l2geth: remove `SignatureHashType` (#752)

* l2geth: remove tx type

* l2geth: no longer parse type in rollup client

* chore: add changeset

* chore: remove extra sighash params

* fix: do not check txtype in integration tests
Co-authored-by: Georgios Konstantopoulos <me@gakonst.com>

.changeset/six-seals-eat.md

+---
+'@eth-optimism/l2geth': patch
+---
+
+Removes the SignatureHashType from l2geth as it is deprecated and no longer required.

integration-tests/test/queue-ingestion.spec.ts

@@ -86,8 +86,6 @@ describe('Queue Ingestion', () => {
       // The `to` addresses are defined in the previous test and
       // increment sequentially.
       expect(tx.to).to.be.equal('0x' + `${i}`.repeat(40))
-      // The transaction type is EIP155
-      expect(tx.txType).to.be.equal('EIP155')
       // The queue origin is Layer 1
       expect(tx.queueOrigin).to.be.equal('l1')
       // the L1TxOrigin is equal to the Layer one from

integration-tests/test/rpc.spec.ts

@@ -249,7 +249,6 @@ describe('Basic RPC tests', () => {
       await result.wait()
 
       const transaction = (await provider.getTransaction(result.hash)) as any
-      expect(transaction.txType).to.equal('EIP155')
       expect(transaction.queueOrigin).to.equal('sequencer')
       expect(transaction.transactionIndex).to.be.eq(0)
       expect(transaction.gasLimit).to.be.deep.eq(BigNumber.from(tx.gasLimit))
@@ -270,7 +269,6 @@ describe('Basic RPC tests', () => {
       expect(block.number).to.not.equal(0)
       expect(typeof block.stateRoot).to.equal('string')
       expect(block.transactions.length).to.equal(1)
-      expect(block.transactions[0].txType).to.equal('EIP155')
       expect(block.transactions[0].queueOrigin).to.equal('sequencer')
       expect(block.transactions[0].l1TxOrigin).to.equal(null)
     })

l2geth/accounts/abi/bind/backends/simulated.go

@@ -604,7 +604,6 @@ func (m callmsg) Data() []byte         { return m.CallMsg.Data }
 func (m callmsg) L1MessageSender() *common.Address { return m.CallMsg.L1MessageSender }
 func (m callmsg) L1BlockNumber() *big.Int          { return m.CallMsg.L1BlockNumber }
 func (m callmsg) QueueOrigin() *big.Int            { return m.CallMsg.QueueOrigin }
-func (m callmsg) SignatureHashType() types.SignatureHashType { return m.CallMsg.SignatureHashType }
 
 // filterBackend implements filters.Backend to support filtering for logs without
 // taking bloom-bits acceleration structures into account.

l2geth/core/rawdb/accessors_chain_test.go

@@ -430,7 +430,7 @@ func TestBlockMetaStorage(t *testing.T) {
 
 	index1 := uint64(1)
 	tx1 := types.NewTransaction(1, common.HexToAddress("0x1"), big.NewInt(1), 1, big.NewInt(1), nil)
-	tx1Meta := types.NewTransactionMeta(nil, 0, nil, types.SighashEIP155, types.QueueOriginSequencer, &index1, nil, nil)
+	tx1Meta := types.NewTransactionMeta(nil, 0, nil, types.QueueOriginSequencer, &index1, nil, nil)
 	tx1.SetTransactionMeta(tx1Meta)
 
 	WriteTransactionMeta(db, index1, tx1.GetMeta())
@@ -442,9 +442,6 @@ func TestBlockMetaStorage(t *testing.T) {
 	if meta.L1BlockNumber != nil {
 		t.Fatalf("Could not recover L1BlockNumber")
 	}
-	if meta.SignatureHashType != types.SighashEIP155 {
-		t.Fatalf("Could not recover sighash type")
-	}
 	if meta.Index == nil {
 		t.Fatalf("Could not recover index")
 	}
@@ -464,7 +461,7 @@ func TestBlockMetaStorage(t *testing.T) {
 
 	index2 := uint64(2)
 	tx2 := types.NewTransaction(2, common.HexToAddress("0x02"), big.NewInt(2), 2, big.NewInt(2), nil)
-	tx2Meta := types.NewTransactionMeta(l1BlockNumber, 0, &addr, types.SighashEthSign, types.QueueOriginSequencer, nil, nil, nil)
+	tx2Meta := types.NewTransactionMeta(l1BlockNumber, 0, &addr, types.QueueOriginSequencer, nil, nil, nil)
 	tx2.SetTransactionMeta(tx2Meta)
 
