mirror of https://github.com/ethereum/go-ethereum
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 0x03pull/27139/head
Péter Szilágyi
2 years ago
committed by
GitHub
parent
4ab4e4f3aa
commit
bbc565ab05
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// Copyright 2023 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package types |
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import ( |
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"math/big" |
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"github.com/ethereum/go-ethereum/common" |
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"github.com/ethereum/go-ethereum/params" |
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"github.com/holiman/uint256" |
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) |
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// BlobTx represents an EIP-4844 transaction.
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type BlobTx struct { |
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ChainID *uint256.Int |
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Nonce uint64 |
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GasTipCap *uint256.Int // a.k.a. maxPriorityFeePerGas
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GasFeeCap *uint256.Int // a.k.a. maxFeePerGas
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Gas uint64 |
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To *common.Address // `rlp:"nil"` // nil means contract creation
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Value *uint256.Int |
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Data []byte |
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AccessList AccessList |
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BlobFeeCap *uint256.Int // a.k.a. maxFeePerDataGas
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BlobHashes []common.Hash |
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// Signature values
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V *uint256.Int `json:"v" gencodec:"required"` |
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R *uint256.Int `json:"r" gencodec:"required"` |
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S *uint256.Int `json:"s" gencodec:"required"` |
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} |
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// copy creates a deep copy of the transaction data and initializes all fields.
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func (tx *BlobTx) copy() TxData { |
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cpy := &BlobTx{ |
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Nonce: tx.Nonce, |
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To: copyAddressPtr(tx.To), |
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Data: common.CopyBytes(tx.Data), |
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Gas: tx.Gas, |
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// These are copied below.
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AccessList: make(AccessList, len(tx.AccessList)), |
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BlobHashes: make([]common.Hash, len(tx.BlobHashes)), |
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Value: new(uint256.Int), |
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ChainID: new(uint256.Int), |
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GasTipCap: new(uint256.Int), |
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GasFeeCap: new(uint256.Int), |
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BlobFeeCap: new(uint256.Int), |
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V: new(uint256.Int), |
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R: new(uint256.Int), |
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S: new(uint256.Int), |
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} |
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copy(cpy.AccessList, tx.AccessList) |
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copy(cpy.BlobHashes, tx.BlobHashes) |
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if tx.Value != nil { |
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cpy.Value.Set(tx.Value) |
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} |
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if tx.ChainID != nil { |
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cpy.ChainID.Set(tx.ChainID) |
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} |
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if tx.GasTipCap != nil { |
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cpy.GasTipCap.Set(tx.GasTipCap) |
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} |
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if tx.GasFeeCap != nil { |
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cpy.GasFeeCap.Set(tx.GasFeeCap) |
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} |
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if tx.BlobFeeCap != nil { |
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cpy.BlobFeeCap.Set(tx.BlobFeeCap) |
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} |
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if tx.V != nil { |
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cpy.V.Set(tx.V) |
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} |
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if tx.R != nil { |
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cpy.R.Set(tx.R) |
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} |
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if tx.S != nil { |
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cpy.S.Set(tx.S) |
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} |
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return cpy |
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} |
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// accessors for innerTx.
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func (tx *BlobTx) txType() byte { return BlobTxType } |
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func (tx *BlobTx) chainID() *big.Int { return tx.ChainID.ToBig() } |
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func (tx *BlobTx) accessList() AccessList { return tx.AccessList } |
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func (tx *BlobTx) data() []byte { return tx.Data } |
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func (tx *BlobTx) gas() uint64 { return tx.Gas } |
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func (tx *BlobTx) gasFeeCap() *big.Int { return tx.GasFeeCap.ToBig() } |
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func (tx *BlobTx) gasTipCap() *big.Int { return tx.GasTipCap.ToBig() } |
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func (tx *BlobTx) gasPrice() *big.Int { return tx.GasFeeCap.ToBig() } |
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func (tx *BlobTx) value() *big.Int { return tx.Value.ToBig() } |
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func (tx *BlobTx) nonce() uint64 { return tx.Nonce } |
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func (tx *BlobTx) to() *common.Address { return tx.To } |
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func (tx *BlobTx) blobGas() uint64 { return params.BlobTxDataGasPerBlob * uint64(len(tx.BlobHashes)) } |
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func (tx *BlobTx) blobGasFeeCap() *big.Int { return tx.BlobFeeCap.ToBig() } |
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func (tx *BlobTx) blobHashes() []common.Hash { return tx.BlobHashes } |
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func (tx *BlobTx) effectiveGasPrice(dst *big.Int, baseFee *big.Int) *big.Int { |
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if baseFee == nil { |
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return dst.Set(tx.GasFeeCap.ToBig()) |
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} |
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tip := dst.Sub(tx.GasFeeCap.ToBig(), baseFee) |
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if tip.Cmp(tx.GasTipCap.ToBig()) > 0 { |
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tip.Set(tx.GasTipCap.ToBig()) |
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} |
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return tip.Add(tip, baseFee) |
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} |
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func (tx *BlobTx) rawSignatureValues() (v, r, s *big.Int) { |
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return tx.V.ToBig(), tx.R.ToBig(), tx.S.ToBig() |
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} |
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func (tx *BlobTx) setSignatureValues(chainID, v, r, s *big.Int) { |
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tx.ChainID.SetFromBig(chainID) |
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tx.V.SetFromBig(v) |
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tx.R.SetFromBig(r) |
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tx.S.SetFromBig(s) |
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} |
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