fix(bridge): compatible with DynamicFeeTxType not supported chain (#280)

Co-authored-by: colinlyguo <colinlyguo@gmail.com>

bridge/config.json

@@ -15,7 +15,7 @@
         "escalate_multiple_num": 11,
         "escalate_multiple_den": 10,
         "max_gas_price": 10000000000,
-        "tx_type": "AccessListTx",
+        "tx_type": "LegacyTx",
         "min_balance": 100000000000000000000
       },
       "message_sender_private_keys": [
@@ -38,7 +38,7 @@
         "escalate_multiple_num": 11,
         "escalate_multiple_den": 10,
         "max_gas_price": 10000000000,
-        "tx_type": "DynamicFeeTx",
+        "tx_type": "LegacyTx",
         "min_balance": 100000000000000000000
       },
       "message_sender_private_keys": [

bridge/sender/sender.go

@@ -120,6 +120,15 @@ func NewSender(ctx context.Context, config *config.SenderConfig, privs []*ecdsa.
 		return nil, err
 	}
 
+	var baseFeePerGas uint64
+	if config.TxType == DynamicFeeTxType {
+		if header.BaseFee != nil {
+			baseFeePerGas = header.BaseFee.Uint64()
+		} else {
+			return nil, errors.New("DynamicFeeTxType not supported, header.BaseFee nil")
+		}
+	}
+
 	sender := &Sender{
 		ctx:           ctx,
 		config:        config,
@@ -128,7 +137,7 @@ func NewSender(ctx context.Context, config *config.SenderConfig, privs []*ecdsa.
 		auths:         auths,
 		confirmCh:     make(chan *Confirmation, 128),
 		blockNumber:   header.Number.Uint64(),
-		baseFeePerGas: header.BaseFee.Uint64(),
+		baseFeePerGas: baseFeePerGas,
 		pendingTxs:    sync.Map{},
 		stopCh:        make(chan struct{}),
 	}
@@ -356,7 +365,13 @@ func (s *Sender) resubmitTransaction(feeData *FeeData, auth *bind.TransactOpts,
 func (s *Sender) CheckPendingTransaction(header *types.Header) {
 	number := header.Number.Uint64()
 	atomic.StoreUint64(&s.blockNumber, number)
-	atomic.StoreUint64(&s.baseFeePerGas, header.BaseFee.Uint64())
+	if s.config.TxType == DynamicFeeTxType {
+		if header.BaseFee != nil {
+			atomic.StoreUint64(&s.baseFeePerGas, header.BaseFee.Uint64())
+		} else {
+			log.Error("DynamicFeeTxType not supported, header.BaseFee nil")
+		}
+	}
 	s.pendingTxs.Range(func(key, value interface{}) bool {
 		// ignore empty id, since we use empty id to occupy pending task
 		if value == nil || reflect.ValueOf(value).IsNil() {

common/docker/l2geth/Dockerfile

@@ -1,4 +1,4 @@
-FROM scrolltech/l2geth:prealpha-v4.2
+FROM scrolltech/l2geth:prealpha-v5.1
 
 RUN mkdir -p /l2geth/keystore
 

common/version/version.go

@@ -5,7 +5,7 @@ import (
 	"runtime/debug"
 )
 
-var tag = "prealpha-v11.18"
+var tag = "prealpha-v11.19"
 
 var commit = func() string {
 	if info, ok := debug.ReadBuildInfo(); ok {

tests/integration-test/common.go

@@ -122,7 +122,7 @@ func runSender(t *testing.T, endpoint string) *sender.Sender {
 		Confirmations:       0,
 		EscalateMultipleNum: 11,
 		EscalateMultipleDen: 10,
-		TxType:              "DynamicFeeTx",
+		TxType:              "LegacyTx",
 	}, []*ecdsa.PrivateKey{priv})
 	assert.NoError(t, err)
 	return newSender