feat(beacon): remove soft blocks implementation (#366)

* Revert "chore(cmd): add `--taiko` flag (#365)"

This reverts commit ca784a23df.

* Revert "chore(cmd): remove `--taiko.preconfirmationForwardingUrl` flag (#362)"

This reverts commit 283fedd05b.

* Revert "feat(beacon): introduce soft blocks (#342)"

This reverts commit a2cbf904ea.

.github/workflows/docker.yml

@@ -2,7 +2,7 @@ name: "Push multi-arch docker image to GAR"
 
 on:
   push:
-    branches: [taiko]
+    branches: [ taiko ]
     tags:
       - "v*"
 
@@ -19,9 +19,9 @@ jobs:
             platform: linux/amd64
           - runner: arc-runner-set-arm64
             platform: linux/arm64
-
+    
     runs-on: ${{ matrix.runner }}
-
+    
     steps:
       - name: Prepare Environment
         run: |
@@ -80,7 +80,7 @@ jobs:
         with:
           context: .
           cache-from: type=gha
-          cache-to: type=gha,mode=max
+          cache-to: type=gha,mode=max          
           platforms: ${{ matrix.platform }}
           push: true
           tags: ${{ env.REGISTRY_IMAGE }}

cmd/geth/main.go

@@ -261,7 +261,7 @@ func init() {
 		metricsFlags,
 	)
 	// CHANGE(taiko): append Taiko flags into the original GETH flags
-	app.Flags = append(app.Flags, utils.TaikoFlag)
+	app.Flags = append(app.Flags, &utils.TaikoFlag)
 
 	flags.AutoEnvVars(app.Flags, "GETH")
 

cmd/utils/taiko_flags.go

@@ -5,7 +5,6 @@ import (
 
 	"github.com/ethereum/go-ethereum/eth"
 	"github.com/ethereum/go-ethereum/eth/ethconfig"
-	"github.com/ethereum/go-ethereum/internal/flags"
 	"github.com/ethereum/go-ethereum/node"
 	"github.com/ethereum/go-ethereum/params"
 	"github.com/ethereum/go-ethereum/rpc"
@@ -13,10 +12,9 @@ import (
 )
 
 var (
-	TaikoFlag = &cli.BoolFlag{
-		Name:     "taiko",
-		Usage:    "Taiko network",
-		Category: flags.TaikoCategory,
+	TaikoFlag = cli.BoolFlag{
+		Name:  "taiko",
+		Usage: "Taiko network",
 	}
 )
 

consensus/taiko/consensus.go

@@ -10,12 +10,10 @@ import (
 
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/consensus"
-	"github.com/ethereum/go-ethereum/core/rawdb"
 	"github.com/ethereum/go-ethereum/core/state"
 	"github.com/ethereum/go-ethereum/core/tracing"
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/crypto"
-	"github.com/ethereum/go-ethereum/ethdb"
 	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/params"
 	"github.com/ethereum/go-ethereum/rpc"
@@ -42,13 +40,12 @@ var (
 // Taiko is a consensus engine used by L2 rollup.
 type Taiko struct {
 	chainConfig    *params.ChainConfig
-	chainDB        ethdb.Database
 	taikoL2Address common.Address
 }
 
 var _ = new(Taiko)
 
-func New(chainConfig *params.ChainConfig, chainDB ethdb.Database) *Taiko {
+func New(chainConfig *params.ChainConfig) *Taiko {
 	taikoL2AddressPrefix := strings.TrimPrefix(chainConfig.ChainID.String(), "0")
 
 	return &Taiko{
@@ -59,7 +56,6 @@ func New(chainConfig *params.ChainConfig, chainDB ethdb.Database) *Taiko {
 				strings.Repeat("0", common.AddressLength*2-len(taikoL2AddressPrefix)-len(TaikoL2AddressSuffix)) +
 				TaikoL2AddressSuffix,
 		),
-		chainDB: chainDB,
 	}
 }
 
@@ -86,7 +82,7 @@ func (t *Taiko) VerifyHeader(chain consensus.ChainHeaderReader, header *types.He
 		return consensus.ErrUnknownAncestor
 	}
 	// Sanity checks passed, do a proper verification
-	return t.verifyHeader(header, parent, time.Now().Unix())
+	return t.verifyHeader(chain, header, parent, time.Now().Unix())
 }
 
