core/types, params: add blob transaction type, RLP encoded for now (#27049)

* core/types, params: add blob transaction type, RLP encoded for now

* all: integrate Cancun (and timestamp based forks) into MakeSigner

* core/types: fix 2 back-and-forth type refactors

* core: fix review comment

* core/types: swap blob tx type id to 0x03

core/bench_test.go

@@ -84,7 +84,7 @@ func genValueTx(nbytes int) func(int, *BlockGen) {
 		toaddr := common.Address{}
 		data := make([]byte, nbytes)
 		gas, _ := IntrinsicGas(data, nil, false, false, false, false)
-		signer := types.MakeSigner(gen.config, big.NewInt(int64(i)))
+		signer := types.MakeSigner(gen.config, big.NewInt(int64(i)), gen.header.Time)
 		gasPrice := big.NewInt(0)
 		if gen.header.BaseFee != nil {
 			gasPrice = gen.header.BaseFee
@@ -128,7 +128,7 @@ func genTxRing(naccounts int) func(int, *BlockGen) {
 		if gen.header.BaseFee != nil {
 			gasPrice = gen.header.BaseFee
 		}
-		signer := types.MakeSigner(gen.config, big.NewInt(int64(i)))
+		signer := types.MakeSigner(gen.config, big.NewInt(int64(i)), gen.header.Time)
 		for {
 			gas -= params.TxGas
 			if gas < params.TxGas {
@@ -317,7 +317,7 @@ func benchReadChain(b *testing.B, full bool, count uint64) {
 			if full {
 				hash := header.Hash()
 				rawdb.ReadBody(db, hash, n)
-				rawdb.ReadReceipts(db, hash, n, chain.Config())
+				rawdb.ReadReceipts(db, hash, n, header.Time, chain.Config())
 			}
 		}
 		chain.Stop()

core/blockchain.go

@@ -1540,7 +1540,7 @@ func (bc *BlockChain) insertChain(chain types.Blocks, verifySeals, setHead bool)
 	}
 
 	// Start a parallel signature recovery (signer will fluke on fork transition, minimal perf loss)
-	SenderCacher.RecoverFromBlocks(types.MakeSigner(bc.chainConfig, chain[0].Number()), chain)
+	SenderCacher.RecoverFromBlocks(types.MakeSigner(bc.chainConfig, chain[0].Number(), chain[0].Time()), chain)
 
 	var (
 		stats     = insertStats{startTime: mclock.Now()}
@@ -2049,7 +2049,7 @@ func (bc *BlockChain) recoverAncestors(block *types.Block) (common.Hash, error)
 // the processing of a block. These logs are later announced as deleted or reborn.
 func (bc *BlockChain) collectLogs(b *types.Block, removed bool) []*types.Log {
 	receipts := rawdb.ReadRawReceipts(bc.db, b.Hash(), b.NumberU64())
-	receipts.DeriveFields(bc.chainConfig, b.Hash(), b.NumberU64(), b.BaseFee(), b.Transactions())
+	receipts.DeriveFields(bc.chainConfig, b.Hash(), b.NumberU64(), b.Time(), b.BaseFee(), b.Transactions())
 
 	var logs []*types.Log
 	for _, receipt := range receipts {

core/blockchain_reader.go

@@ -217,7 +217,11 @@ func (bc *BlockChain) GetReceiptsByHash(hash common.Hash) types.Receipts {
 	if number == nil {
 		return nil
 	}
-	receipts := rawdb.ReadReceipts(bc.db, hash, *number, bc.chainConfig)
+	header := bc.GetHeader(hash, *number)
+	if header == nil {
+		return nil
+	}
+	receipts := rawdb.ReadReceipts(bc.db, hash, *number, header.Time, bc.chainConfig)
 	if receipts == nil {
 		return nil
 	}

core/blockchain_test.go

@@ -809,7 +809,7 @@ func TestFastVsFullChains(t *testing.T) {
 
 	// Iterate over all chain data components, and cross reference
 	for i := 0; i < len(blocks); i++ {
-		num, hash := blocks[i].NumberU64(), blocks[i].Hash()
+		num, hash, time := blocks[i].NumberU64(), blocks[i].Hash(), blocks[i].Time()
 
 		if ftd, atd := fast.GetTd(hash, num), archive.GetTd(hash, num); ftd.Cmp(atd) != 0 {
 			t.Errorf("block #%d [%x]: td mismatch: fastdb %v, archivedb %v", num, hash, ftd, atd)
@@ -832,9 +832,9 @@ func TestFastVsFullChains(t *testing.T) {
 		}
 
