batch proposer: only sleep if we failed to create batch (#388)

Co-authored-by: HAOYUatHZ <37070449+HAOYUatHZ@users.noreply.github.com>

.github/workflows/bridge.yml

@@ -5,6 +5,8 @@ on:
     branches:
       - main
       - staging
+      - develop
+      - alpha
     paths:
       - 'bridge/**'
       - '.github/workflows/bridge.yml'
@@ -12,6 +14,8 @@ on:
     branches:
       - main
       - staging
+      - develop
+      - alpha
     paths:
       - 'bridge/**'
       - '.github/workflows/bridge.yml'

.github/workflows/common.yml

@@ -5,6 +5,8 @@ on:
     branches:
       - main
       - staging
+      - develop
+      - alpha
     paths:
       - 'common/**'
       - '.github/workflows/common.yml'
@@ -12,6 +14,8 @@ on:
     branches:
       - main
       - staging
+      - develop
+      - alpha
     paths:
       - 'common/**'
       - '.github/workflows/common.yml'

.github/workflows/contracts.yaml

@@ -2,22 +2,10 @@ name: Contracts
 
 on:
   push:
-    branches:
-      - master
-      - main
-      - prod
-      - release/*
-      - staging
     paths:
       - 'contracts/**'
       - '.github/workflows/contracts.yaml'
   pull_request:
-    branches:
-      - master
-      - main
-      - prod
-      - release/*
-      - staging
     paths:
       - 'contracts/**'
       - '.github/workflows/contracts.yaml'
@@ -40,6 +28,9 @@ jobs:
         uses: foundry-rs/foundry-toolchain@v1
         with:
           version: nightly
+      
+      - name: Setup LCOV
+        uses: hrishikesh-kadam/setup-lcov@v1
 
       - name: Install Node.js 14
         uses: actions/setup-node@v2
@@ -76,6 +67,22 @@ jobs:
       - name: Run foundry tests
         run: forge test -vvv
 
+      - name: Run foundry coverage
+        run : forge coverage --report lcov
+
+      - name : Prune coverage
+        run : lcov --remove ./lcov.info -o ./lcov.info.pruned 'src/mocks/*' 'src/test/*' 'scripts/*' 'node_modules/*' 'lib/*'
+
+      - name: Report code coverage
+        uses: zgosalvez/github-actions-report-lcov@v3
+        with:
+          coverage-files: contracts/lcov.info.pruned
+          minimum-coverage: 0
+          artifact-name: code-coverage-report
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          working-directory: contracts
+          update-comment: true
+
   hardhat:
     runs-on: ubuntu-latest
 

.github/workflows/coordinator.yml

@@ -5,6 +5,8 @@ on:
     branches:
       - main
       - staging
+      - develop
+      - alpha
     paths:
       - 'coordinator/**'
       - '.github/workflows/coordinator.yml'
@@ -12,6 +14,8 @@ on:
     branches:
       - main
       - staging
+      - develop
+      - alpha
     paths:
       - 'coordinator/**'
       - '.github/workflows/coordinator.yml'

.github/workflows/database.yml

@@ -5,6 +5,8 @@ on:
     branches:
       - main
       - staging
+      - develop
+      - alpha
     paths:
       - 'database/**'
       - '.github/workflows/database.yml'
@@ -12,6 +14,8 @@ on:
     branches:
       - main
       - staging
+      - develop
+      - alpha
     paths:
       - 'database/**'
       - '.github/workflows/database.yml'

.github/workflows/roller.yml

@@ -5,6 +5,8 @@ on:
     branches:
       - main
       - staging
+      - develop
+      - alpha
     paths:
       - 'roller/**'
       - '.github/workflows/roller.yml'
@@ -12,6 +14,8 @@ on:
     branches:
       - main
       - staging
+      - develop
+      - alpha
     paths:
       - 'roller/**'
       - '.github/workflows/roller.yml'

Jenkinsfile

@@ -63,42 +63,42 @@ pipeline {
             parallel{
                 stage('Test bridge package') {
                     steps {
-                        sh 'go test -v -race -coverprofile=coverage.bridge.txt -covermode=atomic -p 1 scroll-tech/bridge/...'
+                        sh 'go test -v -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/...'
+                        sh 'go test -v -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/...'
+                        sh 'go test -v -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/...'
+                        sh 'go test -v -coverprofile=coverage.db.txt -covermode=atomic -p 1 scroll-tech/database/...'
                     }
                 }
                 stage('Integration test') {
                     steps {
-                        sh 'go test -v -race -tags="mock_prover mock_verifier" -coverprofile=coverage.integration.txt -covermode=atomic -p 1 scroll-tech/integration-test/...'
+                        sh 'go test -v -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')"
+                        sh 'go test -v -race -coverprofile=coverage.txt -covermode=atomic scroll-tech/bridge/...'
                     }
                 }
                 stage('Race test coordinator package') {
                     steps {
-                        sh "cd coordinator && go test -v -race -coverprofile=coverage.txt -covermode=atomic \$(go list ./... | grep -v 'database\\|common\\|l1\\|l2\\|coordinator')"
+                        sh 'go test -v -race -coverprofile=coverage.txt -covermode=atomic scroll-tech/coordinator/...'
                     }
                 }
                 stage('Race test database package') {
                     steps {
-                        sh "cd database && go test -v -race -coverprofile=coverage.txt -covermode=atomic \$(go list ./... | grep -v 'database\\|common\\|l1\\|l2\\|coordinator')"
+                        sh 'go test -v -race -coverprofile=coverage.txt -covermode=atomic scroll-tech/database/...'
                     }
                 }
             }

Makefile

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

bridge/abi/bridge_abi_test.go

@@ -10,69 +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{
-		BlockHeight: big.NewInt(0),
-		BatchIndex:  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 TestPackCommitBatch(t *testing.T) {
 	assert := assert.New(t)
 
-	l1RollupABI, err := bridge_abi.RollupMetaData.GetAbi()
+	scrollChainABI, err := bridge_abi.ScrollChainMetaData.GetAbi()
 	assert.NoError(err)
 
-	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),
-			R:        big.NewInt(0),
-			S:        big.NewInt(0),
-			V:        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,
 	}
 
-	header := bridge_abi.IZKRollupLayer2BlockHeader{
-		BlockHash:   common.Hash{},
-		ParentHash:  common.Hash{},
-		BaseFee:     big.NewInt(0),
-		StateRoot:   common.Hash{},
-		BlockHeight: 0,
-		GasUsed:     0,
-		Timestamp:   0,
-		ExtraData:   make([]byte, 0),
-		Txs:         txns,
+	batch := bridge_abi.IScrollChainBatch{
+		Blocks:           []bridge_abi.IScrollChainBlockContext{header},
+		PrevStateRoot:    common.Hash{},
+		NewStateRoot:     common.Hash{},
+		WithdrawTrieRoot: common.Hash{},
+		BatchIndex:       0,
+		L2Transactions:   make([]byte, 0),
 	}
 
-	batch := bridge_abi.IZKRollupLayer2Batch{
-		BatchIndex: 0,
-		ParentHash: common.Hash{},
-		Blocks:     []bridge_abi.IZKRollupLayer2BlockHeader{header},
-	}
-
-	_, err = l1RollupABI.Pack("commitBatch", batch)
+	_, err = scrollChainABI.Pack("commitBatch", batch)
 	assert.NoError(err)
 }
 
 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)
@@ -86,12 +91,43 @@ func TestPackFinalizeBatchWithProof(t *testing.T) {
 	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_test.go

@@ -10,10 +10,10 @@ import (
 )
 
 func TestRunBridge(t *testing.T) {
-	bridge := cmd.NewCmd(t, "bridge-test", "--version")
+	bridge := cmd.NewCmd("bridge-test", "--version")
 	defer bridge.WaitExit()
 
 	// wait result
-	bridge.ExpectWithTimeout(true, time.Second*3, fmt.Sprintf("bridge version %s", version.Version))
+	bridge.ExpectWithTimeout(t, true, time.Second*3, fmt.Sprintf("bridge version %s", version.Version))
 	bridge.RunApp(nil)
 }

bridge/config.json

@@ -3,13 +3,16 @@
     "confirmations": "0x6",
     "endpoint": "https://goerli.infura.io/v3/9aa3d95b3bc440fa88ea12eaa4456161",
     "l1_messenger_address": "0x0000000000000000000000000000000000000000",
-    "rollup_contract_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,
+        "check_balance_time": 100,
         "escalate_blocks": 100,
         "confirmations": "0x1",
         "escalate_multiple_num": 11,
@@ -18,8 +21,16 @@
         "tx_type": "LegacyTx",
         "min_balance": 100000000000000000000
       },
+      "gas_oracle_config": {
+        "min_gas_price": 0,
+        "gas_price_diff": 50000
+      },
+      "finalize_batch_interval_sec": 0,
       "message_sender_private_keys": [
         "1212121212121212121212121212121212121212121212121212121212121212"
+      ],
+      "gas_oracle_sender_private_keys": [
+        "1212121212121212121212121212121212121212121212121212121212121212"
       ]
     }
   },
@@ -27,12 +38,15 @@
     "confirmations": "0x1",
     "endpoint": "/var/lib/jenkins/workspace/SequencerPipeline/MyPrivateNetwork/geth.ipc",
     "l2_messenger_address": "0x0000000000000000000000000000000000000000",
+    "l2_message_queue_address": "0x0000000000000000000000000000000000000000",
     "relayer_config": {
       "rollup_contract_address": "0x0000000000000000000000000000000000000000",
       "messenger_contract_address": "0x0000000000000000000000000000000000000000",
+      "gas_price_oracle_address": "0x0000000000000000000000000000000000000000",
       "sender_config": {
         "endpoint": "https://goerli.infura.io/v3/9aa3d95b3bc440fa88ea12eaa4456161",
         "check_pending_time": 10,
+        "check_balance_time": 100,
         "escalate_blocks": 100,
         "confirmations": "0x6",
         "escalate_multiple_num": 11,
@@ -41,9 +55,17 @@
         "tx_type": "LegacyTx",
         "min_balance": 100000000000000000000
       },
+      "gas_oracle_config": {
+        "min_gas_price": 0,
+        "gas_price_diff": 50000
+      },
+      "finalize_batch_interval_sec": 0,
       "message_sender_private_keys": [
         "1212121212121212121212121212121212121212121212121212121212121212"
       ],
+      "gas_oracle_sender_private_keys": [
+        "1212121212121212121212121212121212121212121212121212121212121212"
+      ],
       "rollup_sender_private_keys": [
         "1212121212121212121212121212121212121212121212121212121212121212"
       ]
@@ -51,17 +73,21 @@
     "batch_proposer_config": {
       "proof_generation_freq": 1,
       "batch_gas_threshold": 3000000,
-      "batch_tx_num_threshold": 135,
+      "batch_tx_num_threshold": 44,
       "batch_time_sec": 300,
+      "batch_commit_time_sec": 1200,
       "batch_blocks_limit": 100,
-      "skipped_opcodes": [
-        "CREATE2",
-        "DELEGATECALL"
-      ]
+      "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_test.go

@@ -16,11 +16,9 @@ func TestConfig(t *testing.T) {
 	cfg, err := config.NewConfig("../config.json")
 	assert.True(t, assert.NoError(t, err), "failed to load config")
 
-	assert.True(t, len(cfg.L2Config.BatchProposerConfig.SkippedOpcodes) > 0)
-
-	assert.True(t, len(cfg.L1Config.RelayerConfig.MessageSenderPrivateKeys) > 0)
-	assert.True(t, len(cfg.L2Config.RelayerConfig.MessageSenderPrivateKeys) > 0)
-	assert.True(t, len(cfg.L2Config.RelayerConfig.RollupSenderPrivateKeys) > 0)
+	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)

bridge/config/l1_config.go

@@ -13,10 +13,12 @@ type L1Config struct {
 	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.
+	// The L1ScrollMessenger contract address deployed on layer 1 chain.
 	L1MessengerAddress common.Address `json:"l1_messenger_address"`
-	// The rollup contract address deployed on layer 1 chain.
-	RollupContractAddress common.Address `json:"rollup_contract_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

@@ -1,11 +1,11 @@
 package config
 
 import (
-	"encoding/json"
-
 	"github.com/scroll-tech/go-ethereum/rpc"
 
 	"github.com/scroll-tech/go-ethereum/common"
+
+	"scroll-tech/common/types"
 )
 
 // L2Config loads l2geth configuration items.
@@ -15,7 +15,9 @@ type L2Config struct {
 	// l2geth node url.
 	Endpoint string `json:"endpoint"`
 	// The messenger contract address deployed on layer 2 chain.
-	L2MessengerAddress common.Address `json:"l2_messenger_address,omitempty"`
+	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
@@ -32,44 +34,14 @@ type BatchProposerConfig struct {
 	BatchGasThreshold uint64 `json:"batch_gas_threshold"`
 	// Time waited to generate a batch even if gas_threshold not met
 	BatchTimeSec uint64 `json:"batch_time_sec"`
+	// Time waited to commit batches before the calldata met CommitTxCalldataSizeLimit
+	BatchCommitTimeSec uint64 `json:"batch_commit_time_sec"`
 	// Max number of blocks in a batch
 	BatchBlocksLimit uint64 `json:"batch_blocks_limit"`
-	// Skip generating proof when that opcodes appeared
-	SkippedOpcodes map[string]struct{} `json:"-"`
-}
-
-// batchProposerConfigAlias RelayerConfig alias name
-type batchProposerConfigAlias BatchProposerConfig
-
-// UnmarshalJSON unmarshal BatchProposerConfig config struct.
-func (b *BatchProposerConfig) UnmarshalJSON(input []byte) error {
-	var jsonConfig struct {
-		batchProposerConfigAlias
-		SkippedOpcodes []string `json:"skipped_opcodes,omitempty"`
-	}
-	if err := json.Unmarshal(input, &jsonConfig); err != nil {
-		return err
-	}
-
-	*b = BatchProposerConfig(jsonConfig.batchProposerConfigAlias)
-	b.SkippedOpcodes = make(map[string]struct{}, len(jsonConfig.SkippedOpcodes))
-	for _, opcode := range jsonConfig.SkippedOpcodes {
-		b.SkippedOpcodes[opcode] = struct{}{}
-	}
-	return nil
-}
-
-// MarshalJSON marshal BatchProposerConfig in order to transfer skipOpcodes.
-func (b *BatchProposerConfig) MarshalJSON() ([]byte, error) {
-	jsonConfig := struct {
-		batchProposerConfigAlias
-		SkippedOpcodes []string `json:"skipped_opcodes,omitempty"`
-	}{batchProposerConfigAlias(*b), nil}
-
-	// Load skipOpcodes.
-	for op := range b.SkippedOpcodes {
-		jsonConfig.SkippedOpcodes = append(jsonConfig.SkippedOpcodes, op)
-	}
-
-	return json.Marshal(&jsonConfig)
+	// Commit tx calldata size limit in bytes, target to cap the gas use of commit tx at 2M gas
+	CommitTxCalldataSizeLimit uint64 `json:"commit_tx_calldata_size_limit"`
+	// Commit tx calldata min size limit in bytes
+	CommitTxCalldataMinSize uint64 `json:"commit_tx_calldata_min_size,omitempty"`
+	// The public input hash config
+	PublicInputConfig *types.PublicInputHashConfig `json:"public_input_config"`
 }

bridge/config/relayer_config.go

@@ -31,6 +31,8 @@ type SenderConfig struct {
 	TxType string `json:"tx_type"`
 	// The min balance set for check and set balance for sender's accounts.
 	MinBalance *big.Int `json:"min_balance,omitempty"`
+	// The interval (in seconds) to check balance and top up sender's accounts
+	CheckBalanceTime uint64 `json:"check_balance_time"`
 }
 
 // RelayerConfig loads relayer configuration items.
@@ -41,11 +43,28 @@ type RelayerConfig struct {
 	RollupContractAddress common.Address `json:"rollup_contract_address,omitempty"`
 	// MessengerContractAddress store the scroll messenger contract address.
 	MessengerContractAddress common.Address `json:"messenger_contract_address"`
+	// GasPriceOracleContractAddress store the scroll messenger contract address.
+	GasPriceOracleContractAddress common.Address `json:"gas_price_oracle_contract_address"`
 	// sender config
 	SenderConfig *SenderConfig `json:"sender_config"`
+	// gas oracle config
+	GasOracleConfig *GasOracleConfig `json:"gas_oracle_config"`
+	// The interval in which we send finalize batch transactions.
+	FinalizeBatchIntervalSec uint64 `json:"finalize_batch_interval_sec"`
+	// MessageRelayMinGasLimit to avoid OutOfGas error
+	MessageRelayMinGasLimit uint64 `json:"message_relay_min_gas_limit,omitempty"`
 	// The private key of the relayer
-	MessageSenderPrivateKeys []*ecdsa.PrivateKey `json:"-"`
-	RollupSenderPrivateKeys  []*ecdsa.PrivateKey `json:"-"`
+	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
@@ -56,15 +75,17 @@ func (r *RelayerConfig) UnmarshalJSON(input []byte) error {
 	var jsonConfig struct {
 		relayerConfigAlias
 		// The private key of the relayer
-		MessageSenderPrivateKeys []string `json:"message_sender_private_keys"`
-		RollupSenderPrivateKeys  []string `json:"rollup_sender_private_keys,omitempty"`
+		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
 	}
 
-	// Get messenger private key list.
 	*r = RelayerConfig(jsonConfig.relayerConfigAlias)
+
+	// Get messenger private key list.
 	for _, privStr := range jsonConfig.MessageSenderPrivateKeys {
 		priv, err := crypto.ToECDSA(common.FromHex(privStr))
 		if err != nil {
@@ -73,6 +94,15 @@ func (r *RelayerConfig) UnmarshalJSON(input []byte) error {
 		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))
@@ -90,15 +120,21 @@ func (r *RelayerConfig) MarshalJSON() ([]byte, error) {
 	jsonConfig := struct {
 		relayerConfigAlias
 		// The private key of the relayer
-		MessageSenderPrivateKeys []string `json:"message_sender_private_keys"`
-		RollupSenderPrivateKeys  []string `json:"rollup_sender_private_keys,omitempty"`
-	}{relayerConfigAlias(*r), nil, nil}
+		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)))

bridge/go.mod

@@ -3,10 +3,9 @@ module scroll-tech/bridge
 go 1.18
 
 require (
-	github.com/iden3/go-iden3-crypto v0.0.13
 	github.com/orcaman/concurrent-map v1.0.0
-	github.com/scroll-tech/go-ethereum v1.10.14-0.20230220082843-ec9254b0b1c6
-	github.com/stretchr/testify v1.8.0
+	github.com/scroll-tech/go-ethereum v1.10.14-0.20230321020420-127af384ed04
+	github.com/stretchr/testify v1.8.2
 	github.com/urfave/cli/v2 v2.17.2-0.20221006022127-8f469abc00aa
 	golang.org/x/sync v0.1.0
 	modernc.org/mathutil v1.4.1
@@ -17,25 +16,27 @@ require (
 	github.com/cpuguy83/go-md2man/v2 v2.0.2 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/deckarep/golang-set v1.8.0 // indirect
-	github.com/ethereum/go-ethereum v1.11.1 // indirect
+	github.com/ethereum/go-ethereum v1.11.4 // indirect
 	github.com/go-ole/go-ole v1.2.6 // indirect
 	github.com/go-stack/stack v1.8.1 // indirect
 	github.com/google/uuid v1.3.0 // indirect
 	github.com/gorilla/websocket v1.5.0 // indirect
 	github.com/holiman/uint256 v1.2.0 // indirect
+	github.com/iden3/go-iden3-crypto v0.0.14 // indirect
 	github.com/mitchellh/mapstructure v1.5.0 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/remyoudompheng/bigfft v0.0.0-20200410134404-eec4a21b6bb0 // indirect
 	github.com/rjeczalik/notify v0.9.1 // indirect
 	github.com/russross/blackfriday/v2 v2.1.0 // indirect
-	github.com/scroll-tech/zktrie v0.5.0 // indirect
+	github.com/scroll-tech/zktrie v0.5.2 // indirect
 	github.com/shirou/gopsutil v3.21.11+incompatible // indirect
 	github.com/tklauser/go-sysconf v0.3.10 // indirect
 	github.com/tklauser/numcpus v0.4.0 // indirect
 	github.com/xrash/smetrics v0.0.0-20201216005158-039620a65673 // indirect
 	github.com/yusufpapurcu/wmi v1.2.2 // indirect
-	golang.org/x/crypto v0.6.0 // indirect
-	golang.org/x/sys v0.5.0 // indirect
+	golang.org/x/crypto v0.7.0 // indirect
+	golang.org/x/sys v0.6.0 // indirect
+	gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect
 	gopkg.in/natefinch/npipe.v2 v2.0.0-20160621034901-c1b8fa8bdcce // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

bridge/go.sum

@@ -1,63 +1,5 @@
-cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
-cloud.google.com/go v0.43.0/go.mod h1:BOSR3VbTLkk6FDC/TcffxP4NF/FFBGA5ku+jvKOP7pg=
-cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
-cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
-cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
-cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
-cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To=
-cloud.google.com/go v0.51.0/go.mod h1:hWtGJ6gnXH+KgDv+V0zFGDvpi07n3z8ZNj3T1RW0Gcw=
-cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
-cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE=
-cloud.google.com/go/bigtable v1.2.0/go.mod h1:JcVAOl45lrTmQfLj7T6TxyMzIN/3FGGcFm+2xVAli2o=
-cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
-cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
-cloud.google.com/go/pubsub v1.1.0/go.mod h1:EwwdRX2sKPjnvnqCa270oGRyludottCI76h+R3AArQw=
-cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
-cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0ZeosJ0Rtdos=
-collectd.org v0.3.0/go.mod h1:A/8DzQBkF6abtvrT2j/AU/4tiBgJWYyh0y/oB/4MlWE=
-dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
-github.com/Azure/azure-pipeline-go v0.2.1/go.mod h1:UGSo8XybXnIGZ3epmeBw7Jdz+HiUVpqIlpz/HKHylF4=
-github.com/Azure/azure-pipeline-go v0.2.2/go.mod h1:4rQ/NZncSvGqNkkOsNpOU1tgoNuIlp9AfUH5G1tvCHc=
-github.com/Azure/azure-storage-blob-go v0.7.0/go.mod h1:f9YQKtsG1nMisotuTPpO0tjNuEjKRYAcJU8/ydDI++4=
-github.com/Azure/go-autorest/autorest v0.9.0/go.mod h1:xyHB1BMZT0cuDHU7I0+g046+BFDTQ8rEZB0s4Yfa6bI=
-github.com/Azure/go-autorest/autorest/adal v0.5.0/go.mod h1:8Z9fGy2MpX0PvDjB1pEgQTmVqjGhiHBW7RJJEciWzS0=
-github.com/Azure/go-autorest/autorest/adal v0.8.0/go.mod h1:Z6vX6WXXuyieHAXwMj0S6HY6e6wcHn37qQMBQlvY3lc=
-github.com/Azure/go-autorest/autorest/date v0.1.0/go.mod h1:plvfp3oPSKwf2DNjlBjWF/7vwR+cUD/ELuzDCXwHUVA=
-github.com/Azure/go-autorest/autorest/date v0.2.0/go.mod h1:vcORJHLJEh643/Ioh9+vPmf1Ij9AEBM5FuBIXLmIy0g=
-github.com/Azure/go-autorest/autorest/mocks v0.1.0/go.mod h1:OTyCOPRA2IgIlWxVYxBee2F5Gr4kF2zd2J5cFRaIDN0=
-github.com/Azure/go-autorest/autorest/mocks v0.2.0/go.mod h1:OTyCOPRA2IgIlWxVYxBee2F5Gr4kF2zd2J5cFRaIDN0=
-github.com/Azure/go-autorest/autorest/mocks v0.3.0/go.mod h1:a8FDP3DYzQ4RYfVAxAN3SVSiiO77gL2j2ronKKP0syM=
-github.com/Azure/go-autorest/logger v0.1.0/go.mod h1:oExouG+K6PryycPJfVSxi/koC6LSNgds39diKLz7Vrc=
-github.com/Azure/go-autorest/tracing v0.5.0/go.mod h1:r/s2XiOKccPW3HrqB+W0TQzfbtp2fGCgRFtBroKn4Dk=
-github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
-github.com/DATA-DOG/go-sqlmock v1.3.3/go.mod h1:f/Ixk793poVmq4qj/V1dPUg2JEAKC73Q5eFN3EC/SaM=
-github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
-github.com/StackExchange/wmi v0.0.0-20180116203802-5d049714c4a6/go.mod h1:3eOhrUMpNV+6aFIbp5/iudMxNCF27Vw2OZgy4xEx0Fg=
 github.com/VictoriaMetrics/fastcache v1.6.0 h1:C/3Oi3EiBCqufydp1neRZkqcwmEiuRT9c3fqvvgKm5o=
-github.com/VictoriaMetrics/fastcache v1.6.0/go.mod h1:0qHz5QP0GMX4pfmMA/zt5RgfNuXJrTP0zS7DqpHGGTw=
 github.com/aead/siphash v1.0.1/go.mod h1:Nywa3cDsYNNK3gaciGTWPwHt0wlpNV15vwmswBAUSII=
-github.com/ajstarks/svgo v0.0.0-20180226025133-644b8db467af/go.mod h1:K08gAheRH3/J6wwsYMMT4xOr94bZjxIelGM0+d/wbFw=
-github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
-github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
-github.com/allegro/bigcache v1.2.1-0.20190218064605-e24eb225f156/go.mod h1:Cb/ax3seSYIx7SuZdm2G2xzfwmv3TPSk2ucNfQESPXM=
-github.com/andreyvit/diff v0.0.0-20170406064948-c7f18ee00883/go.mod h1:rCTlJbsFo29Kk6CurOXKm700vrz8f0KW0JNfpkRJY/8=
-github.com/apache/arrow/go/arrow v0.0.0-20191024131854-af6fa24be0db/go.mod h1:VTxUBvSJ3s3eHAg65PNgrsn5BtqCRPdmyXh6rAfdxN0=
-github.com/aws/aws-sdk-go-v2 v1.2.0/go.mod h1:zEQs02YRBw1DjK0PoJv3ygDYOFTre1ejlJWl8FwAuQo=
-github.com/aws/aws-sdk-go-v2/config v1.1.1/go.mod h1:0XsVy9lBI/BCXm+2Tuvt39YmdHwS5unDQmxZOYe8F5Y=
-github.com/aws/aws-sdk-go-v2/credentials v1.1.1/go.mod h1:mM2iIjwl7LULWtS6JCACyInboHirisUUdkBPoTHMOUo=
-github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.0.2/go.mod h1:3hGg3PpiEjHnrkrlasTfxFqUsZ2GCk/fMUn4CbKgSkM=
-github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.0.2/go.mod h1:45MfaXZ0cNbeuT0KQ1XJylq8A6+OpVV2E5kvY/Kq+u8=
-github.com/aws/aws-sdk-go-v2/service/route53 v1.1.1/go.mod h1:rLiOUrPLW/Er5kRcQ7NkwbjlijluLsrIbu/iyl35RO4=
-github.com/aws/aws-sdk-go-v2/service/sso v1.1.1/go.mod h1:SuZJxklHxLAXgLTc1iFXbEWkXs7QRTQpCLGaKIprQW0=
-github.com/aws/aws-sdk-go-v2/service/sts v1.1.1/go.mod h1:Wi0EBZwiz/K44YliU0EKxqTCJGUfYTWXrrBwkq736bM=
-github.com/aws/smithy-go v1.1.0/go.mod h1:EzMw8dbp/YJL4A5/sbhGddag+NPT7q084agLbB9LgIw=
-github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
-github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
-github.com/bmizerany/pat v0.0.0-20170815010413-6226ea591a40/go.mod h1:8rLXio+WjiTceGBHIoTvn60HIbs7Hm7bcHjyrSqYB9c=
-github.com/boltdb/bolt v1.3.1/go.mod h1:clJnj/oiGkjum5o1McbSZDSLxVThjynRyGBgiAx27Ps=
 github.com/btcsuite/btcd v0.20.1-beta h1:Ik4hyJqN8Jfyv3S4AGBOmyouMsYE3EdYODkMbQjwPGw=
 github.com/btcsuite/btcd v0.20.1-beta/go.mod h1:wVuoA8VJLEcwgqHBwHmzLRazpKxTv13Px/pDuV7OomQ=
 github.com/btcsuite/btclog v0.0.0-20170628155309-84c8d2346e9f/go.mod h1:TdznJufoqS23FtqVCzL0ZqgP5MqXbb4fg/WgDys70nA=
@@ -67,597 +9,127 @@ github.com/btcsuite/goleveldb v0.0.0-20160330041536-7834afc9e8cd/go.mod h1:F+uVa
 github.com/btcsuite/snappy-go v0.0.0-20151229074030-0bdef8d06723/go.mod h1:8woku9dyThutzjeg+3xrA5iCpBRH8XEEg3lh6TiUghc=
 github.com/btcsuite/websocket v0.0.0-20150119174127-31079b680792/go.mod h1:ghJtEyQwv5/p4Mg4C0fgbePVuGr935/5ddU9Z3TmDRY=
 github.com/btcsuite/winsvc v1.0.0/go.mod h1:jsenWakMcC0zFBFurPLEAyrnc/teJEM1O46fmI40EZs=
-github.com/c-bata/go-prompt v0.2.2/go.mod h1:VzqtzE2ksDBcdln8G7mk2RX9QyGjH+OVqOCSiVIqS34=
-github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/cespare/cp v0.1.0 h1:SE+dxFebS7Iik5LK0tsi1k9ZCxEaFX4AjQmoyA+1dJk=
-github.com/cespare/cp v0.1.0/go.mod h1:SOGHArjBr4JWaSDEVpWpo/hNg6RoKrls6Oh40hiwW+s=
-github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
-github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/cespare/xxhash/v2 v2.2.0 h1:DC2CZ1Ep5Y4k3ZQ899DldepgrayRUGE6BBZ/cd9Cj44=
-github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
-github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
-github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
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 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

@@ -31,7 +31,7 @@ func New(ctx context.Context, cfg *config.L1Config, orm database.OrmFactory) (*B
 		return nil, err
 	}
 
-	watcher := NewWatcher(ctx, client, cfg.StartHeight, cfg.Confirmations, cfg.L1MessengerAddress, cfg.RollupContractAddress, 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

@@ -15,42 +15,27 @@ var (
 	cfg *config.Config
 
 	// docker consider handler.
-	l1gethImg docker.ImgInstance
-	l2gethImg docker.ImgInstance
-	dbImg     docker.ImgInstance
+	base *docker.App
 )
 
+func TestMain(m *testing.M) {
+	base = docker.NewDockerApp()
+
+	m.Run()
+
+	base.Free()
+}
+
 func setupEnv(t *testing.T) {
 	// Load config.
 	var err error
 	cfg, err = config.NewConfig("../config.json")
 	assert.NoError(t, err)
+	base.RunImages(t)
 
-	// 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())
-	}
+	cfg.L2Config.RelayerConfig.SenderConfig.Endpoint = base.L1GethEndpoint()
+	cfg.L1Config.RelayerConfig.SenderConfig.Endpoint = base.L2GethEndpoint()
+	cfg.DBConfig.DSN = base.DBEndpoint()
 }
 
 func TestL1(t *testing.T) {
@@ -58,8 +43,4 @@ func TestL1(t *testing.T) {
 
 	t.Run("testCreateNewL1Relayer", testCreateNewL1Relayer)
 	t.Run("testStartWatcher", testStartWatcher)
-
-	t.Cleanup(func() {
-		free(t)
-	})
 }

bridge/l1/relayer.go

@@ -12,14 +12,33 @@ import (
 	"github.com/scroll-tech/go-ethereum/common"
 	"github.com/scroll-tech/go-ethereum/crypto"
 	"github.com/scroll-tech/go-ethereum/log"
+	geth_metrics "github.com/scroll-tech/go-ethereum/metrics"
 
-	"scroll-tech/database/orm"
+	"scroll-tech/common/types"
+	"scroll-tech/common/utils"
+
+	"scroll-tech/database"
+
+	"scroll-tech/common/metrics"
 
 	bridge_abi "scroll-tech/bridge/abi"
 	"scroll-tech/bridge/config"
 	"scroll-tech/bridge/sender"
 )
 
+var (
+	bridgeL1MsgsRelayedTotalCounter          = geth_metrics.NewRegisteredCounter("bridge/l1/msgs/relayed/total", metrics.ScrollRegistry)
+	bridgeL1MsgsRelayedConfirmedTotalCounter = geth_metrics.NewRegisteredCounter("bridge/l1/msgs/relayed/confirmed/total", metrics.ScrollRegistry)
+)
+
+const (
+	gasPriceDiffPrecision = 1000000
+
+	defaultGasPriceDiff = 50000 // 5%
+
+	defaultMessageRelayMinGasLimit = 130000 // should be enough for both ERC20 and ETH relay
+)
+
 // Layer1Relayer is responsible for
 //  1. fetch pending L1Message from db
 //  2. relay pending message to layer 2 node
@@ -27,49 +46,87 @@ import (
 // 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
-	sender *sender.Sender
+	ctx context.Context
 
-	db  orm.L1MessageOrm
+	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
+
+	minGasLimitForMessageRelay uint64
+
+	lastGasPrice uint64
+	minGasPrice  uint64
+	gasPriceDiff uint64
+
 	stopCh chan struct{}
 }
 
 // NewLayer1Relayer will return a new instance of Layer1RelayerClient
-func NewLayer1Relayer(ctx context.Context, db orm.L1MessageOrm, 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
 	}
 
-	sender, err := sender.NewSender(ctx, cfg.SenderConfig, cfg.MessageSenderPrivateKeys)
+	// @todo make sure only one sender is available
+	gasOracleSender, err := sender.NewSender(ctx, cfg.SenderConfig, cfg.GasOracleSenderPrivateKeys)
 	if err != nil {
-		addr := crypto.PubkeyToAddress(cfg.MessageSenderPrivateKeys[0].PublicKey)
-		log.Error("new sender failed", "main address", addr.String(), "err", err)
+		addr := crypto.PubkeyToAddress(cfg.GasOracleSenderPrivateKeys[0].PublicKey)
+		log.Error("new GasOracleSender failed", "main address", addr.String(), "err", err)
 		return nil, err
 	}
 
+	var minGasPrice uint64
+	var gasPriceDiff uint64
+	if cfg.GasOracleConfig != nil {
+		minGasPrice = cfg.GasOracleConfig.MinGasPrice
+		gasPriceDiff = cfg.GasOracleConfig.GasPriceDiff
+	} else {
+		minGasPrice = 0
+		gasPriceDiff = defaultGasPriceDiff
+	}
+
+	minGasLimitForMessageRelay := uint64(defaultMessageRelayMinGasLimit)
+	if cfg.MessageRelayMinGasLimit != 0 {
+		minGasLimitForMessageRelay = cfg.MessageRelayMinGasLimit
+	}
+
 	return &Layer1Relayer{
-		ctx:            ctx,
-		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,
+
+		minGasLimitForMessageRelay: minGasLimitForMessageRelay,
+
+		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.GetL1MessagesByStatus(orm.MsgPending, 100)
+	msgs, err := r.db.GetL1MessagesByStatus(types.MsgPending, 100)
 	if err != nil {
 		log.Error("Failed to fetch unprocessed L1 messages", "err", err)
 		return
@@ -89,74 +146,127 @@ func (r *Layer1Relayer) ProcessSavedEvents() {
 	}
 }
 
-func (r *Layer1Relayer) processSavedEvent(msg *orm.L1Message) error {
-	// @todo add support to relay multiple messages
-	from := common.HexToAddress(msg.Sender)
-	target := common.HexToAddress(msg.Target)
-	value, ok := big.NewInt(0).SetString(msg.Value, 10)
-	if !ok {
-		// @todo maybe panic?
-		log.Error("Failed to parse message value", "msg.nonce", msg.Nonce, "msg.height", msg.Height)
-		// TODO: need to skip this message by changing its status to MsgError
-	}
-	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", from, target, value, fee, deadline, msgNonce, calldata)
-	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
-	}
 
-	hash, err := r.sender.SendTransaction(msg.MsgHash, &r.cfg.MessengerContractAddress, big.NewInt(0), data)
+	hash, err := r.messageSender.SendTransaction(msg.MsgHash, &r.cfg.MessengerContractAddress, big.NewInt(0), calldata, r.minGasLimitForMessageRelay)
 	if err != nil && err.Error() == "execution reverted: Message expired" {
-		return r.db.UpdateLayer1Status(r.ctx, msg.MsgHash, orm.MsgExpired)
+		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, orm.MsgConfirmed)
+		return r.db.UpdateLayer1Status(r.ctx, msg.MsgHash, types.MsgConfirmed)
 	}
 	if err != nil {
 		return err
 	}
+	bridgeL1MsgsRelayedTotalCounter.Inc(1)
 	log.Info("relayMessage to layer2", "msg hash", msg.MsgHash, "tx hash", hash)
 
-	err = r.db.UpdateLayer1StatusAndLayer2Hash(r.ctx, msg.MsgHash, orm.MsgSubmitted, hash.String())
+	err = r.db.UpdateLayer1StatusAndLayer2Hash(r.ctx, msg.MsgHash, types.MsgSubmitted, hash.String())
 	if err != nil {
 		log.Error("UpdateLayer1StatusAndLayer2Hash failed", "msg.msgHash", msg.MsgHash, "msg.height", msg.Height, "err", err)
 	}
 	return err
 }
 
+// ProcessGasPriceOracle imports gas price to layer2
+func (r *Layer1Relayer) ProcessGasPriceOracle() {
+	latestBlockHeight, err := r.db.GetLatestL1BlockHeight()
+	if err != nil {
+		log.Warn("Failed to fetch latest L1 block height from db", "err", err)
+		return
+	}
+
+	blocks, err := r.db.GetL1BlockInfos(map[string]interface{}{
+		"number": latestBlockHeight,
+	})
+	if err != nil {
+		log.Error("Failed to GetL1BlockInfos from db", "height", latestBlockHeight, "err", err)
+		return
+	}
+	if len(blocks) != 1 {
+		log.Error("Block not exist", "height", latestBlockHeight)
+		return
+	}
+	block := blocks[0]
+
+	if block.GasOracleStatus == types.GasOraclePending {
+		expectedDelta := r.lastGasPrice * r.gasPriceDiff / gasPriceDiffPrecision
+		// last is undefine or (block.BaseFee >= minGasPrice && exceed diff)
+		if r.lastGasPrice == 0 || (block.BaseFee >= r.minGasPrice && (block.BaseFee >= r.lastGasPrice+expectedDelta || block.BaseFee <= r.lastGasPrice-expectedDelta)) {
+			baseFee := big.NewInt(int64(block.BaseFee))
+			data, err := r.l1GasOracleABI.Pack("setL1BaseFee", baseFee)
+			if err != nil {
+				log.Error("Failed to pack setL1BaseFee", "block.Hash", block.Hash, "block.Height", block.Number, "block.BaseFee", block.BaseFee, "err", err)
+				return
+			}
+
+			hash, err := r.gasOracleSender.SendTransaction(block.Hash, &r.cfg.GasPriceOracleContractAddress, big.NewInt(0), data, 0)
+			if err != nil {
+				if !errors.Is(err, sender.ErrNoAvailableAccount) {
+					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)
-		defer ticker.Stop()
+		ctx, cancel := context.WithCancel(r.ctx)
 
-		for {
-			select {
-			case <-ticker.C:
-				// number, err := r.client.BlockNumber(r.ctx)
-				// log.Info("receive header", "height", number)
-				r.ProcessSavedEvents()
-			case cfm := <-r.confirmationCh:
-				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, orm.MsgConfirmed, cfm.TxHash.String())
-					if err != nil {
-						log.Warn("UpdateLayer1StatusAndLayer2Hash failed", "err", err)
+		go utils.Loop(ctx, 2*time.Second, r.ProcessSavedEvents)
+		go utils.Loop(ctx, 2*time.Second, r.ProcessGasPriceOracle)
+
+		go func(ctx context.Context) {
+			for {
+				select {
+				case <-ctx.Done():
+					return
+				case cfm := <-r.messageCh:
+					bridgeL1MsgsRelayedConfirmedTotalCounter.Inc(1)
+					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)
 					}
-					log.Info("transaction confirmed in layer2", "confirmation", cfm)
 				}
-			case <-r.stopCh:
-				return
 			}
-		}
+		}(ctx)
+
+		<-r.stopCh
+		cancel()
 	}()
 }
 

bridge/l1/watcher.go

@@ -8,21 +8,29 @@ import (
 	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"
+	geth_metrics "github.com/scroll-tech/go-ethereum/metrics"
 	"github.com/scroll-tech/go-ethereum/rpc"
 
+	"scroll-tech/common/metrics"
+	"scroll-tech/common/types"
 	"scroll-tech/database"
-	"scroll-tech/database/orm"
+
+	cutil "scroll-tech/common/utils"
 
 	bridge_abi "scroll-tech/bridge/abi"
 	"scroll-tech/bridge/utils"
 )
 
 var (
-	bridgeL1MsgSyncHeightGauge = metrics.NewRegisteredGauge("bridge/l1/msg/sync/height", nil)
+	bridgeL1MsgsSyncHeightGauge = geth_metrics.NewRegisteredGauge("bridge/l1/msgs/sync/height", metrics.ScrollRegistry)
+
+	bridgeL1MsgsSentEventsTotalCounter    = geth_metrics.NewRegisteredCounter("bridge/l1/msgs/sent/events/total", metrics.ScrollRegistry)
+	bridgeL1MsgsRelayedEventsTotalCounter = geth_metrics.NewRegisteredCounter("bridge/l1/msgs/relayed/events/total", metrics.ScrollRegistry)
+	bridgeL1MsgsRollupEventsTotalCounter  = geth_metrics.NewRegisteredCounter("bridge/l1/msgs/rollup/events/total", metrics.ScrollRegistry)
 )
 
 type relayedMessage struct {
@@ -32,9 +40,9 @@ type relayedMessage struct {
 }
 
 type rollupEvent struct {
-	batchID common.Hash
-	txHash  common.Hash
-	status  orm.RollupStatus
+	batchHash common.Hash
+	txHash    common.Hash
+	status    types.RollupStatus
 }
 
 // Watcher will listen for smart contract events from Eth L1.
@@ -44,22 +52,28 @@ type Watcher struct {
 	db     database.OrmFactory
 
 	// The number of new blocks to wait for a block to be confirmed
-	confirmations    rpc.BlockNumber
+	confirmations rpc.BlockNumber
+
 	messengerAddress common.Address
 	messengerABI     *abi.ABI
 
-	rollupAddress common.Address
-	rollupABI     *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 rpc.BlockNumber, messengerAddress common.Address, rollupAddress common.Address, db database.OrmFactory) *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)
@@ -69,55 +83,123 @@ 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:       bridge_abi.L1MessengerMetaABI,
-		rollupAddress:      rollupAddress,
-		rollupABI:          bridge_abi.RollupMetaABI,
-		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 (w *Watcher) Start() {
 	go func() {
-		ticker := time.NewTicker(10 * time.Second)
-		defer ticker.Stop()
+		ctx, cancel := context.WithCancel(w.ctx)
 
-		for ; true; <-ticker.C {
-			select {
-			case <-w.stop:
-				return
-
-			default:
-				number, err := utils.GetLatestConfirmedBlockNumber(w.ctx, w.client, w.confirmations)
-				if err != nil {
-					log.Error("failed to get block number", "err", err)
-					continue
+		go cutil.LoopWithContext(ctx, 2*time.Second, func(subCtx context.Context) {
+			number, err := utils.GetLatestConfirmedBlockNumber(subCtx, w.client, w.confirmations)
+			if err != nil {
+				log.Error("failed to get block number", "err", err)
+			} else {
+				if err := w.FetchBlockHeader(number); err != nil {
+					log.Error("Failed to fetch L1 block header", "lastest", number, "err", err)
 				}
+			}
+		})
 
+		go cutil.LoopWithContext(ctx, 2*time.Second, func(subCtx context.Context) {
+			number, err := utils.GetLatestConfirmedBlockNumber(subCtx, w.client, w.confirmations)
+			if err != nil {
+				log.Error("failed to get block number", "err", err)
+			} else {
 				if err := w.FetchContractEvent(number); err != nil {
 					log.Error("Failed to fetch bridge contract", "err", err)
 				}
 			}
-		}
+		})
+
+		<-w.stopCh
+		cancel()
 	}()
 }
 
 // Stop the Watcher module, for a graceful shutdown.
 func (w *Watcher) Stop() {
-	w.stop <- true
+	w.stopCh <- true
 }
 
 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
+	}
+	if toBlock > fromBlock+contractEventsBlocksFetchLimit {
+		toBlock = fromBlock + contractEventsBlocksFetchLimit - 1
+	}
+
+	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 get block", "height", height, "err", err)
+			break
+		}
+		blocks = append(blocks, &types.L1BlockInfo{
+			Number:  uint64(height),
+			Hash:    block.Hash().String(),
+			BaseFee: block.BaseFee.Uint64(),
+		})
+	}
+
+	// failed at first block, return with the error
+	if height == fromBlock {
+		return err
+	}
+	toBlock = height - 1
+
+	// 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() {
@@ -140,16 +222,17 @@ func (w *Watcher) FetchContractEvent(blockHeight uint64) error {
 			ToBlock:   big.NewInt(to),   // inclusive
 			Addresses: []common.Address{
 				w.messengerAddress,
-				w.rollupAddress,
+				w.scrollChainAddress,
+				w.messageQueueAddress,
 			},
 			Topics: make([][]common.Hash, 1),
 		}
 		query.Topics[0] = make([]common.Hash, 5)
-		query.Topics[0][0] = common.HexToHash(bridge_abi.SentMessageEventSignature)
-		query.Topics[0][1] = common.HexToHash(bridge_abi.RelayedMessageEventSignature)
-		query.Topics[0][2] = common.HexToHash(bridge_abi.FailedRelayedMessageEventSignature)
-		query.Topics[0][3] = common.HexToHash(bridge_abi.CommitBatchEventSignature)
-		query.Topics[0][4] = common.HexToHash(bridge_abi.FinalizedBatchEventSignature)
+		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 {
@@ -158,7 +241,7 @@ func (w *Watcher) FetchContractEvent(blockHeight uint64) error {
 		}
 		if len(logs) == 0 {
 			w.processedMsgHeight = uint64(to)
-			bridgeL1MsgSyncHeightGauge.Update(to)
+			bridgeL1MsgsSyncHeightGauge.Update(to)
 			continue
 		}
 		log.Info("Received new L1 events", "fromBlock", from, "toBlock", to, "cnt", len(logs))
@@ -168,32 +251,38 @@ func (w *Watcher) FetchContractEvent(blockHeight uint64) error {
 			log.Error("Failed to parse emitted events log", "err", err)
 			return err
 		}
-		log.Info("L1 events types", "SentMessageCount", len(sentMessageEvents), "RelayedMessageCount", len(relayedMessageEvents), "RollupEventCount", len(rollupEvents))
+		sentMessageCount := int64(len(sentMessageEvents))
+		relayedMessageCount := int64(len(relayedMessageEvents))
+		rollupEventCount := int64(len(rollupEvents))
+		bridgeL1MsgsSentEventsTotalCounter.Inc(sentMessageCount)
+		bridgeL1MsgsRelayedEventsTotalCounter.Inc(relayedMessageCount)
+		bridgeL1MsgsRollupEventsTotalCounter.Inc(rollupEventCount)
+		log.Info("L1 events types", "SentMessageCount", sentMessageCount, "RelayedMessageCount", relayedMessageCount, "RollupEventCount", rollupEventCount)
 
 		// use rollup event to update rollup results db status
-		var batchIDs []string
+		var batchHashes []string
 		for _, event := range rollupEvents {
-			batchIDs = append(batchIDs, event.batchID.String())
+			batchHashes = append(batchHashes, event.batchHash.String())
 		}
-		statuses, err := w.db.GetRollupStatusByIDList(batchIDs)
+		statuses, err := w.db.GetRollupStatusByHashList(batchHashes)
 		if err != nil {
-			log.Error("Failed to GetRollupStatusByIDList", "err", err)
+			log.Error("Failed to GetRollupStatusByHashList", "err", err)
 			return err
 		}
-		if len(statuses) != len(batchIDs) {
-			log.Error("RollupStatus.Length mismatch with BatchIDs.Length", "RollupStatus.Length", len(statuses), "BatchIDs.Length", len(batchIDs))
+		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 {
-			batchID := event.batchID.String()
+			batchHash := event.batchHash.String()
 			status := statuses[index]
 			// only update when db status is before event status
 			if event.status > status {
-				if event.status == orm.RollupFinalized {
-					err = w.db.UpdateFinalizeTxHashAndRollupStatus(w.ctx, batchID, event.txHash.String(), event.status)
-				} else if event.status == orm.RollupCommitted {
-					err = w.db.UpdateCommitTxHashAndRollupStatus(w.ctx, batchID, event.txHash.String(), event.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)
@@ -205,14 +294,13 @@ func (w *Watcher) FetchContractEvent(blockHeight uint64) error {
 		// Update relayed message first to make sure we don't forget to update submitted message.
 		// Since, we always start sync from the latest unprocessed message.
 		for _, msg := range relayedMessageEvents {
+			var msgStatus types.MsgStatus
 			if msg.isSuccessful {
-				// succeed
-				err = w.db.UpdateLayer2StatusAndLayer1Hash(w.ctx, msg.msgHash.String(), orm.MsgConfirmed, msg.txHash.String())
+				msgStatus = types.MsgConfirmed
 			} else {
-				// failed
-				err = w.db.UpdateLayer2StatusAndLayer1Hash(w.ctx, msg.msgHash.String(), orm.MsgFailed, msg.txHash.String())
+				msgStatus = types.MsgFailed
 			}
-			if err != nil {
+			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
 			}
@@ -223,114 +311,93 @@ func (w *Watcher) FetchContractEvent(blockHeight uint64) error {
 		}
 
 		w.processedMsgHeight = uint64(to)
-		bridgeL1MsgSyncHeightGauge.Update(to)
+		bridgeL1MsgsSyncHeightGauge.Update(to)
 	}
 
 	return nil
 }
 
-func (w *Watcher) parseBridgeEventLogs(logs []types.Log) ([]*orm.L1Message, []relayedMessage, []rollupEvent, error) {
+func (w *Watcher) parseBridgeEventLogs(logs []geth_types.Log) ([]*types.L1Message, []relayedMessage, []rollupEvent, error) {
 	// Need use contract abi to parse event Log
 	// Can only be tested after we have our contracts set up
 
-	var l1Messages []*orm.L1Message
+	var l1Messages []*types.L1Message
 	var relayedMessages []relayedMessage
 	var rollupEvents []rollupEvent
 	for _, vLog := range logs {
 		switch vLog.Topics[0] {
-		case common.HexToHash(bridge_abi.SentMessageEventSignature):
-			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 := w.messengerABI.UnpackIntoInterface(&event, "SentMessage", vLog.Data)
+		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 SentMessage event", "err", err)
+				log.Warn("Failed to unpack layer1 QueueTransaction event", "err", err)
 				return l1Messages, relayedMessages, rollupEvents, err
 			}
-			// target is in topics[1]
-			event.Target = common.HexToAddress(vLog.Topics[1].String())
-			l1Messages = append(l1Messages, &orm.L1Message{
-				Nonce:      event.MessageNonce.Uint64(),
-				MsgHash:    utils.ComputeMessageHash(event.Sender, event.Target, event.Value, event.Fee, event.Deadline, event.Message, event.MessageNonce).String(),
+
+			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(),
-				Fee:        event.Fee.String(),
-				GasLimit:   event.GasLimit.Uint64(),
-				Deadline:   event.Deadline.Uint64(),
 				Target:     event.Target.String(),
-				Calldata:   common.Bytes2Hex(event.Message),
+				Calldata:   common.Bytes2Hex(event.Data),
+				GasLimit:   event.GasLimit.Uint64(),
 				Layer1Hash: vLog.TxHash.Hex(),
 			})
-		case common.HexToHash(bridge_abi.RelayedMessageEventSignature):
-			event := struct {
-				MsgHash common.Hash
-			}{}
-			// MsgHash is in topics[1]
-			event.MsgHash = common.HexToHash(vLog.Topics[1].String())
+		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.MsgHash,
+				msgHash:      event.MessageHash,
 				txHash:       vLog.TxHash,
 				isSuccessful: true,
 			})
-		case common.HexToHash(bridge_abi.FailedRelayedMessageEventSignature):
-			event := struct {
-				MsgHash common.Hash
-			}{}
-			// MsgHash is in topics[1]
-			event.MsgHash = common.HexToHash(vLog.Topics[1].String())
+		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.MsgHash,
+				msgHash:      event.MessageHash,
 				txHash:       vLog.TxHash,
 				isSuccessful: false,
 			})
-		case common.HexToHash(bridge_abi.CommitBatchEventSignature):
-			event := struct {
-				BatchID    common.Hash
-				BatchHash  common.Hash
-				BatchIndex *big.Int
-				ParentHash common.Hash
-			}{}
-			// BatchID is in topics[1]
-			event.BatchID = common.HexToHash(vLog.Topics[1].String())
-			err := w.rollupABI.UnpackIntoInterface(&event, "CommitBatch", vLog.Data)
+		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{
-				batchID: event.BatchID,
-				txHash:  vLog.TxHash,
-				status:  orm.RollupCommitted,
+				batchHash: event.BatchHash,
+				txHash:    vLog.TxHash,
+				status:    types.RollupCommitted,
 			})
-		case common.HexToHash(bridge_abi.FinalizedBatchEventSignature):
-			event := struct {
-				BatchID    common.Hash
-				BatchHash  common.Hash
-				BatchIndex *big.Int
-				ParentHash common.Hash
-			}{}
-			// BatchID is in topics[1]
-			event.BatchID = common.HexToHash(vLog.Topics[1].String())
-			err := w.rollupABI.UnpackIntoInterface(&event, "FinalizeBatch", vLog.Data)
+		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{
-				batchID: event.BatchID,
-				txHash:  vLog.TxHash,
-				status:  orm.RollupFinalized,
+				batchHash: event.BatchHash,
+				txHash:    vLog.TxHash,
+				status:    types.RollupFinalized,
 			})
 		default:
 			log.Error("Unknown event", "topic", vLog.Topics[0], "txHash", vLog.TxHash)

bridge/l1/watcher_test.go

@@ -18,12 +18,12 @@ func testStartWatcher(t *testing.T) {
 	assert.NoError(t, migrate.ResetDB(db.GetDB().DB))
 	defer db.Close()
 
-	client, err := ethclient.Dial(l1gethImg.Endpoint())
+	client, err := ethclient.Dial(base.L1GethEndpoint())
 	assert.NoError(t, err)
 
 	l1Cfg := cfg.L1Config
 
-	watcher := NewWatcher(context.Background(), client, l1Cfg.StartHeight, l1Cfg.Confirmations, l1Cfg.L1MessengerAddress, l1Cfg.RelayerConfig.RollupContractAddress, db)
+	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

@@ -14,10 +14,11 @@ import (
 // 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.
@@ -29,32 +30,37 @@ func New(ctx context.Context, cfg *config.L2Config, orm database.OrmFactory) (*B
 
 	// Note: initialize watcher before relayer to keep DB consistent.
 	// Otherwise, there will be a race condition between watcher.initializeGenesis and relayer.ProcessPendingBatches.
-	l2Watcher := NewL2WatcherClient(ctx, client, cfg.Confirmations, cfg.BatchProposerConfig, cfg.L2MessengerAddress, orm)
+	watcher := NewL2WatcherClient(ctx, client, cfg.Confirmations, cfg.L2MessengerAddress, cfg.L2MessageQueueAddress, orm)
 
-	relayer, err := NewLayer2Relayer(ctx, orm, cfg.RelayerConfig)
+	relayer, err := NewLayer2Relayer(ctx, client, orm, cfg.RelayerConfig)
 	if err != nil {
 		return nil, err
 	}
 
+	batchProposer := NewBatchProposer(ctx, cfg.BatchProposerConfig, relayer, orm)
+
 	return &Backend{
-		cfg:       cfg,
-		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.
@@ -63,7 +69,7 @@ func (l2 *Backend) APIs() []rpc.API {
 		{
 			Namespace: "l2",
 			Version:   "1.0",
-			Service:   WatcherAPI(l2.l2Watcher),
+			Service:   WatcherAPI(l2.watcher),
 			Public:    true,
 		},
 	}

bridge/l2/batch_proposer.go

@@ -1,107 +1,43 @@
 package l2
 
 import (
+	"context"
 	"fmt"
+	"math"
+	"reflect"
 	"sync"
 	"time"
 
+	geth_types "github.com/scroll-tech/go-ethereum/core/types"
 	"github.com/scroll-tech/go-ethereum/log"
+	geth_metrics "github.com/scroll-tech/go-ethereum/metrics"
+
+	"scroll-tech/common/metrics"
+	"scroll-tech/common/types"
+	"scroll-tech/common/utils"
 
 	"scroll-tech/database"
-	"scroll-tech/database/orm"
 
+	bridgeabi "scroll-tech/bridge/abi"
 	"scroll-tech/bridge/config"
 )
 
