Add accidentally omitted file

restricted/types/blob_tx.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/openrelayxyz/plugeth-utils/core"
+	"github.com/openrelayxyz/plugeth-utils/restricted/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         *core.Address `rlp:"nil"` // nil means contract creation
+	Value      *uint256.Int
+	Data       []byte
+	AccessList AccessList
+	BlobFeeCap *uint256.Int // a.k.a. maxFeePerDataGas
+	BlobHashes []core.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:  core.CopyBytes(tx.Data),
+		Gas:   tx.Gas,
+		// These are copied below.
+		AccessList: make(AccessList, len(tx.AccessList)),
+		BlobHashes: make([]core.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() *core.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() []core.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)
+}