 		// Check receipts.
-		freceipts := rawdb.ReadReceipts(fastDb, hash, num, fast.Config())
-		anreceipts := rawdb.ReadReceipts(ancientDb, hash, num, fast.Config())
-		areceipts := rawdb.ReadReceipts(archiveDb, hash, num, fast.Config())
+		freceipts := rawdb.ReadReceipts(fastDb, hash, num, time, fast.Config())
+		anreceipts := rawdb.ReadReceipts(ancientDb, hash, num, time, fast.Config())
+		areceipts := rawdb.ReadReceipts(archiveDb, hash, num, time, fast.Config())
 		if types.DeriveSha(freceipts, trie.NewStackTrie(nil)) != types.DeriveSha(areceipts, trie.NewStackTrie(nil)) {
 			t.Errorf("block #%d [%x]: receipts mismatch: fastdb %v, ancientdb %v, archivedb %v", num, hash, freceipts, anreceipts, areceipts)
 		}

core/rawdb/accessors_chain.go

@@ -625,7 +625,7 @@ func ReadRawReceipts(db ethdb.Reader, hash common.Hash, number uint64) types.Rec
 // The current implementation populates these metadata fields by reading the receipts'
 // corresponding block body, so if the block body is not found it will return nil even
 // if the receipt itself is stored.
-func ReadReceipts(db ethdb.Reader, hash common.Hash, number uint64, config *params.ChainConfig) types.Receipts {
+func ReadReceipts(db ethdb.Reader, hash common.Hash, number uint64, time uint64, config *params.ChainConfig) types.Receipts {
 	// We're deriving many fields from the block body, retrieve beside the receipt
 	receipts := ReadRawReceipts(db, hash, number)
 	if receipts == nil {
@@ -643,7 +643,7 @@ func ReadReceipts(db ethdb.Reader, hash common.Hash, number uint64, config *para
 	} else {
 		baseFee = header.BaseFee
 	}
-	if err := receipts.DeriveFields(config, hash, number, baseFee, body.Transactions); err != nil {
+	if err := receipts.DeriveFields(config, hash, number, time, baseFee, body.Transactions); err != nil {
 		log.Error("Failed to derive block receipts fields", "hash", hash, "number", number, "err", err)
 		return nil
 	}

core/rawdb/accessors_chain_test.go

@@ -379,7 +379,7 @@ func TestBlockReceiptStorage(t *testing.T) {
 
 	// Check that no receipt entries are in a pristine database
 	hash := common.BytesToHash([]byte{0x03, 0x14})
-	if rs := ReadReceipts(db, hash, 0, params.TestChainConfig); len(rs) != 0 {
+	if rs := ReadReceipts(db, hash, 0, 0, params.TestChainConfig); len(rs) != 0 {
 		t.Fatalf("non existent receipts returned: %v", rs)
 	}
 	// Insert the body that corresponds to the receipts
@@ -387,7 +387,7 @@ func TestBlockReceiptStorage(t *testing.T) {
 
 	// Insert the receipt slice into the database and check presence
 	WriteReceipts(db, hash, 0, receipts)
-	if rs := ReadReceipts(db, hash, 0, params.TestChainConfig); len(rs) == 0 {
+	if rs := ReadReceipts(db, hash, 0, 0, params.TestChainConfig); len(rs) == 0 {
 		t.Fatalf("no receipts returned")
 	} else {
 		if err := checkReceiptsRLP(rs, receipts); err != nil {
@@ -396,7 +396,7 @@ func TestBlockReceiptStorage(t *testing.T) {
 	}
 	// Delete the body and ensure that the receipts are no longer returned (metadata can't be recomputed)
 	DeleteBody(db, hash, 0)
-	if rs := ReadReceipts(db, hash, 0, params.TestChainConfig); rs != nil {
+	if rs := ReadReceipts(db, hash, 0, 0, params.TestChainConfig); rs != nil {
 		t.Fatalf("receipts returned when body was deleted: %v", rs)
 	}
 	// Ensure that receipts without metadata can be returned without the block body too
@@ -407,7 +407,7 @@ func TestBlockReceiptStorage(t *testing.T) {
 	WriteBody(db, hash, 0, body)
 
 	DeleteReceipts(db, hash, 0)
-	if rs := ReadReceipts(db, hash, 0, params.TestChainConfig); len(rs) != 0 {
+	if rs := ReadReceipts(db, hash, 0, 0, params.TestChainConfig); len(rs) != 0 {
 		t.Fatalf("deleted receipts returned: %v", rs)
 	}
 }
@@ -727,7 +727,7 @@ func TestReadLogs(t *testing.T) {
 
 	hash := common.BytesToHash([]byte{0x03, 0x14})
 	// Check that no receipt entries are in a pristine database
-	if rs := ReadReceipts(db, hash, 0, params.TestChainConfig); len(rs) != 0 {
+	if rs := ReadReceipts(db, hash, 0, 0, params.TestChainConfig); len(rs) != 0 {
 		t.Fatalf("non existent receipts returned: %v", rs)
 	}
 	// Insert the body that corresponds to the receipts

core/rawdb/accessors_indexes.go

@@ -130,8 +130,12 @@ func ReadReceipt(db ethdb.Reader, hash common.Hash, config *params.ChainConfig)
 	if blockHash == (common.Hash{}) {
 		return nil, common.Hash{}, 0, 0
 	}
+	blockHeader := ReadHeader(db, blockHash, *blockNumber)
+	if blockHeader == nil {
+		return nil, common.Hash{}, 0, 0
+	}
 	// Read all the receipts from the block and return the one with the matching hash
-	receipts := ReadReceipts(db, blockHash, *blockNumber, config)
+	receipts := ReadReceipts(db, blockHash, *blockNumber, blockHeader.Time, config)
 	for receiptIndex, receipt := range receipts {
 		if receipt.TxHash == hash {
 			return receipt, blockHash, *blockNumber, uint64(receiptIndex)

