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core/types: copy tx recipient address #23376

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Merged
merged 6 commits into from
Oct 6, 2021
Merged

core/types: copy tx recipient address #23376

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9b676e8
Add helper for copying address pointers and address TODO
aaronbuchwald Aug 11, 2021
6f8876e
Rename to Clone()
aaronbuchwald Aug 11, 2021
0b103bb
core/types: add & use copyAddressPtr
fjl Oct 6, 2021
939af88
common: remove Clone
fjl Oct 6, 2021
7ece964
core/types: fix typo
fjl Oct 6, 2021
d264447
core/types: remove unused method protected()
fjl Oct 6, 2021
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3 changes: 1 addition & 2 deletions core/types/access_list_tx.go
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Original file line number Diff line number Diff line change
Expand Up @@ -59,7 +59,7 @@ type AccessListTx struct {
func (tx *AccessListTx) copy() TxData {
cpy := &AccessListTx{
Nonce: tx.Nonce,
To: tx.To, // TODO: copy pointed-to address
To: copyAddressPtr(tx.To),
Data: common.CopyBytes(tx.Data),
Gas: tx.Gas,
// These are copied below.
Expand Down Expand Up @@ -96,7 +96,6 @@ 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) protected() bool { return true }
func (tx *AccessListTx) accessList() AccessList { return tx.AccessList }
func (tx *AccessListTx) data() []byte { return tx.Data }
func (tx *AccessListTx) gas() uint64 { return tx.Gas }
Expand Down
3 changes: 1 addition & 2 deletions core/types/dynamic_fee_tx.go
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Expand Up @@ -43,7 +43,7 @@ type DynamicFeeTx struct {
func (tx *DynamicFeeTx) copy() TxData {
cpy := &DynamicFeeTx{
Nonce: tx.Nonce,
To: tx.To, // TODO: copy pointed-to address
To: copyAddressPtr(tx.To),
Data: common.CopyBytes(tx.Data),
Gas: tx.Gas,
// These are copied below.
Expand Down Expand Up @@ -84,7 +84,6 @@ 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) protected() bool { return true }
func (tx *DynamicFeeTx) accessList() AccessList { return tx.AccessList }
func (tx *DynamicFeeTx) data() []byte { return tx.Data }
func (tx *DynamicFeeTx) gas() uint64 { return tx.Gas }
Expand Down
2 changes: 1 addition & 1 deletion core/types/legacy_tx.go
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Expand Up @@ -62,7 +62,7 @@ func NewContractCreation(nonce uint64, amount *big.Int, gasLimit uint64, gasPric
func (tx *LegacyTx) copy() TxData {
cpy := &LegacyTx{
Nonce: tx.Nonce,
To: tx.To, // TODO: copy pointed-to address
To: copyAddressPtr(tx.To),
Data: common.CopyBytes(tx.Data),
Gas: tx.Gas,
// These are initialized below.
Expand Down
17 changes: 10 additions & 7 deletions core/types/transaction.go
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Expand Up @@ -284,13 +284,7 @@ func (tx *Transaction) Nonce() uint64 { return tx.inner.nonce() }
// To returns the recipient address of the transaction.
// For contract-creation transactions, To returns nil.
func (tx *Transaction) To() *common.Address {
// Copy the pointed-to address.
ito := tx.inner.to()
if ito == nil {
return nil
}
cpy := *ito
return &cpy
return copyAddressPtr(tx.inner.to())
}

// Cost returns gas * gasPrice + value.
Expand Down Expand Up @@ -632,3 +626,12 @@ func (m Message) Nonce() uint64 { return m.nonce }
func (m Message) Data() []byte { return m.data }
func (m Message) AccessList() AccessList { return m.accessList }
func (m Message) IsFake() bool { return m.isFake }

// copyAddressPtr copies an address.
func copyAddressPtr(a *common.Address) *common.Address {
if a == nil {
return nil
}
cpy := *a
return &cpy
}