-type batchProposer struct {
-	mutex sync.Mutex
+var (
+	bridgeL2BatchesGasOverThresholdTotalCounter = geth_metrics.NewRegisteredCounter("bridge/l2/batches/gas/over/threshold/total", metrics.ScrollRegistry)
+	bridgeL2BatchesTxsOverThresholdTotalCounter = geth_metrics.NewRegisteredCounter("bridge/l2/batches/txs/over/threshold/total", metrics.ScrollRegistry)
+	bridgeL2BatchesCommitTotalCounter           = geth_metrics.NewRegisteredCounter("bridge/l2/batches/commit/total", metrics.ScrollRegistry)
 
-	orm database.OrmFactory
+	bridgeL2BatchesCreatedRateMeter    = geth_metrics.NewRegisteredMeter("bridge/l2/batches/blocks/created/rate", metrics.ScrollRegistry)
+	bridgeL2BatchesTxsCreatedRateMeter = geth_metrics.NewRegisteredMeter("bridge/l2/batches/txs/created/rate", metrics.ScrollRegistry)
+	bridgeL2BatchesGasCreatedRateMeter = geth_metrics.NewRegisteredMeter("bridge/l2/batches/gas/created/rate", metrics.ScrollRegistry)
+)
 
-	batchTimeSec        uint64
-	batchGasThreshold   uint64
-	batchTxNumThreshold uint64
-	batchBlocksLimit    uint64
-
-	proofGenerationFreq uint64
-	skippedOpcodes      map[string]struct{}
-}
-
-func newBatchProposer(cfg *config.BatchProposerConfig, orm database.OrmFactory) *batchProposer {
-	return &batchProposer{
-		mutex:               sync.Mutex{},
-		orm:                 orm,
-		batchTimeSec:        cfg.BatchTimeSec,
-		batchGasThreshold:   cfg.BatchGasThreshold,
-		batchTxNumThreshold: cfg.BatchTxNumThreshold,
-		batchBlocksLimit:    cfg.BatchBlocksLimit,
-		proofGenerationFreq: cfg.ProofGenerationFreq,
-		skippedOpcodes:      cfg.SkippedOpcodes,
-	}
-}
-
-func (w *batchProposer) tryProposeBatch() {
-	w.mutex.Lock()
-	defer w.mutex.Unlock()
-
-	blocks, err := w.orm.GetUnbatchedBlocks(
-		map[string]interface{}{},
-		fmt.Sprintf("order by number ASC LIMIT %d", w.batchBlocksLimit),
-	)
+// 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 {
-		log.Error("failed to get unbatched blocks", "err", err)
-		return
-	}
-	if len(blocks) == 0 {
-		return
-	}
-
-	if blocks[0].GasUsed > w.batchGasThreshold {
-		log.Warn("gas overflow even for only 1 block", "height", blocks[0].Number, "gas", blocks[0].GasUsed)
-		if _, err = w.createBatchForBlocks(blocks[:1]); err != nil {
-			log.Error("failed to create batch", "number", blocks[0].Number, "err", err)
-		}
-		return
-	}
-
-	if blocks[0].TxNum > w.batchTxNumThreshold {
-		log.Warn("too many txs even for only 1 block", "height", blocks[0].Number, "tx_num", blocks[0].TxNum)
-		if _, err = w.createBatchForBlocks(blocks[:1]); err != nil {
-			log.Error("failed to create batch", "number", blocks[0].Number, "err", err)
-		}
-		return
-	}
-
-	var (
-		length         = len(blocks)
-		gasUsed, txNum uint64
-	)
-	// add blocks into batch until reach batchGasThreshold
-	for i, block := range blocks {
-		if (gasUsed+block.GasUsed > w.batchGasThreshold) || (txNum+block.TxNum > w.batchTxNumThreshold) {
-			blocks = blocks[:i]
-			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 length == len(blocks) && blocks[0].BlockTimestamp+w.batchTimeSec > uint64(time.Now().Unix()) {
-		return
-	}
-
-	if _, err = w.createBatchForBlocks(blocks); err != nil {
-		log.Error("failed to create batch", "from", blocks[0].Number, "to", blocks[len(blocks)-1].Number, "err", err)
-	}
-}
-
-func (w *batchProposer) createBatchForBlocks(blocks []*orm.BlockInfo) (string, error) {
-	dbTx, err := w.orm.Beginx()
-	if err != nil {
-		return "", err
+		return err
 	}
 
 	var dbTxErr error
@@ -113,28 +49,346 @@ func (w *batchProposer) createBatchForBlocks(blocks []*orm.BlockInfo) (string, e
 		}
 	}()
 
-	var (
-		batchID        string
-		startBlock     = blocks[0]
-		endBlock       = blocks[len(blocks)-1]
-		txNum, gasUsed uint64
-		blockIDs       = make([]uint64, len(blocks))
-	)
-	for i, block := range blocks {
-		txNum += block.TxNum
-		gasUsed += block.GasUsed
-		blockIDs[i] = block.Number
+	if dbTxErr = db.NewBatchInDBTx(dbTx, batchData); dbTxErr != nil {
+		return dbTxErr
 	}
 
-	batchID, dbTxErr = w.orm.NewBatchInDBTx(dbTx, startBlock, endBlock, startBlock.ParentHash, txNum, gasUsed)
-	if 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 = w.orm.SetBatchIDForBlocksInDBTx(dbTx, blockIDs, batchID); dbTxErr != nil {
-		return "", dbTxErr
+	if dbTxErr = db.SetBatchHashForL2BlocksInDBTx(dbTx, blockIDs, batchData.Hash().Hex()); dbTxErr != nil {
+		return dbTxErr
 	}
 
 	dbTxErr = dbTx.Commit()
-	return batchID, dbTxErr
+	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
+	commitCalldataMinSize    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,
+		commitCalldataMinSize:    cfg.CommitTxCalldataMinSize,
+		batchDataBufferSizeLimit: 100*cfg.CommitTxCalldataSizeLimit + 1*1024*1024, // @todo: determine the value.
+		proofGenerationFreq:      cfg.ProofGenerationFreq,
+		piCfg:                    cfg.PublicInputConfig,
+		relayer:                  relayer,
+		stopCh:                   make(chan struct{}),
+	}
+
+	// for graceful restart.
+	p.recoverBatchDataBuffer()
+
+	// try to commit the leftover pending batches
+	p.tryCommitBatches()
+
+	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)
+
+		go utils.Loop(ctx, 2*time.Second, func() {
+			p.tryProposeBatch()
+			p.tryCommitBatches()
+		})
+
+		<-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()
+
+	for 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
+		}
+
+		batchCreated := p.proposeBatch(blocks)
+
+		// while size of batchDataBuffer < commitCalldataMinSize,
+		// proposer keeps fetching and porposing batches.
+		if p.getBatchDataBufferSize() >= p.commitCalldataMinSize {
+			return
+		}
+
+		if !batchCreated {
+			// wait for watcher to insert l2 traces.
+			time.Sleep(time.Second)
+		}
+	}
+}
+
+func (p *BatchProposer) tryCommitBatches() {
+	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
+		bridgeL2BatchesCommitTotalCounter.Inc(1)
+		p.batchDataBuffer = p.batchDataBuffer[index:]
+	}
+}
+
+func (p *BatchProposer) proposeBatch(blocks []*types.BlockInfo) bool {
+	if len(blocks) == 0 {
+		return false
+	}
+
+	if blocks[0].GasUsed > p.batchGasThreshold {
+		bridgeL2BatchesGasOverThresholdTotalCounter.Inc(1)
+		log.Warn("gas overflow even for only 1 block", "height", blocks[0].Number, "gas", blocks[0].GasUsed)
+		if err := p.createBatchForBlocks(blocks[:1]); err != nil {
+			log.Error("failed to create batch", "number", blocks[0].Number, "err", err)
+		} else {
+			bridgeL2BatchesTxsCreatedRateMeter.Mark(int64(blocks[0].TxNum))
+			bridgeL2BatchesGasCreatedRateMeter.Mark(int64(blocks[0].GasUsed))
+			bridgeL2BatchesCreatedRateMeter.Mark(1)
+		}
+		return true
+	}
+
+	if blocks[0].TxNum > p.batchTxNumThreshold {
+		bridgeL2BatchesTxsOverThresholdTotalCounter.Inc(1)
+		log.Warn("too many txs even for only 1 block", "height", blocks[0].Number, "tx_num", blocks[0].TxNum)
+		if err := p.createBatchForBlocks(blocks[:1]); err != nil {
+			log.Error("failed to create batch", "number", blocks[0].Number, "err", err)
+		} else {
+			bridgeL2BatchesTxsCreatedRateMeter.Mark(int64(blocks[0].TxNum))
+			bridgeL2BatchesGasCreatedRateMeter.Mark(int64(blocks[0].GasUsed))
+			bridgeL2BatchesCreatedRateMeter.Mark(1)
+		}
+		return true
+	}
+
+	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 false
+	}
+
+	if err := p.createBatchForBlocks(blocks); err != nil {
+		log.Error("failed to create batch", "from", blocks[0].Number, "to", blocks[len(blocks)-1].Number, "err", err)
+	} else {
+		bridgeL2BatchesTxsCreatedRateMeter.Mark(int64(txNum))
+		bridgeL2BatchesGasCreatedRateMeter.Mark(int64(gasUsed))
+		bridgeL2BatchesCreatedRateMeter.Mark(int64(len(blocks)))
+	}
+
+	return true
+}
+
+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

@@ -1,13 +1,12 @@
 package l2
 
 import (
-	"encoding/json"
+	"context"
 	"fmt"
-	"math/big"
-	"os"
+	"math"
 	"testing"
 
-	"github.com/scroll-tech/go-ethereum/core/types"
+	geth_types "github.com/scroll-tech/go-ethereum/core/types"
 	"github.com/stretchr/testify/assert"
 
 	"scroll-tech/database"
@@ -15,48 +14,90 @@ import (
 
 	"scroll-tech/bridge/config"
 
-	"scroll-tech/common/utils"
+	"scroll-tech/common/types"
 )
 
-func testBatchProposer(t *testing.T) {
+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()
 
-	trace2 := &types.BlockTrace{}
-	trace3 := &types.BlockTrace{}
-
-	data, err := os.ReadFile("../../common/testdata/blockTrace_02.json")
-	assert.NoError(t, err)
-	err = json.Unmarshal(data, trace2)
-	assert.NoError(t, err)
-
-	data, err = os.ReadFile("../../common/testdata/blockTrace_03.json")
-	assert.NoError(t, err)
-	err = json.Unmarshal(data, trace3)
-	assert.NoError(t, err)
 	// Insert traces into db.
-	assert.NoError(t, db.InsertBlockTraces([]*types.BlockTrace{trace2, trace3}))
+	assert.NoError(t, db.InsertL2BlockTraces([]*geth_types.BlockTrace{blockTrace1}))
 
-	id := utils.ComputeBatchID(trace3.Header.Hash(), trace2.Header.ParentHash, big.NewInt(0))
+	l2cfg := cfg.L2Config
+	wc := NewL2WatcherClient(context.Background(), l2Cli, l2cfg.Confirmations, l2cfg.L2MessengerAddress, l2cfg.L2MessageQueueAddress, db)
+	wc.Start()
+	defer wc.Stop()
 
-	proposer := newBatchProposer(&config.BatchProposerConfig{
+	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,
-	}, db)
+	}, relayer, db)
 	proposer.tryProposeBatch()
 
-	infos, err := db.GetUnbatchedBlocks(map[string]interface{}{},
+	infos, err := db.GetUnbatchedL2Blocks(map[string]interface{}{},
 		fmt.Sprintf("order by number ASC LIMIT %d", 100))
 	assert.NoError(t, err)
-	assert.Equal(t, true, len(infos) == 0)
+	assert.Equal(t, 0, len(infos))
 
-	exist, err := db.BatchRecordExist(id)
+	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/l2_test.go

@@ -1,12 +1,17 @@
 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"
 )
@@ -15,13 +20,18 @@ var (
 	// config
 	cfg *config.Config
 
-	// docker consider handler.
-	l1gethImg docker.ImgInstance
-	l2gethImg docker.ImgInstance
-	dbImg     docker.ImgInstance
+	base *docker.App
 
 	// 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) {
@@ -29,37 +39,59 @@ func setupEnv(t *testing.T) (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()
+	base.RunImages(t)
 
-	// 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()
+	cfg.L2Config.RelayerConfig.SenderConfig.Endpoint = base.L1GethEndpoint()
+	cfg.L1Config.RelayerConfig.SenderConfig.Endpoint = base.L2GethEndpoint()
+	cfg.DBConfig.DSN = base.DBEndpoint()
 
 	// Create l2geth client.
-	l2Cli, err = ethclient.Dial(cfg.L2Config.Endpoint)
+	l2Cli, err = base.L2Client()
 	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 TestMain(m *testing.M) {
+	base = docker.NewDockerApp()
+
+	m.Run()
+
+	base.Free()
 }
 
 func TestFunction(t *testing.T) {
@@ -75,13 +107,11 @@ func TestFunction(t *testing.T) {
 	// Run l2 relayer test cases.
 	t.Run("TestCreateNewRelayer", testCreateNewRelayer)
 	t.Run("TestL2RelayerProcessSaveEvents", testL2RelayerProcessSaveEvents)
-	t.Run("testL2RelayerProcessPendingBatches", testL2RelayerProcessPendingBatches)
-	t.Run("testL2RelayerProcessCommittedBatches", testL2RelayerProcessCommittedBatches)
-	t.Run("testL2RelayerSkipBatches", testL2RelayerSkipBatches)
+	t.Run("TestL2RelayerProcessCommittedBatches", testL2RelayerProcessCommittedBatches)
+	t.Run("TestL2RelayerSkipBatches", testL2RelayerSkipBatches)
 
-	t.Run("testBatchProposer", testBatchProposer)
+	// Run batch proposer test cases.
+	t.Run("TestBatchProposerProposeBatch", testBatchProposerProposeBatch)
+	t.Run("TestBatchProposerGracefulRestart", testBatchProposerGracefulRestart)
 
-	t.Cleanup(func() {
-		free(t)
-	})
 }

bridge/l2/relayer.go

@@ -9,16 +9,20 @@ import (
 	"sync"
 	"time"
 
-	// not sure if this will make problems when relay with l1geth
-
 	"github.com/scroll-tech/go-ethereum/accounts/abi"
 	"github.com/scroll-tech/go-ethereum/common"
+	"github.com/scroll-tech/go-ethereum/crypto"
+	"github.com/scroll-tech/go-ethereum/ethclient"
 	"github.com/scroll-tech/go-ethereum/log"
+	geth_metrics "github.com/scroll-tech/go-ethereum/metrics"
 	"golang.org/x/sync/errgroup"
 	"modernc.org/mathutil"
 
+	"scroll-tech/common/metrics"
+	"scroll-tech/common/types"
 	"scroll-tech/database"
-	"scroll-tech/database/orm"
+
+	cutil "scroll-tech/common/utils"
 
 	bridge_abi "scroll-tech/bridge/abi"
 	"scroll-tech/bridge/config"
@@ -26,6 +30,24 @@ import (
 	"scroll-tech/bridge/utils"
 )
 
+var (
+	bridgeL2MsgsRelayedTotalCounter               = geth_metrics.NewRegisteredCounter("bridge/l2/msgs/relayed/total", metrics.ScrollRegistry)
+	bridgeL2BatchesFinalizedTotalCounter          = geth_metrics.NewRegisteredCounter("bridge/l2/batches/finalized/total", metrics.ScrollRegistry)
+	bridgeL2BatchesCommittedTotalCounter          = geth_metrics.NewRegisteredCounter("bridge/l2/batches/committed/total", metrics.ScrollRegistry)
+	bridgeL2MsgsRelayedConfirmedTotalCounter      = geth_metrics.NewRegisteredCounter("bridge/l2/msgs/relayed/confirmed/total", metrics.ScrollRegistry)
+	bridgeL2BatchesFinalizedConfirmedTotalCounter = geth_metrics.NewRegisteredCounter("bridge/l2/batches/finalized/confirmed/total", metrics.ScrollRegistry)
+	bridgeL2BatchesCommittedConfirmedTotalCounter = geth_metrics.NewRegisteredCounter("bridge/l2/batches/committed/confirmed/total", metrics.ScrollRegistry)
+	bridgeL2BatchesSkippedTotalCounter            = geth_metrics.NewRegisteredCounter("bridge/l2/batches/skipped/total", metrics.ScrollRegistry)
+)
+
+const (
+	gasPriceDiffPrecision = 1000000
+
+	defaultGasPriceDiff = 50000 // 5%
+
+	defaultMessageRelayMinGasLimit = 200000 // should be enough for both ERC20 and ETH relay
+)
+
 // Layer2Relayer is responsible for
 //  1. Committing and finalizing L2 blocks on L1
 //  2. Relaying messages from L2 to L1
@@ -35,6 +57,8 @@ import (
 type Layer2Relayer struct {
 	ctx context.Context
 
+	l2Client *ethclient.Client
+
 	db  database.OrmFactory
 	cfg *config.RelayerConfig
 
@@ -46,23 +70,33 @@ type Layer2Relayer struct {
 	rollupCh     <-chan *sender.Confirmation
 	l1RollupABI  *abi.ABI
 
+	gasOracleSender *sender.Sender
+	gasOracleCh     <-chan *sender.Confirmation
+	l2GasOracleABI  *abi.ABI
+
+	minGasLimitForMessageRelay uint64
+
+	lastGasPrice uint64
+	minGasPrice  uint64
+	gasPriceDiff uint64
+
 	// A list of processing message.
 	// key(string): confirmation ID, value(string): layer2 hash.
 	processingMessage sync.Map
 
-	// A list of processing batch commitment.
-	// key(string): confirmation ID, value(string): batch id.
-	processingCommitment 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 id.
+	// 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, db database.OrmFactory, cfg *config.RelayerConfig) (*Layer2Relayer, error) {
+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
 	messageSender, err := sender.NewSender(ctx, cfg.SenderConfig, cfg.MessageSenderPrivateKeys)
 	if err != nil {
@@ -76,20 +110,55 @@ func NewLayer2Relayer(ctx context.Context, db database.OrmFactory, cfg *config.R
 		return nil, err
 	}
 
+	gasOracleSender, err := sender.NewSender(ctx, cfg.SenderConfig, cfg.GasOracleSenderPrivateKeys)
+	if err != nil {
+		log.Error("Failed to create gas oracle sender", "err", err)
+		return nil, err
+	}
+
+	var minGasPrice uint64
+	var gasPriceDiff uint64
+	if cfg.GasOracleConfig != nil {
+		minGasPrice = cfg.GasOracleConfig.MinGasPrice
+		gasPriceDiff = cfg.GasOracleConfig.GasPriceDiff
+	} else {
+		minGasPrice = 0
+		gasPriceDiff = defaultGasPriceDiff
+	}
+
+	minGasLimitForMessageRelay := uint64(defaultMessageRelayMinGasLimit)
+	if cfg.MessageRelayMinGasLimit != 0 {
+		minGasLimitForMessageRelay = cfg.MessageRelayMinGasLimit
+	}
+
 	return &Layer2Relayer{
-		ctx:                    ctx,
-		db:                     db,
-		messageSender:          messageSender,
-		messageCh:              messageSender.ConfirmChan(),
-		l1MessengerABI:         bridge_abi.L1MessengerMetaABI,
-		rollupSender:           rollupSender,
-		rollupCh:               rollupSender.ConfirmChan(),
-		l1RollupABI:            bridge_abi.RollupMetaABI,
-		cfg:                    cfg,
-		processingMessage:      sync.Map{},
-		processingCommitment:   sync.Map{},
-		processingFinalization: sync.Map{},
-		stopCh:                 make(chan struct{}),
+		ctx: ctx,
+		db:  db,
+
+		l2Client: l2Client,
+
+		messageSender:  messageSender,
+		messageCh:      messageSender.ConfirmChan(),
+		l1MessengerABI: bridge_abi.L1ScrollMessengerABI,
+
+		rollupSender: rollupSender,
+		rollupCh:     rollupSender.ConfirmChan(),
+		l1RollupABI:  bridge_abi.ScrollChainABI,
+
+		gasOracleSender: gasOracleSender,
+		gasOracleCh:     gasOracleSender.ConfirmChan(),
+		l2GasOracleABI:  bridge_abi.L2GasPriceOracleABI,
+
+		minGasLimitForMessageRelay: minGasLimitForMessageRelay,
+
+		minGasPrice:  minGasPrice,
+		gasPriceDiff: gasPriceDiff,
+
+		cfg:                         cfg,
+		processingMessage:           sync.Map{},
+		processingBatchesCommitment: sync.Map{},
+		processingFinalization:      sync.Map{},
+		stopCh:                      make(chan struct{}),
 	}, nil
 }
 
@@ -105,7 +174,7 @@ func (r *Layer2Relayer) ProcessSavedEvents() {
 
 	// msgs are sorted by nonce in increasing order
 	msgs, err := r.db.GetL2Messages(
-		map[string]interface{}{"status": orm.MsgPending},
+		map[string]interface{}{"status": types.MsgPending},
 		fmt.Sprintf("AND height<=%d", batch.EndBlockNumber),
 		fmt.Sprintf("ORDER BY nonce ASC LIMIT %d", processMsgLimit),
 	)
@@ -125,7 +194,7 @@ func (r *Layer2Relayer) ProcessSavedEvents() {
 		for _, msg := range msgs[:size] {
 			msg := msg
 			g.Go(func() error {
-				return r.processSavedEvent(msg, batch.Index)
+				return r.processSavedEvent(msg)
 			})
 		}
 		if err := g.Wait(); err != nil {
@@ -137,13 +206,24 @@ func (r *Layer2Relayer) ProcessSavedEvents() {
 	}
 }
 
-func (r *Layer2Relayer) processSavedEvent(msg *orm.L2Message, index uint64) error {
+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{
-		BlockHeight: big.NewInt(int64(msg.Height)),
-		BatchIndex:  big.NewInt(0).SetUint64(index),
+		BatchHash:   common.HexToHash(blockInfo.BatchHash.String),
 		MerkleProof: make([]byte, 0),
 	}
 	from := common.HexToAddress(msg.Sender)
@@ -154,23 +234,21 @@ func (r *Layer2Relayer) processSavedEvent(msg *orm.L2Message, index uint64) erro
 		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", from, 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 err
 	}
 
-	hash, err := r.messageSender.SendTransaction(msg.MsgHash, &r.cfg.MessengerContractAddress, big.NewInt(0), data)
+	hash, err := r.messageSender.SendTransaction(msg.MsgHash, &r.cfg.MessengerContractAddress, big.NewInt(0), data, r.minGasLimitForMessageRelay)
 	if err != nil && err.Error() == "execution reverted: Message expired" {
-		return r.db.UpdateLayer2Status(r.ctx, msg.MsgHash, orm.MsgExpired)
+		return r.db.UpdateLayer2Status(r.ctx, msg.MsgHash, types.MsgExpired)
 	}
 	if err != nil && err.Error() == "execution reverted: Message successfully executed" {
-		return r.db.UpdateLayer2Status(r.ctx, msg.MsgHash, orm.MsgConfirmed)
+		return r.db.UpdateLayer2Status(r.ctx, msg.MsgHash, types.MsgConfirmed)
 	}
 	if err != nil {
 		if !errors.Is(err, sender.ErrNoAvailableAccount) {
@@ -178,11 +256,12 @@ func (r *Layer2Relayer) processSavedEvent(msg *orm.L2Message, index uint64) erro
 		}
 		return err
 	}
+	bridgeL2MsgsRelayedTotalCounter.Inc(1)
 	log.Info("relayMessageWithProof to layer1", "msgHash", msg.MsgHash, "txhash", hash.String())
 
 	// save status in db
 	// @todo handle db error
-	err = r.db.UpdateLayer2StatusAndLayer1Hash(r.ctx, msg.MsgHash, orm.MsgSubmitted, hash.String())
+	err = r.db.UpdateLayer2StatusAndLayer1Hash(r.ctx, msg.MsgHash, types.MsgSubmitted, hash.String())
 	if err != nil {
 		log.Error("UpdateLayer2StatusAndLayer1Hash failed", "msgHash", msg.MsgHash, "err", err)
 		return err
@@ -191,97 +270,101 @@ func (r *Layer2Relayer) processSavedEvent(msg *orm.L2Message, index uint64) erro
 	return nil
 }
 
-// ProcessPendingBatches submit batch data to layer 1 rollup contract
-func (r *Layer2Relayer) ProcessPendingBatches() {
-	// batches are sorted by batch index in increasing order
-	batchesInDB, err := r.db.GetPendingBatches(1)
+// 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 batches", "err", err)
-		return
-	}
-	if len(batchesInDB) == 0 {
-		return
-	}
-	id := batchesInDB[0]
-	// @todo add support to relay multiple batches
-
-	batches, err := r.db.GetBlockBatches(map[string]interface{}{"id": id})
-	if err != nil || len(batches) == 0 {
-		log.Error("Failed to GetBlockBatches", "batch_id", id, "err", err)
-		return
-	}
-	batch := batches[0]
-
-	traces, err := r.db.GetBlockTraces(map[string]interface{}{"batch_id": id}, "ORDER BY number ASC")
-	if err != nil || len(traces) == 0 {
-		log.Error("Failed to GetBlockTraces", "batch_id", id, "err", err)
+		log.Error("Failed to GetLatestBatch", "err", err)
 		return
 	}
 
-	layer2Batch := &bridge_abi.IZKRollupLayer2Batch{
-		BatchIndex: batch.Index,
-		ParentHash: common.HexToHash(batch.ParentHash),
-		Blocks:     make([]bridge_abi.IZKRollupLayer2BlockHeader, len(traces)),
-	}
-
-	parentHash := common.HexToHash(batch.ParentHash)
-	for i, trace := range traces {
-		layer2Batch.Blocks[i] = bridge_abi.IZKRollupLayer2BlockHeader{
-			BlockHash:   trace.Header.Hash(),
-			ParentHash:  parentHash,
-			BaseFee:     trace.Header.BaseFee,
-			StateRoot:   trace.StorageTrace.RootAfter,
-			BlockHeight: trace.Header.Number.Uint64(),
-			GasUsed:     0,
-			Timestamp:   trace.Header.Time,
-			ExtraData:   make([]byte, 0),
-			Txs:         make([]bridge_abi.IZKRollupLayer2Transaction, len(trace.Transactions)),
-		}
-		for j, tx := range trace.Transactions {
-			layer2Batch.Blocks[i].Txs[j] = 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),
-				R:        tx.R.ToInt(),
-				S:        tx.S.ToInt(),
-				V:        tx.V.ToInt().Uint64(),
-			}
-			if tx.To != nil {
-				layer2Batch.Blocks[i].Txs[j].Target = *tx.To
-			}
-			layer2Batch.Blocks[i].GasUsed += trace.ExecutionResults[j].Gas
+	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
 		}
+		suggestGasPriceUint64 := uint64(suggestGasPrice.Int64())
+		expectedDelta := r.lastGasPrice * r.gasPriceDiff / gasPriceDiffPrecision
 
-		// for next iteration
-		parentHash = layer2Batch.Blocks[i].BlockHash
+		// last is undefine or (suggestGasPriceUint64 >= minGasPrice && exceed diff)
+		if r.lastGasPrice == 0 || (suggestGasPriceUint64 >= r.minGasPrice && (suggestGasPriceUint64 >= r.lastGasPrice+expectedDelta || suggestGasPriceUint64 <= r.lastGasPrice-expectedDelta)) {
+			data, err := r.l2GasOracleABI.Pack("setL2BaseFee", suggestGasPrice)
+			if err != nil {
+				log.Error("Failed to pack setL2BaseFee", "batch.Hash", batch.Hash, "GasPrice", suggestGasPrice.Uint64(), "err", err)
+				return
+			}
+
+			hash, err := r.gasOracleSender.SendTransaction(batch.Hash, &r.cfg.GasPriceOracleContractAddress, big.NewInt(0), data, 0)
+			if err != nil {
+				if !errors.Is(err, sender.ErrNoAvailableAccount) {
+					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)
+		}
+	}
+}
+
+// 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("commitBatch", layer2Batch)
+	// pack calldata
+	commitBatches := make([]bridge_abi.IScrollChainBatch, len(batchData))
+	for i, batch := range batchData {
+		commitBatches[i] = batch.Batch
+	}
+	calldata, err := r.l1RollupABI.Pack("commitBatches", commitBatches)
 	if err != nil {
-		log.Error("Failed to pack commitBatch", "id", id, "index", batch.Index, "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
 	}
 
-	txID := id + "-commit"
-	// add suffix `-commit` to avoid duplication with finalize tx in unit tests
-	hash, err := r.rollupSender.SendTransaction(txID, &r.cfg.RollupContractAddress, big.NewInt(0), data)
+	// generate a unique txID and send transaction
+	var bytes []byte
+	for _, batch := range batchData {
+		bytes = append(bytes, batch.Hash().Bytes()...)
+	}
+	txID := crypto.Keccak256Hash(bytes).String()
+	txHash, err := r.rollupSender.SendTransaction(txID, &r.cfg.RollupContractAddress, big.NewInt(0), calldata, 0)
 	if err != nil {
 		if !errors.Is(err, sender.ErrNoAvailableAccount) {
-			log.Error("Failed to send commitBatch tx to layer1 ", "id", id, "index", batch.Index, "err", err)
+			log.Error("Failed to send commitBatches tx to layer1 ", "err", err)
 		}
-		return
+		return err
 	}
-	log.Info("commitBatch in layer1", "batch_id", id, "index", batch.Index, "hash", hash)
+	bridgeL2BatchesCommittedTotalCounter.Inc(int64(len(commitBatches)))
+	log.Info("Sent the commitBatches tx to layer1",
+		"tx_hash", txHash.Hex(),
+		"start_batch_index", commitBatches[0].BatchIndex,
+		"end_batch_index", commitBatches[len(commitBatches)-1].BatchIndex)
 
 	// record and sync with db, @todo handle db error
-	err = r.db.UpdateCommitTxHashAndRollupStatus(r.ctx, id, hash.String(), orm.RollupCommitting)
-	if err != nil {
-		log.Error("UpdateCommitTxHashAndRollupStatus failed", "id", id, "index", batch.Index, "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.processingCommitment.Store(txID, id)
+	r.processingBatchesCommitment.Store(txID, batchHashes)
+	return nil
 }
 
 // ProcessCommittedBatches submit proof to layer 1 rollup contract
@@ -291,103 +374,140 @@ func (r *Layer2Relayer) ProcessCommittedBatches() {
 		log.Error("UpdateSkippedBatches failed", "err", err)
 		// continue anyway
 	} else if count > 0 {
+		bridgeL2BatchesSkippedTotalCounter.Inc(count)
 		log.Info("Skipping batches", "count", count)
 	}
 
 	// batches are sorted by batch index in increasing order
-	batches, err := r.db.GetCommittedBatches(1)
+	batchHashes, err := r.db.GetCommittedBatches(1)
 	if err != nil {
 		log.Error("Failed to fetch committed L2 batches", "err", err)
 		return
 	}
-	if len(batches) == 0 {
+	if len(batchHashes) == 0 {
 		return
 	}
-	id := batches[0]
+	hash := batchHashes[0]
 	// @todo add support to relay multiple batches
 
-	status, err := r.db.GetProvingStatusByID(id)
+	batches, err := r.db.GetBlockBatches(map[string]interface{}{"hash": hash}, "LIMIT 1")
 	if err != nil {
-		log.Error("GetProvingStatusByID failed", "id", id, "err", err)
+		log.Error("Failed to fetch committed L2 batch", "hash", hash, "err", err)
+		return
+	}
+	if len(batches) == 0 {
+		log.Error("Unexpected result for GetBlockBatches", "hash", hash, "len", 0)
 		return
 	}
 
+	batch := batches[0]
+	status := batch.ProvingStatus
+
 	switch status {
-	case orm.ProvingTaskUnassigned, orm.ProvingTaskAssigned:
+	case types.ProvingTaskUnassigned, types.ProvingTaskAssigned:
 		// The proof for this block is not ready yet.
 		return
 
-	case orm.ProvingTaskProved:
+	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.ProvingTaskFailed, orm.ProvingTaskSkipped:
+	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, id, orm.RollupFinalizationSkipped); err != nil {
-			log.Warn("UpdateRollupStatus failed", "id", id, "err", err)
+		if err = r.db.UpdateRollupStatus(r.ctx, hash, types.RollupFinalizationSkipped); err != nil {
+			log.Warn("UpdateRollupStatus failed", "hash", hash, "err", err)
 		}
 
-	case orm.ProvingTaskVerified:
-		log.Info("Start to roll up zk proof", "id", id)
+	case types.ProvingTaskVerified:
+		log.Info("Start to roll up zk proof", "hash", hash)
 		success := false
 
+		previousBatch, err := r.db.GetLatestFinalizingOrFinalizedBatch()
+
+		// skip submitting proof
+		if err == nil && uint64(batch.CreatedAt.Sub(*previousBatch.CreatedAt).Seconds()) < r.cfg.FinalizeBatchIntervalSec {
+			log.Info(
+				"Not enough time passed, skipping",
+				"hash", hash,
+				"createdAt", batch.CreatedAt,
+				"lastFinalizingHash", previousBatch.Hash,
+				"lastFinalizingStatus", previousBatch.RollupStatus,
+				"lastFinalizingCreatedAt", previousBatch.CreatedAt,
+			)
+
+			if err = r.db.UpdateRollupStatus(r.ctx, hash, types.RollupFinalizationSkipped); err != nil {
+				log.Warn("UpdateRollupStatus failed", "hash", hash, "err", err)
+			} else {
+				success = true
+			}
+
+			return
+		}
+
+		// handle unexpected db error
+		if err != nil && err.Error() != "sql: no rows in result set" {
+			log.Error("Failed to get latest finalized batch", "err", err)
+			return
+		}
+
 		defer func() {
 			// TODO: need to revisit this and have a more fine-grained error handling
 			if !success {
-				log.Info("Failed to upload the proof, change rollup status to FinalizationSkipped", "id", id)
-				if err = r.db.UpdateRollupStatus(r.ctx, id, orm.RollupFinalizationSkipped); err != nil {
-					log.Warn("UpdateRollupStatus failed", "id", id, "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.GetVerifiedProofAndInstanceByID(id)
+		proofBuffer, instanceBuffer, err := r.db.GetVerifiedProofAndInstanceByHash(hash)
 		if err != nil {
-			log.Warn("fetch get proof by id failed", "id", id, "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", "id", id)
+			log.Warn("proof or instance not ready", "hash", hash)
 			return
 		}
 		if len(proofBuffer)%32 != 0 {
-			log.Error("proof buffer has wrong length", "id", id, "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", "id", id, "length", len(instanceBuffer))
+			log.Warn("instance buffer has wrong length", "hash", hash, "length", len(instanceBuffer))
 			return
 		}
 
 		proof := utils.BufferToUint256Le(proofBuffer)
 		instance := utils.BufferToUint256Le(instanceBuffer)
-		data, err := r.l1RollupABI.Pack("finalizeBatchWithProof", common.HexToHash(id), proof, instance)
+		data, err := r.l1RollupABI.Pack("finalizeBatchWithProof", common.HexToHash(hash), proof, instance)
 		if err != nil {
 			log.Error("Pack finalizeBatchWithProof failed", "err", err)
 			return
 		}
 
-		txID := id + "-finalize"
+		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)
-		hash := &txHash
+		txHash, err := r.rollupSender.SendTransaction(txID, &r.cfg.RollupContractAddress, big.NewInt(0), data, 0)
+		finalizeTxHash := &txHash
 		if err != nil {
 			if !errors.Is(err, sender.ErrNoAvailableAccount) {
-				log.Error("finalizeBatchWithProof in layer1 failed", "id", id, "err", err)
+				log.Error("finalizeBatchWithProof in layer1 failed", "hash", hash, "err", err)
 			}
 			return
 		}
-		log.Info("finalizeBatchWithProof in layer1", "batch_id", id, "hash", hash)
+		bridgeL2BatchesFinalizedTotalCounter.Inc(1)
+		log.Info("finalizeBatchWithProof in layer1", "batch_hash", hash, "tx_hash", hash)
 
 		// record and sync with db, @todo handle db error
-		err = r.db.UpdateFinalizeTxHashAndRollupStatus(r.ctx, id, hash.String(), orm.RollupFinalizing)
+		err = r.db.UpdateFinalizeTxHashAndRollupStatus(r.ctx, hash, finalizeTxHash.String(), types.RollupFinalizing)
 		if err != nil {
-			log.Warn("UpdateFinalizeTxHashAndRollupStatus failed", "batch_id", id, "err", err)
+			log.Warn("UpdateFinalizeTxHashAndRollupStatus failed", "batch_hash", hash, "err", err)
 		}
 		success = true
-		r.processingFinalization.Store(txID, id)
+		r.processingFinalization.Store(txID, hash)
 
 	default:
 		log.Error("encounter unreachable case in ProcessCommittedBatches",
@@ -398,26 +518,11 @@ func (r *Layer2Relayer) ProcessCommittedBatches() {
 
 // Start the relayer process
 func (r *Layer2Relayer) Start() {
-	loop := func(ctx context.Context, f func()) {
-		ticker := time.NewTicker(time.Second)
-		defer ticker.Stop()
-
-		for {
-			select {
-			case <-ctx.Done():
-				return
-			case <-ticker.C:
-				f()
-			}
-		}
-	}
-
 	go func() {
 		ctx, cancel := context.WithCancel(r.ctx)
-
-		go loop(ctx, r.ProcessSavedEvents)
-		go loop(ctx, r.ProcessPendingBatches)
-		go loop(ctx, r.ProcessCommittedBatches)
+		go cutil.Loop(ctx, time.Second, r.ProcessSavedEvents)
+		go cutil.Loop(ctx, time.Second, r.ProcessCommittedBatches)
+		go cutil.Loop(ctx, time.Second, r.ProcessGasPriceOracle)
 
 		go func(ctx context.Context) {
 			for {
@@ -428,6 +533,22 @@ func (r *Layer2Relayer) Start() {
 					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)
@@ -453,32 +574,38 @@ func (r *Layer2Relayer) handleConfirmation(confirmation *sender.Confirmation) {
 	if msgHash, ok := r.processingMessage.Load(confirmation.ID); ok {
 		transactionType = "MessageRelay"
 		// @todo handle db error
-		err := r.db.UpdateLayer2StatusAndLayer1Hash(r.ctx, msgHash.(string), orm.MsgConfirmed, confirmation.TxHash.String())
+		err := r.db.UpdateLayer2StatusAndLayer1Hash(r.ctx, msgHash.(string), types.MsgConfirmed, confirmation.TxHash.String())
 		if err != nil {
 			log.Warn("UpdateLayer2StatusAndLayer1Hash failed", "msgHash", msgHash.(string), "err", err)
 		}
+		bridgeL2MsgsRelayedConfirmedTotalCounter.Inc(1)
 		r.processingMessage.Delete(confirmation.ID)
 	}
 
-	// check whether it is block commitment transaction
-	if batchID, ok := r.processingCommitment.Load(confirmation.ID); ok {
-		transactionType = "BatchCommitment"
-		// @todo handle db error
-		err := r.db.UpdateCommitTxHashAndRollupStatus(r.ctx, batchID.(string), confirmation.TxHash.String(), orm.RollupCommitted)
-		if err != nil {
-			log.Warn("UpdateCommitTxHashAndRollupStatus failed", "batch_id", batchID.(string), "err", err)
+	// check whether it is CommitBatches transaction
+	if batchBatches, ok := r.processingBatchesCommitment.Load(confirmation.ID); ok {
+		transactionType = "BatchesCommitment"
+		batchHashes := batchBatches.([]string)
+		for _, batchHash := range batchHashes {
+			// @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)
+			}
 		}
-		r.processingCommitment.Delete(confirmation.ID)
+		bridgeL2BatchesCommittedConfirmedTotalCounter.Inc(int64(len(batchHashes)))
+		r.processingBatchesCommitment.Delete(confirmation.ID)
 	}
 
 	// check whether it is proof finalization transaction
-	if batchID, ok := r.processingFinalization.Load(confirmation.ID); ok {
+	if batchHash, ok := r.processingFinalization.Load(confirmation.ID); ok {
 		transactionType = "ProofFinalization"
 		// @todo handle db error
-		err := r.db.UpdateFinalizeTxHashAndRollupStatus(r.ctx, batchID.(string), confirmation.TxHash.String(), orm.RollupFinalized)
+		err := r.db.UpdateFinalizeTxHashAndRollupStatus(r.ctx, batchHash.(string), confirmation.TxHash.String(), types.RollupFinalized)
 		if err != nil {
-			log.Warn("UpdateFinalizeTxHashAndRollupStatus failed", "batch_id", batchID.(string), "err", err)
+			log.Warn("UpdateFinalizeTxHashAndRollupStatus failed", "batch_hash", batchHash.(string), "err", err)
 		}
+		bridgeL2BatchesFinalizedConfirmedTotalCounter.Inc(1)
 		r.processingFinalization.Delete(confirmation.ID)
 	}
 	log.Info("transaction confirmed in layer1", "type", transactionType, "confirmation", confirmation)

bridge/l2/relayer_test.go

@@ -5,27 +5,26 @@ import (
 	"encoding/json"
 	"math/big"
 	"os"
+	"strconv"
 	"testing"
-	"time"
 
-	"github.com/scroll-tech/go-ethereum/core/types"
+	"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/database"
 	"scroll-tech/database/migrate"
-	"scroll-tech/database/orm"
 )
 
 var (
-	templateL2Message = []*orm.L2Message{
+	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",
@@ -40,7 +39,7 @@ func testCreateNewRelayer(t *testing.T) {
 	assert.NoError(t, migrate.ResetDB(db.GetDB().DB))
 	defer db.Close()
 
-	relayer, err := NewLayer2Relayer(context.Background(), db, cfg.L2Config.RelayerConfig)
+	relayer, err := NewLayer2Relayer(context.Background(), l2Cli, db, cfg.L2Config.RelayerConfig)
 	assert.NoError(t, err)
 	defer relayer.Stop()
 
@@ -55,107 +54,42 @@ func testL2RelayerProcessSaveEvents(t *testing.T) {
 	defer db.Close()
 
 	l2Cfg := cfg.L2Config
-	relayer, err := NewLayer2Relayer(context.Background(), db, l2Cfg.RelayerConfig)
+	relayer, err := NewLayer2Relayer(context.Background(), l2Cli, db, l2Cfg.RelayerConfig)
 	assert.NoError(t, err)
 	defer relayer.Stop()
 
 	err = db.SaveL2Messages(context.Background(), templateL2Message)
 	assert.NoError(t, err)
 
-	traces := []*types.BlockTrace{
+	traces := []*geth_types.BlockTrace{
 		{
-			Header: &types.Header{
+			Header: &geth_types.Header{
 				Number: big.NewInt(int64(templateL2Message[0].Height)),
 			},
 		},
 		{
-			Header: &types.Header{
+			Header: &geth_types.Header{
 				Number: big.NewInt(int64(templateL2Message[0].Height + 1)),
 			},
 		},
 	}
-	err = db.InsertBlockTraces(traces)
-	assert.NoError(t, err)
+	assert.NoError(t, db.InsertL2BlockTraces(traces))
 
 	dbTx, err := db.Beginx()
 	assert.NoError(t, err)
-	batchID, err := db.NewBatchInDBTx(dbTx,
-		&orm.BlockInfo{Number: templateL2Message[0].Height},
-		&orm.BlockInfo{Number: templateL2Message[0].Height + 1},
-		"0f", 1, 194676) // parentHash & totalTxNum & totalL2Gas don't really matter here
-	assert.NoError(t, err)
-	err = db.SetBatchIDForBlocksInDBTx(dbTx, []uint64{
-		templateL2Message[0].Height,
-		templateL2Message[0].Height + 1}, batchID)
-	assert.NoError(t, err)
-	err = dbTx.Commit()
-	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(), batchID, orm.RollupFinalized)
+	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, orm.MsgSubmitted, msg.Status)
-}
-
-func testL2RelayerProcessPendingBatches(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(), db, l2Cfg.RelayerConfig)
-	assert.NoError(t, err)
-	defer relayer.Stop()
-
-	// 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 traces []*types.BlockTrace
-
-	templateBlockTrace, err := os.ReadFile("../../common/testdata/blockTrace_02.json")
-	assert.NoError(t, err)
-	blockTrace := &types.BlockTrace{}
-	err = json.Unmarshal(templateBlockTrace, blockTrace)
-	assert.NoError(t, err)
-	traces = append(traces, blockTrace)
-	templateBlockTrace, err = os.ReadFile("../../common/testdata/blockTrace_03.json")
-	assert.NoError(t, err)
-	blockTrace = &types.BlockTrace{}
-	err = json.Unmarshal(templateBlockTrace, blockTrace)
-	assert.NoError(t, err)
-	traces = append(traces, blockTrace)
-
-	err = db.InsertBlockTraces(traces)
-	assert.NoError(t, err)
-
-	dbTx, err := db.Beginx()
-	assert.NoError(t, err)
-	batchID, err := db.NewBatchInDBTx(dbTx,
-		&orm.BlockInfo{Number: traces[0].Header.Number.Uint64()},
-		&orm.BlockInfo{Number: traces[1].Header.Number.Uint64()},
-		"ff", 1, 194676) // parentHash & totalTxNum & totalL2Gas don't really matter here
-	assert.NoError(t, err)
-	err = db.SetBatchIDForBlocksInDBTx(dbTx, []uint64{
-		traces[0].Header.Number.Uint64(),
-		traces[1].Header.Number.Uint64()}, batchID)
-	assert.NoError(t, err)
-	err = dbTx.Commit()
-	assert.NoError(t, err)
-
-	// err = db.UpdateRollupStatus(context.Background(), batchID, orm.RollupPending)
-	// assert.NoError(t, err)
-
-	relayer.ProcessPendingBatches()
-
-	// Check if Rollup Result is changed successfully
-	status, err := db.GetRollupStatus(batchID)
-	assert.NoError(t, err)
-	assert.Equal(t, orm.RollupCommitting, status)
+	assert.Equal(t, types.MsgSubmitted, msg.Status)
 }
 
 func testL2RelayerProcessCommittedBatches(t *testing.T) {
@@ -166,32 +100,32 @@ func testL2RelayerProcessCommittedBatches(t *testing.T) {
 	defer db.Close()
 
 	l2Cfg := cfg.L2Config
-	relayer, err := NewLayer2Relayer(context.Background(), db, l2Cfg.RelayerConfig)
+	relayer, err := NewLayer2Relayer(context.Background(), l2Cli, db, l2Cfg.RelayerConfig)
 	assert.NoError(t, err)
 	defer relayer.Stop()
 
 	dbTx, err := db.Beginx()
 	assert.NoError(t, err)
-	batchID, err := db.NewBatchInDBTx(dbTx, &orm.BlockInfo{}, &orm.BlockInfo{}, "0", 1, 194676) // startBlock & endBlock & parentHash & totalTxNum & totalL2Gas don't really matter here
-	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(), batchID, orm.RollupCommitted)
+	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.UpdateProofByID(context.Background(), batchID, tProof, tInstanceCommitments, 100)
+	err = db.UpdateProofByHash(context.Background(), batchHash, tProof, tInstanceCommitments, 100)
 	assert.NoError(t, err)
-	err = db.UpdateProvingStatus(batchID, orm.ProvingTaskVerified)
+	err = db.UpdateProvingStatus(batchHash, types.ProvingTaskVerified)
 	assert.NoError(t, err)
 
 	relayer.ProcessCommittedBatches()
 
-	status, err := db.GetRollupStatus(batchID)
+	status, err := db.GetRollupStatus(batchHash)
 	assert.NoError(t, err)
-	assert.Equal(t, orm.RollupFinalizing, status)
+	assert.Equal(t, types.RollupFinalizing, status)
 }
 
 func testL2RelayerSkipBatches(t *testing.T) {
@@ -202,46 +136,47 @@ func testL2RelayerSkipBatches(t *testing.T) {
 	defer db.Close()
 
 	l2Cfg := cfg.L2Config
-	relayer, err := NewLayer2Relayer(context.Background(), db, l2Cfg.RelayerConfig)
+	relayer, err := NewLayer2Relayer(context.Background(), l2Cli, db, l2Cfg.RelayerConfig)
 	assert.NoError(t, err)
 	defer relayer.Stop()
 
-	createBatch := func(rollupStatus orm.RollupStatus, provingStatus orm.ProvingStatus) string {
+	createBatch := func(rollupStatus types.RollupStatus, provingStatus types.ProvingStatus, index uint64) string {
 		dbTx, err := db.Beginx()
 		assert.NoError(t, err)
-		batchID, err := db.NewBatchInDBTx(dbTx, &orm.BlockInfo{}, &orm.BlockInfo{}, "0", 1, 194676) // startBlock & endBlock & parentHash & totalTxNum & totalL2Gas don't really matter here
-		assert.NoError(t, err)
+		batchData := genBatchData(t, index)
+		assert.NoError(t, db.NewBatchInDBTx(dbTx, batchData))
+		batchHash := batchData.Hash().Hex()
 		err = dbTx.Commit()
 		assert.NoError(t, err)
 
-		err = db.UpdateRollupStatus(context.Background(), batchID, rollupStatus)
+		err = db.UpdateRollupStatus(context.Background(), batchHash, rollupStatus)
 		assert.NoError(t, err)
 
 		tProof := []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31}
 		tInstanceCommitments := []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31}
-		err = db.UpdateProofByID(context.Background(), batchID, tProof, tInstanceCommitments, 100)
+		err = db.UpdateProofByHash(context.Background(), batchHash, tProof, tInstanceCommitments, 100)
 		assert.NoError(t, err)
-		err = db.UpdateProvingStatus(batchID, provingStatus)
+		err = db.UpdateProvingStatus(batchHash, provingStatus)
 		assert.NoError(t, err)
 
-		return batchID
+		return batchHash
 	}
 
 	skipped := []string{
-		createBatch(orm.RollupCommitted, orm.ProvingTaskSkipped),
-		createBatch(orm.RollupCommitted, orm.ProvingTaskFailed),
+		createBatch(types.RollupCommitted, types.ProvingTaskSkipped, 1),
+		createBatch(types.RollupCommitted, types.ProvingTaskFailed, 2),
 	}
 
 	notSkipped := []string{
-		createBatch(orm.RollupPending, orm.ProvingTaskSkipped),
-		createBatch(orm.RollupCommitting, orm.ProvingTaskSkipped),
-		createBatch(orm.RollupFinalizing, orm.ProvingTaskSkipped),
-		createBatch(orm.RollupFinalized, orm.ProvingTaskSkipped),
-		createBatch(orm.RollupPending, orm.ProvingTaskFailed),
-		createBatch(orm.RollupCommitting, orm.ProvingTaskFailed),
-		createBatch(orm.RollupFinalizing, orm.ProvingTaskFailed),
-		createBatch(orm.RollupFinalized, orm.ProvingTaskFailed),
-		createBatch(orm.RollupCommitted, orm.ProvingTaskVerified),
+		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()
@@ -249,12 +184,27 @@ func testL2RelayerSkipBatches(t *testing.T) {
 	for _, id := range skipped {
 		status, err := db.GetRollupStatus(id)
 		assert.NoError(t, err)
-		assert.Equal(t, orm.RollupFinalizationSkipped, status)
+		assert.Equal(t, types.RollupFinalizationSkipped, status)
 	}
 
 	for _, id := range notSkipped {
 		status, err := db.GetRollupStatus(id)
 		assert.NoError(t, err)
-		assert.NotEqual(t, orm.RollupFinalizationSkipped, status)
+		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

@@ -2,6 +2,7 @@ package l2
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"math/big"
 	"reflect"
@@ -10,25 +11,31 @@ import (
 	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"
+	geth_metrics "github.com/scroll-tech/go-ethereum/metrics"
 	"github.com/scroll-tech/go-ethereum/rpc"
 
+	"scroll-tech/common/metrics"
+	"scroll-tech/common/types"
+	cutil "scroll-tech/common/utils"
+	"scroll-tech/database"
+
 	bridge_abi "scroll-tech/bridge/abi"
 	"scroll-tech/bridge/utils"
-
-	"scroll-tech/database"
-	"scroll-tech/database/orm"
-
-	"scroll-tech/bridge/config"
 )
 
 // Metrics
 var (
-	bridgeL2MsgSyncHeightGauge = metrics.NewRegisteredGauge("bridge/l2/msg/sync/height", nil)
+	bridgeL2MsgsSyncHeightGauge      = geth_metrics.NewRegisteredGauge("bridge/l2/msgs/sync/height", metrics.ScrollRegistry)
+	bridgeL2TracesFetchedHeightGauge = geth_metrics.NewRegisteredGauge("bridge/l2/traces/fetched/height", metrics.ScrollRegistry)
+	bridgeL2TracesFetchedGapGauge    = geth_metrics.NewRegisteredGauge("bridge/l2/traces/fetched/gap", metrics.ScrollRegistry)
+
+	bridgeL2MsgsSentEventsTotalCounter    = geth_metrics.NewRegisteredCounter("bridge/l2/msgs/sent/events/total", metrics.ScrollRegistry)
+	bridgeL2MsgsAppendEventsTotalCounter  = geth_metrics.NewRegisteredCounter("bridge/l2/msgs/append/events/total", metrics.ScrollRegistry)
+	bridgeL2MsgsRelayedEventsTotalCounter = geth_metrics.NewRegisteredCounter("bridge/l2/msgs/relayed/events/total", metrics.ScrollRegistry)
 )
 
 type relayedMessage struct {
@@ -46,21 +53,23 @@ type WatcherClient struct {
 
 	orm database.OrmFactory
 
-	confirmations    rpc.BlockNumber
+	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
 
 	stopped uint64
 	stopCh  chan struct{}
-
-	batchProposer *batchProposer
 }
 
 // NewL2WatcherClient take a l2geth instance to generate a l2watcherclient instance
-func NewL2WatcherClient(ctx context.Context, client *ethclient.Client, confirmations rpc.BlockNumber, bpCfg *config.BatchProposerConfig, messengerAddress common.Address, 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)
@@ -73,11 +82,15 @@ func NewL2WatcherClient(ctx context.Context, client *ethclient.Client, confirmat
 		orm:                orm,
 		processedMsgHeight: uint64(savedHeight),
 		confirmations:      confirmations,
-		messengerAddress:   messengerAddress,
-		messengerABI:       bridge_abi.L2MessengerMetaABI,
-		stopCh:             make(chan struct{}),
-		stopped:            0,
-		batchProposer:      newBatchProposer(bpCfg, orm),
+
+		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
@@ -101,47 +114,31 @@ func (w *WatcherClient) initializeGenesis() error {
 		return fmt.Errorf("failed to retrieve L2 genesis header: %v", err)
 	}
 
-	// EIP1559 is disabled so the RPC won't return baseFeePerGas. However, l2geth
-	// still uses BaseFee when calculating the block hash. If we keep it as <nil>
-	// here the genesis hash will not match.
-	genesis.BaseFee = big.NewInt(0)
-
 	log.Info("retrieved L2 genesis header", "hash", genesis.Hash().String())
 
-	trace := &types.BlockTrace{
+	blockTrace := &geth_types.BlockTrace{
 		Coinbase:         nil,
 		Header:           genesis,
-		Transactions:     []*types.TransactionData{},
+		Transactions:     []*geth_types.TransactionData{},
 		StorageTrace:     nil,
-		ExecutionResults: []*types.ExecutionResult{},
+		ExecutionResults: []*geth_types.ExecutionResult{},
 		MPTWitness:       nil,
 	}
 
-	if err := w.orm.InsertBlockTraces([]*types.BlockTrace{trace}); err != nil {
-		return fmt.Errorf("failed to insert block traces: %v", err)
-	}
+	batchData := types.NewGenesisBatchData(blockTrace)
 
-	blocks, err := w.orm.GetUnbatchedBlocks(map[string]interface{}{})
-	if err != nil {
+	if err = AddBatchInfoToDB(w.orm, batchData); err != nil {
+		log.Error("failed to add batch info to DB", "BatchHash", batchData.Hash(), "error", err)
 		return err
 	}
 
-	if len(blocks) != 1 {
-		return fmt.Errorf("unexpected number of unbatched blocks in db, expected: 1, actual: %v", len(blocks))
-	}
+	batchHash := batchData.Hash().Hex()
 
-	batchID, err := w.batchProposer.createBatchForBlocks(blocks)
-	if err != nil {
-		return fmt.Errorf("failed to create batch: %v", err)
-	}
-
-	err = w.orm.UpdateProvingStatus(batchID, orm.ProvingTaskProved)
-	if err != nil {
+	if err = w.orm.UpdateProvingStatus(batchHash, types.ProvingTaskProved); err != nil {
 		return fmt.Errorf("failed to update genesis batch proving status: %v", err)
 	}
 
-	err = w.orm.UpdateRollupStatus(w.ctx, batchID, orm.RollupFinalized)
-	if err != nil {
+	if err = w.orm.UpdateRollupStatus(w.ctx, batchHash, types.RollupFinalized); err != nil {
 		return fmt.Errorf("failed to update genesis batch rollup status: %v", err)
 	}
 
