+
+	"github.com/scroll-tech/go-ethereum/accounts/abi/bind"
+	"github.com/scroll-tech/go-ethereum/common"
+	geth_types "github.com/scroll-tech/go-ethereum/core/types"
+	"github.com/scroll-tech/go-ethereum/rpc"
+	"github.com/stretchr/testify/assert"
+
+	"scroll-tech/common/types"
+
+	"scroll-tech/bridge/l1"
+	"scroll-tech/bridge/l2"
+
+	"scroll-tech/database"
+	"scroll-tech/database/migrate"
+)
+
+func testRelayL2MessageSucceed(t *testing.T) {
+	// Create db handler and reset db.
+	db, err := database.NewOrmFactory(cfg.DBConfig)
+	assert.NoError(t, err)
+	assert.NoError(t, migrate.ResetDB(db.GetDB().DB))
+	defer db.Close()
+
+	prepareContracts(t)
+
+	l2Cfg := cfg.L2Config
+
+	// Create L2Watcher
+	confirmations := rpc.LatestBlockNumber
+	l2Watcher := l2.NewL2WatcherClient(context.Background(), l2Client, confirmations, l2Cfg.L2MessengerAddress, l2Cfg.L2MessageQueueAddress, db)
+
+	// Create L2Relayer
+	l2Relayer, err := l2.NewLayer2Relayer(context.Background(), l2Client, db, l2Cfg.RelayerConfig)
+	assert.NoError(t, err)
+
+	// Create L1Watcher
+	l1Cfg := cfg.L1Config
+	l1Watcher := l1.NewWatcher(context.Background(), l1Client, 0, confirmations, l1Cfg.L1MessengerAddress, l1Cfg.L1MessageQueueAddress, l1Cfg.ScrollChainContractAddress, db)
+
+	// send message through l2 messenger contract
+	nonce, err := l2MessengerInstance.MessageNonce(&bind.CallOpts{})
+	assert.NoError(t, err)
+	sendTx, err := l2MessengerInstance.SendMessage(l2Auth, l1Auth.From, big.NewInt(0), common.Hex2Bytes("00112233"), big.NewInt(0))
+	assert.NoError(t, err)
+	sendReceipt, err := bind.WaitMined(context.Background(), l2Client, sendTx)
+	assert.NoError(t, err)
+	if sendReceipt.Status != geth_types.ReceiptStatusSuccessful || err != nil {
+		t.Fatalf("Call failed")
+	}
+
+	// l2 watch process events
+	l2Watcher.FetchContractEvent(sendReceipt.BlockNumber.Uint64())
+
+	// check db status
+	msg, err := db.GetL2MessageByNonce(nonce.Uint64())
+	assert.NoError(t, err)
+	assert.Equal(t, msg.Status, types.MsgPending)
+	assert.Equal(t, msg.Sender, l2Auth.From.String())
+	assert.Equal(t, msg.Target, l1Auth.From.String())
+
+	// add fake blocks
+	traces := []*geth_types.BlockTrace{
+		{
+			Header: &geth_types.Header{
+				Number:     sendReceipt.BlockNumber,
+				ParentHash: common.Hash{},
+				Difficulty: big.NewInt(0),
+				BaseFee:    big.NewInt(0),
+			},
+			StorageTrace: &geth_types.StorageTrace{},
+		},
+	}
+	err = db.InsertL2BlockTraces(traces)
+	assert.NoError(t, err)
+
+	parentBatch := &types.BlockBatch{
+		Index: 0,
+		Hash:  "0x0000000000000000000000000000000000000000",
+	}
+	batchData := types.NewBatchData(parentBatch, []*geth_types.BlockTrace{
+		traces[0],
+	}, cfg.L2Config.BatchProposerConfig.PublicInputConfig)
+	batchHash := batchData.Hash().String()
+
+	// add fake batch
+	dbTx, err := db.Beginx()
+	assert.NoError(t, err)
+	assert.NoError(t, db.NewBatchInDBTx(dbTx, batchData))
+	var blockIDs = make([]uint64, len(batchData.Batch.Blocks))
+	for i, block := range batchData.Batch.Blocks {
+		blockIDs[i] = block.BlockNumber
+	}
+	err = db.SetBatchHashForL2BlocksInDBTx(dbTx, blockIDs, batchHash)
+	assert.NoError(t, err)
+	assert.NoError(t, dbTx.Commit())
+
+	// add dummy proof
+	tProof := []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31}
+	tInstanceCommitments := []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31}
+	err = db.UpdateProofByHash(context.Background(), batchHash, tProof, tInstanceCommitments, 100)
+	assert.NoError(t, err)
+	err = db.UpdateProvingStatus(batchHash, types.ProvingTaskVerified)
+	assert.NoError(t, err)
+
+	// process pending batch and check status
+	l2Relayer.SendCommitTx([]*types.BatchData{batchData})
+	status, err := db.GetRollupStatus(batchHash)
+	assert.NoError(t, err)
+	assert.Equal(t, types.RollupCommitting, status)
+	commitTxHash, err := db.GetCommitTxHash(batchHash)
+	assert.NoError(t, err)
+	assert.Equal(t, true, commitTxHash.Valid)
+	commitTx, _, err := l1Client.TransactionByHash(context.Background(), common.HexToHash(commitTxHash.String))
+	assert.NoError(t, err)
+	commitTxReceipt, err := bind.WaitMined(context.Background(), l1Client, commitTx)
+	assert.NoError(t, err)
+	assert.Equal(t, len(commitTxReceipt.Logs), 1)
+
+	// fetch CommitBatch rollup events
+	err = l1Watcher.FetchContractEvent(commitTxReceipt.BlockNumber.Uint64())
+	assert.NoError(t, err)
+	status, err = db.GetRollupStatus(batchHash)
+	assert.NoError(t, err)
+	assert.Equal(t, types.RollupCommitted, status)
+
+	// process committed batch and check status
+	l2Relayer.ProcessCommittedBatches()
+	status, err = db.GetRollupStatus(batchHash)
+	assert.NoError(t, err)
+	assert.Equal(t, types.RollupFinalizing, status)
+	finalizeTxHash, err := db.GetFinalizeTxHash(batchHash)
+	assert.NoError(t, err)
+	assert.Equal(t, true, finalizeTxHash.Valid)
+	finalizeTx, _, err := l1Client.TransactionByHash(context.Background(), common.HexToHash(finalizeTxHash.String))
+	assert.NoError(t, err)
+	finalizeTxReceipt, err := bind.WaitMined(context.Background(), l1Client, finalizeTx)
+	assert.NoError(t, err)
+	assert.Equal(t, len(finalizeTxReceipt.Logs), 1)
+
+	// fetch FinalizeBatch events
+	err = l1Watcher.FetchContractEvent(finalizeTxReceipt.BlockNumber.Uint64())
+	assert.NoError(t, err)
+	status, err = db.GetRollupStatus(batchHash)
+	assert.NoError(t, err)
+	assert.Equal(t, types.RollupFinalized, status)
+
+	// process l2 messages
+	l2Relayer.ProcessSavedEvents()
+	msg, err = db.GetL2MessageByNonce(nonce.Uint64())
+	assert.NoError(t, err)
+	assert.Equal(t, msg.Status, types.MsgSubmitted)
+	relayTxHash, err := db.GetRelayL2MessageTxHash(nonce.Uint64())
+	assert.NoError(t, err)
+	assert.Equal(t, true, relayTxHash.Valid)
+	relayTx, _, err := l1Client.TransactionByHash(context.Background(), common.HexToHash(relayTxHash.String))
+	assert.NoError(t, err)
+	relayTxReceipt, err := bind.WaitMined(context.Background(), l1Client, relayTx)
+	assert.NoError(t, err)
+	assert.Equal(t, len(relayTxReceipt.Logs), 1)
+
+	// fetch message relayed events
+	err = l1Watcher.FetchContractEvent(relayTxReceipt.BlockNumber.Uint64())
+	assert.NoError(t, err)
+	msg, err = db.GetL2MessageByNonce(nonce.Uint64())
+	assert.NoError(t, err)
+	assert.Equal(t, msg.Status, types.MsgConfirmed)
+}

bridge/tests/rollup_test.go

@@ -0,0 +1,134 @@
+package tests
+
+import (
+	"context"
+	"math/big"
+	"testing"
+
+	"github.com/scroll-tech/go-ethereum/accounts/abi/bind"
+	"github.com/scroll-tech/go-ethereum/common"
+	geth_types "github.com/scroll-tech/go-ethereum/core/types"
+	"github.com/stretchr/testify/assert"
+
+	"scroll-tech/common/types"
+
+	"scroll-tech/bridge/l1"
+	"scroll-tech/bridge/l2"
+
+	"scroll-tech/database"
+	"scroll-tech/database/migrate"
+)
+
+func testCommitBatchAndFinalizeBatch(t *testing.T) {
+	// Create db handler and reset db.
+	db, err := database.NewOrmFactory(cfg.DBConfig)
+	assert.NoError(t, err)
+	assert.NoError(t, migrate.ResetDB(db.GetDB().DB))
+	defer db.Close()
+
+	prepareContracts(t)
+
+	// Create L2Relayer
+	l2Cfg := cfg.L2Config
+	l2Relayer, err := l2.NewLayer2Relayer(context.Background(), l2Client, db, l2Cfg.RelayerConfig)
+	assert.NoError(t, err)
+	defer l2Relayer.Stop()
+
+	// Create L1Watcher
+	l1Cfg := cfg.L1Config
+	l1Watcher := l1.NewWatcher(context.Background(), l1Client, 0, l1Cfg.Confirmations, l1Cfg.L1MessengerAddress, l1Cfg.L1MessageQueueAddress, l1Cfg.ScrollChainContractAddress, db)
+
+	// add some blocks to db
+	var traces []*geth_types.BlockTrace
+	var parentHash common.Hash
+	for i := 1; i <= 10; i++ {
+		header := geth_types.Header{
+			Number:     big.NewInt(int64(i)),
+			ParentHash: parentHash,
+			Difficulty: big.NewInt(0),
+			BaseFee:    big.NewInt(0),
+		}
+		traces = append(traces, &geth_types.BlockTrace{
+			Header:       &header,
+			StorageTrace: &geth_types.StorageTrace{},
+		})
+		parentHash = header.Hash()
+	}
+	err = db.InsertL2BlockTraces(traces)
+	assert.NoError(t, err)
+
+	parentBatch := &types.BlockBatch{
+		Index: 0,
+		Hash:  "0x0000000000000000000000000000000000000000",
+	}
+	batchData := types.NewBatchData(parentBatch, []*geth_types.BlockTrace{
+		traces[0],
+		traces[1],
+	}, cfg.L2Config.BatchProposerConfig.PublicInputConfig)
+
+	batchHash := batchData.Hash().String()
+
+	// add one batch to db
+	dbTx, err := db.Beginx()
+	assert.NoError(t, err)
+	assert.NoError(t, db.NewBatchInDBTx(dbTx, batchData))
+	var blockIDs = make([]uint64, len(batchData.Batch.Blocks))
+	for i, block := range batchData.Batch.Blocks {
+		blockIDs[i] = block.BlockNumber
+	}
+	err = db.SetBatchHashForL2BlocksInDBTx(dbTx, blockIDs, batchHash)
+	assert.NoError(t, err)
+	assert.NoError(t, dbTx.Commit())
+
+	// process pending batch and check status
+	l2Relayer.SendCommitTx([]*types.BatchData{batchData})
+
+	status, err := db.GetRollupStatus(batchHash)
+	assert.NoError(t, err)
+	assert.Equal(t, types.RollupCommitting, status)
+	commitTxHash, err := db.GetCommitTxHash(batchHash)
+	assert.NoError(t, err)
+	assert.Equal(t, true, commitTxHash.Valid)
+	commitTx, _, err := l1Client.TransactionByHash(context.Background(), common.HexToHash(commitTxHash.String))
+	assert.NoError(t, err)
+	commitTxReceipt, err := bind.WaitMined(context.Background(), l1Client, commitTx)
+	assert.NoError(t, err)
+	assert.Equal(t, len(commitTxReceipt.Logs), 1)
+
+	// fetch rollup events
+	err = l1Watcher.FetchContractEvent(commitTxReceipt.BlockNumber.Uint64())
+	assert.NoError(t, err)
+	status, err = db.GetRollupStatus(batchHash)
+	assert.NoError(t, err)
+	assert.Equal(t, types.RollupCommitted, status)
+
+	// add dummy proof
+	tProof := []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31}
+	tInstanceCommitments := []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31}
+	err = db.UpdateProofByHash(context.Background(), batchHash, tProof, tInstanceCommitments, 100)
+	assert.NoError(t, err)
+	err = db.UpdateProvingStatus(batchHash, types.ProvingTaskVerified)
+	assert.NoError(t, err)
+
+	// process committed batch and check status
+	l2Relayer.ProcessCommittedBatches()
+
+	status, err = db.GetRollupStatus(batchHash)
+	assert.NoError(t, err)
+	assert.Equal(t, types.RollupFinalizing, status)
+	finalizeTxHash, err := db.GetFinalizeTxHash(batchHash)
+	assert.NoError(t, err)
+	assert.Equal(t, true, finalizeTxHash.Valid)
+	finalizeTx, _, err := l1Client.TransactionByHash(context.Background(), common.HexToHash(finalizeTxHash.String))
+	assert.NoError(t, err)
+	finalizeTxReceipt, err := bind.WaitMined(context.Background(), l1Client, finalizeTx)
+	assert.NoError(t, err)
+	assert.Equal(t, len(finalizeTxReceipt.Logs), 1)
+
+	// fetch rollup events
+	err = l1Watcher.FetchContractEvent(finalizeTxReceipt.BlockNumber.Uint64())
+	assert.NoError(t, err)
+	status, err = db.GetRollupStatus(batchHash)
+	assert.NoError(t, err)
+	assert.Equal(t, types.RollupFinalized, status)
+}