 // VerifyHeaders is similar to VerifyHeader, but verifies a batch of headers
@@ -113,7 +109,7 @@ func (t *Taiko) VerifyHeaders(chain consensus.ChainHeaderReader, headers []*type
 			if parent == nil {
 				err = consensus.ErrUnknownAncestor
 			} else {
-				err = t.verifyHeader(header, parent, unixNow)
+				err = t.verifyHeader(chain, header, parent, unixNow)
 			}
 			select {
 			case <-abort:
@@ -125,7 +121,11 @@ func (t *Taiko) VerifyHeaders(chain consensus.ChainHeaderReader, headers []*type
 	return abort, results
 }
 
-func (t *Taiko) verifyHeader(header, parent *types.Header, unixNow int64) error {
+func (t *Taiko) verifyHeader(chain consensus.ChainHeaderReader, header, parent *types.Header, unixNow int64) error {
+	if header.Time > uint64(unixNow) {
+		return consensus.ErrFutureBlock
+	}
+
 	// Ensure that the header's extra-data section is of a reasonable size (<= 32 bytes)
 	if uint64(len(header.Extra)) > params.MaximumExtraDataSize {
 		return fmt.Errorf("extra-data too long: %d > %d", len(header.Extra), params.MaximumExtraDataSize)
@@ -171,16 +171,6 @@ func (t *Taiko) verifyHeader(header, parent *types.Header, unixNow int64) error
 		return ErrEmptyWithdrawalsHash
 	}
 
-	l1Origin, err := rawdb.ReadL1Origin(t.chainDB, header.Number)
-	if err != nil {
-		return err
-	}
-
-	// If the current block is not a soft block, then check the timestamp.
-	if l1Origin != nil && !l1Origin.IsSoftBlock() && header.Time > uint64(unixNow) {
-		return consensus.ErrFutureBlock
-	}
-
 	return nil
 }
 

consensus/taiko/consensus_test.go

@@ -39,7 +39,7 @@ func init() {
 	config.ArrowGlacierBlock = nil
 	config.Ethash = nil
 	config.Taiko = true
-	testEngine = taiko.New(config, rawdb.NewMemoryDatabase())
+	testEngine = taiko.New(config)
 
 	taikoL2AddressPrefix := strings.TrimPrefix(config.ChainID.String(), "0")
 
@@ -93,7 +93,44 @@ func init() {
 	}
 }
 
-func generateTestChain(t *testing.T) ([]*types.Block, *eth.Ethereum) {
+func newTestBackend(t *testing.T) (*eth.Ethereum, []*types.Block) {
+	// Generate test chain.
+	blocks := generateTestChain()
+
+	// Create node
+	n, err := node.New(&node.Config{})
+	if err != nil {
+		t.Fatalf("can't create new node: %v", err)
+	}
+
+	// Create Ethereum Service
+	config := &ethconfig.Config{
+		Genesis: genesis,
+	}
+
+	ethservice, err := eth.New(n, config)
+	if err != nil {
+		t.Fatalf("can't create new ethereum service: %v", err)
+	}
+
+	// Import the test chain.
+	if err := n.Start(); err != nil {
+		t.Fatalf("can't start test node: %v", err)
+	}
+
+	if _, err := ethservice.BlockChain().InsertChain(blocks[1:]); err != nil {
+		t.Fatalf("can't import test blocks: %v", err)
+	}
+
+	if _, ok := ethservice.Engine().(*taiko.Taiko); !ok {
+		t.Fatalf("not use taiko engine")
+	}
+
+	return ethservice, blocks
+}
+
+func generateTestChain() []*types.Block {
+	db := rawdb.NewMemoryDatabase()
 	generate := func(i int, g *core.BlockGen) {
 		g.OffsetTime(5)
 
@@ -110,56 +147,16 @@ func generateTestChain(t *testing.T) ([]*types.Block, *eth.Ethereum) {
 		}
 	}
 