core/state_prefetcher.go

@@ -53,7 +53,7 @@ func (p *statePrefetcher) Prefetch(block *types.Block, statedb *state.StateDB, c
 		gaspool      = new(GasPool).AddGas(block.GasLimit())
 		blockContext = NewEVMBlockContext(header, p.bc, nil)
 		evm          = vm.NewEVM(blockContext, vm.TxContext{}, statedb, p.config, cfg)
-		signer       = types.MakeSigner(p.config, header.Number)
+		signer       = types.MakeSigner(p.config, header.Number, header.Time)
 	)
 	// Iterate over and process the individual transactions
 	byzantium := p.config.IsByzantium(block.Number())

core/state_processor.go

@@ -70,11 +70,14 @@ func (p *StateProcessor) Process(block *types.Block, statedb *state.StateDB, cfg
 	if p.config.DAOForkSupport && p.config.DAOForkBlock != nil && p.config.DAOForkBlock.Cmp(block.Number()) == 0 {
 		misc.ApplyDAOHardFork(statedb)
 	}
-	blockContext := NewEVMBlockContext(header, p.bc, nil)
-	vmenv := vm.NewEVM(blockContext, vm.TxContext{}, statedb, p.config, cfg)
+	var (
+		context = NewEVMBlockContext(header, p.bc, nil)
+		vmenv   = vm.NewEVM(context, vm.TxContext{}, statedb, p.config, cfg)
+		signer  = types.MakeSigner(p.config, header.Number, header.Time)
+	)
 	// Iterate over and process the individual transactions
 	for i, tx := range block.Transactions() {
-		msg, err := TransactionToMessage(tx, types.MakeSigner(p.config, header.Number), header.BaseFee)
+		msg, err := TransactionToMessage(tx, signer, header.BaseFee)
 		if err != nil {
 			return nil, nil, 0, fmt.Errorf("could not apply tx %d [%v]: %w", i, tx.Hash().Hex(), err)
 		}
@@ -147,7 +150,7 @@ func applyTransaction(msg *Message, config *params.ChainConfig, gp *GasPool, sta
 // for the transaction, gas used and an error if the transaction failed,
 // indicating the block was invalid.
 func ApplyTransaction(config *params.ChainConfig, bc ChainContext, author *common.Address, gp *GasPool, statedb *state.StateDB, header *types.Header, tx *types.Transaction, usedGas *uint64, cfg vm.Config) (*types.Receipt, error) {
-	msg, err := TransactionToMessage(tx, types.MakeSigner(config, header.Number), header.BaseFee)
+	msg, err := TransactionToMessage(tx, types.MakeSigner(config, header.Number, header.Time), header.BaseFee)
 	if err != nil {
 		return nil, err
 	}

core/txpool/txpool.go

@@ -606,6 +606,10 @@ func (pool *TxPool) validateTxBasics(tx *types.Transaction, local bool) error {
 	if !pool.eip1559.Load() && tx.Type() == types.DynamicFeeTxType {
 		return core.ErrTxTypeNotSupported
 	}
+	// Reject blob transactions forever, those will have their own pool.
+	if tx.Type() == types.BlobTxType {
+		return core.ErrTxTypeNotSupported
+	}
 	// Reject transactions over defined size to prevent DOS attacks
 	if tx.Size() > txMaxSize {
 		return ErrOversizedData

core/types/receipt.go

@@ -313,8 +313,8 @@ func (rs Receipts) EncodeIndex(i int, w *bytes.Buffer) {
 
 // DeriveFields fills the receipts with their computed fields based on consensus
 // data and contextual infos like containing block and transactions.
-func (rs Receipts) DeriveFields(config *params.ChainConfig, hash common.Hash, number uint64, baseFee *big.Int, txs []*Transaction) error {
-	signer := MakeSigner(config, new(big.Int).SetUint64(number))
+func (rs Receipts) DeriveFields(config *params.ChainConfig, hash common.Hash, number uint64, time uint64, baseFee *big.Int, txs []*Transaction) error {
+	signer := MakeSigner(config, new(big.Int).SetUint64(number), time)
 
 	logIndex := uint(0)
 	if len(txs) != len(rs) {

core/types/receipt_test.go

@@ -27,6 +27,7 @@ import (
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/params"
 	"github.com/ethereum/go-ethereum/rlp"
+	"github.com/holiman/uint256"
 	"github.com/kylelemons/godebug/diff"
 )
 
