4e599ee469
This resolves a long-standing TODO. The point of copying the address is to ensure that all data referenced by types.Transaction is independent of the data passed into the constructor. Co-authored-by: Felix Lange <fjl@twurst.com>
113 lines
3.5 KiB
Go
113 lines
3.5 KiB
Go
// Copyright 2020 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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)
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// LegacyTx is the transaction data of regular Ethereum transactions.
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type LegacyTx struct {
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Nonce uint64 // nonce of sender account
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GasPrice *big.Int // wei per gas
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Gas uint64 // gas limit
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To *common.Address `rlp:"nil"` // nil means contract creation
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Value *big.Int // wei amount
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Data []byte // contract invocation input data
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V, R, S *big.Int // signature values
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}
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// NewTransaction creates an unsigned legacy transaction.
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// Deprecated: use NewTx instead.
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func NewTransaction(nonce uint64, to common.Address, amount *big.Int, gasLimit uint64, gasPrice *big.Int, data []byte) *Transaction {
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return NewTx(&LegacyTx{
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Nonce: nonce,
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To: &to,
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Value: amount,
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Gas: gasLimit,
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GasPrice: gasPrice,
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Data: data,
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})
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}
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// NewContractCreation creates an unsigned legacy transaction.
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// Deprecated: use NewTx instead.
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func NewContractCreation(nonce uint64, amount *big.Int, gasLimit uint64, gasPrice *big.Int, data []byte) *Transaction {
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return NewTx(&LegacyTx{
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Nonce: nonce,
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Value: amount,
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Gas: gasLimit,
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GasPrice: gasPrice,
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Data: data,
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})
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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 *LegacyTx) copy() TxData {
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cpy := &LegacyTx{
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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 initialized below.
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Value: new(big.Int),
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GasPrice: new(big.Int),
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V: new(big.Int),
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R: new(big.Int),
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S: new(big.Int),
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}
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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.GasPrice != nil {
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cpy.GasPrice.Set(tx.GasPrice)
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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 *LegacyTx) txType() byte { return LegacyTxType }
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func (tx *LegacyTx) chainID() *big.Int { return deriveChainId(tx.V) }
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func (tx *LegacyTx) accessList() AccessList { return nil }
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func (tx *LegacyTx) data() []byte { return tx.Data }
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func (tx *LegacyTx) gas() uint64 { return tx.Gas }
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func (tx *LegacyTx) gasPrice() *big.Int { return tx.GasPrice }
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func (tx *LegacyTx) gasTipCap() *big.Int { return tx.GasPrice }
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func (tx *LegacyTx) gasFeeCap() *big.Int { return tx.GasPrice }
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func (tx *LegacyTx) value() *big.Int { return tx.Value }
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func (tx *LegacyTx) nonce() uint64 { return tx.Nonce }
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func (tx *LegacyTx) to() *common.Address { return tx.To }
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func (tx *LegacyTx) rawSignatureValues() (v, r, s *big.Int) {
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return tx.V, tx.R, tx.S
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}
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func (tx *LegacyTx) setSignatureValues(chainID, v, r, s *big.Int) {
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tx.V, tx.R, tx.S = v, r, s
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}
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