bridge/utils/confirmation.go

@@ -0,0 +1,56 @@
+package utils
+
+import (
+	"context"
+	"fmt"
+	"math/big"
+
+	"github.com/scroll-tech/go-ethereum/core/types"
+	"github.com/scroll-tech/go-ethereum/rpc"
+)
+
+type ethClient interface {
+	BlockNumber(ctx context.Context) (uint64, error)
+	HeaderByNumber(ctx context.Context, number *big.Int) (*types.Header, error)
+}
+
+// GetLatestConfirmedBlockNumber get confirmed block number by rpc.BlockNumber type.
+func GetLatestConfirmedBlockNumber(ctx context.Context, client ethClient, confirm rpc.BlockNumber) (uint64, error) {
+	switch true {
+	case confirm == rpc.SafeBlockNumber || confirm == rpc.FinalizedBlockNumber:
+		var tag *big.Int
+		if confirm == rpc.FinalizedBlockNumber {
+			tag = big.NewInt(int64(rpc.FinalizedBlockNumber))
+		} else {
+			tag = big.NewInt(int64(rpc.SafeBlockNumber))
+		}
+
+		header, err := client.HeaderByNumber(ctx, tag)
+		if err != nil {
+			return 0, err
+		}
+		if !header.Number.IsInt64() {
+			return 0, fmt.Errorf("received invalid block confirm: %v", header.Number)
+		}
+		return header.Number.Uint64(), nil
+	case confirm == rpc.LatestBlockNumber:
+		number, err := client.BlockNumber(ctx)
+		if err != nil {
+			return 0, err
+		}
+		return number, nil
+	case confirm.Int64() >= 0: // If it's positive integer, consider it as a certain confirm value.
+		number, err := client.BlockNumber(ctx)
+		if err != nil {
+			return 0, err
+		}
+		cfmNum := uint64(confirm.Int64())
+
+		if number >= cfmNum {
+			return number - cfmNum, nil
+		}
+		return 0, nil
+	default:
+		return 0, fmt.Errorf("unknown confirmation type: %v", confirm)
+	}
+}

bridge/utils/confirmation_test.go

@@ -0,0 +1,107 @@
+package utils_test
+
+import (
+	"context"
+	"encoding/json"
+	"math/big"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+
+	"github.com/scroll-tech/go-ethereum/common/math"
+	"github.com/scroll-tech/go-ethereum/core/types"
+	"github.com/scroll-tech/go-ethereum/rpc"
+
+	"scroll-tech/bridge/utils"
+)
+
+var (
+	tests = []struct {
+		input    string
+		mustFail bool
+		expected rpc.BlockNumber
+	}{
+		{`"0x"`, true, rpc.BlockNumber(0)},
+		{`"0x0"`, false, rpc.BlockNumber(0)},
+		{`"0X1"`, false, rpc.BlockNumber(1)},
+		{`"0x00"`, true, rpc.BlockNumber(0)},
+		{`"0x01"`, true, rpc.BlockNumber(0)},
+		{`"0x1"`, false, rpc.BlockNumber(1)},
+		{`"0x12"`, false, rpc.BlockNumber(18)},
+		{`"0x7fffffffffffffff"`, false, rpc.BlockNumber(math.MaxInt64)},
+		{`"0x8000000000000000"`, true, rpc.BlockNumber(0)},
+		{"0", true, rpc.BlockNumber(0)},
+		{`"ff"`, true, rpc.BlockNumber(0)},
+		{`"safe"`, false, rpc.SafeBlockNumber},
+		{`"finalized"`, false, rpc.FinalizedBlockNumber},
+		{`"pending"`, false, rpc.PendingBlockNumber},
+		{`"latest"`, false, rpc.LatestBlockNumber},
+		{`"earliest"`, false, rpc.EarliestBlockNumber},
+		{`someString`, true, rpc.BlockNumber(0)},
+		{`""`, true, rpc.BlockNumber(0)},
+		{``, true, rpc.BlockNumber(0)},
+	}
+)
+
+func TestUnmarshalJSON(t *testing.T) {
+	for i, test := range tests {
+		var num rpc.BlockNumber
+		err := json.Unmarshal([]byte(test.input), &num)
+		if test.mustFail && err == nil {
+			t.Errorf("Test %d should fail", i)
+			continue
+		}
+		if !test.mustFail && err != nil {
+			t.Errorf("Test %d should pass but got err: %v", i, err)
+			continue
+		}
+		if num != test.expected {
+			t.Errorf("Test %d got unexpected value, want %d, got %d", i, test.expected, num)
+		}
+	}
+}
+
+func TestMarshalJSON(t *testing.T) {
+	for i, test := range tests {
+		var num rpc.BlockNumber
+		want, err := json.Marshal(test.expected)
+		assert.Nil(t, err)
+		if !test.mustFail {
+			err = json.Unmarshal([]byte(test.input), &num)
+			assert.Nil(t, err)
+			got, err := json.Marshal(&num)
+			assert.Nil(t, err)
+			if string(want) != string(got) {
+				t.Errorf("Test %d got unexpected value, want %d, got %d", i, test.expected, num)
+
+			}
+		}
+	}
+}
+
+type MockEthClient struct {
+	val uint64
+}
+
+func (e MockEthClient) BlockNumber(ctx context.Context) (uint64, error) {
+	return e.val, nil
+}
+
+func (e MockEthClient) HeaderByNumber(ctx context.Context, number *big.Int) (*types.Header, error) {
+	return &types.Header{Number: new(big.Int).SetUint64(e.val)}, nil
+}
+
+func TestGetLatestConfirmedBlockNumber(t *testing.T) {
+	ctx := context.Background()
+	client := MockEthClient{}
+
+	client.val = 5
+	confirmed, err := utils.GetLatestConfirmedBlockNumber(ctx, &client, 6)
+	assert.Nil(t, err)
+	assert.Equal(t, uint64(0), confirmed)
+
+	client.val = 7
+	confirmed, err = utils.GetLatestConfirmedBlockNumber(ctx, &client, 6)
+	assert.Nil(t, err)
+	assert.Equal(t, uint64(1), confirmed)
+}

bridge/utils/utils.go

@@ -0,0 +1,98 @@
+package utils
+
+import (
+	"fmt"
+	"math/big"
+
+	"github.com/scroll-tech/go-ethereum/accounts/abi"
+	"github.com/scroll-tech/go-ethereum/common"
+	"github.com/scroll-tech/go-ethereum/core/types"
+	"github.com/scroll-tech/go-ethereum/crypto"
+
+	bridgeabi "scroll-tech/bridge/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()[:]...)))
+}
+
+// ComputeMessageHash compute the message hash
+func ComputeMessageHash(
+	sender common.Address,
+	target common.Address,
+	value *big.Int,
+	messageNonce *big.Int,
+	message []byte,
+) common.Hash {
+	data, _ := bridgeabi.L2ScrollMessengerABI.Pack("relayMessage", sender, target, value, messageNonce, message)
+	return common.BytesToHash(crypto.Keccak256(data))
+}
+
+// BufferToUint256Be convert bytes array to uint256 array assuming big-endian
+func BufferToUint256Be(buffer []byte) []*big.Int {
+	buffer256 := make([]*big.Int, len(buffer)/32)
+	for i := 0; i < len(buffer)/32; i++ {
+		buffer256[i] = big.NewInt(0)
+		for j := 0; j < 32; j++ {
+			buffer256[i] = buffer256[i].Lsh(buffer256[i], 8)
+			buffer256[i] = buffer256[i].Add(buffer256[i], big.NewInt(int64(buffer[i*32+j])))
+		}
+	}
+	return buffer256
+}
+
+// BufferToUint256Le convert bytes array to uint256 array assuming little-endian
+func BufferToUint256Le(buffer []byte) []*big.Int {
+	buffer256 := make([]*big.Int, len(buffer)/32)
+	for i := 0; i < len(buffer)/32; i++ {
+		v := big.NewInt(0)
+		shft := big.NewInt(1)
+		for j := 0; j < 32; j++ {
+			v = new(big.Int).Add(v, new(big.Int).Mul(shft, big.NewInt(int64(buffer[i*32+j]))))
+			shft = new(big.Int).Mul(shft, big.NewInt(256))
+		}
+		buffer256[i] = v
+	}
+	return buffer256
+}
+
+// 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:])
+}
+
+// UnpackLogIntoMap unpacks a retrieved log into the provided map.
+// @todo: add unit test.
+func UnpackLogIntoMap(c *abi.ABI, out map[string]interface{}, event string, log types.Log) error {
+	if log.Topics[0] != c.Events[event].ID {
+		return fmt.Errorf("event signature mismatch")
+	}
+	if len(log.Data) > 0 {
+		if err := c.UnpackIntoMap(out, event, log.Data); err != nil {
+			return err
+		}
+	}
+	var indexed abi.Arguments
+	for _, arg := range c.Events[event].Inputs {
+		if arg.Indexed {
+			indexed = append(indexed, arg)
+		}
+	}
+	return abi.ParseTopicsIntoMap(out, indexed, log.Topics[1:])
+}

bridge/utils/utils_test.go

@@ -0,0 +1,39 @@
+package utils_test
+
+import (
+	"math/big"
+	"testing"
+
+	"scroll-tech/bridge/utils"
+
+	"github.com/scroll-tech/go-ethereum/common"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestKeccak2(t *testing.T) {
+	hash := utils.Keccak2(common.HexToHash("0x0000000000000000000000000000000000000000000000000000000000000000"), common.HexToHash("0x0000000000000000000000000000000000000000000000000000000000000000"))
+	if hash != common.HexToHash("0xad3228b676f7d3cd4284a5443f17f1962b36e491b30a40b2405849e597ba5fb5") {
+		t.Fatalf("Invalid keccak, want %s, got %s", "0xad3228b676f7d3cd4284a5443f17f1962b36e491b30a40b2405849e597ba5fb5", hash.Hex())
+	}
+
+	hash = utils.Keccak2(common.HexToHash("0xad3228b676f7d3cd4284a5443f17f1962b36e491b30a40b2405849e597ba5fb5"), common.HexToHash("0xad3228b676f7d3cd4284a5443f17f1962b36e491b30a40b2405849e597ba5fb5"))
+	if hash != common.HexToHash("0xb4c11951957c6f8f642c4af61cd6b24640fec6dc7fc607ee8206a99e92410d30") {
+		t.Fatalf("Invalid keccak, want %s, got %s", "0xb4c11951957c6f8f642c4af61cd6b24640fec6dc7fc607ee8206a99e92410d30", hash.Hex())
+	}
+
+	hash = utils.Keccak2(common.HexToHash("0x0000000000000000000000000000000000000000000000000000000000000001"), common.HexToHash("0x0000000000000000000000000000000000000000000000000000000000000002"))
+	if hash != common.HexToHash("0xe90b7bceb6e7df5418fb78d8ee546e97c83a08bbccc01a0644d599ccd2a7c2e0") {
+		t.Fatalf("Invalid keccak, want %s, got %s", "0xe90b7bceb6e7df5418fb78d8ee546e97c83a08bbccc01a0644d599ccd2a7c2e0", hash.Hex())
+	}
+}
+
+func TestComputeMessageHash(t *testing.T) {
+	hash := utils.ComputeMessageHash(
+		common.HexToAddress("0x1C5A77d9FA7eF466951B2F01F724BCa3A5820b63"),
+		common.HexToAddress("0x4592D8f8D7B001e72Cb26A73e4Fa1806a51aC79d"),
+		big.NewInt(0),
+		big.NewInt(1),
+		[]byte("testbridgecontract"),
+	)
+	assert.Equal(t, "0xda253c04595a49017bb54b1b46088c69752b5ad2f0c47971ac76b8b25abec202", hash.String())
+}

build/.golangci.yml

@@ -179,6 +179,13 @@ linters:
     - depguard
     - gocyclo
     - unparam
+    - exportloopref
+    - sqlclosecheck
+    - rowserrcheck
+    - durationcheck
+    - bidichk
+    - typecheck
+    - unused
   enable-all: false
   disable:
 