@@ -99,6 +100,8 @@ func TestDeriveFields(t *testing.T) {
 	to3 := common.HexToAddress("0x3")
 	to4 := common.HexToAddress("0x4")
 	to5 := common.HexToAddress("0x5")
+	to6 := common.HexToAddress("0x6")
+	to7 := common.HexToAddress("0x7")
 	txs := Transactions{
 		NewTx(&LegacyTx{
 			Nonce:    1,
@@ -127,19 +130,39 @@ func TestDeriveFields(t *testing.T) {
 			Value:     big.NewInt(4),
 			Gas:       4,
 			GasTipCap: big.NewInt(44),
-			GasFeeCap: big.NewInt(1045),
+			GasFeeCap: big.NewInt(1044),
 		}),
 		NewTx(&DynamicFeeTx{
 			To:        &to5,
 			Nonce:     5,
 			Value:     big.NewInt(5),
 			Gas:       5,
-			GasTipCap: big.NewInt(56),
+			GasTipCap: big.NewInt(55),
 			GasFeeCap: big.NewInt(1055),
 		}),
+		// EIP-4844 transactions.
+		NewTx(&BlobTx{
+			To:         &to6,
+			Nonce:      6,
+			Value:      uint256.NewInt(6),
+			Gas:        6,
+			GasTipCap:  uint256.NewInt(66),
+			GasFeeCap:  uint256.NewInt(1066),
+			BlobFeeCap: uint256.NewInt(100066),
+		}),
+		NewTx(&BlobTx{
+			To:         &to7,
+			Nonce:      7,
+			Value:      uint256.NewInt(7),
+			Gas:        7,
+			GasTipCap:  uint256.NewInt(77),
+			GasFeeCap:  uint256.NewInt(1077),
+			BlobFeeCap: uint256.NewInt(100077),
+		}),
 	}
 
 	blockNumber := big.NewInt(1)
+	blockTime := uint64(2)
 	blockHash := common.BytesToHash([]byte{0x03, 0x14})
 
 	// Create the corresponding receipts
@@ -246,12 +269,38 @@ func TestDeriveFields(t *testing.T) {
 			BlockNumber:       blockNumber,
 			TransactionIndex:  4,
 		},
+		&Receipt{
+			Type:              BlobTxType,
+			PostState:         common.Hash{6}.Bytes(),
+			CumulativeGasUsed: 21,
+			Logs:              []*Log{},
+			// derived fields:
+			TxHash:            txs[5].Hash(),
+			GasUsed:           6,
+			EffectiveGasPrice: big.NewInt(1066),
+			BlockHash:         blockHash,
+			BlockNumber:       blockNumber,
+			TransactionIndex:  5,
+		},
+		&Receipt{
+			Type:              BlobTxType,
+			PostState:         common.Hash{7}.Bytes(),
+			CumulativeGasUsed: 28,
+			Logs:              []*Log{},
+			// derived fields:
+			TxHash:            txs[6].Hash(),
+			GasUsed:           7,
+			EffectiveGasPrice: big.NewInt(1077),
+			BlockHash:         blockHash,
+			BlockNumber:       blockNumber,
+			TransactionIndex:  6,
+		},
 	}
 
 	// Re-derive receipts.
 	basefee := big.NewInt(1000)
 	derivedReceipts := clearComputedFieldsOnReceipts(receipts)
-	err := Receipts(derivedReceipts).DeriveFields(params.TestChainConfig, blockHash, blockNumber.Uint64(), basefee, txs)
+	err := Receipts(derivedReceipts).DeriveFields(params.TestChainConfig, blockHash, blockNumber.Uint64(), blockTime, basefee, txs)
 	if err != nil {
 		t.Fatalf("DeriveFields(...) = %v, want <nil>", err)
 	}

core/types/transaction.go

@@ -42,9 +42,10 @@ var (
 
 // Transaction types.
 const (
-	LegacyTxType = iota
-	AccessListTxType
-	DynamicFeeTxType
+	LegacyTxType     = 0x00
+	AccessListTxType = 0x01
+	DynamicFeeTxType = 0x02
+	BlobTxType       = 0x03
 )
 
 // Transaction is an Ethereum transaction.
@@ -82,6 +83,9 @@ type TxData interface {
 	value() *big.Int
 	nonce() uint64
 	to() *common.Address
+	blobGas() uint64
+	blobGasFeeCap() *big.Int
+	blobHashes() []common.Hash
 
 	rawSignatureValues() (v, r, s *big.Int)
 	setSignatureValues(chainID, v, r, s *big.Int)
@@ -192,6 +196,10 @@ func (tx *Transaction) decodeTyped(b []byte) (TxData, error) {
 		var inner DynamicFeeTx
 		err := rlp.DecodeBytes(b[1:], &inner)
 		return &inner, err
+	case BlobTxType:
+		var inner BlobTx
+		err := rlp.DecodeBytes(b[1:], &inner) // TODO(karalabe): This needs to be ssz
+		return &inner, err
 	default:
 		return nil, ErrTxTypeNotSupported
 	}
@@ -281,6 +289,15 @@ func (tx *Transaction) GasTipCap() *big.Int { return new(big.Int).Set(tx.inner.g
 // GasFeeCap returns the fee cap per gas of the transaction.
 func (tx *Transaction) GasFeeCap() *big.Int { return new(big.Int).Set(tx.inner.gasFeeCap()) }
 