 	WriteTransactionMeta(db, index2, tx2.GetMeta())
@@ -477,7 +474,4 @@ func TestBlockMetaStorage(t *testing.T) {
 	if meta2.L1BlockNumber.Cmp(l1BlockNumber) != 0 {
 		t.Fatalf("Could not recover L1BlockNumber")
 	}
-	if meta2.SignatureHashType != types.SighashEthSign {
-		t.Fatalf("Could not recover sighash type")
-	}
 }

l2geth/core/rawdb/accessors_indexes_test.go

@@ -73,15 +73,15 @@ func TestLookupStorage(t *testing.T) {
 			l1BlockNumber2 := big.NewInt(2)
 
 			tx1 := types.NewTransaction(1, common.BytesToAddress([]byte{0x11}), big.NewInt(111), 1111, big.NewInt(11111), []byte{0x11, 0x11, 0x11})
-			tx1Meta := types.NewTransactionMeta(l1BlockNumber1, 0, &sender1, types.SighashEIP155, types.QueueOriginSequencer, nil, nil, nil)
+			tx1Meta := types.NewTransactionMeta(l1BlockNumber1, 0, &sender1, types.QueueOriginSequencer, nil, nil, nil)
 			tx1.SetTransactionMeta(tx1Meta)
 
 			tx2 := types.NewTransaction(2, common.BytesToAddress([]byte{0x22}), big.NewInt(222), 2222, big.NewInt(22222), []byte{0x22, 0x22, 0x22})
-			tx2Meta := types.NewTransactionMeta(l1BlockNumber2, 0, &sender2, types.SighashEIP155, types.QueueOriginSequencer, nil, nil, nil)
+			tx2Meta := types.NewTransactionMeta(l1BlockNumber2, 0, &sender2, types.QueueOriginSequencer, nil, nil, nil)
 			tx2.SetTransactionMeta(tx2Meta)
 
 			tx3 := types.NewTransaction(3, common.BytesToAddress([]byte{0x33}), big.NewInt(333), 3333, big.NewInt(33333), []byte{0x33, 0x33, 0x33})
-			tx3Meta := types.NewTransactionMeta(l1BlockNumber1, 0, nil, types.SighashEIP155, types.QueueOriginSequencer, nil, nil, nil)
+			tx3Meta := types.NewTransactionMeta(l1BlockNumber1, 0, nil, types.QueueOriginSequencer, nil, nil, nil)
 			tx3.SetTransactionMeta(tx3Meta)
 
 			txs := []*types.Transaction{tx1, tx2, tx3}

l2geth/core/state_transition.go

@@ -78,7 +78,6 @@ type Message interface {
 	L1MessageSender() *common.Address
 	L1BlockNumber() *big.Int
 	QueueOrigin() *big.Int
-	SignatureHashType() types.SignatureHashType
 }
 
 // IntrinsicGas computes the 'intrinsic gas' for a message with the given data.

l2geth/core/state_transition_ovm.go

@@ -156,7 +156,6 @@ func modMessage(
 		msg.L1MessageSender(),
 		msg.L1BlockNumber(),
 		queueOrigin,
-		msg.SignatureHashType(),
 	)
 
 	return outmsg, nil

l2geth/core/types/gen_tx_meta_json.go

@@ -15,14 +15,12 @@ func (t TransactionMeta) MarshalJSON() ([]byte, error) {
 	type TransactionMeta struct {
 		L1BlockNumber   *big.Int        `json:"l1BlockNumber"`
 		L1MessageSender *common.Address `json:"l1MessageSender" gencodec:"required"`
-		SignatureHashType SignatureHashType `json:"signatureHashType" gencodec:"required"`
 		QueueOrigin     *big.Int        `json:"queueOrigin" gencodec:"required"`
 		Index           *uint64         `json:"index" gencodec:"required"`
 	}
 	var enc TransactionMeta
 	enc.L1BlockNumber = t.L1BlockNumber
 	enc.L1MessageSender = t.L1MessageSender
-	enc.SignatureHashType = t.SignatureHashType
 	enc.QueueOrigin = t.QueueOrigin
 	enc.Index = t.Index
 	return json.Marshal(&enc)
@@ -33,7 +31,6 @@ func (t *TransactionMeta) UnmarshalJSON(input []byte) error {
 	type TransactionMeta struct {
 		L1BlockNumber   *big.Int        `json:"l1BlockNumber"`
 		L1MessageSender *common.Address `json:"l1MessageSender" gencodec:"required"`
-		SignatureHashType *SignatureHashType `json:"signatureHashType" gencodec:"required"`
 		QueueOrigin     *big.Int        `json:"queueOrigin" gencodec:"required"`
 		Index           *uint64         `json:"index" gencodec:"required"`
 	}
@@ -48,10 +45,6 @@ func (t *TransactionMeta) UnmarshalJSON(input []byte) error {
 		return errors.New("missing required field 'l1MessageSender' for TransactionMeta")
 	}
 	t.L1MessageSender = dec.L1MessageSender
-	if dec.SignatureHashType == nil {
-		return errors.New("missing required field 'signatureHashType' for TransactionMeta")
-	}
-	t.SignatureHashType = *dec.SignatureHashType
 	if dec.QueueOrigin == nil {
 		return errors.New("missing required field 'queueOrigin' for TransactionMeta")
 	}

