core/types: un-ssz blob txs, add json marshalling and tweaks (#27256)

core/types/transaction.go

@@ -198,7 +198,7 @@ func (tx *Transaction) decodeTyped(b []byte) (TxData, error) {
 		return &inner, err
 	case BlobTxType:
 		var inner BlobTx
-		err := rlp.DecodeBytes(b[1:], &inner) // TODO(karalabe): This needs to be ssz
+		err := rlp.DecodeBytes(b[1:], &inner)
 		return &inner, err
 	default:
 		return nil, ErrTxTypeNotSupported
@@ -417,11 +417,7 @@ func (tx *Transaction) Size() uint64 {
 		return size.(uint64)
 	}
 	c := writeCounter(0)
-	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_marshalling.go

@@ -23,28 +23,28 @@ import (
 
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/common/hexutil"
+	"github.com/holiman/uint256"
 )
 
 // txJSON is the JSON representation of transactions.
 type txJSON struct {
 	Type hexutil.Uint64 `json:"type"`
 
-	// Common transaction fields:
+	ChainID              *hexutil.Big    `json:"chainId,omitempty"`
 	Nonce                *hexutil.Uint64 `json:"nonce"`
+	To                   *common.Address `json:"to"`
+	Gas                  *hexutil.Uint64 `json:"gas"`
 	GasPrice             *hexutil.Big    `json:"gasPrice"`
 	MaxPriorityFeePerGas *hexutil.Big    `json:"maxPriorityFeePerGas"`
 	MaxFeePerGas         *hexutil.Big    `json:"maxFeePerGas"`
-	Gas                  *hexutil.Uint64 `json:"gas"`
+	MaxFeePerDataGas     *hexutil.Big    `json:"maxFeePerDataGas,omitempty"`
 	Value                *hexutil.Big    `json:"value"`
-	Data                 *hexutil.Bytes  `json:"input"`
+	Input                *hexutil.Bytes  `json:"input"`
+	AccessList           *AccessList     `json:"accessList,omitempty"`
+	BlobVersionedHashes  []common.Hash   `json:"blobVersionedHashes,omitempty"`
 	V                    *hexutil.Big    `json:"v"`
 	R                    *hexutil.Big    `json:"r"`
 	S                    *hexutil.Big    `json:"s"`
-	To                   *common.Address `json:"to"`
-
-	// Access list transaction fields:
-	ChainID    *hexutil.Big `json:"chainId,omitempty"`
-	AccessList *AccessList  `json:"accessList,omitempty"`
 
