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all: implement EIP-1559 (#22837)

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This is the initial implementation of EIP-1559 in packages core/types and core.
Mining, RPC, etc. will be added in subsequent commits.

Co-authored-by: Marius van der Wijden <m.vanderwijden@live.de>
Co-authored-by: lightclient@protonmail.com <lightclient@protonmail.com>
Co-authored-by: Felix Lange <fjl@twurst.com>
This commit is contained in:
Martin Holst Swende
2021-05-17 15:13:22 +02:00
committed by GitHub
parent 14bc6e5130
commit 94451c2788
59 changed files with 1522 additions and 173 deletions
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30
consensus/ethash/consensus.go
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@ -284,16 +284,18 @@ func (ethash *Ethash) verifyHeader(chain consensus.ChainHeaderReader, header, pa
if header.GasUsed > header.GasLimit {
return fmt.Errorf("invalid gasUsed: have %d, gasLimit %d", header.GasUsed, header.GasLimit)
}
// Verify that the gas limit remains within allowed bounds
diff := int64(parent.GasLimit) - int64(header.GasLimit)
if diff < 0 {
diff *= -1
}
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)
// Verify the block's gas usage and (if applicable) verify the base fee.
if !chain.Config().IsLondon(header.Number) {
// Verify BaseFee not present before EIP-1559 fork.
if header.BaseFee != nil {
return fmt.Errorf("invalid baseFee before fork: have %d, expected 'nil'", header.BaseFee)
}
if err := misc.VerifyGaslimit(parent.GasLimit, header.GasLimit); err != nil {
return err
}
} else if err := misc.VerifyEip1559Header(chain.Config(), parent, header); err != nil {
// Verify the header's EIP-1559 attributes.
return err
}
// Verify that the block number is parent's +1
if diff := new(big.Int).Sub(header.Number, parent.Number); diff.Cmp(big.NewInt(1)) != 0 {
@ -604,7 +606,7 @@ func (ethash *Ethash) FinalizeAndAssemble(chain consensus.ChainHeaderReader, hea
func (ethash *Ethash) SealHash(header *types.Header) (hash common.Hash) {
hasher := sha3.NewLegacyKeccak256()
rlp.Encode(hasher, []interface{}{
enc := []interface{}{
header.ParentHash,
header.UncleHash,
header.Coinbase,
@ -618,7 +620,11 @@ func (ethash *Ethash) SealHash(header *types.Header) (hash common.Hash) {
header.GasUsed,
header.Time,
header.Extra,
})
}
if header.BaseFee != nil {
enc = append(enc, header.BaseFee)
}
rlp.Encode(hasher, enc)
hasher.Sum(hash[:0])
return hash
}