l2geth/core/types/transaction.go

@@ -35,15 +35,6 @@ var (
 	ErrInvalidSig = errors.New("invalid transaction v, r, s values")
 )
 
-// TODO(mark): migrate from sighash type to type
-type SignatureHashType uint8
-
-const (
-	SighashEIP155  SignatureHashType = 0
-	SighashEthSign SignatureHashType = 1
-	CreateEOA      SignatureHashType = 2
-)
-
 type Transaction struct {
 	data txdata
 	meta TransactionMeta
@@ -85,7 +76,6 @@ func NewTransaction(nonce uint64, to common.Address, amount *big.Int, gasLimit u
 	return newTransaction(nonce, &to, amount, gasLimit, gasPrice, data)
 }
 
-// TODO: cannot deploy contracts with SighashEthSign right until SighashEIP155 is no longer hardcoded
 func NewContractCreation(nonce uint64, amount *big.Int, gasLimit uint64, gasPrice *big.Int, data []byte) *Transaction {
 	return newTransaction(nonce, nil, amount, gasLimit, gasPrice, data)
 }
@@ -95,7 +85,7 @@ func newTransaction(nonce uint64, to *common.Address, amount *big.Int, gasLimit
 		data = common.CopyBytes(data)
 	}
 
-	meta := NewTransactionMeta(nil, 0, nil, SighashEIP155, QueueOriginSequencer, nil, nil, nil)
+	meta := NewTransactionMeta(nil, 0, nil, QueueOriginSequencer, nil, nil, nil)
 
 	d := txdata{
 		AccountNonce: nonce,
@@ -232,13 +222,6 @@ func (tx *Transaction) Nonce() uint64      { return tx.data.AccountNonce }
 func (tx *Transaction) CheckNonce() bool   { return true }
 
 func (tx *Transaction) SetNonce(nonce uint64) { tx.data.AccountNonce = nonce }
-func (tx *Transaction) SignatureHashType() SignatureHashType { return tx.meta.SignatureHashType }
-func (tx *Transaction) SetSignatureHashType(sighashType SignatureHashType) {
-	tx.meta.SignatureHashType = sighashType
-}
-func (tx *Transaction) IsEthSignSighash() bool {
-	return tx.SignatureHashType() == SighashEthSign
-}
 
 // To returns the recipient address of the transaction.
 // It returns nil if the transaction is a contract creation.
@@ -320,7 +303,6 @@ func (tx *Transaction) AsMessage(s Signer) (Message, error) {
 
 		l1MessageSender: tx.meta.L1MessageSender,
 		l1BlockNumber:   tx.meta.L1BlockNumber,
-		signatureHashType: tx.meta.SignatureHashType,
 		queueOrigin:     tx.meta.QueueOrigin,
 	}
 
@@ -536,11 +518,10 @@ type Message struct {
 
 	l1MessageSender *common.Address
 	l1BlockNumber   *big.Int
-	signatureHashType SignatureHashType
 	queueOrigin     *big.Int
 }
 
-func NewMessage(from common.Address, to *common.Address, nonce uint64, amount *big.Int, gasLimit uint64, gasPrice *big.Int, data []byte, checkNonce bool, l1MessageSender *common.Address, l1BlockNumber *big.Int, queueOrigin QueueOrigin, signatureHashType SignatureHashType) Message {
+func NewMessage(from common.Address, to *common.Address, nonce uint64, amount *big.Int, gasLimit uint64, gasPrice *big.Int, data []byte, checkNonce bool, l1MessageSender *common.Address, l1BlockNumber *big.Int, queueOrigin QueueOrigin) Message {
 	return Message{
 		from:       from,
 		to:         to,
@@ -553,7 +534,6 @@ func NewMessage(from common.Address, to *common.Address, nonce uint64, amount *b
 
