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Skip gas limit checks for chains with gas limit contract (#7567)

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Dirty hack to fix Chiado until #7151 is properly implemented. Should fix
the following error:
```
[WARN] [05-23|17:07:39.303] Verification failed for header           hash=0x4eee718e5958a862746ea9a9531a16e6a404698d3a0e8120e8aff743b9f1e0a2 height=1 err="invalid gas limit: have 12500000, want 10000000 +-= 9764"
```
This commit is contained in:
Andrew Ashikhmin 2023-05-23 22:14:18 +02:00 committed by GitHub
parent faf62a0c11
commit 319e99e72a
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
7 changed files with 33 additions and 34 deletions
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6
consensus/aura/aura.go
View File

@ -493,7 +493,11 @@ func (c *AuRa) VerifyHeader(chain consensus.ChainHeaderReader, header *types.Hea
log.Error("consensus.ErrUnknownAncestor", "parentNum", number-1, "hash", header.ParentHash.String())
return consensus.ErrUnknownAncestor
}
return ethash.VerifyHeaderBasics(chain, header, parent, false)
return ethash.VerifyHeaderBasics(chain, header, parent, true /*checkTimestamp*/, c.HasGasLimitContract() /*skipGasLimit*/)
}
func (c *AuRa) HasGasLimitContract() bool {
return len(c.cfg.BlockRewardContractTransitions) != 0
}
// nolint

2
consensus/bor/bor.go
View File

@ -461,7 +461,7 @@ func (c *Bor) verifyCascadingFields(chain consensus.ChainHeaderReader, header *t
if err := misc.VerifyGaslimit(parent.GasLimit, header.GasLimit); err != nil {
return err
}
} else if err := misc.VerifyEip1559Header(chain.Config(), parent, header); err != nil {
} else if err := misc.VerifyEip1559Header(chain.Config(), parent, header, false /*skipGasLimit*/); err != nil {
// Verify the header's EIP-1559 attributes.
return err
}

13
consensus/clique/verifier.go
View File

@ -115,17 +115,10 @@ func (c *Clique) verifyCascadingFields(chain consensus.ChainHeaderReader, header
if header.BaseFee != nil {
return fmt.Errorf("invalid baseFee before fork: have %d, want <nil>", header.BaseFee)
}
// Verify that the gas limit remains within allowed bounds
diff := int64(parent.GasLimit) - int64(header.GasLimit)
if diff < 0 {
diff *= -1
if err := misc.VerifyGaslimit(parent.GasLimit, header.GasLimit); err != nil {
return err
}
limit := parent.GasLimit / params.GasLimitBoundDivisor
if uint64(diff) >= limit || header.GasLimit < params.MinGasLimit {
return fmt.Errorf("invalid gas limit: have %d, want %d += %d", header.GasLimit, parent.GasLimit, limit)
}
} else if err := misc.VerifyEip1559Header(chain.Config(), parent, header); err != nil {
} else if err := misc.VerifyEip1559Header(chain.Config(), parent, header, false /*skipGasLimit*/); err != nil {
// Verify the header's EIP-1559 attributes.
return err
}