-	// Create node
-	n, err := node.New(&node.Config{
-		DataDir: t.TempDir(),
-	})
-	if err != nil {
-		t.Fatalf("can't create new node: %v", err)
-	}
-
-	// Create Ethereum Service
-	ethService, err := eth.New(n, &ethconfig.Config{
-		Genesis: genesis,
-	})
-	if err != nil {
-		t.Fatalf("can't create new ethereum service: %v", err)
-	}
-
-	db := ethService.ChainDb()
-
 	gblock := genesis.MustCommit(db, triedb.NewDatabase(db, triedb.HashDefaults))
+
 	blocks, _ := core.GenerateChain(genesis.Config, gblock, testEngine, db, 1, generate)
+
 	blocks = append([]*types.Block{gblock}, blocks...)
-
-	// Insert L1Origins.
-	for _, block := range blocks {
-		rawdb.WriteL1Origin(db, block.Number(), &rawdb.L1Origin{
-			BlockID:       block.Number(),
-			L1BlockHeight: block.Number(),
-			L1BlockHash:   block.Hash(),
-		})
-	}
-
-	// Import the test chain.
-	if err := n.Start(); err != nil {
-		t.Fatalf("can't start test node: %v", err)
-	}
-
-	if _, err := ethService.BlockChain().InsertChain(blocks[1:]); err != nil {
-		t.Fatalf("can't import test blocks: %v", err)
-	}
-
-	if _, ok := ethService.Engine().(*taiko.Taiko); !ok {
-		t.Fatalf("not use taiko engine")
-	}
-
-	return blocks, ethService
+	return blocks
 }
 
 func TestVerifyHeader(t *testing.T) {
-	// Generate test chain.
-	blocks, ethService := generateTestChain(t)
+	ethService, blocks := newTestBackend(t)
 
 	for _, b := range blocks {
 		err := testEngine.VerifyHeader(ethService.BlockChain(), b.Header())

core/blockchain.go

@@ -2269,12 +2269,7 @@ func (bc *BlockChain) reorg(oldHead *types.Header, newHead *types.Block) error {
 	} else {
 		// len(newChain) == 0 && len(oldChain) > 0
 		// rewind the canonical chain to a lower point.
-		// CHANGE(taiko): use debug log level to avoid logging too many logs when frequently soft block rollback.
-		if bc.chainConfig.Taiko {
-			log.Debug("Impossible reorg, please file an issue", "oldnum", oldBlock.Number(), "oldhash", oldBlock.Hash(), "oldblocks", len(oldChain), "newnum", newBlock.Number(), "newhash", newBlock.Hash(), "newblocks", len(newChain))
-		} else {
-			log.Error("Impossible reorg, please file an issue", "oldnum", oldBlock.Number(), "oldhash", oldBlock.Hash(), "oldblocks", len(oldChain), "newnum", newBlock.Number(), "newhash", newBlock.Hash(), "newblocks", len(newChain))
-		}
+		log.Error("Impossible reorg, please file an issue", "oldnum", oldBlock.Number(), "oldhash", oldBlock.Hash(), "oldblocks", len(oldChain), "newnum", newBlock.Number(), "newhash", newBlock.Hash(), "newblocks", len(newChain))
 	}
 	// Acquire the tx-lookup lock before mutation. This step is essential
 	// as the txlookups should be changed atomically, and all subsequent

core/rawdb/gen_taiko_l1_origin.go

@@ -18,22 +18,14 @@ func (l L1Origin) MarshalJSON() ([]byte, error) {
 	type L1Origin struct {
 		BlockID       *math.HexOrDecimal256 `json:"blockID" gencodec:"required"`
 		L2BlockHash   common.Hash           `json:"l2BlockHash"`
-		L1BlockHeight *math.HexOrDecimal256 `json:"l1BlockHeight"`
-		L1BlockHash   common.Hash           `json:"l1BlockHash"`
-		BatchID       *big.Int              `json:"batchID"`
-		EndOfBlock    bool                  `json:"endOfBlock"`
-		EndOfPreconf  bool                  `json:"endOfPreconf"`
-		Preconfer     common.Address        `json:"preconfer"`
+		L1BlockHeight *math.HexOrDecimal256 `json:"l1BlockHeight" gencodec:"required"`
+		L1BlockHash   common.Hash           `json:"l1BlockHash" gencodec:"required"`
 	}
 	var enc L1Origin
 	enc.BlockID = (*math.HexOrDecimal256)(l.BlockID)
 	enc.L2BlockHash = l.L2BlockHash
 	enc.L1BlockHeight = (*math.HexOrDecimal256)(l.L1BlockHeight)
 	enc.L1BlockHash = l.L1BlockHash
-	enc.BatchID = l.BatchID
-	enc.EndOfBlock = l.EndOfBlock
-	enc.EndOfPreconf = l.EndOfPreconf
-	enc.Preconfer = l.Preconfer
 	return json.Marshal(&enc)
 }
 