+// BlobGas returns the data gas limit of the transaction for blob transactions, 0 otherwise.
+func (tx *Transaction) BlobGas() uint64 { return tx.inner.blobGas() }
+
+// BlobGasFeeCap returns the data gas fee cap per data gas of the transaction for blob transactions, nil otherwise.
+func (tx *Transaction) BlobGasFeeCap() *big.Int { return tx.inner.blobGasFeeCap() }
+
+// BlobHashes returns the hases of the blob commitments for blob transactions, nil otherwise.
+func (tx *Transaction) BlobHashes() []common.Hash { return tx.inner.blobHashes() }
+
 // Value returns the ether amount of the transaction.
 func (tx *Transaction) Value() *big.Int { return new(big.Int).Set(tx.inner.value()) }
 
@@ -293,9 +310,12 @@ func (tx *Transaction) To() *common.Address {
 	return copyAddressPtr(tx.inner.to())
 }
 
-// Cost returns gas * gasPrice + value.
+// Cost returns (gas * gasPrice) + (blobGas * blobGasPrice) + value.
 func (tx *Transaction) Cost() *big.Int {
 	total := new(big.Int).Mul(tx.GasPrice(), new(big.Int).SetUint64(tx.Gas()))
+	if tx.Type() == BlobTxType {
+		total.Add(total, new(big.Int).Mul(tx.BlobGasFeeCap(), new(big.Int).SetUint64(tx.BlobGas())))
+	}
 	total.Add(total, tx.Value())
 	return total
 }
@@ -364,6 +384,16 @@ func (tx *Transaction) EffectiveGasTipIntCmp(other *big.Int, baseFee *big.Int) i
 	return tx.EffectiveGasTipValue(baseFee).Cmp(other)
 }
 
+// BlobGasFeeCapCmp compares the blob fee cap of two transactions.
+func (tx *Transaction) BlobGasFeeCapCmp(other *Transaction) int {
+	return tx.inner.blobGasFeeCap().Cmp(other.inner.blobGasFeeCap())
+}
+
+// BlobGasFeeCapIntCmp compares the blob fee cap of the transaction against the given blob fee cap.
+func (tx *Transaction) BlobGasFeeCapIntCmp(other *big.Int) int {
+	return tx.inner.blobGasFeeCap().Cmp(other)
+}
+
 // Hash returns the transaction hash.
 func (tx *Transaction) Hash() common.Hash {
 	if hash := tx.hash.Load(); hash != nil {
@@ -387,7 +417,11 @@ func (tx *Transaction) Size() uint64 {
 		return size.(uint64)
 	}
 	c := writeCounter(0)
-	rlp.Encode(&c, &tx.inner)
+	if tx.Type() == BlobTxType {
+		rlp.Encode(&c, &tx.inner) // TODO(karalabe): Replace with SSZ encoding
+	} else {
+		rlp.Encode(&c, &tx.inner)
+	}
 
 	size := uint64(c)
 	if tx.Type() != LegacyTxType {

core/types/transaction_signing.go

@@ -37,9 +37,11 @@ type sigCache struct {
 }
 
 // MakeSigner returns a Signer based on the given chain config and block number.
-func MakeSigner(config *params.ChainConfig, blockNumber *big.Int) Signer {
+func MakeSigner(config *params.ChainConfig, blockNumber *big.Int, blockTime uint64) Signer {
 	var signer Signer
 	switch {
+	case config.IsCancun(blockTime):
+		signer = NewCancunSigner(config.ChainID)
 	case config.IsLondon(blockNumber):
 		signer = NewLondonSigner(config.ChainID)
 	case config.IsBerlin(blockNumber):
@@ -63,6 +65,9 @@ func MakeSigner(config *params.ChainConfig, blockNumber *big.Int) Signer {
 // have the current block number available, use MakeSigner instead.
 func LatestSigner(config *params.ChainConfig) Signer {
 	if config.ChainID != nil {
+		if config.CancunTime != nil {
+			return NewCancunSigner(config.ChainID)
+		}
 		if config.LondonBlock != nil {
 			return NewLondonSigner(config.ChainID)
 		}
@@ -87,7 +92,7 @@ func LatestSignerForChainID(chainID *big.Int) Signer {
 	if chainID == nil {
 		return HomesteadSigner{}
 	}
-	return NewLondonSigner(chainID)
+	return NewCancunSigner(chainID)
 }
 
 // SignTx signs the transaction using the given signer and private key.
@@ -170,6 +175,75 @@ type Signer interface {
 	Equal(Signer) bool
 }
 