 		l1BlockNumber:   l1BlockNumber,
 		l1MessageSender: l1MessageSender,
-		signatureHashType: signatureHashType,
 		queueOrigin:     big.NewInt(int64(queueOrigin)),
 	}
 }
@@ -569,5 +549,4 @@ func (m Message) CheckNonce() bool     { return m.checkNonce }
 
 func (m Message) L1MessageSender() *common.Address { return m.l1MessageSender }
 func (m Message) L1BlockNumber() *big.Int          { return m.l1BlockNumber }
-func (m Message) SignatureHashType() SignatureHashType { return m.signatureHashType }
 func (m Message) QueueOrigin() *big.Int            { return m.queueOrigin }

l2geth/core/types/transaction_meta.go

@@ -26,7 +26,6 @@ type TransactionMeta struct {
 	L1BlockNumber   *big.Int        `json:"l1BlockNumber"`
 	L1Timestamp     uint64          `json:"l1Timestamp"`
 	L1MessageSender *common.Address `json:"l1MessageSender" gencodec:"required"`
-	SignatureHashType SignatureHashType `json:"signatureHashType" gencodec:"required"`
 	QueueOrigin     *big.Int        `json:"queueOrigin" gencodec:"required"`
 	// The canonical transaction chain index
 	Index *uint64 `json:"index" gencodec:"required"`
@@ -36,12 +35,11 @@ type TransactionMeta struct {
 }
 
 // NewTransactionMeta creates a TransactionMeta
-func NewTransactionMeta(l1BlockNumber *big.Int, l1timestamp uint64, l1MessageSender *common.Address, sighashType SignatureHashType, queueOrigin QueueOrigin, index *uint64, queueIndex *uint64, rawTransaction []byte) *TransactionMeta {
+func NewTransactionMeta(l1BlockNumber *big.Int, l1timestamp uint64, l1MessageSender *common.Address, queueOrigin QueueOrigin, index *uint64, queueIndex *uint64, rawTransaction []byte) *TransactionMeta {
 	return &TransactionMeta{
 		L1BlockNumber:   l1BlockNumber,
 		L1Timestamp:     l1timestamp,
 		L1MessageSender: l1MessageSender,
-		SignatureHashType: sighashType,
 		QueueOrigin:     big.NewInt(int64(queueOrigin)),
 		Index:           index,
 		QueueIndex:      queueIndex,
@@ -51,7 +49,6 @@ func NewTransactionMeta(l1BlockNumber *big.Int, l1timestamp uint64, l1MessageSen
 
 // TxMetaDecode deserializes bytes as a TransactionMeta struct.
 // The schema is:
-//   varbytes(SignatureHashType) ||
 //   varbytes(L1BlockNumber) ||
 //   varbytes(L1MessageSender) ||
 //   varbytes(QueueOrigin) ||
@@ -61,14 +58,6 @@ func TxMetaDecode(input []byte) (*TransactionMeta, error) {
 	meta := TransactionMeta{}
 	b := bytes.NewReader(input)
 
-	sb, err := common.ReadVarBytes(b, 0, 1024, "SignatureHashType")
-	if err != nil {
-		return nil, err
-	}
-	var sighashType SignatureHashType
-	binary.Read(bytes.NewReader(sb), binary.LittleEndian, &sighashType)
-	meta.SignatureHashType = sighashType
-
 	lb, err := common.ReadVarBytes(b, 0, 1024, "l1BlockNumber")
 	if err != nil {
 		return nil, err
@@ -138,10 +127,6 @@ func TxMetaDecode(input []byte) (*TransactionMeta, error) {
 func TxMetaEncode(meta *TransactionMeta) []byte {
 	b := new(bytes.Buffer)
 
-	s := new(bytes.Buffer)
-	binary.Write(s, binary.LittleEndian, &meta.SignatureHashType)
-	common.WriteVarBytes(b, 0, s.Bytes())
-
 	L1BlockNumber := meta.L1BlockNumber
 	if L1BlockNumber == nil {
 		common.WriteVarBytes(b, 0, getNullValue())

