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[[FIX]] fix evm nonce rollback
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bysomeone authored and vipwzw committed May 24, 2023
1 parent faa1a26 commit 3609b74
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Showing 2 changed files with 47 additions and 43 deletions.
26 changes: 6 additions & 20 deletions plugin/dapp/evm/executor/exec_del_local.go
Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,6 @@
package executor

import (
"github.com/33cn/chain33/system/crypto/secp256k1eth"
"github.com/33cn/chain33/types"
evmtypes "github.com/33cn/plugin/plugin/dapp/evm/types"
)
Expand All @@ -17,29 +16,16 @@ func (evm *EVMExecutor) ExecDelLocal(tx *types.Transaction, receipt *types.Recei
return nil, err
}

defer func(lSet *types.LocalDBSet) {
if receipt.GetTy() != types.ExecOk {

if types.IsEthSignID(tx.GetSignature().GetTy()) {
nonceLocalKey := secp256k1eth.CaculCoinsEvmAccountKey(tx.From())
nonceV, err := evm.GetLocalDB().Get(nonceLocalKey)
if err == nil {
var evmNonce types.EvmAccountNonce
types.Decode(nonceV, &evmNonce)
if evmNonce.GetNonce() == tx.GetNonce()+1 {
evmNonce.Nonce--
if evmNonce.GetNonce() < 0 {
evmNonce.Nonce = 0
}
if lSet != nil {
lSet.KV = append(lSet.KV, &types.KeyValue{Key: nonceLocalKey, Value: types.Encode(&evmNonce)})
}
}

kvs, err := evm.DelRollbackKV(tx, []byte(evmtypes.ExecutorName))
if err != nil {
return nil, err
}

set.KV = kvs
}
}(set)

if receipt.GetTy() != types.ExecOk {
return set, nil
}
cfg := evm.GetAPI().GetConfig()
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64 changes: 41 additions & 23 deletions plugin/dapp/evm/executor/exec_local.go
Original file line number Diff line number Diff line change
Expand Up @@ -8,43 +8,61 @@ import (
"bytes"
"errors"

"github.com/33cn/chain33/common"
log "github.com/33cn/chain33/common/log/log15"
"github.com/33cn/chain33/system/crypto/secp256k1eth"
"github.com/33cn/chain33/types"
evmtypes "github.com/33cn/plugin/plugin/dapp/evm/types"
)

var (
errInvalidEvmNonce = errors.New("errInvalidEvmNonce")
)

func (evm *EVMExecutor) handleEvmNonce(tx *types.Transaction, dbSet *types.LocalDBSet) error {

if types.IsEthSignID(tx.GetSignature().GetTy()) {
fromAddr := tx.From()
nonceLocalKey := secp256k1eth.CaculCoinsEvmAccountKey(fromAddr)
evmNonce := &types.EvmAccountNonce{}
nonceV, nonceErr := evm.GetLocalDB().Get(nonceLocalKey)
if nonceErr == nil {
_ = types.Decode(nonceV, evmNonce)
}

log.Debug("ExecLocal handleEvmNonce", "height", evm.GetHeight(), "txHash", common.ToHex(tx.Hash()),
"from", fromAddr, "expect", evmNonce.GetNonce(), "actual", tx.GetNonce())

if evm.GetAPI().GetConfig().IsDappFork(evm.GetHeight(), "evm", evmtypes.ForkEvmExecNonce) &&
evmNonce.GetNonce() != tx.GetNonce() { //nonce 错误 返回异常
return errInvalidEvmNonce
}
evmNonce.Addr = fromAddr
evmNonce.Nonce++
if dbSet != nil {
dbSet.KV = append(dbSet.KV, &types.KeyValue{Key: nonceLocalKey, Value: types.Encode(evmNonce)})
}
}
return nil
}

// ExecLocal 处理本地区块新增逻辑
func (evm *EVMExecutor) ExecLocal(tx *types.Transaction, receipt *types.ReceiptData, index int) (set *types.LocalDBSet, err error) {
set, err = evm.DriverBase.ExecLocal(tx, receipt, index)
if err != nil {
return nil, err
}

defer func(lSet *types.LocalDBSet) {
if types.IsEthSignID(tx.GetSignature().GetTy()) {
nonceLocalKey := secp256k1eth.CaculCoinsEvmAccountKey(tx.From())
var evmNonce types.EvmAccountNonce
nonceV, nonceErr := evm.GetLocalDB().Get(nonceLocalKey)
if nonceErr == nil {
types.Decode(nonceV, &evmNonce)
if evmNonce.GetNonce() == tx.GetNonce() {
evmNonce.Nonce++
} else if evm.GetAPI().GetConfig().IsDappFork(evm.GetHeight(), "evm", evmtypes.ForkEvmExecNonce) { //nonce 错误 返回异常
err = errors.New("invalid nonce")
return
}

} else {
evmNonce.Addr = tx.From()
evmNonce.Nonce = 1
}
if lSet != nil {
lSet.KV = append(lSet.KV, &types.KeyValue{Key: nonceLocalKey, Value: types.Encode(&evmNonce)})
}
}
}(set)
// 校验及设置evm nonce
if err = evm.handleEvmNonce(tx, set); err != nil {
return nil, err
}

if receipt.GetTy() != types.ExecOk {
// 失败交易也需要记录evm nonce, 增加自动回滚处理
if types.IsEthSignID(tx.GetSignature().GetTy()) {
set.KV = evm.AddRollbackKV(tx, []byte(evmtypes.ExecutorName), set.KV)
}
return set, nil
}
cfg := evm.GetAPI().GetConfig()
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