Add Scroll bootnode config (#261)

* add Scroll bootnode config

* expose scroll networks on node CLI

* add alpha genesis config

* fix scroll genesis config

* update default sync mode

* address todos

* remove scroll staging network

* bump version

* update genesis config

* bump version

cmd/geth/chaincmd.go

@@ -70,6 +70,7 @@ It expects the genesis file as argument.`,
 			utils.SepoliaFlag,
 			utils.RinkebyFlag,
 			utils.GoerliFlag,
+			utils.ScrollAlphaFlag,
 		},
 		Category: "BLOCKCHAIN COMMANDS",
 		Description: `

cmd/geth/consolecmd.go

@@ -137,6 +137,8 @@ func remoteConsole(ctx *cli.Context) error {
 				path = filepath.Join(path, "goerli")
 			} else if ctx.GlobalBool(utils.SepoliaFlag.Name) {
 				path = filepath.Join(path, "sepolia")
+			} else if ctx.GlobalBool(utils.ScrollAlphaFlag.Name) {
+				path = filepath.Join(path, "scroll-alpha")
 			}
 		}
 		endpoint = fmt.Sprintf("%s/geth.ipc", path)

cmd/geth/dbcmd.go

@@ -85,6 +85,7 @@ Remove blockchain and state databases`,
 			utils.SepoliaFlag,
 			utils.RinkebyFlag,
 			utils.GoerliFlag,
+			utils.ScrollAlphaFlag,
 		},
 		Usage:       "Inspect the storage size for each type of data in the database",
 		Description: `This commands iterates the entire database. If the optional 'prefix' and 'start' arguments are provided, then the iteration is limited to the given subset of data.`,
@@ -101,6 +102,7 @@ Remove blockchain and state databases`,
 			utils.SepoliaFlag,
 			utils.RinkebyFlag,
 			utils.GoerliFlag,
+			utils.ScrollAlphaFlag,
 		},
 	}
 	dbCompactCmd = cli.Command{
@@ -115,6 +117,7 @@ Remove blockchain and state databases`,
 			utils.SepoliaFlag,
 			utils.RinkebyFlag,
 			utils.GoerliFlag,
+			utils.ScrollAlphaFlag,
 			utils.CacheFlag,
 			utils.CacheDatabaseFlag,
 		},
@@ -135,6 +138,7 @@ corruption if it is aborted during execution'!`,
 			utils.SepoliaFlag,
 			utils.RinkebyFlag,
 			utils.GoerliFlag,
+			utils.ScrollAlphaFlag,
 		},
 		Description: "This command looks up the specified database key from the database.",
 	}
@@ -151,6 +155,7 @@ corruption if it is aborted during execution'!`,
 			utils.SepoliaFlag,
 			utils.RinkebyFlag,
 			utils.GoerliFlag,
+			utils.ScrollAlphaFlag,
 		},
 		Description: `This command deletes the specified database key from the database. 
 WARNING: This is a low-level operation which may cause database corruption!`,
@@ -168,6 +173,7 @@ WARNING: This is a low-level operation which may cause database corruption!`,
 			utils.SepoliaFlag,
 			utils.RinkebyFlag,
 			utils.GoerliFlag,
+			utils.ScrollAlphaFlag,
 		},
 		Description: `This command sets a given database key to the given value. 
 WARNING: This is a low-level operation which may cause database corruption!`,
@@ -185,6 +191,7 @@ WARNING: This is a low-level operation which may cause database corruption!`,
 			utils.SepoliaFlag,
 			utils.RinkebyFlag,
 			utils.GoerliFlag,
+			utils.ScrollAlphaFlag,
 		},
 		Description: "This command looks up the specified database key from the database.",
 	}
@@ -201,6 +208,7 @@ WARNING: This is a low-level operation which may cause database corruption!`,
 			utils.SepoliaFlag,
 			utils.RinkebyFlag,
 			utils.GoerliFlag,
+			utils.ScrollAlphaFlag,
 		},
 		Description: "This command displays information about the freezer index.",
 	}
@@ -216,6 +224,7 @@ WARNING: This is a low-level operation which may cause database corruption!`,
 			utils.RopstenFlag,
 			utils.RinkebyFlag,
 			utils.GoerliFlag,
+			utils.ScrollAlphaFlag,
 		},
 		Description: "The import command imports the specific chain data from an RLP encoded stream.",
 	}
@@ -231,6 +240,7 @@ WARNING: This is a low-level operation which may cause database corruption!`,
 			utils.RopstenFlag,
 			utils.RinkebyFlag,
 			utils.GoerliFlag,
+			utils.ScrollAlphaFlag,
 		},
 		Description: "Exports the specified chain data to an RLP encoded stream, optionally gzip-compressed.",
 	}

