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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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34
consensus/clique/clique.go
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@ -299,10 +299,6 @@ func (c *Clique) verifyHeader(chain consensus.ChainHeaderReader, header *types.H
if header.GasLimit > cap {
return fmt.Errorf("invalid gasLimit: have %v, max %v", header.GasLimit, cap)
}
// Verify that the gasUsed is <= gasLimit
if header.GasUsed > header.GasLimit {
return fmt.Errorf("invalid gasUsed: have %d, gasLimit %d", header.GasUsed, header.GasLimit)
}
// If all checks passed, validate any special fields for hard forks
if err := misc.VerifyForkHashes(chain.Config(), header, false); err != nil {
return err
@ -334,14 +330,21 @@ func (c *Clique) verifyCascadingFields(chain consensus.ChainHeaderReader, header
if parent.Time+c.config.Period > header.Time {
return errInvalidTimestamp
}
// Verify that the gas limit remains within allowed bounds
diff := int64(parent.GasLimit) - int64(header.GasLimit)
if diff < 0 {
diff *= -1
// Verify that the gasUsed is <= gasLimit
if header.GasUsed > header.GasLimit {
return fmt.Errorf("invalid gasUsed: have %d, gasLimit %d", header.GasUsed, header.GasLimit)
}
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)
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, want <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
}
// Retrieve the snapshot needed to verify this header and cache it
snap, err := c.snapshot(chain, number-1, header.ParentHash, parents)
@ -725,7 +728,7 @@ func CliqueRLP(header *types.Header) []byte {
}
func encodeSigHeader(w io.Writer, header *types.Header) {
err := rlp.Encode(w, []interface{}{
enc := []interface{}{
header.ParentHash,
header.UncleHash,
header.Coinbase,
@ -741,8 +744,11 @@ func encodeSigHeader(w io.Writer, header *types.Header) {
header.Extra[:len(header.Extra)-crypto.SignatureLength], // Yes, this will panic if extra is too short
header.MixDigest,
header.Nonce,
})
if err != nil {
}
if header.BaseFee != nil {
enc = append(enc, header.BaseFee)
}
if err := rlp.Encode(w, enc); err != nil {
panic("can't encode: " + err.Error())
}
}