@@ -42,12 +34,8 @@ func (l *L1Origin) UnmarshalJSON(input []byte) error {
 	type L1Origin struct {
 		BlockID       *math.HexOrDecimal256 `json:"blockID" gencodec:"required"`
 		L2BlockHash   *common.Hash          `json:"l2BlockHash"`
-		L1BlockHeight *math.HexOrDecimal256 `json:"l1BlockHeight"`
-		L1BlockHash   *common.Hash          `json:"l1BlockHash"`
-		BatchID       *big.Int              `json:"batchID"`
-		EndOfBlock    *bool                 `json:"endOfBlock"`
-		EndOfPreconf  *bool                 `json:"endOfPreconf"`
-		Preconfer     *common.Address       `json:"preconfer"`
+		L1BlockHeight *math.HexOrDecimal256 `json:"l1BlockHeight" gencodec:"required"`
+		L1BlockHash   *common.Hash          `json:"l1BlockHash" gencodec:"required"`
 	}
 	var dec L1Origin
 	if err := json.Unmarshal(input, &dec); err != nil {
@@ -60,23 +48,13 @@ func (l *L1Origin) UnmarshalJSON(input []byte) error {
 	if dec.L2BlockHash != nil {
 		l.L2BlockHash = *dec.L2BlockHash
 	}
-	if dec.L1BlockHeight != nil {
-		l.L1BlockHeight = (*big.Int)(dec.L1BlockHeight)
+	if dec.L1BlockHeight == nil {
+		return errors.New("missing required field 'l1BlockHeight' for L1Origin")
 	}
-	if dec.L1BlockHash != nil {
-		l.L1BlockHash = *dec.L1BlockHash
-	}
-	if dec.BatchID != nil {
-		l.BatchID = dec.BatchID
-	}
-	if dec.EndOfBlock != nil {
-		l.EndOfBlock = *dec.EndOfBlock
-	}
-	if dec.EndOfPreconf != nil {
-		l.EndOfPreconf = *dec.EndOfPreconf
-	}
-	if dec.Preconfer != nil {
-		l.Preconfer = *dec.Preconfer
+	l.L1BlockHeight = (*big.Int)(dec.L1BlockHeight)
+	if dec.L1BlockHash == nil {
+		return errors.New("missing required field 'l1BlockHash' for L1Origin")
 	}
+	l.L1BlockHash = *dec.L1BlockHash
 	return nil
 }

core/rawdb/taiko_l1_origin.go

@@ -29,22 +29,10 @@ func l1OriginKey(blockID *big.Int) []byte {
 
 // L1Origin represents a L1Origin of a L2 block.
 type L1Origin struct {
-	BlockID       *big.Int       `json:"blockID" gencodec:"required"`
-	L2BlockHash   common.Hash    `json:"l2BlockHash"`
-	L1BlockHeight *big.Int       `json:"l1BlockHeight"`
-	L1BlockHash   common.Hash    `json:"l1BlockHash"`
-	BatchID       *big.Int       `json:"batchID" rlp:"optional"`
-	EndOfBlock    bool           `json:"endOfBlock" rlp:"optional"`
-	EndOfPreconf  bool           `json:"endOfPreconf" rlp:"optional"`
-	Preconfer     common.Address `json:"preconfer" rlp:"optional"`
-}
-
-// L1OriginLegacy represents the legacy L1Origin structure of a L2 block.
-type L1OriginLegacy struct {
 	BlockID       *big.Int    `json:"blockID" gencodec:"required"`
 	L2BlockHash   common.Hash `json:"l2BlockHash"`
-	L1BlockHeight *big.Int    `json:"l1BlockHeight"`
-	L1BlockHash   common.Hash `json:"l1BlockHash"`
+	L1BlockHeight *big.Int    `json:"l1BlockHeight" gencodec:"required"`
+	L1BlockHash   common.Hash `json:"l1BlockHash" gencodec:"required"`
 }
 
 type l1OriginMarshaling struct {
@@ -52,11 +40,6 @@ type l1OriginMarshaling struct {
 	L1BlockHeight *math.HexOrDecimal256
 }
 