 	// Only used for encoding:
 	Hash common.Hash `json:"hash"`
@@ -61,39 +61,57 @@ func (tx *Transaction) MarshalJSON() ([]byte, error) {
 	switch itx := tx.inner.(type) {
 	case *LegacyTx:
 		enc.Nonce = (*hexutil.Uint64)(&itx.Nonce)
+		enc.To = tx.To()
 		enc.Gas = (*hexutil.Uint64)(&itx.Gas)
 		enc.GasPrice = (*hexutil.Big)(itx.GasPrice)
 		enc.Value = (*hexutil.Big)(itx.Value)
-		enc.Data = (*hexutil.Bytes)(&itx.Data)
+		enc.Input = (*hexutil.Bytes)(&itx.Data)
-		enc.To = tx.To()
 		enc.V = (*hexutil.Big)(itx.V)
 		enc.R = (*hexutil.Big)(itx.R)
 		enc.S = (*hexutil.Big)(itx.S)
+
 	case *AccessListTx:
 		enc.ChainID = (*hexutil.Big)(itx.ChainID)
-		enc.AccessList = &itx.AccessList
 		enc.Nonce = (*hexutil.Uint64)(&itx.Nonce)
+		enc.To = tx.To()
 		enc.Gas = (*hexutil.Uint64)(&itx.Gas)
 		enc.GasPrice = (*hexutil.Big)(itx.GasPrice)
 		enc.Value = (*hexutil.Big)(itx.Value)
-		enc.Data = (*hexutil.Bytes)(&itx.Data)
+		enc.Input = (*hexutil.Bytes)(&itx.Data)
-		enc.To = tx.To()
+		enc.AccessList = &itx.AccessList
 		enc.V = (*hexutil.Big)(itx.V)
 		enc.R = (*hexutil.Big)(itx.R)
 		enc.S = (*hexutil.Big)(itx.S)
+
 	case *DynamicFeeTx:
 		enc.ChainID = (*hexutil.Big)(itx.ChainID)
-		enc.AccessList = &itx.AccessList
 		enc.Nonce = (*hexutil.Uint64)(&itx.Nonce)
+		enc.To = tx.To()
 		enc.Gas = (*hexutil.Uint64)(&itx.Gas)
 		enc.MaxFeePerGas = (*hexutil.Big)(itx.GasFeeCap)
 		enc.MaxPriorityFeePerGas = (*hexutil.Big)(itx.GasTipCap)
 		enc.Value = (*hexutil.Big)(itx.Value)
-		enc.Data = (*hexutil.Bytes)(&itx.Data)
+		enc.Input = (*hexutil.Bytes)(&itx.Data)
-		enc.To = tx.To()
+		enc.AccessList = &itx.AccessList
 		enc.V = (*hexutil.Big)(itx.V)
 		enc.R = (*hexutil.Big)(itx.R)
 		enc.S = (*hexutil.Big)(itx.S)
+
+	case *BlobTx:
+		enc.ChainID = (*hexutil.Big)(itx.ChainID.ToBig())
+		enc.Nonce = (*hexutil.Uint64)(&itx.Nonce)
+		enc.Gas = (*hexutil.Uint64)(&itx.Gas)
+		enc.MaxFeePerGas = (*hexutil.Big)(itx.GasFeeCap.ToBig())
+		enc.MaxPriorityFeePerGas = (*hexutil.Big)(itx.GasTipCap.ToBig())
+		enc.MaxFeePerDataGas = (*hexutil.Big)(itx.BlobFeeCap.ToBig())
+		enc.Value = (*hexutil.Big)(itx.Value.ToBig())
+		enc.Input = (*hexutil.Bytes)(&itx.Data)
+		enc.AccessList = &itx.AccessList
+		enc.BlobVersionedHashes = itx.BlobHashes
+		enc.To = tx.To()
+		enc.V = (*hexutil.Big)(itx.V.ToBig())
+		enc.R = (*hexutil.Big)(itx.R.ToBig())
+		enc.S = (*hexutil.Big)(itx.S.ToBig())
 	}
 	return json.Marshal(&enc)
 }
@@ -111,29 +129,29 @@ func (tx *Transaction) UnmarshalJSON(input []byte) error {
 	case LegacyTxType:
 		var itx LegacyTx
 		inner = &itx
-		if dec.To != nil {
-			itx.To = dec.To
-		}
 		if dec.Nonce == nil {
 			return errors.New("missing required field 'nonce' in transaction")
 		}
 		itx.Nonce = uint64(*dec.Nonce)
-		if dec.GasPrice == nil {
+		if dec.To != nil {
-			return errors.New("missing required field 'gasPrice' in transaction")
+			itx.To = dec.To
 		}
-		itx.GasPrice = (*big.Int)(dec.GasPrice)
 		if dec.Gas == nil {
 			return errors.New("missing required field 'gas' in transaction")
 		}
 		itx.Gas = uint64(*dec.Gas)
+		if dec.GasPrice == nil {
+			return errors.New("missing required field 'gasPrice' in transaction")
+		}
+		itx.GasPrice = (*big.Int)(dec.GasPrice)
 		if dec.Value == nil {
 			return errors.New("missing required field 'value' in transaction")
 		}
 		itx.Value = (*big.Int)(dec.Value)
-		if dec.Data == nil {
+		if dec.Input == nil {
 			return errors.New("missing required field 'input' in transaction")
 		}
-		itx.Data = *dec.Data
+		itx.Data = *dec.Input
 		if dec.V == nil {
 			return errors.New("missing required field 'v' in transaction")