@@ -200,16 +207,7 @@ issues:
     # Exclude some linters from running on tests files.
     - path: _test\.go
       linters:
-        - gocyclo
         - errcheck
-        - dupl
-        - gosec
-
-    # Exclude known linters from partially hard-vendored code,
-    # which is impossible to exclude via "nolint" comments.
-    - path: internal/hmac/
-      text: "weak cryptographic primitive"
-      linters:
         - gosec
 
     # Exclude some staticcheck messages
@@ -217,18 +215,6 @@ issues:
         - staticcheck
       text: "SA9003:"
 
-    - linters:
-        - golint
-      text: "package comment should be of the form"
-
-    - linters:
-        - golint
-      text: "don't use ALL_CAPS in Go names;"
-
-    - linters:
-        - golint
-      text: "don't use underscores in Go names;"
-
     # Exclude lll issues for long lines with go:generate
     - linters:
         - lll

build/dockerfiles/bridge.Dockerfile

@@ -1,13 +1,26 @@
-# Build bridge in a stock Go builder container
-FROM scrolltech/go-builder:1.18 as builder
+# Download Go dependencies
+FROM scrolltech/go-alpine-builder:1.18 as base
 
-COPY ./ /
+WORKDIR /src
+COPY go.work* ./
+COPY ./bridge/go.* ./bridge/
+COPY ./common/go.* ./common/
+COPY ./coordinator/go.* ./coordinator/
+COPY ./database/go.* ./database/
+COPY ./roller/go.* ./roller/
+COPY ./tests/integration-test/go.* ./tests/integration-test/
+RUN go mod download -x
 
-RUN cd /bridge/cmd && go build -v -p 4 -o bridge
+# Build bridge
+FROM base as builder
+
+RUN --mount=target=. \
+    --mount=type=cache,target=/root/.cache/go-build \
+    cd /src/bridge/cmd && go build -v -p 4 -o /bin/bridge
 
 # Pull bridge into a second stage deploy alpine container
 FROM alpine:latest
 
-COPY --from=builder /bridge/cmd/bridge /bin/
+COPY --from=builder /bin/bridge /bin/
 
 ENTRYPOINT ["bridge"]

build/dockerfiles/bridge.Dockerfile.dockerignore

@@ -1,7 +1,5 @@
 assets/
-coordinator/
 docs/
-integration-test/
 l2geth/
-roller/
 rpc-gateway/
+*target/*

build/dockerfiles/coordinator.Dockerfile

@@ -1,13 +1,49 @@
-# Build scroll in a stock Go builder container
-FROM scrolltech/go-builder:1.18 as builder
+# Build libzkp dependency
+FROM scrolltech/go-rust-builder:go-1.18-rust-nightly-2022-12-10 as chef
+WORKDIR app
 
-COPY ./ /
+FROM chef as planner
+COPY ./common/libzkp/impl/ .
+RUN cargo chef prepare --recipe-path recipe.json
 
-RUN cd /coordinator/cmd && go build -v -p 4 -o coordinator
+FROM chef as zkp-builder
+COPY ./common/libzkp/impl/rust-toolchain ./
+COPY --from=planner /app/recipe.json recipe.json
+RUN cargo chef cook --release --recipe-path recipe.json
 
-# Pull scroll into a second stage deploy alpine container
-FROM alpine:latest
+COPY ./common/libzkp/impl .
+RUN cargo build --release
+RUN find ./ | grep libzktrie.so | xargs -i cp {} /app/target/release/
 
-COPY --from=builder /coordinator/cmd/coordinator /bin/
 
-ENTRYPOINT ["coordinator"]
+# Download Go dependencies
+FROM scrolltech/go-rust-builder:go-1.18-rust-nightly-2022-12-10 as base
+WORKDIR /src
+COPY go.work* ./
+COPY ./bridge/go.* ./bridge/
+COPY ./common/go.* ./common/
+COPY ./coordinator/go.* ./coordinator/
+COPY ./database/go.* ./database/
+COPY ./roller/go.* ./roller/
+COPY ./tests/integration-test/go.* ./tests/integration-test/
+RUN go mod download -x
+
+
+# Build coordinator
+FROM base as builder
+COPY . .
+RUN cp -r ./common/libzkp/interface ./coordinator/verifier/lib
+COPY --from=zkp-builder /app/target/release/libzkp.a ./coordinator/verifier/lib/
+COPY --from=zkp-builder /app/target/release/libzktrie.so ./coordinator/verifier/lib/
+RUN cd ./coordinator && go build -v -p 4 -o /bin/coordinator ./cmd && mv verifier/lib /bin/
+
+# Pull coordinator into a second stage deploy alpine container
+FROM ubuntu:20.04
+ENV LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/src/coordinator/verifier/lib
+# ENV CHAIN_ID=534353
+RUN mkdir -p /src/coordinator/verifier/lib
+COPY --from=builder /bin/lib /src/coordinator/verifier/lib
+COPY --from=builder /bin/coordinator /bin/
+
+
+ENTRYPOINT ["/bin/coordinator"]

build/dockerfiles/coordinator.Dockerfile.dockerignore

@@ -1,8 +1,6 @@
 assets/
-bridge/
 contracts/
 docs/
-integration-test/
 l2geth/
-roller/
 rpc-gateway/
+*target/*

build/dockerfiles/db_cli.Dockerfile

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

build/dockerfiles/db_cli.Dockerfile.dockerignore

@@ -0,0 +1,6 @@
+assets/
+contracts/
+docs/
+l2geth/
+rpc-gateway/
+*target/*

build/dockerfiles/intermediate/Makefile

@@ -1,12 +1,16 @@
 GO_VERSION := 1.18
 PYTHON_VERSION := 3.10
-RUST_VERSION := nightly-2022-08-23
+RUST_VERSION := nightly-2022-12-10
 
-.PHONY: all go-builder rust-builder rust-alpine-builder go-rust-builder py-runner
+.PHONY: all go-alpine-builder rust-builder rust-alpine-builder go-rust-alpine-builder go-rust-builder py-runner
 
-go-builder:
-	docker build -t scrolltech/go-builder:latest -f go-builder.Dockerfile ./
-	docker image tag scrolltech/go-builder:latest scrolltech/go-builder:$(GO_VERSION)
+go-rust-builder:
+	docker build -t scrolltech/go-rust-builder:latest -f go-rust-builder.Dockerfile ./
+	docker image tag scrolltech/go-rust-builder:latest scrolltech/go-rust-builder:go-$(GO_VERSION)-rust-$(RUST_VERSION)
+
+go-alpine-builder:
+	docker build -t scrolltech/go-alpine-builder:latest -f go-alpine-builder.Dockerfile ./
+	docker image tag scrolltech/go-alpine-builder:latest scrolltech/go-alpine-builder:$(GO_VERSION)
 
 rust-builder:
 	docker build -t scrolltech/rust-builder:latest -f rust-builder.Dockerfile ./
@@ -16,23 +20,25 @@ rust-alpine-builder:
 	docker build -t scrolltech/rust-alpine-builder:latest -f rust-alpine-builder.Dockerfile ./
 	docker image tag scrolltech/rust-alpine-builder:latest scrolltech/rust-alpine-builder:$(RUST_VERSION)
 
-go-rust-builder:
-	docker build -t scrolltech/go-rust-builder:latest -f go-rust-builder.Dockerfile ./
-	docker image tag scrolltech/go-rust-builder:latest scrolltech/go-rust-builder:go-$(GO_VERSION)-rust-$(RUST_VERSION)
+go-rust-alpine-builder:
+	docker build -t scrolltech/go-rust-alpine-builder:latest -f go-rust-alpine-builder.Dockerfile ./
+	docker image tag scrolltech/go-rust-alpine-builder:latest scrolltech/go-rust-alpine-builder:go-$(GO_VERSION)-rust-$(RUST_VERSION)
 
 py-runner:
 	docker build -t scrolltech/py-runner:latest -f py-runner.Dockerfile ./
 	docker image tag scrolltech/py-runner:latest scrolltech/py-runner:$(PYTHON_VERSION)
 
-all: go-builder rust-builder rust-alpine-builder go-rust-builder py-runner
+all: go-alpine-builder rust-builder rust-alpine-builder go-rust-alpine-builder go-rust-builder py-runner
 
 publish:
-	docker push scrolltech/go-builder:latest
-	docker push scrolltech/go-builder:$(GO_VERSION)
+	docker push scrolltech/go-alpine-builder:latest
+	docker push scrolltech/go-alpine-builder:$(GO_VERSION)
 	docker push scrolltech/rust-builder:latest
 	docker push scrolltech/rust-builder:$(RUST_VERSION)
 	docker push scrolltech/rust-alpine-builder:latest
 	docker push scrolltech/rust-alpine-builder:$(RUST_VERSION)
+	docker push scrolltech/go-rust-alpine-builder:latest
+	docker push scrolltech/go-rust-alpine-builder:go-$(GO_VERSION)-rust-$(RUST_VERSION)
 	docker push scrolltech/go-rust-builder:latest
 	docker push scrolltech/go-rust-builder:go-$(GO_VERSION)-rust-$(RUST_VERSION)
 	docker push scrolltech/py-runner:latest

build/dockerfiles/intermediate/go-alpine-builder.Dockerfile

@@ -4,4 +4,4 @@ FROM golang:1.18-alpine
 
 # RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories
 
-RUN apk add --no-cache gcc musl-dev linux-headers git ca-certificates
+RUN apk add --no-cache gcc musl-dev linux-headers git ca-certificates openssl-dev

build/dockerfiles/intermediate/go-rust-alpine-builder.Dockerfile

@@ -0,0 +1,35 @@
+FROM golang:1.18-alpine
+ARG CARGO_CHEF_TAG=0.1.41
+ARG DEFAULT_RUST_TOOLCHAIN=nightly-2022-12-10
+
+RUN apk add --no-cache gcc musl-dev linux-headers git ca-certificates openssl-dev
+
+# RUN apk add --no-cache libc6-compat
+# RUN apk add --no-cache gcompat
+
+ENV RUSTUP_HOME=/usr/local/rustup \
+    CARGO_HOME=/usr/local/cargo \
+    PATH=/usr/local/cargo/bin:$PATH \
+    CARGO_NET_GIT_FETCH_WITH_CLI=true
+
+RUN set -eux; \
+    apkArch="$(apk --print-arch)"; \
+    case "$apkArch" in \
+        x86_64) rustArch='x86_64-unknown-linux-musl' ;; \
+        aarch64) rustArch='aarch64-unknown-linux-musl' ;; \
+        *) echo >&2 "unsupported architecture: $apkArch"; exit 1 ;; \
+    esac; \
+    \
+    url="https://static.rust-lang.org/rustup/dist/${rustArch}/rustup-init"; \
+    wget "$url"; \
+    chmod +x rustup-init;
+
+RUN ./rustup-init -y --no-modify-path --default-toolchain ${DEFAULT_RUST_TOOLCHAIN}; \
+    rm rustup-init; \
+    chmod -R a+w $RUSTUP_HOME $CARGO_HOME; \
+    rustup --version; \
+    cargo --version; \
+    rustc --version;
+
+RUN cargo install cargo-chef --locked --version ${CARGO_CHEF_TAG} \
+    && rm -rf $CARGO_HOME/registry/

build/dockerfiles/intermediate/go-rust-builder.Dockerfile

@@ -1,31 +1,34 @@
-FROM golang:1.18-alpine
-ARG CARGO_CHEF_TAG=0.1.41
-ARG DEFAULT_RUST_TOOLCHAIN=nightly-2022-08-23
+FROM ubuntu:20.04
 
-RUN apk add --no-cache gcc musl-dev linux-headers git ca-certificates
+RUN apt-get update && ln -fs /usr/share/zoneinfo/America/New_York /etc/localtime
 
-ENV RUSTUP_HOME=/usr/local/rustup \
-    CARGO_HOME=/usr/local/cargo \
-    PATH=/usr/local/cargo/bin:$PATH
+# Install basic packages
+RUN apt-get install build-essential curl wget git pkg-config -y
 
-RUN set -eux; \
-    apkArch="$(apk --print-arch)"; \
-    case "$apkArch" in \
-        x86_64) rustArch='x86_64-unknown-linux-musl' ;; \
-        aarch64) rustArch='aarch64-unknown-linux-musl' ;; \
-        *) echo >&2 "unsupported architecture: $apkArch"; exit 1 ;; \
-    esac; \
-    \
-    url="https://static.rust-lang.org/rustup/dist/${rustArch}/rustup-init"; \
-    wget "$url"; \
-    chmod +x rustup-init;
+# Install dev-packages
+RUN apt-get install libclang-dev libssl-dev llvm -y
 