@@ -158,66 +155,23 @@ func (w *WatcherClient) Start() {
 		}
 
 		ctx, cancel := context.WithCancel(w.ctx)
-
-		// trace fetcher loop
-		go func(ctx context.Context) {
-			ticker := time.NewTicker(3 * time.Second)
-			defer ticker.Stop()
-
-			for {
-				select {
-				case <-ctx.Done():
-					return
-
-				case <-ticker.C:
-					number, err := utils.GetLatestConfirmedBlockNumber(ctx, w.Client, w.confirmations)
-					if err != nil {
-						log.Error("failed to get block number", "err", err)
-						continue
-					}
-
-					w.tryFetchRunningMissingBlocks(ctx, number)
-				}
+		go cutil.LoopWithContext(ctx, 2*time.Second, func(subCtx context.Context) {
+			number, err := utils.GetLatestConfirmedBlockNumber(subCtx, w.Client, w.confirmations)
+			if err != nil {
+				log.Error("failed to get block number", "err", err)
+			} else {
+				w.tryFetchRunningMissingBlocks(ctx, number)
 			}
-		}(ctx)
+		})
 
-		// event fetcher loop
-		go func(ctx context.Context) {
-			ticker := time.NewTicker(3 * 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)
-				}
+		go cutil.LoopWithContext(ctx, 2*time.Second, func(subCtx context.Context) {
+			number, err := utils.GetLatestConfirmedBlockNumber(subCtx, w.Client, w.confirmations)
+			if err != nil {
+				log.Error("failed to get block number", "err", err)
+			} else {
+				w.FetchContractEvent(number)
 			}
-		}(ctx)
-
-		// batch proposer loop
-		go func(ctx context.Context) {
-			ticker := time.NewTicker(3 * time.Second)
-			defer ticker.Stop()
-
-			for {
-				select {
-				case <-ctx.Done():
-					return
-
-				case <-ticker.C:
-					w.batchProposer.tryProposeBatch()
-				}
-			}
-		}(ctx)
+		})
 
 		<-w.stopCh
 		cancel()
@@ -236,9 +190,9 @@ func (w *WatcherClient) tryFetchRunningMissingBlocks(ctx context.Context, blockH
 	// Get newest block in DB. must have blocks at that time.
 	// Don't use "block_trace" table "trace" column's BlockTrace.Number,
 	// because it might be empty if the corresponding rollup_result is finalized/finalization_skipped
-	heightInDB, err := w.orm.GetBlockTracesLatestHeight()
+	heightInDB, err := w.orm.GetL2BlockTracesLatestHeight()
 	if err != nil {
-		log.Error("failed to GetBlockTracesLatestHeight", "err", err)
+		log.Error("failed to GetL2BlockTracesLatestHeight", "err", err)
 		return
 	}
 
@@ -260,12 +214,13 @@ func (w *WatcherClient) tryFetchRunningMissingBlocks(ctx context.Context, blockH
 			log.Error("fail to getAndStoreBlockTraces", "from", from, "to", to, "err", err)
 			return
 		}
+		bridgeL2TracesFetchedHeightGauge.Update(int64(to))
+		bridgeL2TracesFetchedGapGauge.Update(int64(blockHeight - to))
 	}
 }
 
 func (w *WatcherClient) getAndStoreBlockTraces(ctx context.Context, from, to uint64) error {
-	var traces []*types.BlockTrace
-
+	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)))
@@ -273,12 +228,10 @@ func (w *WatcherClient) getAndStoreBlockTraces(ctx context.Context, from, to uin
 			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.InsertBlockTraces(traces); err != nil {
+		if err := w.orm.InsertL2BlockTraces(traces); err != nil {
 			return fmt.Errorf("failed to batch insert BlockTraces: %v", err)
 		}
 	}
@@ -310,13 +263,15 @@ func (w *WatcherClient) FetchContractEvent(blockHeight uint64) {
 			ToBlock:   big.NewInt(to),   // inclusive
 			Addresses: []common.Address{
 				w.messengerAddress,
+				w.messageQueueAddress,
 			},
 			Topics: make([][]common.Hash, 1),
 		}
-		query.Topics[0] = make([]common.Hash, 3)
-		query.Topics[0][0] = common.HexToHash(bridge_abi.SentMessageEventSignature)
-		query.Topics[0][1] = common.HexToHash(bridge_abi.RelayedMessageEventSignature)
-		query.Topics[0][2] = common.HexToHash(bridge_abi.FailedRelayedMessageEventSignature)
+		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
 
 		logs, err := w.FilterLogs(w.ctx, query)
 		if err != nil {
@@ -325,7 +280,7 @@ func (w *WatcherClient) FetchContractEvent(blockHeight uint64) {
 		}
 		if len(logs) == 0 {
 			w.processedMsgHeight = uint64(to)
-			bridgeL2MsgSyncHeightGauge.Update(to)
+			bridgeL2MsgsSyncHeightGauge.Update(to)
 			continue
 		}
 		log.Info("received new L2 messages", "fromBlock", from, "toBlock", to, "cnt", len(logs))
@@ -336,17 +291,22 @@ func (w *WatcherClient) FetchContractEvent(blockHeight uint64) {
 			return
 		}
 
+		sentMessageCount := int64(len(sentMessageEvents))
+		relayedMessageCount := int64(len(relayedMessageEvents))
+		bridgeL2MsgsSentEventsTotalCounter.Inc(sentMessageCount)
+		bridgeL2MsgsRelayedEventsTotalCounter.Inc(relayedMessageCount)
+		log.Info("L2 events types", "SentMessageCount", sentMessageCount, "RelayedMessageCount", relayedMessageCount)
+
 		// Update relayed message first to make sure we don't forget to update submited message.
 		// Since, we always start sync from the latest unprocessed message.
 		for _, msg := range relayedMessageEvents {
+			var msgStatus types.MsgStatus
 			if msg.isSuccessful {
-				// succeed
-				err = w.orm.UpdateLayer1StatusAndLayer2Hash(w.ctx, msg.msgHash.String(), orm.MsgConfirmed, msg.txHash.String())
+				msgStatus = types.MsgConfirmed
 			} else {
-				// failed
-				err = w.orm.UpdateLayer1StatusAndLayer2Hash(w.ctx, msg.msgHash.String(), orm.MsgFailed, msg.txHash.String())
+				msgStatus = types.MsgFailed
 			}
-			if err != nil {
+			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
 			}
@@ -358,72 +318,96 @@ func (w *WatcherClient) FetchContractEvent(blockHeight uint64) {
 		}
 
 		w.processedMsgHeight = uint64(to)
-		bridgeL2MsgSyncHeightGauge.Update(to)
+		bridgeL2MsgsSyncHeightGauge.Update(to)
 	}
 }
 
-func (w *WatcherClient) parseBridgeEventLogs(logs []types.Log) ([]*orm.L2Message, []relayedMessage, error) {
+func (w *WatcherClient) parseBridgeEventLogs(logs []geth_types.Log) ([]*types.L2Message, []relayedMessage, error) {
 	// Need use contract abi to parse event Log
 	// Can only be tested after we have our contracts set up
 
-	var l2Messages []*orm.L2Message
+	var l2Messages []*types.L2Message
 	var relayedMessages []relayedMessage
+	var lastAppendMsgHash common.Hash
+	var lastAppendMsgNonce uint64
 	for _, vLog := range logs {
 		switch vLog.Topics[0] {
-		case common.HexToHash(bridge_abi.SentMessageEventSignature):
-			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 := w.messengerABI.UnpackIntoInterface(&event, "SentMessage", vLog.Data)
+		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
 			}
-			// target is in topics[1]
-			event.Target = common.HexToAddress(vLog.Topics[1].String())
-			l2Messages = append(l2Messages, &orm.L2Message{
+
+			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:    utils.ComputeMessageHash(event.Sender, event.Target, event.Value, event.Fee, event.Deadline, event.Message, event.MessageNonce).String(),
+				MsgHash:    computedMsgHash.String(),
 				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(),
 			})
-		case common.HexToHash(bridge_abi.RelayedMessageEventSignature):
-			event := struct {
-				MsgHash common.Hash
-			}{}
-			// MsgHash is in topics[1]
-			event.MsgHash = common.HexToHash(vLog.Topics[1].String())
+		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.MsgHash,
+				msgHash:      event.MessageHash,
 				txHash:       vLog.TxHash,
 				isSuccessful: true,
 			})
-		case common.HexToHash(bridge_abi.FailedRelayedMessageEventSignature):
-			event := struct {
-				MsgHash common.Hash
-			}{}
-			// MsgHash is in topics[1]
-			event.MsgHash = common.HexToHash(vLog.Topics[1].String())
+		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.MsgHash,
+				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()
+			bridgeL2MsgsAppendEventsTotalCounter.Inc(1)
 		default:
 			log.Error("Unknown event", "topic", vLog.Topics[0], "txHash", vLog.TxHash)
 		}

bridge/l2/watcher_test.go

@@ -10,18 +10,18 @@ import (
 
 	"github.com/scroll-tech/go-ethereum/accounts/abi/bind"
 	"github.com/scroll-tech/go-ethereum/common"
-	"github.com/scroll-tech/go-ethereum/core/types"
+	geth_types "github.com/scroll-tech/go-ethereum/core/types"
 	"github.com/scroll-tech/go-ethereum/ethclient"
 	"github.com/scroll-tech/go-ethereum/rpc"
 	"github.com/stretchr/testify/assert"
 
-	"scroll-tech/bridge/config"
+	"scroll-tech/common/types"
+
 	"scroll-tech/bridge/mock_bridge"
 	"scroll-tech/bridge/sender"
 
 	"scroll-tech/database"
 	"scroll-tech/database/migrate"
-	"scroll-tech/database/orm"
 )
 
 func testCreateNewWatcherAndStop(t *testing.T) {
@@ -32,7 +32,7 @@ func testCreateNewWatcherAndStop(t *testing.T) {
 	defer l2db.Close()
 
 	l2cfg := cfg.L2Config
-	rc := NewL2WatcherClient(context.Background(), l2Cli, l2cfg.Confirmations, l2cfg.BatchProposerConfig, l2cfg.L2MessengerAddress, l2db)
+	rc := NewL2WatcherClient(context.Background(), l2Cli, l2cfg.Confirmations, l2cfg.L2MessengerAddress, l2cfg.L2MessageQueueAddress, l2db)
 	rc.Start()
 	defer rc.Stop()
 
@@ -45,7 +45,7 @@ func testCreateNewWatcherAndStop(t *testing.T) {
 	numTransactions := 3
 	toAddress := common.HexToAddress("0x4592d8f8d7b001e72cb26a73e4fa1806a51ac79d")
 	for i := 0; i < numTransactions; i++ {
-		_, err = newSender.SendTransaction(strconv.Itoa(1000+i), &toAddress, big.NewInt(1000000000), nil)
+		_, err = newSender.SendTransaction(strconv.Itoa(1000+i), &toAddress, big.NewInt(1000000000), nil, 0)
 		assert.NoError(t, err)
 		<-newSender.ConfirmChan()
 	}
@@ -62,6 +62,11 @@ func testMonitorBridgeContract(t *testing.T) {
 	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)
 
@@ -73,7 +78,7 @@ func testMonitorBridgeContract(t *testing.T) {
 	address, err := bind.WaitDeployed(context.Background(), l2Cli, tx)
 	assert.NoError(t, err)
 
-	rc := prepareRelayerClient(l2Cli, cfg.L2Config.BatchProposerConfig, db, address)
+	rc := prepareWatcherClient(l2Cli, db, address)
 	rc.Start()
 	defer rc.Stop()
 
@@ -86,7 +91,7 @@ func testMonitorBridgeContract(t *testing.T) {
 	tx, err = instance.SendMessage(auth, toAddress, fee, message, gasLimit)
 	assert.NoError(t, err)
 	receipt, err := bind.WaitMined(context.Background(), l2Cli, tx)
-	if receipt.Status != types.ReceiptStatusSuccessful || err != nil {
+	if receipt.Status != geth_types.ReceiptStatusSuccessful || err != nil {
 		t.Fatalf("Call failed")
 	}
 
@@ -96,7 +101,7 @@ func testMonitorBridgeContract(t *testing.T) {
 	tx, err = instance.SendMessage(auth, toAddress, fee, message, gasLimit)
 	assert.NoError(t, err)
 	receipt, err = bind.WaitMined(context.Background(), l2Cli, tx)
-	if receipt.Status != types.ReceiptStatusSuccessful || err != nil {
+	if receipt.Status != geth_types.ReceiptStatusSuccessful || err != nil {
 		t.Fatalf("Call failed")
 	}
 
@@ -113,7 +118,7 @@ func testMonitorBridgeContract(t *testing.T) {
 	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": orm.MsgPending})
+	msgs, err := db.GetL2Messages(map[string]interface{}{"status": types.MsgPending})
 	assert.NoError(t, err)
 	assert.Equal(t, 2, len(msgs))
 }
@@ -135,13 +140,13 @@ func testFetchMultipleSentMessageInOneBlock(t *testing.T) {
 	address, err := bind.WaitDeployed(context.Background(), l2Cli, trx)
 	assert.NoError(t, err)
 
-	rc := prepareRelayerClient(l2Cli, cfg.L2Config.BatchProposerConfig, db, address)
+	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 *types.Transaction
+	var tx *geth_types.Transaction
 
 	for i := 0; i < numTransactions; i++ {
 		addr := common.HexToAddress("0x1c5a77d9fa7ef466951b2f01f724bca3a5820b63")
@@ -157,7 +162,7 @@ func testFetchMultipleSentMessageInOneBlock(t *testing.T) {
 	}
 
 	receipt, err := bind.WaitMined(context.Background(), l2Cli, tx)
-	if receipt.Status != types.ReceiptStatusSuccessful || err != nil {
+	if receipt.Status != geth_types.ReceiptStatusSuccessful || err != nil {
 		t.Fatalf("Call failed")
 	}
 
@@ -173,7 +178,7 @@ func testFetchMultipleSentMessageInOneBlock(t *testing.T) {
 	tx, err = instance.SendMessage(auth, toAddress, fee, message, gasLimit)
 	assert.NoError(t, err)
 	receipt, err = bind.WaitMined(context.Background(), l2Cli, tx)
-	if receipt.Status != types.ReceiptStatusSuccessful || err != nil {
+	if receipt.Status != geth_types.ReceiptStatusSuccessful || err != nil {
 		t.Fatalf("Call failed")
 	}
 
@@ -185,14 +190,14 @@ func testFetchMultipleSentMessageInOneBlock(t *testing.T) {
 	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": orm.MsgPending})
+	msgs, err := db.GetL2Messages(map[string]interface{}{"status": types.MsgPending})
 	assert.NoError(t, err)
 	assert.Equal(t, 5, len(msgs))
 }
 
-func prepareRelayerClient(l2Cli *ethclient.Client, bpCfg *config.BatchProposerConfig, db database.OrmFactory, contractAddr common.Address) *WatcherClient {
+func prepareWatcherClient(l2Cli *ethclient.Client, db database.OrmFactory, contractAddr common.Address) *WatcherClient {
 	confirmations := rpc.LatestBlockNumber
-	return NewL2WatcherClient(context.Background(), l2Cli, confirmations, bpCfg, contractAddr, db)
+	return NewL2WatcherClient(context.Background(), l2Cli, confirmations, contractAddr, contractAddr, db)
 }
 
 func prepareAuth(t *testing.T, l2Cli *ethclient.Client, privateKey *ecdsa.PrivateKey) *bind.TransactOpts {

bridge/mock_bridge/MockBridgeL1.sol

@@ -2,98 +2,120 @@
 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,
-    address sender,
     uint256 value,
-    uint256 fee,
-    uint256 deadline,
-    bytes message,
     uint256 messageNonce,
-    uint256 gasLimit
+    uint256 gasLimit,
+    bytes message
   );
 
-  event MessageDropped(bytes32 indexed msgHash);
+  /// @notice Emitted when a cross domain message is relayed successfully.
+  /// @param messageHash The hash of the message.
+  event RelayedMessage(bytes32 indexed messageHash);
 
-  event RelayedMessage(bytes32 indexed msgHash);
+  /// @dev The maximum number of transaction in on batch.
+  uint256 public immutable maxNumTxInBatch;
 
-  event FailedRelayedMessage(bytes32 indexed msgHash);
+  /// @dev The hash used for padding public inputs.
+  bytes32 public immutable paddingTxHash;
 
-  /************************
-   * Events from ZKRollup *
-   ************************/
+  /***************************
+   * Events from ScrollChain *
+   ***************************/
 
   /// @notice Emitted when a new batch is commited.
-  /// @param _batchHash The hash of the batch
-  /// @param _batchIndex The index of the batch
-  /// @param _parentHash The hash of parent batch
-  event CommitBatch(bytes32 indexed _batchId, bytes32 _batchHash, uint256 _batchIndex, bytes32 _parentHash);
+  /// @param batchHash The hash of the batch
+  event CommitBatch(bytes32 indexed batchHash);
 
   /// @notice Emitted when a batch is reverted.
-  /// @param _batchId The identification of the batch.
-  event RevertBatch(bytes32 indexed _batchId);
+  /// @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
-  /// @param _batchIndex The index of the batch
-  /// @param _parentHash The hash of parent batch
-  event FinalizeBatch(bytes32 indexed _batchId, bytes32 _batchHash, uint256 _batchIndex, bytes32 _parentHash);
+  /// @param batchHash The hash of the batch
+  event FinalizeBatch(bytes32 indexed batchHash);
 
   /***********
    * Structs *
    ***********/
 
-  struct L2MessageProof {
-    uint256 batchIndex;
-    uint256 blockHeight;
-    bytes merkleProof;
-  }
-
-  /// @dev The transanction struct
-  struct Layer2Transaction {
-    address caller;
-    uint64 nonce;
-    address target;
-    uint64 gas;
-    uint256 gasPrice;
-    uint256 value;
-    bytes data;
-    // signature
-    uint256 r;
-    uint256 s;
-    uint64 v;
-  }
-
-  /// @dev The block header struct
-  struct Layer2BlockHeader {
+  struct BlockContext {
+    // The hash of this block.
     bytes32 blockHash;
+    // The parent hash of this block.
     bytes32 parentHash;
-    uint256 baseFee;
-    bytes32 stateRoot;
-    uint64 blockHeight;
-    uint64 gasUsed;
+    // The height of this block.
+    uint64 blockNumber;
+    // The timestamp of this block.
     uint64 timestamp;
-    bytes extraData;
-    Layer2Transaction[] txs;
+    // 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;
   }
 
-  /// @dev The batch struct, the batch hash is always the last block hash of `blocks`.
-  struct Layer2Batch {
+  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 hash of the last block in the parent batch
-    bytes32 parentHash;
-    Layer2BlockHeader[] blocks;
+    // The parent batch hash.
+    bytes32 parentBatchHash;
+    // Concatenated raw data of RLP encoded L2 txs
+    bytes l2Transactions;
   }
 
-  struct Layer2BatchStored {
+  struct L2MessageProof {
+    // The hash of the batch where the message belongs to.
     bytes32 batchHash;
-    bytes32 parentHash;
-    uint64 batchIndex;
-    bool verified;
+    // Concatenation of merkle proof for withdraw merkle trie.
+    bytes merkleProof;
   }
 
   /*************
@@ -103,27 +125,39 @@ contract MockBridgeL1 {
   /// @notice Message nonce, used to avoid relay attack.
   uint256 public messageNonce;
 
-  /// @notice Mapping from batch id to batch struct.
-  mapping(bytes32 => Layer2BatchStored) public batches;
+  /***************
+   * Constructor *
+   ***************/
+
+  constructor() {
+    maxNumTxInBatch = 44;
+    paddingTxHash = 0x0000000000000000000000000000000000000000000000000000000000000000;
+  }
+
+  /***********************************
+   * Functions from L2GasPriceOracle *
+   ***********************************/
+
+  function setL2BaseFee(uint256) external {
+  }
 
   /************************************
    * Functions from L1ScrollMessenger *
    ************************************/
 
   function sendMessage(
-    address _to,
-    uint256 _fee,
-    bytes memory _message,
-    uint256 _gasLimit
+    address target,
+    uint256 value,
+    bytes calldata message,
+    uint256 gasLimit
   ) external payable {
-    // solhint-disable-next-line not-rely-on-time
-    uint256 _deadline = block.timestamp + 1 days;
-    uint256 _value;
-    unchecked {
-      _value = msg.value - _fee;
+    bytes memory _xDomainCalldata = _encodeXDomainCalldata(msg.sender, target, value, messageNonce, message);
+    {
+      address _sender = applyL1ToL2Alias(address(this));
+      emit QueueTransaction(_sender, target, 0, messageNonce, gasLimit, _xDomainCalldata);
     }
-    uint256 _nonce = messageNonce;
-    emit SentMessage(_to, msg.sender, _value, _fee, _deadline, _message, _nonce, _gasLimit);
+
+    emit SentMessage(msg.sender, target, value, messageNonce, gasLimit, message);
     messageNonce += 1;
   }
 
@@ -131,57 +165,216 @@ contract MockBridgeL1 {
     address _from,
     address _to,
     uint256 _value,
-    uint256 _fee,
-    uint256 _deadline,
     uint256 _nonce,
     bytes memory _message,
     L2MessageProof memory
   ) external {
-    bytes32 _msghash = keccak256(abi.encodePacked(_from, _to, _value, _fee, _deadline, _nonce, _message));
-    emit RelayedMessage(_msghash);
+    bytes memory _xDomainCalldata = _encodeXDomainCalldata(_from, _to, _value, _nonce, _message);
+    bytes32 _xDomainCalldataHash = keccak256(_xDomainCalldata);
+    emit RelayedMessage(_xDomainCalldataHash);
   }
 
-  /***************************
-   * Functions from ZKRollup *
-   ***************************/
+  /******************************
+   * Functions from ScrollChain *
+   ******************************/
 
-  function commitBatch(Layer2Batch memory _batch) external {
-    bytes32 _batchHash = _batch.blocks[_batch.blocks.length - 1].blockHash;
-    bytes32 _batchId = _computeBatchId(_batchHash, _batch.parentHash, _batch.batchIndex);
-
-    Layer2BatchStored storage _batchStored = batches[_batchId];
-    _batchStored.batchHash = _batchHash;
-    _batchStored.parentHash = _batch.parentHash;
-    _batchStored.batchIndex = _batch.batchIndex;
-
-    emit CommitBatch(_batchId, _batchHash, _batch.batchIndex, _batch.parentHash);
+  function commitBatch(Batch memory _batch) external {
+    _commitBatch(_batch);
   }
-  
-  function revertBatch(bytes32 _batchId) external {
-    emit RevertBatch(_batchId);
+
+  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 _batchId,
+    bytes32 _batchHash,
     uint256[] memory,
     uint256[] memory
   ) external {
-    Layer2BatchStored storage _batch = batches[_batchId];
-    uint256 _batchIndex = _batch.batchIndex;
-
-    emit FinalizeBatch(_batchId, _batch.batchHash, _batchIndex, _batch.parentHash);
+    emit FinalizeBatch(_batchHash);
   }
 
-  /// @dev Internal function to compute a unique batch id for mapping.
-  /// @param _batchHash The hash of the batch.
-  /// @param _parentHash The hash of the batch.
-  /// @param _batchIndex The index of the batch.
-  /// @return Return the computed batch id.
-  function _computeBatchId(
-    bytes32 _batchHash,
-    bytes32 _parentHash,
-    uint256 _batchIndex
-  ) internal pure returns (bytes32) {
-    return keccak256(abi.encode(_batchHash, _parentHash, _batchIndex));
+  /**********************
+   * 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

@@ -2,26 +2,56 @@
 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,
-    address sender,
     uint256 value,
-    uint256 fee,
-    uint256 deadline,
-    bytes message,
     uint256 messageNonce,
-    uint256 gasLimit
+    uint256 gasLimit,
+    bytes message
   );
 
-  event MessageDropped(bytes32 indexed msgHash);
-  
-  event RelayedMessage(bytes32 indexed msgHash);
-  
-  event FailedRelayedMessage(bytes32 indexed msgHash);
+  /// @notice Emitted when a cross domain message is relayed successfully.
+  /// @param messageHash The hash of the message.
+  event RelayedMessage(bytes32 indexed messageHash);
 
   /*************
    * Variables *
@@ -30,38 +60,70 @@ contract MockBridgeL2 {
   /// @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 _fee,
+    uint256 _value,
     bytes memory _message,
     uint256 _gasLimit
   ) external payable {
-    // solhint-disable-next-line not-rely-on-time
-    uint256 _deadline = block.timestamp + 1 days;
-    uint256 _nonce = messageNonce;
-    uint256 _value;
-    unchecked {
-      _value = msg.value - _fee;
-    }
-    bytes32 _msghash = keccak256(abi.encodePacked(msg.sender, _to, _value, _fee, _deadline, _nonce, _message));
-    emit SentMessage(_to, msg.sender, _value, _fee, _deadline, _message, _nonce, _gasLimit);
-    messageNonce = _nonce + 1;
+    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 relayMessageWithProof(
+  function relayMessage(
     address _from,
     address _to,
     uint256 _value,
-    uint256 _fee,
-    uint256 _deadline,
     uint256 _nonce,
-    bytes memory _message
+    bytes calldata _message
   ) external {
-    bytes32 _msghash = keccak256(abi.encodePacked(_from, _to, _value, _fee, _deadline, _nonce, _message));
-    emit RelayedMessage(_msghash);
+    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/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/estimategas.go

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

bridge/sender/sender.go

@@ -12,10 +12,8 @@ import (
 	"sync/atomic"
 	"time"
 
-	geth "github.com/scroll-tech/go-ethereum"
 	"github.com/scroll-tech/go-ethereum/accounts/abi/bind"
 	"github.com/scroll-tech/go-ethereum/common"
-	"github.com/scroll-tech/go-ethereum/common/math"
 	"github.com/scroll-tech/go-ethereum/core/types"
 	"github.com/scroll-tech/go-ethereum/ethclient"
 	"github.com/scroll-tech/go-ethereum/log"
@@ -41,16 +39,6 @@ var (
 	ErrNoAvailableAccount = errors.New("sender has no available account to send transaction")
 )
 
-// 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,
-}
-
 // Confirmation struct used to indicate transaction confirmation details
 type Confirmation struct {
 	ID           string
@@ -97,9 +85,6 @@ type Sender struct {
 // NewSender returns a new instance of transaction sender
 // txConfirmationCh is used to notify confirmed transaction
 func NewSender(ctx context.Context, config *config.SenderConfig, privs []*ecdsa.PrivateKey) (*Sender, error) {
-	if config == nil {
-		config = &DefaultSenderConfig
-	}
 	client, err := ethclient.Dial(config.Endpoint)
 	if err != nil {
 		return nil, err
@@ -165,42 +150,15 @@ func (s *Sender) NumberOfAccounts() int {
 	return len(s.auths.accounts)
 }
 
-func (s *Sender) getFeeData(auth *bind.TransactOpts, target *common.Address, value *big.Int, data []byte) (*FeeData, error) {
-	// estimate gas limit
-	gasLimit, err := s.client.EstimateGas(s.ctx, geth.CallMsg{From: auth.From, To: target, Value: value, Data: data})
-	if err != nil {
-		return nil, err
+func (s *Sender) getFeeData(auth *bind.TransactOpts, target *common.Address, value *big.Int, data []byte, minGasLimit uint64) (*FeeData, error) {
+	if s.config.TxType == DynamicFeeTxType {
+		return s.estimateDynamicGas(auth, target, value, data, minGasLimit)
 	}
-	gasLimit = gasLimit * 15 / 10 // 50% extra gas to void out of gas error
-	// @todo change it when Scroll enable EIP1559
-	if s.config.TxType != DynamicFeeTxType {
-		// estimate gas price
-		var gasPrice *big.Int
-		gasPrice, err = s.client.SuggestGasPrice(s.ctx)
-		if err != nil {
-			return nil, err
-		}
-		return &FeeData{
-			gasPrice: gasPrice,
-			gasLimit: gasLimit,
-		}, nil
-	}
-	gasTipCap, err := s.client.SuggestGasTipCap(s.ctx)
-	if err != nil {
-		return nil, err
-	}
-	// Make sure feeCap is bigger than txpool's gas price. 1000000000 is l2geth's default pool.gas value.
-	baseFee := atomic.LoadUint64(&s.baseFeePerGas)
-	maxFeePerGas := math.BigMax(big.NewInt(int64(baseFee)), big.NewInt(1000000000))
-	return &FeeData{
-		gasFeeCap: math.BigMax(maxFeePerGas, gasTipCap),
-		gasTipCap: math.BigMin(maxFeePerGas, gasTipCap),
-		gasLimit:  gasLimit,
-	}, nil
+	return s.estimateLegacyGas(auth, target, value, data, minGasLimit)
 }
 
 // SendTransaction send a signed L2tL1 transaction.
-func (s *Sender) SendTransaction(ID string, target *common.Address, value *big.Int, data []byte) (hash common.Hash, err error) {
+func (s *Sender) SendTransaction(ID string, target *common.Address, value *big.Int, data []byte, minGasLimit uint64) (hash common.Hash, err error) {
 	// 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)
@@ -224,7 +182,7 @@ func (s *Sender) SendTransaction(ID string, target *common.Address, value *big.I
 		tx      *types.Transaction
 	)
 	// estimate gas fee
-	if feeData, err = s.getFeeData(auth, target, value, data); err != nil {
+	if feeData, err = s.getFeeData(auth, target, value, data, minGasLimit); err != nil {
 		return
 	}
 	if tx, err = s.createAndSendTx(auth, feeData, target, value, data, nil); err == nil {
@@ -449,7 +407,7 @@ func (s *Sender) loop(ctx context.Context) {
 	checkTick := time.NewTicker(time.Duration(s.config.CheckPendingTime) * time.Second)
 	defer checkTick.Stop()
 
-	checkBalanceTicker := time.NewTicker(time.Minute * 10)
+	checkBalanceTicker := time.NewTicker(time.Duration(s.config.CheckBalanceTime) * time.Second)
 	defer checkBalanceTicker.Stop()
 
 	for {

bridge/sender/sender_test.go

@@ -14,6 +14,7 @@ import (
 	cmap "github.com/orcaman/concurrent-map"
 	"github.com/scroll-tech/go-ethereum/common"
 	"github.com/scroll-tech/go-ethereum/crypto"
+	"github.com/scroll-tech/go-ethereum/ethclient"
 	"github.com/scroll-tech/go-ethereum/rpc"
 	"github.com/stretchr/testify/assert"
 
@@ -28,35 +29,64 @@ const TXBatch = 50
 var (
 	privateKeys []*ecdsa.PrivateKey
 	cfg         *config.Config
-	l2gethImg   docker.ImgInstance
+	base        *docker.App
 )
 
+func TestMain(m *testing.M) {
+	base = docker.NewDockerApp()
+
+	m.Run()
+
+	base.Free()
+}
+
 func setupEnv(t *testing.T) {
 	var err error
 	cfg, err = config.NewConfig("../config.json")
 	assert.NoError(t, err)
-
+	base.RunImages(t)
 	priv, err := crypto.HexToECDSA("1212121212121212121212121212121212121212121212121212121212121212")
 	assert.NoError(t, err)
 	// Load default private key.
 	privateKeys = []*ecdsa.PrivateKey{priv}
 
-	l2gethImg = docker.NewTestL2Docker(t)
-	cfg.L1Config.RelayerConfig.SenderConfig.Endpoint = l2gethImg.Endpoint()
+	cfg.L1Config.RelayerConfig.SenderConfig.Endpoint = base.L2GethEndpoint()
 }
 
 func TestSender(t *testing.T) {
 	// Setup
 	setupEnv(t)
 
+	t.Run("test min gas limit", func(t *testing.T) { testMinGasLimit(t) })
+
 	t.Run("test 1 account sender", func(t *testing.T) { testBatchSender(t, 1) })
 	t.Run("test 3 account sender", func(t *testing.T) { testBatchSender(t, 3) })
 	t.Run("test 8 account sender", func(t *testing.T) { testBatchSender(t, 8) })
+}
 
-	// Teardown
-	t.Cleanup(func() {
-		assert.NoError(t, l2gethImg.Stop())
-	})
+func testMinGasLimit(t *testing.T) {
+	senderCfg := cfg.L1Config.RelayerConfig.SenderConfig
+	senderCfg.Confirmations = rpc.LatestBlockNumber
+	newSender, err := sender.NewSender(context.Background(), senderCfg, privateKeys)
+	assert.NoError(t, err)
+	defer newSender.Stop()
+
+	client, err := ethclient.Dial(senderCfg.Endpoint)
+	assert.NoError(t, err)
+
+	// MinGasLimit = 0
+	txHash0, err := newSender.SendTransaction("0", &common.Address{}, big.NewInt(1), nil, 0)
+	assert.NoError(t, err)
+	tx0, _, err := client.TransactionByHash(context.Background(), txHash0)
+	assert.NoError(t, err)
+	assert.Greater(t, tx0.Gas(), uint64(0))
+
+	// MinGasLimit = 100000
+	txHash1, err := newSender.SendTransaction("1", &common.Address{}, big.NewInt(1), nil, 100000)
+	assert.NoError(t, err)
+	tx1, _, err := client.TransactionByHash(context.Background(), txHash1)
+	assert.NoError(t, err)
+	assert.Equal(t, tx1.Gas(), uint64(150000))
 }
 
 func testBatchSender(t *testing.T, batchSize int) {
@@ -88,7 +118,7 @@ func testBatchSender(t *testing.T, batchSize int) {
 			for i := 0; i < TXBatch; i++ {
 				toAddr := common.HexToAddress("0x4592d8f8d7b001e72cb26a73e4fa1806a51ac79d")
 				id := strconv.Itoa(i + index*1000)
-				_, err := newSender.SendTransaction(id, &toAddr, big.NewInt(1), nil)
+				_, err := newSender.SendTransaction(id, &toAddr, big.NewInt(1), nil, 0)
 				if errors.Is(err, sender.ErrNoAvailableAccount) {
 					<-time.After(time.Second)
 					continue

bridge/tests/bridge_test.go

@@ -26,11 +26,7 @@ var (
 
 	// private key
 	privateKey *ecdsa.PrivateKey
-
-	// docker consider handler.
-	l1gethImg docker.ImgInstance
-	l2gethImg docker.ImgInstance
-	dbImg     docker.ImgInstance
+	base       *docker.App
 
 	// clients
 	l1Client *ethclient.Client
@@ -45,14 +41,22 @@ var (
 	l1MessengerAddress  common.Address
 
 	// l1 rollup contract
-	l1RollupInstance *mock_bridge.MockBridgeL1
-	l1RollupAddress  common.Address
+	scrollChainInstance *mock_bridge.MockBridgeL1
+	scrollChainAddress  common.Address
 
 	// l2 messenger contract
 	l2MessengerInstance *mock_bridge.MockBridgeL2
 	l2MessengerAddress  common.Address
 )
 
+func TestMain(m *testing.M) {
+	base = docker.NewDockerApp()
+
+	m.Run()
+
+	base.Free()
+}
+
 func setupEnv(t *testing.T) {
 	var err error
 	privateKey, err = crypto.ToECDSA(common.FromHex("1212121212121212121212121212121212121212121212121212121212121212"))
@@ -61,6 +65,8 @@ func setupEnv(t *testing.T) {
 	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")
@@ -68,23 +74,23 @@ func setupEnv(t *testing.T) {
 	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}
+	base.RunImages(t)
 
 	// Create l1geth container.
-	l1gethImg = docker.NewTestL1Docker(t)
-	cfg.L2Config.RelayerConfig.SenderConfig.Endpoint = l1gethImg.Endpoint()
-	cfg.L1Config.Endpoint = l1gethImg.Endpoint()
+	cfg.L2Config.RelayerConfig.SenderConfig.Endpoint = base.L1GethEndpoint()
+	cfg.L1Config.Endpoint = base.L1GethEndpoint()
 
 	// Create l2geth container.
-	l2gethImg = docker.NewTestL2Docker(t)
-	cfg.L1Config.RelayerConfig.SenderConfig.Endpoint = l2gethImg.Endpoint()
-	cfg.L2Config.Endpoint = l2gethImg.Endpoint()
+	cfg.L1Config.RelayerConfig.SenderConfig.Endpoint = base.L2GethEndpoint()
+	cfg.L2Config.Endpoint = base.L2GethEndpoint()
 
 	// Create db container.
-	dbImg = docker.NewTestDBDocker(t, cfg.DBConfig.DriverName)
-	cfg.DBConfig.DSN = dbImg.Endpoint()
+	cfg.DBConfig.DSN = base.DBEndpoint()
 
 	// Create l1geth and l2geth client.
 	l1Client, err = ethclient.Dial(cfg.L1Config.Endpoint)
@@ -99,8 +105,10 @@ func setupEnv(t *testing.T) {
 	// 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) {
@@ -138,18 +146,6 @@ func transferEther(t *testing.T, auth *bind.TransactOpts, client *ethclient.Clie
 	}
 }
 
-func free(t *testing.T) {
-	if dbImg != nil {
-		assert.NoError(t, dbImg.Stop())
-	}
-	if l1gethImg != nil {
-		assert.NoError(t, l1gethImg.Stop())
-	}
-	if l2gethImg != nil {
-		assert.NoError(t, l2gethImg.Stop())
-	}
-}
-
 func prepareContracts(t *testing.T) {
 	var err error
 	var tx *types.Transaction
@@ -160,10 +156,10 @@ func prepareContracts(t *testing.T) {
 	l1MessengerAddress, err = bind.WaitDeployed(context.Background(), l1Client, tx)
 	assert.NoError(t, err)
 
-	// L1 rollup contract
-	_, tx, l1RollupInstance, err = mock_bridge.DeployMockBridgeL1(l1Auth, l1Client)
+	// L1 ScrolChain contract
+	_, tx, scrollChainInstance, err = mock_bridge.DeployMockBridgeL1(l1Auth, l1Client)
 	assert.NoError(t, err)
-	l1RollupAddress, err = bind.WaitDeployed(context.Background(), l1Client, tx)
+	scrollChainAddress, err = bind.WaitDeployed(context.Background(), l1Client, tx)
 	assert.NoError(t, err)
 
 	// L2 messenger contract
@@ -173,12 +169,16 @@ func prepareContracts(t *testing.T) {
 	assert.NoError(t, err)
 
 	cfg.L1Config.L1MessengerAddress = l1MessengerAddress
-	cfg.L1Config.RollupContractAddress = l1RollupAddress
+	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 = l1RollupAddress
+	cfg.L2Config.RelayerConfig.RollupContractAddress = scrollChainAddress
+	cfg.L2Config.RelayerConfig.GasPriceOracleContractAddress = l2MessengerAddress
 }
 
 func prepareAuth(t *testing.T, client *ethclient.Client, privateKey *ecdsa.PrivateKey) *bind.TransactOpts {
@@ -197,10 +197,14 @@ func TestFunction(t *testing.T) {
 	// l1 rollup and watch rollup events
 	t.Run("TestCommitBatchAndFinalizeBatch", testCommitBatchAndFinalizeBatch)
 
-	// l2 message
-	t.Run("testRelayL2MessageSucceed", testRelayL2MessageSucceed)
+	// 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 +1,128 @@
+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{},
+		},
+	}
+	assert.NoError(t, db.InsertL2BlockTraces(traces))
+
+	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

@@ -7,16 +7,17 @@ import (
 
 	"github.com/scroll-tech/go-ethereum/accounts/abi/bind"
 	"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/rpc"
 	"github.com/stretchr/testify/assert"
 
-	"scroll-tech/database"
-	"scroll-tech/database/migrate"
-	"scroll-tech/database/orm"
+	"scroll-tech/common/types"
 
 	"scroll-tech/bridge/l1"
 	"scroll-tech/bridge/l2"
+
+	"scroll-tech/database"
+	"scroll-tech/database/migrate"
 )
 
 func testRelayL2MessageSucceed(t *testing.T) {
@@ -28,19 +29,19 @@ func testRelayL2MessageSucceed(t *testing.T) {
 
 	prepareContracts(t)
 
-	// Create L2Relayer
 	l2Cfg := cfg.L2Config
-	l2Relayer, err := l2.NewLayer2Relayer(context.Background(), db, l2Cfg.RelayerConfig)
-	assert.NoError(t, err)
-	defer l2Relayer.Stop()
 
 	// Create L2Watcher
 	confirmations := rpc.LatestBlockNumber
-	l2Watcher := l2.NewL2WatcherClient(context.Background(), l2Client, confirmations, l2Cfg.BatchProposerConfig, l2Cfg.L2MessengerAddress, db)
+	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.RollupContractAddress, db)
+	l1Watcher := l1.NewWatcher(context.Background(), l1Client, 0, confirmations, l1Cfg.L1MessengerAddress, l1Cfg.L1MessageQueueAddress, l1Cfg.ScrollChainContractAddress, db)
 
 	// send message through l2 messenger contract
 	nonce, err := l2MessengerInstance.MessageNonce(&bind.CallOpts{})
@@ -49,7 +50,7 @@ func testRelayL2MessageSucceed(t *testing.T) {
 	assert.NoError(t, err)
 	sendReceipt, err := bind.WaitMined(context.Background(), l2Client, sendTx)
 	assert.NoError(t, err)
-	if sendReceipt.Status != types.ReceiptStatusSuccessful || err != nil {
+	if sendReceipt.Status != geth_types.ReceiptStatusSuccessful || err != nil {
 		t.Fatalf("Call failed")
 	}
 
@@ -59,62 +60,59 @@ func testRelayL2MessageSucceed(t *testing.T) {
 	// check db status
 	msg, err := db.GetL2MessageByNonce(nonce.Uint64())
 	assert.NoError(t, err)
-	assert.Equal(t, msg.Status, orm.MsgPending)
+	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 := []*types.BlockTrace{
+	traces := []*geth_types.BlockTrace{
 		{
-			Header: &types.Header{
+			Header: &geth_types.Header{
 				Number:     sendReceipt.BlockNumber,
 				ParentHash: common.Hash{},
 				Difficulty: big.NewInt(0),
 				BaseFee:    big.NewInt(0),
 			},
-			StorageTrace: &types.StorageTrace{},
+			StorageTrace: &geth_types.StorageTrace{},
 		},
 	}
-	err = db.InsertBlockTraces(traces)
-	assert.NoError(t, err)
+	assert.NoError(t, db.InsertL2BlockTraces(traces))
+
+	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)
-	batchID, err := db.NewBatchInDBTx(dbTx,
-		&orm.BlockInfo{
-			Number:     traces[0].Header.Number.Uint64(),
-			Hash:       traces[0].Header.Hash().String(),
-			ParentHash: traces[0].Header.ParentHash.String(),
-		},
-		&orm.BlockInfo{
-			Number:     traces[0].Header.Number.Uint64(),
-			Hash:       traces[0].Header.Hash().String(),
-			ParentHash: traces[0].Header.ParentHash.String(),
-		},
-		traces[0].Header.ParentHash.String(), 1, 194676)
-	assert.NoError(t, err)
-	err = db.SetBatchIDForBlocksInDBTx(dbTx, []uint64{
-		traces[0].Header.Number.Uint64(),
-		traces[0].Header.Number.Uint64()}, batchID)
-	assert.NoError(t, err)
-	err = dbTx.Commit()
+	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.UpdateProofByID(context.Background(), batchID, tProof, tInstanceCommitments, 100)
+	err = db.UpdateProofByHash(context.Background(), batchHash, tProof, tInstanceCommitments, 100)
 	assert.NoError(t, err)
-	err = db.UpdateProvingStatus(batchID, orm.ProvingTaskVerified)
+	err = db.UpdateProvingStatus(batchHash, types.ProvingTaskVerified)
 	assert.NoError(t, err)
 
 	// process pending batch and check status
-	l2Relayer.ProcessPendingBatches()
-	status, err := db.GetRollupStatus(batchID)
+	l2Relayer.SendCommitTx([]*types.BatchData{batchData})
+	status, err := db.GetRollupStatus(batchHash)
 	assert.NoError(t, err)
-	assert.Equal(t, orm.RollupCommitting, status)
-	commitTxHash, err := db.GetCommitTxHash(batchID)
+	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))
@@ -126,16 +124,16 @@ func testRelayL2MessageSucceed(t *testing.T) {
 	// fetch CommitBatch rollup events
 	err = l1Watcher.FetchContractEvent(commitTxReceipt.BlockNumber.Uint64())
 	assert.NoError(t, err)
-	status, err = db.GetRollupStatus(batchID)
+	status, err = db.GetRollupStatus(batchHash)
 	assert.NoError(t, err)
-	assert.Equal(t, orm.RollupCommitted, status)
+	assert.Equal(t, types.RollupCommitted, status)
 
 	// process committed batch and check status
 	l2Relayer.ProcessCommittedBatches()
-	status, err = db.GetRollupStatus(batchID)
+	status, err = db.GetRollupStatus(batchHash)
 	assert.NoError(t, err)
-	assert.Equal(t, orm.RollupFinalizing, status)
-	finalizeTxHash, err := db.GetFinalizeTxHash(batchID)
+	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))
@@ -147,15 +145,15 @@ func testRelayL2MessageSucceed(t *testing.T) {
 	// fetch FinalizeBatch events
 	err = l1Watcher.FetchContractEvent(finalizeTxReceipt.BlockNumber.Uint64())
 	assert.NoError(t, err)
-	status, err = db.GetRollupStatus(batchID)
+	status, err = db.GetRollupStatus(batchHash)
 	assert.NoError(t, err)
-	assert.Equal(t, orm.RollupFinalized, status)
+	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, orm.MsgSubmitted)
+	assert.Equal(t, msg.Status, types.MsgSubmitted)
 	relayTxHash, err := db.GetRelayL2MessageTxHash(nonce.Uint64())
 	assert.NoError(t, err)
 	assert.Equal(t, true, relayTxHash.Valid)
@@ -170,5 +168,5 @@ func testRelayL2MessageSucceed(t *testing.T) {
 	assert.NoError(t, err)
 	msg, err = db.GetL2MessageByNonce(nonce.Uint64())
 	assert.NoError(t, err)
-	assert.Equal(t, msg.Status, orm.MsgConfirmed)
+	assert.Equal(t, msg.Status, types.MsgConfirmed)
 }

bridge/tests/rollup_test.go

@@ -3,18 +3,20 @@ package tests
 import (
 	"context"
 	"math/big"
-	"scroll-tech/database"
-	"scroll-tech/database/migrate"
-	"scroll-tech/database/orm"
 	"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"
 
-	"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/stretchr/testify/assert"
+	"scroll-tech/database"
+	"scroll-tech/database/migrate"
 )
 
 func testCommitBatchAndFinalizeBatch(t *testing.T) {
@@ -28,63 +30,62 @@ func testCommitBatchAndFinalizeBatch(t *testing.T) {
 
 	// Create L2Relayer
 	l2Cfg := cfg.L2Config
-	l2Relayer, err := l2.NewLayer2Relayer(context.Background(), db, l2Cfg.RelayerConfig)
+	l2Relayer, err := l2.NewLayer2Relayer(context.Background(), l2Client, db, l2Cfg.RelayerConfig)
 	assert.NoError(t, err)
 	defer l2Relayer.Stop()
 
 	// Create L1Watcher
 	l1Cfg := cfg.L1Config
-	l1Watcher := l1.NewWatcher(context.Background(), l1Client, 0, l1Cfg.Confirmations, l1Cfg.L1MessengerAddress, l1Cfg.RollupContractAddress, db)
+	l1Watcher := l1.NewWatcher(context.Background(), l1Client, 0, l1Cfg.Confirmations, l1Cfg.L1MessengerAddress, l1Cfg.L1MessageQueueAddress, l1Cfg.ScrollChainContractAddress, db)
 
 	// add some blocks to db
-	var traces []*types.BlockTrace
+	var traces []*geth_types.BlockTrace
 	var parentHash common.Hash
 	for i := 1; i <= 10; i++ {
-		header := types.Header{
+		header := geth_types.Header{
 			Number:     big.NewInt(int64(i)),
 			ParentHash: parentHash,
 			Difficulty: big.NewInt(0),
 			BaseFee:    big.NewInt(0),
 		}
-		traces = append(traces, &types.BlockTrace{
+		traces = append(traces, &geth_types.BlockTrace{
 			Header:       &header,
-			StorageTrace: &types.StorageTrace{},
+			StorageTrace: &geth_types.StorageTrace{},
 		})
 		parentHash = header.Hash()
 	}
-	err = db.InsertBlockTraces(traces)
-	assert.NoError(t, err)
+	assert.NoError(t, db.InsertL2BlockTraces(traces))
+
+	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)
-	batchID, err := db.NewBatchInDBTx(dbTx,
-		&orm.BlockInfo{
-			Number:     traces[0].Header.Number.Uint64(),
-			Hash:       traces[0].Header.Hash().String(),
-			ParentHash: traces[0].Header.ParentHash.String(),
-		},
-		&orm.BlockInfo{
-			Number:     traces[1].Header.Number.Uint64(),
-			Hash:       traces[1].Header.Hash().String(),
-			ParentHash: traces[1].Header.ParentHash.String(),
-		},
-		traces[0].Header.ParentHash.String(), 1, 194676) // parentHash & totalTxNum & totalL2Gas don't really matter here
-	assert.NoError(t, err)
-	err = db.SetBatchIDForBlocksInDBTx(dbTx, []uint64{
-		traces[0].Header.Number.Uint64(),
-		traces[1].Header.Number.Uint64()}, batchID)
-	assert.NoError(t, err)
-	err = dbTx.Commit()
+	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.ProcessPendingBatches()
+	l2Relayer.SendCommitTx([]*types.BatchData{batchData})
 
-	status, err := db.GetRollupStatus(batchID)
+	status, err := db.GetRollupStatus(batchHash)
 	assert.NoError(t, err)
-	assert.Equal(t, orm.RollupCommitting, status)
-	commitTxHash, err := db.GetCommitTxHash(batchID)
+	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))
@@ -96,25 +97,25 @@ func testCommitBatchAndFinalizeBatch(t *testing.T) {
 	// fetch rollup events
 	err = l1Watcher.FetchContractEvent(commitTxReceipt.BlockNumber.Uint64())
 	assert.NoError(t, err)
-	status, err = db.GetRollupStatus(batchID)
+	status, err = db.GetRollupStatus(batchHash)
 	assert.NoError(t, err)
-	assert.Equal(t, orm.RollupCommitted, status)
+	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.UpdateProofByID(context.Background(), batchID, tProof, tInstanceCommitments, 100)
+	err = db.UpdateProofByHash(context.Background(), batchHash, tProof, tInstanceCommitments, 100)
 	assert.NoError(t, err)
-	err = db.UpdateProvingStatus(batchID, orm.ProvingTaskVerified)
+	err = db.UpdateProvingStatus(batchHash, types.ProvingTaskVerified)
 	assert.NoError(t, err)
 
 	// process committed batch and check status
 	l2Relayer.ProcessCommittedBatches()
 
-	status, err = db.GetRollupStatus(batchID)
+	status, err = db.GetRollupStatus(batchHash)
 	assert.NoError(t, err)
-	assert.Equal(t, orm.RollupFinalizing, status)
-	finalizeTxHash, err := db.GetFinalizeTxHash(batchID)
+	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))
@@ -126,7 +127,7 @@ func testCommitBatchAndFinalizeBatch(t *testing.T) {
 	// fetch rollup events
 	err = l1Watcher.FetchContractEvent(finalizeTxReceipt.BlockNumber.Uint64())
 	assert.NoError(t, err)
-	status, err = db.GetRollupStatus(batchID)
+	status, err = db.GetRollupStatus(batchHash)
 	assert.NoError(t, err)
-	assert.Equal(t, orm.RollupFinalized, status)
+	assert.Equal(t, types.RollupFinalized, status)
 }

bridge/utils/utils.go

@@ -1,21 +1,20 @@
 package utils
 
 import (
-	"bytes"
+	"fmt"
 	"math/big"
 
-	"github.com/iden3/go-iden3-crypto/keccak256"
+	"github.com/scroll-tech/go-ethereum/accounts/abi"
 	"github.com/scroll-tech/go-ethereum/common"
-	"github.com/scroll-tech/go-ethereum/common/math"
+	"github.com/scroll-tech/go-ethereum/core/types"
+	"github.com/scroll-tech/go-ethereum/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(keccak256.Hash(append(a.Bytes()[:], b.Bytes()[:]...)))
-}
-
-func encodePacked(input ...[]byte) []byte {
-	return bytes.Join(input, nil)
+	return common.BytesToHash(crypto.Keccak256(append(a.Bytes()[:], b.Bytes()[:]...)))
 }
 
 // ComputeMessageHash compute the message hash
@@ -23,21 +22,11 @@ func ComputeMessageHash(
 	sender common.Address,
 	target common.Address,
 	value *big.Int,
-	fee *big.Int,
-	deadline *big.Int,
-	message []byte,
 	messageNonce *big.Int,
+	message []byte,
 ) common.Hash {
-	packed := encodePacked(
-		sender.Bytes(),
-		target.Bytes(),
-		math.U256Bytes(value),
-		math.U256Bytes(fee),
-		math.U256Bytes(deadline),
-		math.U256Bytes(messageNonce),
-		message,
-	)
-	return common.BytesToHash(keccak256.Hash(packed))
+	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
@@ -67,3 +56,43 @@ func BufferToUint256Le(buffer []byte) []*big.Int {
 	}
 	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

@@ -29,13 +29,11 @@ func TestKeccak2(t *testing.T) {
 
 func TestComputeMessageHash(t *testing.T) {
 	hash := utils.ComputeMessageHash(
-		common.HexToAddress("0xd7227113b92e537aeda220d5a2f201b836e5879d"),
-		common.HexToAddress("0x47c02b023b6787ef4e503df42bbb1a94f451a1c0"),
-		big.NewInt(5000000000000000),
+		common.HexToAddress("0x1C5A77d9FA7eF466951B2F01F724BCa3A5820b63"),
+		common.HexToAddress("0x4592D8f8D7B001e72Cb26A73e4Fa1806a51aC79d"),
 		big.NewInt(0),
-		big.NewInt(1674204924),
-		common.Hex2Bytes("8eaac8a30000000000000000000000007138b17fc82d7e954b3bd2f98d8166d03e5e569b0000000000000000000000007138b17fc82d7e954b3bd2f98d8166d03e5e569b0000000000000000000000000000000000000000000000000011c37937e0800000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000"),
-		big.NewInt(30706),
+		big.NewInt(1),
+		[]byte("testbridgecontract"),
 	)
-	assert.Equal(t, hash.String(), "0x920e59f62ca89a0f481d44961c55d299dd20c575693692d61fdf3ca579d8edf3")
+	assert.Equal(t, "0xda253c04595a49017bb54b1b46088c69752b5ad2f0c47971ac76b8b25abec202", hash.String())
 }

build/post-test-report-coverage.sh

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

build/push-docker-tag.Jenkinsfile

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

common/cmd/cmd.go

@@ -1,11 +1,11 @@
 package cmd
 
 import (
+	"fmt"
 	"os"
 	"os/exec"
 	"strings"
 	"sync"
-	"testing"
 
 	cmap "github.com/orcaman/concurrent-map"
 )
@@ -23,8 +23,6 @@ type checkFunc func(buf string)
 
 // Cmd struct
 type Cmd struct {
-	*testing.T
-
 	name string
 	args []string
 
@@ -38,9 +36,8 @@ type Cmd struct {
 }
 
 // NewCmd create Cmd instance.
-func NewCmd(t *testing.T, name string, args ...string) *Cmd {
+func NewCmd(name string, args ...string) *Cmd {
 	return &Cmd{
-		T:          t,
 		checkFuncs: cmap.New(),
 		name:       name,
 		args:       args,
@@ -48,40 +45,40 @@ func NewCmd(t *testing.T, name string, args ...string) *Cmd {
 }
 
 // RegistFunc register check func
-func (t *Cmd) RegistFunc(key string, check checkFunc) {
-	t.checkFuncs.Set(key, check)
+func (c *Cmd) RegistFunc(key string, check checkFunc) {
+	c.checkFuncs.Set(key, check)
 }
 
 // UnRegistFunc unregister check func
-func (t *Cmd) UnRegistFunc(key string) {
-	t.checkFuncs.Pop(key)
+func (c *Cmd) UnRegistFunc(key string) {
+	c.checkFuncs.Pop(key)
 }
 
-func (t *Cmd) runCmd() {
-	cmd := exec.Command(t.args[0], t.args[1:]...) //nolint:gosec
-	cmd.Stdout = t
-	cmd.Stderr = t
+func (c *Cmd) runCmd() {
+	cmd := exec.Command(c.args[0], c.args[1:]...) //nolint:gosec
+	cmd.Stdout = c
+	cmd.Stderr = c
 	_ = cmd.Run()
 }
 
 // RunCmd parallel running when parallel is true.
-func (t *Cmd) RunCmd(parallel bool) {
-	t.Log("cmd: ", t.args)
+func (c *Cmd) RunCmd(parallel bool) {
+	fmt.Println("cmd: ", c.args)
 	if parallel {
-		go t.runCmd()
+		go c.runCmd()
 	} else {
-		t.runCmd()
+		c.runCmd()
 	}
 }
 
-func (t *Cmd) Write(data []byte) (int, error) {
+func (c *Cmd) Write(data []byte) (int, error) {
 	out := string(data)
 	if verbose {
-		t.Logf("%s: %v", t.name, out)
+		fmt.Printf("%s: %v", c.name, out)
 	} else if strings.Contains(out, "error") || strings.Contains(out, "warning") {
-		t.Logf("%s: %v", t.name, out)
+		fmt.Printf("%s: %v", c.name, out)
 	}
-	go t.checkFuncs.IterCb(func(_ string, value interface{}) {
+	go c.checkFuncs.IterCb(func(_ string, value interface{}) {
 		check := value.(checkFunc)
 		check(out)
 	})

common/cmd/cmd_app.go

@@ -5,6 +5,7 @@ import (
 	"os"
 	"os/exec"
 	"strings"
+	"testing"
 	"time"
 