-// IsSoftBlock returns true if the L1Origin is a softblock.
-func (l *L1Origin) IsSoftBlock() bool {
-	return l.BatchID != nil
-}
-
 // WriteL1Origin stores a L1Origin into the database.
 func WriteL1Origin(db ethdb.KeyValueWriter, blockID *big.Int, l1Origin *L1Origin) {
 	data, err := rlp.EncodeToBytes(l1Origin)
@@ -69,40 +52,16 @@ func WriteL1Origin(db ethdb.KeyValueWriter, blockID *big.Int, l1Origin *L1Origin
 	}
 }
 
-// DeleteL1Origin removes the L1Origin.
-func DeleteL1Origin(db ethdb.KeyValueWriter, blockID *big.Int) {
-	_ = db.Delete(l1OriginKey(blockID))
-}
-
-// ReadL1Origin retrieves the L1Origin of the given blockID from the database.
+// ReadL1Origin retrieves the given L2 block's L1Origin from database.
 func ReadL1Origin(db ethdb.KeyValueReader, blockID *big.Int) (*L1Origin, error) {
 	data, _ := db.Get(l1OriginKey(blockID))
 	if len(data) == 0 {
 		return nil, nil
 	}
 
-	// First try to decode the new version (with new fields).
 	l1Origin := new(L1Origin)
 	if err := rlp.Decode(bytes.NewReader(data), l1Origin); err != nil {
-		// If decoding the new version fails, try to decode the legacy version (without new fields).
-		l1OriginLegacy := new(L1OriginLegacy)
-		if err := rlp.Decode(bytes.NewReader(data), &l1OriginLegacy); err != nil {
-			return nil, fmt.Errorf("invalid legacy L1Origin RLP bytes: %w", err)
-		}
-
-		// If decoding legacy version succeeds, manually
-		// construct the new L1Origin with default values for the new fields.
-		l1Origin = &L1Origin{
-			BlockID:       l1OriginLegacy.BlockID,
-			L2BlockHash:   l1OriginLegacy.L2BlockHash,
-			L1BlockHeight: l1OriginLegacy.L1BlockHeight,
-			L1BlockHash:   l1OriginLegacy.L1BlockHash,
-			// default value, as the new fields are not present in the legacy version.
-			BatchID:      common.Big0,
-			EndOfBlock:   false,
-			EndOfPreconf: false,
-			Preconfer:    common.Address{},
-		}
+		return nil, fmt.Errorf("invalid L1Origin RLP bytes: %w", err)
 	}
 
 	return l1Origin, nil

core/rawdb/taiko_l1_origin_test.go

@@ -42,7 +42,6 @@ func TestL1Origin(t *testing.T) {
 	l1Origin, err := ReadL1Origin(db, testL1Origin.BlockID)
 	require.Nil(t, err)
 	require.NotNil(t, l1Origin)
-	assert.Equal(t, testL1Origin.BatchID, l1Origin.BatchID)
 	assert.Equal(t, testL1Origin.BlockID, l1Origin.BlockID)
 	assert.Equal(t, testL1Origin.L2BlockHash, l1Origin.L2BlockHash)
 	assert.Equal(t, testL1Origin.L1BlockHeight, l1Origin.L1BlockHeight)

core/taiko_genesis.go

@@ -10,8 +10,7 @@ import (
 )
 
 var (
-	InternalDevnetOntakeBlock = common.Big0
-	PreconfDevnetOntakeBlock  = common.Big0
+	InternalDevnetOntakeBlock = new(big.Int).SetUint64(0)
 	HeklaOntakeBlock          = new(big.Int).SetUint64(840_512)
 	MainnetOntakeBlock        = new(big.Int).SetUint64(538_304)
 )
@@ -55,10 +54,6 @@ func TaikoGenesisBlock(networkID uint64) *Genesis {
 		chainConfig.ChainID = params.HeklaNetworkID
 		chainConfig.OntakeBlock = HeklaOntakeBlock
 		allocJSON = taikoGenesis.HeklaGenesisAllocJSON
-	case params.PreconfDevnetNetworkID.Uint64():
-		chainConfig.ChainID = params.PreconfDevnetNetworkID
-		chainConfig.OntakeBlock = PreconfDevnetOntakeBlock
-		allocJSON = taikoGenesis.PreconfDevnetGenesisAllocJSON
 	default:
 		chainConfig.ChainID = params.TaikoInternalL2ANetworkID
 		chainConfig.OntakeBlock = InternalDevnetOntakeBlock