l2geth/core/types/transaction_meta_test.go

@@ -17,7 +17,6 @@ var (
 		l1BlockNumber  *big.Int
 		l1Timestamp    uint64
 		msgSender      *common.Address
-		sighashType    SignatureHashType
 		queueOrigin    QueueOrigin
 		rawTransaction []byte
 	}{
@@ -25,7 +24,6 @@ var (
 			l1BlockNumber:  l1BlockNumber,
 			l1Timestamp:    100,
 			msgSender:      &addr,
-			sighashType:    SighashEthSign,
 			queueOrigin:    QueueOriginL1ToL2,
 			rawTransaction: []byte{255, 255, 255, 255},
 		},
@@ -33,7 +31,6 @@ var (
 			l1BlockNumber:  nil,
 			l1Timestamp:    45,
 			msgSender:      &addr,
-			sighashType:    SighashEthSign,
 			queueOrigin:    QueueOriginL1ToL2,
 			rawTransaction: []byte{42, 69, 42, 69},
 		},
@@ -41,7 +38,6 @@ var (
 			l1BlockNumber:  l1BlockNumber,
 			l1Timestamp:    0,
 			msgSender:      nil,
-			sighashType:    SighashEthSign,
 			queueOrigin:    QueueOriginSequencer,
 			rawTransaction: []byte{0, 0, 0, 0},
 		},
@@ -49,7 +45,6 @@ var (
 			l1BlockNumber:  l1BlockNumber,
 			l1Timestamp:    0,
 			msgSender:      &addr,
-			sighashType:    SighashEthSign,
 			queueOrigin:    QueueOriginSequencer,
 			rawTransaction: []byte{0, 0, 0, 0},
 		},
@@ -57,7 +52,6 @@ var (
 			l1BlockNumber:  nil,
 			l1Timestamp:    0,
 			msgSender:      nil,
-			sighashType:    SighashEthSign,
 			queueOrigin:    QueueOriginL1ToL2,
 			rawTransaction: []byte{0, 0, 0, 0},
 		},
@@ -65,30 +59,15 @@ var (
 			l1BlockNumber:  l1BlockNumber,
 			l1Timestamp:    0,
 			msgSender:      &addr,
-			sighashType:    SighashEthSign,
 			queueOrigin:    QueueOriginL1ToL2,
 			rawTransaction: []byte{0, 0, 0, 0},
 		},
 	}
-
-	txMetaSighashEncodeTests = []struct {
-		input  SignatureHashType
-		output SignatureHashType
-	}{
-		{
-			input:  SighashEIP155,
-			output: SighashEIP155,
-		},
-		{
-			input:  SighashEthSign,
-			output: SighashEthSign,
-		},
-	}
 )
 
 func TestTransactionMetaEncode(t *testing.T) {
 	for _, test := range txMetaSerializationTests {
-		txmeta := NewTransactionMeta(test.l1BlockNumber, test.l1Timestamp, test.msgSender, test.sighashType, test.queueOrigin, nil, nil, test.rawTransaction)
+		txmeta := NewTransactionMeta(test.l1BlockNumber, test.l1Timestamp, test.msgSender, test.queueOrigin, nil, nil, test.rawTransaction)
 
 		encoded := TxMetaEncode(txmeta)
 		decoded, err := TxMetaDecode(encoded)
@@ -103,22 +82,6 @@ func TestTransactionMetaEncode(t *testing.T) {
 	}
 }
 
-func TestTransactionSighashEncode(t *testing.T) {
-	for _, test := range txMetaSighashEncodeTests {
-		txmeta := NewTransactionMeta(l1BlockNumber, 0, &addr, test.input, QueueOriginSequencer, nil, nil, nil)
-		encoded := TxMetaEncode(txmeta)
-		decoded, err := TxMetaDecode(encoded)
-
-		if err != nil {
-			t.Fatal(err)
-		}
-
-		if decoded.SignatureHashType != test.output {
-			t.Fatal("SighashTypes do not match")
-		}
-	}
-}
-
 func isTxMetaEqual(meta1 *TransactionMeta, meta2 *TransactionMeta) bool {
 	// Maybe can just return this
 	if !reflect.DeepEqual(meta1, meta2) {
@@ -149,10 +112,6 @@ func isTxMetaEqual(meta1 *TransactionMeta, meta2 *TransactionMeta) bool {
 		}
 	}
 
-	if meta1.SignatureHashType != meta2.SignatureHashType {
-		return false
-	}
-
 	if meta1.QueueOrigin == nil || meta2.QueueOrigin == nil {
 		// Note: this only works because it is the final comparison
 		if meta1.QueueOrigin == nil && meta2.QueueOrigin == nil {

l2geth/core/types/transaction_test.go

@@ -263,8 +263,4 @@ func TestOVMMetaDataHash(t *testing.T) {
 	if emptyTx.Hash() != emptyTxEmptyL1Sender.Hash() {
 		t.Errorf("L1MessageSender, should not affect the hash, want %x, got %x with L1MessageSender", emptyTx.Hash(), emptyTxEmptyL1Sender.Hash())
 	}
-
-	if emptyTx.Hash() != emptyTxSighashEthSign.Hash() {
-		t.Errorf("SignatureHashType, should not affect the hash, want %x, got %x with SighashEthSign", emptyTx.Hash(), emptyTxSighashEthSign.Hash())
-	}
 }

l2geth/interfaces.go

@@ -123,7 +123,6 @@ type CallMsg struct {
 	L1MessageSender *common.Address
 	L1BlockNumber   *big.Int
 	QueueOrigin     *big.Int
-	SignatureHashType types.SignatureHashType
 }
 