 	"github.com/docker/docker/pkg/reexec"
@@ -13,13 +14,13 @@ import (
 
 // 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...))
+func (c *Cmd) RunApp(waitResult func() bool) {
+	fmt.Println("cmd: ", append([]string{c.name}, c.args...))
 	cmd := &exec.Cmd{
 		Path:   reexec.Self(),
-		Args:   append([]string{t.name}, t.args...),
-		Stderr: t,
-		Stdout: t,
+		Args:   append([]string{c.name}, c.args...),
+		Stderr: c,
+		Stdout: c,
 	}
 	if waitResult != nil {
 		go func() {
@@ -30,38 +31,42 @@ func (t *Cmd) RunApp(waitResult func() bool) {
 		_ = cmd.Run()
 	}
 
-	t.mu.Lock()
-	t.cmd = cmd
-	t.mu.Unlock()
+	c.mu.Lock()
+	c.cmd = cmd
+	c.mu.Unlock()
 }
 
 // WaitExit wait util process exit.
-func (t *Cmd) WaitExit() {
+func (c *Cmd) WaitExit() {
 	// Wait all the check funcs are finished or test status is failed.
-	for !(t.Failed() || t.checkFuncs.IsEmpty()) {
+	for !(c.Err != nil || c.checkFuncs.IsEmpty()) {
 		<-time.After(time.Millisecond * 500)
 	}
 
 	// Send interrupt signal.
-	t.mu.Lock()
-	_ = t.cmd.Process.Signal(os.Interrupt)
-	t.mu.Unlock()
+	c.mu.Lock()
+	_ = c.cmd.Process.Signal(os.Interrupt)
+	// should use `_ = c.cmd.Process.Wait()` here, but we have some bugs in coordinator's graceful exit,
+	// so we use `Kill` as a temp workaround. And since `WaitExit` is only used in integration tests, so
+	// it won't really affect our functionalities.
+	_ = c.cmd.Process.Kill()
+	c.mu.Unlock()
 }
 
 // Interrupt send interrupt signal.
-func (t *Cmd) Interrupt() {
-	t.mu.Lock()
-	t.Err = t.cmd.Process.Signal(os.Interrupt)
-	t.mu.Unlock()
+func (c *Cmd) Interrupt() {
+	c.mu.Lock()
+	c.Err = c.cmd.Process.Signal(os.Interrupt)
+	c.mu.Unlock()
 }
 
 // WaitResult return true when get the keyword during timeout.
-func (t *Cmd) WaitResult(timeout time.Duration, keyword string) bool {
+func (c *Cmd) WaitResult(t *testing.T, timeout time.Duration, keyword string) bool {
 	if keyword == "" {
 		return false
 	}
 	okCh := make(chan struct{}, 1)
-	t.RegistFunc(keyword, func(buf string) {
+	c.RegistFunc(keyword, func(buf string) {
 		if strings.Contains(buf, keyword) {
 			select {
 			case okCh <- struct{}{}:
@@ -70,7 +75,7 @@ func (t *Cmd) WaitResult(timeout time.Duration, keyword string) bool {
 			}
 		}
 	})
-	defer t.UnRegistFunc(keyword)
+	defer c.UnRegistFunc(keyword)
 	select {
 	case <-okCh:
 		return true
@@ -81,12 +86,12 @@ func (t *Cmd) WaitResult(timeout time.Duration, keyword string) bool {
 }
 
 // ExpectWithTimeout wait result during timeout time.
-func (t *Cmd) ExpectWithTimeout(parallel bool, timeout time.Duration, keyword string) {
+func (c *Cmd) ExpectWithTimeout(t *testing.T, parallel bool, timeout time.Duration, keyword string) {
 	if keyword == "" {
 		return
 	}
 	okCh := make(chan struct{}, 1)
-	t.RegistFunc(keyword, func(buf string) {
+	c.RegistFunc(keyword, func(buf string) {
 		if strings.Contains(buf, keyword) {
 			select {
 			case okCh <- struct{}{}:
@@ -97,7 +102,7 @@ func (t *Cmd) ExpectWithTimeout(parallel bool, timeout time.Duration, keyword st
 	})
 
 	waitResult := func() {
-		defer t.UnRegistFunc(keyword)
+		defer c.UnRegistFunc(keyword)
 		select {
 		case <-okCh:
 			return

common/cmd/cmd_test.go

@@ -12,7 +12,7 @@ import (
 )
 
 func TestCmd(t *testing.T) {
-	app := cmd.NewCmd(t, "curTime", "date", "+%Y-%m-%d")
+	app := cmd.NewCmd("curTime", "date", "+%Y-%m-%d")
 
 	tm := time.Now()
 	curTime := fmt.Sprintf("%d-%02d-%02d", tm.Year(), tm.Month(), tm.Day())

common/docker/docker_app.go

@@ -0,0 +1,234 @@
+package docker
+
+import (
+	"context"
+	"crypto/rand"
+	"encoding/json"
+	"fmt"
+	"math/big"
+	"os"
+	"testing"
+	"time"
+
+	"github.com/jmoiron/sqlx"
+	"github.com/modern-go/reflect2"
+	"github.com/scroll-tech/go-ethereum/ethclient"
+	"github.com/stretchr/testify/assert"
+
+	"scroll-tech/database"
+
+	"scroll-tech/common/cmd"
+	"scroll-tech/common/utils"
+)
+
+var (
+	l1StartPort = 10000
+	l2StartPort = 20000
+	dbStartPort = 30000
+)
+
+// App is collection struct of runtime docker images
+type App struct {
+	l1gethImg ImgInstance
+	l2gethImg ImgInstance
+
+	dbImg    ImgInstance
+	dbConfig *database.DBConfig
+	dbFile   string
+
+	// common time stamp.
+	timestamp int
+}
+
+// NewDockerApp returns new instance of dokerApp struct
+func NewDockerApp() *App {
+	timestamp := time.Now().Nanosecond()
+	return &App{
+		timestamp: timestamp,
+		dbFile:    fmt.Sprintf("/tmp/%d_db-config.json", timestamp),
+	}
+}
+
+// RunImages runs all images togather
+func (b *App) RunImages(t *testing.T) {
+	b.runDBImage(t)
+	b.runL1Geth(t)
+	b.runL2Geth(t)
+}
+
+func (b *App) runDBImage(t *testing.T) {
+	if b.dbImg != nil {
+		return
+	}
+	b.dbImg = newTestDBDocker(t, "postgres")
+	if err := b.mockDBConfig(); err != nil {
+		_ = b.dbImg.Stop()
+		b.dbImg = nil
+		_ = os.Remove(b.dbFile)
+		t.Fatal(err)
+	}
+}
+
+// RunDBApp runs DB app with command
+func (b *App) RunDBApp(t *testing.T, option, keyword string) {
+	args := []string{option, "--config", b.dbFile}
+	app := cmd.NewCmd("db_cli-test", args...)
+	defer app.WaitExit()
+
+	// Wait expect result.
+	app.ExpectWithTimeout(t, true, time.Second*3, keyword)
+	app.RunApp(nil)
+}
+
+// Free clear all running images
+func (b *App) Free() {
+	if b.l1gethImg != nil {
+		_ = b.l1gethImg.Stop()
+		b.l1gethImg = nil
+	}
+	if b.l2gethImg != nil {
+		_ = b.l2gethImg.Stop()
+		b.l2gethImg = nil
+	}
+	if b.dbImg != nil {
+		_ = b.dbImg.Stop()
+		b.dbImg = nil
+		_ = os.Remove(b.dbFile)
+	}
+}
+
+// L1GethEndpoint returns l1gethimg endpoint
+func (b *App) L1GethEndpoint() string {
+	if b.l1gethImg != nil {
+		return b.l1gethImg.Endpoint()
+	}
+	return ""
+}
+
+// L2GethEndpoint returns l2gethimg endpoint
+func (b *App) L2GethEndpoint() string {
+	if b.l2gethImg != nil {
+		return b.l2gethImg.Endpoint()
+	}
+	return ""
+}
+
+// DBEndpoint returns the endpoint of the dbimg
+func (b *App) DBEndpoint() string {
+	return b.dbImg.Endpoint()
+}
+
+func (b *App) runL1Geth(t *testing.T) {
+	if b.l1gethImg != nil {
+		return
+	}
+	b.l1gethImg = newTestL1Docker(t)
+}
+
+// L1Client returns a ethclient by dialing running l1geth
+func (b *App) L1Client() (*ethclient.Client, error) {
+	if b.l1gethImg == nil || reflect2.IsNil(b.l1gethImg) {
+		return nil, fmt.Errorf("l1 geth is not running")
+	}
+	client, err := ethclient.Dial(b.l1gethImg.Endpoint())
+	if err != nil {
+		return nil, err
+	}
+	return client, nil
+}
+
+func (b *App) runL2Geth(t *testing.T) {
+	if b.l2gethImg != nil {
+		return
+	}
+	b.l2gethImg = newTestL2Docker(t)
+}
+
+// L2Client returns a ethclient by dialing running l2geth
+func (b *App) L2Client() (*ethclient.Client, error) {
+	if b.l2gethImg == nil || reflect2.IsNil(b.l2gethImg) {
+		return nil, fmt.Errorf("l2 geth is not running")
+	}
+	client, err := ethclient.Dial(b.l2gethImg.Endpoint())
+	if err != nil {
+		return nil, err
+	}
+	return client, nil
+}
+
+func (b *App) mockDBConfig() error {
+	if b.dbConfig == nil {
+
+		b.dbConfig = &database.DBConfig{
+			DSN:        "",
+			DriverName: "postgres",
+			MaxOpenNum: 200,
+			MaxIdleNum: 20,
+		}
+	}
+
+	if b.dbImg != nil {
+		b.dbConfig.DSN = b.dbImg.Endpoint()
+	}
+	data, err := json.Marshal(b.dbConfig)
+	if err != nil {
+		return err
+	}
+
+	return os.WriteFile(b.dbFile, data, 0644) //nolint:gosec
+}
+
+func newTestL1Docker(t *testing.T) ImgInstance {
+	id, _ := rand.Int(rand.Reader, big.NewInt(2000))
+	imgL1geth := NewImgGeth("scroll_l1geth", "", "", 0, l1StartPort+int(id.Int64()))
+	assert.NoError(t, imgL1geth.Start())
+
+	// try 3 times to get chainID until is ok.
+	utils.TryTimes(10, func() bool {
+		client, _ := ethclient.Dial(imgL1geth.Endpoint())
+		if client != nil {
+			if _, err := client.ChainID(context.Background()); err == nil {
+				return true
+			}
+		}
+		return false
+	})
+
+	return imgL1geth
+}
+
+func newTestL2Docker(t *testing.T) ImgInstance {
+	id, _ := rand.Int(rand.Reader, big.NewInt(2000))
+	imgL2geth := NewImgGeth("scroll_l2geth", "", "", 0, l2StartPort+int(id.Int64()))
+	assert.NoError(t, imgL2geth.Start())
+
+	// try 3 times to get chainID until is ok.
+	utils.TryTimes(10, func() bool {
+		client, _ := ethclient.Dial(imgL2geth.Endpoint())
+		if client != nil {
+			if _, err := client.ChainID(context.Background()); err == nil {
+				return true
+			}
+		}
+		return false
+	})
+
+	return imgL2geth
+}
+
+func newTestDBDocker(t *testing.T, driverName string) ImgInstance {
+	id, _ := rand.Int(rand.Reader, big.NewInt(2000))
+	imgDB := NewImgDB(driverName, "123456", "test_db", dbStartPort+int(id.Int64()))
+	assert.NoError(t, imgDB.Start())
+
+	// try 5 times until the db is ready.
+	utils.TryTimes(10, func() bool {
+		db, _ := sqlx.Open(driverName, imgDB.Endpoint())
+		if db != nil {
+			return db.Ping() == nil
+		}
+		return false
+	})
+
+	return imgDB
+}

common/docker/docker_db.go

@@ -4,7 +4,6 @@ import (
 	"context"
 	"fmt"
 	"strings"
-	"testing"
 	"time"
 
 	"github.com/docker/docker/api/types"
@@ -28,7 +27,7 @@ type ImgDB struct {
 }
 
 // NewImgDB return postgres db img instance.
-func NewImgDB(t *testing.T, image, password, dbName string, port int) ImgInstance {
+func NewImgDB(image, password, dbName string, port int) ImgInstance {
 	img := &ImgDB{
 		image:    image,
 		name:     fmt.Sprintf("%s-%s_%d", image, dbName, port),
@@ -36,7 +35,7 @@ func NewImgDB(t *testing.T, image, password, dbName string, port int) ImgInstanc
 		dbName:   dbName,
 		port:     port,
 	}
-	img.cmd = cmd.NewCmd(t, img.name, img.prepare()...)
+	img.cmd = cmd.NewCmd(img.name, img.prepare()...)
 	return img
 }
 
@@ -46,7 +45,6 @@ func (i *ImgDB) Start() error {
 	if id != "" {
 		return fmt.Errorf("container already exist, name: %s", i.name)
 	}
-	i.cmd.RunCmd(true)
 	i.running = i.isOk()
 	if !i.running {
 		_ = i.Stop()
@@ -107,10 +105,12 @@ func (i *ImgDB) isOk() bool {
 		}
 	})
 	defer i.cmd.UnRegistFunc(keyword)
+	// Start cmd in parallel.
+	i.cmd.RunCmd(true)
 
 	select {
 	case <-okCh:
-		utils.TryTimes(3, func() bool {
+		utils.TryTimes(20, func() bool {
 			i.id = GetContainerID(i.name)
 			return i.id != ""
 		})

common/docker/docker_geth.go

@@ -5,7 +5,6 @@ import (
 	"fmt"
 	"strconv"
 	"strings"
-	"testing"
 	"time"
 
 	"github.com/docker/docker/api/types"
@@ -30,7 +29,7 @@ type ImgGeth struct {
 }
 
 // NewImgGeth return geth img instance.
-func NewImgGeth(t *testing.T, image, volume, ipc string, hPort, wPort int) ImgInstance {
+func NewImgGeth(image, volume, ipc string, hPort, wPort int) ImgInstance {
 	img := &ImgGeth{
 		image:    image,
 		name:     fmt.Sprintf("%s-%d", image, time.Now().Nanosecond()),
@@ -39,7 +38,7 @@ func NewImgGeth(t *testing.T, image, volume, ipc string, hPort, wPort int) ImgIn
 		httpPort: hPort,
 		wsPort:   wPort,
 	}
-	img.cmd = cmd.NewCmd(t, img.name, img.prepare()...)
+	img.cmd = cmd.NewCmd(img.name, img.prepare()...)
 	return img
 }
 
@@ -49,7 +48,6 @@ func (i *ImgGeth) Start() error {
 	if id != "" {
 		return fmt.Errorf("container already exist, name: %s", i.name)
 	}
-	i.cmd.RunCmd(true)
 	i.running = i.isOk()
 	if !i.running {
 		_ = i.Stop()
@@ -86,10 +84,12 @@ func (i *ImgGeth) isOk() bool {
 		}
 	})
 	defer i.cmd.UnRegistFunc(keyword)
+	// Start cmd in parallel.
+	i.cmd.RunCmd(true)
 
 	select {
 	case <-okCh:
-		utils.TryTimes(3, func() bool {
+		utils.TryTimes(20, func() bool {
 			i.id = GetContainerID(i.name)
 			return i.id != ""
 		})

common/docker/docker_test.go

@@ -1,4 +1,4 @@
-package docker
+package docker_test
 
 import (
 	"context"
@@ -6,13 +6,36 @@ import (
 
 	"github.com/jmoiron/sqlx"
 	_ "github.com/lib/pq" //nolint:golint
-	"github.com/scroll-tech/go-ethereum/ethclient"
 	"github.com/stretchr/testify/assert"
+
+	_ "scroll-tech/database/cmd/app"
+
+	"scroll-tech/common/docker"
 )
 
-func TestDocker(t *testing.T) {
-	t.Parallel()
+var (
+	base *docker.App
+)
 
+func TestMain(m *testing.M) {
+	base = docker.NewDockerApp()
+
+	m.Run()
+
+	base.Free()
+}
+
+func TestStartProcess(t *testing.T) {
+	base.RunImages(t)
+
+	// migrate db.
+	base.RunDBApp(t, "reset", "successful to reset")
+	base.RunDBApp(t, "migrate", "current version:")
+}
+
+func TestDocker(t *testing.T) {
+	base.RunImages(t)
+	t.Parallel()
 	t.Run("testL1Geth", testL1Geth)
 	t.Run("testL2Geth", testL2Geth)
 	t.Run("testDB", testDB)
@@ -22,10 +45,7 @@ func testL1Geth(t *testing.T) {
 	ctx, cancel := context.WithCancel(context.Background())
 	defer cancel()
 
-	img := NewTestL1Docker(t)
-	defer img.Stop()
-
-	client, err := ethclient.Dial(img.Endpoint())
+	client, err := base.L1Client()
 	assert.NoError(t, err)
 
 	chainID, err := client.ChainID(ctx)
@@ -37,10 +57,7 @@ func testL2Geth(t *testing.T) {
 	ctx, cancel := context.WithCancel(context.Background())
 	defer cancel()
 
-	img := NewTestL2Docker(t)
-	defer img.Stop()
-
-	client, err := ethclient.Dial(img.Endpoint())
+	client, err := base.L2Client()
 	assert.NoError(t, err)
 
 	chainID, err := client.ChainID(ctx)
@@ -50,10 +67,8 @@ func testL2Geth(t *testing.T) {
 
 func testDB(t *testing.T) {
 	driverName := "postgres"
-	dbImg := NewTestDBDocker(t, driverName)
-	defer dbImg.Stop()
 
-	db, err := sqlx.Open(driverName, dbImg.Endpoint())
+	db, err := sqlx.Open(driverName, base.DBEndpoint())
 	assert.NoError(t, err)
 	assert.NoError(t, db.Ping())
 }

common/docker/l1geth/l1geth_run.sh

@@ -11,6 +11,6 @@ if [ ! -n "${IPC_PATH}" ];then
   IPC_PATH="/tmp/l1geth_path.ipc"
 fi
 
-exec geth --mine --datadir "." --unlock 0 --password "./password" --allow-insecure-unlock --nodiscover \
+exec geth --mine --datadir "." --unlock 0 --miner.etherbase "0x1c5a77d9fa7ef466951b2f01f724bca3a5820b63" --password "./password" --allow-insecure-unlock --nodiscover \
   --http --http.addr "0.0.0.0" --http.port 8545 --ws --ws.addr "0.0.0.0" --ws.port 8546 --ipcpath ${IPC_PATH}
 

common/docker/mock.go

@@ -1,78 +0,0 @@
-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

@@ -8,10 +8,12 @@ require (
 	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/modern-go/reflect2 v1.0.2
 	github.com/orcaman/concurrent-map v1.0.0
-	github.com/scroll-tech/go-ethereum v1.10.14-0.20230220082843-ec9254b0b1c6
-	github.com/stretchr/testify v1.8.0
+	github.com/scroll-tech/go-ethereum v1.10.14-0.20230321020420-127af384ed04
+	github.com/stretchr/testify v1.8.2
 	github.com/urfave/cli/v2 v2.17.2-0.20221006022127-8f469abc00aa
+	gotest.tools v2.2.0+incompatible
 )
 
 require (
@@ -27,14 +29,15 @@ require (
 	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 v1.11.1 // indirect
+	github.com/ethereum/go-ethereum v1.11.4 // 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 v1.8.1 // 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 v1.5.0 // indirect
 	github.com/graph-gophers/graphql-go v1.3.0 // indirect
@@ -43,7 +46,7 @@ require (
 	github.com/holiman/bloomfilter/v2 v2.0.3 // indirect
 	github.com/holiman/uint256 v1.2.0 // indirect
 	github.com/huin/goupnp v1.0.3 // indirect
-	github.com/iden3/go-iden3-crypto v0.0.13 // indirect
+	github.com/iden3/go-iden3-crypto v0.0.14 // 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
@@ -65,7 +68,7 @@ require (
 	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/scroll-tech/zktrie v0.5.2 // indirect
 	github.com/shirou/gopsutil v3.21.11+incompatible // indirect
 	github.com/sirupsen/logrus v1.9.0 // indirect
 	github.com/status-im/keycard-go v0.2.0 // indirect
@@ -75,14 +78,15 @@ require (
 	github.com/tyler-smith/go-bip39 v1.1.0 // indirect
 	github.com/xrash/smetrics v0.0.0-20201216005158-039620a65673 // indirect
 	github.com/yusufpapurcu/wmi v1.2.2 // indirect
-	golang.org/x/crypto v0.6.0 // indirect
-	golang.org/x/mod v0.7.0 // indirect
-	golang.org/x/net v0.6.0 // indirect
+	golang.org/x/crypto v0.7.0 // indirect
+	golang.org/x/mod v0.8.0 // indirect
+	golang.org/x/net v0.8.0 // 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/sys v0.6.0 // indirect
+	golang.org/x/text v0.8.0 // indirect
 	golang.org/x/time v0.0.0-20220922220347-f3bd1da661af // indirect
-	golang.org/x/tools v0.3.0 // indirect
+	golang.org/x/tools v0.6.0 // indirect
+	gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect
 	gopkg.in/natefinch/npipe.v2 v2.0.0-20160621034901-c1b8fa8bdcce // indirect
 	gopkg.in/urfave/cli.v1 v1.20.0 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect

common/go.sum

@@ -18,28 +18,14 @@ cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiy
 cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0ZeosJ0Rtdos=
 collectd.org v0.3.0/go.mod h1:A/8DzQBkF6abtvrT2j/AU/4tiBgJWYyh0y/oB/4MlWE=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
-github.com/Azure/azure-pipeline-go v0.2.1/go.mod h1:UGSo8XybXnIGZ3epmeBw7Jdz+HiUVpqIlpz/HKHylF4=
-github.com/Azure/azure-pipeline-go v0.2.2/go.mod h1:4rQ/NZncSvGqNkkOsNpOU1tgoNuIlp9AfUH5G1tvCHc=
-github.com/Azure/azure-storage-blob-go v0.7.0/go.mod h1:f9YQKtsG1nMisotuTPpO0tjNuEjKRYAcJU8/ydDI++4=
 github.com/Azure/go-ansiterm v0.0.0-20210617225240-d185dfc1b5a1 h1:UQHMgLO+TxOElx5B5HZ4hJQsoJ/PvUvKRhJHDQXO8P8=
 github.com/Azure/go-ansiterm v0.0.0-20210617225240-d185dfc1b5a1/go.mod h1:xomTg63KZ2rFqZQzSB4Vz2SUXa1BpHTVz9L5PTmPC4E=
-github.com/Azure/go-autorest/autorest v0.9.0/go.mod h1:xyHB1BMZT0cuDHU7I0+g046+BFDTQ8rEZB0s4Yfa6bI=
-github.com/Azure/go-autorest/autorest/adal v0.5.0/go.mod h1:8Z9fGy2MpX0PvDjB1pEgQTmVqjGhiHBW7RJJEciWzS0=
-github.com/Azure/go-autorest/autorest/adal v0.8.0/go.mod h1:Z6vX6WXXuyieHAXwMj0S6HY6e6wcHn37qQMBQlvY3lc=
-github.com/Azure/go-autorest/autorest/date v0.1.0/go.mod h1:plvfp3oPSKwf2DNjlBjWF/7vwR+cUD/ELuzDCXwHUVA=
-github.com/Azure/go-autorest/autorest/date v0.2.0/go.mod h1:vcORJHLJEh643/Ioh9+vPmf1Ij9AEBM5FuBIXLmIy0g=
-github.com/Azure/go-autorest/autorest/mocks v0.1.0/go.mod h1:OTyCOPRA2IgIlWxVYxBee2F5Gr4kF2zd2J5cFRaIDN0=
-github.com/Azure/go-autorest/autorest/mocks v0.2.0/go.mod h1:OTyCOPRA2IgIlWxVYxBee2F5Gr4kF2zd2J5cFRaIDN0=
-github.com/Azure/go-autorest/autorest/mocks v0.3.0/go.mod h1:a8FDP3DYzQ4RYfVAxAN3SVSiiO77gL2j2ronKKP0syM=
-github.com/Azure/go-autorest/logger v0.1.0/go.mod h1:oExouG+K6PryycPJfVSxi/koC6LSNgds39diKLz7Vrc=
-github.com/Azure/go-autorest/tracing v0.5.0/go.mod h1:r/s2XiOKccPW3HrqB+W0TQzfbtp2fGCgRFtBroKn4Dk=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
 github.com/DATA-DOG/go-sqlmock v1.3.3/go.mod h1:f/Ixk793poVmq4qj/V1dPUg2JEAKC73Q5eFN3EC/SaM=
 github.com/Microsoft/go-winio v0.6.0 h1:slsWYD/zyx7lCXoZVlvQrj0hPTM1HI4+v1sIda2yDvg=
 github.com/Microsoft/go-winio v0.6.0/go.mod h1:cTAf44im0RAYeL23bpB+fzCyDH2MJiz2BO69KH/soAE=
 github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
-github.com/StackExchange/wmi v0.0.0-20180116203802-5d049714c4a6/go.mod h1:3eOhrUMpNV+6aFIbp5/iudMxNCF27Vw2OZgy4xEx0Fg=
 github.com/VictoriaMetrics/fastcache v1.6.0 h1:C/3Oi3EiBCqufydp1neRZkqcwmEiuRT9c3fqvvgKm5o=
 github.com/VictoriaMetrics/fastcache v1.6.0/go.mod h1:0qHz5QP0GMX4pfmMA/zt5RgfNuXJrTP0zS7DqpHGGTw=
 github.com/aead/siphash v1.0.1/go.mod h1:Nywa3cDsYNNK3gaciGTWPwHt0wlpNV15vwmswBAUSII=
@@ -50,15 +36,6 @@ github.com/allegro/bigcache v1.2.1-0.20190218064605-e24eb225f156 h1:eMwmnE/GDgah
 github.com/allegro/bigcache v1.2.1-0.20190218064605-e24eb225f156/go.mod h1:Cb/ax3seSYIx7SuZdm2G2xzfwmv3TPSk2ucNfQESPXM=
 github.com/andreyvit/diff v0.0.0-20170406064948-c7f18ee00883/go.mod h1:rCTlJbsFo29Kk6CurOXKm700vrz8f0KW0JNfpkRJY/8=
 github.com/apache/arrow/go/arrow v0.0.0-20191024131854-af6fa24be0db/go.mod h1:VTxUBvSJ3s3eHAg65PNgrsn5BtqCRPdmyXh6rAfdxN0=
-github.com/aws/aws-sdk-go-v2 v1.2.0/go.mod h1:zEQs02YRBw1DjK0PoJv3ygDYOFTre1ejlJWl8FwAuQo=
-github.com/aws/aws-sdk-go-v2/config v1.1.1/go.mod h1:0XsVy9lBI/BCXm+2Tuvt39YmdHwS5unDQmxZOYe8F5Y=
-github.com/aws/aws-sdk-go-v2/credentials v1.1.1/go.mod h1:mM2iIjwl7LULWtS6JCACyInboHirisUUdkBPoTHMOUo=
-github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.0.2/go.mod h1:3hGg3PpiEjHnrkrlasTfxFqUsZ2GCk/fMUn4CbKgSkM=
-github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.0.2/go.mod h1:45MfaXZ0cNbeuT0KQ1XJylq8A6+OpVV2E5kvY/Kq+u8=
-github.com/aws/aws-sdk-go-v2/service/route53 v1.1.1/go.mod h1:rLiOUrPLW/Er5kRcQ7NkwbjlijluLsrIbu/iyl35RO4=
-github.com/aws/aws-sdk-go-v2/service/sso v1.1.1/go.mod h1:SuZJxklHxLAXgLTc1iFXbEWkXs7QRTQpCLGaKIprQW0=
-github.com/aws/aws-sdk-go-v2/service/sts v1.1.1/go.mod h1:Wi0EBZwiz/K44YliU0EKxqTCJGUfYTWXrrBwkq736bM=
-github.com/aws/smithy-go v1.1.0/go.mod h1:EzMw8dbp/YJL4A5/sbhGddag+NPT7q084agLbB9LgIw=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
 github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
 github.com/bmizerany/pat v0.0.0-20170815010413-6226ea591a40/go.mod h1:8rLXio+WjiTceGBHIoTvn60HIbs7Hm7bcHjyrSqYB9c=
@@ -75,7 +52,6 @@ github.com/btcsuite/winsvc v1.0.0/go.mod h1:jsenWakMcC0zFBFurPLEAyrnc/teJEM1O46f
 github.com/c-bata/go-prompt v0.2.2/go.mod h1:VzqtzE2ksDBcdln8G7mk2RX9QyGjH+OVqOCSiVIqS34=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/cespare/cp v0.1.0 h1:SE+dxFebS7Iik5LK0tsi1k9ZCxEaFX4AjQmoyA+1dJk=
-github.com/cespare/cp v0.1.0/go.mod h1:SOGHArjBr4JWaSDEVpWpo/hNg6RoKrls6Oh40hiwW+s=
 github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
 github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/cespare/xxhash/v2 v2.2.0 h1:DC2CZ1Ep5Y4k3ZQ899DldepgrayRUGE6BBZ/cd9Cj44=
@@ -84,13 +60,8 @@ github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWR
 github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
 github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
-github.com/cloudflare/cloudflare-go v0.14.0/go.mod h1:EnwdgGMaFOruiPZRFSgn+TsQ3hQ7C/YWzIGLeu5c304=
-github.com/consensys/bavard v0.1.8-0.20210406032232-f3452dc9b572/go.mod h1:Bpd0/3mZuaj6Sj+PqrmIquiOKy397AKGThQPaGzNXAQ=
-github.com/consensys/gnark-crypto v0.4.1-0.20210426202927-39ac3d4b3f1f/go.mod h1:815PAHg3wvysy0SyIqanF8gZ0Y1wjk/hrDHD/iT88+Q=
-github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 github.com/cpuguy83/go-md2man/v2 v2.0.2 h1:p1EgwI/C7NhT0JmVkwCD2ZBK8j4aeHQX2pMHHBfMQ6w=
 github.com/cpuguy83/go-md2man/v2 v2.0.2/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
-github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/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=
 github.com/dave/jennifer v1.2.0/go.mod h1:fIb+770HOpJ2fmN9EPPKOqm1vMGhB+TwXKMZhrIygKg=
@@ -98,8 +69,6 @@ github.com/davecgh/go-spew v0.0.0-20171005155431-ecdeabc65495/go.mod h1:J7Y8YcW2
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/dchest/blake512 v1.0.0/go.mod h1:FV1x7xPPLWukZlpDpWQ88rF/SFwZ5qbskrzhLMB92JI=
-github.com/deckarep/golang-set v0.0.0-20180603214616-504e848d77ea/go.mod h1:93vsz/8Wt4joVM7c2AVqh+YRMiUSc14yDtF28KmMOgQ=
 github.com/deckarep/golang-set v1.8.0 h1:sk9/l/KqpunDwP7pSjUg0keiOOLEnOBHzykLrsPppp4=
 github.com/deckarep/golang-set v1.8.0/go.mod h1:5nI87KwE7wgsBU1F4GKAw2Qod7p5kyS383rP6+o6qqo=
 github.com/deepmap/oapi-codegen v1.6.0/go.mod h1:ryDa9AgbELGeB+YEXE1dR53yAjHwFvE9iAUlWl9Al3M=
@@ -108,27 +77,21 @@ github.com/deepmap/oapi-codegen v1.8.2/go.mod h1:YLgSKSDv/bZQB7N4ws6luhozi3cEdRk
 github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
 github.com/dgryski/go-bitstream v0.0.0-20180413035011-3522498ce2c8/go.mod h1:VMaSuZ+SZcx/wljOQKvp5srsbCiKDEb6K2wC4+PiBmQ=
 github.com/dgryski/go-sip13 v0.0.0-20181026042036-e10d5fee7954/go.mod h1:vAd38F8PWV+bWy6jNmig1y/TA+kYO4g3RSRF0IAv0no=
-github.com/dlclark/regexp2 v1.4.1-0.20201116162257-a2a8dda75c91/go.mod h1:2pZnwuY/m+8K6iRw6wQdMtk+rH5tNGR1i55kozfMjCc=
 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=
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@@ -148,14 +111,13 @@ github.com/go-gl/glfw/v3.3/glfw v0.0.0-20191125211704-12ad95a8df72/go.mod h1:tQ2
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@@ -184,7 +146,6 @@ github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrU
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@@ -197,28 +158,22 @@ github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5a
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@@ -232,14 +187,12 @@ github.com/holiman/bloomfilter/v2 v2.0.3/go.mod h1:zpoh+gs7qcpqrHr3dB55AMiJwo0iU
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@@ -255,13 +208,9 @@ github.com/influxdata/promql/v2 v2.12.0/go.mod h1:fxOPu+DY0bqCTCECchSRtWfc+0X19y
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@@ -274,7 +223,6 @@ github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7V
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@@ -284,7 +232,6 @@ github.com/klauspost/cpuid v0.0.0-20170728055534-ae7887de9fa5/go.mod h1:Pj4uuM52
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@@ -292,12 +239,9 @@ github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
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@@ -311,8 +255,6 @@ github.com/mattn/go-colorable v0.1.7/go.mod h1:u6P/XSegPjTcexA+o6vUJrdnUu04hMope
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@@ -337,12 +279,12 @@ github.com/moby/term v0.0.0-20220808134915-39b0c02b01ae h1:O4SWKdcHVCvYqyDV+9CJA
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@@ -399,20 +341,17 @@ github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFR
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@@ -422,12 +361,12 @@ github.com/spaolacci/murmur3 v0.0.0-20180118202830-f09979ecbc72/go.mod h1:JwIasO
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@@ -435,21 +374,18 @@ github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81P
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@@ -474,15 +410,12 @@ golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnf
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@@ -511,9 +444,8 @@ golang.org/x/mod v0.1.0/go.mod h1:0QHyrYULN0/3qlju5TqG8bIK38QM8yzMo5ekMj3DlcY=
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@@ -535,13 +467,8 @@ golang.org/x/net v0.0.0-20200813134508-3edf25e44fcc/go.mod h1:/O7V0waA8r7cgGh81R
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 golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
 golang.org/x/net v0.0.0-20210119194325-5f4716e94777/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
-golang.org/x/net v0.0.0-20210220033124-5f55cee0dc0d/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
-golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
-golang.org/x/net v0.0.0-20210805182204-aaa1db679c0d/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
-golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
-golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
-golang.org/x/net v0.6.0 h1:L4ZwwTvKW9gr0ZMS1yrHD9GZhIuVjOBBnaKH+SPQK0Q=
-golang.org/x/net v0.6.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
+golang.org/x/net v0.8.0 h1:Zrh2ngAOFYneWTAIAPethzeaQLuHwhuBkuV6ZiRnUaQ=
+golang.org/x/net v0.8.0/go.mod h1:QVkue5JL9kW//ek3r6jTKnTFis1tRmNAW2P1shuFdJc=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
 golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
@@ -553,10 +480,8 @@ golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20190227155943-e225da77a7e6/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.0.0-20200317015054-43a5402ce75a/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.1.0 h1:wsuoTGHzEhffawBOhz5CYhcrV4IdKZbEyZjBMuTp12o=
 golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
@@ -592,34 +517,22 @@ golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210119212857-b64e53b001e4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20210316164454-77fc1eacc6aa/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210324051608-47abb6519492/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20210420205809-ac73e9fd8988/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-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 v0.0.0-20210816183151-1e6c022a8912/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/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/sys v0.6.0 h1:MVltZSvRTcU2ljQOhs94SXPftV6DCNnZViHeQps87pQ=
+golang.org/x/sys v0.6.0/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=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
 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/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/text v0.8.0 h1:57P1ETyNKtuIjB4SRd15iJxuhj8Gc416Y78H3qgMh68=
+golang.org/x/text v0.8.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
 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=
@@ -656,8 +569,8 @@ 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 v0.3.0 h1:SrNbZl6ECOS1qFzgTdQfWXZM9XBkiA6tkFrH9YSTPHM=
-golang.org/x/tools v0.3.0/go.mod h1:/rWhSS2+zyEVwoJf8YAX6L2f0ntZ7Kn/mGgAWcipA5k=
+golang.org/x/tools v0.6.0 h1:BOw41kyTf3PuCW1pVQf8+Cyg8pMlkYB1oo9iJ6D/lKM=
+golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU=
 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=
@@ -715,22 +628,20 @@ gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
 gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
 gopkg.in/natefinch/npipe.v2 v2.0.0-20160621034901-c1b8fa8bdcce h1:+JknDZhAj8YMt7GC73Ei8pv4MzjDUNPHgQWJdtMAaDU=
 gopkg.in/natefinch/npipe.v2 v2.0.0-20160621034901-c1b8fa8bdcce/go.mod h1:5AcXVHNjg+BDxry382+8OKon8SEWiKktQR07RKPsv1c=
-gopkg.in/olebedev/go-duktape.v3 v3.0.0-20200619000410-60c24ae608a6/go.mod h1:uAJfkITjFhyEEuUfm7bsmCZRbW5WRq8s9EY8HZ6hCns=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
 gopkg.in/urfave/cli.v1 v1.20.0 h1:NdAVW6RYxDif9DhDHaAortIu956m2c0v+09AZBPTbE0=
 gopkg.in/urfave/cli.v1 v1.20.0/go.mod h1:vuBzUtMdQeixQj8LVd+/98pzhxNGQoyuPBlsXHOQNO0=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
 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=
@@ -740,6 +651,5 @@ honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWh
 honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 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=
 rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
 rsc.io/pdf v0.1.1/go.mod h1:n8OzWcQ6Sp37PL01nO98y4iUCRdTGarVfzxY20ICaU4=

common/libzkp/impl/Cargo.lock

@@ -368,9 +368,9 @@ checksum = "8d696c370c750c948ada61c69a0ee2cbbb9c50b1019ddb86d9317157a99c2cae"
 
 [[package]]
 name = "bounded-collections"
-version = "0.1.5"
+version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a071c348a5ef6da1d3a87166b408170b46002382b1dda83992b5c2208cefb370"
+checksum = "de2aff4807e40f478132150d80b031f2461d88f061851afcab537d7600c24120"
 dependencies = [
  "log",
  "parity-scale-codec",
@@ -2902,9 +2902,9 @@ dependencies = [
 
 [[package]]
 name = "parity-scale-codec"
-version = "3.4.0"
+version = "3.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "637935964ff85a605d114591d4d2c13c5d1ba2806dae97cea6bf180238a749ac"
+checksum = "c3840933452adf7b3b9145e27086a5a3376c619dca1a21b1e5a5af0d54979bed"
 dependencies = [
  "arrayvec 0.7.2",
  "bitvec 1.0.1",
@@ -5014,7 +5014,7 @@ checksum = "dcf81ac59edc17cc8697ff311e8f5ef2d99fcbd9817b34cec66f90b6c3dfd987"
 [[package]]
 name = "types"
 version = "0.1.0"
-source = "git+https://github.com/scroll-tech/scroll-zkevm?branch=goerli-0215#d0d3338663a0b3eee51e9d044ab96a7899d70252"
+source = "git+https://github.com/scroll-tech/scroll-zkevm?branch=goerli-0215#1f7a3c7da2370860087555a11346bd5d96f609fd"
 dependencies = [
  "base64 0.13.0",
  "blake2",
@@ -5682,7 +5682,7 @@ dependencies = [
 [[package]]
 name = "zkevm"
 version = "0.1.0"
-source = "git+https://github.com/scroll-tech/scroll-zkevm?branch=goerli-0215#d0d3338663a0b3eee51e9d044ab96a7899d70252"
+source = "git+https://github.com/scroll-tech/scroll-zkevm?branch=goerli-0215#1f7a3c7da2370860087555a11346bd5d96f609fd"
 dependencies = [
  "anyhow",
  "blake2",

common/metrics/metrics.go

@@ -10,12 +10,16 @@ import (
 	"github.com/scroll-tech/go-ethereum/metrics"
 	"github.com/scroll-tech/go-ethereum/metrics/prometheus"
 	"github.com/scroll-tech/go-ethereum/rpc"
-
 	"github.com/urfave/cli/v2"
 
 	"scroll-tech/common/utils"
 )
 
+var (
+	// ScrollRegistry is used for scroll metrics.
+	ScrollRegistry = metrics.NewRegistry()
+)
+
 // Serve starts the metrics server on the given address, will be closed when the given
 // context is canceled.
 func Serve(ctx context.Context, c *cli.Context) {
@@ -30,7 +34,7 @@ func Serve(ctx context.Context, c *cli.Context) {
 
 	server := &http.Server{
 		Addr:         address,
-		Handler:      prometheus.Handler(metrics.DefaultRegistry),
+		Handler:      prometheus.Handler(ScrollRegistry),
 		ReadTimeout:  rpc.DefaultHTTPTimeouts.ReadTimeout,
 		WriteTimeout: rpc.DefaultHTTPTimeouts.WriteTimeout,
 		IdleTimeout:  rpc.DefaultHTTPTimeouts.IdleTimeout,

common/testdata/blockTrace_02.json

@@ -1,4 +1,5 @@
 {
+    "withdrawTrieRoot": "0x0000000000000000000000000000000000000000",
     "coinbase": {
         "address": "0x1c5a77d9fa7ef466951b2f01f724bca3a5820b63",
         "nonce": 2,

common/testdata/blockTrace_03.json

@@ -1,4 +1,5 @@
 {
+    "withdrawTrieRoot": "0x0000000000000000000000000000000000000000",
     "coinbase": {
         "address": "0x1c5a77d9fa7ef466951b2f01f724bca3a5820b63",
         "nonce": 3,

common/types/batch.go

@@ -0,0 +1,237 @@
+package types
+
+import (
+	"bufio"
+	"bytes"
+	"encoding/binary"
+	"math/big"
+
+	"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"
+
+	abi "scroll-tech/bridge/abi"
+)
+
+// PublicInputHashConfig is the configuration of how to compute the public input hash.
+type PublicInputHashConfig struct {
+	MaxTxNum      int         `json:"max_tx_num"`
+	PaddingTxHash common.Hash `json:"padding_tx_hash"`
+}
+
+const defaultMaxTxNum = 44
+
+var defaultPaddingTxHash = [32]byte{}
+
+// BatchData contains info of batch to be committed.
+type BatchData struct {
+	Batch        abi.IScrollChainBatch
+	TxHashes     []common.Hash
+	TotalTxNum   uint64
+	TotalL1TxNum uint64
+	TotalL2Gas   uint64
+
+	// cache for the BatchHash
+	hash *common.Hash
+	// The config to compute the public input hash, or the block hash.
+	// If it is nil, the hash calculation will use `defaultMaxTxNum` and `defaultPaddingTxHash`.
+	piCfg *PublicInputHashConfig
+}
+
+// Timestamp returns the timestamp of the first block in the BlockData.
+func (b *BatchData) Timestamp() uint64 {
+	if len(b.Batch.Blocks) == 0 {
+		return 0
+	}
+	return b.Batch.Blocks[0].Timestamp
+}
+
+// Hash calculates the hash of this batch.
+func (b *BatchData) Hash() *common.Hash {
+	if b.hash != nil {
+		return b.hash
+	}
+
+	buf := make([]byte, 8)
+	hasher := crypto.NewKeccakState()
+
+	// 1. hash PrevStateRoot, NewStateRoot, WithdrawTrieRoot
+	// @todo: panic on error here.
+	_, _ = hasher.Write(b.Batch.PrevStateRoot[:])
+	_, _ = hasher.Write(b.Batch.NewStateRoot[:])
+	_, _ = hasher.Write(b.Batch.WithdrawTrieRoot[:])
+
+	// 2. hash all block contexts
+	for _, block := range b.Batch.Blocks {
+		// write BlockHash & ParentHash
+		_, _ = hasher.Write(block.BlockHash[:])
+		_, _ = hasher.Write(block.ParentHash[:])
+		// write BlockNumber
+		binary.BigEndian.PutUint64(buf, block.BlockNumber)
+		_, _ = hasher.Write(buf)
+		// write Timestamp
+		binary.BigEndian.PutUint64(buf, block.Timestamp)
+		_, _ = hasher.Write(buf)
+		// write BaseFee
+		var baseFee [32]byte
+		if block.BaseFee != nil {
+			baseFee = newByte32FromBytes(block.BaseFee.Bytes())
+		}
+		_, _ = hasher.Write(baseFee[:])
+		// write GasLimit
+		binary.BigEndian.PutUint64(buf, block.GasLimit)
+		_, _ = hasher.Write(buf)
+		// write NumTransactions
+		binary.BigEndian.PutUint16(buf[:2], block.NumTransactions)
+		_, _ = hasher.Write(buf[:2])
+		// write NumL1Messages
+		binary.BigEndian.PutUint16(buf[:2], block.NumL1Messages)
+		_, _ = hasher.Write(buf[:2])
+	}
+
+	// 3. add all tx hashes
+	for _, txHash := range b.TxHashes {
+		_, _ = hasher.Write(txHash[:])
+	}
+
+	// 4. append empty tx hash up to MaxTxNum
+	maxTxNum := defaultMaxTxNum
+	paddingTxHash := common.Hash(defaultPaddingTxHash)
+	if b.piCfg != nil {
+		maxTxNum = b.piCfg.MaxTxNum
+		paddingTxHash = b.piCfg.PaddingTxHash
+	}
+	for i := len(b.TxHashes); i < maxTxNum; i++ {
+		_, _ = hasher.Write(paddingTxHash[:])
+	}
+
+	b.hash = new(common.Hash)
+	_, _ = hasher.Read(b.hash[:])
+
+	return b.hash
+}
+
+// NewBatchData creates a BatchData given the parent batch information and the traces of the blocks
+// included in this batch
+func NewBatchData(parentBatch *BlockBatch, blockTraces []*types.BlockTrace, piCfg *PublicInputHashConfig) *BatchData {
+	batchData := new(BatchData)
+	batch := &batchData.Batch
+
+	// set BatchIndex, ParentBatchHash
+	batch.BatchIndex = parentBatch.Index + 1
+	batch.ParentBatchHash = common.HexToHash(parentBatch.Hash)
+	batch.Blocks = make([]abi.IScrollChainBlockContext, len(blockTraces))
+
+	var batchTxDataBuf bytes.Buffer
+	batchTxDataWriter := bufio.NewWriter(&batchTxDataBuf)
+
+	for i, trace := range blockTraces {
+		batchData.TotalTxNum += uint64(len(trace.Transactions))
+		batchData.TotalL2Gas += trace.Header.GasUsed
+
+		// set baseFee to 0 when it's nil in the block header
+		baseFee := trace.Header.BaseFee
+		if baseFee == nil {
+			baseFee = big.NewInt(0)
+		}
+
+		batch.Blocks[i] = abi.IScrollChainBlockContext{
+			BlockHash:       trace.Header.Hash(),
+			ParentHash:      trace.Header.ParentHash,
+			BlockNumber:     trace.Header.Number.Uint64(),
+			Timestamp:       trace.Header.Time,
+			BaseFee:         baseFee,
+			GasLimit:        trace.Header.GasLimit,
+			NumTransactions: uint16(len(trace.Transactions)),
+			NumL1Messages:   0, // TODO: currently use 0, will re-enable after we use l2geth to include L1 messages
+		}
+
+		// fill in RLP-encoded transactions
+		for _, txData := range trace.Transactions {
+			data, _ := hexutil.Decode(txData.Data)
+			// right now we only support legacy tx
+			tx := types.NewTx(&types.LegacyTx{
+				Nonce:    txData.Nonce,
+				To:       txData.To,
+				Value:    txData.Value.ToInt(),
+				Gas:      txData.Gas,
+				GasPrice: txData.GasPrice.ToInt(),
+				Data:     data,
+				V:        txData.V.ToInt(),
+				R:        txData.R.ToInt(),
+				S:        txData.S.ToInt(),
+			})
+			rlpTxData, _ := tx.MarshalBinary()
+			var txLen [4]byte
+			binary.BigEndian.PutUint32(txLen[:], uint32(len(rlpTxData)))
+			_, _ = batchTxDataWriter.Write(txLen[:])
+			_, _ = batchTxDataWriter.Write(rlpTxData)
+			batchData.TxHashes = append(batchData.TxHashes, tx.Hash())
+		}
+
+		// set PrevStateRoot from the first block
+		if i == 0 {
+			batch.PrevStateRoot = trace.StorageTrace.RootBefore
+		}
+
+		// set NewStateRoot & WithdrawTrieRoot from the last block
+		if i == len(blockTraces)-1 {
+			batch.NewStateRoot = trace.Header.Root
+			batch.WithdrawTrieRoot = trace.WithdrawTrieRoot
+		}
+	}
+
+	if err := batchTxDataWriter.Flush(); err != nil {
+		panic("Buffered I/O flush failed")
+	}
+
+	batch.L2Transactions = batchTxDataBuf.Bytes()
+	batchData.piCfg = piCfg
+
+	return batchData
+}
+
+// NewGenesisBatchData generates the batch that contains the genesis block.
+func NewGenesisBatchData(genesisBlockTrace *types.BlockTrace) *BatchData {
+	header := genesisBlockTrace.Header
+	if header.Number.Uint64() != 0 {
+		panic("invalid genesis block trace: block number is not 0")
+	}
+
+	batchData := new(BatchData)
+	batch := &batchData.Batch
+
+	// fill in batch information
+	batch.BatchIndex = 0
+	batch.Blocks = make([]abi.IScrollChainBlockContext, 1)
+	batch.NewStateRoot = header.Root
+	// PrevStateRoot, WithdrawTrieRoot, ParentBatchHash should all be 0
+	// L2Transactions should be empty
+
+	// fill in block context
+	batch.Blocks[0] = abi.IScrollChainBlockContext{
+		BlockHash:       header.Hash(),
+		ParentHash:      header.ParentHash,
+		BlockNumber:     header.Number.Uint64(),
+		Timestamp:       header.Time,
+		BaseFee:         header.BaseFee,
+		GasLimit:        header.GasLimit,
+		NumTransactions: 0,
+		NumL1Messages:   0,
+	}
+
+	return batchData
+}
+
+// newByte32FromBytes converts the bytes in big-endian encoding to 32 bytes in big-endian encoding
+func newByte32FromBytes(b []byte) [32]byte {
+	var byte32 [32]byte
+
+	if len(b) > 32 {
+		b = b[len(b)-32:]
+	}
+
+	copy(byte32[32-len(b):], b)
+	return byte32
+}

common/types/batch_test.go

@@ -0,0 +1,99 @@
+package types
+
+import (
+	"math/big"
+	"testing"
+
+	"gotest.tools/assert"
+
+	"github.com/scroll-tech/go-ethereum/common"
+	geth_types "github.com/scroll-tech/go-ethereum/core/types"
+
+	abi "scroll-tech/bridge/abi"
+)
+
+func TestBatchHash(t *testing.T) {
+	txBytes := common.Hex2Bytes("02f8710582fd14808506e38dccc9825208944d496ccc28058b1d74b7a19541663e21154f9c848801561db11e24a43380c080a0d890606d7a35b2ab0f9b866d62c092d5b163f3e6a55537ae1485aac08c3f8ff7a023997be2d32f53e146b160fff0ba81e81dbb4491c865ab174d15c5b3d28c41ae")
+	tx := new(geth_types.Transaction)
+	if err := tx.UnmarshalBinary(txBytes); err != nil {
+		t.Fatalf("invalid tx hex string: %s", err)
+	}
+
+	batchData := new(BatchData)
+	batchData.TxHashes = append(batchData.TxHashes, tx.Hash())
+	batchData.piCfg = &PublicInputHashConfig{
+		MaxTxNum:      4,
+		PaddingTxHash: common.HexToHash("0xb5baa665b2664c3bfed7eb46e00ebc110ecf2ebd257854a9bf2b9dbc9b2c08f6"),
+	}
+
+	batch := &batchData.Batch
+	batch.PrevStateRoot = common.HexToHash("0x000000000000000000000000000000000000000000000000000000000000cafe")
+
+	block := abi.IScrollChainBlockContext{
+		BlockNumber:     51966,
+		Timestamp:       123456789,
+		BaseFee:         new(big.Int).SetUint64(0),
+		GasLimit:        10000000000000000,
+		NumTransactions: 1,
+		NumL1Messages:   0,
+	}
+	batch.Blocks = append(batch.Blocks, block)
+
+	hash := batchData.Hash()
+	assert.Equal(t, *hash, common.HexToHash("0xa9f2ca3175794f91226a410ba1e60fff07a405c957562675c4149b77e659d805"))
+
+	// use a different tx hash
+	txBytes = common.Hex2Bytes("f8628001830f424094000000000000000000000000000000000000bbbb8080820a97a064e07cd8f939e2117724bdcbadc80dda421381cbc2a1f4e0d093d9cc5c5cf68ea03e264227f80852d88743cd9e43998f2746b619180366a87e4531debf9c3fa5dc")
+	tx = new(geth_types.Transaction)
+	if err := tx.UnmarshalBinary(txBytes); err != nil {
+		t.Fatalf("invalid tx hex string: %s", err)
+	}
+	batchData.TxHashes[0] = tx.Hash()
+
+	batchData.hash = nil // clear the cache
+	assert.Equal(t, *batchData.Hash(), common.HexToHash("0x398cb22bbfa1665c1b342b813267538a4c933d7f92d8bd9184aba0dd1122987b"))
+}
+
+func TestNewGenesisBatch(t *testing.T) {
+	genesisBlock := &geth_types.Header{
+		UncleHash:   common.HexToHash("0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"),
+		Root:        common.HexToHash("0x1b186a7a90ec3b41a2417062fe44dce8ce82ae76bfbb09eae786a4f1be1895f5"),
+		TxHash:      common.HexToHash("0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421"),
+		ReceiptHash: common.HexToHash("0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421"),
+		Difficulty:  big.NewInt(1),
+		Number:      big.NewInt(0),
+		GasLimit:    940000000,
+		GasUsed:     0,
+		Time:        1639724192,
+		Extra:       common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000000214f8d488aa9ebf83e30bad45fb8f9c8ee2509f5511caff794753d07e9dfb218cfc233bb62d2c57022783094e1a7edb6f069f8424bb68496a0926b130000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"),
+		BaseFee:     big.NewInt(1000000000),
+	}
+	assert.Equal(
+		t,
+		genesisBlock.Hash().Hex(),
+		"0x92826bd3aad2ef70d8061dc4e25150b305d1233d9cd7579433a77d6eb01dae1c",
+		"wrong genesis block header",
+	)
+
+	blockTrace := &geth_types.BlockTrace{
+		Coinbase:         nil,
+		Header:           genesisBlock,
+		Transactions:     []*geth_types.TransactionData{},
+		StorageTrace:     nil,
+		ExecutionResults: []*geth_types.ExecutionResult{},
+		MPTWitness:       nil,
+	}
+
+	batchData := NewGenesisBatchData(blockTrace)
+	t.Log(batchData.Batch.Blocks[0])
+	batchData.piCfg = &PublicInputHashConfig{
+		MaxTxNum:      25,
+		PaddingTxHash: common.HexToHash("0xb5baa665b2664c3bfed7eb46e00ebc110ecf2ebd257854a9bf2b9dbc9b2c08f6"),
+	}
+	assert.Equal(
+		t,
+		batchData.Hash().Hex(),
+		"0x65cf210e30f75cf8fd198df124255f73bc08d6324759e828a784fa938e7ac43d",
+		"wrong genesis batch hash",
+	)
+}