-RUN ./rustup-init -y --no-modify-path --default-toolchain ${DEFAULT_RUST_TOOLCHAIN}; \
-    rm rustup-init; \
-    chmod -R a+w $RUSTUP_HOME $CARGO_HOME; \
-    rustup --version; \
-    cargo --version; \
-    rustc --version;
+# Install Rust
+RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
+ENV PATH="/root/.cargo/bin:${PATH}"
+ENV CARGO_HOME=/root/.cargo
+
+# Add Toolchain
+RUN rustup toolchain install nightly-2022-12-10
+
+# TODO: make this ARG
+ENV CARGO_CHEF_TAG=0.1.41
 
 RUN cargo install cargo-chef --locked --version ${CARGO_CHEF_TAG} \
     && rm -rf $CARGO_HOME/registry/
+
+# Install Go
+RUN rm -rf /usr/local/go
+# for 1.17
+# RUN wget https://go.dev/dl/go1.17.13.linux-amd64.tar.gz
+# RUN tar -C /usr/local -xzf go1.17.13.linux-amd64.tar.gz
+# for 1.18
+RUN wget https://go.dev/dl/go1.18.9.linux-amd64.tar.gz
+RUN tar -C /usr/local -xzf go1.18.9.linux-amd64.tar.gz
+
+ENV PATH="/usr/local/go/bin:${PATH}"

build/dockerfiles/intermediate/rust-alpine-builder.Dockerfile

@@ -1,16 +1,19 @@
 ARG ALPINE_VERSION=3.15
 FROM alpine:${ALPINE_VERSION}
 ARG CARGO_CHEF_TAG=0.1.41
-ARG DEFAULT_RUST_TOOLCHAIN=nightly-2022-08-23
+ARG DEFAULT_RUST_TOOLCHAIN=nightly-2022-12-10
 
 RUN apk add --no-cache \
         ca-certificates \
+        openssl-dev \
         gcc \
+        git \
         musl-dev
 
 ENV RUSTUP_HOME=/usr/local/rustup \
     CARGO_HOME=/usr/local/cargo \
-    PATH=/usr/local/cargo/bin:$PATH
+    PATH=/usr/local/cargo/bin:$PATH \
+    CARGO_NET_GIT_FETCH_WITH_CLI=true
 
 RUN set -eux; \
     apkArch="$(apk --print-arch)"; \

build/dockerfiles/intermediate/rust-builder.Dockerfile

@@ -3,7 +3,7 @@ FROM ubuntu:20.04
 RUN apt-get update && ln -fs /usr/share/zoneinfo/America/New_York /etc/localtime
 
 # Install basic packages
-RUN apt-get install build-essential curl git pkg-config -y
+RUN apt-get install build-essential curl wget git pkg-config -y
 
 # Install dev-packages
 RUN apt-get install libclang-dev libssl-dev llvm -y
@@ -13,4 +13,4 @@ RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
 ENV PATH="/root/.cargo/bin:${PATH}"
 
 # Add Toolchain
-RUN rustup toolchain install nightly-2022-08-23
+RUN rustup toolchain install nightly-2022-12-10

build/post-test-report-coverage.sh

@@ -0,0 +1,14 @@
+#!/bin/bash
+set -uex
+${GOROOT}/bin/bin/gocover-cobertura < coverage.bridge.txt > coverage.bridge.xml
+${GOROOT}/bin/bin/gocover-cobertura < coverage.db.txt > coverage.db.xml
+${GOROOT}/bin/bin/gocover-cobertura < coverage.common.txt > coverage.common.xml
+${GOROOT}/bin/bin/gocover-cobertura < coverage.coordinator.txt > coverage.coordinator.xml
+${GOROOT}/bin/bin/gocover-cobertura < coverage.integration.txt > coverage.integration.xml
+
+npx cobertura-merge -o cobertura.xml \
+    package1=coverage.bridge.xml \
+    package2=coverage.db.xml \
+    package3=coverage.common.xml \
+    package4=coverage.coordinator.xml \
+    package5=coverage.integration.xml

build/push-docker-tag.Jenkinsfile

@@ -0,0 +1,66 @@
+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"
+        // LOG_DOCKER = 'true'
+    }
+    stages {
+        stage('Tag') {
+            steps {
+                script {
+                    TAGNAME = sh(returnStdout: true, script: 'git tag -l --points-at HEAD')
+                    sh "echo ${TAGNAME}"
+                    // ... 
+                }
+            }
+        }
+        stage('Build') {
+            environment {
+                // Extract the username and password of our credentials into "DOCKER_CREDENTIALS_USR" and "DOCKER_CREDENTIALS_PSW".
+                // (NOTE 1: DOCKER_CREDENTIALS will be set to "your_username:your_password".)
+                // The new variables will always be YOUR_VARIABLE_NAME + _USR and _PSW.
+                // (NOTE 2: You can't print credentials in the pipeline for security reasons.)
+                DOCKER_CREDENTIALS = credentials('dockerhub')
+            }
+           steps {
+               withCredentials([usernamePassword(credentialsId: "${credentialDocker}", passwordVariable: 'dockerPassword', usernameVariable: 'dockerUser')]) {
+                    // Use a scripted pipeline.
+                    script {
+                            stage('Push image') {
+                                if (TAGNAME == ""){
+                                    return;
+                                }
+                                
+                                sh "docker login --username=${dockerUser} --password=${dockerPassword}"
+                                sh "docker manifest inspect scrolltech/bridge:${TAGNAME} > /dev/null ; echo $?"
+                                // sh "docker login --username=${dockerUser} --password=${dockerPassword}"
+                                // sh "make -C bridge docker"
+                                // sh "make -C coordinator docker"
+                                // sh "docker tag scrolltech/bridge:latest scrolltech/bridge:${TAGNAME}"
+                                // sh "docker tag scrolltech/coordinator:latest scrolltech/coordinator:${TAGNAME}"
+                                // sh "docker push scrolltech/bridge:${TAGNAME}"
+                                // sh "docker push scrolltech/coordinator:${TAGNAME}"
+                            }                              
+                    }
+               }
+            }
+        }
+    }
+    post {
+        always {
+            cleanWs() 
+            slackSend(message: "${JOB_BASE_NAME} ${GIT_COMMIT} #${TAGNAME} Tag build ${currentBuild.result}")
+        }
+    }
+}

common/.gitignore

@@ -1,2 +1,4 @@
 /build/bin
 .idea
+libzkp/impl/target
+libzkp/interface/*.a

common/Makefile

@@ -5,3 +5,4 @@ test:
 
 lint: ## Lint the files - used for CI
 	GOBIN=$(PWD)/build/bin go run ../build/lint.go
+	cd libzkp/impl && cargo fmt --all -- --check && cargo clippy --release -- -D warnings

common/cmd/cmd.go

@@ -0,0 +1,89 @@
+package cmd
+
+import (
+	"os"
+	"os/exec"
+	"strings"
+	"sync"
+	"testing"
+
+	cmap "github.com/orcaman/concurrent-map"
+)
+
+var verbose bool
+
+func init() {
+	v := os.Getenv("LOG_DOCKER")
+	if v == "true" || v == "TRUE" {
+		verbose = true
+	}
+}
+
+type checkFunc func(buf string)
+
+// Cmd struct
+type Cmd struct {
+	*testing.T
+
+	name string
+	args []string
+
+	mu  sync.Mutex
+	cmd *exec.Cmd
+
+	checkFuncs cmap.ConcurrentMap //map[string]checkFunc
+
+	//stdout bytes.Buffer
+	Err error
+}
+
+// NewCmd create Cmd instance.
+func NewCmd(t *testing.T, name string, args ...string) *Cmd {
+	return &Cmd{
+		T:          t,
+		checkFuncs: cmap.New(),
+		name:       name,
+		args:       args,
+	}
+}
+
+// RegistFunc register check func
+func (t *Cmd) RegistFunc(key string, check checkFunc) {
+	t.checkFuncs.Set(key, check)
+}
+
+// UnRegistFunc unregister check func
+func (t *Cmd) UnRegistFunc(key string) {
+	t.checkFuncs.Pop(key)
+}
+
+func (t *Cmd) runCmd() {
+	cmd := exec.Command(t.args[0], t.args[1:]...) //nolint:gosec
+	cmd.Stdout = t
+	cmd.Stderr = t
+	_ = cmd.Run()
+}
+
+// RunCmd parallel running when parallel is true.
+func (t *Cmd) RunCmd(parallel bool) {
+	t.Log("cmd: ", t.args)
+	if parallel {
+		go t.runCmd()
+	} else {
+		t.runCmd()
+	}
+}
+
+func (t *Cmd) Write(data []byte) (int, error) {
+	out := string(data)
+	if verbose {
+		t.Logf("%s: %v", t.name, out)
+	} else if strings.Contains(out, "error") || strings.Contains(out, "warning") {
+		t.Logf("%s: %v", t.name, out)
+	}
+	go t.checkFuncs.IterCb(func(_ string, value interface{}) {
+		check := value.(checkFunc)
+		check(out)
+	})
+	return len(data), nil
+}

common/cmd/cmd_app.go

@@ -0,0 +1,114 @@
+package cmd
+
+import (
+	"fmt"
+	"os"
+	"os/exec"
+	"strings"
+	"time"
+
+	"github.com/docker/docker/pkg/reexec"
+	"github.com/stretchr/testify/assert"
+)
+
+// RunApp exec's the current binary using name as argv[0] which will trigger the
+// reexec init function for that name (e.g. "geth-test" in cmd/geth/run_test.go)
+func (t *Cmd) RunApp(waitResult func() bool) {
+	t.Log("cmd: ", append([]string{t.name}, t.args...))
+	cmd := &exec.Cmd{
+		Path:   reexec.Self(),
+		Args:   append([]string{t.name}, t.args...),
+		Stderr: t,
+		Stdout: t,
+	}
+	if waitResult != nil {
+		go func() {
+			_ = cmd.Run()
+		}()
+		waitResult()
+	} else {
+		_ = cmd.Run()
+	}
+
+	t.mu.Lock()
+	t.cmd = cmd
+	t.mu.Unlock()
+}
+
+// WaitExit wait util process exit.
+func (t *Cmd) WaitExit() {
+	// Wait all the check funcs are finished or test status is failed.
+	for !(t.Failed() || t.checkFuncs.IsEmpty()) {
+		<-time.After(time.Millisecond * 500)
+	}
+
+	// Send interrupt signal.
+	t.mu.Lock()
+	_ = t.cmd.Process.Signal(os.Interrupt)
+	t.mu.Unlock()
+}
+
+// Interrupt send interrupt signal.
+func (t *Cmd) Interrupt() {
+	t.mu.Lock()
+	t.Err = t.cmd.Process.Signal(os.Interrupt)
+	t.mu.Unlock()
+}
+
+// WaitResult return true when get the keyword during timeout.
+func (t *Cmd) WaitResult(timeout time.Duration, keyword string) bool {
+	if keyword == "" {
+		return false
+	}
+	okCh := make(chan struct{}, 1)
+	t.RegistFunc(keyword, func(buf string) {
+		if strings.Contains(buf, keyword) {
+			select {
+			case okCh <- struct{}{}:
+			default:
+				return
+			}
+		}
+	})
+	defer t.UnRegistFunc(keyword)
+	select {
+	case <-okCh:
+		return true
+	case <-time.After(timeout):
+		assert.Fail(t, fmt.Sprintf("didn't get the desired result before timeout, keyword: %s", keyword))
+	}
+	return false
+}
+
+// ExpectWithTimeout wait result during timeout time.
+func (t *Cmd) ExpectWithTimeout(parallel bool, timeout time.Duration, keyword string) {
+	if keyword == "" {
+		return
+	}
+	okCh := make(chan struct{}, 1)
+	t.RegistFunc(keyword, func(buf string) {
+		if strings.Contains(buf, keyword) {
+			select {
+			case okCh <- struct{}{}:
+			default:
+				return
+			}
+		}
+	})
+
+	waitResult := func() {
+		defer t.UnRegistFunc(keyword)
+		select {
+		case <-okCh:
+			return
+		case <-time.After(timeout):
+			assert.Fail(t, fmt.Sprintf("didn't get the desired result before timeout, keyword: %s", keyword))
+		}
+	}
+
+	if parallel {
+		go waitResult()
+	} else {
+		waitResult()
+	}
+}

common/cmd/cmd_test.go

@@ -0,0 +1,42 @@
+package cmd_test
+
+import (
+	"fmt"
+	"strings"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+
+	"scroll-tech/common/cmd"
+)
+
+func TestCmd(t *testing.T) {
+	app := cmd.NewCmd(t, "curTime", "date", "+%Y-%m-%d")
+
+	tm := time.Now()
+	curTime := fmt.Sprintf("%d-%02d-%02d", tm.Year(), tm.Month(), tm.Day())
+
+	okCh := make(chan struct{}, 1)
+	app.RegistFunc(curTime, func(buf string) {
+		if strings.Contains(buf, curTime) {
+			select {
+			case okCh <- struct{}{}:
+			default:
+				return
+			}
+		}
+	})
+	defer app.UnRegistFunc(curTime)
+
+	// Run cmd.
+	app.RunCmd(true)
+
+	// Wait result.
+	select {
+	case <-okCh:
+		return
+	case <-time.After(time.Second):
+		assert.Fail(t, fmt.Sprintf("didn't get the desired result before timeout, keyword: %s", curTime))
+	}
+}