 // A ContractCaller provides contract calls, essentially transactions that are executed by

l2geth/internal/ethapi/api.go

@@ -931,7 +931,7 @@ func DoCall(ctx context.Context, b Backend, args CallArgs, blockNrOrHash rpc.Blo
 
 	// Create new call message
 	var msg core.Message
-	msg = types.NewMessage(addr, args.To, 0, value, gas, gasPrice, data, false, &addr, nil, types.QueueOriginSequencer, 0)
+	msg = types.NewMessage(addr, args.To, 0, value, gas, gasPrice, data, false, &addr, nil, types.QueueOriginSequencer)
 	if vm.UsingOVM {
 		cfg := b.ChainConfig()
 		executionManager := cfg.StateDump.Accounts["OVM_ExecutionManager"]
@@ -1375,15 +1375,6 @@ func newRPCTransaction(tx *types.Transaction, blockHash common.Hash, blockNumber
 			queueIndex := (hexutil.Uint64)(*meta.QueueIndex)
 			result.QueueIndex = &queueIndex
 		}
-
-		switch meta.SignatureHashType {
-		case types.SighashEthSign:
-			result.TxType = "EthSign"
-		case types.SighashEIP155:
-			result.TxType = "EIP155"
-		case types.CreateEOA:
-			result.TxType = "CreateEOA"
-		}
 	}
 	return result
 }
@@ -1618,7 +1609,6 @@ type SendTxArgs struct {
 
 	L1BlockNumber   *big.Int        `json:"l1BlockNumber"`
 	L1MessageSender *common.Address `json:"l1MessageSender"`
-	SignatureHashType types.SignatureHashType `json:"signatureHashType"`
 }
 
 // setDefaults is a helper function that fills in default values for unspecified tx fields.
@@ -1691,13 +1681,13 @@ func (args *SendTxArgs) toTransaction() *types.Transaction {
 	if args.To == nil {
 		tx := types.NewContractCreation(uint64(*args.Nonce), (*big.Int)(args.Value), uint64(*args.Gas), (*big.Int)(args.GasPrice), input)
 		raw, _ := rlp.EncodeToBytes(tx)
-		txMeta := types.NewTransactionMeta(args.L1BlockNumber, 0, nil, types.SighashEIP155, types.QueueOriginSequencer, nil, nil, raw)
+		txMeta := types.NewTransactionMeta(args.L1BlockNumber, 0, nil, types.QueueOriginSequencer, nil, nil, raw)
 		tx.SetTransactionMeta(txMeta)
 		return tx
 	}
 	tx := types.NewTransaction(uint64(*args.Nonce), *args.To, (*big.Int)(args.Value), uint64(*args.Gas), (*big.Int)(args.GasPrice), input)
 	raw, _ := rlp.EncodeToBytes(tx)
-	txMeta := types.NewTransactionMeta(args.L1BlockNumber, 0, args.L1MessageSender, args.SignatureHashType, types.QueueOriginSequencer, nil, nil, raw)
+	txMeta := types.NewTransactionMeta(args.L1BlockNumber, 0, args.L1MessageSender, types.QueueOriginSequencer, nil, nil, raw)
 	tx.SetTransactionMeta(txMeta)
 	return tx
 }
@@ -1794,7 +1784,7 @@ func (s *PublicTransactionPoolAPI) SendRawTransaction(ctx context.Context, encod
 		return common.Hash{}, err
 	}
 	// L1Timestamp and L1BlockNumber will be set right before execution
-	txMeta := types.NewTransactionMeta(nil, 0, nil, types.SighashEIP155, types.QueueOriginSequencer, nil, nil, encodedTx)
+	txMeta := types.NewTransactionMeta(nil, 0, nil, types.QueueOriginSequencer, nil, nil, encodedTx)
 	tx.SetTransactionMeta(txMeta)
 	return SubmitTransaction(ctx, s.b, tx)
 }
@@ -2151,7 +2141,6 @@ func (api *PrivateDebugAPI) IngestTransactions(txs []*RPCTransaction) error {
 		l1Timestamp := uint64(tx.L1Timestamp)
 		rawTransaction := tx.RawTransaction
 