cmd/geth/main.go

@@ -145,6 +145,7 @@ var (
 		utils.SepoliaFlag,
 		utils.RinkebyFlag,
 		utils.GoerliFlag,
+		utils.ScrollAlphaFlag,
 		utils.VMEnableDebugFlag,
 		utils.NetworkIdFlag,
 		utils.EthStatsURLFlag,
@@ -279,6 +280,9 @@ func prepare(ctx *cli.Context) {
 	case ctx.GlobalIsSet(utils.GoerliFlag.Name):
 		log.Info("Starting Geth on Görli testnet...")
 
+	case ctx.GlobalIsSet(utils.ScrollAlphaFlag.Name):
+		log.Info("Starting l2geth on Scroll Alpha testnet...")
+
 	case ctx.GlobalIsSet(utils.DeveloperFlag.Name):
 		log.Info("Starting Geth in ephemeral dev mode...")
 
@@ -288,7 +292,7 @@ func prepare(ctx *cli.Context) {
 	// If we're a full node on mainnet without --cache specified, bump default cache allowance
 	if ctx.GlobalString(utils.SyncModeFlag.Name) != "light" && !ctx.GlobalIsSet(utils.CacheFlag.Name) && !ctx.GlobalIsSet(utils.NetworkIdFlag.Name) {
 		// Make sure we're not on any supported preconfigured testnet either
-		if !ctx.GlobalIsSet(utils.RopstenFlag.Name) && !ctx.GlobalIsSet(utils.RinkebyFlag.Name) && !ctx.GlobalIsSet(utils.GoerliFlag.Name) && !ctx.GlobalIsSet(utils.DeveloperFlag.Name) {
+		if !ctx.GlobalIsSet(utils.RopstenFlag.Name) && !ctx.GlobalIsSet(utils.RinkebyFlag.Name) && !ctx.GlobalIsSet(utils.GoerliFlag.Name) && !ctx.GlobalIsSet(utils.ScrollAlphaFlag.Name) && !ctx.GlobalIsSet(utils.DeveloperFlag.Name) {
 			// Nope, we're really on mainnet. Bump that cache up!
 			log.Info("Bumping default cache on mainnet", "provided", ctx.GlobalInt(utils.CacheFlag.Name), "updated", 4096)
 			ctx.GlobalSet(utils.CacheFlag.Name, strconv.Itoa(4096))

cmd/geth/snapshot.go

@@ -66,6 +66,7 @@ var (
 					utils.SepoliaFlag,
 					utils.RinkebyFlag,
 					utils.GoerliFlag,
+					utils.ScrollAlphaFlag,
 					utils.CacheTrieJournalFlag,
 					utils.BloomFilterSizeFlag,
 				},
@@ -97,6 +98,7 @@ the trie clean cache with default directory will be deleted.
 					utils.SepoliaFlag,
 					utils.RinkebyFlag,
 					utils.GoerliFlag,
+					utils.ScrollAlphaFlag,
 				},
 				Description: `
 geth snapshot verify-state <state-root>
@@ -118,6 +120,7 @@ In other words, this command does the snapshot to trie conversion.
 					utils.SepoliaFlag,
 					utils.RinkebyFlag,
 					utils.GoerliFlag,
+					utils.ScrollAlphaFlag,
 				},
 				Description: `
 geth snapshot traverse-state <state-root>
@@ -141,6 +144,7 @@ It's also usable without snapshot enabled.
 					utils.SepoliaFlag,
 					utils.RinkebyFlag,
 					utils.GoerliFlag,
+					utils.ScrollAlphaFlag,
 				},
 				Description: `
 geth snapshot traverse-rawstate <state-root>
@@ -165,6 +169,7 @@ It's also usable without snapshot enabled.
 					utils.SepoliaFlag,
 					utils.RinkebyFlag,
 					utils.GoerliFlag,
+					utils.ScrollAlphaFlag,
 					utils.ExcludeCodeFlag,
 					utils.ExcludeStorageFlag,
 					utils.StartKeyFlag,