common/types/db.go

@@ -0,0 +1,250 @@
+// Package types defines the table schema data structure used in the database tables
+package types
+
+import (
+	"database/sql"
+	"fmt"
+	"time"
+)
+
+// L1BlockStatus represents current l1 block processing status
+type L1BlockStatus int
+
+// GasOracleStatus represents current gas oracle processing status
+type GasOracleStatus int
+
+const (
+	// L1BlockUndefined : undefined l1 block status
+	L1BlockUndefined L1BlockStatus = iota
+
+	// L1BlockPending represents the l1 block status is pending
+	L1BlockPending
+
+	// L1BlockImporting represents the l1 block status is importing
+	L1BlockImporting
+
+	// L1BlockImported represents the l1 block status is imported
+	L1BlockImported
+
+	// L1BlockFailed represents the l1 block status is failed
+	L1BlockFailed
+)
+
+const (
+	// GasOracleUndefined : undefined gas oracle status
+	GasOracleUndefined GasOracleStatus = iota
+
+	// GasOraclePending represents the gas oracle status is pending
+	GasOraclePending
+
+	// GasOracleImporting represents the gas oracle status is importing
+	GasOracleImporting
+
+	// GasOracleImported represents the gas oracle status is imported
+	GasOracleImported
+
+	// GasOracleFailed represents the gas oracle status is failed
+	GasOracleFailed
+)
+
+// L1BlockInfo is structure of stored l1 block
+type L1BlockInfo struct {
+	Number    uint64 `json:"number" db:"number"`
+	Hash      string `json:"hash" db:"hash"`
+	HeaderRLP string `json:"header_rlp" db:"header_rlp"`
+	BaseFee   uint64 `json:"base_fee" db:"base_fee"`
+
+	BlockStatus     L1BlockStatus   `json:"block_status" db:"block_status"`
+	GasOracleStatus GasOracleStatus `json:"oracle_status" db:"oracle_status"`
+
+	ImportTxHash sql.NullString `json:"import_tx_hash" db:"import_tx_hash"`
+	OracleTxHash sql.NullString `json:"oracle_tx_hash" db:"oracle_tx_hash"`
+}
+
+// MsgStatus represents current layer1 transaction processing status
+type MsgStatus int
+
+const (
+	// MsgUndefined : undefined msg status
+	MsgUndefined MsgStatus = iota
+
+	// MsgPending represents the from_layer message status is pending
+	MsgPending
+
+	// MsgSubmitted represents the from_layer message status is submitted
+	MsgSubmitted
+
+	// MsgConfirmed represents the from_layer message status is confirmed
+	MsgConfirmed
+
+	// MsgFailed represents the from_layer message status is failed
+	MsgFailed
+
+	// MsgExpired represents the from_layer message status is expired
+	MsgExpired
+)
+
+// L1Message is structure of stored layer1 bridge message
+type L1Message struct {
+	QueueIndex uint64    `json:"queue_index" db:"queue_index"`
+	MsgHash    string    `json:"msg_hash" db:"msg_hash"`
+	Height     uint64    `json:"height" db:"height"`
+	Sender     string    `json:"sender" db:"sender"`
+	Value      string    `json:"value" db:"value"`
+	Target     string    `json:"target" db:"target"`
+	Calldata   string    `json:"calldata" db:"calldata"`
+	GasLimit   uint64    `json:"gas_limit" db:"gas_limit"`
+	Layer1Hash string    `json:"layer1_hash" db:"layer1_hash"`
+	Status     MsgStatus `json:"status" db:"status"`
+}
+
+// L2Message is structure of stored layer2 bridge message
+type L2Message struct {
+	Nonce      uint64    `json:"nonce" db:"nonce"`
+	MsgHash    string    `json:"msg_hash" db:"msg_hash"`
+	Height     uint64    `json:"height" db:"height"`
+	Sender     string    `json:"sender" db:"sender"`
+	Value      string    `json:"value" db:"value"`
+	Target     string    `json:"target" db:"target"`
+	Calldata   string    `json:"calldata" db:"calldata"`
+	Layer2Hash string    `json:"layer2_hash" db:"layer2_hash"`
+	Status     MsgStatus `json:"status" db:"status"`
+}
+
+// BlockInfo is structure of stored `block_trace` without `trace`
+type BlockInfo struct {
+	Number         uint64         `json:"number" db:"number"`
+	Hash           string         `json:"hash" db:"hash"`
+	ParentHash     string         `json:"parent_hash" db:"parent_hash"`
+	BatchHash      sql.NullString `json:"batch_hash" db:"batch_hash"`
+	TxNum          uint64         `json:"tx_num" db:"tx_num"`
+	GasUsed        uint64         `json:"gas_used" db:"gas_used"`
+	BlockTimestamp uint64         `json:"block_timestamp" db:"block_timestamp"`
+}
+
+// RollerProveStatus is the roller prove status of a block batch (session)
+type RollerProveStatus int32
+
+const (
+	// RollerAssigned indicates roller assigned but has not submitted proof
+	RollerAssigned RollerProveStatus = iota
+	// RollerProofValid indicates roller has submitted valid proof
+	RollerProofValid
+	// RollerProofInvalid indicates roller has submitted invalid proof
+	RollerProofInvalid
+)
+
+func (s RollerProveStatus) String() string {
+	switch s {
+	case RollerAssigned:
+		return "RollerAssigned"
+	case RollerProofValid:
+		return "RollerProofValid"
+	case RollerProofInvalid:
+		return "RollerProofInvalid"
+	default:
+		return fmt.Sprintf("Bad Value: %d", int32(s))
+	}
+}
+
+// RollerStatus is the roller name and roller prove status
+type RollerStatus struct {
+	PublicKey string            `json:"public_key"`
+	Name      string            `json:"name"`
+	Status    RollerProveStatus `json:"status"`
+}
+
+// SessionInfo is assigned rollers info of a block batch (session)
+type SessionInfo struct {
+	ID             string                   `json:"id"`
+	Rollers        map[string]*RollerStatus `json:"rollers"`
+	StartTimestamp int64                    `json:"start_timestamp"`
+}
+
+// ProvingStatus block_batch proving_status (unassigned, assigned, proved, verified, submitted)
+type ProvingStatus int
+
+const (
+	// ProvingStatusUndefined : undefined proving_task status
+	ProvingStatusUndefined ProvingStatus = iota
+	// ProvingTaskUnassigned : proving_task is not assigned to be proved
+	ProvingTaskUnassigned
+	// ProvingTaskSkipped : proving_task is skipped for proof generation
+	ProvingTaskSkipped
+	// ProvingTaskAssigned : proving_task is assigned to be proved
+	ProvingTaskAssigned
+	// ProvingTaskProved : proof has been returned by prover
+	ProvingTaskProved
+	// ProvingTaskVerified : proof is valid
+	ProvingTaskVerified
+	// ProvingTaskFailed : fail to generate proof
+	ProvingTaskFailed
+)
+
+func (ps ProvingStatus) String() string {
+	switch ps {
+	case ProvingTaskUnassigned:
+		return "unassigned"
+	case ProvingTaskSkipped:
+		return "skipped"
+	case ProvingTaskAssigned:
+		return "assigned"
+	case ProvingTaskProved:
+		return "proved"
+	case ProvingTaskVerified:
+		return "verified"
+	case ProvingTaskFailed:
+		return "failed"
+	default:
+		return "undefined"
+	}
+}
+
+// RollupStatus block_batch rollup_status (pending, committing, committed, finalizing, finalized)
+type RollupStatus int
+
+const (
+	// RollupUndefined : undefined rollup status
+	RollupUndefined RollupStatus = iota
+	// RollupPending : batch is pending to rollup to layer1
+	RollupPending
+	// RollupCommitting : rollup transaction is submitted to layer1
+	RollupCommitting
+	// RollupCommitted : rollup transaction is confirmed to layer1
+	RollupCommitted
+	// RollupFinalizing : finalize transaction is submitted to layer1
+	RollupFinalizing
+	// RollupFinalized : finalize transaction is confirmed to layer1
+	RollupFinalized
+	// RollupFinalizationSkipped : batch finalization is skipped
+	RollupFinalizationSkipped
+)
+
+// BlockBatch is structure of stored block_batch
+type BlockBatch struct {
+	Hash                string          `json:"hash" db:"hash"`
+	Index               uint64          `json:"index" db:"index"`
+	ParentHash          string          `json:"parent_hash" db:"parent_hash"`
+	StartBlockNumber    uint64          `json:"start_block_number" db:"start_block_number"`
+	StartBlockHash      string          `json:"start_block_hash" db:"start_block_hash"`
+	EndBlockNumber      uint64          `json:"end_block_number" db:"end_block_number"`
+	EndBlockHash        string          `json:"end_block_hash" db:"end_block_hash"`
+	StateRoot           string          `json:"state_root" db:"state_root"`
+	TotalTxNum          uint64          `json:"total_tx_num" db:"total_tx_num"`
+	TotalL1TxNum        uint64          `json:"total_l1_tx_num" db:"total_l1_tx_num"`
+	TotalL2Gas          uint64          `json:"total_l2_gas" db:"total_l2_gas"`
+	ProvingStatus       ProvingStatus   `json:"proving_status" db:"proving_status"`
+	Proof               []byte          `json:"proof" db:"proof"`
+	InstanceCommitments []byte          `json:"instance_commitments" db:"instance_commitments"`
+	ProofTimeSec        uint64          `json:"proof_time_sec" db:"proof_time_sec"`
+	RollupStatus        RollupStatus    `json:"rollup_status" db:"rollup_status"`
+	OracleStatus        GasOracleStatus `json:"oracle_status" db:"oracle_status"`
+	CommitTxHash        sql.NullString  `json:"commit_tx_hash" db:"commit_tx_hash"`
+	FinalizeTxHash      sql.NullString  `json:"finalize_tx_hash" db:"finalize_tx_hash"`
+	OracleTxHash        sql.NullString  `json:"oracle_tx_hash" db:"oracle_tx_hash"`
+	CreatedAt           *time.Time      `json:"created_at" db:"created_at"`
+	ProverAssignedAt    *time.Time      `json:"prover_assigned_at" db:"prover_assigned_at"`
+	ProvedAt            *time.Time      `json:"proved_at" db:"proved_at"`
+	CommittedAt         *time.Time      `json:"committed_at" db:"committed_at"`
+	FinalizedAt         *time.Time      `json:"finalized_at" db:"finalized_at"`
+}

common/utils/contracts.go

@@ -1,19 +0,0 @@
-package utils
-
-import (
-	"math/big"
-
-	"github.com/scroll-tech/go-ethereum/common"
-	"github.com/scroll-tech/go-ethereum/crypto"
-)
-
-// ComputeBatchID compute a unique hash for a batch using "endBlockHash" & "endBlockHash in last batch"
-// & "batch height", following the logic in `_computeBatchId` in contracts/src/L1/rollup/ZKRollup.sol
-func ComputeBatchID(endBlockHash common.Hash, lastEndBlockHash common.Hash, index *big.Int) string {
-	indexBytes := make([]byte, 32)
-	return crypto.Keccak256Hash(
-		endBlockHash.Bytes(),
-		lastEndBlockHash.Bytes(),
-		index.FillBytes(indexBytes),
-	).String()
-}

common/utils/contracts_test.go

@@ -1,40 +0,0 @@
-package utils_test
-
-import (
-	"math/big"
-	"testing"
-
-	"github.com/scroll-tech/go-ethereum/common"
-	"github.com/scroll-tech/go-ethereum/common/math"
-	"github.com/stretchr/testify/assert"
-
-	"scroll-tech/common/utils"
-)
-
-func TestComputeBatchID(t *testing.T) {
-	// expected generated using contract:
-	// ```
-	// // SPDX-License-Identifier: MIT
-
-	// pragma solidity ^0.6.6;
-
-	// contract AAA {
-	//     uint256 private constant MAX = ~uint256(0);
-
-	//     function _computeBatchId() public pure returns (bytes32) {
-	//         return keccak256(abi.encode(bytes32(0), bytes32(0), MAX));
-	//     }
-	// }
-	// ```
-
-	expected := "0xafe1e714d2cd3ed5b0fa0a04ee95cd564b955ab8661c5665588758b48b66e263"
-	actual := utils.ComputeBatchID(common.Hash{}, common.Hash{}, math.MaxBig256)
-	assert.Equal(t, expected, actual)
-
-	expected = "0xe05698242b035c0e4d1d58e8ab89507ac7a1403b17fd6a7ea87621a32674ec88"
-	actual = utils.ComputeBatchID(
-		common.HexToHash("0xfaef7761204f43c4ab2528a65fcc7ec2108709e5ebb646bdce9ce3c8862d3f25"),
-		common.HexToHash("0xe3abef08cce4b8a0dcc6b7e4dd11f32863007a86f46c1d136682b5d77bdf0f7a"),
-		big.NewInt(77233900))
-	assert.Equal(t, expected, actual)
-}

common/utils/flags.go

@@ -57,7 +57,7 @@ var (
 		Name:     "metrics.addr",
 		Usage:    "Metrics reporting server listening address",
 		Category: "METRICS",
-		Value:    "0.0.0.0",
+		Value:    "127.0.0.1",
 	}
 	// MetricsPort is listening port of Metrics reporting server
 	MetricsPort = cli.IntFlag{

common/utils/utils.go

@@ -1,6 +1,9 @@
 package utils
 
-import "time"
+import (
+	"context"
+	"time"
+)
 
 // TryTimes try run several times until the function return true.
 func TryTimes(times int, run func() bool) {
@@ -11,3 +14,31 @@ func TryTimes(times int, run func() bool) {
 		time.Sleep(time.Millisecond * 500)
 	}
 }
+
+// LoopWithContext Run the f func with context periodically.
+func LoopWithContext(ctx context.Context, period time.Duration, f func(ctx context.Context)) {
+	tick := time.NewTicker(period)
+	defer tick.Stop()
+	for ; ; <-tick.C {
+		select {
+		case <-ctx.Done():
+			return
+		default:
+			f(ctx)
+		}
+	}
+}
+
+// Loop Run the f func periodically.
+func Loop(ctx context.Context, period time.Duration, f func()) {
+	tick := time.NewTicker(period)
+	defer tick.Stop()
+	for ; ; <-tick.C {
+		select {
+		case <-ctx.Done():
+			return
+		default:
+			f()
+		}
+	}
+}

common/utils/workerpool/workerpool.go

@@ -0,0 +1,51 @@
+package workerpool
+
+import (
+	"sync"
+)
+
+// WorkerPool is responsible for creating workers and managing verify proof task between them
+type WorkerPool struct {
+	maxWorker     int
+	taskQueueChan chan func()
+	wg            sync.WaitGroup
+}
+
+// NewWorkerPool creates new worker pool with given amount of workers
+func NewWorkerPool(maxWorker int) *WorkerPool {
+	return &WorkerPool{
+		maxWorker:     maxWorker,
+		taskQueueChan: nil,
+		wg:            sync.WaitGroup{},
+	}
+}
+
+// Run runs WorkerPool
+func (vwp *WorkerPool) Run() {
+	vwp.taskQueueChan = make(chan func())
+	for i := 0; i < vwp.maxWorker; i++ {
+		go func() {
+			for task := range vwp.taskQueueChan {
+				if task != nil {
+					task()
+					vwp.wg.Done()
+				} else {
+					return
+				}
+			}
+		}()
+	}
+}
+
+// Stop stop WorkerPool
+func (vwp *WorkerPool) Stop() {
+	vwp.wg.Wait()
+	// close task queue channel, so that all goruotines listening from it stop
+	close(vwp.taskQueueChan)
+}
+
+// AddTask adds a task to WorkerPool
+func (vwp *WorkerPool) AddTask(task func()) {
+	vwp.wg.Add(1)
+	vwp.taskQueueChan <- task
+}

common/utils/workerpool/workerpool_test.go

@@ -0,0 +1,57 @@
+package workerpool_test
+
+import (
+	"sync/atomic"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+
+	"scroll-tech/common/utils/workerpool"
+)
+
+func TestWorkerPool(t *testing.T) {
+	as := assert.New(t)
+
+	vwp := workerpool.NewWorkerPool(2)
+	vwp.Run()
+	var cnt int32 = 3
+
+	task := func() {
+		time.Sleep(500 * time.Millisecond)
+		atomic.AddInt32(&cnt, -1)
+	}
+
+	go vwp.AddTask(task)
+	go vwp.AddTask(task)
+	go vwp.AddTask(task)
+
+	time.Sleep(600 * time.Millisecond)
+	as.Equal(int32(1), atomic.LoadInt32(&cnt))
+	vwp.Stop()
+	as.Equal(int32(0), atomic.LoadInt32(&cnt))
+
+}
+
+func TestWorkerPoolStopAndStart(t *testing.T) {
+	as := assert.New(t)
+	vwp := workerpool.NewWorkerPool(1)
+	var cnt int32 = 3
+
+	task := func() {
+		time.Sleep(500 * time.Millisecond)
+		atomic.AddInt32(&cnt, -1)
+	}
+
+	vwp.Run()
+	vwp.AddTask(task)
+	vwp.AddTask(task)
+	vwp.Stop()
+	as.Equal(int32(1), atomic.LoadInt32(&cnt))
+
+	vwp.Run()
+	vwp.AddTask(task)
+	vwp.Stop()
+	as.Equal(int32(0), atomic.LoadInt32(&cnt))
+
+}

common/version/version.go

@@ -5,7 +5,7 @@ import (
 	"runtime/debug"
 )
 
-var tag = "alpha-v1.2"
+var tag = "alpha-v2.5"
 
 var commit = func() string {
 	if info, ok := debug.ReadBuildInfo(); ok {

contracts/.prettierignore

@@ -3,3 +3,6 @@ artifacts
 cache
 coverage*
 gasReporterOutput.json
+src/libraries/verifier/ZkTrieVerifier.sol
+src/libraries/verifier/PatriciaMerkleTrieVerifier.sol
+src/L2/predeploys/L1BlockContainer.sol

contracts/.prettierrc

@@ -2,5 +2,17 @@
   "printWidth": 120,
   "singleQuote": false,
   "tabWidth": 2,
-  "bracketSpacing": true
+  "bracketSpacing": true,
+  "overrides": [
+    {
+      "files": "src/**/*.sol",
+      "options": {
+        "printWidth": 120,
+        "tabWidth": 4,
+        "useTabs": false,
+        "singleQuote": false,
+        "bracketSpacing": false
+      }
+    }
+  ]
 }

contracts/circomlib.d.ts

@@ -0,0 +1 @@
+declare module "circomlib/src/poseidon_gencontract";

contracts/docs/apis/L1ScrollMessenger.md

@@ -163,17 +163,6 @@ function owner() external view returns (address)
 |---|---|---|
 | _0 | address | undefined |
 
-### pause
-
-```solidity
-function pause() external nonpayable
-```
-
-Pause the contract
-
-*This function can only called by contract owner.*
-
-
 ### paused
 
 ```solidity
@@ -264,6 +253,26 @@ The address of Rollup contract.
 
 ### sendMessage
 
+```solidity
+function sendMessage(address _to, uint256 _value, bytes _message, uint256 _gasLimit, address _refundAddress) external payable
+```
+
+Send cross chain message from L1 to L2 or L2 to L1.
+
+
+
+#### Parameters
+
+| Name | Type | Description |
+|---|---|---|
+| _to | address | undefined |
+| _value | uint256 | undefined |
+| _message | bytes | undefined |
+| _gasLimit | uint256 | undefined |
+| _refundAddress | address | undefined |
+
+### sendMessage
+
 ```solidity
 function sendMessage(address _to, uint256 _value, bytes _message, uint256 _gasLimit) external payable
 ```
@@ -281,6 +290,22 @@ Send cross chain message from L1 to L2 or L2 to L1.
 | _message | bytes | undefined |
 | _gasLimit | uint256 | undefined |
 
+### setPause
+
+```solidity
+function setPause(bool _status) external nonpayable
+```
+
+Pause the contract
+
+*This function can only called by contract owner.*
+
+#### Parameters
+
+| Name | Type | Description |
+|---|---|---|
+| _status | bool | The pause status to update. |
+
 ### transferOwnership
 
 ```solidity

contracts/docs/apis/L2ScrollMessenger.md

@@ -212,17 +212,6 @@ function owner() external view returns (address)
 |---|---|---|
 | _0 | address | undefined |
 
-### pause
-
-```solidity
-function pause() external nonpayable
-```
-
-Pause the contract
-
-*This function can only called by contract owner.*
-
-
 ### paused
 
 ```solidity
@@ -294,6 +283,26 @@ function retryMessageWithProof(address _from, address _to, uint256 _value, uint2
 
 ### sendMessage
 
+```solidity
+function sendMessage(address _to, uint256 _value, bytes _message, uint256 _gasLimit, address _refundAddress) external payable
+```
+
+Send cross chain message from L1 to L2 or L2 to L1.
+
+
+
+#### Parameters
+
+| Name | Type | Description |
+|---|---|---|
+| _to | address | undefined |
+| _value | uint256 | undefined |
+| _message | bytes | undefined |
+| _gasLimit | uint256 | undefined |
+| _refundAddress | address | undefined |
+
+### sendMessage
+
 ```solidity
 function sendMessage(address _to, uint256 _value, bytes _message, uint256 _gasLimit) external payable
 ```
@@ -311,6 +320,22 @@ Send cross chain message from L1 to L2 or L2 to L1.
 | _message | bytes | undefined |
 | _gasLimit | uint256 | undefined |
 
+### setPause
+
+```solidity
+function setPause(bool _status) external nonpayable
+```
+
+Pause the contract
+
+*This function can only called by contract owner.*
+
+#### Parameters
+
+| Name | Type | Description |
+|---|---|---|
+| _status | bool | The pause status to update. |
+
 ### transferOwnership
 
 ```solidity

contracts/integration-test/ScrollChain.spec.ts

@@ -36,24 +36,25 @@ describe("ScrollChain", async () => {
     await chain.importGenesisBatch({
       blocks: [
         {
-          blockHash: "0xb5baa665b2664c3bfed7eb46e00ebc110ecf2ebd257854a9bf2b9dbc9b2c08f6",
+          blockHash: "0x92826bd3aad2ef70d8061dc4e25150b305d1233d9cd7579433a77d6eb01dae1c",
           parentHash: constants.HashZero,
           blockNumber: 0,
-          timestamp: 0,
-          baseFee: 0,
-          gasLimit: 0,
+          timestamp: 1639724192,
+          baseFee: 1000000000,
+          gasLimit: 940000000,
           numTransactions: 0,
           numL1Messages: 0,
         },
       ],
       prevStateRoot: constants.HashZero,
-      newStateRoot: "0xb5baa665b2664c3bfed7eb46e00ebc110ecf2ebd257854a9bf2b9dbc9b2c08f6",
-      withdrawTrieRoot: "0xb5baa665b2664c3bfed7eb46e00ebc110ecf2ebd257854a9bf2b9dbc9b2c08f6",
+      newStateRoot: "0x1b186a7a90ec3b41a2417062fe44dce8ce82ae76bfbb09eae786a4f1be1895f5",
+      withdrawTrieRoot: constants.HashZero,
       batchIndex: 0,
       parentBatchHash: constants.HashZero,
       l2Transactions: [],
     });
     const parentBatchHash = await chain.lastFinalizedBatchHash();
+    console.log("genesis batch hash:", parentBatchHash);
 
     for (let numTx = 1; numTx <= 25; ++numTx) {
       for (let txLength = 100; txLength <= 1000; txLength += 100) {
@@ -72,7 +73,7 @@ describe("ScrollChain", async () => {
           blocks: [
             {
               blockHash: "0xb5baa665b2664c3bfed7eb46e00ebc110ecf2ebd257854a9bf2b9dbc9b2c08f6",
-              parentHash: "0xb5baa665b2664c3bfed7eb46e00ebc110ecf2ebd257854a9bf2b9dbc9b2c08f6",
+              parentHash: "0x92826bd3aad2ef70d8061dc4e25150b305d1233d9cd7579433a77d6eb01dae1c",
               blockNumber: 1,
               timestamp: numTx * 100000 + txLength,
               baseFee: 0,
@@ -81,7 +82,7 @@ describe("ScrollChain", async () => {
               numL1Messages: 0,
             },
           ],
-          prevStateRoot: "0xb5baa665b2664c3bfed7eb46e00ebc110ecf2ebd257854a9bf2b9dbc9b2c08f6",
+          prevStateRoot: "0x1b186a7a90ec3b41a2417062fe44dce8ce82ae76bfbb09eae786a4f1be1895f5",
           newStateRoot: "0xb5baa665b2664c3bfed7eb46e00ebc110ecf2ebd257854a9bf2b9dbc9b2c08f6",
           withdrawTrieRoot: "0xb5baa665b2664c3bfed7eb46e00ebc110ecf2ebd257854a9bf2b9dbc9b2c08f6",
           batchIndex: 1,

contracts/integration-test/ZkTrieVerifier.spec.ts

@@ -0,0 +1,416 @@
+/* eslint-disable node/no-unpublished-import */
+/* eslint-disable node/no-missing-import */
+import { expect } from "chai";
+import { concat } from "ethers/lib/utils";
+import { ethers } from "hardhat";
+import { MockZkTrieVerifier } from "../typechain";
+
+import poseidonUnit from "circomlib/src/poseidon_gencontract";
+
+interface ITestConfig {
+  block: number;
+  desc: string;
+  account: string;
+  storage: string;
+  expectedRoot: string;
+  expectedValue: string;
+  accountProof: string[];
+  storageProof: string[];
+}
+
+const testcases: Array<ITestConfig> = [
+  {
+    block: 95216,
+    desc: "contract with storage",
+    account: "0x5300000000000000000000000000000000000004",
+    storage: "0x9505174b0709a2a1997fe9797cb89648a93f17ce0096cbc1a6ed52b73170b96a",
+    expectedRoot: "0x2dc794537b959b575dc216cd11389d802f9389fce7183278561a824aa8e950e2",
+    expectedValue: "0x00000000000000000000000000000000000000000000000111346048bf18a14a",
+    accountProof: [
+      "0x001988ce414103e97cb80613adde47d5fe0611b30087d1cfcdb84284c42907467e24ac744be2edcb86cdfc42a9bbb7b2a270649161c3ce3a41d3ad5a26927d2c79",
+      "0x0028db7c407cab6652f1f194401bd87bda33c9a1723b4f93515bd5929cad02668123fa5a3e69136c8e03a62c805f89c9d3578a6f5fac4bb281fc4d7df12fbcc5db",
+      "0x000376d1bfe3d5c6afffb5707a34003209c57fbf15430daf0f8022b4df2bb947460ab4fda7be343efd34af2420e8e9d4268f436cb7700a005086df4eba083407c8",
+      "0x0025df09dd66dd9d8b5b1abb82cee9985a2addd12e7f5671c910e27644ccaf498c2a2d7021169172e380831f43a00f0a3bef8576c7c74ac98fd7e7b1ec443ac92e",
+      "0x00218d51f8e754bf89062007dd765b50b7385bbb4a57db258ac8dcf9ad69b6f4552ddc5a17cec74d8e8f06e16c0a6112023c34d6c001060bc783ab4d06a4a9801a",
+      "0x001166c2eedfbbb4568ec27c57b2729437c0c8c38161fad643f03f76fbd807e712286d86bfdceb6729daedb6f219dd0f6080386d9a2a8f9c1dcb89792c8754e125",
+      "0x0028fd666ed406e277f6496bcac13af8b303b58c74be937399095399f4dd141c6f2876f81684c2546ff90b221ba2fe1290e671770af08fd545868e3351401b1503",
+      "0x000b9245c7ccc1eab305d40cced5e8aac6c8ddb877451075185bb7a6c1a4973a5d2852ce761c8e417a5f604a6ef4196ec101014aa1d1e4c684d1b5b8cbec5c37b1",
+      "0x0019755e50ef22e13ae17cbc33d9e708ee9efc011941b3a920bc65da9825b04eb029a43488e5584b68d1a98a215f03f31e063734a3305600f9feed11607271d0d3",
+      "0x002e10cc0afbf5b336e6a6eeae0c863df7a7c2ba61c599618fb973aeff397918e523b18c08a19fa6bc964ae41c56af610ab43d948db94ad2543e9807a5a0f1d2f0",
+      "0x00247f3f0cebebf749e27c8ffd81e9919cab114bd3d75029e3260e99b6c7fe551d06a69531144f521b68d1a2c7450f5a20146efdaf7b47271782bb8746a023cf84",
+      "0x0029ad88f0ee7198edcae37ab88efb2a27ea8956d6b988264b227843c175743c4329916ead363e6adfc27f400977d2d9efb1f896616a18d71e2702ec8201b82c57",
+      "0x002a1de55ee84561850354085516a1101705f8240b8f1e1f9aea3a464650d637a52fad2de438ac5851b0e28508af90bd385dbcad5df8ea23ca78792f094ff7ca0d",
+      "0x001ba118afa1977f1fda1411cd1c7f145ab97a35b1e724060d5cfc3d58b27141ee2b0a8dbf3d494c6a1bf6456c4de00de8e2f0d9be0716a3ca78d4df28948f975b",
+      "0x0025bdbf508c1e3808415136bfdd6dfb548c33348d813882b0d405913405d575010c60f95c658dc8113f7c97935a35d78c23dba131c25866fc8d93920e318d2450",
+      "0x0007bc3ec4d80df884c4d87f4541ffa522046a4c52e6cccb9ff7376ff56149e5d21b87a56676f679f4b8b4478c8a3aa80a09127258cccd4aa373a5c7c2344d2d03",
+      "0x010aef26efde9e4bca477d460482bce3de3577f6e9a280dea6d3f9985b4151deab0508000000000000000000000000000000000000000000000000071d0000000000000000000000000000000000000000000000000000000000000013328350573dd32b38291529042b30b83bf20bfc7e18ab6a9755e2ea692d5a7644f896b0d629cf9740d72ccbc90dd6141deb3fab132f1ebc17ab963c612c7123d5a524d0158cc8291b081281272d79459760d885ea652024615d55b114b5872571b21aee99977b8681205300000000000000000000000000000000000004000000000000000000000000",
+      "0x5448495320495320534f4d45204d4147494320425954455320464f5220534d54206d3172525867503278704449",
+    ],
+    storageProof: [
+      "0x000a52b818e0a009930d62c17f2b1244179b7c14f8e1ae317fb3bfd3a3ba6060031b2a4aa2df31e79f926474987eea69aab84f4581cfd61b0338438110f6be145b",
+      "0x001684ff1ef6ea054c5a6a5cae45f9280dacfc10c6cde39d1f64a00ad3c77549fe1c14ff8a628c0244ba48d63610e5d0b514c1b7b60301b6f27f77a435caf8bd60",
+      "0x001a2ba0ad7d6447d3c2476aa2e6bd04ab552ac1840450ce11f338f58a80fcdf420df4b9fc89108a0a44d844d981abe44d5ab20a5a101d07e94d131f07bf83ba62",
+      "0x0007158ec8942174c68bde0ab3666eb29b3c5784693bbfcd21126789d98bbdd05409f0313df8ddc438abe4798854f30c9daa2274950ce833a2de21e09b8b2c11b2",
+      "0x000ab27b84c73e447618f030ad9d621b0d61cc783e7ae5671ffcd3ff479b5093fe173d6126fa71986aa679b5384a2dc25f3a15f806a546e933f9fda6ac0a3460d9",
+      "0x0024ca9a7c6b7bf77c7a7acdae9d8e551b08ec6adf30abb7d1c45a6bbd5058ea921802170d5cc7de7d294cf6c67b0ac0208fe76497803554fb5bba9f78721568eb",
+      "0x0018a60c68b26022ced26cce2be1af1d6b33f4c16596d1ba18d5f47fea98ae490b12e66678391e289de1cf981c122e765265b94f0669614d94847480a77c2d3b74",
+      "0x001a776d5e5902c9a073c86a71ee80d167d6e2eb92150df2afb3d87f18b2cce6f02af158ba1cfbc643b36c1e001b59473cc88663b44c8d70739a27b804ec387146",
+      "0x0012cd2c1070b0d2eb215eb760fba9b843bd5c732102ce9773701076b0e37a437e136901c4ddc1cdbef42f46af629296ca5965b41a53cce65237612cea27477076",
+      "0x002bf94aa1fcb474365039e949bbbeabe0162ffc490b1b63ffe0f84bf182a8bf16169fe345e742d176a80f6e733177736d93e40fc9fdd4866efa6cc45ad94e9577",
+      "0x001a2e6e1b585fa0564fc606c3d62c26d9a113d75430966ff3f500e450c762edeb24fb1e5456ed4313d9418a1b073ae8b3f852f0f8435752bbbe65d21726ddb873",
+      "0x002529704fb28f7d3f9d2f3e9d38b000b6bfc2a21cb0a1955797016536066307d70ba7397326ecf50b98153f9e3baa96608efdf7d772b1ff28649bef677860dba9",
+      "0x0022f4f22a1d85ac83a56e7031559cf874c78a2f2ee6b6b93625f588313964a6d0052f6c873c6417d409c2a5317b31449b36fb4faede558d03b448b06b4a198daa",
+      "0x0017167b295954b29f62d7347dab3158aedc8586d5aa233d3f69c14bc7fe31eb840000000000000000000000000000000000000000000000000000000000000000",
+      "0x002d7bed0c0f0318a6fc60f903f4a42841cc4fa431ddf1a97fc34f35d6a267434b2a1a818d75328089a9578143e31b1f535517e09ff50a728b100483e712c8bc9a",
+      "0x0126ae15b478408eb45ea8b6f61aad1345f2b6257efd1acc4a6024b26f664c98240101000000000000000000000000000000000000000000000000000111346048bf18a14a209505174b0709a2a1997fe9797cb89648a93f17ce0096cbc1a6ed52b73170b96a",
+      "0x5448495320495320534f4d45204d4147494320425954455320464f5220534d54206d3172525867503278704449",
+    ],
+  },
+  {
+    block: 95216,
+    desc: "contract with empty storage node",
+    account: "0xb75d7e84517e1504c151b270255b087fd746d34c",
+    storage: "0x0000000000000000000000000000000000000000000000000000000000000002",
+    expectedRoot: "0x2dc794537b959b575dc216cd11389d802f9389fce7183278561a824aa8e950e2",
+    expectedValue: "0x0000000000000000000000000000000000000000000000000000000000000000",
+    accountProof: [
+      "0x001988ce414103e97cb80613adde47d5fe0611b30087d1cfcdb84284c42907467e24ac744be2edcb86cdfc42a9bbb7b2a270649161c3ce3a41d3ad5a26927d2c79",
+      "0x0028db7c407cab6652f1f194401bd87bda33c9a1723b4f93515bd5929cad02668123fa5a3e69136c8e03a62c805f89c9d3578a6f5fac4bb281fc4d7df12fbcc5db",
+      "0x0006801926f00b574e3a88162d192482fecba9918b77e133dd77587d9efaf5c7861712d244ac8ad4bc0bffe0dbe8ab261865c9a69b4b7769e9c188ec048460ce78",
+      "0x002f3161746c2c70c7cefb74c07bc16b28bd9011343f5c6f8756471cd0b184601a25d05d5447a572452964b3c20f40ef841bf313c958e82a6923584e20496df67f",
+      "0x000efef3e3e174da6f3f451b5a2652d2489fff449a217c10841e68e4a15995d6521c4b1552c592020fbc7219c5d67ff00bd630db8102ce5c6ca12bea29b80ba5e5",
+      "0x0019b4749b17792c0ad9f7b460a0faf35400da9423be38ac5c40e81c805acc72592c0b933e1c25d05db98d98fc4f04b27610b2ee88281126099aed42f27cd96b00",
+      "0x002b8d563c5041f28afa38da01b6ec9e7278250be79f7f55e2586955e75ab75fad2055ea72cd44209c41c94ddfb980fe5b007b3e997085bc1fe5b514f72f860c05",
+      "0x001335698617876fcc272740f765d53d53ee511dc9dc33965aaa0a5584f2f0fc02274c435ba9cc0fd5b897350de8cc1837d3a2baaa54ef3f9c66f689f20eddaf1a",
+      "0x0010f766b8dbe13e3f27f45da3ad7e5c31fd1c11c51f4f892851519182cdc9348921c10d83a16e057f99623dcd68ab28a78e48b655df756245631521d04e85e583",
+      "0x002bb5fce9df47073438d61ee438d900ab4ab01ac7f053e57c6ffe3e8f1746285016a600e6b7ee90281bbc3bd9b9523a663261cda2208ae98efcf76df8c965fb76",
+      "0x002cad2eb5194b59d880565b03cd667a842923c1310a60bd818685c8fe4120d86817ee8bfffdb490f78f23d6fb38bb1c27f10f877c5017b8b2c21ad14f23df0eab",
+      "0x001f064044ca94d6f30ef93ee1bb6ae35450acf1c8f5b113b0f0ff39e4b65cfb9a25141ae7fc30c69000991e65c626c1b12fb76bca02c68f8116d15698a5934b71",
+      "0x0014382fa3481f424cc33c39f77fd3df54c5951be347c629ab5baec238e46cab050b2b8bec8ebdbc97dd6c0ab867aae5746e51b69b7b8177c96dbc0c4531521d3e",
+      "0x0011941db7a46d1a3ddbd27a4a57a0ce1865b6e224552b233d9d545745489257f408c8e3a0a147e117dbb89827018a2df52d124cee29e82b15643e4877cabe4d06",
+      "0x0000d7b8f99e5f148297bf4bf7e5133f87dbdf1932dbb152e0cb14c472c7d26f26146c4f72b903bb98b0855c1ca5bef4bada14a773dcda341d10402004e999d757",
+      "0x0104eeb1fce36df4d3f6423137af3855d16bc936184295529c58682bb5217d64d905080000000000000000000000000000000000000000000000000867000000000000000130644e72e131a029b85045b68181585d2833e84879b96ea2850beb8e012d423615fd9926356a5b1f3a4599c7cccd6df3b45097b6527756e572b90fc8c40496f831f2125c021fb94759cb1993a2f07eae01792311e13f209441ff8969cf1eb8351cafbbe8f01ed4c292d9a27be523919a274441a076b20c7d713d192dbe6485c220b75d7e84517e1504c151b270255b087fd746d34c000000000000000000000000",
+      "0x5448495320495320534f4d45204d4147494320425954455320464f5220534d54206d3172525867503278704449",
+    ],
+    storageProof: [
+      "0x000c180cb3d57f72eb405dfc667d167967e4709cf3722a87b4c924f78a1d8fa9e926d16eb1f4902f8ac7a48fdf98274c9c4061f9f14f783e2fb41ef50c53d5f8ad",
+      "0x000f78c968ee196c478c91d12a48edfde6c630d40203652c6420ff5aa3619549a4297615606d62866169d509f77c9cb38751ae282cafdc27caf891585b383b4795",
+      "0x000798716960783afdcfd0749aa3b316d6e3d6ec2724853e629b42b5a9a10208e02e5f5fe3d5b8b823d3481aa1e738a1a24d6d1a63116e0003044672d73a7df2e4",
+      "0x0014748f61c4954d239225204b4611d66384f08ef03db3da82957fd590ee00b6c92b873e4bd217f8dfb0fa29bca1087ac7bc29db616a6830ba456091bab772ac06",
+      "0x000a1c900952239e98f5f1a3009e623bf6cf533d3b0d6d13d28d04f0496761927c0be199ff86f081ebb1c413e850450a4cce01dfd2c455156d7abde31385ae2ab8",
+      "0x00028d4e89bc6ce55b5e6bba0f2f3758dafcdb4722e6c1a06f6faa8bae065bc8ae0644641c0ac696c265b3ec90889e3842c9a7a5902f1a5e807c5767ed49106982",
+      "0x001e8434bf68ee6077d88efb5449ad286455a522e63a6bce5544cf785b77a5842d041a4e324bc47aa8ae42b56446f687758a8091986b6d760fd283a9e097a64e3a",
+      "0x00250bc6ba916a2acb3ce53053a88be40b815fa749d144dc709a7a46a08361e83c05b2b5b05f45324ab921e04ae1278371ebe1e092203259f4e5306eb46ad50f8c",
+      "0x0011c208e2c536c37674b1ecafff0261146c326c939544781da7062bbd0ac2fbca246f5225dc41e9fc17fe531f5bdc3325620e4003b3310a2cf7e31011b19c68a2",
+      "0x001dc8d4177945ac89a3c61977ed787e50c9d8a0c5d85dd6b1409ec11213b324e6228005b222573db7882205be776a5bd2183944b6fcf63af604e31b9285bd010e",
+      "0x0014ba74da33d2ca27e3f78bc1bd052c2b92176ce4136df751a8229051de383c2b0c8994f02704420f1f84963281364401d00f6d5aa9b6f52135bd96159c1c3b9b",
+      "0x00188c7ee45a6c28fa7ad49a86206b70764066b1888b0de90e4410d7132a641f8b0eecbba072e28ed6705379104e30dd2557c47b30be7dd5e8c893b8a641d02701",
+      "0x0010fb29a3bb8191eb03bd345ad1995bf6a57f09929f72dc8a9c42435c2eef734b1d565bfc8ae78d6c1496f2bdfeadff6890e8ddef4c6b730a5ec8575344800c90",
+      "0x001b2abe5a1352c492c3ac47d2ff93896977a99a0783eedadc6246efc9b4e78ab408291f4e9234e4662a365f40090e1b323e3448fa2f6cdc9c929477095499c323",
+      "0x00083b5711eb1cbba5e79c53227057d4987a22dd22b5ef715bf21f558917f48b17027f174fd4ca77e412ca65a7fbf6151e4473fa909ea384c7687b45f860d0103a",
+      "0x00100158ee54f61ba5b093a43a348cfd202c87ba1533af2b24fc2f068de89a8d15100f3cc72c206d05d44db4272bd67db89bc6e5c86d7c1b03b40395ec4661595c",
+      "0x002a15c17fcf2a10c6d1bcbd59ae262f80ad33518d499059a668e115045069ef012788a404ba41b5f8a96f0b294d0ba91e65b1bf58eee74adb8e55ca12f22fdccc",
+      "0x00031177585837e616bc830056a4bd12821c9c779096df361ebe1d77379e96ff9e0000000000000000000000000000000000000000000000000000000000000000",
+      "0x02",
+      "0x5448495320495320534f4d45204d4147494320425954455320464f5220534d54206d3172525867503278704449",
+    ],
+  },
+  {
+    block: 95216,
+    desc: "contract with no storage",
+    account: "0x9c0fc47d9346e2be1e24f6cef76149779fe52715",
+    storage: "0x0000000000000000000000000000000000000000000000000000000000000000",
+    expectedRoot: "0x2dc794537b959b575dc216cd11389d802f9389fce7183278561a824aa8e950e2",
+    expectedValue: "0x0000000000000000000000000000000000000000000000000000000000000000",
+    accountProof: [
+      "0x001988ce414103e97cb80613adde47d5fe0611b30087d1cfcdb84284c42907467e24ac744be2edcb86cdfc42a9bbb7b2a270649161c3ce3a41d3ad5a26927d2c79",
+      "0x0007af09eec4d7cc8903e99bd9fb9b8e57c30b0c3e34b17da769b01a9a1b943f391c4537228dbbfd7e7cce02123416bfdd61fb83577725516123b569eafcd8087d",
+      "0x0013a22efa6a843f6de1925fce2f6a83c7ed307182b16f661d0e7a8046561999393050830a440d2506adf42ccedece4e3aadc6bc80cea20fc1d8ed9e9c61597da0",
+      "0x001056a19427eac81b91de5db696812b3a0384bf41b37a12e9cbb7dc62404a102a1465c13c8d3721e137a64d9e5ba1267ac418339b3648bfab5a2a86f2343c2b4d",
+      "0x000794d2c0e19bc86772c2d1a43d46de87ad221847bddcfdffa19dbd34f3c3a9b507c5f198eb63c18640af5eff5480830147639cec070d276b778f21677d22ce32",
+      "0x000b23d93f98ec6e3536ffcab6afc6e2eb9b73aeb573d288723350366c05469e2e23837ffea9235351ee533af680d14011825e098f81ce3f8f59e9f08deff05e3d",
+      "0x002ad200ac8be8275ef12b8aeaec526d2b5255128968a2cd2ff775cab14e2ec4e907f2e9b849239e0e94332a50ac9d97320c56ca718c5e023cacd69f80b4c97c86",
+      "0x00284be135a2d7f5822a7949189b90696df39b1b183206c764576bf457df4fd1560204a9fc6c0dc199eecb404acfcabf4a633916fc94d2790dcd34959809c2195d",
+      "0x00270c2cd154aea3b575a1c7d47c62576bbdce6bbc7ccf5682e7962cf6cb77f0d317fdbac10917644860584c3057c750df695f529189f90910c30f114257719990",
+      "0x00174956df87889921e2a6ddb257fa84508fd7ea22c5a622b84378678e781a2289053dc6b3c4f91335b64f4b170bfe70bb5e2e316227b329d2b1205e7c62c4f755",
+      "0x002f9284ded18b8f281841094a93cb55b95884eec55d8eaa759c6175ddb2e037111c63bcee8ccf544fff55c3e502270e574d1f0b6265c4c7c6f42db5061b0120db",
+      "0x00065fdf05e66407d26a36a49d042c9c5e8cebab3baa2d3fd1ae6e673c3636cf7e2d9dbf3781e3f26f06fb503638a8bf00882f58dc83500338df4b7e08a290a5fb",
+      "0x00138987046c770f02f5d8e7d073f6c055536450fa55ccd2a23957598b6070297926f3a0b645072c5bd5c15cdcf03a4474e94d760e3a76fb8714b20b9d74608823",
+      "0x00280e7f8e278e02e43843aaba5a9a722a89af0ece06b5892284f825974e1c1984185be1fda9b5322a4c41023127eee438849ea23390e6c2d4d9abdedb5a1a43fc",
+      "0x00208f32072c6e20863710406ad34339da1124c639941e935818dd9ad9419849c91e0e37873df7eb190a2846789df889bbfd522200e2a41423ff9ab0acf2592be0",
+      "0x0005fb23491fabbc9b3eead71117b86a27952e8fd4b3380336ac3f479832e94bad109a1b6dca757696b8831d2529ffda29f37af36f92fec738376df77561491083",
+      "0x0028baee42b4a9a70b7ec1e50ea1a6817f812082a28598dca106aaecf2761fb63c06e5b589490c27f5cfc233890456ec47a7365ff2882a27c73968f4829d011b05",
+      "0x001708247f7a96b84cad27c31985cd39b6cc9435b4ec3f4db9aeed3311c213de651e2f271ae0fa011e5e6fccd121492400327efb915c95d85956a9cd27ceb4321a",
+      "0x0000000000000000000000000000000000000000000000000000000000000000002332e856217b3bab09901f1daa9ddc91edf56964e03675d260d00ffdf6e2e715",
+      "0x000571dce6fee951f457db89bae18abbd78b6b06504602a103133d2a38cabf5f5b1ecb13b03e3493e217c65da70baf4c4fad74808110658924869ba0e75d0871db",
+      "0x001738a6461148300d30699edb55d3b5bb62760aeb9384c07d61aa062c401f3a7d0000000000000000000000000000000000000000000000000000000000000000",
+      "0x000c14152707412177bbe1cfed882d7d7bdfca4e96be701a3c41bb3d254491f0bf0096ebc25015b9a40d4fe7490bda8ecb7f3a01e858d7833dce8f1993be4db07d",
+      "0x0117294cb69b0984b3a26d77eae252f9d8e438808bf276ee8c0c0546b7316c9bca05080000000000000000000000000000000000000000000000000ab1000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000ed3aa0dd2cd363d4cea5d5283ec359f75be36a12ceddc7f80a58af9d39a418a02b6a0ff9eb34bf0e52f67047f95556a96c4f40822412da0c8bd0340996a754f4209c0fc47d9346e2be1e24f6cef76149779fe52715000000000000000000000000",
+      "0x5448495320495320534f4d45204d4147494320425954455320464f5220534d54206d3172525867503278704449",
+    ],
+    storageProof: [
+      "0x02",
+      "0x5448495320495320534f4d45204d4147494320425954455320464f5220534d54206d3172525867503278704449",
+    ],
+  },
+  {
+    block: 95216,
+    desc: "EOA with balance",
+    account: "0x0384a6f7e2588bb251688f9ab8d10932a98e9f28",
+    storage: "0x0000000000000000000000000000000000000000000000000000000000000000",
+    expectedRoot: "0x2dc794537b959b575dc216cd11389d802f9389fce7183278561a824aa8e950e2",
+    expectedValue: "0x0000000000000000000000000000000000000000000000000000000000000000",
+    accountProof: [
+      "0x001988ce414103e97cb80613adde47d5fe0611b30087d1cfcdb84284c42907467e24ac744be2edcb86cdfc42a9bbb7b2a270649161c3ce3a41d3ad5a26927d2c79",
+      "0x0028db7c407cab6652f1f194401bd87bda33c9a1723b4f93515bd5929cad02668123fa5a3e69136c8e03a62c805f89c9d3578a6f5fac4bb281fc4d7df12fbcc5db",
+      "0x0006801926f00b574e3a88162d192482fecba9918b77e133dd77587d9efaf5c7861712d244ac8ad4bc0bffe0dbe8ab261865c9a69b4b7769e9c188ec048460ce78",
+      "0x002f3161746c2c70c7cefb74c07bc16b28bd9011343f5c6f8756471cd0b184601a25d05d5447a572452964b3c20f40ef841bf313c958e82a6923584e20496df67f",
+      "0x0007602275f17f6c339ec3febc879c2ca72efa782ff1888b04553f82333eb0e60c068c8e4fe6da32f7f80a4acb50b690a7204581e5e4b8e9e7daa115dfcb466ae1",
+      "0x000cb512d4ab158b5e7d5852cc7531788f11e64e5959cc1233d7a64eaaca36426116fea9120cf06c241843db50d81978b402281dfe15ba7d8a8c689bfbe0b31a1a",
+      "0x002eb4fff0642f7be6d8e95793d9371d606df48efd0b62a7eb01b0a9669307be2b0ee7d01463afc3dac441f66e675ba06fec67b692e3f7a46510d096836468a3cb",
+      "0x0003ea09dc5b0ca3ce2961d3200c09b837ea535447e3ba45e5583dbb4e9db48b2208abfec237c907584104b11444f55fa3fa7e6f6a5954817ecea6361516f0271b",
+      "0x001c654478a700ac0414f5cd8da557e04f9570939802c3963e801523f001ebb4d916d301b50f89760520da2a662b03a207e9372902153ba84ef0f5438472f466c6",
+      "0x0009f3b0d95ec5d88cfc2db19520f43d110d12c757a58ae7f578095de96e5d319d2c8f43a67b0c01008670f07eb53071b835f19cbb45d6e76281a083087217d988",
+      "0x000348f024d617f64de7be803547c109b98f833b090e8a3dea0c2bed201ce752c12a4fb71f098941741c42e156651d8a42632e3acbf6f14cd9763b50216af75d61",
+      "0x0029f85b49319fe7dfced69a258b1baf213d638fe3082b9a13f38e553e9d3269333054c4cb6d1e91bc2dfced1559b58cd6474ac6583a1fc5a2bef5eaa7b96ecea0",
+      "0x000a4d19e2ec5f98d9ccdc1e94d9334668b87ea451195f9a8319b98cfdb077c5ce1adc64852505188363c7e98b83501e876862d8ffbd8b4051f3cb6dde7f0e8afe",
+      "0x002568d5d87f19b2b3f2b7341ee61fb45f56dc76734beaa4f1a9865b80b9d9a7d500a191ba054a28841f25c34ad384817a2af2ebada6047517dbb2b6a1338e48c7",
+      "0x0027f6df1a3610c7447efd280fa6a949713456a1ba79b50dc7fb87c5cb3312b19311b3c9c4420874b02bdc1ea102dc77bb803c1a5042d565aea99054ae0eb816b2",
+      "0x0018a3d33e2c0d076ca4ddb093516d90cb8ba8b508e8d372d3a8a93aa9eef6079b138df6cb61c8f92dcbea8cd90ead1efa49f3a24f814c88a7bdca8fd83f4d0675",
+      "0x00268f3122e558d5084a1b3ffc293b67bd2436152fbee80566226d4a753b5b44c40b6d06e2f5f17009a7e146889c2f492b077a462d602e0e72f53373a154aa450e",
+      "0x0006c81bc9375fe1a0ebb75b151c8a321b85970c1a8a5aa7396a7076a4d6f26c8118a7e9e0987d7c6d0100180c9ba496db2b967f6acf7bc11d002314693416b3bf",
+      "0x011fb221b659992b8d98a645cb37666f934ded70f1f5d82dad67dace71d7191f8105080000000000000000000000000000000000000000000000000000000000000000000300000000000000000000000000000000000000000000000d8d6f2b3da41cda2e0000000000000000000000000000000000000000000000000000000000000000c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a4702098f5fb9e239eab3ceac3f27b81e481dc3124d55ffed523a839ee8446b64864200384a6f7e2588bb251688f9ab8d10932a98e9f28000000000000000000000000",
+      "0x5448495320495320534f4d45204d4147494320425954455320464f5220534d54206d3172525867503278704449",
+    ],
+    storageProof: [
+      "0x02",
+      "0x5448495320495320534f4d45204d4147494320425954455320464f5220534d54206d3172525867503278704449",
+    ],
+  },
+];
+
+describe("ZkTrieVerifier", async () => {
+  let verifier: MockZkTrieVerifier;
+
+  beforeEach(async () => {
+    const [deployer] = await ethers.getSigners();
+
+    const Poseidon2Elements = new ethers.ContractFactory(
+      poseidonUnit.generateABI(2),
+      poseidonUnit.createCode(2),
+      deployer
+    );
+
+    const poseidon = await Poseidon2Elements.deploy();
+    await poseidon.deployed();
+
+    const MockZkTrieVerifier = await ethers.getContractFactory("MockZkTrieVerifier", deployer);
+    verifier = await MockZkTrieVerifier.deploy(poseidon.address);
+    await verifier.deployed();
+  });
+
+  for (const test of testcases) {
+    it(`should succeed for block[${test.block}] desc[${test.desc}] account[${test.account}] storage[${test.storage}]`, async () => {
+      const proof = concat([
+        `0x${test.accountProof.length.toString(16).padStart(2, "0")}`,
+        ...test.accountProof,
+        `0x${test.storageProof.length.toString(16).padStart(2, "0")}`,
+        ...test.storageProof,
+      ]);
+      const [root, value, gasUsed] = await verifier.verifyZkTrieProof(test.account, test.storage, proof);
+      expect(test.expectedRoot).to.eq(root);
+      expect(test.expectedValue).to.eq(value);
+      console.log("gas usage:", gasUsed.toString());
+    });
+  }
+
+  it("should revert, when parent node invalid", async () => {
+    const test = testcases[0];
+    test.accountProof[0] =
+      "0x010a52b818e0a009930d62c17f2b1244179b7c14f8e1ae317fb3bfd3a3ba6060031b2a4aa2df31e79f926474987eea69aab84f4581cfd61b0338438110f6be145b";
+    const proof = concat([
+      `0x${test.accountProof.length.toString(16).padStart(2, "0")}`,
+      ...test.accountProof,
+      `0x${test.storageProof.length.toString(16).padStart(2, "0")}`,
+      ...test.storageProof,
+    ]);
+    await expect(verifier.verifyZkTrieProof(test.account, test.storage, proof)).revertedWith("Invalid parent node");
+
+    test.accountProof[0] =
+      "0x000a52b818e0a009930d62c17f2b1244179b7c14f8e1ae317fb3bfd3a3ba6060031b2a4aa2df31e79f926474987eea69aab84f4581cfd61b0338438110f6be145b";
+    test.storageProof[0] =
+      "0x010a52b818e0a009930d62c17f2b1244179b7c14f8e1ae317fb3bfd3a3ba6060031b2a4aa2df31e79f926474987eea69aab84f4581cfd61b0338438110f6be145b";
+    await expect(verifier.verifyZkTrieProof(test.account, test.storage, proof)).revertedWith("Invalid parent node");
+  });
+
+  it("should revert, when hash mismatch", async () => {
+    const test = testcases[0];
+    test.accountProof[1] =
+      "0x0028db7c407cab6652f1f194401bd87bda33c9a1723b4f93515bd5929cad02668123fa5a3e69136c8e03a62c805f89c9d3578a6f5fac4bb281fc4d7df12fbcc5dc";
+    const proof = concat([
+      `0x${test.accountProof.length.toString(16).padStart(2, "0")}`,
+      ...test.accountProof,
+      `0x${test.storageProof.length.toString(16).padStart(2, "0")}`,
+      ...test.storageProof,
+    ]);
+    await expect(verifier.verifyZkTrieProof(test.account, test.storage, proof)).revertedWith("Hash mismatch");
+  });
+
+  it("should revert, when invalid proof magic bytes", async () => {
+    const test = testcases[0];
+    test.accountProof[17] =
+      "0x5448495320495320534f4d45204d4147494320425954455320464f5220534d54206d3172525867503278704448";
+    const proof = concat([
+      `0x${test.accountProof.length.toString(16).padStart(2, "0")}`,
+      ...test.accountProof,
+      `0x${test.storageProof.length.toString(16).padStart(2, "0")}`,
+      ...test.storageProof,
+    ]);
+    await expect(verifier.verifyZkTrieProof(test.account, test.storage, proof)).revertedWith("Invalid ProofMagicBytes");
+  });
+
+  it("should revert, when invalid leaf node in account proof", async () => {
+    const test = testcases[0];
+    // Invalid leaf node in account proof
+    test.accountProof[16] =
+      "0x000aef26efde9e4bca477d460482bce3de3577f6e9a280dea6d3f9985b4151deab0508000000000000000000000000000000000000000000000000071d0000000000000000000000000000000000000000000000000000000000000013328350573dd32b38291529042b30b83bf20bfc7e18ab6a9755e2ea692d5a7644f896b0d629cf9740d72ccbc90dd6141deb3fab132f1ebc17ab963c612c7123d5a524d0158cc8291b081281272d79459760d885ea652024615d55b114b5872571b21aee99977b8681205300000000000000000000000000000000000004000000000000000000000000";
+    let proof = concat([
+      `0x${test.accountProof.length.toString(16).padStart(2, "0")}`,
+      ...test.accountProof,
+      `0x${test.storageProof.length.toString(16).padStart(2, "0")}`,
+      ...test.storageProof,
+    ]);
+    await expect(verifier.verifyZkTrieProof(test.account, test.storage, proof)).revertedWith("Invalid leaf node");
+
+    // Node key mismatch in account proof
+    test.accountProof[16] =
+      "0x010aef16efde9e4bca477d460482bce3de3577f6e9a280dea6d3f9985b4151deab0508000000000000000000000000000000000000000000000000071d0000000000000000000000000000000000000000000000000000000000000013328350573dd32b38291529042b30b83bf20bfc7e18ab6a9755e2ea692d5a7644f896b0d629cf9740d72ccbc90dd6141deb3fab132f1ebc17ab963c612c7123d5a524d0158cc8291b081281272d79459760d885ea652024615d55b114b5872571b21aee99977b8681205300000000000000000000000000000000000004000000000000000000000000";
+    proof = concat([
+      `0x${test.accountProof.length.toString(16).padStart(2, "0")}`,
+      ...test.accountProof,
+      `0x${test.storageProof.length.toString(16).padStart(2, "0")}`,
+      ...test.storageProof,
+    ]);
+    await expect(verifier.verifyZkTrieProof(test.account, test.storage, proof)).revertedWith("Node key mismatch");
+
+    // Invalid leaf node hash in account proof
+    test.accountProof[16] =
+      "0x010aef26efde9e4bca477d460482bce3de3577f6e9a280dea6d3f9985b4151deab0508000000000000000000000000000000000000000000000000071e0000000000000000000000000000000000000000000000000000000000000013328350573dd32b38291529042b30b83bf20bfc7e18ab6a9755e2ea692d5a7644f896b0d629cf9740d72ccbc90dd6141deb3fab132f1ebc17ab963c612c7123d5a524d0158cc8291b081281272d79459760d885ea652024615d55b114b5872571b21aee99977b8681205300000000000000000000000000000000000004000000000000000000000000";
+    proof = concat([
+      `0x${test.accountProof.length.toString(16).padStart(2, "0")}`,
+      ...test.accountProof,
+      `0x${test.storageProof.length.toString(16).padStart(2, "0")}`,
+      ...test.storageProof,
+    ]);
+    await expect(verifier.verifyZkTrieProof(test.account, test.storage, proof)).revertedWith("Invalid leaf node hash");
+
+    // Invalid KeyPreimage length in account proof
+    test.accountProof[16] =
+      "0x010aef26efde9e4bca477d460482bce3de3577f6e9a280dea6d3f9985b4151deab0508000000000000000000000000000000000000000000000000071d0000000000000000000000000000000000000000000000000000000000000013328350573dd32b38291529042b30b83bf20bfc7e18ab6a9755e2ea692d5a7644f896b0d629cf9740d72ccbc90dd6141deb3fab132f1ebc17ab963c612c7123d5a524d0158cc8291b081281272d79459760d885ea652024615d55b114b5872571b21aee99977b8681215300000000000000000000000000000000000004000000000000000000000000";
+    proof = concat([
+      `0x${test.accountProof.length.toString(16).padStart(2, "0")}`,
+      ...test.accountProof,
+      `0x${test.storageProof.length.toString(16).padStart(2, "0")}`,
+      ...test.storageProof,
+    ]);
+    await expect(verifier.verifyZkTrieProof(test.account, test.storage, proof)).revertedWith(
+      "Invalid KeyPreimage length"
+    );
+
+    // Invalid KeyPreimage in account proof
+    test.accountProof[16] =
+      "0x010aef26efde9e4bca477d460482bce3de3577f6e9a280dea6d3f9985b4151deab0508000000000000000000000000000000000000000000000000071d0000000000000000000000000000000000000000000000000000000000000013328350573dd32b38291529042b30b83bf20bfc7e18ab6a9755e2ea692d5a7644f896b0d629cf9740d72ccbc90dd6141deb3fab132f1ebc17ab963c612c7123d5a524d0158cc8291b081281272d79459760d885ea652024615d55b114b5872571b21aee99977b8681205300000000000000000000000000000000000003000000000000000000000000";
+    proof = concat([
+      `0x${test.accountProof.length.toString(16).padStart(2, "0")}`,
+      ...test.accountProof,
+      `0x${test.storageProof.length.toString(16).padStart(2, "0")}`,
+      ...test.storageProof,
+    ]);
+    await expect(verifier.verifyZkTrieProof(test.account, test.storage, proof)).revertedWith("Invalid KeyPreimage");
+  });
+
+  it("should revert, when storage root mismatch", async () => {
+    const test = testcases[0];
+    test.storageProof[0] =
+      "0x000a52b818e0a009930d62c17f2b1244179b7c14f8e1ae317fb3bfd3a3ba6060031b2a4aa2df31e79f926474987eea69aab84f4581cfd61b0338438110f6be145c";
+    const proof = concat([
+      `0x${test.accountProof.length.toString(16).padStart(2, "0")}`,
+      ...test.accountProof,
+      `0x${test.storageProof.length.toString(16).padStart(2, "0")}`,
+      ...test.storageProof,
+    ]);
+    await expect(verifier.verifyZkTrieProof(test.account, test.storage, proof)).revertedWith("Storage root mismatch");
+  });
+
+  it("should revert, when invalid leaf node in storage proof", async () => {
+    const test = testcases[0];
+    // Invalid leaf node in account proof
+    test.storageProof[15] =
+      "0x0026ae15b478408eb45ea8b6f61aad1345f2b6257efd1acc4a6024b26f664c98240101000000000000000000000000000000000000000000000000000111346048bf18a14a209505174b0709a2a1997fe9797cb89648a93f17ce0096cbc1a6ed52b73170b96a";
+    let proof = concat([
+      `0x${test.accountProof.length.toString(16).padStart(2, "0")}`,
+      ...test.accountProof,
+      `0x${test.storageProof.length.toString(16).padStart(2, "0")}`,
+      ...test.storageProof,
+    ]);
+    await expect(verifier.verifyZkTrieProof(test.account, test.storage, proof)).revertedWith("Invalid leaf node");
+
+    // Node key mismatch in account proof
+    test.storageProof[15] =
+      "0x0136ae15b478408eb45ea8b6f61aad1345f2b6257efd1acc4a6024b26f664c98240101000000000000000000000000000000000000000000000000000111346048bf18a14a209505174b0709a2a1997fe9797cb89648a93f17ce0096cbc1a6ed52b73170b96a";
+    proof = concat([
+      `0x${test.accountProof.length.toString(16).padStart(2, "0")}`,
+      ...test.accountProof,
+      `0x${test.storageProof.length.toString(16).padStart(2, "0")}`,
+      ...test.storageProof,
+    ]);
+    await expect(verifier.verifyZkTrieProof(test.account, test.storage, proof)).revertedWith("Node key mismatch");
+
+    // Invalid leaf node hash in account proof
+    test.storageProof[15] =
+      "0x0126ae15b478408eb45ea8b6f61aad1345f2b6257efd1acc4a6024b26f664c98240101000000000000000000000000000000000000000000000000000111446048bf18a14a209505174b0709a2a1997fe9797cb89648a93f17ce0096cbc1a6ed52b73170b96a";
+    proof = concat([
+      `0x${test.accountProof.length.toString(16).padStart(2, "0")}`,
+      ...test.accountProof,
+      `0x${test.storageProof.length.toString(16).padStart(2, "0")}`,
+      ...test.storageProof,
+    ]);
+    await expect(verifier.verifyZkTrieProof(test.account, test.storage, proof)).revertedWith("Invalid leaf node hash");
+
+    // Invalid KeyPreimage length in account proof
+    test.storageProof[15] =
+      "0x0126ae15b478408eb45ea8b6f61aad1345f2b6257efd1acc4a6024b26f664c98240101000000000000000000000000000000000000000000000000000111346048bf18a14a219505174b0709a2a1997fe9797cb89648a93f17ce0096cbc1a6ed52b73170b96a";
+    proof = concat([
+      `0x${test.accountProof.length.toString(16).padStart(2, "0")}`,
+      ...test.accountProof,
+      `0x${test.storageProof.length.toString(16).padStart(2, "0")}`,
+      ...test.storageProof,
+    ]);
+    await expect(verifier.verifyZkTrieProof(test.account, test.storage, proof)).revertedWith(
+      "Invalid KeyPreimage length"
+    );
+
+    // Invalid KeyPreimage in account proof
+    test.storageProof[15] =
+      "0x0126ae15b478408eb45ea8b6f61aad1345f2b6257efd1acc4a6024b26f664c98240101000000000000000000000000000000000000000000000000000111346048bf18a14a209505174b0709a2a1997fe9797cb89648a93f17ce0096cbc1a6ed52b73170b97a";
+    proof = concat([
+      `0x${test.accountProof.length.toString(16).padStart(2, "0")}`,
+      ...test.accountProof,
+      `0x${test.storageProof.length.toString(16).padStart(2, "0")}`,
+      ...test.storageProof,
+    ]);
+    await expect(verifier.verifyZkTrieProof(test.account, test.storage, proof)).revertedWith("Invalid KeyPreimage");
+  });
+
+  it("should revert, when proof length mismatch", async () => {
+    const test = testcases[0];
+    const proof = concat([
+      `0x${test.accountProof.length.toString(16).padStart(2, "0")}`,
+      ...test.accountProof,
+      `0x${test.storageProof.length.toString(16).padStart(2, "0")}`,
+      ...test.storageProof,
+      "0x00",
+    ]);
+    await expect(verifier.verifyZkTrieProof(test.account, test.storage, proof)).revertedWith("Proof length mismatch");
+  });
+});

