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all: implement withdrawals (EIP-4895) (#26484)

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This change implements withdrawals as specified in EIP-4895.

Co-authored-by: lightclient@protonmail.com <lightclient@protonmail.com>
Co-authored-by: marioevz <marioevz@gmail.com>
Co-authored-by: Martin Holst Swende <martin@swende.se>
Co-authored-by: Felix Lange <fjl@twurst.com>
This commit is contained in:
Marius van der Wijden
2023-01-25 15:32:25 +01:00
committed by GitHub
co-authored by lightclient@protonmail.com marioevz Martin Holst Swende Felix Lange
parent 2b57a27d9e
commit 2a2b0419fb
60 changed files with 1233 additions and 436 deletions
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consensus/ethash/consensus.go
+13 -4
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@@ -310,6 +310,9 @@ func (ethash *Ethash) verifyHeader(chain consensus.ChainHeaderReader, header, pa
if diff := new(big.Int).Sub(header.Number, parent.Number); diff.Cmp(big.NewInt(1)) != 0 {
return consensus.ErrInvalidNumber
}
if chain.Config().IsShanghai(header.Time) {
return fmt.Errorf("ethash does not support shanghai fork")
}
// Verify the engine specific seal securing the block
if seal {
if err := ethash.verifySeal(chain, header, false); err != nil {
@@ -597,7 +600,7 @@ func (ethash *Ethash) Prepare(chain consensus.ChainHeaderReader, header *types.H
// Finalize implements consensus.Engine, accumulating the block and uncle rewards,
// setting the final state on the header
func (ethash *Ethash) Finalize(chain consensus.ChainHeaderReader, header *types.Header, state *state.StateDB, txs []*types.Transaction, uncles []*types.Header) {
func (ethash *Ethash) Finalize(chain consensus.ChainHeaderReader, header *types.Header, state *state.StateDB, txs []*types.Transaction, uncles []*types.Header, withdrawals []*types.Withdrawal) {
// Accumulate any block and uncle rewards and commit the final state root
accumulateRewards(chain.Config(), state, header, uncles)
header.Root = state.IntermediateRoot(chain.Config().IsEIP158(header.Number))
@@ -605,10 +608,13 @@ func (ethash *Ethash) Finalize(chain consensus.ChainHeaderReader, header *types.
// FinalizeAndAssemble implements consensus.Engine, accumulating the block and
// uncle rewards, setting the final state and assembling the block.
func (ethash *Ethash) FinalizeAndAssemble(chain consensus.ChainHeaderReader, header *types.Header, state *state.StateDB, txs []*types.Transaction, uncles []*types.Header, receipts []*types.Receipt) (*types.Block, error) {
// Finalize block
ethash.Finalize(chain, header, state, txs, uncles)
func (ethash *Ethash) FinalizeAndAssemble(chain consensus.ChainHeaderReader, header *types.Header, state *state.StateDB, txs []*types.Transaction, uncles []*types.Header, receipts []*types.Receipt, withdrawals []*types.Withdrawal) (*types.Block, error) {
if len(withdrawals) > 0 {
return nil, errors.New("ethash does not support withdrawals")
}
// Finalize block
ethash.Finalize(chain, header, state, txs, uncles, nil)
// Header seems complete, assemble into a block and return
return types.NewBlock(header, txs, uncles, receipts, trie.NewStackTrie(nil)), nil
}
@@ -635,6 +641,9 @@ func (ethash *Ethash) SealHash(header *types.Header) (hash common.Hash) {
if header.BaseFee != nil {
enc = append(enc, header.BaseFee)
}
if header.WithdrawalsHash != nil {
panic("withdrawal hash set on ethash")
}
rlp.Encode(hasher, enc)
hasher.Sum(hash[:0])
return hash