cmd/geth/usage.go

@@ -47,6 +47,7 @@ var AppHelpFlagGroups = []flags.FlagGroup{
 			utils.RinkebyFlag,
 			utils.RopstenFlag,
 			utils.SepoliaFlag,
+			utils.ScrollAlphaFlag,
 			utils.SyncModeFlag,
 			utils.ExitWhenSyncedFlag,
 			utils.GCModeFlag,

cmd/utils/flags.go

@@ -160,6 +160,10 @@ var (
 		Name:  "sepolia",
 		Usage: "Sepolia network: pre-configured proof-of-work test network",
 	}
+	ScrollAlphaFlag = cli.BoolFlag{
+		Name:  "scroll-alpha",
+		Usage: "Scroll Alpha test network",
+	}
 	DeveloperFlag = cli.BoolFlag{
 		Name:  "dev",
 		Usage: "Ephemeral proof-of-authority network with a pre-funded developer account, mining enabled",
@@ -811,6 +815,9 @@ func MakeDataDir(ctx *cli.Context) string {
 		if ctx.GlobalBool(SepoliaFlag.Name) {
 			return filepath.Join(path, "sepolia")
 		}
+		if ctx.GlobalBool(ScrollAlphaFlag.Name) {
+			return filepath.Join(path, "scroll-alpha")
+		}
 		return path
 	}
 	Fatalf("Cannot determine default data directory, please set manually (--datadir)")
@@ -865,6 +872,8 @@ func setBootstrapNodes(ctx *cli.Context, cfg *p2p.Config) {
 		urls = params.RinkebyBootnodes
 	case ctx.GlobalBool(GoerliFlag.Name):
 		urls = params.GoerliBootnodes
+	case ctx.GlobalBool(ScrollAlphaFlag.Name):
+		urls = params.ScrollAlphaBootnodes
 	case cfg.BootstrapNodes != nil:
 		return // already set, don't apply defaults.
 	}
@@ -1286,6 +1295,8 @@ func setDataDir(ctx *cli.Context, cfg *node.Config) {
 		cfg.DataDir = filepath.Join(node.DefaultDataDir(), "goerli")
 	case ctx.GlobalBool(SepoliaFlag.Name) && cfg.DataDir == node.DefaultDataDir():
 		cfg.DataDir = filepath.Join(node.DefaultDataDir(), "sepolia")
+	case ctx.GlobalBool(ScrollAlphaFlag.Name) && cfg.DataDir == node.DefaultDataDir():
+		cfg.DataDir = filepath.Join(node.DefaultDataDir(), "scroll-alpha")
 	}
 }
 
@@ -1471,7 +1482,7 @@ func CheckExclusive(ctx *cli.Context, args ...interface{}) {
 // SetEthConfig applies eth-related command line flags to the config.
 func SetEthConfig(ctx *cli.Context, stack *node.Node, cfg *ethconfig.Config) {
 	// Avoid conflicting network flags
-	CheckExclusive(ctx, MainnetFlag, DeveloperFlag, RopstenFlag, RinkebyFlag, GoerliFlag, SepoliaFlag)
+	CheckExclusive(ctx, MainnetFlag, DeveloperFlag, RopstenFlag, RinkebyFlag, GoerliFlag, SepoliaFlag, ScrollAlphaFlag)
 	CheckExclusive(ctx, LightServeFlag, SyncModeFlag, "light")
 	CheckExclusive(ctx, DeveloperFlag, ExternalSignerFlag) // Can't use both ephemeral unlocked and external signer
 	if ctx.GlobalString(GCModeFlag.Name) == "archive" && ctx.GlobalUint64(TxLookupLimitFlag.Name) != 0 {
@@ -1633,6 +1644,12 @@ func SetEthConfig(ctx *cli.Context, stack *node.Node, cfg *ethconfig.Config) {
 		}
 		cfg.Genesis = core.DefaultGoerliGenesisBlock()
 		SetDNSDiscoveryDefaults(cfg, params.GoerliGenesisHash)
+	case ctx.GlobalBool(ScrollAlphaFlag.Name):
+		if !ctx.GlobalIsSet(NetworkIdFlag.Name) {
+			cfg.NetworkId = 534353
+		}
+		cfg.Genesis = core.DefaultScrollAlphaGenesisBlock()
+		// SetDNSDiscoveryDefaults(cfg, params.ScrollAlphaGenesisHash)
 	case ctx.GlobalBool(DeveloperFlag.Name):
 		if !ctx.GlobalIsSet(NetworkIdFlag.Name) {
 			cfg.NetworkId = 1337
@@ -1855,6 +1872,8 @@ func MakeGenesis(ctx *cli.Context) *core.Genesis {
 		genesis = core.DefaultRinkebyGenesisBlock()
 	case ctx.GlobalBool(GoerliFlag.Name):
 		genesis = core.DefaultGoerliGenesisBlock()
+	case ctx.GlobalBool(ScrollAlphaFlag.Name):
+		genesis = core.DefaultScrollAlphaGenesisBlock()
 	case ctx.GlobalBool(DeveloperFlag.Name):
 		Fatalf("Developer chains are ephemeral")
 	}