+type cancunSigner struct{ londonSigner }
+
+// NewCancunSigner returns a signer that accepts
+// - EIP-4844 blob transactions
+// - EIP-1559 dynamic fee transactions
+// - EIP-2930 access list transactions,
+// - EIP-155 replay protected transactions, and
+// - legacy Homestead transactions.
+func NewCancunSigner(chainId *big.Int) Signer {
+	return cancunSigner{londonSigner{eip2930Signer{NewEIP155Signer(chainId)}}}
+}
+
+func (s cancunSigner) Sender(tx *Transaction) (common.Address, error) {
+	if tx.Type() != BlobTxType {
+		return s.londonSigner.Sender(tx)
+	}
+	V, R, S := tx.RawSignatureValues()
+	// Blob txs are defined to use 0 and 1 as their recovery
+	// id, add 27 to become equivalent to unprotected Homestead signatures.
+	V = new(big.Int).Add(V, big.NewInt(27))
+	if tx.ChainId().Cmp(s.chainId) != 0 {
+		return common.Address{}, fmt.Errorf("%w: have %d want %d", ErrInvalidChainId, tx.ChainId(), s.chainId)
+	}
+	return recoverPlain(s.Hash(tx), R, S, V, true)
+}
+
+func (s cancunSigner) Equal(s2 Signer) bool {
+	x, ok := s2.(cancunSigner)
+	return ok && x.chainId.Cmp(s.chainId) == 0
+}
+
+func (s cancunSigner) SignatureValues(tx *Transaction, sig []byte) (R, S, V *big.Int, err error) {
+	txdata, ok := tx.inner.(*BlobTx)
+	if !ok {
+		return s.londonSigner.SignatureValues(tx, sig)
+	}
+	// Check that chain ID of tx matches the signer. We also accept ID zero here,
+	// because it indicates that the chain ID was not specified in the tx.
+	if txdata.ChainID.Sign() != 0 && txdata.ChainID.ToBig().Cmp(s.chainId) != 0 {
+		return nil, nil, nil, fmt.Errorf("%w: have %d want %d", ErrInvalidChainId, txdata.ChainID, s.chainId)
+	}
+	R, S, _ = decodeSignature(sig)
+	V = big.NewInt(int64(sig[64]))
+	return R, S, V, nil
+}
+
+// Hash returns the hash to be signed by the sender.
+// It does not uniquely identify the transaction.
+func (s cancunSigner) Hash(tx *Transaction) common.Hash {
+	if tx.Type() != BlobTxType {
+		return s.londonSigner.Hash(tx)
+	}
+	return prefixedRlpHash(
+		tx.Type(),
+		[]interface{}{
+			s.chainId,
+			tx.Nonce(),
+			tx.GasTipCap(),
+			tx.GasFeeCap(),
+			tx.Gas(),
+			tx.To(),
+			tx.Value(),
+			tx.Data(),
+			tx.AccessList(),
+			tx.BlobGasFeeCap(),
+			tx.BlobHashes(),
+		})
+}
+
 type londonSigner struct{ eip2930Signer }
 
 // NewLondonSigner returns a signer that accepts

core/types/tx_access_list.go

@@ -94,17 +94,20 @@ func (tx *AccessListTx) copy() TxData {
 }
 
 // accessors for innerTx.
-func (tx *AccessListTx) txType() byte           { return AccessListTxType }
-func (tx *AccessListTx) chainID() *big.Int      { return tx.ChainID }
-func (tx *AccessListTx) accessList() AccessList { return tx.AccessList }
-func (tx *AccessListTx) data() []byte           { return tx.Data }
-func (tx *AccessListTx) gas() uint64            { return tx.Gas }
-func (tx *AccessListTx) gasPrice() *big.Int     { return tx.GasPrice }
-func (tx *AccessListTx) gasTipCap() *big.Int    { return tx.GasPrice }
-func (tx *AccessListTx) gasFeeCap() *big.Int    { return tx.GasPrice }
-func (tx *AccessListTx) value() *big.Int        { return tx.Value }
-func (tx *AccessListTx) nonce() uint64          { return tx.Nonce }
-func (tx *AccessListTx) to() *common.Address    { return tx.To }
+func (tx *AccessListTx) txType() byte              { return AccessListTxType }
+func (tx *AccessListTx) chainID() *big.Int         { return tx.ChainID }
+func (tx *AccessListTx) accessList() AccessList    { return tx.AccessList }
+func (tx *AccessListTx) data() []byte              { return tx.Data }
+func (tx *AccessListTx) gas() uint64               { return tx.Gas }
+func (tx *AccessListTx) gasPrice() *big.Int        { return tx.GasPrice }
+func (tx *AccessListTx) gasTipCap() *big.Int       { return tx.GasPrice }
+func (tx *AccessListTx) gasFeeCap() *big.Int       { return tx.GasPrice }
+func (tx *AccessListTx) value() *big.Int           { return tx.Value }
+func (tx *AccessListTx) nonce() uint64             { return tx.Nonce }
+func (tx *AccessListTx) to() *common.Address       { return tx.To }
+func (tx *AccessListTx) blobGas() uint64           { return 0 }
+func (tx *AccessListTx) blobGasFeeCap() *big.Int   { return nil }
+func (tx *AccessListTx) blobHashes() []common.Hash { return nil }
 
 func (tx *AccessListTx) effectiveGasPrice(dst *big.Int, baseFee *big.Int) *big.Int {
 	return dst.Set(tx.GasPrice)