-		sighashType := types.SighashEIP155
 		var queueOrigin types.QueueOrigin
 		switch tx.QueueOrigin {
 		case "sequencer":
@@ -2173,7 +2162,6 @@ func (api *PrivateDebugAPI) IngestTransactions(txs []*RPCTransaction) error {
 			L1BlockNumber:   l1BlockNumber,
 			L1Timestamp:     l1Timestamp,
 			L1MessageSender: tx.L1TxOrigin,
-			SignatureHashType: sighashType,
 			QueueOrigin:     big.NewInt(int64(queueOrigin)),
 			Index:           (*uint64)(tx.Index),
 			QueueIndex:      (*uint64)(tx.QueueIndex),

l2geth/les/odr_test.go

@@ -128,7 +128,7 @@ func odrContractCall(ctx context.Context, db ethdb.Database, config *params.Chai
 				from := statedb.GetOrNewStateObject(bankAddr)
 				from.SetBalance(math.MaxBig256)
 
-				msg := callmsg{types.NewMessage(from.Address(), &testContractAddr, 0, new(big.Int), 100000, new(big.Int), data, false, nil, nil, types.QueueOriginSequencer, 0)}
+				msg := callmsg{types.NewMessage(from.Address(), &testContractAddr, 0, new(big.Int), 100000, new(big.Int), data, false, nil, nil, types.QueueOriginSequencer)}
 
 				context := core.NewEVMContext(msg, header, bc, nil)
 				vmenv := vm.NewEVM(context, statedb, config, vm.Config{})
@@ -142,7 +142,7 @@ func odrContractCall(ctx context.Context, db ethdb.Database, config *params.Chai
 			header := lc.GetHeaderByHash(bhash)
 			state := light.NewState(ctx, header, lc.Odr())
 			state.SetBalance(bankAddr, math.MaxBig256)
-			msg := callmsg{types.NewMessage(bankAddr, &testContractAddr, 0, new(big.Int), 100000, new(big.Int), data, false, nil, nil, types.QueueOriginSequencer, 0)}
+			msg := callmsg{types.NewMessage(bankAddr, &testContractAddr, 0, new(big.Int), 100000, new(big.Int), data, false, nil, nil, types.QueueOriginSequencer)}
 			context := core.NewEVMContext(msg, header, lc, nil)
 			vmenv := vm.NewEVM(context, state, config, vm.Config{})
 			gp := new(core.GasPool).AddGas(math.MaxUint64)

l2geth/light/odr_test.go

@@ -194,7 +194,7 @@ func odrContractCall(ctx context.Context, db ethdb.Database, bc *core.BlockChain
 
 		// Perform read-only call.
 		st.SetBalance(testBankAddress, math.MaxBig256)
-		msg := callmsg{types.NewMessage(testBankAddress, &testContractAddr, 0, new(big.Int), 1000000, new(big.Int), data, false, nil, nil, types.QueueOriginSequencer, 0)}
+		msg := callmsg{types.NewMessage(testBankAddress, &testContractAddr, 0, new(big.Int), 1000000, new(big.Int), data, false, nil, nil, types.QueueOriginSequencer)}
 		context := core.NewEVMContext(msg, header, chain, nil)
 		vmenv := vm.NewEVM(context, st, config, vm.Config{})
 		gp := new(core.GasPool).AddGas(math.MaxUint64)

l2geth/miner/worker.go

@@ -1073,7 +1073,7 @@ func (w *worker) commit(uncles []*types.Header, interval func(), update bool, st
 				bn = new(big.Int)
 			}
 			log.Info("New block", "index", block.Number().Uint64()-uint64(1), "l1-timestamp", tx.L1Timestamp(), "l1-blocknumber", bn.Uint64(), "tx-hash", tx.Hash().Hex(),
-				"queue-orign", tx.QueueOrigin(), "type", tx.SignatureHashType(), "gas", block.GasUsed(), "fees", feesEth, "elapsed", common.PrettyDuration(time.Since(start)))
+				"queue-orign", tx.QueueOrigin(), "gas", block.GasUsed(), "fees", feesEth, "elapsed", common.PrettyDuration(time.Since(start)))
 
 		case <-w.exitCh:
 			log.Info("Worker has exited")