contracts/package.json

@@ -27,6 +27,8 @@
     "@typescript-eslint/eslint-plugin": "^4.29.1",
     "@typescript-eslint/parser": "^4.29.1",
     "chai": "^4.2.0",
+    "circom": "^0.5.46",
+    "circomlib": "^0.5.0",
     "dotenv": "^10.0.0",
     "edit-json-file": "^1.7.0",
     "eslint": "^7.29.0",

contracts/scripts/ScrollChainCommitmentVerifier.deploy.ts

@@ -0,0 +1,42 @@
+/* eslint-disable node/no-missing-import */
+import * as dotenv from "dotenv";
+
+import { ethers } from "hardhat";
+import poseidonUnit from "circomlib/src/poseidon_gencontract";
+
+dotenv.config();
+
+async function main() {
+  const [deployer] = await ethers.getSigners();
+
+  const ScrollChainCommitmentVerifier = await ethers.getContractFactory("ScrollChainCommitmentVerifier", deployer);
+
+  const L1ScrollChainAddress = process.env.L1_ZK_ROLLUP_PROXY_ADDR!;
+  let PoseidonUnit2Address = process.env.POSEIDON_UNIT2_ADDR;
+
+  if (!PoseidonUnit2Address) {
+    const Poseidon2Elements = new ethers.ContractFactory(
+      poseidonUnit.generateABI(2),
+      poseidonUnit.createCode(2),
+      deployer
+    );
+
+    const poseidon = await Poseidon2Elements.deploy();
+    console.log("Deploy PoseidonUnit2 contract, hash:", poseidon.deployTransaction.hash);
+    const receipt = await poseidon.deployTransaction.wait();
+    console.log(`✅ Deploy PoseidonUnit2 contract at: ${poseidon.address}, gas used: ${receipt.gasUsed}`);
+    PoseidonUnit2Address = poseidon.address;
+  }
+
+  const verifier = await ScrollChainCommitmentVerifier.deploy(PoseidonUnit2Address, L1ScrollChainAddress);
+  console.log("Deploy ScrollChainCommitmentVerifier contract, hash:", verifier.deployTransaction.hash);
+  const receipt = await verifier.deployTransaction.wait();
+  console.log(`✅ Deploy ScrollChainCommitmentVerifier contract at: ${verifier.address}, gas used: ${receipt.gasUsed}`);
+}
+
+// We recommend this pattern to be able to use async/await everywhere
+// and properly handle errors.
+main().catch((error) => {
+  console.error(error);
+  process.exitCode = 1;
+});

contracts/scripts/foundry/DeployL1BridgeContracts.s.sol

@@ -26,10 +26,10 @@ contract DeployL1BridgeContracts is Script {
 
   uint256 CHAIN_ID_L2 = vm.envUint("CHAIN_ID_L2");
 
-  uint256 MAX_TX_IN_ONE_BATCH = vm.envOr("MAX_TX_IN_ONE_BATCH", uint256(25));
+  uint256 MAX_TX_IN_ONE_BATCH = vm.envOr("MAX_TX_IN_ONE_BATCH", uint256(44));
 
   bytes32 PADDING_TX_HASH =
-    vm.envOr("PADDING_TX_HASH", bytes32(0xb5baa665b2664c3bfed7eb46e00ebc110ecf2ebd257854a9bf2b9dbc9b2c08f6));
+    vm.envOr("PADDING_TX_HASH", bytes32(0x0000000000000000000000000000000000000000000000000000000000000000));
 
   address L1_WETH_ADDR = vm.envAddress("L1_WETH_ADDR");
   address L2_WETH_ADDR = vm.envAddress("L2_WETH_ADDR");

contracts/scripts/foundry/DeployScrollChainCommitmentVerifier.s.sol

@@ -0,0 +1,36 @@
+// SPDX-License-Identifier: UNLICENSED
+pragma solidity ^0.8.10;
+
+import { Script } from "forge-std/Script.sol";
+import { console } from "forge-std/console.sol";
+
+import { ScrollChainCommitmentVerifier } from "../../src/L1/rollup/ScrollChainCommitmentVerifier.sol";
+
+contract DeployScrollChainCommitmentVerifier is Script {
+  uint256 L1_DEPLOYER_PRIVATE_KEY = vm.envUint("L1_DEPLOYER_PRIVATE_KEY");
+
+  address L1_ZK_ROLLUP_PROXY_ADDR = vm.envAddress("L1_ZK_ROLLUP_PROXY_ADDR");
+
+  address POSEIDON_UNIT2_ADDR = vm.envAddress("POSEIDON_UNIT2_ADDR");
+
+  function run() external {
+    vm.startBroadcast(L1_DEPLOYER_PRIVATE_KEY);
+
+    deployScrollChainCommitmentVerifier();
+
+    vm.stopBroadcast();
+  }
+
+  function deployScrollChainCommitmentVerifier() internal {
+    ScrollChainCommitmentVerifier verifier = new ScrollChainCommitmentVerifier(
+      POSEIDON_UNIT2_ADDR,
+      L1_ZK_ROLLUP_PROXY_ADDR
+    );
+
+    logAddress("L1_SCROLL_CHAIN_COMMITMENT_VERIFIER", address(verifier));
+  }
+
+  function logAddress(string memory name, address addr) internal view {
+    console.log(string(abi.encodePacked(name, "=", vm.toString(address(addr)))));
+  }
+}

contracts/scripts/foundry/DeployWeth.s.sol

@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: UNLICENSED
+pragma solidity ^0.8.10;
+
+import { Script } from "forge-std/Script.sol";
+import { console } from "forge-std/console.sol";
+
+import { WETH9 } from "../../src/L2/predeploys/WETH9.sol";
+
+contract DeployWeth is Script {
+  address L1_WETH_ADDR = vm.envAddress("L1_WETH_ADDR");
+  address L2_WETH_ADDR = vm.envAddress("L2_WETH_ADDR");
+
+  function run() external {
+    // deploy weth only if we're running a private L1 network
+    if (L1_WETH_ADDR == address(0)) {
+      uint256 L1_WETH_DEPLOYER_PRIVATE_KEY = vm.envUint("L1_WETH_DEPLOYER_PRIVATE_KEY");
+      vm.startBroadcast(L1_WETH_DEPLOYER_PRIVATE_KEY);
+      WETH9 weth = new WETH9();
+      L1_WETH_ADDR = address(weth);
+      vm.stopBroadcast();
+    }
+
+    logAddress("L1_WETH_ADDR", L1_WETH_ADDR);
+    logAddress("L2_WETH_ADDR", L2_WETH_ADDR);
+  }
+
+  function logAddress(string memory name, address addr) internal view {
+    console.log(string(abi.encodePacked(name, "=", vm.toString(address(addr)))));
+  }
+}

contracts/src/External.sol

@@ -2,5 +2,5 @@
 
 pragma solidity ^0.8.0;
 
-import { ProxyAdmin } from "@openzeppelin/contracts/proxy/transparent/ProxyAdmin.sol";
-import { TransparentUpgradeableProxy } from "@openzeppelin/contracts/proxy/transparent/TransparentUpgradeableProxy.sol";
+import {ProxyAdmin} from "@openzeppelin/contracts/proxy/transparent/ProxyAdmin.sol";
+import {TransparentUpgradeableProxy} from "@openzeppelin/contracts/proxy/transparent/TransparentUpgradeableProxy.sol";

contracts/src/L1/IL1ScrollMessenger.sol

@@ -2,55 +2,55 @@
 
 pragma solidity ^0.8.0;
 
-import { IScrollMessenger } from "../libraries/IScrollMessenger.sol";
+import {IScrollMessenger} from "../libraries/IScrollMessenger.sol";
 
 interface IL1ScrollMessenger is IScrollMessenger {
-  /***********
-   * Structs *
-   ***********/
+    /***********
+     * Structs *
+     ***********/
 
-  struct L2MessageProof {
-    // The hash of the batch where the message belongs to.
-    bytes32 batchHash;
-    // Concatenation of merkle proof for withdraw merkle trie.
-    bytes merkleProof;
-  }
+    struct L2MessageProof {
+        // The hash of the batch where the message belongs to.
+        bytes32 batchHash;
+        // Concatenation of merkle proof for withdraw merkle trie.
+        bytes merkleProof;
+    }
 
-  /****************************
-   * Public Mutated Functions *
-   ****************************/
+    /*****************************
+     * Public Mutating Functions *
+     *****************************/
 
-  /// @notice Relay a L2 => L1 message with message proof.
-  /// @param from The address of the sender of the message.
-  /// @param to The address of the recipient of the message.
-  /// @param value The msg.value passed to the message call.
-  /// @param nonce The nonce of the message to avoid replay attack.
-  /// @param message The content of the message.
-  /// @param proof The proof used to verify the correctness of the transaction.
-  function relayMessageWithProof(
-    address from,
-    address to,
-    uint256 value,
-    uint256 nonce,
-    bytes memory message,
-    L2MessageProof memory proof
-  ) external;
+    /// @notice Relay a L2 => L1 message with message proof.
+    /// @param from The address of the sender of the message.
+    /// @param to The address of the recipient of the message.
+    /// @param value The msg.value passed to the message call.
+    /// @param nonce The nonce of the message to avoid replay attack.
+    /// @param message The content of the message.
+    /// @param proof The proof used to verify the correctness of the transaction.
+    function relayMessageWithProof(
+        address from,
+        address to,
+        uint256 value,
+        uint256 nonce,
+        bytes memory message,
+        L2MessageProof memory proof
+    ) external;
 
-  /// @notice Replay an exsisting message.
-  /// @param from The address of the sender of the message.
-  /// @param to The address of the recipient of the message.
-  /// @param value The msg.value passed to the message call.
-  /// @param queueIndex The queue index for the message to replay.
-  /// @param message The content of the message.
-  /// @param oldGasLimit Original gas limit used to send the message.
-  /// @param newGasLimit New gas limit to be used for this message.
-  function replayMessage(
-    address from,
-    address to,
-    uint256 value,
-    uint256 queueIndex,
-    bytes memory message,
-    uint32 oldGasLimit,
-    uint32 newGasLimit
-  ) external;
+    /// @notice Replay an exsisting message.
+    /// @param from The address of the sender of the message.
+    /// @param to The address of the recipient of the message.
+    /// @param value The msg.value passed to the message call.
+    /// @param queueIndex The queue index for the message to replay.
+    /// @param message The content of the message.
+    /// @param oldGasLimit Original gas limit used to send the message.
+    /// @param newGasLimit New gas limit to be used for this message.
+    function replayMessage(
+        address from,
+        address to,
+        uint256 value,
+        uint256 queueIndex,
+        bytes memory message,
+        uint32 oldGasLimit,
+        uint32 newGasLimit
+    ) external;
 }

contracts/src/L1/L1ScrollMessenger.sol

@@ -2,15 +2,15 @@
 
 pragma solidity ^0.8.0;
 
-import { PausableUpgradeable } from "@openzeppelin/contracts-upgradeable/security/PausableUpgradeable.sol";
+import {PausableUpgradeable} from "@openzeppelin/contracts-upgradeable/security/PausableUpgradeable.sol";
 
-import { IScrollChain } from "./rollup/IScrollChain.sol";
-import { IL1MessageQueue } from "./rollup/IL1MessageQueue.sol";
-import { IL1ScrollMessenger } from "./IL1ScrollMessenger.sol";
-import { ScrollConstants } from "../libraries/constants/ScrollConstants.sol";
-import { IScrollMessenger } from "../libraries/IScrollMessenger.sol";
-import { ScrollMessengerBase } from "../libraries/ScrollMessengerBase.sol";
-import { WithdrawTrieVerifier } from "../libraries/verifier/WithdrawTrieVerifier.sol";
+import {IScrollChain} from "./rollup/IScrollChain.sol";
+import {IL1MessageQueue} from "./rollup/IL1MessageQueue.sol";
+import {IL1ScrollMessenger} from "./IL1ScrollMessenger.sol";
+import {ScrollConstants} from "../libraries/constants/ScrollConstants.sol";
+import {IScrollMessenger} from "../libraries/IScrollMessenger.sol";
+import {ScrollMessengerBase} from "../libraries/ScrollMessengerBase.sol";
+import {WithdrawTrieVerifier} from "../libraries/verifier/WithdrawTrieVerifier.sol";
 
 // solhint-disable avoid-low-level-calls
 
@@ -25,157 +25,228 @@ import { WithdrawTrieVerifier } from "../libraries/verifier/WithdrawTrieVerifier
 /// @dev All deposited Ether (including `WETH` deposited throng `L1WETHGateway`) will locked in
 /// this contract.
 contract L1ScrollMessenger is PausableUpgradeable, ScrollMessengerBase, IL1ScrollMessenger {
-  /*************
-   * Variables *
-   *************/
+    /*************
+     * Variables *
+     *************/
 
-  /// @notice Mapping from relay id to relay status.
-  mapping(bytes32 => bool) public isL1MessageRelayed;
+    /// @notice Mapping from relay id to relay status.
+    mapping(bytes32 => bool) public isL1MessageRelayed;
 
-  /// @notice Mapping from L1 message hash to sent status.
-  mapping(bytes32 => bool) public isL1MessageSent;
+    /// @notice Mapping from L1 message hash to sent status.
+    mapping(bytes32 => bool) public isL1MessageSent;
 
-  /// @notice Mapping from L2 message hash to a boolean value indicating if the message has been successfully executed.
-  mapping(bytes32 => bool) public isL2MessageExecuted;
+    /// @notice Mapping from L2 message hash to a boolean value indicating if the message has been successfully executed.
+    mapping(bytes32 => bool) public isL2MessageExecuted;
 
-  /// @notice The address of Rollup contract.
-  address public rollup;
+    /// @notice The address of Rollup contract.
+    address public rollup;
 
-  /// @notice The address of L1MessageQueue contract.
-  address public messageQueue;
+    /// @notice The address of L1MessageQueue contract.
+    address public messageQueue;
 
-  /***************
-   * Constructor *
-   ***************/
+    // @note move to ScrollMessengerBase in next big refactor
+    /// @dev The status of for non-reentrant check.
+    uint256 private _lock_status;
 
-  /// @notice Initialize the storage of L1ScrollMessenger.
-  /// @param _counterpart The address of L2ScrollMessenger contract in L2.
-  /// @param _feeVault The address of fee vault, which will be used to collect relayer fee.
-  /// @param _rollup The address of ScrollChain contract.
-  /// @param _messageQueue The address of L1MessageQueue contract.
-  function initialize(
-    address _counterpart,
-    address _feeVault,
-    address _rollup,
-    address _messageQueue
-  ) public initializer {
-    PausableUpgradeable.__Pausable_init();
-    ScrollMessengerBase._initialize(_counterpart, _feeVault);
+    /**********************
+     * Function Modifiers *
+     **********************/
 
-    rollup = _rollup;
-    messageQueue = _messageQueue;
+    modifier nonReentrant() {
+        // On the first call to nonReentrant, _notEntered will be true
+        require(_lock_status != _ENTERED, "ReentrancyGuard: reentrant call");
 
-    // initialize to a nonzero value
-    xDomainMessageSender = ScrollConstants.DEFAULT_XDOMAIN_MESSAGE_SENDER;
-  }
+        // Any calls to nonReentrant after this point will fail
+        _lock_status = _ENTERED;
 
-  /****************************
-   * Public Mutated Functions *
-   ****************************/
+        _;
 
-  /// @inheritdoc IScrollMessenger
-  function sendMessage(
-    address _to,
-    uint256 _value,
-    bytes memory _message,
-    uint256 _gasLimit
-  ) external payable override whenNotPaused {
-    address _messageQueue = messageQueue; // gas saving
-    address _counterpart = counterpart; // gas saving
-
-    // compute the actual cross domain message calldata.
-    uint256 _messageNonce = IL1MessageQueue(_messageQueue).nextCrossDomainMessageIndex();
-    bytes memory _xDomainCalldata = _encodeXDomainCalldata(msg.sender, _to, _value, _messageNonce, _message);
-
-    // compute and deduct the messaging fee to fee vault.
-    uint256 _fee = IL1MessageQueue(_messageQueue).estimateCrossDomainMessageFee(
-      address(this),
-      _counterpart,
-      _xDomainCalldata,
-      _gasLimit
-    );
-    require(msg.value >= _fee + _value, "Insufficient msg.value");
-    if (_fee > 0) {
-      (bool _success, ) = feeVault.call{ value: _fee }("");
-      require(_success, "Failed to deduct the fee");
+        // By storing the original value once again, a refund is triggered (see
+        // https://eips.ethereum.org/EIPS/eip-2200)
+        _lock_status = _NOT_ENTERED;
     }
 
-    // append message to L1MessageQueue
-    IL1MessageQueue(_messageQueue).appendCrossDomainMessage(_counterpart, _gasLimit, _xDomainCalldata);
+    /***************
+     * Constructor *
+     ***************/
 
-    // record the message hash for future use.
-    bytes32 _xDomainCalldataHash = keccak256(_xDomainCalldata);
-    isL1MessageSent[_xDomainCalldataHash] = true;
+    /// @notice Initialize the storage of L1ScrollMessenger.
+    /// @param _counterpart The address of L2ScrollMessenger contract in L2.
+    /// @param _feeVault The address of fee vault, which will be used to collect relayer fee.
+    /// @param _rollup The address of ScrollChain contract.
+    /// @param _messageQueue The address of L1MessageQueue contract.
+    function initialize(
+        address _counterpart,
+        address _feeVault,
+        address _rollup,
+        address _messageQueue
+    ) public initializer {
+        PausableUpgradeable.__Pausable_init();
+        ScrollMessengerBase._initialize(_counterpart, _feeVault);
 
-    emit SentMessage(msg.sender, _to, _value, _messageNonce, _gasLimit, _message);
-  }
+        rollup = _rollup;
+        messageQueue = _messageQueue;
 
-  /// @inheritdoc IL1ScrollMessenger
-  function relayMessageWithProof(
-    address _from,
-    address _to,
-    uint256 _value,
-    uint256 _nonce,
-    bytes memory _message,
-    L2MessageProof memory _proof
-  ) external override whenNotPaused onlyWhitelistedSender(msg.sender) {
-    require(xDomainMessageSender == ScrollConstants.DEFAULT_XDOMAIN_MESSAGE_SENDER, "Message is already in execution");
+        // initialize to a nonzero value
+        xDomainMessageSender = ScrollConstants.DEFAULT_XDOMAIN_MESSAGE_SENDER;
+    }
 
-    bytes32 _xDomainCalldataHash = keccak256(_encodeXDomainCalldata(_from, _to, _value, _nonce, _message));
-    require(!isL2MessageExecuted[_xDomainCalldataHash], "Message was already successfully executed");
+    /*****************************
+     * Public Mutating Functions *
+     *****************************/
 
-    {
-      address _rollup = rollup;
-      require(IScrollChain(_rollup).isBatchFinalized(_proof.batchHash), "Batch is not finalized");
-      // @note skip verify for now
-      /*
+    /// @inheritdoc IScrollMessenger
+    function sendMessage(
+        address _to,
+        uint256 _value,
+        bytes memory _message,
+        uint256 _gasLimit
+    ) external payable override whenNotPaused {
+        _sendMessage(_to, _value, _message, _gasLimit, tx.origin);
+    }
+
+    /// @inheritdoc IScrollMessenger
+    function sendMessage(
+        address _to,
+        uint256 _value,
+        bytes calldata _message,
+        uint256 _gasLimit,
+        address _refundAddress
+    ) external payable override whenNotPaused {
+        _sendMessage(_to, _value, _message, _gasLimit, _refundAddress);
+    }
+
+    /// @inheritdoc IL1ScrollMessenger
+    function relayMessageWithProof(
+        address _from,
+        address _to,
+        uint256 _value,
+        uint256 _nonce,
+        bytes memory _message,
+        L2MessageProof memory _proof
+    ) external override whenNotPaused onlyWhitelistedSender(msg.sender) {
+        require(
+            xDomainMessageSender == ScrollConstants.DEFAULT_XDOMAIN_MESSAGE_SENDER,
+            "Message is already in execution"
+        );
+
+        bytes32 _xDomainCalldataHash = keccak256(_encodeXDomainCalldata(_from, _to, _value, _nonce, _message));
+        require(!isL2MessageExecuted[_xDomainCalldataHash], "Message was already successfully executed");
+
+        {
+            address _rollup = rollup;
+            require(IScrollChain(_rollup).isBatchFinalized(_proof.batchHash), "Batch is not finalized");
+            // @note skip verify for now
+            /*
       bytes32 _messageRoot = IScrollChain(_rollup).getL2MessageRoot(_proof.batchHash);
       require(
         WithdrawTrieVerifier.verifyMerkleProof(_messageRoot, _xDomainCalldataHash, _nonce, _proof.merkleProof),
         "Invalid proof"
       );
       */
+        }
+
+        // @todo check more `_to` address to avoid attack.
+        require(_to != messageQueue, "Forbid to call message queue");
+        require(_to != address(this), "Forbid to call self");
+
+        // @note This usually will never happen, just in case.
+        require(_from != xDomainMessageSender, "Invalid message sender");
+
+        xDomainMessageSender = _from;
+        (bool success, ) = _to.call{value: _value}(_message);
+        // reset value to refund gas.
+        xDomainMessageSender = ScrollConstants.DEFAULT_XDOMAIN_MESSAGE_SENDER;
+
+        if (success) {
+            isL2MessageExecuted[_xDomainCalldataHash] = true;
+            emit RelayedMessage(_xDomainCalldataHash);
+        } else {
+            emit FailedRelayedMessage(_xDomainCalldataHash);
+        }
+
+        bytes32 _relayId = keccak256(abi.encodePacked(_xDomainCalldataHash, msg.sender, block.number));
+        isL1MessageRelayed[_relayId] = true;
     }
 
-    // @note This usually will never happen, just in case.
-    require(_from != xDomainMessageSender, "Invalid message sender");
-
-    xDomainMessageSender = _from;
-    (bool success, ) = _to.call{ value: _value }(_message);
-    // reset value to refund gas.
-    xDomainMessageSender = ScrollConstants.DEFAULT_XDOMAIN_MESSAGE_SENDER;
-
-    if (success) {
-      isL2MessageExecuted[_xDomainCalldataHash] = true;
-      emit RelayedMessage(_xDomainCalldataHash);
-    } else {
-      emit FailedRelayedMessage(_xDomainCalldataHash);
+    /// @inheritdoc IL1ScrollMessenger
+    function replayMessage(
+        address _from,
+        address _to,
+        uint256 _value,
+        uint256 _queueIndex,
+        bytes memory _message,
+        uint32 _oldGasLimit,
+        uint32 _newGasLimit
+    ) external override whenNotPaused {
+        // @todo
     }
 
-    bytes32 _relayId = keccak256(abi.encodePacked(_xDomainCalldataHash, msg.sender, block.number));
-    isL1MessageRelayed[_relayId] = true;
-  }
+    /************************
+     * Restricted Functions *
+     ************************/
 
-  /// @inheritdoc IL1ScrollMessenger
-  function replayMessage(
-    address _from,
-    address _to,
-    uint256 _value,
-    uint256 _queueIndex,
-    bytes memory _message,
-    uint32 _oldGasLimit,
-    uint32 _newGasLimit
-  ) external override whenNotPaused {
-    // @todo
-  }
+    /// @notice Pause the contract
+    /// @dev This function can only called by contract owner.
+    /// @param _status The pause status to update.
+    function setPause(bool _status) external onlyOwner {
+        if (_status) {
+            _pause();
+        } else {
+            _unpause();
+        }
+    }
 
-  /************************
-   * Restricted Functions *
-   ************************/
+    /**********************
+     * Internal Functions *
+     **********************/
 
-  /// @notice Pause the contract
-  /// @dev This function can only called by contract owner.
-  function pause() external onlyOwner {
-    _pause();
-  }
+    function _sendMessage(
+        address _to,
+        uint256 _value,
+        bytes memory _message,
+        uint256 _gasLimit,
+        address _refundAddress
+    ) internal nonReentrant {
+        address _messageQueue = messageQueue; // gas saving
+        address _counterpart = counterpart; // gas saving
+
+        // compute the actual cross domain message calldata.
+        uint256 _messageNonce = IL1MessageQueue(_messageQueue).nextCrossDomainMessageIndex();
+        bytes memory _xDomainCalldata = _encodeXDomainCalldata(msg.sender, _to, _value, _messageNonce, _message);
+
+        // compute and deduct the messaging fee to fee vault.
+        uint256 _fee = IL1MessageQueue(_messageQueue).estimateCrossDomainMessageFee(
+            address(this),
+            _counterpart,
+            _xDomainCalldata,
+            _gasLimit
+        );
+        require(msg.value >= _fee + _value, "Insufficient msg.value");
+        if (_fee > 0) {
+            (bool _success, ) = feeVault.call{value: _fee}("");
+            require(_success, "Failed to deduct the fee");
+        }
+
+        // append message to L1MessageQueue
+        IL1MessageQueue(_messageQueue).appendCrossDomainMessage(_counterpart, _gasLimit, _xDomainCalldata);
+
+        // record the message hash for future use.
+        bytes32 _xDomainCalldataHash = keccak256(_xDomainCalldata);
+
+        // normally this won't happen, since each message has different nonce, but just in case.
+        require(!isL1MessageSent[_xDomainCalldataHash], "Duplicated message");
+        isL1MessageSent[_xDomainCalldataHash] = true;
+
+        emit SentMessage(msg.sender, _to, _value, _messageNonce, _gasLimit, _message);
+
+        // refund fee to tx.origin
+        unchecked {
+            uint256 _refund = msg.value - _fee - _value;
+            if (_refund > 0) {
+                (bool _success, ) = _refundAddress.call{value: _refund}("");
+                require(_success, "Failed to refund the fee");
+            }
+        }
+    }
 }

contracts/src/L1/gateways/IL1ERC1155Gateway.sol

@@ -4,163 +4,163 @@ pragma solidity ^0.8.0;
 
 /// @title The interface for the ERC1155 cross chain gateway in layer 1.
 interface IL1ERC1155Gateway {
-  /**********
-   * Events *
-   **********/
+    /**********
+     * Events *
+     **********/
 
-  /// @notice Emitted when the ERC1155 NFT is transfered to recipient in layer 1.
-  /// @param _l1Token The address of ERC1155 NFT in layer 1.
-  /// @param _l2Token The address of ERC1155 NFT in layer 2.
-  /// @param _from The address of sender in layer 2.
-  /// @param _to The address of recipient in layer 1.
-  /// @param _tokenId The token id of the ERC1155 NFT to withdraw from layer 2.
-  /// @param _amount The number of token to withdraw from layer 2.
-  event FinalizeWithdrawERC1155(
-    address indexed _l1Token,
-    address indexed _l2Token,
-    address indexed _from,
-    address _to,
-    uint256 _tokenId,
-    uint256 _amount
-  );
+    /// @notice Emitted when the ERC1155 NFT is transfered to recipient in layer 1.
+    /// @param _l1Token The address of ERC1155 NFT in layer 1.
+    /// @param _l2Token The address of ERC1155 NFT in layer 2.
+    /// @param _from The address of sender in layer 2.
+    /// @param _to The address of recipient in layer 1.
+    /// @param _tokenId The token id of the ERC1155 NFT to withdraw from layer 2.
+    /// @param _amount The number of token to withdraw from layer 2.
+    event FinalizeWithdrawERC1155(
+        address indexed _l1Token,
+        address indexed _l2Token,
+        address indexed _from,
+        address _to,
+        uint256 _tokenId,
+        uint256 _amount
+    );
 
-  /// @notice Emitted when the ERC1155 NFT is batch transfered to recipient in layer 1.
-  /// @param _l1Token The address of ERC1155 NFT in layer 1.
-  /// @param _l2Token The address of ERC1155 NFT in layer 2.
-  /// @param _from The address of sender in layer 2.
-  /// @param _to The address of recipient in layer 1.
-  /// @param _tokenIds The list of token ids of the ERC1155 NFT to withdraw from layer 2.
-  /// @param _amounts The list of corresponding number of token to withdraw from layer 2.
-  event FinalizeBatchWithdrawERC1155(
-    address indexed _l1Token,
-    address indexed _l2Token,
-    address indexed _from,
-    address _to,
-    uint256[] _tokenIds,
-    uint256[] _amounts
-  );
+    /// @notice Emitted when the ERC1155 NFT is batch transfered to recipient in layer 1.
+    /// @param _l1Token The address of ERC1155 NFT in layer 1.
+    /// @param _l2Token The address of ERC1155 NFT in layer 2.
+    /// @param _from The address of sender in layer 2.
+    /// @param _to The address of recipient in layer 1.
+    /// @param _tokenIds The list of token ids of the ERC1155 NFT to withdraw from layer 2.
+    /// @param _amounts The list of corresponding number of token to withdraw from layer 2.
+    event FinalizeBatchWithdrawERC1155(
+        address indexed _l1Token,
+        address indexed _l2Token,
+        address indexed _from,
+        address _to,
+        uint256[] _tokenIds,
+        uint256[] _amounts
+    );
 
-  /// @notice Emitted when the ERC1155 NFT is deposited to gateway in layer 1.
-  /// @param _l1Token The address of ERC1155 NFT in layer 1.
-  /// @param _l2Token The address of ERC1155 NFT in layer 2.
-  /// @param _from The address of sender in layer 1.
-  /// @param _to The address of recipient in layer 2.
-  /// @param _tokenId The token id of the ERC1155 NFT to deposit in layer 1.
-  /// @param _amount The number of token to deposit in layer 1.
-  event DepositERC1155(
-    address indexed _l1Token,
-    address indexed _l2Token,
-    address indexed _from,
-    address _to,
-    uint256 _tokenId,
-    uint256 _amount
-  );
+    /// @notice Emitted when the ERC1155 NFT is deposited to gateway in layer 1.
+    /// @param _l1Token The address of ERC1155 NFT in layer 1.
+    /// @param _l2Token The address of ERC1155 NFT in layer 2.
+    /// @param _from The address of sender in layer 1.
+    /// @param _to The address of recipient in layer 2.
+    /// @param _tokenId The token id of the ERC1155 NFT to deposit in layer 1.
+    /// @param _amount The number of token to deposit in layer 1.
+    event DepositERC1155(
+        address indexed _l1Token,
+        address indexed _l2Token,
+        address indexed _from,
+        address _to,
+        uint256 _tokenId,
+        uint256 _amount
+    );
 
-  /// @notice Emitted when the ERC1155 NFT is batch deposited to gateway in layer 1.
-  /// @param _l1Token The address of ERC1155 NFT in layer 1.
-  /// @param _l2Token The address of ERC1155 NFT in layer 2.
-  /// @param _from The address of sender in layer 1.
-  /// @param _to The address of recipient in layer 2.
-  /// @param _tokenIds The list of token ids of the ERC1155 NFT to deposit in layer 1.
-  /// @param _amounts The list of corresponding number of token to deposit in layer 1.
-  event BatchDepositERC1155(
-    address indexed _l1Token,
-    address indexed _l2Token,
-    address indexed _from,
-    address _to,
-    uint256[] _tokenIds,
-    uint256[] _amounts
-  );
+    /// @notice Emitted when the ERC1155 NFT is batch deposited to gateway in layer 1.
+    /// @param _l1Token The address of ERC1155 NFT in layer 1.
+    /// @param _l2Token The address of ERC1155 NFT in layer 2.
+    /// @param _from The address of sender in layer 1.
+    /// @param _to The address of recipient in layer 2.
+    /// @param _tokenIds The list of token ids of the ERC1155 NFT to deposit in layer 1.
+    /// @param _amounts The list of corresponding number of token to deposit in layer 1.
+    event BatchDepositERC1155(
+        address indexed _l1Token,
+        address indexed _l2Token,
+        address indexed _from,
+        address _to,
+        uint256[] _tokenIds,
+        uint256[] _amounts
+    );
 
-  /*************************
-   * Public View Functions *
-   *************************/
+    /*************************
+     * Public View Functions *
+     *************************/
 
-  /// @notice Deposit some ERC1155 NFT to caller's account on layer 2.
-  /// @param _token The address of ERC1155 NFT in layer 1.
-  /// @param _tokenId The token id to deposit.
-  /// @param _amount The amount of token to deposit.
-  /// @param _gasLimit Estimated gas limit required to complete the deposit on layer 2.
-  function depositERC1155(
-    address _token,
-    uint256 _tokenId,
-    uint256 _amount,
-    uint256 _gasLimit
-  ) external payable;
+    /// @notice Deposit some ERC1155 NFT to caller's account on layer 2.
+    /// @param _token The address of ERC1155 NFT in layer 1.
+    /// @param _tokenId The token id to deposit.
+    /// @param _amount The amount of token to deposit.
+    /// @param _gasLimit Estimated gas limit required to complete the deposit on layer 2.
+    function depositERC1155(
+        address _token,
+        uint256 _tokenId,
+        uint256 _amount,
+        uint256 _gasLimit
+    ) external payable;
 
-  /// @notice Deposit some ERC1155 NFT to a recipient's account on layer 2.
-  /// @param _token The address of ERC1155 NFT in layer 1.
-  /// @param _to The address of recipient in layer 2.
-  /// @param _tokenId The token id to deposit.
-  /// @param _amount The amount of token to deposit.
-  /// @param _gasLimit Estimated gas limit required to complete the deposit on layer 2.
-  function depositERC1155(
-    address _token,
-    address _to,
-    uint256 _tokenId,
-    uint256 _amount,
-    uint256 _gasLimit
-  ) external payable;
+    /// @notice Deposit some ERC1155 NFT to a recipient's account on layer 2.
+    /// @param _token The address of ERC1155 NFT in layer 1.
+    /// @param _to The address of recipient in layer 2.
+    /// @param _tokenId The token id to deposit.
+    /// @param _amount The amount of token to deposit.
+    /// @param _gasLimit Estimated gas limit required to complete the deposit on layer 2.
+    function depositERC1155(
+        address _token,
+        address _to,
+        uint256 _tokenId,
+        uint256 _amount,
+        uint256 _gasLimit
+    ) external payable;
 
-  /// @notice Deposit a list of some ERC1155 NFT to caller's account on layer 2.
-  /// @param _token The address of ERC1155 NFT in layer 1.
-  /// @param _tokenIds The list of token ids to deposit.
-  /// @param _amounts The list of corresponding number of token to deposit.
-  /// @param _gasLimit Estimated gas limit required to complete the deposit on layer 2.
-  function batchDepositERC1155(
-    address _token,
-    uint256[] calldata _tokenIds,
-    uint256[] calldata _amounts,
-    uint256 _gasLimit
-  ) external payable;
+    /// @notice Deposit a list of some ERC1155 NFT to caller's account on layer 2.
+    /// @param _token The address of ERC1155 NFT in layer 1.
+    /// @param _tokenIds The list of token ids to deposit.
+    /// @param _amounts The list of corresponding number of token to deposit.
+    /// @param _gasLimit Estimated gas limit required to complete the deposit on layer 2.
+    function batchDepositERC1155(
+        address _token,
+        uint256[] calldata _tokenIds,
+        uint256[] calldata _amounts,
+        uint256 _gasLimit
+    ) external payable;
 
-  /// @notice Deposit a list of some ERC1155 NFT to a recipient's account on layer 2.
-  /// @param _token The address of ERC1155 NFT in layer 1.
-  /// @param _to The address of recipient in layer 2.
-  /// @param _tokenIds The list of token ids to deposit.
-  /// @param _amounts The list of corresponding number of token to deposit.
-  /// @param _gasLimit Estimated gas limit required to complete the deposit on layer 2.
-  function batchDepositERC1155(
-    address _token,
-    address _to,
-    uint256[] calldata _tokenIds,
-    uint256[] calldata _amounts,
-    uint256 _gasLimit
-  ) external payable;
+    /// @notice Deposit a list of some ERC1155 NFT to a recipient's account on layer 2.
+    /// @param _token The address of ERC1155 NFT in layer 1.
+    /// @param _to The address of recipient in layer 2.
+    /// @param _tokenIds The list of token ids to deposit.
+    /// @param _amounts The list of corresponding number of token to deposit.
+    /// @param _gasLimit Estimated gas limit required to complete the deposit on layer 2.
+    function batchDepositERC1155(
+        address _token,
+        address _to,
+        uint256[] calldata _tokenIds,
+        uint256[] calldata _amounts,
+        uint256 _gasLimit
+    ) external payable;
 
-  /// @notice Complete ERC1155 withdraw from layer 2 to layer 1 and send fund to recipient's account in layer 1.
-  ///      The function should only be called by L1ScrollMessenger.
-  ///      The function should also only be called by L2ERC1155Gateway in layer 2.
-  /// @param _l1Token The address of corresponding layer 1 token.
-  /// @param _l2Token The address of corresponding layer 2 token.
-  /// @param _from The address of account who withdraw the token in layer 2.
-  /// @param _to The address of recipient in layer 1 to receive the token.
-  /// @param _tokenId The token id to withdraw.
-  /// @param _amount The amount of token to withdraw.
-  function finalizeWithdrawERC1155(
-    address _l1Token,
-    address _l2Token,
-    address _from,
-    address _to,
-    uint256 _tokenId,
-    uint256 _amount
-  ) external;
+    /// @notice Complete ERC1155 withdraw from layer 2 to layer 1 and send fund to recipient's account in layer 1.
+    ///      The function should only be called by L1ScrollMessenger.
+    ///      The function should also only be called by L2ERC1155Gateway in layer 2.
+    /// @param _l1Token The address of corresponding layer 1 token.
+    /// @param _l2Token The address of corresponding layer 2 token.
+    /// @param _from The address of account who withdraw the token in layer 2.
+    /// @param _to The address of recipient in layer 1 to receive the token.
+    /// @param _tokenId The token id to withdraw.
+    /// @param _amount The amount of token to withdraw.
+    function finalizeWithdrawERC1155(
+        address _l1Token,
+        address _l2Token,
+        address _from,
+        address _to,
+        uint256 _tokenId,
+        uint256 _amount
+    ) external;
 
-  /// @notice Complete ERC1155 batch withdraw from layer 2 to layer 1 and send fund to recipient's account in layer 1.
-  ///      The function should only be called by L1ScrollMessenger.
-  ///      The function should also only be called by L2ERC1155Gateway in layer 2.
-  /// @param _l1Token The address of corresponding layer 1 token.
-  /// @param _l2Token The address of corresponding layer 2 token.
-  /// @param _from The address of account who withdraw the token in layer 2.
-  /// @param _to The address of recipient in layer 1 to receive the token.
-  /// @param _tokenIds The list of token ids to withdraw.
-  /// @param _amounts The list of corresponding number of token to withdraw.
-  function finalizeBatchWithdrawERC1155(
-    address _l1Token,
-    address _l2Token,
-    address _from,
-    address _to,
-    uint256[] calldata _tokenIds,
-    uint256[] calldata _amounts
-  ) external;
+    /// @notice Complete ERC1155 batch withdraw from layer 2 to layer 1 and send fund to recipient's account in layer 1.
+    ///      The function should only be called by L1ScrollMessenger.
+    ///      The function should also only be called by L2ERC1155Gateway in layer 2.
+    /// @param _l1Token The address of corresponding layer 1 token.
+    /// @param _l2Token The address of corresponding layer 2 token.
+    /// @param _from The address of account who withdraw the token in layer 2.
+    /// @param _to The address of recipient in layer 1 to receive the token.
+    /// @param _tokenIds The list of token ids to withdraw.
+    /// @param _amounts The list of corresponding number of token to withdraw.
+    function finalizeBatchWithdrawERC1155(
+        address _l1Token,
+        address _l2Token,
+        address _from,
+        address _to,
+        uint256[] calldata _tokenIds,
+        uint256[] calldata _amounts
+    ) external;
 }

contracts/src/L1/gateways/IL1ERC20Gateway.sol

@@ -3,109 +3,109 @@
 pragma solidity ^0.8.0;
 
 interface IL1ERC20Gateway {
-  /**********
-   * Events *
-   **********/
+    /**********
+     * Events *
+     **********/
 
-  /// @notice Emitted when ERC20 token is withdrawn from L2 to L1 and transfer to recipient.
-  /// @param l1Token The address of the token in L1.
-  /// @param l2Token The address of the token in L2.
-  /// @param from The address of sender in L2.
-  /// @param to The address of recipient in L1.
-  /// @param amount The amount of token withdrawn from L2 to L1.
-  /// @param data The optional calldata passed to recipient in L1.
-  event FinalizeWithdrawERC20(
-    address indexed l1Token,
-    address indexed l2Token,
-    address indexed from,
-    address to,
-    uint256 amount,
-    bytes data
-  );
+    /// @notice Emitted when ERC20 token is withdrawn from L2 to L1 and transfer to recipient.
+    /// @param l1Token The address of the token in L1.
+    /// @param l2Token The address of the token in L2.
+    /// @param from The address of sender in L2.
+    /// @param to The address of recipient in L1.
+    /// @param amount The amount of token withdrawn from L2 to L1.
+    /// @param data The optional calldata passed to recipient in L1.
+    event FinalizeWithdrawERC20(
+        address indexed l1Token,
+        address indexed l2Token,
+        address indexed from,
+        address to,
+        uint256 amount,
+        bytes data
+    );
 
-  /// @notice Emitted when someone deposit ERC20 token from L1 to L2.
-  /// @param l1Token The address of the token in L1.
-  /// @param l2Token The address of the token in L2.
-  /// @param from The address of sender in L1.
-  /// @param to The address of recipient in L2.
-  /// @param amount The amount of token will be deposited from L1 to L2.
-  /// @param data The optional calldata passed to recipient in L2.
-  event DepositERC20(
-    address indexed l1Token,
-    address indexed l2Token,
-    address indexed from,
-    address to,
-    uint256 amount,
-    bytes data
-  );
+    /// @notice Emitted when someone deposit ERC20 token from L1 to L2.
+    /// @param l1Token The address of the token in L1.
+    /// @param l2Token The address of the token in L2.
+    /// @param from The address of sender in L1.
+    /// @param to The address of recipient in L2.
+    /// @param amount The amount of token will be deposited from L1 to L2.
+    /// @param data The optional calldata passed to recipient in L2.
+    event DepositERC20(
+        address indexed l1Token,
+        address indexed l2Token,
+        address indexed from,
+        address to,
+        uint256 amount,
+        bytes data
+    );
 
-  /*************************
-   * Public View Functions *
-   *************************/
+    /*************************
+     * Public View Functions *
+     *************************/
 
-  /// @notice Return the corresponding l2 token address given l1 token address.
-  /// @param _l1Token The address of l1 token.
-  function getL2ERC20Address(address _l1Token) external view returns (address);
+    /// @notice Return the corresponding l2 token address given l1 token address.
+    /// @param _l1Token The address of l1 token.
+    function getL2ERC20Address(address _l1Token) external view returns (address);
 
-  /****************************
-   * Public Mutated Functions *
-   ****************************/
+    /*****************************
+     * Public Mutating Functions *
+     *****************************/
 
-  /// @notice Deposit some token to a caller's account on L2.
-  /// @dev Make this function payable to send relayer fee in Ether.
-  /// @param _token The address of token in L1.
-  /// @param _amount The amount of token to transfer.
-  /// @param _gasLimit Gas limit required to complete the deposit on L2.
-  function depositERC20(
-    address _token,
-    uint256 _amount,
-    uint256 _gasLimit
-  ) external payable;
+    /// @notice Deposit some token to a caller's account on L2.
+    /// @dev Make this function payable to send relayer fee in Ether.
+    /// @param _token The address of token in L1.
+    /// @param _amount The amount of token to transfer.
+    /// @param _gasLimit Gas limit required to complete the deposit on L2.
+    function depositERC20(
+        address _token,
+        uint256 _amount,
+        uint256 _gasLimit
+    ) external payable;
 
-  /// @notice Deposit some token to a recipient's account on L2.
-  /// @dev Make this function payable to send relayer fee in Ether.
-  /// @param _token The address of token in L1.
-  /// @param _to The address of recipient's account on L2.
-  /// @param _amount The amount of token to transfer.
-  /// @param _gasLimit Gas limit required to complete the deposit on L2.
-  function depositERC20(
-    address _token,
-    address _to,
-    uint256 _amount,
-    uint256 _gasLimit
-  ) external payable;
+    /// @notice Deposit some token to a recipient's account on L2.
+    /// @dev Make this function payable to send relayer fee in Ether.
+    /// @param _token The address of token in L1.
+    /// @param _to The address of recipient's account on L2.
+    /// @param _amount The amount of token to transfer.
+    /// @param _gasLimit Gas limit required to complete the deposit on L2.
+    function depositERC20(
+        address _token,
+        address _to,
+        uint256 _amount,
+        uint256 _gasLimit
+    ) external payable;
 
-  /// @notice Deposit some token to a recipient's account on L2 and call.
-  /// @dev Make this function payable to send relayer fee in Ether.
-  /// @param _token The address of token in L1.
-  /// @param _to The address of recipient's account on L2.
-  /// @param _amount The amount of token to transfer.
-  /// @param _data Optional data to forward to recipient's account.
-  /// @param _gasLimit Gas limit required to complete the deposit on L2.
-  function depositERC20AndCall(
-    address _token,
-    address _to,
-    uint256 _amount,
-    bytes memory _data,
-    uint256 _gasLimit
-  ) external payable;
+    /// @notice Deposit some token to a recipient's account on L2 and call.
+    /// @dev Make this function payable to send relayer fee in Ether.
+    /// @param _token The address of token in L1.
+    /// @param _to The address of recipient's account on L2.
+    /// @param _amount The amount of token to transfer.
+    /// @param _data Optional data to forward to recipient's account.
+    /// @param _gasLimit Gas limit required to complete the deposit on L2.
+    function depositERC20AndCall(
+        address _token,
+        address _to,
+        uint256 _amount,
+        bytes memory _data,
+        uint256 _gasLimit
+    ) external payable;
 
-  /// @notice Complete ERC20 withdraw from L2 to L1 and send fund to recipient's account in L1.
-  /// @dev Make this function payable to handle WETH deposit/withdraw.
-  ///      The function should only be called by L1ScrollMessenger.
-  ///      The function should also only be called by L2ERC20Gateway in L2.
-  /// @param _l1Token The address of corresponding L1 token.
-  /// @param _l2Token The address of corresponding L2 token.
-  /// @param _from The address of account who withdraw the token in L2.
-  /// @param _to The address of recipient in L1 to receive the token.
-  /// @param _amount The amount of the token to withdraw.
-  /// @param _data Optional data to forward to recipient's account.
-  function finalizeWithdrawERC20(
-    address _l1Token,
-    address _l2Token,
-    address _from,
-    address _to,
-    uint256 _amount,
-    bytes calldata _data
-  ) external payable;
+    /// @notice Complete ERC20 withdraw from L2 to L1 and send fund to recipient's account in L1.
+    /// @dev Make this function payable to handle WETH deposit/withdraw.
+    ///      The function should only be called by L1ScrollMessenger.
+    ///      The function should also only be called by L2ERC20Gateway in L2.
+    /// @param _l1Token The address of corresponding L1 token.
+    /// @param _l2Token The address of corresponding L2 token.
+    /// @param _from The address of account who withdraw the token in L2.
+    /// @param _to The address of recipient in L1 to receive the token.
+    /// @param _amount The amount of the token to withdraw.
+    /// @param _data Optional data to forward to recipient's account.
+    function finalizeWithdrawERC20(
+        address _l1Token,
+        address _l2Token,
+        address _from,
+        address _to,
+        uint256 _amount,
+        bytes calldata _data
+    ) external payable;
 }

contracts/src/L1/gateways/IL1ERC721Gateway.sol

@@ -4,145 +4,145 @@ pragma solidity ^0.8.0;
 
 /// @title The interface for the ERC721 cross chain gateway in layer 1.
 interface IL1ERC721Gateway {
-  /**********
-   * Events *
-   **********/
+    /**********
+     * Events *
+     **********/
 
-  /// @notice Emitted when the ERC721 NFT is transfered to recipient in layer 1.
-  /// @param _l1Token The address of ERC721 NFT in layer 1.
-  /// @param _l2Token The address of ERC721 NFT in layer 2.
-  /// @param _from The address of sender in layer 2.
-  /// @param _to The address of recipient in layer 1.
-  /// @param _tokenId The token id of the ERC721 NFT to withdraw from layer 2.
-  event FinalizeWithdrawERC721(
-    address indexed _l1Token,
-    address indexed _l2Token,
-    address indexed _from,
-    address _to,
-    uint256 _tokenId
-  );
+    /// @notice Emitted when the ERC721 NFT is transfered to recipient in layer 1.
+    /// @param _l1Token The address of ERC721 NFT in layer 1.
+    /// @param _l2Token The address of ERC721 NFT in layer 2.
+    /// @param _from The address of sender in layer 2.
+    /// @param _to The address of recipient in layer 1.
+    /// @param _tokenId The token id of the ERC721 NFT to withdraw from layer 2.
+    event FinalizeWithdrawERC721(
+        address indexed _l1Token,
+        address indexed _l2Token,
+        address indexed _from,
+        address _to,
+        uint256 _tokenId
+    );
 