 		}
@@ -156,40 +174,39 @@ func (tx *Transaction) UnmarshalJSON(input []byte) error {
 	case AccessListTxType:
 		var itx AccessListTx
 		inner = &itx
-		// Access list is optional for now.
-		if dec.AccessList != nil {
-			itx.AccessList = *dec.AccessList
-		}
 		if dec.ChainID == nil {
 			return errors.New("missing required field 'chainId' in transaction")
 		}
 		itx.ChainID = (*big.Int)(dec.ChainID)
-		if dec.To != nil {
-			itx.To = dec.To
-		}
 		if dec.Nonce == nil {
 			return errors.New("missing required field 'nonce' in transaction")
 		}
 		itx.Nonce = uint64(*dec.Nonce)
-		if dec.GasPrice == nil {
+		if dec.To != nil {
-			return errors.New("missing required field 'gasPrice' in transaction")
+			itx.To = dec.To
 		}
-		itx.GasPrice = (*big.Int)(dec.GasPrice)
 		if dec.Gas == nil {
 			return errors.New("missing required field 'gas' in transaction")
 		}
 		itx.Gas = uint64(*dec.Gas)
+		if dec.GasPrice == nil {
+			return errors.New("missing required field 'gasPrice' in transaction")
+		}
+		itx.GasPrice = (*big.Int)(dec.GasPrice)
 		if dec.Value == nil {
 			return errors.New("missing required field 'value' in transaction")
 		}
 		itx.Value = (*big.Int)(dec.Value)
-		if dec.Data == nil {
+		if dec.Input == nil {
 			return errors.New("missing required field 'input' in transaction")
 		}
-		itx.Data = *dec.Data
+		itx.Data = *dec.Input
 		if dec.V == nil {
 			return errors.New("missing required field 'v' in transaction")
 		}
+		if dec.AccessList != nil {
+			itx.AccessList = *dec.AccessList
+		}
 		itx.V = (*big.Int)(dec.V)
 		if dec.R == nil {
 			return errors.New("missing required field 'r' in transaction")
@@ -209,21 +226,21 @@ func (tx *Transaction) UnmarshalJSON(input []byte) error {
 	case DynamicFeeTxType:
 		var itx DynamicFeeTx
 		inner = &itx
-		// Access list is optional for now.
-		if dec.AccessList != nil {
-			itx.AccessList = *dec.AccessList
-		}
 		if dec.ChainID == nil {
 			return errors.New("missing required field 'chainId' in transaction")
 		}
 		itx.ChainID = (*big.Int)(dec.ChainID)
-		if dec.To != nil {
-			itx.To = dec.To
-		}
 		if dec.Nonce == nil {
 			return errors.New("missing required field 'nonce' in transaction")
 		}
 		itx.Nonce = uint64(*dec.Nonce)
+		if dec.To != nil {
+			itx.To = dec.To
+		}
+		if dec.Gas == nil {
+			return errors.New("missing required field 'gas' for txdata")
+		}
+		itx.Gas = uint64(*dec.Gas)
 		if dec.MaxPriorityFeePerGas == nil {
 			return errors.New("missing required field 'maxPriorityFeePerGas' for txdata")
 		}
@@ -232,21 +249,20 @@ func (tx *Transaction) UnmarshalJSON(input []byte) error {
 			return errors.New("missing required field 'maxFeePerGas' for txdata")
 		}
 		itx.GasFeeCap = (*big.Int)(dec.MaxFeePerGas)
-		if dec.Gas == nil {
-			return errors.New("missing required field 'gas' for txdata")
-		}
-		itx.Gas = uint64(*dec.Gas)
 		if dec.Value == nil {
 			return errors.New("missing required field 'value' in transaction")
 		}
 		itx.Value = (*big.Int)(dec.Value)
-		if dec.Data == nil {
+		if dec.Input == nil {
 			return errors.New("missing required field 'input' in transaction")
 		}
-		itx.Data = *dec.Data
+		itx.Data = *dec.Input
 		if dec.V == nil {
 			return errors.New("missing required field 'v' in transaction")
 		}
+		if dec.AccessList != nil {
+			itx.AccessList = *dec.AccessList
+		}
 		itx.V = (*big.Int)(dec.V)
 		if dec.R == nil {
 			return errors.New("missing required field 'r' in transaction")
@@ -263,6 +279,70 @@ func (tx *Transaction) UnmarshalJSON(input []byte) error {
 			}
 		}
 