common/docker/cmd.go

@@ -1,84 +0,0 @@
-package docker
-
-import (
-	"errors"
-	"os/exec"
-	"strings"
-	"sync"
-	"testing"
-)
-
-type checkFunc func(buf string)
-
-// Cmd struct
-type Cmd struct {
-	*testing.T
-
-	checkFuncs sync.Map //map[string]checkFunc
-
-	//stdout bytes.Buffer
-	errMsg chan error
-}
-
-// NewCmd create Cmd instance.
-func NewCmd(t *testing.T) *Cmd {
-	cmd := &Cmd{
-		T: t,
-		//stdout:   bytes.Buffer{},
-		errMsg: make(chan error, 2),
-	}
-	cmd.RegistFunc("panic", func(buf string) {
-		if strings.Contains(buf, "panic") {
-			cmd.errMsg <- errors.New(buf)
-		}
-	})
-
-	return cmd
-}
-
-// RegistFunc register check func
-func (t *Cmd) RegistFunc(key string, check checkFunc) {
-	t.checkFuncs.Store(key, check)
-}
-
-// UnRegistFunc unregister check func
-func (t *Cmd) UnRegistFunc(key string) {
-	if _, ok := t.checkFuncs.Load(key); ok {
-		t.checkFuncs.Delete(key)
-	}
-}
-
-// RunCmd parallel running when parallel is true.
-func (t *Cmd) RunCmd(args []string, parallel bool) {
-	t.Log("RunCmd cmd", args)
-	if parallel {
-		go t.runCmd(args)
-	} else {
-		t.runCmd(args)
-	}
-}
-
-// ErrMsg return error output channel
-func (t *Cmd) ErrMsg() <-chan error {
-	return t.errMsg
-}
-
-func (t *Cmd) Write(data []byte) (int, error) {
-	out := string(data)
-	t.Logf(out)
-	go func(content string) {
-		t.checkFuncs.Range(func(key, value interface{}) bool {
-			check := value.(checkFunc)
-			check(content)
-			return true
-		})
-	}(out)
-	return len(data), nil
-}
-
-func (t *Cmd) runCmd(args []string) {
-	cmd := exec.Command(args[0], args[1:]...) //nolint:gosec
-	cmd.Stdout = t
-	cmd.Stderr = t
-	_ = cmd.Run()
-}

common/docker/docker_db.go

@@ -8,24 +8,11 @@ import (
 	"time"
 
 	"github.com/docker/docker/api/types"
-	"github.com/docker/docker/client"
 
-	"scroll-tech/common/docker"
+	"scroll-tech/common/cmd"
+	"scroll-tech/common/utils"
 )
 
-var (
-	cli *client.Client
-)
-
-func init() {
-	var err error
-	cli, err = client.NewClientWithOpts(client.FromEnv)
-	if err != nil {
-		panic(err)
-	}
-	cli.NegotiateAPIVersion(context.Background())
-}
-
 // ImgDB the postgres image manager.
 type ImgDB struct {
 	image string
@@ -37,28 +24,29 @@ type ImgDB struct {
 	password string
 
 	running bool
-	*docker.Cmd
+	cmd     *cmd.Cmd
 }
 
 // NewImgDB return postgres db img instance.
-func NewImgDB(t *testing.T, image, password, dbName string, port int) docker.ImgInstance {
-	return &ImgDB{
+func NewImgDB(t *testing.T, image, password, dbName string, port int) ImgInstance {
+	img := &ImgDB{
 		image:    image,
 		name:     fmt.Sprintf("%s-%s_%d", image, dbName, port),
 		password: password,
 		dbName:   dbName,
 		port:     port,
-		Cmd:      docker.NewCmd(t),
 	}
+	img.cmd = cmd.NewCmd(t, img.name, img.prepare()...)
+	return img
 }
 
 // Start postgres db container.
 func (i *ImgDB) Start() error {
-	id := docker.GetContainerID(i.name)
+	id := GetContainerID(i.name)
 	if id != "" {
 		return fmt.Errorf("container already exist, name: %s", i.name)
 	}
-	i.Cmd.RunCmd(i.prepare(), true)
+	i.cmd.RunCmd(true)
 	i.running = i.isOk()
 	if !i.running {
 		_ = i.Stop()
@@ -75,14 +63,13 @@ func (i *ImgDB) Stop() error {
 	i.running = false
 
 	ctx := context.Background()
-	// check if container is running, stop the running container.
-	id := docker.GetContainerID(i.name)
-	if id != "" {
-		timeout := time.Second * 3
-		if err := cli.ContainerStop(ctx, id, &timeout); err != nil {
-			return err
-		}
-		i.id = id
+	// stop the running container.
+	if i.id == "" {
+		i.id = GetContainerID(i.name)
+	}
+	timeout := time.Second * 3
+	if err := cli.ContainerStop(ctx, i.id, &timeout); err != nil {
+		return err
 	}
 	// remove the stopped container.
 	return cli.ContainerRemove(ctx, i.id, types.ContainerRemoveOptions{})
@@ -110,7 +97,7 @@ func (i *ImgDB) prepare() []string {
 func (i *ImgDB) isOk() bool {
 	keyword := "database system is ready to accept connections"
 	okCh := make(chan struct{}, 1)
-	i.RegistFunc(keyword, func(buf string) {
+	i.cmd.RegistFunc(keyword, func(buf string) {
 		if strings.Contains(buf, keyword) {
 			select {
 			case okCh <- struct{}{}:
@@ -119,14 +106,16 @@ func (i *ImgDB) isOk() bool {
 			}
 		}
 	})
-	defer i.UnRegistFunc(keyword)
+	defer i.cmd.UnRegistFunc(keyword)
 
 	select {
 	case <-okCh:
-		time.Sleep(time.Millisecond * 1500)
-		i.id = docker.GetContainerID(i.name)
+		utils.TryTimes(3, func() bool {
+			i.id = GetContainerID(i.name)
+			return i.id != ""
+		})
 		return i.id != ""
-	case <-time.NewTimer(time.Second * 10).C:
+	case <-time.After(time.Second * 20):
 		return false
 	}
 }

common/docker/docker_geth.go

@@ -9,22 +9,11 @@ import (
 	"time"
 
 	"github.com/docker/docker/api/types"
-	"github.com/docker/docker/client"
-)
 
-var (
-	cli *client.Client
+	"scroll-tech/common/cmd"
+	"scroll-tech/common/utils"
 )
 
-func init() {
-	var err error
-	cli, err = client.NewClientWithOpts(client.FromEnv)
-	if err != nil {
-		panic(err)
-	}
-	cli.NegotiateAPIVersion(context.Background())
-}
-
 // ImgGeth the geth image manager include l1geth and l2geth.
 type ImgGeth struct {
 	image string
@@ -37,20 +26,21 @@ type ImgGeth struct {
 	wsPort   int
 
 	running bool
-	*Cmd
+	cmd     *cmd.Cmd
 }
 
 // NewImgGeth return geth img instance.
 func NewImgGeth(t *testing.T, image, volume, ipc string, hPort, wPort int) ImgInstance {
-	return &ImgGeth{
+	img := &ImgGeth{
 		image:    image,
-		name:     fmt.Sprintf("%s-%d", image, time.Now().Unix()),
+		name:     fmt.Sprintf("%s-%d", image, time.Now().Nanosecond()),
 		volume:   volume,
 		ipcPath:  ipc,
 		httpPort: hPort,
 		wsPort:   wPort,
-		Cmd:      NewCmd(t),
 	}
+	img.cmd = cmd.NewCmd(t, img.name, img.prepare()...)
+	return img
 }
 
 // Start run image and check if it is running healthily.
@@ -59,7 +49,7 @@ func (i *ImgGeth) Start() error {
 	if id != "" {
 		return fmt.Errorf("container already exist, name: %s", i.name)
 	}
-	i.Cmd.RunCmd(i.prepare(), true)
+	i.cmd.RunCmd(true)
 	i.running = i.isOk()
 	if !i.running {
 		_ = i.Stop()
@@ -86,7 +76,7 @@ func (i *ImgGeth) Endpoint() string {
 func (i *ImgGeth) isOk() bool {
 	keyword := "WebSocket enabled"
 	okCh := make(chan struct{}, 1)
-	i.RegistFunc(keyword, func(buf string) {
+	i.cmd.RegistFunc(keyword, func(buf string) {
 		if strings.Contains(buf, keyword) {
 			select {
 			case okCh <- struct{}{}:
@@ -95,13 +85,16 @@ func (i *ImgGeth) isOk() bool {
 			}
 		}
 	})
-	defer i.UnRegistFunc(keyword)
+	defer i.cmd.UnRegistFunc(keyword)
 
 	select {
 	case <-okCh:
-		i.id = GetContainerID(i.name)
+		utils.TryTimes(3, func() bool {
+			i.id = GetContainerID(i.name)
+			return i.id != ""
+		})
 		return i.id != ""
-	case <-time.NewTimer(time.Second * 10).C:
+	case <-time.After(time.Second * 10):
 		return false
 	}
 }

common/docker/docker_test.go

@@ -4,16 +4,25 @@ import (
 	"context"
 	"testing"
 
+	"github.com/jmoiron/sqlx"
+	_ "github.com/lib/pq" //nolint:golint
 	"github.com/scroll-tech/go-ethereum/ethclient"
 	"github.com/stretchr/testify/assert"
 )
 
-func TestL1Geth(t *testing.T) {
+func TestDocker(t *testing.T) {
+	t.Parallel()
+
+	t.Run("testL1Geth", testL1Geth)
+	t.Run("testL2Geth", testL2Geth)
+	t.Run("testDB", testDB)
+}
+
+func testL1Geth(t *testing.T) {
 	ctx, cancel := context.WithCancel(context.Background())
 	defer cancel()
 
-	img := NewImgGeth(t, "scroll_l1geth", "", "", 8535, 0)
-	assert.NoError(t, img.Start())
+	img := NewTestL1Docker(t)
 	defer img.Stop()
 
 	client, err := ethclient.Dial(img.Endpoint())
@@ -24,12 +33,11 @@ func TestL1Geth(t *testing.T) {
 	t.Logf("chainId: %s", chainID.String())
 }
 
-func TestL2Geth(t *testing.T) {
+func testL2Geth(t *testing.T) {
 	ctx, cancel := context.WithCancel(context.Background())
 	defer cancel()
 
-	img := NewImgGeth(t, "scroll_l2geth", "", "", 8535, 0)
-	assert.NoError(t, img.Start())
+	img := NewTestL2Docker(t)
 	defer img.Stop()
 
 	client, err := ethclient.Dial(img.Endpoint())
@@ -39,3 +47,13 @@ func TestL2Geth(t *testing.T) {
 	assert.NoError(t, err)
 	t.Logf("chainId: %s", chainID.String())
 }
+
+func testDB(t *testing.T) {
+	driverName := "postgres"
+	dbImg := NewTestDBDocker(t, driverName)
+	defer dbImg.Stop()
+
+	db, err := sqlx.Open(driverName, dbImg.Endpoint())
+	assert.NoError(t, err)
+	assert.NoError(t, db.Ping())
+}

common/docker/interface.go

@@ -5,8 +5,22 @@ import (
 
 	"github.com/docker/docker/api/types"
 	"github.com/docker/docker/api/types/filters"
+	"github.com/docker/docker/client"
 )
 
+var (
+	cli *client.Client
+)
+
+func init() {
+	var err error
+	cli, err = client.NewClientWithOpts(client.FromEnv)
+	if err != nil {
+		panic(err)
+	}
+	cli.NegotiateAPIVersion(context.Background())
+}
+
 // ImgInstance is an img instance.
 type ImgInstance interface {
 	Start() error
@@ -22,7 +36,7 @@ func GetContainerID(name string) string {
 		Filters: filter,
 	})
 	if len(lst) > 0 {
-		return lst[0].Names[0]
+		return lst[0].ID
 	}
 	return ""
 }

common/docker/l2geth/Dockerfile

@@ -1,4 +1,4 @@
-FROM scrolltech/l2geth:prealpha-v2.2
+FROM scrolltech/l2geth:prealpha-v5.1
 