core/taiko_genesis/genesis_alloc.go

@@ -33,6 +33,3 @@ var HeklaGenesisAllocJSON []byte
 
 //go:embed mainnet.json
 var MainnetGenesisAllocJSON []byte
-
-//go:embed preconf_devnet.json
-var PreconfDevnetGenesisAllocJSON []byte

eth/backend.go

@@ -254,7 +254,6 @@ func New(stack *node.Node, config *ethconfig.Config) (*Ethereum, error) {
 	eth.miner = miner.New(eth, config.Miner, eth.engine)
 	eth.miner.SetExtra(makeExtraData(config.Miner.ExtraData))
 
-	// CHANGE(taiko): set up the pre-confirmation forwarding URL
 	eth.APIBackend = &EthAPIBackend{stack.Config().ExtRPCEnabled(), stack.Config().AllowUnprotectedTxs, eth, nil}
 	if eth.APIBackend.allowUnprotectedTxs {
 		log.Info("Unprotected transactions allowed")

eth/catalyst/api.go

@@ -400,11 +400,6 @@ func (api *ConsensusAPI) forkchoiceUpdated(update engine.ForkchoiceStateV1, payl
 		// generating the payload. It's a special corner case that a few slots are
 		// missing and we are requested to generate the payload in slot.
 	} else if isTaiko { // CHANGE(taiko): reorg is allowed in L2.
-		// After inserting a new canonical head, we delete all L1Origin data of the pending soft blocks.
-		head := api.eth.BlockChain().CurrentBlock()
-		for number := head.Number.Uint64(); number > block.NumberU64(); number-- {
-			rawdb.DeleteL1Origin(api.eth.ChainDb(), new(big.Int).SetUint64(number))
-		}
 		if latestValid, err := api.eth.BlockChain().SetCanonical(block); err != nil {
 			return engine.ForkChoiceResponse{PayloadStatus: engine.PayloadStatusV1{Status: engine.INVALID, LatestValidHash: &latestValid}}, err
 		}
@@ -451,17 +446,6 @@ func (api *ConsensusAPI) forkchoiceUpdated(update engine.ForkchoiceStateV1, payl
 	if payloadAttributes != nil {
 		// CHANGE(taiko): create a L2 block by Taiko protocol.
 		if isTaiko {
-			// L1Origin is a required field in PayloadAttributesV1.
-			if payloadAttributes.L1Origin == nil {
-				return valid(nil), engine.InvalidPayloadAttributes.With(errors.New("L1Origin is nil"))
-			}
-			// If it's not a softblock creation request, then `L1BlockHash` and `L1BlockHeight` are required.
-			if payloadAttributes.L1Origin.BatchID == nil &&
-				(payloadAttributes.L1Origin.L1BlockHash == (common.Hash{}) ||
-					payloadAttributes.L1Origin.L1BlockHeight == nil) {
-				return valid(nil), engine.InvalidPayloadAttributes.With(errors.New("L1BlockHash or L1BlockHeight is nil"))
-			}
-
 			// No need to check payloadAttribute here, because all its fields are
 			// marked as required.
 			block, err := api.eth.Miner().SealBlockWith(
@@ -504,10 +488,8 @@ func (api *ConsensusAPI) forkchoiceUpdated(update engine.ForkchoiceStateV1, payl
 