core/types/tx_blob.go

@@ -0,0 +1,132 @@
+// Copyright 2023 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package types
+
+import (
+	"math/big"
+
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/params"
+	"github.com/holiman/uint256"
+)
+
+// BlobTx represents an EIP-4844 transaction.
+type BlobTx struct {
+	ChainID    *uint256.Int
+	Nonce      uint64
+	GasTipCap  *uint256.Int // a.k.a. maxPriorityFeePerGas
+	GasFeeCap  *uint256.Int // a.k.a. maxFeePerGas
+	Gas        uint64
+	To         *common.Address // `rlp:"nil"` // nil means contract creation
+	Value      *uint256.Int
+	Data       []byte
+	AccessList AccessList
+	BlobFeeCap *uint256.Int // a.k.a. maxFeePerDataGas
+	BlobHashes []common.Hash
+
+	// Signature values
+	V *uint256.Int `json:"v" gencodec:"required"`
+	R *uint256.Int `json:"r" gencodec:"required"`
+	S *uint256.Int `json:"s" gencodec:"required"`
+}
+
+// copy creates a deep copy of the transaction data and initializes all fields.
+func (tx *BlobTx) copy() TxData {
+	cpy := &BlobTx{
+		Nonce: tx.Nonce,
+		To:    copyAddressPtr(tx.To),
+		Data:  common.CopyBytes(tx.Data),
+		Gas:   tx.Gas,
+		// These are copied below.
+		AccessList: make(AccessList, len(tx.AccessList)),
+		BlobHashes: make([]common.Hash, len(tx.BlobHashes)),
+		Value:      new(uint256.Int),
+		ChainID:    new(uint256.Int),
+		GasTipCap:  new(uint256.Int),
+		GasFeeCap:  new(uint256.Int),
+		BlobFeeCap: new(uint256.Int),
+		V:          new(uint256.Int),
+		R:          new(uint256.Int),
+		S:          new(uint256.Int),
+	}
+	copy(cpy.AccessList, tx.AccessList)
+	copy(cpy.BlobHashes, tx.BlobHashes)
+
+	if tx.Value != nil {
+		cpy.Value.Set(tx.Value)
+	}
+	if tx.ChainID != nil {
+		cpy.ChainID.Set(tx.ChainID)
+	}
+	if tx.GasTipCap != nil {
+		cpy.GasTipCap.Set(tx.GasTipCap)
+	}
+	if tx.GasFeeCap != nil {
+		cpy.GasFeeCap.Set(tx.GasFeeCap)
+	}
+	if tx.BlobFeeCap != nil {
+		cpy.BlobFeeCap.Set(tx.BlobFeeCap)
+	}
+	if tx.V != nil {
+		cpy.V.Set(tx.V)
+	}
+	if tx.R != nil {
+		cpy.R.Set(tx.R)
+	}
+	if tx.S != nil {
+		cpy.S.Set(tx.S)
+	}
+	return cpy
+}
+
+// accessors for innerTx.
+func (tx *BlobTx) txType() byte              { return BlobTxType }
+func (tx *BlobTx) chainID() *big.Int         { return tx.ChainID.ToBig() }
+func (tx *BlobTx) accessList() AccessList    { return tx.AccessList }
+func (tx *BlobTx) data() []byte              { return tx.Data }
+func (tx *BlobTx) gas() uint64               { return tx.Gas }
+func (tx *BlobTx) gasFeeCap() *big.Int       { return tx.GasFeeCap.ToBig() }
+func (tx *BlobTx) gasTipCap() *big.Int       { return tx.GasTipCap.ToBig() }
+func (tx *BlobTx) gasPrice() *big.Int        { return tx.GasFeeCap.ToBig() }
+func (tx *BlobTx) value() *big.Int           { return tx.Value.ToBig() }
+func (tx *BlobTx) nonce() uint64             { return tx.Nonce }
+func (tx *BlobTx) to() *common.Address       { return tx.To }
+func (tx *BlobTx) blobGas() uint64           { return params.BlobTxDataGasPerBlob * uint64(len(tx.BlobHashes)) }
+func (tx *BlobTx) blobGasFeeCap() *big.Int   { return tx.BlobFeeCap.ToBig() }
+func (tx *BlobTx) blobHashes() []common.Hash { return tx.BlobHashes }
+
+func (tx *BlobTx) effectiveGasPrice(dst *big.Int, baseFee *big.Int) *big.Int {
+	if baseFee == nil {
+		return dst.Set(tx.GasFeeCap.ToBig())
+	}
+	tip := dst.Sub(tx.GasFeeCap.ToBig(), baseFee)
+	if tip.Cmp(tx.GasTipCap.ToBig()) > 0 {
+		tip.Set(tx.GasTipCap.ToBig())
+	}
+	return tip.Add(tip, baseFee)
+}
+
+func (tx *BlobTx) rawSignatureValues() (v, r, s *big.Int) {
+	return tx.V.ToBig(), tx.R.ToBig(), tx.S.ToBig()
+}
+
+func (tx *BlobTx) setSignatureValues(chainID, v, r, s *big.Int) {
+	tx.ChainID.SetFromBig(chainID)
+	tx.V.SetFromBig(v)
+	tx.R.SetFromBig(r)
+	tx.S.SetFromBig(s)
+}

core/types/tx_dynamic_fee.go

@@ -22,6 +22,7 @@ import (
 	"github.com/ethereum/go-ethereum/common"
 )
 
+// DynamicFeeTx represents an EIP-1559 transaction.
 type DynamicFeeTx struct {
 	ChainID    *big.Int
 	Nonce      uint64
@@ -82,17 +83,20 @@ func (tx *DynamicFeeTx) copy() TxData {
 }
 