l2geth/rollup/client.go

@@ -74,7 +74,6 @@ type transaction struct {
 	Origin      *common.Address `json:"origin"`
 	Data        hexutil.Bytes   `json:"data"`
 	QueueOrigin string          `json:"queueOrigin"`
-	Type        string          `json:"type"`
 	QueueIndex  *uint64         `json:"queueIndex"`
 	Decoded     *decoded        `json:"decoded"`
 }
@@ -241,7 +240,6 @@ func enqueueToTransaction(enqueue *Enqueue) (*types.Transaction, error) {
 		blockNumber,
 		timestamp,
 		&origin,
-		types.SighashEIP155,
 		types.QueueOriginL1ToL2,
 		enqueue.Index,
 		enqueue.QueueIndex,
@@ -327,7 +325,6 @@ func batchedTransactionToTransaction(res *transaction, signer *types.EIP155Signe
 	} else {
 		return nil, fmt.Errorf("Unknown queue origin: %s", res.QueueOrigin)
 	}
-	sighashType := types.SighashEIP155
 	// Transactions that have been decoded are
 	// Queue Origin Sequencer transactions
 	if res.Decoded != nil {
@@ -352,7 +349,6 @@ func batchedTransactionToTransaction(res *transaction, signer *types.EIP155Signe
 			new(big.Int).SetUint64(res.BlockNumber),
 			res.Timestamp,
 			res.Origin,
-			sighashType,
 			queueOrigin,
 			&res.Index,
 			res.QueueIndex,
@@ -393,7 +389,6 @@ func batchedTransactionToTransaction(res *transaction, signer *types.EIP155Signe
 		new(big.Int).SetUint64(res.BlockNumber),
 		res.Timestamp,
 		origin,
-		sighashType,
 		queueOrigin,
 		&res.Index,
 		res.QueueIndex,

l2geth/rollup/sync_service_test.go

@@ -121,7 +121,6 @@ func TestSyncServiceTransactionEnqueued(t *testing.T) {
 		l1BlockNumber,
 		timestamp,
 		&l1TxOrigin,
-		types.SighashEIP155,
 		types.QueueOriginL1ToL2,
 		&index,
 		&queueIndex,
@@ -570,7 +569,6 @@ func TestSyncServiceSync(t *testing.T) {
 		l1BlockNumber,
 		timestamp,
 		&l1TxOrigin,
-		types.SighashEIP155,
 		types.QueueOriginL1ToL2,
 		&index,
 		&queueIndex,
@@ -622,7 +620,6 @@ func TestInitializeL1ContextPostGenesis(t *testing.T) {
 		l1BlockNumber,
 		timestamp,
 		&l1TxOrigin,
-		types.SighashEIP155,
 		types.QueueOriginL1ToL2,
 		&index,
 		&queueIndex,

l2geth/signer/core/types.go

@@ -80,7 +80,6 @@ type SendTxArgs struct {
 
 	L1MessageSender *common.MixedcaseAddress `json:"l1MessageSender"`
 	L1BlockNumber   *big.Int                 `json:"l1BlockNumber"`
-	SignatureHashType types.SignatureHashType  `json:"signatureHashType"`
 	QueueOrigin     types.QueueOrigin        `json:"queueOrigin"`
 }
 
@@ -111,7 +110,7 @@ func (args *SendTxArgs) toTransaction() *types.Transaction {
 	}
 
 	tx := types.NewTransaction(uint64(args.Nonce), args.To.Address(), (*big.Int)(&args.Value), (uint64)(args.Gas), (*big.Int)(&args.GasPrice), input)
-	txMeta := types.NewTransactionMeta(l1BlockNumber, 0, l1MessageSender, args.SignatureHashType, args.QueueOrigin, nil, nil, nil)
+	txMeta := types.NewTransactionMeta(l1BlockNumber, 0, l1MessageSender, args.QueueOrigin, nil, nil, nil)
 	tx.SetTransactionMeta(txMeta)
 	return tx
 }

l2geth/tests/state_test_util.go

@@ -279,7 +279,7 @@ func (tx *stTransaction) toMessage(ps stPostState) (core.Message, error) {
 		return nil, fmt.Errorf("invalid tx data %q", dataHex)
 	}
 
-	msg := types.NewMessage(from, to, tx.Nonce, value, gasLimit, tx.GasPrice, data, true, nil, nil, types.QueueOriginSequencer, 0)
+	msg := types.NewMessage(from, to, tx.Nonce, value, gasLimit, tx.GasPrice, data, true, nil, nil, types.QueueOriginSequencer)
 	return msg, nil
 }
 

packages/core-utils/src/l2context.ts

@@ -31,7 +31,6 @@ export const injectL2Context = (l1Provider: providers.JsonRpcProvider) => {
         )
       }
       b.transactions[i].l1TxOrigin = block.transactions[i].l1TxOrigin
-      b.transactions[i].txType = block.transactions[i].txType
       b.transactions[i].queueOrigin = block.transactions[i].queueOrigin
       b.transactions[i].rawTransaction = block.transactions[i].rawTransaction
     }