core/genesis.go

@@ -435,6 +435,18 @@ func DefaultSepoliaGenesisBlock() *Genesis {
 	}
 }
 
+// DefaultScrollAlphaGenesisBlock returns the Scroll Alpha network genesis block.
+func DefaultScrollAlphaGenesisBlock() *Genesis {
+	return &Genesis{
+		Config:     params.ScrollAlphaChainConfig,
+		Timestamp:  0x63f67207,
+		ExtraData:  hexutil.MustDecode("0x0000000000000000000000000000000000000000000000000000000000000000b7C0c58702D0781C0e2eB3aaE301E4c340073448Ec9c139eFCBBe6323DA406fffBF4Db02a60A9720589c71deC4302fE718bE62350c174922782Cc6600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"),
+		GasLimit:   8000000,
+		Difficulty: big.NewInt(1),
+		Alloc:      decodePrealloc(scrollAlphaAllocData),
+	}
+}
+
 // DeveloperGenesisBlock returns the 'geth --dev' genesis block.
 func DeveloperGenesisBlock(period uint64, gasLimit uint64, faucet common.Address) *Genesis {
 	// Override the default period to the user requested one
@@ -467,7 +479,40 @@ func DeveloperGenesisBlock(period uint64, gasLimit uint64, faucet common.Address
 	}
 }
 
+// decodePrealloc does not support code and storage in prealloc config,
+// so we provide an alternative implementation here.
+func decodePreallocScroll(data string) (GenesisAlloc, error) {
+	var p []struct {
+		Addr, Balance *big.Int
+		Code          []byte
+		Storage       []struct{ Key, Value *big.Int }
+	}
+
+	if err := rlp.NewStream(strings.NewReader(data), 0).Decode(&p); err != nil {
+		return nil, err
+	}
+	ga := make(GenesisAlloc, len(p))
+
+	for _, account := range p {
+		s := make(map[common.Hash]common.Hash)
+		for _, entry := range account.Storage {
+			s[common.BigToHash(entry.Key)] = common.BigToHash(entry.Value)
+		}
+
+		ga[common.BigToAddress(account.Addr)] = GenesisAccount{
+			Balance: account.Balance,
+			Code:    account.Code,
+			Storage: s,
+		}
+	}
+
+	return ga, nil
+}
+
 func decodePrealloc(data string) GenesisAlloc {
+	if ga, err := decodePreallocScroll(data); err == nil {
+		return ga
+	}
 	var p []struct{ Addr, Balance *big.Int }
 	if err := rlp.NewStream(strings.NewReader(data), 0).Decode(&p); err != nil {
 		panic(err)