 RUN mkdir -p /l2geth/keystore
 

common/docker/mock.go

@@ -0,0 +1,78 @@
+package docker
+
+import (
+	"context"
+	"crypto/rand"
+	"math/big"
+	"testing"
+
+	"github.com/jmoiron/sqlx"
+	"github.com/scroll-tech/go-ethereum/ethclient"
+	"github.com/stretchr/testify/assert"
+
+	"scroll-tech/common/utils"
+)
+
+var (
+	l1StartPort = 10000
+	l2StartPort = 20000
+	dbStartPort = 30000
+)
+
+// NewTestL1Docker starts and returns l1geth docker
+func NewTestL1Docker(t *testing.T) ImgInstance {
+	id, _ := rand.Int(rand.Reader, big.NewInt(2000))
+	imgL1geth := NewImgGeth(t, "scroll_l1geth", "", "", 0, l1StartPort+int(id.Int64()))
+	assert.NoError(t, imgL1geth.Start())
+
+	// try 3 times to get chainID until is ok.
+	utils.TryTimes(3, func() bool {
+		client, _ := ethclient.Dial(imgL1geth.Endpoint())
+		if client != nil {
+			if _, err := client.ChainID(context.Background()); err == nil {
+				return true
+			}
+		}
+		return false
+	})
+
+	return imgL1geth
+}
+
+// NewTestL2Docker starts and returns l2geth docker
+func NewTestL2Docker(t *testing.T) ImgInstance {
+	id, _ := rand.Int(rand.Reader, big.NewInt(2000))
+	imgL2geth := NewImgGeth(t, "scroll_l2geth", "", "", 0, l2StartPort+int(id.Int64()))
+	assert.NoError(t, imgL2geth.Start())
+
+	// try 3 times to get chainID until is ok.
+	utils.TryTimes(3, func() bool {
+		client, _ := ethclient.Dial(imgL2geth.Endpoint())
+		if client != nil {
+			if _, err := client.ChainID(context.Background()); err == nil {
+				return true
+			}
+		}
+		return false
+	})
+
+	return imgL2geth
+}
+
+// NewTestDBDocker starts and returns database docker
+func NewTestDBDocker(t *testing.T, driverName string) ImgInstance {
+	id, _ := rand.Int(rand.Reader, big.NewInt(2000))
+	imgDB := NewImgDB(t, driverName, "123456", "test_db", dbStartPort+int(id.Int64()))
+	assert.NoError(t, imgDB.Start())
+
+	// try 5 times until the db is ready.
+	utils.TryTimes(5, func() bool {
+		db, _ := sqlx.Open(driverName, imgDB.Endpoint())
+		if db != nil {
+			return db.Ping() == nil
+		}
+		return false
+	})
+
+	return imgDB
+}

common/go.mod

@@ -3,48 +3,55 @@ module scroll-tech/common
 go 1.18
 
 require (
-	github.com/docker/docker v20.10.17+incompatible
-	github.com/mattn/go-colorable v0.1.8
-	github.com/mattn/go-isatty v0.0.14
-	github.com/scroll-tech/go-ethereum v1.10.14-0.20221012120556-b3a7c9b6917d
+	github.com/docker/docker v20.10.21+incompatible
+	github.com/jmoiron/sqlx v1.3.5
+	github.com/lib/pq v1.10.6
+	github.com/mattn/go-colorable v0.1.13
+	github.com/mattn/go-isatty v0.0.16
+	github.com/orcaman/concurrent-map v1.0.0
+	github.com/scroll-tech/go-ethereum v1.10.14-0.20230220082843-ec9254b0b1c6
 	github.com/stretchr/testify v1.8.0
-	golang.org/x/crypto v0.0.0-20220722155217-630584e8d5aa
+	github.com/urfave/cli/v2 v2.17.2-0.20221006022127-8f469abc00aa
+	gotest.tools v2.2.0+incompatible
 )
 
 require (
 	github.com/Microsoft/go-winio v0.6.0 // indirect
 	github.com/VictoriaMetrics/fastcache v1.6.0 // indirect
 	github.com/btcsuite/btcd v0.20.1-beta // indirect
-	github.com/cespare/xxhash/v2 v2.1.1 // 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 v0.0.0-20180603214616-504e848d77ea // indirect
+	github.com/deckarep/golang-set v1.8.0 // indirect
 	github.com/deepmap/oapi-codegen v1.8.2 // indirect
 	github.com/docker/distribution v2.8.1+incompatible // indirect
 	github.com/docker/go-connections v0.4.0 // indirect
 	github.com/docker/go-units v0.5.0 // indirect
 	github.com/edsrzf/mmap-go v1.0.0 // indirect
-	github.com/ethereum/go-ethereum v1.10.13 // indirect
+	github.com/ethereum/go-ethereum v1.11.1 // indirect
 	github.com/fjl/memsize v0.0.0-20190710130421-bcb5799ab5e5 // indirect
 	github.com/gballet/go-libpcsclite v0.0.0-20190607065134-2772fd86a8ff // indirect
+	github.com/go-logfmt/logfmt v0.5.1 // indirect
 	github.com/go-ole/go-ole v1.2.6 // indirect
-	github.com/go-stack/stack v1.8.0 // indirect
+	github.com/go-stack/stack v1.8.1 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
 	github.com/golang/snappy v0.0.4 // indirect
-	github.com/google/go-cmp v0.5.8 // indirect
+	github.com/google/go-cmp v0.5.9 // indirect
 	github.com/google/uuid v1.3.0 // indirect
-	github.com/gorilla/websocket v1.4.2 // indirect
-	github.com/graph-gophers/graphql-go v0.0.0-20201113091052-beb923fada29 // 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/hashicorp/golang-lru v0.5.5-0.20210104140557-80c98217689d // indirect
 	github.com/holiman/bloomfilter/v2 v2.0.3 // indirect
 	github.com/holiman/uint256 v1.2.0 // indirect
-	github.com/huin/goupnp v1.0.2 // indirect
-	github.com/iden3/go-iden3-crypto v0.0.12 // indirect
+	github.com/huin/goupnp v1.0.3 // indirect
+	github.com/iden3/go-iden3-crypto v0.0.13 // indirect
 	github.com/influxdata/influxdb v1.8.3 // indirect
 	github.com/influxdata/influxdb-client-go/v2 v2.4.0 // indirect
 	github.com/influxdata/line-protocol v0.0.0-20210311194329-9aa0e372d097 // indirect
-	github.com/jackpal/go-nat-pmp v1.0.2-0.20160603034137-1fa385a6f458 // indirect
+	github.com/jackpal/go-nat-pmp v1.0.2 // indirect
 	github.com/mattn/go-runewidth v0.0.9 // indirect
+	github.com/mattn/go-sqlite3 v1.14.14 // indirect
 	github.com/mitchellh/mapstructure v1.5.0 // indirect
 	github.com/mitchellh/pointerstructure v1.2.0 // indirect
 	github.com/moby/term v0.0.0-20220808134915-39b0c02b01ae // indirect
@@ -59,21 +66,25 @@ require (
 	github.com/prometheus/tsdb v0.7.1 // indirect
 	github.com/rjeczalik/notify v0.9.1 // indirect
 	github.com/rs/cors v1.7.0 // indirect
+	github.com/russross/blackfriday/v2 v2.1.0 // indirect
+	github.com/scroll-tech/zktrie v0.5.0 // indirect
 	github.com/shirou/gopsutil v3.21.11+incompatible // indirect
 	github.com/sirupsen/logrus v1.9.0 // indirect
-	github.com/status-im/keycard-go v0.0.0-20190316090335-8537d3370df4 // indirect
+	github.com/status-im/keycard-go v0.2.0 // indirect
 	github.com/syndtr/goleveldb v1.0.1-0.20210819022825-2ae1ddf74ef7 // indirect
 	github.com/tklauser/go-sysconf v0.3.10 // indirect
 	github.com/tklauser/numcpus v0.4.0 // indirect
-	github.com/tyler-smith/go-bip39 v1.0.1-0.20181017060643-dbb3b84ba2ef // 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/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4 // indirect
-	golang.org/x/net v0.0.0-20220812174116-3211cb980234 // indirect
-	golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4 // indirect
-	golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab // indirect
-	golang.org/x/text v0.3.7 // indirect
-	golang.org/x/time v0.0.0-20210220033141-f8bda1e9f3ba // indirect
-	golang.org/x/tools v0.1.12 // indirect
+	golang.org/x/crypto v0.6.0 // indirect
+	golang.org/x/mod v0.7.0 // indirect
+	golang.org/x/net v0.6.0 // indirect
+	golang.org/x/sync v0.1.0 // indirect
+	golang.org/x/sys v0.5.0 // indirect
+	golang.org/x/text v0.7.0 // indirect
+	golang.org/x/time v0.0.0-20220922220347-f3bd1da661af // indirect
+	golang.org/x/tools v0.3.0 // indirect
 	gopkg.in/natefinch/npipe.v2 v2.0.0-20160621034901-c1b8fa8bdcce // indirect
 	gopkg.in/urfave/cli.v1 v1.20.0 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect

common/go.sum

@@ -77,8 +77,9 @@ github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA
 github.com/cespare/cp v0.1.0 h1:SE+dxFebS7Iik5LK0tsi1k9ZCxEaFX4AjQmoyA+1dJk=
 github.com/cespare/cp v0.1.0/go.mod h1:SOGHArjBr4JWaSDEVpWpo/hNg6RoKrls6Oh40hiwW+s=
 github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
-github.com/cespare/xxhash/v2 v2.1.1 h1:6MnRN8NT7+YBpUIWxHtefFZOKTAPgGjpQSxqLNn0+qY=
 github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
+github.com/cespare/xxhash/v2 v2.2.0 h1:DC2CZ1Ep5Y4k3ZQ899DldepgrayRUGE6BBZ/cd9Cj44=
+github.com/cespare/xxhash/v2 v2.2.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
 github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
 github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
@@ -87,6 +88,8 @@ github.com/cloudflare/cloudflare-go v0.14.0/go.mod h1:EnwdgGMaFOruiPZRFSgn+TsQ3h
 github.com/consensys/bavard v0.1.8-0.20210406032232-f3452dc9b572/go.mod h1:Bpd0/3mZuaj6Sj+PqrmIquiOKy397AKGThQPaGzNXAQ=
 github.com/consensys/gnark-crypto v0.4.1-0.20210426202927-39ac3d4b3f1f/go.mod h1:815PAHg3wvysy0SyIqanF8gZ0Y1wjk/hrDHD/iT88+Q=
 github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
+github.com/cpuguy83/go-md2man/v2 v2.0.2 h1:p1EgwI/C7NhT0JmVkwCD2ZBK8j4aeHQX2pMHHBfMQ6w=
+github.com/cpuguy83/go-md2man/v2 v2.0.2/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/creack/pty v1.1.11/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/cyberdelia/templates v0.0.0-20141128023046-ca7fffd4298c/go.mod h1:GyV+0YP4qX0UQ7r2MoYZ+AvYDp12OF5yg4q8rGnyNh4=
@@ -96,8 +99,9 @@ github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSs
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/dchest/blake512 v1.0.0/go.mod h1:FV1x7xPPLWukZlpDpWQ88rF/SFwZ5qbskrzhLMB92JI=
-github.com/deckarep/golang-set v0.0.0-20180603214616-504e848d77ea h1:j4317fAZh7X6GqbFowYdYdI0L9bwxL07jyPZIdepyZ0=
 github.com/deckarep/golang-set v0.0.0-20180603214616-504e848d77ea/go.mod h1:93vsz/8Wt4joVM7c2AVqh+YRMiUSc14yDtF28KmMOgQ=
+github.com/deckarep/golang-set v1.8.0 h1:sk9/l/KqpunDwP7pSjUg0keiOOLEnOBHzykLrsPppp4=
+github.com/deckarep/golang-set v1.8.0/go.mod h1:5nI87KwE7wgsBU1F4GKAw2Qod7p5kyS383rP6+o6qqo=
 github.com/deepmap/oapi-codegen v1.6.0/go.mod h1:ryDa9AgbELGeB+YEXE1dR53yAjHwFvE9iAUlWl9Al3M=
 github.com/deepmap/oapi-codegen v1.8.2 h1:SegyeYGcdi0jLLrpbCMoJxnUUn8GBXHsvr4rbzjuhfU=
 github.com/deepmap/oapi-codegen v1.8.2/go.mod h1:YLgSKSDv/bZQB7N4ws6luhozi3cEdRktEqrX88CvjIw=
@@ -108,8 +112,8 @@ github.com/dlclark/regexp2 v1.4.1-0.20201116162257-a2a8dda75c91/go.mod h1:2pZnwu
 github.com/docker/distribution v2.8.1+incompatible h1:Q50tZOPR6T/hjNsyc9g8/syEs6bk8XXApsHjKukMl68=
 github.com/docker/distribution v2.8.1+incompatible/go.mod h1:J2gT2udsDAN96Uj4KfcMRqY0/ypR+oyYUYmja8H+y+w=
 github.com/docker/docker v1.4.2-0.20180625184442-8e610b2b55bf/go.mod h1:eEKB0N0r5NX/I1kEveEz05bcu8tLC/8azJZsviup8Sk=
-github.com/docker/docker v20.10.17+incompatible h1:JYCuMrWaVNophQTOrMMoSwudOVEfcegoZZrleKc1xwE=
-github.com/docker/docker v20.10.17+incompatible/go.mod h1:eEKB0N0r5NX/I1kEveEz05bcu8tLC/8azJZsviup8Sk=
+github.com/docker/docker v20.10.21+incompatible h1:UTLdBmHk3bEY+w8qeO5KttOhy6OmXWsl/FEet9Uswog=
+github.com/docker/docker v20.10.21+incompatible/go.mod h1:eEKB0N0r5NX/I1kEveEz05bcu8tLC/8azJZsviup8Sk=
 github.com/docker/go-connections v0.4.0 h1:El9xVISelRB7BuFusrZozjnkIM5YnzCViNKohAFqRJQ=
 github.com/docker/go-connections v0.4.0/go.mod h1:Gbd7IOopHjR8Iph03tsViu4nIes5XhDvyHbTtUxmeec=
 github.com/docker/go-units v0.5.0 h1:69rxXcBk27SvSaaxTtLh/8llcHD8vYHT7WSdRZ/jvr4=
@@ -121,15 +125,16 @@ github.com/edsrzf/mmap-go v1.0.0 h1:CEBF7HpRnUCSJgGUb5h1Gm7e3VkmVDrR8lvWVLtrOFw=
 github.com/edsrzf/mmap-go v1.0.0/go.mod h1:YO35OhQPt3KJa3ryjFM5Bs14WD66h8eGKpfaBNrHW5M=
 github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
-github.com/ethereum/go-ethereum v1.10.13 h1:DEYFP9zk+Gruf3ae1JOJVhNmxK28ee+sMELPLgYTXpA=
 github.com/ethereum/go-ethereum v1.10.13/go.mod h1:W3yfrFyL9C1pHcwY5hmRHVDaorTiQxhYBkKyu5mEDHw=
+github.com/ethereum/go-ethereum v1.11.1 h1:EMymmWFzpS7G9l9NvVN8G73cgdUIqDPNRf2YTSGBXlk=
+github.com/ethereum/go-ethereum v1.11.1/go.mod h1:DuefStAgaxoaYGLR0FueVcVbehmn5n9QUcVrMCuOvuc=
 github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
 github.com/fjl/memsize v0.0.0-20190710130421-bcb5799ab5e5 h1:FtmdgXiUlNeRsoNMFlKLDt+S+6hbjVMEW6RGQ7aUf7c=
 github.com/fjl/memsize v0.0.0-20190710130421-bcb5799ab5e5/go.mod h1:VvhXpOYNQvB+uIk2RvXzuaQtkQJzzIx6lSBe1xv7hi0=
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@@ -143,8 +148,9 @@ github.com/go-gl/glfw/v3.3/glfw v0.0.0-20191125211704-12ad95a8df72/go.mod h1:tQ2
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@@ -192,8 +201,8 @@ github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/
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@@ -207,10 +216,12 @@ github.com/googleapis/gax-go/v2 v2.0.4/go.mod h1:0Wqv26UfaUD9n4G6kQubkQ+KchISgw+
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@@ -222,12 +233,14 @@ github.com/holiman/bloomfilter/v2 v2.0.3/go.mod h1:zpoh+gs7qcpqrHr3dB55AMiJwo0iU
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@@ -243,20 +256,23 @@ github.com/influxdata/promql/v2 v2.12.0/go.mod h1:fxOPu+DY0bqCTCECchSRtWfc+0X19y
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@@ -269,11 +285,10 @@ github.com/klauspost/cpuid v0.0.0-20170728055534-ae7887de9fa5/go.mod h1:Pj4uuM52
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@@ -284,26 +299,33 @@ github.com/labstack/gommon v0.3.0/go.mod h1:MULnywXg0yavhxWKc+lOruYdAhDwPK9wf0OL
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@@ -343,6 +365,8 @@ github.com/opentracing/opentracing-go v1.0.2/go.mod h1:UkNAQd3GIcIGf0SeVgPpRdFSt
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@@ -372,11 +396,16 @@ github.com/retailnext/hllpp v1.0.1-0.20180308014038-101a6d2f8b52/go.mod h1:RDpi1
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@@ -393,8 +422,9 @@ github.com/spaolacci/murmur3 v0.0.0-20180118202830-f09979ecbc72/go.mod h1:JwIasO
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@@ -416,14 +446,19 @@ github.com/tklauser/go-sysconf v0.3.10/go.mod h1:C8XykCvCb+Gn0oNCWPIlcb0RuglQTYa
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@@ -446,8 +481,8 @@ golang.org/x/crypto v0.0.0-20200820211705-5c72a883971a/go.mod h1:LzIPMQfyMNhhGPh
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@@ -477,8 +512,8 @@ golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzB
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@@ -505,8 +540,8 @@ golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v
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@@ -521,8 +556,9 @@ golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJ
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@@ -562,15 +598,15 @@ golang.org/x/sys v0.0.0-20210420205809-ac73e9fd8988/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20210616094352-59db8d763f22/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20210816183151-1e6c022a8912/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20211216021012-1d35b9e2eb4e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220128215802-99c3d69c2c27/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab h1:2QkjZIsXupsJbJIdSjjUOgWK3aEtzyuh2mPt3l/CkeU=
 golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.5.0 h1:MUK/U/4lj1t1oPg0HfuXDN/Z1wv31ZJ/YcPiGccS4DU=
+golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
@@ -581,13 +617,15 @@ golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.4/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.5/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
-golang.org/x/text v0.3.7 h1:olpwvP2KacW1ZWvsR7uQhoyTYvKAupfQrRGBFM352Gk=
 golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
+golang.org/x/text v0.7.0 h1:4BRB4x83lYWy72KwLD/qYDuTu7q9PjSagHvijDw7cLo=
+golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
 golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20201208040808-7e3f01d25324/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
-golang.org/x/time v0.0.0-20210220033141-f8bda1e9f3ba h1:O8mE0/t419eoIwhTFpKVkHiTs/Igowgfkj25AcZrtiE=
 golang.org/x/time v0.0.0-20210220033141-f8bda1e9f3ba/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
+golang.org/x/time v0.0.0-20220922220347-f3bd1da661af h1:Yx9k8YCG3dvF87UAn2tu2HQLf2dt/eR1bXxpLMWeH+Y=
+golang.org/x/time v0.0.0-20220922220347-f3bd1da661af/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/tools v0.0.0-20180525024113-a5b4c53f6e8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20181030221726-6c7e314b6563/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
@@ -618,13 +656,13 @@ golang.org/x/tools v0.0.0-20200108203644-89082a384178/go.mod h1:TB2adYChydJhpapK
 golang.org/x/tools v0.0.0-20200619180055-7c47624df98f/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
 golang.org/x/tools v0.0.0-20210106214847-113979e3529a/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
 golang.org/x/tools v0.1.0/go.mod h1:xkSsbof2nBLbhDlRMhhhyNLN/zl3eTqcnHD5viDpcZ0=
-golang.org/x/tools v0.1.12 h1:VveCTK38A2rkS8ZqFY25HIDFscX5X9OoEhJd3quQmXU=
-golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
+golang.org/x/tools v0.3.0 h1:SrNbZl6ECOS1qFzgTdQfWXZM9XBkiA6tkFrH9YSTPHM=
+golang.org/x/tools v0.3.0/go.mod h1:/rWhSS2+zyEVwoJf8YAX6L2f0ntZ7Kn/mGgAWcipA5k=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20220517211312-f3a8303e98df h1:5Pf6pFKu98ODmgnpvkJ3kFUOQGGLIzLIkbzUHp47618=
 gonum.org/v1/gonum v0.0.0-20180816165407-929014505bf4/go.mod h1:Y+Yx5eoAFn32cQvJDxZx5Dpnq+c3wtXuadVZAcxbbBo=
 gonum.org/v1/gonum v0.0.0-20181121035319-3f7ecaa7e8ca/go.mod h1:Y+Yx5eoAFn32cQvJDxZx5Dpnq+c3wtXuadVZAcxbbBo=
 gonum.org/v1/gonum v0.6.0/go.mod h1:9mxDZsDKxgMAuccQkewq682L+0eCu4dCN2yonUJTCLU=
@@ -693,6 +731,7 @@ gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gotest.tools v2.2.0+incompatible h1:VsBPFP1AI068pPrMxtb/S8Zkgf9xEmTLJjfM+P5UIEo=
 gotest.tools v2.2.0+incompatible/go.mod h1:DsYFclhRJ6vuDpmuTbkuFWG+y2sxOXAzmJt81HFBacw=
 gotest.tools/v3 v3.0.2/go.mod h1:3SzNCllyD9/Y+b5r9JIKQ474KzkZyqLqEfYqMsX94Bk=
 gotest.tools/v3 v3.4.0 h1:ZazjZUfuVeZGLAmlKKuyv3IKP5orXcwtOwDQH6YVr6o=

common/libzkp/impl/Cargo.toml

@@ -0,0 +1,36 @@
+[package]
+name = "zkp"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+[lib]
+crate-type = ["staticlib"]
+
+[patch."https://github.com/privacy-scaling-explorations/halo2.git"]
+halo2_proofs = { git = "https://github.com/scroll-tech/halo2.git", branch = "scroll-dev-0220"  }
+[patch."https://github.com/privacy-scaling-explorations/poseidon.git"]
+poseidon = { git = "https://github.com/scroll-tech/poseidon.git", branch = "scroll-dev-0220" }
+[patch."https://github.com/scroll-tech/zktrie.git"]
+zktrie = { git = "https://github.com/lispc/zktrie", branch = "scroll-dev-0215" }
+
+[dependencies]
+zkevm = { git = "https://github.com/scroll-tech/scroll-zkevm", branch="goerli-0215" }
+types = { git = "https://github.com/scroll-tech/scroll-zkevm", branch="goerli-0215" }
+
+log = "0.4"
+env_logger = "0.9.0"
+serde = "1.0"
+serde_derive = "1.0"
+serde_json = "1.0.66"
+libc = "0.2"
+once_cell = "1.8.0"
+
+
+[profile.test]
+opt-level = 3
+debug-assertions = true
+
+[profile.release]
+opt-level = 3
+debug-assertions = true

common/libzkp/impl/rust-toolchain

@@ -0,0 +1 @@
+nightly-2022-12-10

common/libzkp/impl/src/lib.rs

@@ -1,6 +1,7 @@
 #![feature(once_cell)]
 
 pub mod prove;
+pub mod verify;
 
 pub(crate) mod utils {
     use std::ffi::{CStr, CString};

common/libzkp/impl/src/prove.rs

@@ -1,7 +1,7 @@
 use crate::utils::{c_char_to_str, c_char_to_vec, vec_to_c_char};
 use libc::c_char;
 use std::cell::OnceCell;
-use types::eth::BlockResult;
+use types::eth::BlockTrace;
 use zkevm::circuit::AGG_DEGREE;
 use zkevm::utils::{load_or_create_params, load_or_create_seed};
 use zkevm::{circuit::DEGREE, prover::Prover};
@@ -11,6 +11,8 @@ static mut PROVER: OnceCell<Prover> = OnceCell::new();
 /// # Safety
 #[no_mangle]
 pub unsafe extern "C" fn init_prover(params_path: *const c_char, seed_path: *const c_char) {
+    env_logger::init();
+
     let params_path = c_char_to_str(params_path);
     let seed_path = c_char_to_str(seed_path);
     let params = load_or_create_params(params_path, *DEGREE).unwrap();
@@ -24,7 +26,7 @@ pub unsafe extern "C" fn init_prover(params_path: *const c_char, seed_path: *con
 #[no_mangle]
 pub unsafe extern "C" fn create_agg_proof(trace_char: *const c_char) -> *const c_char {
     let trace_vec = c_char_to_vec(trace_char);
-    let trace = serde_json::from_slice::<BlockResult>(&trace_vec).unwrap();
+    let trace = serde_json::from_slice::<BlockTrace>(&trace_vec).unwrap();
     let proof = PROVER
         .get_mut()
         .unwrap()
@@ -33,3 +35,17 @@ pub unsafe extern "C" fn create_agg_proof(trace_char: *const c_char) -> *const c
     let proof_bytes = serde_json::to_vec(&proof).unwrap();
     vec_to_c_char(proof_bytes)
 }
+
+/// # Safety
+#[no_mangle]
+pub unsafe extern "C" fn create_agg_proof_multi(trace_char: *const c_char) -> *const c_char {
+    let trace_vec = c_char_to_vec(trace_char);
+    let traces = serde_json::from_slice::<Vec<BlockTrace>>(&trace_vec).unwrap();
+    let proof = PROVER
+        .get_mut()
+        .unwrap()
+        .create_agg_circuit_proof_batch(traces.as_slice())
+        .unwrap();
+    let proof_bytes = serde_json::to_vec(&proof).unwrap();
+    vec_to_c_char(proof_bytes)
+}