-  /// @notice Emitted when the ERC721 NFT is batch transfered to recipient in layer 1.
-  /// @param _l1Token The address of ERC721 NFT in layer 1.
-  /// @param _l2Token The address of ERC721 NFT in layer 2.
-  /// @param _from The address of sender in layer 2.
-  /// @param _to The address of recipient in layer 1.
-  /// @param _tokenIds The list of token ids of the ERC721 NFT to withdraw from layer 2.
-  event FinalizeBatchWithdrawERC721(
-    address indexed _l1Token,
-    address indexed _l2Token,
-    address indexed _from,
-    address _to,
-    uint256[] _tokenIds
-  );
+    /// @notice Emitted when the ERC721 NFT is batch transfered to recipient in layer 1.
+    /// @param _l1Token The address of ERC721 NFT in layer 1.
+    /// @param _l2Token The address of ERC721 NFT in layer 2.
+    /// @param _from The address of sender in layer 2.
+    /// @param _to The address of recipient in layer 1.
+    /// @param _tokenIds The list of token ids of the ERC721 NFT to withdraw from layer 2.
+    event FinalizeBatchWithdrawERC721(
+        address indexed _l1Token,
+        address indexed _l2Token,
+        address indexed _from,
+        address _to,
+        uint256[] _tokenIds
+    );
 
-  /// @notice Emitted when the ERC721 NFT is deposited to gateway in layer 1.
-  /// @param _l1Token The address of ERC721 NFT in layer 1.
-  /// @param _l2Token The address of ERC721 NFT in layer 2.
-  /// @param _from The address of sender in layer 1.
-  /// @param _to The address of recipient in layer 2.
-  /// @param _tokenId The token id of the ERC721 NFT to deposit in layer 1.
-  event DepositERC721(
-    address indexed _l1Token,
-    address indexed _l2Token,
-    address indexed _from,
-    address _to,
-    uint256 _tokenId
-  );
+    /// @notice Emitted when the ERC721 NFT is deposited to gateway in layer 1.
+    /// @param _l1Token The address of ERC721 NFT in layer 1.
+    /// @param _l2Token The address of ERC721 NFT in layer 2.
+    /// @param _from The address of sender in layer 1.
+    /// @param _to The address of recipient in layer 2.
+    /// @param _tokenId The token id of the ERC721 NFT to deposit in layer 1.
+    event DepositERC721(
+        address indexed _l1Token,
+        address indexed _l2Token,
+        address indexed _from,
+        address _to,
+        uint256 _tokenId
+    );
 
-  /// @notice Emitted when the ERC721 NFT is batch deposited to gateway in layer 1.
-  /// @param _l1Token The address of ERC721 NFT in layer 1.
-  /// @param _l2Token The address of ERC721 NFT in layer 2.
-  /// @param _from The address of sender in layer 1.
-  /// @param _to The address of recipient in layer 2.
-  /// @param _tokenIds The list of token ids of the ERC721 NFT to deposit in layer 1.
-  event BatchDepositERC721(
-    address indexed _l1Token,
-    address indexed _l2Token,
-    address indexed _from,
-    address _to,
-    uint256[] _tokenIds
-  );
+    /// @notice Emitted when the ERC721 NFT is batch deposited to gateway in layer 1.
+    /// @param _l1Token The address of ERC721 NFT in layer 1.
+    /// @param _l2Token The address of ERC721 NFT in layer 2.
+    /// @param _from The address of sender in layer 1.
+    /// @param _to The address of recipient in layer 2.
+    /// @param _tokenIds The list of token ids of the ERC721 NFT to deposit in layer 1.
+    event BatchDepositERC721(
+        address indexed _l1Token,
+        address indexed _l2Token,
+        address indexed _from,
+        address _to,
+        uint256[] _tokenIds
+    );
 
-  /****************************
-   * Public Mutated Functions *
-   ****************************/
+    /*****************************
+     * Public Mutating Functions *
+     *****************************/
 
-  /// @notice Deposit some ERC721 NFT to caller's account on layer 2.
-  /// @param _token The address of ERC721 NFT in layer 1.
-  /// @param _tokenId The token id to deposit.
-  /// @param _gasLimit Estimated gas limit required to complete the deposit on layer 2.
-  function depositERC721(
-    address _token,
-    uint256 _tokenId,
-    uint256 _gasLimit
-  ) external payable;
+    /// @notice Deposit some ERC721 NFT to caller's account on layer 2.
+    /// @param _token The address of ERC721 NFT in layer 1.
+    /// @param _tokenId The token id to deposit.
+    /// @param _gasLimit Estimated gas limit required to complete the deposit on layer 2.
+    function depositERC721(
+        address _token,
+        uint256 _tokenId,
+        uint256 _gasLimit
+    ) external payable;
 
-  /// @notice Deposit some ERC721 NFT to a recipient's account on layer 2.
-  /// @param _token The address of ERC721 NFT in layer 1.
-  /// @param _to The address of recipient in layer 2.
-  /// @param _tokenId The token id to deposit.
-  /// @param _gasLimit Estimated gas limit required to complete the deposit on layer 2.
-  function depositERC721(
-    address _token,
-    address _to,
-    uint256 _tokenId,
-    uint256 _gasLimit
-  ) external payable;
+    /// @notice Deposit some ERC721 NFT to a recipient's account on layer 2.
+    /// @param _token The address of ERC721 NFT in layer 1.
+    /// @param _to The address of recipient in layer 2.
+    /// @param _tokenId The token id to deposit.
+    /// @param _gasLimit Estimated gas limit required to complete the deposit on layer 2.
+    function depositERC721(
+        address _token,
+        address _to,
+        uint256 _tokenId,
+        uint256 _gasLimit
+    ) external payable;
 
-  /// @notice Deposit a list of some ERC721 NFT to caller's account on layer 2.
-  /// @param _token The address of ERC721 NFT in layer 1.
-  /// @param _tokenIds The list of token ids to deposit.
-  /// @param _gasLimit Estimated gas limit required to complete the deposit on layer 2.
-  function batchDepositERC721(
-    address _token,
-    uint256[] calldata _tokenIds,
-    uint256 _gasLimit
-  ) external payable;
+    /// @notice Deposit a list of some ERC721 NFT to caller's account on layer 2.
+    /// @param _token The address of ERC721 NFT in layer 1.
+    /// @param _tokenIds The list of token ids to deposit.
+    /// @param _gasLimit Estimated gas limit required to complete the deposit on layer 2.
+    function batchDepositERC721(
+        address _token,
+        uint256[] calldata _tokenIds,
+        uint256 _gasLimit
+    ) external payable;
 
-  /// @notice Deposit a list of some ERC721 NFT to a recipient's account on layer 2.
-  /// @param _token The address of ERC721 NFT in layer 1.
-  /// @param _to The address of recipient in layer 2.
-  /// @param _tokenIds The list of token ids to deposit.
-  /// @param _gasLimit Estimated gas limit required to complete the deposit on layer 2.
-  function batchDepositERC721(
-    address _token,
-    address _to,
-    uint256[] calldata _tokenIds,
-    uint256 _gasLimit
-  ) external payable;
+    /// @notice Deposit a list of some ERC721 NFT to a recipient's account on layer 2.
+    /// @param _token The address of ERC721 NFT in layer 1.
+    /// @param _to The address of recipient in layer 2.
+    /// @param _tokenIds The list of token ids to deposit.
+    /// @param _gasLimit Estimated gas limit required to complete the deposit on layer 2.
+    function batchDepositERC721(
+        address _token,
+        address _to,
+        uint256[] calldata _tokenIds,
+        uint256 _gasLimit
+    ) external payable;
 
-  /// @notice Complete ERC721 withdraw from layer 2 to layer 1 and send NFT to recipient's account in layer 1.
-  /// @dev Requirements:
-  ///  - The function should only be called by L1ScrollMessenger.
-  ///  - The function should also only be called by L2ERC721Gateway in layer 2.
-  /// @param _l1Token The address of corresponding layer 1 token.
-  /// @param _l2Token The address of corresponding layer 2 token.
-  /// @param _from The address of account who withdraw the token in layer 2.
-  /// @param _to The address of recipient in layer 1 to receive the token.
-  /// @param _tokenId The token id to withdraw.
-  function finalizeWithdrawERC721(
-    address _l1Token,
-    address _l2Token,
-    address _from,
-    address _to,
-    uint256 _tokenId
-  ) external;
+    /// @notice Complete ERC721 withdraw from layer 2 to layer 1 and send NFT to recipient's account in layer 1.
+    /// @dev Requirements:
+    ///  - The function should only be called by L1ScrollMessenger.
+    ///  - The function should also only be called by L2ERC721Gateway in layer 2.
+    /// @param _l1Token The address of corresponding layer 1 token.
+    /// @param _l2Token The address of corresponding layer 2 token.
+    /// @param _from The address of account who withdraw the token in layer 2.
+    /// @param _to The address of recipient in layer 1 to receive the token.
+    /// @param _tokenId The token id to withdraw.
+    function finalizeWithdrawERC721(
+        address _l1Token,
+        address _l2Token,
+        address _from,
+        address _to,
+        uint256 _tokenId
+    ) external;
 
-  /// @notice Complete ERC721 batch withdraw from layer 2 to layer 1 and send NFT to recipient's account in layer 1.
-  /// @dev Requirements:
-  ///  - The function should only be called by L1ScrollMessenger.
-  ///  - The function should also only be called by L2ERC721Gateway in layer 2.
-  /// @param _l1Token The address of corresponding layer 1 token.
-  /// @param _l2Token The address of corresponding layer 2 token.
-  /// @param _from The address of account who withdraw the token in layer 2.
-  /// @param _to The address of recipient in layer 1 to receive the token.
-  /// @param _tokenIds The list of token ids to withdraw.
-  function finalizeBatchWithdrawERC721(
-    address _l1Token,
-    address _l2Token,
-    address _from,
-    address _to,
-    uint256[] calldata _tokenIds
-  ) external;
+    /// @notice Complete ERC721 batch withdraw from layer 2 to layer 1 and send NFT to recipient's account in layer 1.
+    /// @dev Requirements:
+    ///  - The function should only be called by L1ScrollMessenger.
+    ///  - The function should also only be called by L2ERC721Gateway in layer 2.
+    /// @param _l1Token The address of corresponding layer 1 token.
+    /// @param _l2Token The address of corresponding layer 2 token.
+    /// @param _from The address of account who withdraw the token in layer 2.
+    /// @param _to The address of recipient in layer 1 to receive the token.
+    /// @param _tokenIds The list of token ids to withdraw.
+    function finalizeBatchWithdrawERC721(
+        address _l1Token,
+        address _l2Token,
+        address _from,
+        address _to,
+        uint256[] calldata _tokenIds
+    ) external;
 }

contracts/src/L1/gateways/IL1ETHGateway.sol

@@ -3,66 +3,66 @@
 pragma solidity ^0.8.0;
 
 interface IL1ETHGateway {
-  /**********
-   * Events *
-   **********/
+    /**********
+     * Events *
+     **********/
 
-  /// @notice Emitted when ETH is withdrawn from L2 to L1 and transfer to recipient.
-  /// @param from The address of sender in L2.
-  /// @param to The address of recipient in L1.
-  /// @param amount The amount of ETH withdrawn from L2 to L1.
-  /// @param data The optional calldata passed to recipient in L1.
-  event FinalizeWithdrawETH(address indexed from, address indexed to, uint256 amount, bytes data);
+    /// @notice Emitted when ETH is withdrawn from L2 to L1 and transfer to recipient.
+    /// @param from The address of sender in L2.
+    /// @param to The address of recipient in L1.
+    /// @param amount The amount of ETH withdrawn from L2 to L1.
+    /// @param data The optional calldata passed to recipient in L1.
+    event FinalizeWithdrawETH(address indexed from, address indexed to, uint256 amount, bytes data);
 
-  /// @notice Emitted when someone deposit ETH from L1 to L2.
-  /// @param from The address of sender in L1.
-  /// @param to The address of recipient in L2.
-  /// @param amount The amount of ETH will be deposited from L1 to L2.
-  /// @param data The optional calldata passed to recipient in L2.
-  event DepositETH(address indexed from, address indexed to, uint256 amount, bytes data);
+    /// @notice Emitted when someone deposit ETH from L1 to L2.
+    /// @param from The address of sender in L1.
+    /// @param to The address of recipient in L2.
+    /// @param amount The amount of ETH will be deposited from L1 to L2.
+    /// @param data The optional calldata passed to recipient in L2.
+    event DepositETH(address indexed from, address indexed to, uint256 amount, bytes data);
 
-  /****************************
-   * Public Mutated Functions *
-   ****************************/
+    /*****************************
+     * Public Mutating Functions *
+     *****************************/
 
-  /// @notice Deposit ETH to caller's account in L2.
-  /// @param amount The amount of ETH to be deposited.
-  /// @param gasLimit Gas limit required to complete the deposit on L2.
-  function depositETH(uint256 amount, uint256 gasLimit) external payable;
+    /// @notice Deposit ETH to caller's account in L2.
+    /// @param amount The amount of ETH to be deposited.
+    /// @param gasLimit Gas limit required to complete the deposit on L2.
+    function depositETH(uint256 amount, uint256 gasLimit) external payable;
 
-  /// @notice Deposit ETH to some recipient's account in L2.
-  /// @param to The address of recipient's account on L2.
-  /// @param amount The amount of ETH to be deposited.
-  /// @param gasLimit Gas limit required to complete the deposit on L2.
-  function depositETH(
-    address to,
-    uint256 amount,
-    uint256 gasLimit
-  ) external payable;
+    /// @notice Deposit ETH to some recipient's account in L2.
+    /// @param to The address of recipient's account on L2.
+    /// @param amount The amount of ETH to be deposited.
+    /// @param gasLimit Gas limit required to complete the deposit on L2.
+    function depositETH(
+        address to,
+        uint256 amount,
+        uint256 gasLimit
+    ) external payable;
 
-  /// @notice Deposit ETH to some recipient's account in L2 and call the target contract.
-  /// @param to The address of recipient's account on L2.
-  /// @param amount The amount of ETH to be deposited.
-  /// @param data Optional data to forward to recipient's account.
-  /// @param gasLimit Gas limit required to complete the deposit on L2.
-  function depositETHAndCall(
-    address to,
-    uint256 amount,
-    bytes calldata data,
-    uint256 gasLimit
-  ) external payable;
+    /// @notice Deposit ETH to some recipient's account in L2 and call the target contract.
+    /// @param to The address of recipient's account on L2.
+    /// @param amount The amount of ETH to be deposited.
+    /// @param data Optional data to forward to recipient's account.
+    /// @param gasLimit Gas limit required to complete the deposit on L2.
+    function depositETHAndCall(
+        address to,
+        uint256 amount,
+        bytes calldata data,
+        uint256 gasLimit
+    ) external payable;
 
-  /// @notice Complete ETH withdraw from L2 to L1 and send fund to recipient's account in L1.
-  /// @dev This function should only be called by L1ScrollMessenger.
-  ///      This function should also only be called by L1ETHGateway in L2.
-  /// @param from The address of account who withdraw ETH in L2.
-  /// @param to The address of recipient in L1 to receive ETH.
-  /// @param amount The amount of ETH to withdraw.
-  /// @param data Optional data to forward to recipient's account.
-  function finalizeWithdrawETH(
-    address from,
-    address to,
-    uint256 amount,
-    bytes calldata data
-  ) external payable;
+    /// @notice Complete ETH withdraw from L2 to L1 and send fund to recipient's account in L1.
+    /// @dev This function should only be called by L1ScrollMessenger.
+    ///      This function should also only be called by L1ETHGateway in L2.
+    /// @param from The address of account who withdraw ETH in L2.
+    /// @param to The address of recipient in L1 to receive ETH.
+    /// @param amount The amount of ETH to withdraw.
+    /// @param data Optional data to forward to recipient's account.
+    function finalizeWithdrawETH(
+        address from,
+        address to,
+        uint256 amount,
+        bytes calldata data
+    ) external payable;
 }

contracts/src/L1/gateways/IL1GatewayRouter.sol

@@ -2,24 +2,24 @@
 
 pragma solidity ^0.8.0;
 
-import { IL1ETHGateway } from "./IL1ETHGateway.sol";
-import { IL1ERC20Gateway } from "./IL1ERC20Gateway.sol";
+import {IL1ETHGateway} from "./IL1ETHGateway.sol";
+import {IL1ERC20Gateway} from "./IL1ERC20Gateway.sol";
 
 interface IL1GatewayRouter is IL1ETHGateway, IL1ERC20Gateway {
-  /**********
-   * Events *
-   **********/
+    /**********
+     * Events *
+     **********/
 
-  /// @notice Emitted when the address of ETH Gateway is updated.
-  /// @param ethGateway The address of new ETH Gateway.
-  event SetETHGateway(address indexed ethGateway);
+    /// @notice Emitted when the address of ETH Gateway is updated.
+    /// @param ethGateway The address of new ETH Gateway.
+    event SetETHGateway(address indexed ethGateway);
 
-  /// @notice Emitted when the address of default ERC20 Gateway is updated.
-  /// @param defaultERC20Gateway The address of new default ERC20 Gateway.
-  event SetDefaultERC20Gateway(address indexed defaultERC20Gateway);
+    /// @notice Emitted when the address of default ERC20 Gateway is updated.
+    /// @param defaultERC20Gateway The address of new default ERC20 Gateway.
+    event SetDefaultERC20Gateway(address indexed defaultERC20Gateway);
 
-  /// @notice Emitted when the `gateway` for `token` is updated.
-  /// @param token The address of token updated.
-  /// @param gateway The corresponding address of gateway updated.
-  event SetERC20Gateway(address indexed token, address indexed gateway);
+    /// @notice Emitted when the `gateway` for `token` is updated.
+    /// @param token The address of token updated.
+    /// @param gateway The corresponding address of gateway updated.
+    event SetERC20Gateway(address indexed token, address indexed gateway);
 }

contracts/src/L1/gateways/L1CustomERC20Gateway.sol

@@ -2,16 +2,16 @@
 
 pragma solidity ^0.8.0;
 
-import { OwnableUpgradeable } from "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol";
-import { IERC20Upgradeable } from "@openzeppelin/contracts-upgradeable/token/ERC20/IERC20Upgradeable.sol";
-import { SafeERC20Upgradeable } from "@openzeppelin/contracts-upgradeable/token/ERC20/utils/SafeERC20Upgradeable.sol";
+import {OwnableUpgradeable} from "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol";
+import {IERC20Upgradeable} from "@openzeppelin/contracts-upgradeable/token/ERC20/IERC20Upgradeable.sol";
+import {SafeERC20Upgradeable} from "@openzeppelin/contracts-upgradeable/token/ERC20/utils/SafeERC20Upgradeable.sol";
 
-import { IL2ERC20Gateway } from "../../L2/gateways/IL2ERC20Gateway.sol";
-import { IL1ScrollMessenger } from "../IL1ScrollMessenger.sol";
-import { IL1ERC20Gateway } from "./IL1ERC20Gateway.sol";
+import {IL2ERC20Gateway} from "../../L2/gateways/IL2ERC20Gateway.sol";
+import {IL1ScrollMessenger} from "../IL1ScrollMessenger.sol";
+import {IL1ERC20Gateway} from "./IL1ERC20Gateway.sol";
 
-import { ScrollGatewayBase } from "../../libraries/gateway/ScrollGatewayBase.sol";
-import { L1ERC20Gateway } from "./L1ERC20Gateway.sol";
+import {ScrollGatewayBase} from "../../libraries/gateway/ScrollGatewayBase.sol";
+import {L1ERC20Gateway} from "./L1ERC20Gateway.sol";
 
 /// @title L1CustomERC20Gateway
 /// @notice The `L1CustomERC20Gateway` is used to deposit custom ERC20 compatible tokens in layer 1 and
@@ -19,139 +19,139 @@ import { L1ERC20Gateway } from "./L1ERC20Gateway.sol";
 /// @dev The deposited tokens are held in this gateway. On finalizing withdraw, the corresponding
 /// tokens will be transfer to the recipient directly.
 contract L1CustomERC20Gateway is OwnableUpgradeable, ScrollGatewayBase, L1ERC20Gateway {
-  using SafeERC20Upgradeable for IERC20Upgradeable;
+    using SafeERC20Upgradeable for IERC20Upgradeable;
 
-  /**********
-   * Events *
-   **********/
+    /**********
+     * Events *
+     **********/
 
-  /// @notice Emitted when token mapping for ERC20 token is updated.
-  /// @param _l1Token The address of ERC20 token in layer 1.
-  /// @param _l2Token The address of corresponding ERC20 token in layer 2.
-  event UpdateTokenMapping(address _l1Token, address _l2Token);
+    /// @notice Emitted when token mapping for ERC20 token is updated.
+    /// @param _l1Token The address of ERC20 token in layer 1.
+    /// @param _l2Token The address of corresponding ERC20 token in layer 2.
+    event UpdateTokenMapping(address _l1Token, address _l2Token);
 
-  /*************
-   * Variables *
-   *************/
+    /*************
+     * Variables *
+     *************/
 
-  /// @notice Mapping from l1 token address to l2 token address for ERC20 token.
-  mapping(address => address) public tokenMapping;
+    /// @notice Mapping from l1 token address to l2 token address for ERC20 token.
+    mapping(address => address) public tokenMapping;
 
-  /***************
-   * Constructor *
-   ***************/
+    /***************
+     * Constructor *
+     ***************/
 
-  /// @notice Initialize the storage of L1CustomERC20Gateway.
-  /// @param _counterpart The address of L2CustomERC20Gateway in L2.
-  /// @param _router The address of L1GatewayRouter.
-  /// @param _messenger The address of L1ScrollMessenger.
-  function initialize(
-    address _counterpart,
-    address _router,
-    address _messenger
-  ) external initializer {
-    require(_router != address(0), "zero router address");
+    /// @notice Initialize the storage of L1CustomERC20Gateway.
+    /// @param _counterpart The address of L2CustomERC20Gateway in L2.
+    /// @param _router The address of L1GatewayRouter.
+    /// @param _messenger The address of L1ScrollMessenger.
+    function initialize(
+        address _counterpart,
+        address _router,
+        address _messenger
+    ) external initializer {
+        require(_router != address(0), "zero router address");
 
-    OwnableUpgradeable.__Ownable_init();
-    ScrollGatewayBase._initialize(_counterpart, _router, _messenger);
-  }
-
-  /*************************
-   * Public View Functions *
-   *************************/
-
-  /// @inheritdoc IL1ERC20Gateway
-  function getL2ERC20Address(address _l1Token) public view override returns (address) {
-    return tokenMapping[_l1Token];
-  }
-
-  /****************************
-   * Public Mutated Functions *
-   ****************************/
-
-  /// @inheritdoc IL1ERC20Gateway
-  function finalizeWithdrawERC20(
-    address _l1Token,
-    address _l2Token,
-    address _from,
-    address _to,
-    uint256 _amount,
-    bytes calldata _data
-  ) external payable override onlyCallByCounterpart {
-    require(msg.value == 0, "nonzero msg.value");
-    require(_l2Token == tokenMapping[_l1Token], "l2 token mismatch");
-
-    // @note can possible trigger reentrant call to this contract or messenger,
-    // but it seems not a big problem.
-    IERC20Upgradeable(_l1Token).safeTransfer(_to, _amount);
-
-    // @todo forward `_data` to `_to` in the near future
-
-    emit FinalizeWithdrawERC20(_l1Token, _l2Token, _from, _to, _amount, _data);
-  }
-
-  /************************
-   * Restricted Functions *
-   ************************/
-
-  /// @notice Update layer 1 to layer 2 token mapping.
-  /// @param _l1Token The address of ERC20 token in layer 1.
-  /// @param _l2Token The address of corresponding ERC20 token in layer 2.
-  function updateTokenMapping(address _l1Token, address _l2Token) external onlyOwner {
-    require(_l2Token != address(0), "map to zero address");
-
-    tokenMapping[_l1Token] = _l2Token;
-
-    emit UpdateTokenMapping(_l1Token, _l2Token);
-  }
-
-  /**********************
-   * Internal Functions *
-   **********************/
-
-  /// @inheritdoc L1ERC20Gateway
-  function _deposit(
-    address _token,
-    address _to,
-    uint256 _amount,
-    bytes memory _data,
-    uint256 _gasLimit
-  ) internal virtual override nonReentrant {
-    address _l2Token = tokenMapping[_token];
-    require(_l2Token != address(0), "no corresponding l2 token");
-
-    // 1. Extract real sender if this call is from L1GatewayRouter.
-    address _from = msg.sender;
-    if (router == msg.sender) {
-      (_from, _data) = abi.decode(_data, (address, bytes));
+        OwnableUpgradeable.__Ownable_init();
+        ScrollGatewayBase._initialize(_counterpart, _router, _messenger);
     }
 
-    // 2. Transfer token into this contract.
-    {
-      // common practice to handle fee on transfer token.
-      uint256 _before = IERC20Upgradeable(_token).balanceOf(address(this));
-      IERC20Upgradeable(_token).safeTransferFrom(_from, address(this), _amount);
-      uint256 _after = IERC20Upgradeable(_token).balanceOf(address(this));
-      // no unchecked here, since some weird token may return arbitrary balance.
-      _amount = _after - _before;
-      // ignore weird fee on transfer token
-      require(_amount > 0, "deposit zero amount");
+    /*************************
+     * Public View Functions *
+     *************************/
+
+    /// @inheritdoc IL1ERC20Gateway
+    function getL2ERC20Address(address _l1Token) public view override returns (address) {
+        return tokenMapping[_l1Token];
     }
 
-    // 3. Generate message passed to L2StandardERC20Gateway.
-    bytes memory _message = abi.encodeWithSelector(
-      IL2ERC20Gateway.finalizeDepositERC20.selector,
-      _token,
-      _l2Token,
-      _from,
-      _to,
-      _amount,
-      _data
-    );
+    /*****************************
+     * Public Mutating Functions *
+     *****************************/
 
-    // 4. Send message to L1ScrollMessenger.
-    IL1ScrollMessenger(messenger).sendMessage{ value: msg.value }(counterpart, 0, _message, _gasLimit);
+    /// @inheritdoc IL1ERC20Gateway
+    function finalizeWithdrawERC20(
+        address _l1Token,
+        address _l2Token,
+        address _from,
+        address _to,
+        uint256 _amount,
+        bytes calldata _data
+    ) external payable override onlyCallByCounterpart {
+        require(msg.value == 0, "nonzero msg.value");
+        require(_l2Token == tokenMapping[_l1Token], "l2 token mismatch");
 
-    emit DepositERC20(_token, _l2Token, _from, _to, _amount, _data);
-  }
+        // @note can possible trigger reentrant call to this contract or messenger,
+        // but it seems not a big problem.
+        IERC20Upgradeable(_l1Token).safeTransfer(_to, _amount);
+
+        // @todo forward `_data` to `_to` in the near future
+
+        emit FinalizeWithdrawERC20(_l1Token, _l2Token, _from, _to, _amount, _data);
+    }
+
+    /************************
+     * Restricted Functions *
+     ************************/
+
+    /// @notice Update layer 1 to layer 2 token mapping.
+    /// @param _l1Token The address of ERC20 token in layer 1.
+    /// @param _l2Token The address of corresponding ERC20 token in layer 2.
+    function updateTokenMapping(address _l1Token, address _l2Token) external onlyOwner {
+        require(_l2Token != address(0), "map to zero address");
+
+        tokenMapping[_l1Token] = _l2Token;
+
+        emit UpdateTokenMapping(_l1Token, _l2Token);
+    }
+
+    /**********************
+     * Internal Functions *
+     **********************/
+
+    /// @inheritdoc L1ERC20Gateway
+    function _deposit(
+        address _token,
+        address _to,
+        uint256 _amount,
+        bytes memory _data,
+        uint256 _gasLimit
+    ) internal virtual override nonReentrant {
+        address _l2Token = tokenMapping[_token];
+        require(_l2Token != address(0), "no corresponding l2 token");
+
+        // 1. Extract real sender if this call is from L1GatewayRouter.
+        address _from = msg.sender;
+        if (router == msg.sender) {
+            (_from, _data) = abi.decode(_data, (address, bytes));
+        }
+
+        // 2. Transfer token into this contract.
+        {
+            // common practice to handle fee on transfer token.
+            uint256 _before = IERC20Upgradeable(_token).balanceOf(address(this));
+            IERC20Upgradeable(_token).safeTransferFrom(_from, address(this), _amount);
+            uint256 _after = IERC20Upgradeable(_token).balanceOf(address(this));
+            // no unchecked here, since some weird token may return arbitrary balance.
+            _amount = _after - _before;
+            // ignore weird fee on transfer token
+            require(_amount > 0, "deposit zero amount");
+        }
+
+        // 3. Generate message passed to L2StandardERC20Gateway.
+        bytes memory _message = abi.encodeWithSelector(
+            IL2ERC20Gateway.finalizeDepositERC20.selector,
+            _token,
+            _l2Token,
+            _from,
+            _to,
+            _amount,
+            _data
+        );
+
+        // 4. Send message to L1ScrollMessenger.
+        IL1ScrollMessenger(messenger).sendMessage{value: msg.value}(counterpart, 0, _message, _gasLimit);
+
+        emit DepositERC20(_token, _l2Token, _from, _to, _amount, _data);
+    }
 }

contracts/src/L1/gateways/L1ERC1155Gateway.sol

@@ -2,15 +2,15 @@
 
 pragma solidity ^0.8.0;
 
-import { OwnableUpgradeable } from "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol";
-import { IERC1155Upgradeable } from "@openzeppelin/contracts-upgradeable/token/ERC1155/IERC1155Upgradeable.sol";
-import { ERC1155HolderUpgradeable } from "@openzeppelin/contracts-upgradeable/token/ERC1155/utils/ERC1155HolderUpgradeable.sol";
+import {OwnableUpgradeable} from "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol";
+import {IERC1155Upgradeable} from "@openzeppelin/contracts-upgradeable/token/ERC1155/IERC1155Upgradeable.sol";
+import {ERC1155HolderUpgradeable} from "@openzeppelin/contracts-upgradeable/token/ERC1155/utils/ERC1155HolderUpgradeable.sol";
 
-import { IL2ERC1155Gateway } from "../../L2/gateways/IL2ERC1155Gateway.sol";
-import { IL1ScrollMessenger } from "../IL1ScrollMessenger.sol";
-import { IL1ERC1155Gateway } from "./IL1ERC1155Gateway.sol";
+import {IL2ERC1155Gateway} from "../../L2/gateways/IL2ERC1155Gateway.sol";
+import {IL1ScrollMessenger} from "../IL1ScrollMessenger.sol";
+import {IL1ERC1155Gateway} from "./IL1ERC1155Gateway.sol";
 
-import { ScrollGatewayBase } from "../../libraries/gateway/ScrollGatewayBase.sol";
+import {ScrollGatewayBase} from "../../libraries/gateway/ScrollGatewayBase.sol";
 
 /// @title L1ERC1155Gateway
 /// @notice The `L1ERC1155Gateway` is used to deposit ERC1155 compatible NFT in layer 1 and
@@ -21,209 +21,209 @@ import { ScrollGatewayBase } from "../../libraries/gateway/ScrollGatewayBase.sol
 /// This will be changed if we have more specific scenarios.
 // @todo Current implementation doesn't support calling from `L1GatewayRouter`.
 contract L1ERC1155Gateway is OwnableUpgradeable, ERC1155HolderUpgradeable, ScrollGatewayBase, IL1ERC1155Gateway {
-  /**********
-   * Events *
-   **********/
+    /**********
+     * Events *
+     **********/
 
-  /// @notice Emitted when token mapping for ERC1155 token is updated.
-  /// @param _l1Token The address of ERC1155 token in layer 1.
-  /// @param _l1Token The address of corresponding ERC1155 token in layer 2.
-  event UpdateTokenMapping(address _l1Token, address _l2Token);
+    /// @notice Emitted when token mapping for ERC1155 token is updated.
+    /// @param _l1Token The address of ERC1155 token in layer 1.
+    /// @param _l1Token The address of corresponding ERC1155 token in layer 2.
+    event UpdateTokenMapping(address _l1Token, address _l2Token);
 
-  /*************
-   * Variables *
-   *************/
+    /*************
+     * Variables *
+     *************/
 
-  /// @notice Mapping from l1 token address to l2 token address for ERC1155 NFT.
-  mapping(address => address) public tokenMapping;
+    /// @notice Mapping from l1 token address to l2 token address for ERC1155 NFT.
+    mapping(address => address) public tokenMapping;
 
-  /***************
-   * Constructor *
-   ***************/
+    /***************
+     * Constructor *
+     ***************/
 
-  /// @notice Initialize the storage of L1ERC1155Gateway.
-  /// @param _counterpart The address of L2ERC1155Gateway in L2.
-  /// @param _messenger The address of L1ScrollMessenger.
-  function initialize(address _counterpart, address _messenger) external initializer {
-    OwnableUpgradeable.__Ownable_init();
-    ScrollGatewayBase._initialize(_counterpart, address(0), _messenger);
-  }
-
-  /****************************
-   * Public Mutated Functions *
-   ****************************/
-
-  /// @inheritdoc IL1ERC1155Gateway
-  function depositERC1155(
-    address _token,
-    uint256 _tokenId,
-    uint256 _amount,
-    uint256 _gasLimit
-  ) external payable override {
-    _depositERC1155(_token, msg.sender, _tokenId, _amount, _gasLimit);
-  }
-
-  /// @inheritdoc IL1ERC1155Gateway
-  function depositERC1155(
-    address _token,
-    address _to,
-    uint256 _tokenId,
-    uint256 _amount,
-    uint256 _gasLimit
-  ) external payable override {
-    _depositERC1155(_token, _to, _tokenId, _amount, _gasLimit);
-  }
-
-  /// @inheritdoc IL1ERC1155Gateway
-  function batchDepositERC1155(
-    address _token,
-    uint256[] calldata _tokenIds,
-    uint256[] calldata _amounts,
-    uint256 _gasLimit
-  ) external payable override {
-    _batchDepositERC1155(_token, msg.sender, _tokenIds, _amounts, _gasLimit);
-  }
-
-  /// @inheritdoc IL1ERC1155Gateway
-  function batchDepositERC1155(
-    address _token,
-    address _to,
-    uint256[] calldata _tokenIds,
-    uint256[] calldata _amounts,
-    uint256 _gasLimit
-  ) external payable override {
-    _batchDepositERC1155(_token, _to, _tokenIds, _amounts, _gasLimit);
-  }
-
-  /// @inheritdoc IL1ERC1155Gateway
-  function finalizeWithdrawERC1155(
-    address _l1Token,
-    address _l2Token,
-    address _from,
-    address _to,
-    uint256 _tokenId,
-    uint256 _amount
-  ) external override nonReentrant onlyCallByCounterpart {
-    require(_l2Token == tokenMapping[_l1Token], "l2 token mismatch");
-
-    IERC1155Upgradeable(_l1Token).safeTransferFrom(address(this), _to, _tokenId, _amount, "");
-
-    emit FinalizeWithdrawERC1155(_l1Token, _l2Token, _from, _to, _tokenId, _amount);
-  }
-
-  /// @inheritdoc IL1ERC1155Gateway
-  function finalizeBatchWithdrawERC1155(
-    address _l1Token,
-    address _l2Token,
-    address _from,
-    address _to,
-    uint256[] calldata _tokenIds,
-    uint256[] calldata _amounts
-  ) external override nonReentrant onlyCallByCounterpart {
-    require(_l2Token == tokenMapping[_l1Token], "l2 token mismatch");
-
-    IERC1155Upgradeable(_l1Token).safeBatchTransferFrom(address(this), _to, _tokenIds, _amounts, "");
-
-    emit FinalizeBatchWithdrawERC1155(_l1Token, _l2Token, _from, _to, _tokenIds, _amounts);
-  }
-
-  /************************
-   * Restricted Functions *
-   ************************/
-
-  /// @notice Update layer 2 to layer 2 token mapping.
-  /// @param _l1Token The address of ERC1155 token in layer 1.
-  /// @param _l1Token The address of corresponding ERC1155 token in layer 2.
-  function updateTokenMapping(address _l1Token, address _l2Token) external onlyOwner {
-    require(_l2Token != address(0), "map to zero address");
-
-    tokenMapping[_l1Token] = _l2Token;
-
-    emit UpdateTokenMapping(_l1Token, _l2Token);
-  }
-
-  /**********************
-   * Internal Functions *
-   **********************/
-
-  /// @dev Internal function to deposit ERC1155 NFT to layer 2.
-  /// @param _token The address of ERC1155 NFT in layer 1.
-  /// @param _to The address of recipient in layer 2.
-  /// @param _tokenId The token id to deposit.
-  /// @param _amount The amount of token to deposit.
-  /// @param _gasLimit Estimated gas limit required to complete the deposit on layer 2.
-  function _depositERC1155(
-    address _token,
-    address _to,
-    uint256 _tokenId,
-    uint256 _amount,
-    uint256 _gasLimit
-  ) internal nonReentrant {
-    require(_amount > 0, "deposit zero amount");
-
-    address _l2Token = tokenMapping[_token];
-    require(_l2Token != address(0), "token not supported");
-
-    // 1. transfer token to this contract
-    IERC1155Upgradeable(_token).safeTransferFrom(msg.sender, address(this), _tokenId, _amount, "");
-
-    // 2. Generate message passed to L2ERC1155Gateway.
-    bytes memory _message = abi.encodeWithSelector(
-      IL2ERC1155Gateway.finalizeDepositERC1155.selector,
-      _token,
-      _l2Token,
-      msg.sender,
-      _to,
-      _tokenId,
-      _amount
-    );
-
-    // 3. Send message to L1ScrollMessenger.
-    IL1ScrollMessenger(messenger).sendMessage{ value: msg.value }(counterpart, 0, _message, _gasLimit);
-
-    emit DepositERC1155(_token, _l2Token, msg.sender, _to, _tokenId, _amount);
-  }
-
-  /// @dev Internal function to batch deposit ERC1155 NFT to layer 2.
-  /// @param _token The address of ERC1155 NFT in layer 1.
-  /// @param _to The address of recipient in layer 2.
-  /// @param _tokenIds The list of token ids to deposit.
-  /// @param _amounts The list of corresponding number of token to deposit.
-  /// @param _gasLimit Estimated gas limit required to complete the deposit on layer 2.
-  function _batchDepositERC1155(
-    address _token,
-    address _to,
-    uint256[] calldata _tokenIds,
-    uint256[] calldata _amounts,
-    uint256 _gasLimit
-  ) internal nonReentrant {
-    require(_tokenIds.length > 0, "no token to deposit");
-    require(_tokenIds.length == _amounts.length, "length mismatch");
-
-    for (uint256 i = 0; i < _amounts.length; i++) {
-      require(_amounts[i] > 0, "deposit zero amount");
+    /// @notice Initialize the storage of L1ERC1155Gateway.
+    /// @param _counterpart The address of L2ERC1155Gateway in L2.
+    /// @param _messenger The address of L1ScrollMessenger.
+    function initialize(address _counterpart, address _messenger) external initializer {
+        OwnableUpgradeable.__Ownable_init();
+        ScrollGatewayBase._initialize(_counterpart, address(0), _messenger);
     }
 
-    address _l2Token = tokenMapping[_token];
-    require(_l2Token != address(0), "token not supported");
+    /*****************************
+     * Public Mutating Functions *
+     *****************************/
 
-    // 1. transfer token to this contract
-    IERC1155Upgradeable(_token).safeBatchTransferFrom(msg.sender, address(this), _tokenIds, _amounts, "");
+    /// @inheritdoc IL1ERC1155Gateway
+    function depositERC1155(
+        address _token,
+        uint256 _tokenId,
+        uint256 _amount,
+        uint256 _gasLimit
+    ) external payable override {
+        _depositERC1155(_token, msg.sender, _tokenId, _amount, _gasLimit);
+    }
 
-    // 2. Generate message passed to L2ERC1155Gateway.
-    bytes memory _message = abi.encodeWithSelector(
-      IL2ERC1155Gateway.finalizeBatchDepositERC1155.selector,
-      _token,
-      _l2Token,
-      msg.sender,
-      _to,
-      _tokenIds,
-      _amounts
-    );
+    /// @inheritdoc IL1ERC1155Gateway
+    function depositERC1155(
+        address _token,
+        address _to,
+        uint256 _tokenId,
+        uint256 _amount,
+        uint256 _gasLimit
+    ) external payable override {
+        _depositERC1155(_token, _to, _tokenId, _amount, _gasLimit);
+    }
 
-    // 3. Send message to L1ScrollMessenger.
-    IL1ScrollMessenger(messenger).sendMessage{ value: msg.value }(counterpart, 0, _message, _gasLimit);
+    /// @inheritdoc IL1ERC1155Gateway
+    function batchDepositERC1155(
+        address _token,
+        uint256[] calldata _tokenIds,
+        uint256[] calldata _amounts,
+        uint256 _gasLimit
+    ) external payable override {
+        _batchDepositERC1155(_token, msg.sender, _tokenIds, _amounts, _gasLimit);
+    }
 
-    emit BatchDepositERC1155(_token, _l2Token, msg.sender, _to, _tokenIds, _amounts);
-  }
+    /// @inheritdoc IL1ERC1155Gateway
+    function batchDepositERC1155(
+        address _token,
+        address _to,
+        uint256[] calldata _tokenIds,
+        uint256[] calldata _amounts,
+        uint256 _gasLimit
+    ) external payable override {
+        _batchDepositERC1155(_token, _to, _tokenIds, _amounts, _gasLimit);
+    }
+
+    /// @inheritdoc IL1ERC1155Gateway
+    function finalizeWithdrawERC1155(
+        address _l1Token,
+        address _l2Token,
+        address _from,
+        address _to,
+        uint256 _tokenId,
+        uint256 _amount
+    ) external override nonReentrant onlyCallByCounterpart {
+        require(_l2Token == tokenMapping[_l1Token], "l2 token mismatch");
+
+        IERC1155Upgradeable(_l1Token).safeTransferFrom(address(this), _to, _tokenId, _amount, "");
+
+        emit FinalizeWithdrawERC1155(_l1Token, _l2Token, _from, _to, _tokenId, _amount);
+    }
+
+    /// @inheritdoc IL1ERC1155Gateway
+    function finalizeBatchWithdrawERC1155(
+        address _l1Token,
+        address _l2Token,
+        address _from,
+        address _to,
+        uint256[] calldata _tokenIds,
+        uint256[] calldata _amounts
+    ) external override nonReentrant onlyCallByCounterpart {
+        require(_l2Token == tokenMapping[_l1Token], "l2 token mismatch");
+
+        IERC1155Upgradeable(_l1Token).safeBatchTransferFrom(address(this), _to, _tokenIds, _amounts, "");
+
+        emit FinalizeBatchWithdrawERC1155(_l1Token, _l2Token, _from, _to, _tokenIds, _amounts);
+    }
+
+    /************************
+     * Restricted Functions *
+     ************************/
+
+    /// @notice Update layer 2 to layer 2 token mapping.
+    /// @param _l1Token The address of ERC1155 token in layer 1.
+    /// @param _l1Token The address of corresponding ERC1155 token in layer 2.
+    function updateTokenMapping(address _l1Token, address _l2Token) external onlyOwner {
+        require(_l2Token != address(0), "map to zero address");
+
+        tokenMapping[_l1Token] = _l2Token;
+
+        emit UpdateTokenMapping(_l1Token, _l2Token);
+    }
+
+    /**********************
+     * Internal Functions *
+     **********************/
+
+    /// @dev Internal function to deposit ERC1155 NFT to layer 2.
+    /// @param _token The address of ERC1155 NFT in layer 1.
+    /// @param _to The address of recipient in layer 2.
+    /// @param _tokenId The token id to deposit.
+    /// @param _amount The amount of token to deposit.
+    /// @param _gasLimit Estimated gas limit required to complete the deposit on layer 2.
+    function _depositERC1155(
+        address _token,
+        address _to,
+        uint256 _tokenId,
+        uint256 _amount,
+        uint256 _gasLimit
+    ) internal nonReentrant {
+        require(_amount > 0, "deposit zero amount");
+
+        address _l2Token = tokenMapping[_token];
+        require(_l2Token != address(0), "token not supported");
+
+        // 1. transfer token to this contract
+        IERC1155Upgradeable(_token).safeTransferFrom(msg.sender, address(this), _tokenId, _amount, "");
+
+        // 2. Generate message passed to L2ERC1155Gateway.
+        bytes memory _message = abi.encodeWithSelector(
+            IL2ERC1155Gateway.finalizeDepositERC1155.selector,
+            _token,
+            _l2Token,
+            msg.sender,
+            _to,
+            _tokenId,
+            _amount
+        );
+
+        // 3. Send message to L1ScrollMessenger.
+        IL1ScrollMessenger(messenger).sendMessage{value: msg.value}(counterpart, 0, _message, _gasLimit);
+
+        emit DepositERC1155(_token, _l2Token, msg.sender, _to, _tokenId, _amount);
+    }
+
+    /// @dev Internal function to batch deposit ERC1155 NFT to layer 2.
+    /// @param _token The address of ERC1155 NFT in layer 1.
+    /// @param _to The address of recipient in layer 2.
+    /// @param _tokenIds The list of token ids to deposit.
+    /// @param _amounts The list of corresponding number of token to deposit.
+    /// @param _gasLimit Estimated gas limit required to complete the deposit on layer 2.
+    function _batchDepositERC1155(
+        address _token,
+        address _to,
+        uint256[] calldata _tokenIds,
+        uint256[] calldata _amounts,
+        uint256 _gasLimit
+    ) internal nonReentrant {
+        require(_tokenIds.length > 0, "no token to deposit");
+        require(_tokenIds.length == _amounts.length, "length mismatch");
+
+        for (uint256 i = 0; i < _amounts.length; i++) {
+            require(_amounts[i] > 0, "deposit zero amount");
+        }
+
+        address _l2Token = tokenMapping[_token];
+        require(_l2Token != address(0), "token not supported");
+
+        // 1. transfer token to this contract
+        IERC1155Upgradeable(_token).safeBatchTransferFrom(msg.sender, address(this), _tokenIds, _amounts, "");
+
+        // 2. Generate message passed to L2ERC1155Gateway.
+        bytes memory _message = abi.encodeWithSelector(
+            IL2ERC1155Gateway.finalizeBatchDepositERC1155.selector,
+            _token,
+            _l2Token,
+            msg.sender,
+            _to,
+            _tokenIds,
+            _amounts
+        );
+
+        // 3. Send message to L1ScrollMessenger.
+        IL1ScrollMessenger(messenger).sendMessage{value: msg.value}(counterpart, 0, _message, _gasLimit);
+
+        emit BatchDepositERC1155(_token, _l2Token, msg.sender, _to, _tokenIds, _amounts);
+    }
 }

contracts/src/L1/gateways/L1ERC20Gateway.sol

@@ -2,61 +2,61 @@
 
 pragma solidity ^0.8.0;
 
-import { IL1ERC20Gateway } from "./IL1ERC20Gateway.sol";
+import {IL1ERC20Gateway} from "./IL1ERC20Gateway.sol";
 
 // solhint-disable no-empty-blocks
 
 abstract contract L1ERC20Gateway is IL1ERC20Gateway {
-  /****************************
-   * Public Mutated Functions *
-   ****************************/
+    /*****************************
+     * Public Mutating Functions *
+     *****************************/
 
-  /// @inheritdoc IL1ERC20Gateway
-  function depositERC20(
-    address _token,
-    uint256 _amount,
-    uint256 _gasLimit
-  ) external payable override {
-    _deposit(_token, msg.sender, _amount, new bytes(0), _gasLimit);
-  }
+    /// @inheritdoc IL1ERC20Gateway
+    function depositERC20(
+        address _token,
+        uint256 _amount,
+        uint256 _gasLimit
+    ) external payable override {
+        _deposit(_token, msg.sender, _amount, new bytes(0), _gasLimit);
+    }
 
-  /// @inheritdoc IL1ERC20Gateway
-  function depositERC20(
-    address _token,
-    address _to,
-    uint256 _amount,
-    uint256 _gasLimit
-  ) external payable override {
-    _deposit(_token, _to, _amount, new bytes(0), _gasLimit);
-  }
+    /// @inheritdoc IL1ERC20Gateway
+    function depositERC20(
+        address _token,
+        address _to,
+        uint256 _amount,
+        uint256 _gasLimit
+    ) external payable override {
+        _deposit(_token, _to, _amount, new bytes(0), _gasLimit);
+    }
 
-  /// @inheritdoc IL1ERC20Gateway
-  function depositERC20AndCall(
-    address _token,
-    address _to,
-    uint256 _amount,
-    bytes memory _data,
-    uint256 _gasLimit
-  ) external payable override {
-    _deposit(_token, _to, _amount, _data, _gasLimit);
-  }
+    /// @inheritdoc IL1ERC20Gateway
+    function depositERC20AndCall(
+        address _token,
+        address _to,
+        uint256 _amount,
+        bytes memory _data,
+        uint256 _gasLimit
+    ) external payable override {
+        _deposit(_token, _to, _amount, _data, _gasLimit);
+    }
 
-  /**********************
-   * Internal Functions *
-   **********************/
+    /**********************
+     * Internal Functions *
+     **********************/
 
-  /// @dev Internal function to do all the deposit operations.
-  ///
-  /// @param _token The token to deposit.
-  /// @param _to The recipient address to recieve the token in L2.
-  /// @param _amount The amount of token to deposit.
-  /// @param _data Optional data to forward to recipient's account.
-  /// @param _gasLimit Gas limit required to complete the deposit on L2.
-  function _deposit(
-    address _token,
-    address _to,
-    uint256 _amount,
-    bytes memory _data,
-    uint256 _gasLimit
-  ) internal virtual;
+    /// @dev Internal function to do all the deposit operations.
+    ///
+    /// @param _token The token to deposit.
+    /// @param _to The recipient address to recieve the token in L2.
+    /// @param _amount The amount of token to deposit.
+    /// @param _data Optional data to forward to recipient's account.
+    /// @param _gasLimit Gas limit required to complete the deposit on L2.
+    function _deposit(
+        address _token,
+        address _to,
+        uint256 _amount,
+        bytes memory _data,
+        uint256 _gasLimit
+    ) internal virtual;
 }

contracts/src/L1/gateways/L1ERC721Gateway.sol

@@ -2,15 +2,15 @@
 
 pragma solidity ^0.8.0;
 
-import { OwnableUpgradeable } from "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol";
-import { IERC721Upgradeable } from "@openzeppelin/contracts-upgradeable/token/ERC721/IERC721Upgradeable.sol";
-import { ERC721HolderUpgradeable } from "@openzeppelin/contracts-upgradeable/token/ERC721/utils/ERC721HolderUpgradeable.sol";
+import {OwnableUpgradeable} from "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol";
+import {IERC721Upgradeable} from "@openzeppelin/contracts-upgradeable/token/ERC721/IERC721Upgradeable.sol";
+import {ERC721HolderUpgradeable} from "@openzeppelin/contracts-upgradeable/token/ERC721/utils/ERC721HolderUpgradeable.sol";
 
-import { IL2ERC721Gateway } from "../../L2/gateways/IL2ERC721Gateway.sol";
-import { IL1ScrollMessenger } from "../IL1ScrollMessenger.sol";
-import { IL1ERC721Gateway } from "./IL1ERC721Gateway.sol";
+import {IL2ERC721Gateway} from "../../L2/gateways/IL2ERC721Gateway.sol";
+import {IL1ScrollMessenger} from "../IL1ScrollMessenger.sol";
+import {IL1ERC721Gateway} from "./IL1ERC721Gateway.sol";
 
-import { ScrollGatewayBase } from "../../libraries/gateway/ScrollGatewayBase.sol";
+import {ScrollGatewayBase} from "../../libraries/gateway/ScrollGatewayBase.sol";
 
 /// @title L1ERC721Gateway
 /// @notice The `L1ERC721Gateway` is used to deposit ERC721 compatible NFT in layer 1 and
@@ -21,194 +21,194 @@ import { ScrollGatewayBase } from "../../libraries/gateway/ScrollGatewayBase.sol
 /// This will be changed if we have more specific scenarios.
 // @todo Current implementation doesn't support calling from `L1GatewayRouter`.
 contract L1ERC721Gateway is OwnableUpgradeable, ERC721HolderUpgradeable, ScrollGatewayBase, IL1ERC721Gateway {
-  /**********
-   * Events *
-   **********/
+    /**********
+     * Events *
+     **********/
 
-  /// @notice Emitted when token mapping for ERC721 token is updated.
-  /// @param _l1Token The address of ERC721 token in layer 1.
-  /// @param _l1Token The address of corresponding ERC721 token in layer 2.
-  event UpdateTokenMapping(address _l1Token, address _l2Token);
+    /// @notice Emitted when token mapping for ERC721 token is updated.
+    /// @param _l1Token The address of ERC721 token in layer 1.
+    /// @param _l1Token The address of corresponding ERC721 token in layer 2.
+    event UpdateTokenMapping(address _l1Token, address _l2Token);
 
-  /*************
-   * Variables *
-   *************/
+    /*************
+     * Variables *
+     *************/
 
-  /// @notice Mapping from l1 token address to l2 token address for ERC721 NFT.
-  mapping(address => address) public tokenMapping;
+    /// @notice Mapping from l1 token address to l2 token address for ERC721 NFT.
+    mapping(address => address) public tokenMapping;
 
-  /***************
-   * Constructor *
-   ***************/
+    /***************
+     * Constructor *
+     ***************/
 
-  /// @notice Initialize the storage of L1ERC721Gateway.
-  /// @param _counterpart The address of L2ERC721Gateway in L2.
-  /// @param _messenger The address of L1ScrollMessenger.
-  function initialize(address _counterpart, address _messenger) external initializer {
-    OwnableUpgradeable.__Ownable_init();
-    ScrollGatewayBase._initialize(_counterpart, address(0), _messenger);
-  }
-
-  /****************************
-   * Public Mutated Functions *
-   ****************************/
-
-  /// @inheritdoc IL1ERC721Gateway
-  function depositERC721(
-    address _token,
-    uint256 _tokenId,
-    uint256 _gasLimit
-  ) external payable override {
-    _depositERC721(_token, msg.sender, _tokenId, _gasLimit);
-  }
-
-  /// @inheritdoc IL1ERC721Gateway
-  function depositERC721(
-    address _token,
-    address _to,
-    uint256 _tokenId,
-    uint256 _gasLimit
-  ) external payable override {
-    _depositERC721(_token, _to, _tokenId, _gasLimit);
-  }
-
-  /// @inheritdoc IL1ERC721Gateway
-  function batchDepositERC721(
-    address _token,
-    uint256[] calldata _tokenIds,
-    uint256 _gasLimit
-  ) external payable override {
-    _batchDepositERC721(_token, msg.sender, _tokenIds, _gasLimit);
-  }
-
-  /// @inheritdoc IL1ERC721Gateway
-  function batchDepositERC721(
-    address _token,
-    address _to,
-    uint256[] calldata _tokenIds,
-    uint256 _gasLimit
-  ) external payable override {
-    _batchDepositERC721(_token, _to, _tokenIds, _gasLimit);
-  }
-
-  /// @inheritdoc IL1ERC721Gateway
-  function finalizeWithdrawERC721(
-    address _l1Token,
-    address _l2Token,
-    address _from,
-    address _to,
-    uint256 _tokenId
-  ) external override nonReentrant onlyCallByCounterpart {
-    require(_l2Token == tokenMapping[_l1Token], "l2 token mismatch");
-
-    IERC721Upgradeable(_l1Token).safeTransferFrom(address(this), _to, _tokenId);
-
-    emit FinalizeWithdrawERC721(_l1Token, _l2Token, _from, _to, _tokenId);
-  }
-
-  /// @inheritdoc IL1ERC721Gateway
-  function finalizeBatchWithdrawERC721(
-    address _l1Token,
-    address _l2Token,
-    address _from,
-    address _to,
-    uint256[] calldata _tokenIds
-  ) external override nonReentrant onlyCallByCounterpart {
-    require(_l2Token == tokenMapping[_l1Token], "l2 token mismatch");
-
-    for (uint256 i = 0; i < _tokenIds.length; i++) {
-      IERC721Upgradeable(_l1Token).safeTransferFrom(address(this), _to, _tokenIds[i]);
+    /// @notice Initialize the storage of L1ERC721Gateway.
+    /// @param _counterpart The address of L2ERC721Gateway in L2.
+    /// @param _messenger The address of L1ScrollMessenger.
+    function initialize(address _counterpart, address _messenger) external initializer {
+        OwnableUpgradeable.__Ownable_init();
+        ScrollGatewayBase._initialize(_counterpart, address(0), _messenger);
     }
 
-    emit FinalizeBatchWithdrawERC721(_l1Token, _l2Token, _from, _to, _tokenIds);
-  }
+    /*****************************
+     * Public Mutating Functions *
+     *****************************/
 