core/genesis_test.go

@@ -161,29 +161,30 @@ func TestSetupGenesis(t *testing.T) {
 	}
 }
 
-// // TestGenesisHashes checks the congruity of default genesis data to
-// // corresponding hardcoded genesis hash values.
-// func TestGenesisHashes(t *testing.T) {
-// 	for i, c := range []struct {
-// 		genesis *Genesis
-// 		want    common.Hash
-// 	}{
-// 		{DefaultGenesisBlock(), params.MainnetGenesisHash},
-// 		{DefaultGoerliGenesisBlock(), params.GoerliGenesisHash},
-// 		{DefaultRopstenGenesisBlock(), params.RopstenGenesisHash},
-// 		{DefaultRinkebyGenesisBlock(), params.RinkebyGenesisHash},
-// 		{DefaultSepoliaGenesisBlock(), params.SepoliaGenesisHash},
-// 	} {
-// 		// Test via MustCommit
-// 		if have := c.genesis.MustCommit(rawdb.NewMemoryDatabase()).Hash(); have != c.want {
-// 			t.Errorf("case: %d a), want: %s, got: %s", i, c.want.Hex(), have.Hex())
-// 		}
-// 		// Test via ToBlock
-// 		if have := c.genesis.ToBlock(nil).Hash(); have != c.want {
-// 			t.Errorf("case: %d a), want: %s, got: %s", i, c.want.Hex(), have.Hex())
-// 		}
-// 	}
-// }
+// TestGenesisHashes checks the congruity of default genesis data to
+// corresponding hardcoded genesis hash values.
+func TestGenesisHashes(t *testing.T) {
+	for i, c := range []struct {
+		genesis *Genesis
+		want    common.Hash
+	}{
+		// {DefaultGenesisBlock(), params.MainnetGenesisHash},
+		// {DefaultGoerliGenesisBlock(), params.GoerliGenesisHash},
+		// {DefaultRopstenGenesisBlock(), params.RopstenGenesisHash},
+		// {DefaultRinkebyGenesisBlock(), params.RinkebyGenesisHash},
+		// {DefaultSepoliaGenesisBlock(), params.SepoliaGenesisHash},
+		{DefaultScrollAlphaGenesisBlock(), params.ScrollAlphaGenesisHash},
+	} {
+		// Test via MustCommit
+		if have := c.genesis.MustCommit(rawdb.NewMemoryDatabase()).Hash(); have != c.want {
+			t.Errorf("case: %d a), want: %s, got: %s", i, c.want.Hex(), have.Hex())
+		}
+		// Test via ToBlock
+		if have := c.genesis.ToBlock(nil).Hash(); have != c.want {
+			t.Errorf("case: %d a), want: %s, got: %s", i, c.want.Hex(), have.Hex())
+		}
+	}
+}
 
 func TestGenesis_Commit(t *testing.T) {
 	genesis := &Genesis{

core/mkalloc.go

@@ -37,7 +37,14 @@ import (
 	"github.com/scroll-tech/go-ethereum/rlp"
 )
 
-type allocItem struct{ Addr, Balance *big.Int }
+type storageItem struct{ Key, Value *big.Int }
+type storageList []storageItem
+
+type allocItem struct {
+	Addr, Balance *big.Int
+	Code          []byte
+	Storage       storageList
+}
 
 type allocList []allocItem
 
@@ -48,11 +55,17 @@ func (a allocList) Swap(i, j int)      { a[i], a[j] = a[j], a[i] }
 func makelist(g *core.Genesis) allocList {
 	a := make(allocList, 0, len(g.Alloc))
 	for addr, account := range g.Alloc {
-		if len(account.Storage) > 0 || len(account.Code) > 0 || account.Nonce != 0 {
+		if account.Nonce != 0 {
 			panic(fmt.Sprintf("can't encode account %x", addr))
 		}
 		bigAddr := new(big.Int).SetBytes(addr.Bytes())
-		a = append(a, allocItem{bigAddr, account.Balance})
+
+		s := make(storageList, 0, len(account.Storage))
+		for key, value := range account.Storage {
+			s = append(s, storageItem{Key: new(big.Int).SetBytes(key.Bytes()), Value: new(big.Int).SetBytes(value.Bytes())})
+		}
+
+		a = append(a, allocItem{bigAddr, account.Balance, account.Code, s})
 	}
 	sort.Sort(a)
 	return a

eth/ethconfig/config.go

@@ -61,7 +61,7 @@ var LightClientGPO = gasprice.Config{
 
 // Defaults contains default settings for use on the Ethereum main net.
 var Defaults = Config{
-	SyncMode: downloader.SnapSync,
+	SyncMode: downloader.FullSync,
 	Ethash: ethash.Config{
 		CacheDir:         "ethash",
 		CachesInMem:      2,

params/bootnodes.go

@@ -76,6 +76,13 @@ var GoerliBootnodes = []string{
 	"enode://a59e33ccd2b3e52d578f1fbd70c6f9babda2650f0760d6ff3b37742fdcdfdb3defba5d56d315b40c46b70198c7621e63ffa3f987389c7118634b0fefbbdfa7fd@51.15.119.157:40303",
 }
 
