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consensus/misc: update DAO fork for config2

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This commit is contained in:
Felix Lange 2025-07-16 01:16:25 +02:00
parent d0a36a349a
commit 46adeca48a
2 changed files with 10 additions and 9 deletions
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15
consensus/misc/dao.go
View file

@ -19,12 +19,12 @@ package misc
import (
"bytes"
"errors"
"math/big"
"github.com/ethereum/go-ethereum/core/tracing"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/core/vm"
"github.com/ethereum/go-ethereum/params"
"github.com/ethereum/go-ethereum/params/forks"
)
var (
@ -46,18 +46,21 @@ var (
// with the fork specific extra-data set.
// - if the node is pro-fork, require blocks in the specific range to have the
// unique extra-data set.
func VerifyDAOHeaderExtraData(config *params.ChainConfig, header *types.Header) error {
func VerifyDAOHeaderExtraData(config *params.Config2, header *types.Header) error {
// Short circuit validation if the node doesn't care about the DAO fork
if config.DAOForkBlock == nil {
if !config.Scheduled(forks.DAO) {
return nil
}
// Make sure the block is within the fork's modified extra-data range
limit := new(big.Int).Add(config.DAOForkBlock, params.DAOForkExtraRange)
if header.Number.Cmp(config.DAOForkBlock) < 0 || header.Number.Cmp(limit) >= 0 {
activation, _ := config.Activation(forks.DAO)
limit := activation + uint64(params.DAOForkExtraRange)
if header.Number.Uint64() < activation || header.Number.Uint64() >= limit {
return nil
}
// Depending on whether we support or oppose the fork, validate the extra-data contents
if config.DAOForkSupport {
if params.Get[params.DAOForkSupport](config) {
if !bytes.Equal(header.Extra, params.DAOForkBlockExtra) {
return ErrBadProDAOExtra
}

4
params/dao.go
View file

@ -17,8 +17,6 @@
package params
import (
"math/big"
"github.com/ethereum/go-ethereum/common"
)
@ -29,7 +27,7 @@ var DAOForkBlockExtra = common.FromHex("0x64616f2d686172642d666f726b")
// DAOForkExtraRange is the number of consecutive blocks from the DAO fork point
// to override the extra-data in to prevent no-fork attacks.
var DAOForkExtraRange = big.NewInt(10)
var DAOForkExtraRange = uint64(10)
// DAORefundContract is the address of the refund contract to send DAO balances to.
var DAORefundContract = common.HexToAddress("0xbf4ed7b27f1d666546e30d74d50d173d20bca754")