common/libzkp/impl/src/verify.rs

@@ -0,0 +1,40 @@
+use crate::utils::{c_char_to_str, c_char_to_vec};
+use libc::c_char;
+use std::fs::File;
+use std::io::Read;
+use zkevm::circuit::{AGG_DEGREE, DEGREE};
+use zkevm::prover::AggCircuitProof;
+use zkevm::utils::load_or_create_params;
+use zkevm::verifier::Verifier;
+
+static mut VERIFIER: Option<&Verifier> = None;
+
+/// # Safety
+#[no_mangle]
+pub unsafe extern "C" fn init_verifier(params_path: *const c_char, agg_vk_path: *const c_char) {
+    env_logger::init();
+
+    let params_path = c_char_to_str(params_path);
+    let agg_vk_path = c_char_to_str(agg_vk_path);
+    let mut f = File::open(agg_vk_path).unwrap();
+    let mut agg_vk = vec![];
+    f.read_to_end(&mut agg_vk).unwrap();
+
+    let params = load_or_create_params(params_path, *DEGREE).unwrap();
+    let agg_params = load_or_create_params(params_path, *AGG_DEGREE).unwrap();
+
+    let v = Box::new(Verifier::from_params(params, agg_params, Some(agg_vk)));
+    VERIFIER = Some(Box::leak(v))
+}
+
+/// # Safety
+#[no_mangle]
+pub unsafe extern "C" fn verify_agg_proof(proof: *const c_char) -> c_char {
+    let proof_vec = c_char_to_vec(proof);
+    let agg_proof = serde_json::from_slice::<AggCircuitProof>(proof_vec.as_slice()).unwrap();
+    let verified = VERIFIER
+        .unwrap()
+        .verify_agg_circuit_proof(agg_proof)
+        .is_ok();
+    verified as c_char
+}

common/libzkp/interface/libzkp.h

@@ -0,0 +1,5 @@
+init_prover(char *params_path, char *seed_path);
+char* create_agg_proof(char *trace);
+char* create_agg_proof_multi(char *trace);
+init_verifier(char *params_path, char *agg_vk_path);
+char verify_agg_proof(char *proof);

common/message/message.go

@@ -2,56 +2,32 @@ package message
 
 import (
 	"crypto/ecdsa"
-	"encoding/binary"
-	"encoding/json"
+	"crypto/rand"
+	"encoding/hex"
 
 	"github.com/scroll-tech/go-ethereum/common"
+	"github.com/scroll-tech/go-ethereum/common/hexutil"
 	"github.com/scroll-tech/go-ethereum/core/types"
 	"github.com/scroll-tech/go-ethereum/crypto"
-	"golang.org/x/crypto/blake2s"
+	"github.com/scroll-tech/go-ethereum/rlp"
 )
 
-// MsgType denotes the type of message being sent or received.
-type MsgType uint16
-
-const (
-	// Error message.
-	Error MsgType = iota
-	// Register message, sent by a roller when a connection is established.
-	Register
-	// BlockTrace message, sent by a sequencer to a roller to notify them
-	// they need to generate a proof.
-	BlockTrace
-	// Proof message, sent by a roller to a sequencer when they have finished
-	// proof generation of a given set of block traces.
-	Proof
-)
-
-// RespStatus is the status of the proof generation
+// RespStatus represents status code from roller to scroll
 type RespStatus uint32
 
 const (
-	// StatusOk indicates the proof generation succeeded
+	// StatusOk means generate proof success
 	StatusOk RespStatus = iota
-	// StatusProofError indicates the proof generation failed
+	// StatusProofError means generate proof failed
 	StatusProofError
 )
 
-// Msg is the top-level message container which contains the payload and the
-// message identifier.
-type Msg struct {
-	// Message type
-	Type MsgType `json:"type"`
-	// Message payload
-	Payload []byte `json:"payload"`
-}
-
-// AuthMessage is the first message exchanged from the Roller to the Sequencer.
+// AuthMsg is the first message exchanged from the Roller to the Sequencer.
 // It effectively acts as a registration, and makes the Roller identification
 // known to the Sequencer.
-type AuthMessage struct {
+type AuthMsg struct {
 	// Message fields
-	Identity Identity `json:"message"`
+	Identity *Identity `json:"message"`
 	// Roller signature
 	Signature string `json:"signature"`
 }
@@ -60,17 +36,28 @@ type AuthMessage struct {
 type Identity struct {
 	// Roller name
 	Name string `json:"name"`
-	// Time of message creation
-	Timestamp int64 `json:"timestamp"`
+	// Unverified Unix timestamp of message creation
+	Timestamp uint32 `json:"timestamp"`
 	// Roller public key
 	PublicKey string `json:"publicKey"`
-	// Version is common.Version+ZK_VERSION. Use the following to check the latest ZK_VERSION version.
-	// curl -sL https://api.github.com/repos/scroll-tech/common-rs/commits | jq -r ".[0].sha"
+	// Version is common.Version+ZkVersion. Use the following to check the latest ZkVersion version.
+	// curl -sL https://api.github.com/repos/scroll-tech/scroll-zkevm/commits | jq -r ".[0].sha"
 	Version string `json:"version"`
+	// Random unique token generated by manager
+	Token string `json:"token"`
+}
+
+// GenerateToken generates token
+func GenerateToken() (string, error) {
+	b := make([]byte, 16)
+	if _, err := rand.Read(b); err != nil {
+		return "", err
+	}
+	return hex.EncodeToString(b), nil
 }
 
 // Sign auth message
-func (a *AuthMessage) Sign(priv *ecdsa.PrivateKey) error {
+func (a *AuthMsg) Sign(priv *ecdsa.PrivateKey) error {
 	// Hash identity content
 	hash, err := a.Identity.Hash()
 	if err != nil {
@@ -81,58 +68,155 @@ func (a *AuthMessage) Sign(priv *ecdsa.PrivateKey) error {
 	if err != nil {
 		return err
 	}
-	a.Signature = common.Bytes2Hex(sig)
+	a.Signature = hexutil.Encode(sig)
 
 	return nil
 }
 
+// Verify verifies the message of auth.
+func (a *AuthMsg) Verify() (bool, error) {
+	hash, err := a.Identity.Hash()
+	if err != nil {
+		return false, err
+	}
+	sig := common.FromHex(a.Signature)
+	// recover public key
+	if a.Identity.PublicKey == "" {
+		pk, err := crypto.SigToPub(hash, sig)
+		if err != nil {
+			return false, err
+		}
+		a.Identity.PublicKey = common.Bytes2Hex(crypto.CompressPubkey(pk))
+	}
+
+	return crypto.VerifySignature(common.FromHex(a.Identity.PublicKey), hash, sig[:len(sig)-1]), nil
+}
+
+// PublicKey return public key from signature
+func (a *AuthMsg) PublicKey() (string, error) {
+	if a.Identity.PublicKey == "" {
+		hash, err := a.Identity.Hash()
+		if err != nil {
+			return "", err
+		}
+		sig := common.FromHex(a.Signature)
+		// recover public key
+		pk, err := crypto.SigToPub(hash, sig)
+		if err != nil {
+			return "", err
+		}
+		a.Identity.PublicKey = common.Bytes2Hex(crypto.CompressPubkey(pk))
+		return a.Identity.PublicKey, nil
+	}
+
+	return a.Identity.PublicKey, nil
+}
+
 // Hash returns the hash of the auth message, which should be the message used
 // to construct the Signature.
 func (i *Identity) Hash() ([]byte, error) {
-	bs, err := json.Marshal(i)
+	byt, err := rlp.EncodeToBytes(i)
+	if err != nil {
+		return nil, err
+	}
+	hash := crypto.Keccak256Hash(byt)
+	return hash[:], nil
+}
+
+// ProofMsg is the data structure sent to the coordinator.
+type ProofMsg struct {
+	*ProofDetail `json:"zkProof"`
+	// Roller signature
+	Signature string `json:"signature"`
+
+	// Roller public key
+	publicKey string
+}
+
+// Sign signs the ProofMsg.
+func (a *ProofMsg) Sign(priv *ecdsa.PrivateKey) error {
+	hash, err := a.ProofDetail.Hash()
+	if err != nil {
+		return err
+	}
+	sig, err := crypto.Sign(hash, priv)
+	if err != nil {
+		return err
+	}
+	a.Signature = hexutil.Encode(sig)
+	return nil
+}
+
+// Verify verifies ProofMsg.Signature.
+func (a *ProofMsg) Verify() (bool, error) {
+	hash, err := a.ProofDetail.Hash()
+	if err != nil {
+		return false, err
+	}
+	sig := common.FromHex(a.Signature)
+	// recover public key
+	if a.publicKey == "" {
+		pk, err := crypto.SigToPub(hash, sig)
+		if err != nil {
+			return false, err
+		}
+		a.publicKey = common.Bytes2Hex(crypto.CompressPubkey(pk))
+	}
+
+	return crypto.VerifySignature(common.FromHex(a.publicKey), hash, sig[:len(sig)-1]), nil
+}
+
+// PublicKey return public key from signature
+func (a *ProofMsg) PublicKey() (string, error) {
+	if a.publicKey == "" {
+		hash, err := a.ProofDetail.Hash()
+		if err != nil {
+			return "", err
+		}
+		sig := common.FromHex(a.Signature)
+		// recover public key
+		pk, err := crypto.SigToPub(hash, sig)
+		if err != nil {
+			return "", err
+		}
+		a.publicKey = common.Bytes2Hex(crypto.CompressPubkey(pk))
+		return a.publicKey, nil
+	}
+
+	return a.publicKey, nil
+}
+
+// TaskMsg is a wrapper type around db ProveTask type.
+type TaskMsg struct {
+	ID     string              `json:"id"`
+	Traces []*types.BlockTrace `json:"blockTraces"`
+}
+
+// ProofDetail is the message received from rollers that contains zk proof, the status of
+// the proof generation succeeded, and an error message if proof generation failed.
+type ProofDetail struct {
+	ID     string     `json:"id"`
+	Status RespStatus `json:"status"`
+	Proof  *AggProof  `json:"proof"`
+	Error  string     `json:"error,omitempty"`
+}
+
+// Hash return proofMsg content hash.
+func (z *ProofDetail) Hash() ([]byte, error) {
+	byt, err := rlp.EncodeToBytes(z)
 	if err != nil {
 		return nil, err
 	}
 
-	hash := blake2s.Sum256(bs)
+	hash := crypto.Keccak256Hash(byt)
 	return hash[:], nil
 }
 
-// BlockTraces is a wrapper type around types.BlockResult which adds an ID
-// that identifies which proof generation session these block traces are
-// associated to. This then allows the roller to add the ID back to their
-// proof message once generated, and in turn helps the sequencer understand
-// where to handle the proof.
-type BlockTraces struct {
-	ID     uint64             `json:"id"`
-	Traces *types.BlockResult `json:"blockTraces"`
-}
-
-// ProofMsg is the message received from rollers that contains zk proof, the status of
-// the proof generation succeeded, and an error message if proof generation failed.
-type ProofMsg struct {
-	Status RespStatus `json:"status"`
-	Error  string     `json:"error,omitempty"`
-	ID     uint64     `json:"id"`
-	// FIXME: Maybe we need to allow Proof omitempty? Also in scroll.
-	Proof *AggProof `json:"proof"`
-}
-
 // AggProof includes the proof and public input that are required to verification and rollup.
 type AggProof struct {
-	Proof     []byte `json:"proof"`
-	Instance  []byte `json:"instance"`
-	FinalPair []byte `json:"final_pair"`
-	Vk        []byte `json:"vk"`
-}
-
-// Marshal marshals the TraceProof as bytes
-func (proof *AggProof) Marshal() ([]byte, error) {
-	jsonByt, err := json.Marshal(proof)
-	if err != nil {
-		return nil, err
-	}
-	buf := make([]byte, 4)
-	binary.BigEndian.PutUint32(buf, uint32(len(jsonByt)))
-	return append(buf, jsonByt...), nil
+	Proof      []byte `json:"proof"`
+	Instance   []byte `json:"instance"`
+	FinalPair  []byte `json:"final_pair"`
+	Vk         []byte `json:"vk"`
+	BlockCount uint   `json:"block_count"`
 }

common/message/message_test.go

@@ -0,0 +1,33 @@
+package message
+
+import (
+	"testing"
+	"time"
+
+	"github.com/scroll-tech/go-ethereum/common"
+	"github.com/scroll-tech/go-ethereum/crypto"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestAuthMessageSignAndVerify(t *testing.T) {
+	privkey, err := crypto.GenerateKey()
+	assert.NoError(t, err)
+
+	authMsg := &AuthMsg{
+		Identity: &Identity{
+			Name:      "testRoller",
+			Timestamp: uint32(time.Now().Unix()),
+		},
+	}
+	assert.NoError(t, authMsg.Sign(privkey))
+
+	ok, err := authMsg.Verify()
+	assert.NoError(t, err)
+	assert.Equal(t, true, ok)
+
+	// Check public key is ok.
+	pub, err := authMsg.PublicKey()
+	assert.NoError(t, err)
+	pubkey := crypto.CompressPubkey(&privkey.PublicKey)
+	assert.Equal(t, pub, common.Bytes2Hex(pubkey))
+}