Merge 5aa511ecf2 into dab746b3ef

Co-authored-by: Marius van der Wijden <m.vanderwijden@live.de>

eth/catalyst/simulated_beacon.go

@@ -33,6 +33,8 @@ import (
 	"github.com/ethereum/go-ethereum/event"
 	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/node"
+	"github.com/ethereum/go-ethereum/params"
+	"github.com/ethereum/go-ethereum/params/forks"
 	"github.com/ethereum/go-ethereum/rpc"
 )
 
@@ -95,6 +97,16 @@ type SimulatedBeacon struct {
 	lastBlockTime      uint64
 }
 
+func payloadVersion(config *params.ChainConfig, time uint64) engine.PayloadVersion {
+	switch config.LatestFork(time) {
+	case forks.Prague, forks.Cancun:
+		return engine.PayloadV3
+	case forks.Paris, forks.Shanghai:
+		return engine.PayloadV2
+	}
+	panic("invalid fork, simulated beacon needs to be started post-merge")
+}
+
 // NewSimulatedBeacon constructs a new simulated beacon chain.
 func NewSimulatedBeacon(period uint64, eth *eth.Ethereum) (*SimulatedBeacon, error) {
 	block := eth.BlockChain().CurrentBlock()
@@ -107,7 +119,8 @@ func NewSimulatedBeacon(period uint64, eth *eth.Ethereum) (*SimulatedBeacon, err
 
 	// if genesis block, send forkchoiceUpdated to trigger transition to PoS
 	if block.Number.Sign() == 0 {
-		if _, err := engineAPI.ForkchoiceUpdatedV3(current, nil); err != nil {
+		version := payloadVersion(eth.BlockChain().Config(), block.Time)
+		if _, err := engineAPI.forkchoiceUpdated(current, nil, version, false); err != nil {
 			return nil, err
 		}
 	}
@@ -171,6 +184,8 @@ func (c *SimulatedBeacon) sealBlock(withdrawals []*types.Withdrawal, timestamp u
 		return fmt.Errorf("failed to sync txpool: %w", err)
 	}
 
+	version := payloadVersion(c.eth.BlockChain().Config(), timestamp)
+
 	var random [32]byte
 	rand.Read(random[:])
 	fcResponse, err := c.engineAPI.forkchoiceUpdated(c.curForkchoiceState, &engine.PayloadAttributes{
@@ -179,7 +194,7 @@ func (c *SimulatedBeacon) sealBlock(withdrawals []*types.Withdrawal, timestamp u
 		Withdrawals:           withdrawals,
 		Random:                random,
 		BeaconRoot:            &common.Hash{},
-	}, engine.PayloadV3, false)
+	}, version, false)
 	if err != nil {
 		return err
 	}
@@ -204,28 +219,39 @@ func (c *SimulatedBeacon) sealBlock(withdrawals []*types.Withdrawal, timestamp u
 		}
 	}
 
-	// Independently calculate the blob hashes from sidecars.
-	blobHashes := make([]common.Hash, 0)
-	if envelope.BlobsBundle != nil {
-		hasher := sha256.New()
-		for _, commit := range envelope.BlobsBundle.Commitments {
-			var c kzg4844.Commitment
-			if len(commit) != len(c) {
-				return errors.New("invalid commitment length")
+	var (
+		blobHashes []common.Hash
+		beaconRoot *common.Hash
+		requests   [][]byte
+	)
+	// Compute post-shanghai fields
+	if version > engine.PayloadV2 {
+		// Independently calculate the blob hashes from sidecars.
+		blobHashes = make([]common.Hash, 0)
+		if envelope.BlobsBundle != nil {
+			hasher := sha256.New()
+			for _, commit := range envelope.BlobsBundle.Commitments {
+				var c kzg4844.Commitment
+				if len(commit) != len(c) {
+					return errors.New("invalid commitment length")
+				}
+				copy(c[:], commit)
+				blobHashes = append(blobHashes, kzg4844.CalcBlobHashV1(hasher, &c))
 			}
-			copy(c[:], commit)
-			blobHashes = append(blobHashes, kzg4844.CalcBlobHashV1(hasher, &c))
 		}
+		beaconRoot = &common.Hash{}
+		requests = envelope.Requests
 	}
+
 	// Mark the payload as canon
-	_, err = c.engineAPI.newPayload(*payload, blobHashes, &common.Hash{}, envelope.Requests, false)
+	_, err = c.engineAPI.newPayload(*payload, blobHashes, beaconRoot, requests, false)
 	if err != nil {
 		return err
 	}
 	c.setCurrentState(payload.BlockHash, finalizedHash)
 
 	// Mark the block containing the payload as canonical
-	if _, err = c.engineAPI.ForkchoiceUpdatedV3(c.curForkchoiceState, nil); err != nil {
+	if _, err = c.engineAPI.forkchoiceUpdated(c.curForkchoiceState, nil, version, false); err != nil {
 		return err
 	}
 	c.lastBlockTime = payload.Timestamp

internal/ethapi/simulate.go

@@ -194,6 +194,10 @@ func (sim *simulator) processBlock(ctx context.Context, block *simBlock, header,
 	if precompiles != nil {
 		evm.SetPrecompiles(precompiles)
 	}
+	if sim.chainConfig.IsPrague(header.Number, header.Time) || sim.chainConfig.IsVerkle(header.Number, header.Time) {
+		core.ProcessParentBlockHash(header.ParentHash, evm)
+	}
+	var allLogs []*types.Log
 	for i, call := range block.Calls {
 		if err := ctx.Err(); err != nil {
 			return nil, nil, err
@@ -234,9 +238,23 @@ func (sim *simulator) processBlock(ctx context.Context, block *simBlock, header,
 			}
 		} else {
 			callRes.Status = hexutil.Uint64(types.ReceiptStatusSuccessful)
+			allLogs = append(allLogs, callRes.Logs...)
 		}
 		callResults[i] = callRes
 	}
+	var requests [][]byte
+	// Process EIP-7685 requests
+	if sim.chainConfig.IsPrague(header.Number, header.Time) {
+		requests = [][]byte{}
+		// EIP-6110
+		if err := core.ParseDepositLogs(&requests, allLogs, sim.chainConfig); err != nil {
+			return nil, nil, err
+		}
+		// EIP-7002
+		core.ProcessWithdrawalQueue(&requests, evm)
+		// EIP-7251
+		core.ProcessConsolidationQueue(&requests, evm)
+	}
 	header.Root = sim.state.IntermediateRoot(true)
 	header.GasUsed = gasUsed
 	if sim.chainConfig.IsCancun(header.Number, header.Time) {
@@ -246,6 +264,10 @@ func (sim *simulator) processBlock(ctx context.Context, block *simBlock, header,
 	if sim.chainConfig.IsShanghai(header.Number, header.Time) {
 		withdrawals = make([]*types.Withdrawal, 0)
 	}
+	if requests != nil {
+		reqHash := types.CalcRequestsHash(requests)
+		header.RequestsHash = &reqHash
+	}
 	b := types.NewBlock(header, &types.Body{Transactions: txes, Withdrawals: withdrawals}, receipts, trie.NewStackTrie(nil))
 	repairLogs(callResults, b.Hash())
 	return b, callResults, nil