 // accessors for innerTx.
-func (tx *DynamicFeeTx) txType() byte           { return DynamicFeeTxType }
-func (tx *DynamicFeeTx) chainID() *big.Int      { return tx.ChainID }
-func (tx *DynamicFeeTx) accessList() AccessList { return tx.AccessList }
-func (tx *DynamicFeeTx) data() []byte           { return tx.Data }
-func (tx *DynamicFeeTx) gas() uint64            { return tx.Gas }
-func (tx *DynamicFeeTx) gasFeeCap() *big.Int    { return tx.GasFeeCap }
-func (tx *DynamicFeeTx) gasTipCap() *big.Int    { return tx.GasTipCap }
-func (tx *DynamicFeeTx) gasPrice() *big.Int     { return tx.GasFeeCap }
-func (tx *DynamicFeeTx) value() *big.Int        { return tx.Value }
-func (tx *DynamicFeeTx) nonce() uint64          { return tx.Nonce }
-func (tx *DynamicFeeTx) to() *common.Address    { return tx.To }
+func (tx *DynamicFeeTx) txType() byte              { return DynamicFeeTxType }
+func (tx *DynamicFeeTx) chainID() *big.Int         { return tx.ChainID }
+func (tx *DynamicFeeTx) accessList() AccessList    { return tx.AccessList }
+func (tx *DynamicFeeTx) data() []byte              { return tx.Data }
+func (tx *DynamicFeeTx) gas() uint64               { return tx.Gas }
+func (tx *DynamicFeeTx) gasFeeCap() *big.Int       { return tx.GasFeeCap }
+func (tx *DynamicFeeTx) gasTipCap() *big.Int       { return tx.GasTipCap }
+func (tx *DynamicFeeTx) gasPrice() *big.Int        { return tx.GasFeeCap }
+func (tx *DynamicFeeTx) value() *big.Int           { return tx.Value }
+func (tx *DynamicFeeTx) nonce() uint64             { return tx.Nonce }
+func (tx *DynamicFeeTx) to() *common.Address       { return tx.To }
+func (tx *DynamicFeeTx) blobGas() uint64           { return 0 }
+func (tx *DynamicFeeTx) blobGasFeeCap() *big.Int   { return nil }
+func (tx *DynamicFeeTx) blobHashes() []common.Hash { return nil }
 
 func (tx *DynamicFeeTx) effectiveGasPrice(dst *big.Int, baseFee *big.Int) *big.Int {
 	if baseFee == nil {

core/types/tx_legacy.go

@@ -22,7 +22,7 @@ import (
 	"github.com/ethereum/go-ethereum/common"
 )
 
-// LegacyTx is the transaction data of regular Ethereum transactions.
+// LegacyTx is the transaction data of the original Ethereum transactions.
 type LegacyTx struct {
 	Nonce    uint64          // nonce of sender account
 	GasPrice *big.Int        // wei per gas
@@ -91,17 +91,20 @@ func (tx *LegacyTx) copy() TxData {
 }
 
 // accessors for innerTx.
-func (tx *LegacyTx) txType() byte           { return LegacyTxType }
-func (tx *LegacyTx) chainID() *big.Int      { return deriveChainId(tx.V) }
-func (tx *LegacyTx) accessList() AccessList { return nil }
-func (tx *LegacyTx) data() []byte           { return tx.Data }
-func (tx *LegacyTx) gas() uint64            { return tx.Gas }
-func (tx *LegacyTx) gasPrice() *big.Int     { return tx.GasPrice }
-func (tx *LegacyTx) gasTipCap() *big.Int    { return tx.GasPrice }
-func (tx *LegacyTx) gasFeeCap() *big.Int    { return tx.GasPrice }
-func (tx *LegacyTx) value() *big.Int        { return tx.Value }
-func (tx *LegacyTx) nonce() uint64          { return tx.Nonce }
-func (tx *LegacyTx) to() *common.Address    { return tx.To }
+func (tx *LegacyTx) txType() byte              { return LegacyTxType }
+func (tx *LegacyTx) chainID() *big.Int         { return deriveChainId(tx.V) }
+func (tx *LegacyTx) accessList() AccessList    { return nil }
+func (tx *LegacyTx) data() []byte              { return tx.Data }
+func (tx *LegacyTx) gas() uint64               { return tx.Gas }
+func (tx *LegacyTx) gasPrice() *big.Int        { return tx.GasPrice }
+func (tx *LegacyTx) gasTipCap() *big.Int       { return tx.GasPrice }
+func (tx *LegacyTx) gasFeeCap() *big.Int       { return tx.GasPrice }
+func (tx *LegacyTx) value() *big.Int           { return tx.Value }
+func (tx *LegacyTx) nonce() uint64             { return tx.Nonce }
+func (tx *LegacyTx) to() *common.Address       { return tx.To }
+func (tx *LegacyTx) blobGas() uint64           { return 0 }
+func (tx *LegacyTx) blobGasFeeCap() *big.Int   { return nil }
+func (tx *LegacyTx) blobHashes() []common.Hash { return nil }
 
 func (tx *LegacyTx) effectiveGasPrice(dst *big.Int, baseFee *big.Int) *big.Int {
 	return dst.Set(tx.GasPrice)