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consensus: verify the nonexistence of shanghai- and cancun-specific header fields (#28605)

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This commit is contained in:
Jakub Freebit
2023-11-28 21:29:00 +01:00
committed by GitHub
parent 34dcd74935
commit e0c7ad01ab
2 changed files with 44 additions and 0 deletions
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consensus/ethash/consensus.go
+22
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@@ -266,9 +266,22 @@ func (ethash *Ethash) verifyHeader(chain consensus.ChainHeaderReader, header, pa
if chain.Config().IsShanghai(header.Number, header.Time) {
return errors.New("ethash does not support shanghai fork")
}
// Verify the non-existence of withdrawalsHash.
if header.WithdrawalsHash != nil {
return fmt.Errorf("invalid withdrawalsHash: have %x, expected nil", header.WithdrawalsHash)
}
if chain.Config().IsCancun(header.Number, header.Time) {
return errors.New("ethash does not support cancun fork")
}
// Verify the non-existence of cancun-specific header fields
switch {
case header.ExcessBlobGas != nil:
return fmt.Errorf("invalid excessBlobGas: have %d, expected nil", header.ExcessBlobGas)
case header.BlobGasUsed != nil:
return fmt.Errorf("invalid blobGasUsed: have %d, expected nil", header.BlobGasUsed)
case header.ParentBeaconRoot != nil:
return fmt.Errorf("invalid parentBeaconRoot, have %#x, expected nil", header.ParentBeaconRoot)
}
// Add some fake checks for tests
if ethash.fakeDelay != nil {
time.Sleep(*ethash.fakeDelay)
@@ -533,6 +546,15 @@ func (ethash *Ethash) SealHash(header *types.Header) (hash common.Hash) {
if header.WithdrawalsHash != nil {
panic("withdrawal hash set on ethash")
}
if header.ExcessBlobGas != nil {
panic("excess blob gas set on ethash")
}
if header.BlobGasUsed != nil {
panic("blob gas used set on ethash")
}
if header.ParentBeaconRoot != nil {
panic("parent beacon root set on ethash")
}
rlp.Encode(hasher, enc)
hasher.Sum(hash[:0])
return hash