-  /************************
-   * Restricted Functions *
-   ************************/
-
-  /// @notice Update layer 2 to layer 2 token mapping.
-  /// @param _l1Token The address of ERC721 token in layer 1.
-  /// @param _l1Token The address of corresponding ERC721 token in layer 2.
-  function updateTokenMapping(address _l1Token, address _l2Token) external onlyOwner {
-    require(_l2Token != address(0), "map to zero address");
-
-    tokenMapping[_l1Token] = _l2Token;
-
-    emit UpdateTokenMapping(_l1Token, _l2Token);
-  }
-
-  /**********************
-   * Internal Functions *
-   **********************/
-
-  /// @dev Internal function to deposit ERC721 NFT to layer 2.
-  /// @param _token The address of ERC721 NFT in layer 1.
-  /// @param _to The address of recipient in layer 2.
-  /// @param _tokenId The token id to deposit.
-  /// @param _gasLimit Estimated gas limit required to complete the deposit on layer 2.
-  function _depositERC721(
-    address _token,
-    address _to,
-    uint256 _tokenId,
-    uint256 _gasLimit
-  ) internal nonReentrant {
-    address _l2Token = tokenMapping[_token];
-    require(_l2Token != address(0), "token not supported");
-
-    // 1. transfer token to this contract
-    IERC721Upgradeable(_token).safeTransferFrom(msg.sender, address(this), _tokenId);
-
-    // 2. Generate message passed to L2ERC721Gateway.
-    bytes memory _message = abi.encodeWithSelector(
-      IL2ERC721Gateway.finalizeDepositERC721.selector,
-      _token,
-      _l2Token,
-      msg.sender,
-      _to,
-      _tokenId
-    );
-
-    // 3. Send message to L1ScrollMessenger.
-    IL1ScrollMessenger(messenger).sendMessage{ value: msg.value }(counterpart, 0, _message, _gasLimit);
-
-    emit DepositERC721(_token, _l2Token, msg.sender, _to, _tokenId);
-  }
-
-  /// @dev Internal function to batch deposit ERC721 NFT to layer 2.
-  /// @param _token The address of ERC721 NFT in layer 1.
-  /// @param _to The address of recipient in layer 2.
-  /// @param _tokenIds The list of token ids to deposit.
-  /// @param _gasLimit Estimated gas limit required to complete the deposit on layer 2.
-  function _batchDepositERC721(
-    address _token,
-    address _to,
-    uint256[] calldata _tokenIds,
-    uint256 _gasLimit
-  ) internal nonReentrant {
-    require(_tokenIds.length > 0, "no token to deposit");
-
-    address _l2Token = tokenMapping[_token];
-    require(_l2Token != address(0), "token not supported");
-
-    // 1. transfer token to this contract
-    for (uint256 i = 0; i < _tokenIds.length; i++) {
-      IERC721Upgradeable(_token).safeTransferFrom(msg.sender, address(this), _tokenIds[i]);
+    /// @inheritdoc IL1ERC721Gateway
+    function depositERC721(
+        address _token,
+        uint256 _tokenId,
+        uint256 _gasLimit
+    ) external payable override {
+        _depositERC721(_token, msg.sender, _tokenId, _gasLimit);
     }
 
-    // 2. Generate message passed to L2ERC721Gateway.
-    bytes memory _message = abi.encodeWithSelector(
-      IL2ERC721Gateway.finalizeBatchDepositERC721.selector,
-      _token,
-      _l2Token,
-      msg.sender,
-      _to,
-      _tokenIds
-    );
+    /// @inheritdoc IL1ERC721Gateway
+    function depositERC721(
+        address _token,
+        address _to,
+        uint256 _tokenId,
+        uint256 _gasLimit
+    ) external payable override {
+        _depositERC721(_token, _to, _tokenId, _gasLimit);
+    }
 
-    // 3. Send message to L1ScrollMessenger.
-    IL1ScrollMessenger(messenger).sendMessage{ value: msg.value }(counterpart, 0, _message, _gasLimit);
+    /// @inheritdoc IL1ERC721Gateway
+    function batchDepositERC721(
+        address _token,
+        uint256[] calldata _tokenIds,
+        uint256 _gasLimit
+    ) external payable override {
+        _batchDepositERC721(_token, msg.sender, _tokenIds, _gasLimit);
+    }
 
-    emit BatchDepositERC721(_token, _l2Token, msg.sender, _to, _tokenIds);
-  }
+    /// @inheritdoc IL1ERC721Gateway
+    function batchDepositERC721(
+        address _token,
+        address _to,
+        uint256[] calldata _tokenIds,
+        uint256 _gasLimit
+    ) external payable override {
+        _batchDepositERC721(_token, _to, _tokenIds, _gasLimit);
+    }
+
+    /// @inheritdoc IL1ERC721Gateway
+    function finalizeWithdrawERC721(
+        address _l1Token,
+        address _l2Token,
+        address _from,
+        address _to,
+        uint256 _tokenId
+    ) external override nonReentrant onlyCallByCounterpart {
+        require(_l2Token == tokenMapping[_l1Token], "l2 token mismatch");
+
+        IERC721Upgradeable(_l1Token).safeTransferFrom(address(this), _to, _tokenId);
+
+        emit FinalizeWithdrawERC721(_l1Token, _l2Token, _from, _to, _tokenId);
+    }
+
+    /// @inheritdoc IL1ERC721Gateway
+    function finalizeBatchWithdrawERC721(
+        address _l1Token,
+        address _l2Token,
+        address _from,
+        address _to,
+        uint256[] calldata _tokenIds
+    ) external override nonReentrant onlyCallByCounterpart {
+        require(_l2Token == tokenMapping[_l1Token], "l2 token mismatch");
+
+        for (uint256 i = 0; i < _tokenIds.length; i++) {
+            IERC721Upgradeable(_l1Token).safeTransferFrom(address(this), _to, _tokenIds[i]);
+        }
+
+        emit FinalizeBatchWithdrawERC721(_l1Token, _l2Token, _from, _to, _tokenIds);
+    }
+
+    /************************
+     * Restricted Functions *
+     ************************/
+
+    /// @notice Update layer 2 to layer 2 token mapping.
+    /// @param _l1Token The address of ERC721 token in layer 1.
+    /// @param _l1Token The address of corresponding ERC721 token in layer 2.
+    function updateTokenMapping(address _l1Token, address _l2Token) external onlyOwner {
+        require(_l2Token != address(0), "map to zero address");
+
+        tokenMapping[_l1Token] = _l2Token;
+
+        emit UpdateTokenMapping(_l1Token, _l2Token);
+    }
+
+    /**********************
+     * Internal Functions *
+     **********************/
+
+    /// @dev Internal function to deposit ERC721 NFT to layer 2.
+    /// @param _token The address of ERC721 NFT in layer 1.
+    /// @param _to The address of recipient in layer 2.
+    /// @param _tokenId The token id to deposit.
+    /// @param _gasLimit Estimated gas limit required to complete the deposit on layer 2.
+    function _depositERC721(
+        address _token,
+        address _to,
+        uint256 _tokenId,
+        uint256 _gasLimit
+    ) internal nonReentrant {
+        address _l2Token = tokenMapping[_token];
+        require(_l2Token != address(0), "token not supported");
+
+        // 1. transfer token to this contract
+        IERC721Upgradeable(_token).safeTransferFrom(msg.sender, address(this), _tokenId);
+
+        // 2. Generate message passed to L2ERC721Gateway.
+        bytes memory _message = abi.encodeWithSelector(
+            IL2ERC721Gateway.finalizeDepositERC721.selector,
+            _token,
+            _l2Token,
+            msg.sender,
+            _to,
+            _tokenId
+        );
+
+        // 3. Send message to L1ScrollMessenger.
+        IL1ScrollMessenger(messenger).sendMessage{value: msg.value}(counterpart, 0, _message, _gasLimit);
+
+        emit DepositERC721(_token, _l2Token, msg.sender, _to, _tokenId);
+    }
+
+    /// @dev Internal function to batch deposit ERC721 NFT to layer 2.
+    /// @param _token The address of ERC721 NFT in layer 1.
+    /// @param _to The address of recipient in layer 2.
+    /// @param _tokenIds The list of token ids to deposit.
+    /// @param _gasLimit Estimated gas limit required to complete the deposit on layer 2.
+    function _batchDepositERC721(
+        address _token,
+        address _to,
+        uint256[] calldata _tokenIds,
+        uint256 _gasLimit
+    ) internal nonReentrant {
+        require(_tokenIds.length > 0, "no token to deposit");
+
+        address _l2Token = tokenMapping[_token];
+        require(_l2Token != address(0), "token not supported");
+
+        // 1. transfer token to this contract
+        for (uint256 i = 0; i < _tokenIds.length; i++) {
+            IERC721Upgradeable(_token).safeTransferFrom(msg.sender, address(this), _tokenIds[i]);
+        }
+
+        // 2. Generate message passed to L2ERC721Gateway.
+        bytes memory _message = abi.encodeWithSelector(
+            IL2ERC721Gateway.finalizeBatchDepositERC721.selector,
+            _token,
+            _l2Token,
+            msg.sender,
+            _to,
+            _tokenIds
+        );
+
+        // 3. Send message to L1ScrollMessenger.
+        IL1ScrollMessenger(messenger).sendMessage{value: msg.value}(counterpart, 0, _message, _gasLimit);
+
+        emit BatchDepositERC721(_token, _l2Token, msg.sender, _to, _tokenIds);
+    }
 }

contracts/src/L1/gateways/L1ETHGateway.sol

@@ -2,13 +2,13 @@
 
 pragma solidity ^0.8.0;
 
-import { Initializable } from "@openzeppelin/contracts/proxy/utils/Initializable.sol";
+import {Initializable} from "@openzeppelin/contracts/proxy/utils/Initializable.sol";
 
-import { IL2ETHGateway } from "../../L2/gateways/IL2ETHGateway.sol";
-import { IL1ScrollMessenger } from "../IL1ScrollMessenger.sol";
-import { IL1ETHGateway } from "./IL1ETHGateway.sol";
+import {IL2ETHGateway} from "../../L2/gateways/IL2ETHGateway.sol";
+import {IL1ScrollMessenger} from "../IL1ScrollMessenger.sol";
+import {IL1ETHGateway} from "./IL1ETHGateway.sol";
 
-import { ScrollGatewayBase } from "../../libraries/gateway/ScrollGatewayBase.sol";
+import {ScrollGatewayBase} from "../../libraries/gateway/ScrollGatewayBase.sol";
 
 /// @title L1ETHGateway
 /// @notice The `L1ETHGateway` is used to deposit ETH in layer 1 and
@@ -16,103 +16,103 @@ import { ScrollGatewayBase } from "../../libraries/gateway/ScrollGatewayBase.sol
 /// @dev The deposited ETH tokens are held in this gateway. On finalizing withdraw, the corresponding
 /// ETH will be transfer to the recipient directly.
 contract L1ETHGateway is Initializable, ScrollGatewayBase, IL1ETHGateway {
-  /***************
-   * Constructor *
-   ***************/
+    /***************
+     * Constructor *
+     ***************/
 
-  /// @notice Initialize the storage of L1ETHGateway.
-  /// @param _counterpart The address of L2ETHGateway in L2.
-  /// @param _router The address of L1GatewayRouter.
-  /// @param _messenger The address of L1ScrollMessenger.
-  function initialize(
-    address _counterpart,
-    address _router,
-    address _messenger
-  ) external initializer {
-    require(_router != address(0), "zero router address");
-    ScrollGatewayBase._initialize(_counterpart, _router, _messenger);
-  }
-
-  /****************************
-   * Public Mutated Functions *
-   ****************************/
-
-  /// @inheritdoc IL1ETHGateway
-  function depositETH(uint256 _amount, uint256 _gasLimit) external payable override {
-    _deposit(msg.sender, _amount, new bytes(0), _gasLimit);
-  }
-
-  /// @inheritdoc IL1ETHGateway
-  function depositETH(
-    address _to,
-    uint256 _amount,
-    uint256 _gasLimit
-  ) public payable override {
-    _deposit(_to, _amount, new bytes(0), _gasLimit);
-  }
-
-  /// @inheritdoc IL1ETHGateway
-  function depositETHAndCall(
-    address _to,
-    uint256 _amount,
-    bytes calldata _data,
-    uint256 _gasLimit
-  ) external payable override {
-    _deposit(_to, _amount, _data, _gasLimit);
-  }
-
-  /// @inheritdoc IL1ETHGateway
-  function finalizeWithdrawETH(
-    address _from,
-    address _to,
-    uint256 _amount,
-    bytes calldata _data
-  ) external payable override onlyCallByCounterpart {
-    // @note can possible trigger reentrant call to this contract or messenger,
-    // but it seems not a big problem.
-    // solhint-disable-next-line avoid-low-level-calls
-    (bool _success, ) = _to.call{ value: _amount }("");
-    require(_success, "ETH transfer failed");
-
-    // @todo farward _data to `_to` in near future.
-
-    emit FinalizeWithdrawETH(_from, _to, _amount, _data);
-  }
-
-  /**********************
-   * Internal Functions *
-   **********************/
-
-  /// @dev The internal ETH deposit implementation.
-  /// @param _to The address of recipient's account on L2.
-  /// @param _amount The amount of ETH to be deposited.
-  /// @param _data Optional data to forward to recipient's account.
-  /// @param _gasLimit Gas limit required to complete the deposit on L2.
-  function _deposit(
-    address _to,
-    uint256 _amount,
-    bytes memory _data,
-    uint256 _gasLimit
-  ) internal nonReentrant {
-    require(_amount > 0, "deposit zero eth");
-
-    // 1. Extract real sender if this call is from L1GatewayRouter.
-    address _from = msg.sender;
-    if (router == msg.sender) {
-      (_from, _data) = abi.decode(_data, (address, bytes));
+    /// @notice Initialize the storage of L1ETHGateway.
+    /// @param _counterpart The address of L2ETHGateway in L2.
+    /// @param _router The address of L1GatewayRouter.
+    /// @param _messenger The address of L1ScrollMessenger.
+    function initialize(
+        address _counterpart,
+        address _router,
+        address _messenger
+    ) external initializer {
+        require(_router != address(0), "zero router address");
+        ScrollGatewayBase._initialize(_counterpart, _router, _messenger);
     }
 
-    // 2. Generate message passed to L1ScrollMessenger.
-    bytes memory _message = abi.encodeWithSelector(
-      IL2ETHGateway.finalizeDepositETH.selector,
-      _from,
-      _to,
-      _amount,
-      _data
-    );
+    /*****************************
+     * Public Mutating Functions *
+     *****************************/
 
-    IL1ScrollMessenger(messenger).sendMessage{ value: msg.value }(counterpart, _amount, _message, _gasLimit);
+    /// @inheritdoc IL1ETHGateway
+    function depositETH(uint256 _amount, uint256 _gasLimit) external payable override {
+        _deposit(msg.sender, _amount, new bytes(0), _gasLimit);
+    }
 
-    emit DepositETH(_from, _to, _amount, _data);
-  }
+    /// @inheritdoc IL1ETHGateway
+    function depositETH(
+        address _to,
+        uint256 _amount,
+        uint256 _gasLimit
+    ) public payable override {
+        _deposit(_to, _amount, new bytes(0), _gasLimit);
+    }
+
+    /// @inheritdoc IL1ETHGateway
+    function depositETHAndCall(
+        address _to,
+        uint256 _amount,
+        bytes calldata _data,
+        uint256 _gasLimit
+    ) external payable override {
+        _deposit(_to, _amount, _data, _gasLimit);
+    }
+
+    /// @inheritdoc IL1ETHGateway
+    function finalizeWithdrawETH(
+        address _from,
+        address _to,
+        uint256 _amount,
+        bytes calldata _data
+    ) external payable override onlyCallByCounterpart {
+        // @note can possible trigger reentrant call to this contract or messenger,
+        // but it seems not a big problem.
+        // solhint-disable-next-line avoid-low-level-calls
+        (bool _success, ) = _to.call{value: _amount}("");
+        require(_success, "ETH transfer failed");
+
+        // @todo farward _data to `_to` in near future.
+
+        emit FinalizeWithdrawETH(_from, _to, _amount, _data);
+    }
+
+    /**********************
+     * Internal Functions *
+     **********************/
+
+    /// @dev The internal ETH deposit implementation.
+    /// @param _to The address of recipient's account on L2.
+    /// @param _amount The amount of ETH to be deposited.
+    /// @param _data Optional data to forward to recipient's account.
+    /// @param _gasLimit Gas limit required to complete the deposit on L2.
+    function _deposit(
+        address _to,
+        uint256 _amount,
+        bytes memory _data,
+        uint256 _gasLimit
+    ) internal nonReentrant {
+        require(_amount > 0, "deposit zero eth");
+
+        // 1. Extract real sender if this call is from L1GatewayRouter.
+        address _from = msg.sender;
+        if (router == msg.sender) {
+            (_from, _data) = abi.decode(_data, (address, bytes));
+        }
+
+        // 2. Generate message passed to L1ScrollMessenger.
+        bytes memory _message = abi.encodeWithSelector(
+            IL2ETHGateway.finalizeDepositETH.selector,
+            _from,
+            _to,
+            _amount,
+            _data
+        );
+
+        IL1ScrollMessenger(messenger).sendMessage{value: msg.value}(counterpart, _amount, _message, _gasLimit);
+
+        emit DepositETH(_from, _to, _amount, _data);
+    }
 }

contracts/src/L1/gateways/L1GatewayRouter.sol

@@ -2,14 +2,14 @@
 
 pragma solidity ^0.8.0;
 
-import { OwnableUpgradeable } from "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol";
+import {OwnableUpgradeable} from "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol";
 
-import { IL2GatewayRouter } from "../../L2/gateways/IL2GatewayRouter.sol";
-import { IScrollGateway } from "../../libraries/gateway/IScrollGateway.sol";
-import { IL1ScrollMessenger } from "../IL1ScrollMessenger.sol";
-import { IL1ETHGateway } from "./IL1ETHGateway.sol";
-import { IL1ERC20Gateway } from "./IL1ERC20Gateway.sol";
-import { IL1GatewayRouter } from "./IL1GatewayRouter.sol";
+import {IL2GatewayRouter} from "../../L2/gateways/IL2GatewayRouter.sol";
+import {IScrollGateway} from "../../libraries/gateway/IScrollGateway.sol";
+import {IL1ScrollMessenger} from "../IL1ScrollMessenger.sol";
+import {IL1ETHGateway} from "./IL1ETHGateway.sol";
+import {IL1ERC20Gateway} from "./IL1ERC20Gateway.sol";
+import {IL1GatewayRouter} from "./IL1GatewayRouter.sol";
 
 /// @title L1GatewayRouter
 /// @notice The `L1GatewayRouter` is the main entry for depositing Ether and ERC20 tokens.
@@ -17,198 +17,198 @@ import { IL1GatewayRouter } from "./IL1GatewayRouter.sol";
 /// @dev One can also use this contract to query L1/L2 token address mapping.
 /// In the future, ERC-721 and ERC-1155 tokens will be added to the router too.
 contract L1GatewayRouter is OwnableUpgradeable, IL1GatewayRouter {
-  /*************
-   * Variables *
-   *************/
+    /*************
+     * Variables *
+     *************/
 
-  /// @notice The address of L1ETHGateway.
-  address public ethGateway;
+    /// @notice The address of L1ETHGateway.
+    address public ethGateway;
 
-  /// @notice The addess of default ERC20 gateway, normally the L1StandardERC20Gateway contract.
-  address public defaultERC20Gateway;
+    /// @notice The addess of default ERC20 gateway, normally the L1StandardERC20Gateway contract.
+    address public defaultERC20Gateway;
 
-  /// @notice Mapping from ERC20 token address to corresponding L1ERC20Gateway.
-  // solhint-disable-next-line var-name-mixedcase
-  mapping(address => address) public ERC20Gateway;
+    /// @notice Mapping from ERC20 token address to corresponding L1ERC20Gateway.
+    // solhint-disable-next-line var-name-mixedcase
+    mapping(address => address) public ERC20Gateway;
 
-  // @todo: add ERC721/ERC1155 Gateway mapping.
+    // @todo: add ERC721/ERC1155 Gateway mapping.
 
-  /***************
-   * Constructor *
-   ***************/
+    /***************
+     * Constructor *
+     ***************/
 
-  /// @notice Initialize the storage of L1GatewayRouter.
-  /// @param _ethGateway The address of L1ETHGateway contract.
-  /// @param _defaultERC20Gateway The address of default ERC20 Gateway contract.
-  function initialize(address _ethGateway, address _defaultERC20Gateway) external initializer {
-    OwnableUpgradeable.__Ownable_init();
+    /// @notice Initialize the storage of L1GatewayRouter.
+    /// @param _ethGateway The address of L1ETHGateway contract.
+    /// @param _defaultERC20Gateway The address of default ERC20 Gateway contract.
+    function initialize(address _ethGateway, address _defaultERC20Gateway) external initializer {
+        OwnableUpgradeable.__Ownable_init();
 
-    // it can be zero during initialization
-    if (_defaultERC20Gateway != address(0)) {
-      defaultERC20Gateway = _defaultERC20Gateway;
-      emit SetDefaultERC20Gateway(_defaultERC20Gateway);
+        // it can be zero during initialization
+        if (_defaultERC20Gateway != address(0)) {
+            defaultERC20Gateway = _defaultERC20Gateway;
+            emit SetDefaultERC20Gateway(_defaultERC20Gateway);
+        }
+
+        // it can be zero during initialization
+        if (_ethGateway != address(0)) {
+            ethGateway = _ethGateway;
+            emit SetETHGateway(_ethGateway);
+        }
     }
 
-    // it can be zero during initialization
-    if (_ethGateway != address(0)) {
-      ethGateway = _ethGateway;
-      emit SetETHGateway(_ethGateway);
-    }
-  }
+    /*************************
+     * Public View Functions *
+     *************************/
 
-  /*************************
-   * Public View Functions *
-   *************************/
+    /// @inheritdoc IL1ERC20Gateway
+    function getL2ERC20Address(address _l1Address) external view override returns (address) {
+        address _gateway = getERC20Gateway(_l1Address);
+        if (_gateway == address(0)) {
+            return address(0);
+        }
 
-  /// @inheritdoc IL1ERC20Gateway
-  function getL2ERC20Address(address _l1Address) external view override returns (address) {
-    address _gateway = getERC20Gateway(_l1Address);
-    if (_gateway == address(0)) {
-      return address(0);
+        return IL1ERC20Gateway(_gateway).getL2ERC20Address(_l1Address);
     }
 
-    return IL1ERC20Gateway(_gateway).getL2ERC20Address(_l1Address);
-  }
-
-  /// @notice Return the corresponding gateway address for given token address.
-  /// @param _token The address of token to query.
-  function getERC20Gateway(address _token) public view returns (address) {
-    address _gateway = ERC20Gateway[_token];
-    if (_gateway == address(0)) {
-      _gateway = defaultERC20Gateway;
+    /// @notice Return the corresponding gateway address for given token address.
+    /// @param _token The address of token to query.
+    function getERC20Gateway(address _token) public view returns (address) {
+        address _gateway = ERC20Gateway[_token];
+        if (_gateway == address(0)) {
+            _gateway = defaultERC20Gateway;
+        }
+        return _gateway;
     }
-    return _gateway;
-  }
 
-  /************************************************
-   * Public Mutated Functions from L1ERC20Gateway *
-   ************************************************/
+    /*************************************************
+     * Public Mutating Functions from L1ERC20Gateway *
+     *************************************************/
 
-  /// @inheritdoc IL1ERC20Gateway
-  function depositERC20(
-    address _token,
-    uint256 _amount,
-    uint256 _gasLimit
-  ) external payable override {
-    depositERC20AndCall(_token, msg.sender, _amount, new bytes(0), _gasLimit);
-  }
-
-  /// @inheritdoc IL1ERC20Gateway
-  function depositERC20(
-    address _token,
-    address _to,
-    uint256 _amount,
-    uint256 _gasLimit
-  ) external payable override {
-    depositERC20AndCall(_token, _to, _amount, new bytes(0), _gasLimit);
-  }
-
-  /// @inheritdoc IL1ERC20Gateway
-  function depositERC20AndCall(
-    address _token,
-    address _to,
-    uint256 _amount,
-    bytes memory _data,
-    uint256 _gasLimit
-  ) public payable override {
-    address _gateway = getERC20Gateway(_token);
-    require(_gateway != address(0), "no gateway available");
-
-    // encode msg.sender with _data
-    bytes memory _routerData = abi.encode(msg.sender, _data);
-
-    IL1ERC20Gateway(_gateway).depositERC20AndCall{ value: msg.value }(_token, _to, _amount, _routerData, _gasLimit);
-  }
-
-  /// @inheritdoc IL1ERC20Gateway
-  function finalizeWithdrawERC20(
-    address,
-    address,
-    address,
-    address,
-    uint256,
-    bytes calldata
-  ) external payable virtual override {
-    revert("should never be called");
-  }
-
-  /**********************************************
-   * Public Mutated Functions from L1ETHGateway *
-   **********************************************/
-
-  /// @inheritdoc IL1ETHGateway
-  function depositETH(uint256 _amount, uint256 _gasLimit) external payable override {
-    depositETHAndCall(msg.sender, _amount, new bytes(0), _gasLimit);
-  }
-
-  /// @inheritdoc IL1ETHGateway
-  function depositETH(
-    address _to,
-    uint256 _amount,
-    uint256 _gasLimit
-  ) external payable override {
-    depositETHAndCall(_to, _amount, new bytes(0), _gasLimit);
-  }
-
-  /// @inheritdoc IL1ETHGateway
-  function depositETHAndCall(
-    address _to,
-    uint256 _amount,
-    bytes memory _data,
-    uint256 _gasLimit
-  ) public payable override {
-    address _gateway = ethGateway;
-    require(_gateway != address(0), "eth gateway available");
-
-    // encode msg.sender with _data
-    bytes memory _routerData = abi.encode(msg.sender, _data);
-
-    IL1ETHGateway(_gateway).depositETHAndCall{ value: msg.value }(_to, _amount, _routerData, _gasLimit);
-  }
-
-  /// @inheritdoc IL1ETHGateway
-  function finalizeWithdrawETH(
-    address,
-    address,
-    uint256,
-    bytes calldata
-  ) external payable virtual override {
-    revert("should never be called");
-  }
-
-  /************************
-   * Restricted Functions *
-   ************************/
-
-  /// @notice Update the address of ETH gateway contract.
-  /// @dev This function should only be called by contract owner.
-  /// @param _ethGateway The address to update.
-  function setETHGateway(address _ethGateway) external onlyOwner {
-    ethGateway = _ethGateway;
-
-    emit SetETHGateway(_ethGateway);
-  }
-
-  /// @notice Update the address of default ERC20 gateway contract.
-  /// @dev This function should only be called by contract owner.
-  /// @param _defaultERC20Gateway The address to update.
-  function setDefaultERC20Gateway(address _defaultERC20Gateway) external onlyOwner {
-    defaultERC20Gateway = _defaultERC20Gateway;
-
-    emit SetDefaultERC20Gateway(_defaultERC20Gateway);
-  }
-
-  /// @notice Update the mapping from token address to gateway address.
-  /// @dev This function should only be called by contract owner.
-  /// @param _tokens The list of addresses of tokens to update.
-  /// @param _gateways The list of addresses of gateways to update.
-  function setERC20Gateway(address[] memory _tokens, address[] memory _gateways) external onlyOwner {
-    require(_tokens.length == _gateways.length, "length mismatch");
-
-    for (uint256 i = 0; i < _tokens.length; i++) {
-      ERC20Gateway[_tokens[i]] = _gateways[i];
-
-      emit SetERC20Gateway(_tokens[i], _gateways[i]);
+    /// @inheritdoc IL1ERC20Gateway
+    function depositERC20(
+        address _token,
+        uint256 _amount,
+        uint256 _gasLimit
+    ) external payable override {
+        depositERC20AndCall(_token, msg.sender, _amount, new bytes(0), _gasLimit);
+    }
+
+    /// @inheritdoc IL1ERC20Gateway
+    function depositERC20(
+        address _token,
+        address _to,
+        uint256 _amount,
+        uint256 _gasLimit
+    ) external payable override {
+        depositERC20AndCall(_token, _to, _amount, new bytes(0), _gasLimit);
+    }
+
+    /// @inheritdoc IL1ERC20Gateway
+    function depositERC20AndCall(
+        address _token,
+        address _to,
+        uint256 _amount,
+        bytes memory _data,
+        uint256 _gasLimit
+    ) public payable override {
+        address _gateway = getERC20Gateway(_token);
+        require(_gateway != address(0), "no gateway available");
+
+        // encode msg.sender with _data
+        bytes memory _routerData = abi.encode(msg.sender, _data);
+
+        IL1ERC20Gateway(_gateway).depositERC20AndCall{value: msg.value}(_token, _to, _amount, _routerData, _gasLimit);
+    }
+
+    /// @inheritdoc IL1ERC20Gateway
+    function finalizeWithdrawERC20(
+        address,
+        address,
+        address,
+        address,
+        uint256,
+        bytes calldata
+    ) external payable virtual override {
+        revert("should never be called");
+    }
+
+    /***********************************************
+     * Public Mutating Functions from L1ETHGateway *
+     ***********************************************/
+
+    /// @inheritdoc IL1ETHGateway
+    function depositETH(uint256 _amount, uint256 _gasLimit) external payable override {
+        depositETHAndCall(msg.sender, _amount, new bytes(0), _gasLimit);
+    }
+
+    /// @inheritdoc IL1ETHGateway
+    function depositETH(
+        address _to,
+        uint256 _amount,
+        uint256 _gasLimit
+    ) external payable override {
+        depositETHAndCall(_to, _amount, new bytes(0), _gasLimit);
+    }
+
+    /// @inheritdoc IL1ETHGateway
+    function depositETHAndCall(
+        address _to,
+        uint256 _amount,
+        bytes memory _data,
+        uint256 _gasLimit
+    ) public payable override {
+        address _gateway = ethGateway;
+        require(_gateway != address(0), "eth gateway available");
+
+        // encode msg.sender with _data
+        bytes memory _routerData = abi.encode(msg.sender, _data);
+
+        IL1ETHGateway(_gateway).depositETHAndCall{value: msg.value}(_to, _amount, _routerData, _gasLimit);
+    }
+
+    /// @inheritdoc IL1ETHGateway
+    function finalizeWithdrawETH(
+        address,
+        address,
+        uint256,
+        bytes calldata
+    ) external payable virtual override {
+        revert("should never be called");
+    }
+
+    /************************
+     * Restricted Functions *
+     ************************/
+
+    /// @notice Update the address of ETH gateway contract.
+    /// @dev This function should only be called by contract owner.
+    /// @param _ethGateway The address to update.
+    function setETHGateway(address _ethGateway) external onlyOwner {
+        ethGateway = _ethGateway;
+
+        emit SetETHGateway(_ethGateway);
+    }
+
+    /// @notice Update the address of default ERC20 gateway contract.
+    /// @dev This function should only be called by contract owner.
+    /// @param _defaultERC20Gateway The address to update.
+    function setDefaultERC20Gateway(address _defaultERC20Gateway) external onlyOwner {
+        defaultERC20Gateway = _defaultERC20Gateway;
+
+        emit SetDefaultERC20Gateway(_defaultERC20Gateway);
+    }
+
+    /// @notice Update the mapping from token address to gateway address.
+    /// @dev This function should only be called by contract owner.
+    /// @param _tokens The list of addresses of tokens to update.
+    /// @param _gateways The list of addresses of gateways to update.
+    function setERC20Gateway(address[] memory _tokens, address[] memory _gateways) external onlyOwner {
+        require(_tokens.length == _gateways.length, "length mismatch");
+
+        for (uint256 i = 0; i < _tokens.length; i++) {
+            ERC20Gateway[_tokens[i]] = _gateways[i];
+
+            emit SetERC20Gateway(_tokens[i], _gateways[i]);
+        }
     }
-  }
 }

contracts/src/L1/gateways/L1StandardERC20Gateway.sol

@@ -2,18 +2,18 @@
 
 pragma solidity ^0.8.0;
 
-import { Initializable } from "@openzeppelin/contracts/proxy/utils/Initializable.sol";
-import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
-import { SafeERC20 } from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
-import { Clones } from "@openzeppelin/contracts/proxy/Clones.sol";
+import {Initializable} from "@openzeppelin/contracts/proxy/utils/Initializable.sol";
+import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
+import {SafeERC20} from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
+import {Clones} from "@openzeppelin/contracts/proxy/Clones.sol";
 
-import { IERC20Metadata } from "../../interfaces/IERC20Metadata.sol";
-import { IL2ERC20Gateway } from "../../L2/gateways/IL2ERC20Gateway.sol";
-import { IL1ScrollMessenger } from "../IL1ScrollMessenger.sol";
-import { IL1ERC20Gateway } from "./IL1ERC20Gateway.sol";
+import {IERC20Metadata} from "../../interfaces/IERC20Metadata.sol";
+import {IL2ERC20Gateway} from "../../L2/gateways/IL2ERC20Gateway.sol";
+import {IL1ScrollMessenger} from "../IL1ScrollMessenger.sol";
+import {IL1ERC20Gateway} from "./IL1ERC20Gateway.sol";
 
-import { ScrollGatewayBase } from "../../libraries/gateway/ScrollGatewayBase.sol";
-import { L1ERC20Gateway } from "./L1ERC20Gateway.sol";
+import {ScrollGatewayBase} from "../../libraries/gateway/ScrollGatewayBase.sol";
+import {L1ERC20Gateway} from "./L1ERC20Gateway.sol";
 
 /// @title L1StandardERC20Gateway
 /// @notice The `L1StandardERC20Gateway` is used to deposit standard ERC20 tokens in layer 1 and
@@ -22,147 +22,147 @@ import { L1ERC20Gateway } from "./L1ERC20Gateway.sol";
 /// token will be transfer to the recipient directly. Any ERC20 that requires non-standard functionality
 /// should use a separate gateway.
 contract L1StandardERC20Gateway is Initializable, ScrollGatewayBase, L1ERC20Gateway {
-  using SafeERC20 for IERC20;
+    using SafeERC20 for IERC20;
 
-  /*************
-   * Variables *
-   *************/
+    /*************
+     * Variables *
+     *************/
 
-  /// @notice The address of ScrollStandardERC20 implementation in L2.
-  address public l2TokenImplementation;
+    /// @notice The address of ScrollStandardERC20 implementation in L2.
+    address public l2TokenImplementation;
 
-  /// @notice The address of ScrollStandardERC20Factory contract in L2.
-  address public l2TokenFactory;
+    /// @notice The address of ScrollStandardERC20Factory contract in L2.
+    address public l2TokenFactory;
 
-  /// @notice Mapping from l1 token address to l2 token address.
-  /// @dev This is not necessary, since we can compute the address directly. But, we use this mapping
-  /// to keep track on whether we have deployed the token in L2 using the L2ScrollStandardERC20Factory and
-  /// pass deploy data on first call to the token.
-  mapping(address => address) private tokenMapping;
+    /// @notice Mapping from l1 token address to l2 token address.
+    /// @dev This is not necessary, since we can compute the address directly. But, we use this mapping
+    /// to keep track on whether we have deployed the token in L2 using the L2ScrollStandardERC20Factory and
+    /// pass deploy data on first call to the token.
+    mapping(address => address) private tokenMapping;
 
-  /***************
-   * Constructor *
-   ***************/
+    /***************
+     * Constructor *
+     ***************/
 
-  /// @notice Initialize the storage of L1StandardERC20Gateway.
-  /// @param _counterpart The address of L2StandardERC20Gateway in L2.
-  /// @param _router The address of L1GatewayRouter.
-  /// @param _messenger The address of L1ScrollMessenger.
-  /// @param _l2TokenImplementation The address of ScrollStandardERC20 implementation in L2.
-  /// @param _l2TokenFactory The address of ScrollStandardERC20Factory contract in L2.
-  function initialize(
-    address _counterpart,
-    address _router,
-    address _messenger,
-    address _l2TokenImplementation,
-    address _l2TokenFactory
-  ) external initializer {
-    require(_router != address(0), "zero router address");
-    ScrollGatewayBase._initialize(_counterpart, _router, _messenger);
+    /// @notice Initialize the storage of L1StandardERC20Gateway.
+    /// @param _counterpart The address of L2StandardERC20Gateway in L2.
+    /// @param _router The address of L1GatewayRouter.
+    /// @param _messenger The address of L1ScrollMessenger.
+    /// @param _l2TokenImplementation The address of ScrollStandardERC20 implementation in L2.
+    /// @param _l2TokenFactory The address of ScrollStandardERC20Factory contract in L2.
+    function initialize(
+        address _counterpart,
+        address _router,
+        address _messenger,
+        address _l2TokenImplementation,
+        address _l2TokenFactory
+    ) external initializer {
+        require(_router != address(0), "zero router address");
+        ScrollGatewayBase._initialize(_counterpart, _router, _messenger);
 
-    require(_l2TokenImplementation != address(0), "zero implementation hash");
-    require(_l2TokenFactory != address(0), "zero factory address");
+        require(_l2TokenImplementation != address(0), "zero implementation hash");
+        require(_l2TokenFactory != address(0), "zero factory address");
 
-    l2TokenImplementation = _l2TokenImplementation;
-    l2TokenFactory = _l2TokenFactory;
-  }
-
-  /*************************
-   * Public View Functions *
-   *************************/
-
-  /// @inheritdoc IL1ERC20Gateway
-  function getL2ERC20Address(address _l1Token) public view override returns (address) {
-    // In StandardERC20Gateway, all corresponding l2 tokens are depoyed by Create2 with salt,
-    // we can calculate the l2 address directly.
-    bytes32 _salt = keccak256(abi.encodePacked(counterpart, keccak256(abi.encodePacked(_l1Token))));
-
-    return Clones.predictDeterministicAddress(l2TokenImplementation, _salt, l2TokenFactory);
-  }
-
-  /****************************
-   * Public Mutated Functions *
-   ****************************/
-
-  /// @inheritdoc IL1ERC20Gateway
-  function finalizeWithdrawERC20(
-    address _l1Token,
-    address _l2Token,
-    address _from,
-    address _to,
-    uint256 _amount,
-    bytes calldata _data
-  ) external payable override onlyCallByCounterpart {
-    require(msg.value == 0, "nonzero msg.value");
-
-    // @note can possible trigger reentrant call to this contract or messenger,
-    // but it seems not a big problem.
-    IERC20(_l1Token).safeTransfer(_to, _amount);
-
-    // @todo forward `_data` to `_to` in the near future
-
-    emit FinalizeWithdrawERC20(_l1Token, _l2Token, _from, _to, _amount, _data);
-  }
-
-  /**********************
-   * Internal Functions *
-   **********************/
-
-  /// @inheritdoc L1ERC20Gateway
-  function _deposit(
-    address _token,
-    address _to,
-    uint256 _amount,
-    bytes memory _data,
-    uint256 _gasLimit
-  ) internal virtual override nonReentrant {
-    require(_amount > 0, "deposit zero amount");
-
-    // 1. Extract real sender if this call is from L1GatewayRouter.
-    address _from = msg.sender;
-    if (router == msg.sender) {
-      (_from, _data) = abi.decode(_data, (address, bytes));
+        l2TokenImplementation = _l2TokenImplementation;
+        l2TokenFactory = _l2TokenFactory;
     }
 
-    // 2. Transfer token into this contract.
-    {
-      // common practice to handle fee on transfer token.
-      uint256 _before = IERC20(_token).balanceOf(address(this));
-      IERC20(_token).safeTransferFrom(_from, address(this), _amount);
-      uint256 _after = IERC20(_token).balanceOf(address(this));
-      // no unchecked here, since some weird token may return arbitrary balance.
-      _amount = _after - _before;
-      // ignore weird fee on transfer token
-      require(_amount > 0, "deposit zero amount");
+    /*************************
+     * Public View Functions *
+     *************************/
+
+    /// @inheritdoc IL1ERC20Gateway
+    function getL2ERC20Address(address _l1Token) public view override returns (address) {
+        // In StandardERC20Gateway, all corresponding l2 tokens are depoyed by Create2 with salt,
+        // we can calculate the l2 address directly.
+        bytes32 _salt = keccak256(abi.encodePacked(counterpart, keccak256(abi.encodePacked(_l1Token))));
+
+        return Clones.predictDeterministicAddress(l2TokenImplementation, _salt, l2TokenFactory);
     }
 
-    // 3. Generate message passed to L2StandardERC20Gateway.
-    address _l2Token = tokenMapping[_token];
-    bytes memory _l2Data = _data;
-    if (_l2Token == address(0)) {
-      // It is a new token, compute and store mapping in storage.
-      _l2Token = getL2ERC20Address(_token);
-      tokenMapping[_token] = _l2Token;
+    /*****************************
+     * Public Mutating Functions *
+     *****************************/
 
-      // passing symbol/name/decimal in order to deploy in L2.
-      string memory _symbol = IERC20Metadata(_token).symbol();
-      string memory _name = IERC20Metadata(_token).name();
-      uint8 _decimals = IERC20Metadata(_token).decimals();
-      _l2Data = abi.encode(_data, abi.encode(_symbol, _name, _decimals));
+    /// @inheritdoc IL1ERC20Gateway
+    function finalizeWithdrawERC20(
+        address _l1Token,
+        address _l2Token,
+        address _from,
+        address _to,
+        uint256 _amount,
+        bytes calldata _data
+    ) external payable override onlyCallByCounterpart {
+        require(msg.value == 0, "nonzero msg.value");
+
+        // @note can possible trigger reentrant call to this contract or messenger,
+        // but it seems not a big problem.
+        IERC20(_l1Token).safeTransfer(_to, _amount);
+
+        // @todo forward `_data` to `_to` in the near future
+
+        emit FinalizeWithdrawERC20(_l1Token, _l2Token, _from, _to, _amount, _data);
     }
-    bytes memory _message = abi.encodeWithSelector(
-      IL2ERC20Gateway.finalizeDepositERC20.selector,
-      _token,
-      _l2Token,
-      _from,
-      _to,
-      _amount,
-      _l2Data
-    );
 
-    // 4. Send message to L1ScrollMessenger.
-    IL1ScrollMessenger(messenger).sendMessage{ value: msg.value }(counterpart, 0, _message, _gasLimit);
+    /**********************
+     * Internal Functions *
+     **********************/
 
-    emit DepositERC20(_token, _l2Token, _from, _to, _amount, _data);
-  }
+    /// @inheritdoc L1ERC20Gateway
+    function _deposit(
+        address _token,
+        address _to,
+        uint256 _amount,
+        bytes memory _data,
+        uint256 _gasLimit
+    ) internal virtual override nonReentrant {
+        require(_amount > 0, "deposit zero amount");
+
+        // 1. Extract real sender if this call is from L1GatewayRouter.
+        address _from = msg.sender;
+        if (router == msg.sender) {
+            (_from, _data) = abi.decode(_data, (address, bytes));
+        }
+
+        // 2. Transfer token into this contract.
+        {
+            // common practice to handle fee on transfer token.
+            uint256 _before = IERC20(_token).balanceOf(address(this));
+            IERC20(_token).safeTransferFrom(_from, address(this), _amount);
+            uint256 _after = IERC20(_token).balanceOf(address(this));
+            // no unchecked here, since some weird token may return arbitrary balance.
+            _amount = _after - _before;
+            // ignore weird fee on transfer token
+            require(_amount > 0, "deposit zero amount");
+        }
+
+        // 3. Generate message passed to L2StandardERC20Gateway.
+        address _l2Token = tokenMapping[_token];
+        bytes memory _l2Data = _data;
+        if (_l2Token == address(0)) {
+            // It is a new token, compute and store mapping in storage.
+            _l2Token = getL2ERC20Address(_token);
+            tokenMapping[_token] = _l2Token;
+
+            // passing symbol/name/decimal in order to deploy in L2.
+            string memory _symbol = IERC20Metadata(_token).symbol();
+            string memory _name = IERC20Metadata(_token).name();
+            uint8 _decimals = IERC20Metadata(_token).decimals();
+            _l2Data = abi.encode(_data, abi.encode(_symbol, _name, _decimals));
+        }
+        bytes memory _message = abi.encodeWithSelector(
+            IL2ERC20Gateway.finalizeDepositERC20.selector,
+            _token,
+            _l2Token,
+            _from,
+            _to,
+            _amount,
+            _l2Data
+        );
+
+        // 4. Send message to L1ScrollMessenger.
+        IL1ScrollMessenger(messenger).sendMessage{value: msg.value}(counterpart, 0, _message, _gasLimit);
+
+        emit DepositERC20(_token, _l2Token, _from, _to, _amount, _data);
+    }
 }

contracts/src/L1/gateways/L1WETHGateway.sol

@@ -2,17 +2,17 @@
 
 pragma solidity ^0.8.0;
 
-import { Initializable } from "@openzeppelin/contracts/proxy/utils/Initializable.sol";
-import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
-import { SafeERC20 } from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
+import {Initializable} from "@openzeppelin/contracts/proxy/utils/Initializable.sol";
+import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
+import {SafeERC20} from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
 
-import { IWETH } from "../../interfaces/IWETH.sol";
-import { IL2ERC20Gateway } from "../../L2/gateways/IL2ERC20Gateway.sol";
-import { IL1ScrollMessenger } from "../IL1ScrollMessenger.sol";
-import { IL1ERC20Gateway } from "./IL1ERC20Gateway.sol";
+import {IWETH} from "../../interfaces/IWETH.sol";
+import {IL2ERC20Gateway} from "../../L2/gateways/IL2ERC20Gateway.sol";
+import {IL1ScrollMessenger} from "../IL1ScrollMessenger.sol";
+import {IL1ERC20Gateway} from "./IL1ERC20Gateway.sol";
 
-import { ScrollGatewayBase } from "../../libraries/gateway/ScrollGatewayBase.sol";
-import { L1ERC20Gateway } from "./L1ERC20Gateway.sol";
+import {ScrollGatewayBase} from "../../libraries/gateway/ScrollGatewayBase.sol";
+import {L1ERC20Gateway} from "./L1ERC20Gateway.sol";
 
 /// @title L1WETHGateway
 /// @notice The `L1WETHGateway` contract is used to deposit `WETH` token in layer 1 and
@@ -22,118 +22,123 @@ import { L1ERC20Gateway } from "./L1ERC20Gateway.sol";
 /// On finalizing withdraw, the Ether will be transfered from `L1ScrollMessenger`, then
 /// wrapped as WETH and finally transfer to recipient.
 contract L1WETHGateway is Initializable, ScrollGatewayBase, L1ERC20Gateway {
-  using SafeERC20 for IERC20;
+    using SafeERC20 for IERC20;
 
-  /*************
-   * Constants *
-   *************/
+    /*************
+     * Constants *
+     *************/
 
-  /// @notice The address of L2 WETH address.
-  address public immutable l2WETH;
+    /// @notice The address of L2 WETH address.
+    address public immutable l2WETH;
 
-  /// @notice The address of L1 WETH address.
-  // solhint-disable-next-line var-name-mixedcase
-  address public immutable WETH;
+    /// @notice The address of L1 WETH address.
+    // solhint-disable-next-line var-name-mixedcase
+    address public immutable WETH;
 
-  /***************
-   * Constructor *
-   ***************/
+    /***************
+     * Constructor *
+     ***************/
 
-  constructor(address _WETH, address _l2WETH) {
-    WETH = _WETH;
-    l2WETH = _l2WETH;
-  }
-
-  /// @notice Initialize the storage of L1WETHGateway.
-  /// @param _counterpart The address of L2ETHGateway in L2.
-  /// @param _router The address of L1GatewayRouter.
-  /// @param _messenger The address of L1ScrollMessenger.
-  function initialize(
-    address _counterpart,
-    address _router,
-    address _messenger
-  ) external initializer {
-    require(_router != address(0), "zero router address");
-    ScrollGatewayBase._initialize(_counterpart, _router, _messenger);
-  }
-
-  receive() external payable {
-    require(msg.sender == WETH, "only WETH");
-  }
-
-  /*************************
-   * Public View Functions *
-   *************************/
-
-  /// @inheritdoc IL1ERC20Gateway
-  function getL2ERC20Address(address) public view override returns (address) {
-    return l2WETH;
-  }
-
-  /****************************
-   * Public Mutated Functions *
-   ****************************/
-
-  /// @inheritdoc IL1ERC20Gateway
-  function finalizeWithdrawERC20(
-    address _l1Token,
-    address _l2Token,
-    address _from,
-    address _to,
-    uint256 _amount,
-    bytes calldata _data
-  ) external payable override onlyCallByCounterpart {
-    require(_l1Token == WETH, "l1 token not WETH");
-    require(_l2Token == l2WETH, "l2 token not WETH");
-    require(_amount == msg.value, "msg.value mismatch");
-
-    IWETH(_l1Token).deposit{ value: _amount }();
-    IERC20(_l1Token).safeTransfer(_to, _amount);
-
-    // @todo forward `_data` to `_to`.
-
-    emit FinalizeWithdrawERC20(_l1Token, _l2Token, _from, _to, _amount, _data);
-  }
-
-  /**********************
-   * Internal Functions *
-   **********************/
-
-  /// @inheritdoc L1ERC20Gateway
-  function _deposit(
-    address _token,
-    address _to,
-    uint256 _amount,
-    bytes memory _data,
-    uint256 _gasLimit
-  ) internal virtual override nonReentrant {
-    require(_amount > 0, "deposit zero amount");
-    require(_token == WETH, "only WETH is allowed");
-
-    // 1. Extract real sender if this call is from L1GatewayRouter.
-    address _from = msg.sender;
-    if (router == msg.sender) {
-      (_from, _data) = abi.decode(_data, (address, bytes));
+    constructor(address _WETH, address _l2WETH) {
+        WETH = _WETH;
+        l2WETH = _l2WETH;
     }
 
-    // 2. Transfer token into this contract.
-    IERC20(_token).safeTransferFrom(_from, address(this), _amount);
-    IWETH(_token).withdraw(_amount);
+    /// @notice Initialize the storage of L1WETHGateway.
+    /// @param _counterpart The address of L2ETHGateway in L2.
+    /// @param _router The address of L1GatewayRouter.
+    /// @param _messenger The address of L1ScrollMessenger.
+    function initialize(
+        address _counterpart,
+        address _router,
+        address _messenger
+    ) external initializer {
+        require(_router != address(0), "zero router address");
+        ScrollGatewayBase._initialize(_counterpart, _router, _messenger);
+    }
 
-    // 3. Generate message passed to L2StandardERC20Gateway.
-    bytes memory _message = abi.encodeWithSelector(
-      IL2ERC20Gateway.finalizeDepositERC20.selector,
-      _token,
-      l2WETH,
-      _from,
-      _to,
-      _amount,
-      _data
-    );
+    receive() external payable {
+        require(msg.sender == WETH, "only WETH");
+    }
 
-    // 4. Send message to L1ScrollMessenger.
-    IL1ScrollMessenger(messenger).sendMessage{ value: _amount + msg.value }(counterpart, _amount, _message, _gasLimit);
+    /*************************
+     * Public View Functions *
+     *************************/
 
-    emit DepositERC20(_token, l2WETH, _from, _to, _amount, _data);
-  }
+    /// @inheritdoc IL1ERC20Gateway
+    function getL2ERC20Address(address) public view override returns (address) {
+        return l2WETH;
+    }
+
+    /*****************************
+     * Public Mutating Functions *
+     *****************************/
+
+    /// @inheritdoc IL1ERC20Gateway
+    function finalizeWithdrawERC20(
+        address _l1Token,
+        address _l2Token,
+        address _from,
+        address _to,
+        uint256 _amount,
+        bytes calldata _data
+    ) external payable override onlyCallByCounterpart {
+        require(_l1Token == WETH, "l1 token not WETH");
+        require(_l2Token == l2WETH, "l2 token not WETH");
+        require(_amount == msg.value, "msg.value mismatch");
+
+        IWETH(_l1Token).deposit{value: _amount}();
+        IERC20(_l1Token).safeTransfer(_to, _amount);
+
+        // @todo forward `_data` to `_to`.
+
+        emit FinalizeWithdrawERC20(_l1Token, _l2Token, _from, _to, _amount, _data);
+    }
+
+    /**********************
+     * Internal Functions *
+     **********************/
+
+    /// @inheritdoc L1ERC20Gateway
+    function _deposit(
+        address _token,
+        address _to,
+        uint256 _amount,
+        bytes memory _data,
+        uint256 _gasLimit
+    ) internal virtual override nonReentrant {
+        require(_amount > 0, "deposit zero amount");
+        require(_token == WETH, "only WETH is allowed");
+
+        // 1. Extract real sender if this call is from L1GatewayRouter.
+        address _from = msg.sender;
+        if (router == msg.sender) {
+            (_from, _data) = abi.decode(_data, (address, bytes));
+        }
+
+        // 2. Transfer token into this contract.
+        IERC20(_token).safeTransferFrom(_from, address(this), _amount);
+        IWETH(_token).withdraw(_amount);
+
+        // 3. Generate message passed to L2StandardERC20Gateway.
+        bytes memory _message = abi.encodeWithSelector(
+            IL2ERC20Gateway.finalizeDepositERC20.selector,
+            _token,
+            l2WETH,
+            _from,
+            _to,
+            _amount,
+            _data
+        );
+
+        // 4. Send message to L1ScrollMessenger.
+        IL1ScrollMessenger(messenger).sendMessage{value: _amount + msg.value}(
+            counterpart,
+            _amount,
+            _message,
+            _gasLimit
+        );
+
+        emit DepositERC20(_token, l2WETH, _from, _to, _amount, _data);
+    }
 }

contracts/src/L1/rollup/IL1MessageQueue.sol

@@ -3,76 +3,76 @@
 pragma solidity ^0.8.0;
 
 interface IL1MessageQueue {
-  /**********
-   * Events *
-   **********/
+    /**********
+     * Events *
+     **********/
 
-  /// @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
-  );
+    /// @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
+    );
 
-  /*************************
-   * Public View Functions *
-   *************************/
+    /*************************
+     * Public View Functions *
+     *************************/
 
-  /// @notice Return the index of next appended message.
-  /// @dev Also the total number of appended messages.
-  function nextCrossDomainMessageIndex() external view returns (uint256);
+    /// @notice Return the index of next appended message.
+    /// @dev Also the total number of appended messages.
+    function nextCrossDomainMessageIndex() external view returns (uint256);
 
-  /// @notice Return the message of in `queueIndex`.
-  /// @param queueIndex The index to query.
-  function getCrossDomainMessage(uint256 queueIndex) external view returns (bytes32);
+    /// @notice Return the message of in `queueIndex`.
+    /// @param queueIndex The index to query.
+    function getCrossDomainMessage(uint256 queueIndex) external view returns (bytes32);
 
-  /// @notice Return the amount of ETH should pay for cross domain message.
-  /// @param sender The address of account who initiates the message in L1.
-  /// @param target The address of account who will recieve the message in L2.
-  /// @param message The content of the message.
-  /// @param gasLimit Gas limit required to complete the message relay on L2.
-  function estimateCrossDomainMessageFee(
-    address sender,
-    address target,
-    bytes memory message,
-    uint256 gasLimit
-  ) external view returns (uint256);
+    /// @notice Return the amount of ETH should pay for cross domain message.
+    /// @param sender The address of account who initiates the message in L1.
+    /// @param target The address of account who will recieve the message in L2.
+    /// @param message The content of the message.
+    /// @param gasLimit Gas limit required to complete the message relay on L2.
+    function estimateCrossDomainMessageFee(
+        address sender,
+        address target,
+        bytes memory message,
+        uint256 gasLimit
+    ) external view returns (uint256);
 
-  /****************************
-   * Public Mutated Functions *
-   ****************************/
+    /*****************************
+     * Public Mutating Functions *
+     *****************************/
 
-  /// @notice Append a L1 to L2 message into this contract.
-  /// @param target The address of target contract to call in L2.
-  /// @param gasLimit The maximum gas should be used for relay this message in L2.
-  /// @param data The calldata passed to target contract.
-  function appendCrossDomainMessage(
-    address target,
-    uint256 gasLimit,
-    bytes calldata data
-  ) external;
+    /// @notice Append a L1 to L2 message into this contract.
+    /// @param target The address of target contract to call in L2.
+    /// @param gasLimit The maximum gas should be used for relay this message in L2.
+    /// @param data The calldata passed to target contract.
+    function appendCrossDomainMessage(
+        address target,
+        uint256 gasLimit,
+        bytes calldata data
+    ) external;
 
-  /// @notice Append an enforced transaction to this contract.
-  /// @dev The address of sender should be an EOA.
-  /// @param sender The address of sender who will initiate this transaction in L2.
-  /// @param target The address of target contract to call in L2.
-  /// @param value The value passed
-  /// @param gasLimit The maximum gas should be used for this transaction in L2.
-  /// @param data The calldata passed to target contract.
-  function appendEnforcedTransaction(
-    address sender,
-    address target,
-    uint256 value,
-    uint256 gasLimit,
-    bytes calldata data
-  ) external;
+    /// @notice Append an enforced transaction to this contract.
+    /// @dev The address of sender should be an EOA.
+    /// @param sender The address of sender who will initiate this transaction in L2.
+    /// @param target The address of target contract to call in L2.
+    /// @param value The value passed
+    /// @param gasLimit The maximum gas should be used for this transaction in L2.
+    /// @param data The calldata passed to target contract.
+    function appendEnforcedTransaction(
+        address sender,
+        address target,
+        uint256 value,
+        uint256 gasLimit,
+        bytes calldata data
+    ) external;
 }