18
consensus/ethash/consensus.go
View File

@ -197,13 +197,13 @@ func (ethash *Ethash) VerifyUncle(chain consensus.ChainHeaderReader, header *typ
return ethash.verifyHeader(chain, uncle, ancestors[uncle.ParentHash], true, seal)
}
func VerifyHeaderBasics(chain consensus.ChainHeaderReader, header, parent *types.Header, uncle bool) error {
func VerifyHeaderBasics(chain consensus.ChainHeaderReader, header, parent *types.Header, checkTimestamp, skipGasLimit bool) error {
// Ensure that the header's extra-data section is of a reasonable size
if uint64(len(header.Extra)) > params.MaximumExtraDataSize {
return fmt.Errorf("extra-data too long: %d > %d", len(header.Extra), params.MaximumExtraDataSize)
}
// Verify the header's timestamp
if !uncle {
if checkTimestamp {
unixNow := time.Now().Unix()
if header.Time > uint64(unixNow+allowedFutureBlockTimeSeconds) {
return consensus.ErrFutureBlock
@ -226,16 +226,12 @@ func VerifyHeaderBasics(chain consensus.ChainHeaderReader, header, parent *types
if header.BaseFee != nil {
return fmt.Errorf("invalid baseFee before fork: have %d, expected 'nil'", header.BaseFee)
}
// Verify that the gas limit remains within allowed bounds
diff := int64(parent.GasLimit) - int64(header.GasLimit)
if diff < 0 {
diff *= -1
if !skipGasLimit {
if err := misc.VerifyGaslimit(parent.GasLimit, header.GasLimit); err != nil {
return err
}
limit := parent.GasLimit / params.GasLimitBoundDivisor
if uint64(diff) >= limit || header.GasLimit < params.MinGasLimit {
return fmt.Errorf("invalid gas limit: have %d, want %d += %d", header.GasLimit, parent.GasLimit, limit)
}
} else if err := misc.VerifyEip1559Header(chain.Config(), parent, header); err != nil {
} else if err := misc.VerifyEip1559Header(chain.Config(), parent, header, skipGasLimit); err != nil {
// Verify the header's EIP-1559 attributes.
return err
}
@ -263,7 +259,7 @@ func VerifyHeaderBasics(chain consensus.ChainHeaderReader, header, parent *types
// stock Ethereum ethash engine.
// See YP section 4.3.4. "Block Header Validity"
func (ethash *Ethash) verifyHeader(chain consensus.ChainHeaderReader, header, parent *types.Header, uncle bool, seal bool) error {
if err := VerifyHeaderBasics(chain, header, parent, uncle); err != nil {
if err := VerifyHeaderBasics(chain, header, parent, !uncle /*checkTimestamp*/, false /*skipGasLimit*/); err != nil {
return err
}
// Verify the block's difficulty based on its timestamp and parent's difficulty

6
consensus/merge/merge.go
View File

@ -237,7 +237,11 @@ func (s *Merge) verifyHeader(chain consensus.ChainHeaderReader, header, parent *
return errInvalidUncleHash
}
if err := misc.VerifyEip1559Header(chain.Config(), parent, header); err != nil {
skipGasLimit := false
if auraEngine, ok := s.eth1Engine.(*aura.AuRa); ok {
skipGasLimit = auraEngine.HasGasLimitContract()
}
if err := misc.VerifyEip1559Header(chain.Config(), parent, header, skipGasLimit); err != nil {
return err
}

4
consensus/misc/eip1559.go
View File

@ -31,7 +31,8 @@ import (
// VerifyEip1559Header verifies some header attributes which were changed in EIP-1559,
// - gas limit check
// - basefee check
func VerifyEip1559Header(config *chain.Config, parent, header *types.Header) error {
func VerifyEip1559Header(config *chain.Config, parent, header *types.Header, skipGasLimit bool) error {
if !skipGasLimit {
// Verify that the gas limit remains within allowed bounds
parentGasLimit := parent.GasLimit
if !config.IsLondon(parent.Number.Uint64()) {
@ -40,6 +41,7 @@ func VerifyEip1559Header(config *chain.Config, parent, header *types.Header) err
if err := VerifyGaslimit(parentGasLimit, header.GasLimit); err != nil {
return err
}
}
// Verify the header is not malformed
if header.BaseFee == nil {
return fmt.Errorf("header is missing baseFee")

2
consensus/misc/eip1559_test.go
View File

@ -80,7 +80,7 @@ func TestBlockGasLimits(t *testing.T) {
BaseFee: initial,
Number: big.NewInt(tc.pNum + 1),
}
err := VerifyEip1559Header(config(), parent, header)
err := VerifyEip1559Header(config(), parent, header, false /*skipGasLimit*/)
if tc.ok && err != nil {
t.Errorf("test %d: Expected valid header: %s", i, err)
}