 			// Write L1Origin.
 			rawdb.WriteL1Origin(api.eth.ChainDb(), l1Origin.BlockID, l1Origin)
-			// Write the head L1Origin, only when it's not a soft block.
-			if l1Origin.BatchID == nil {
-				rawdb.WriteHeadL1Origin(api.eth.ChainDb(), l1Origin.BlockID)
-			}
+			// Write the head L1Origin.
+			rawdb.WriteHeadL1Origin(api.eth.ChainDb(), l1Origin.BlockID)
 
 			return valid(&id), nil
 		}

eth/ethconfig/config.go

@@ -165,7 +165,7 @@ type Config struct {
 func CreateConsensusEngine(config *params.ChainConfig, db ethdb.Database) (consensus.Engine, error) {
 	// CHANGE(taiko): use Taiko consensus engine when the --taiko flag is set.
 	if config.Taiko {
-		return taiko.New(config, db), nil
+		return taiko.New(config), nil
 	}
 	// Geth v1.14.0 dropped support for non-merged networks in any consensus
 	// mode. If such a network is requested, reject startup.

ethclient/taiko_api_test.go

@@ -69,10 +69,6 @@ func TestHeadL1Origin(t *testing.T) {
 		L2BlockHash:   headerHash,
 		L1BlockHeight: randomBigInt(),
 		L1BlockHash:   randomHash(),
-		BatchID:       nil,
-		EndOfBlock:    false,
-		EndOfPreconf:  false,
-		Preconfer:     common.Address{},
 	}
 
 	rawdb.WriteL1Origin(db, testL1Origin.BlockID, testL1Origin)
@@ -82,7 +78,6 @@ func TestHeadL1Origin(t *testing.T) {
 
 	require.Nil(t, err)
 	require.Equal(t, testL1Origin, l1OriginFound)
-	require.False(t, l1OriginFound.IsSoftBlock())
 }
 
 func TestL1OriginByID(t *testing.T) {
@@ -94,10 +89,6 @@ func TestL1OriginByID(t *testing.T) {
 		L2BlockHash:   headerHash,
 		L1BlockHeight: randomBigInt(),
 		L1BlockHash:   randomHash(),
-		BatchID:       common.Big1,
-		EndOfBlock:    false,
-		EndOfPreconf:  false,
-		Preconfer:     testAddr,
 	}
 
 	l1OriginFound, err := ec.L1OriginByID(context.Background(), testL1Origin.BlockID)
@@ -111,7 +102,6 @@ func TestL1OriginByID(t *testing.T) {
 
 	require.Nil(t, err)
 	require.Equal(t, testL1Origin, l1OriginFound)
-	require.True(t, l1OriginFound.IsSoftBlock())
 }
 
 // randomHash generates a random blob of data and returns it as a hash.

internal/flags/categories.go

@@ -37,8 +37,6 @@ const (
 	MiscCategory       = "MISC"
 	TestingCategory    = "TESTING"
 	DeprecatedCategory = "ALIASED (deprecated)"
-	// CHANGE(taiko): Add a new flag category for Taiko network
-	TaikoCategory = "TAIKO"
 )
 
 func init() {

params/config.go

@@ -300,7 +300,6 @@ var NetworkNames = map[string]string{
 	JolnirNetworkID.String():           "Taiko Alpha-5 L2 (Jolnir)",
 	KatlaNetworkID.String():            "Taiko Alpha-6 L2 (Katla)",
 	HeklaNetworkID.String():            "Taiko Alpha-7 L2 (Hekla)",
-	PreconfDevnetNetworkID.String():    "Taiko Preconfirmation Devnet",
 }
 
 // ChainConfig is the core config which determines the blockchain settings.

params/taiko_config.go

@@ -20,7 +20,6 @@ var (
 	JolnirNetworkID           = big.NewInt(167007)
 	KatlaNetworkID            = big.NewInt(167008)
 	HeklaNetworkID            = big.NewInt(167009)
-	PreconfDevnetNetworkID    = big.NewInt(167010)
 )
 
 var networkIDToChainConfig = map[*big.Int]*ChainConfig{
@@ -34,7 +33,6 @@ var networkIDToChainConfig = map[*big.Int]*ChainConfig{
 	JolnirNetworkID:            TaikoChainConfig,
 	KatlaNetworkID:             TaikoChainConfig,
 	HeklaNetworkID:             TaikoChainConfig,
-	PreconfDevnetNetworkID:     TaikoChainConfig,
 	MainnetChainConfig.ChainID: MainnetChainConfig,
 	SepoliaChainConfig.ChainID: SepoliaChainConfig,
 	TestChainConfig.ChainID:    TestChainConfig,