+	case BlobTxType:
+		var itx BlobTx
+		inner = &itx
+		if dec.ChainID == nil {
+			return errors.New("missing required field 'chainId' in transaction")
+		}
+		itx.ChainID = uint256.MustFromBig((*big.Int)(dec.ChainID))
+		if dec.Nonce == nil {
+			return errors.New("missing required field 'nonce' in transaction")
+		}
+		itx.Nonce = uint64(*dec.Nonce)
+		if dec.To != nil {
+			itx.To = dec.To
+		}
+		if dec.Gas == nil {
+			return errors.New("missing required field 'gas' for txdata")
+		}
+		itx.Gas = uint64(*dec.Gas)
+		if dec.MaxPriorityFeePerGas == nil {
+			return errors.New("missing required field 'maxPriorityFeePerGas' for txdata")
+		}
+		itx.GasTipCap = uint256.MustFromBig((*big.Int)(dec.MaxPriorityFeePerGas))
+		if dec.MaxFeePerGas == nil {
+			return errors.New("missing required field 'maxFeePerGas' for txdata")
+		}
+		itx.GasFeeCap = uint256.MustFromBig((*big.Int)(dec.MaxFeePerGas))
+		if dec.MaxFeePerDataGas == nil {
+			return errors.New("missing required field 'maxFeePerDataGas' for txdata")
+		}
+		itx.BlobFeeCap = uint256.MustFromBig((*big.Int)(dec.MaxFeePerDataGas))
+		if dec.Value == nil {
+			return errors.New("missing required field 'value' in transaction")
+		}
+		itx.Value = uint256.MustFromBig((*big.Int)(dec.Value))
+		if dec.Input == nil {
+			return errors.New("missing required field 'input' in transaction")
+		}
+		itx.Data = *dec.Input
+		if dec.V == nil {
+			return errors.New("missing required field 'v' in transaction")
+		}
+		if dec.AccessList != nil {
+			itx.AccessList = *dec.AccessList
+		}
+		if dec.BlobVersionedHashes == nil {
+			return errors.New("missing required field 'blobVersionedHashes' in transaction")
+		}
+		itx.BlobHashes = dec.BlobVersionedHashes
+		itx.V = uint256.MustFromBig((*big.Int)(dec.V))
+		if dec.R == nil {
+			return errors.New("missing required field 'r' in transaction")
+		}
+		itx.R = uint256.MustFromBig((*big.Int)(dec.R))
+		if dec.S == nil {
+			return errors.New("missing required field 's' in transaction")
+		}
+		itx.S = uint256.MustFromBig((*big.Int)(dec.S))
+		withSignature := itx.V.Sign() != 0 || itx.R.Sign() != 0 || itx.S.Sign() != 0
+		if withSignature {
+			if err := sanityCheckSignature(itx.V.ToBig(), itx.R.ToBig(), itx.S.ToBig(), false); err != nil {
+				return err
+			}
+		}
+
 	default:
 		return ErrTxTypeNotSupported
 	}

core/types/tx_blob.go

@@ -31,7 +31,7 @@ type BlobTx struct {
 	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
+	To         *common.Address `rlp:"nil"` // nil means contract creation
 	Value      *uint256.Int
 	Data       []byte
 	AccessList AccessList