+// ScrollAlphaBootnodes are the enode URLs of the P2P bootstrap nodes running on the Scroll Alpha test network.
+var ScrollAlphaBootnodes = []string{
+	"enode://996a655365e731321ca35636f5a62fdf37c0b75dc56a8832c472d077da5af47effe45874196268f6083b8f65e1a9589ed25015f68f47598c7bcc93ac8ea29e8a@35.85.116.190:30303",
+	"enode://a4e90d8108bbcd8b13066567c786f800812a9b6b3eeb92947e64edd19ac9231bf371da1a86796af2ccd7b7e781218ebbe2d04130d63f7b3f25d6372a706fc022@44.224.134.190:30303",
+	"enode://cf85bfa5828239b1f6b21758579ee8aaaba2a1fb4c658d6967c5f7ed4f040d95dee5b5cef0c77d656a191f6b0875dd03f05b30a3b2b3e15bfcf18b500d8f634c@35.155.117.77:30303",
+}
+
 var V5Bootnodes = []string{
 	// Teku team's bootnode
 	"enr:-KG4QOtcP9X1FbIMOe17QNMKqDxCpm14jcX5tiOE4_TyMrFqbmhPZHK_ZPG2Gxb1GE2xdtodOfx9-cgvNtxnRyHEmC0ghGV0aDKQ9aX9QgAAAAD__________4JpZIJ2NIJpcIQDE8KdiXNlY3AyNTZrMaEDhpehBDbZjM_L9ek699Y7vhUJ-eAdMyQW_Fil522Y0fODdGNwgiMog3VkcIIjKA",

params/config.go

@@ -28,11 +28,12 @@ import (
 
 // Genesis hashes to enforce below configs on.
 var (
-	MainnetGenesisHash = common.HexToHash("0xd4e56740f876aef8c010b86a40d5f56745a118d0906a34e69aec8c0db1cb8fa3")
-	RopstenGenesisHash = common.HexToHash("0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d")
-	SepoliaGenesisHash = common.HexToHash("0x25a5cc106eea7138acab33231d7160d69cb777ee0c2c553fcddf5138993e6dd9")
-	RinkebyGenesisHash = common.HexToHash("0x6341fd3daf94b748c72ced5a5b26028f2474f5f00d824504e4fa37a75767e177")
-	GoerliGenesisHash  = common.HexToHash("0xbf7e331f7f7c1dd2e05159666b3bf8bc7a8a3a9eb1d518969eab529dd9b88c1a")
+	MainnetGenesisHash     = common.HexToHash("0xd4e56740f876aef8c010b86a40d5f56745a118d0906a34e69aec8c0db1cb8fa3")
+	RopstenGenesisHash     = common.HexToHash("0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d")
+	SepoliaGenesisHash     = common.HexToHash("0x25a5cc106eea7138acab33231d7160d69cb777ee0c2c553fcddf5138993e6dd9")
+	RinkebyGenesisHash     = common.HexToHash("0x6341fd3daf94b748c72ced5a5b26028f2474f5f00d824504e4fa37a75767e177")
+	GoerliGenesisHash      = common.HexToHash("0xbf7e331f7f7c1dd2e05159666b3bf8bc7a8a3a9eb1d518969eab529dd9b88c1a")
+	ScrollAlphaGenesisHash = common.HexToHash("0xa4fc62b9b0643e345bdcebe457b3ae898bef59c7203c3db269200055e037afda")
 )
 
 // TrustedCheckpoints associates each known checkpoint with the genesis hash of
@@ -253,6 +254,39 @@ var (
 		Threshold: 2,
 	}
 
+	// ScrollAlphaChainConfig contains the chain parameters to run a node on the Scroll Alpha test network.
+	ScrollFeeVaultAddress = common.HexToAddress("0x5300000000000000000000000000000000000005")
+	ScrollMaxTxPerBlock   = 44
+
+	ScrollAlphaChainConfig = &ChainConfig{
+		ChainID:             big.NewInt(534353),
+		HomesteadBlock:      big.NewInt(0),
+		DAOForkBlock:        nil,
+		DAOForkSupport:      true,
+		EIP150Block:         big.NewInt(0),
+		EIP155Block:         big.NewInt(0),
+		EIP158Block:         big.NewInt(0),
+		ByzantiumBlock:      big.NewInt(0),
+		ConstantinopleBlock: big.NewInt(0),
+		PetersburgBlock:     big.NewInt(0),
+		IstanbulBlock:       big.NewInt(0),
+		MuirGlacierBlock:    nil,
+		BerlinBlock:         big.NewInt(0),
+		LondonBlock:         big.NewInt(0),
+		ArrowGlacierBlock:   nil,
+		Clique: &CliqueConfig{
+			Period: 3,
+			Epoch:  30000,
+		},
+		Scroll: ScrollConfig{
+			UseZktrie:       true,
+			MaxTxPerBlock:   &ScrollMaxTxPerBlock,
+			FeeVaultAddress: &ScrollFeeVaultAddress,
+			EnableEIP2718:   false,
+			EnableEIP1559:   false,
+		},
+	}
+
 	// AllEthashProtocolChanges contains every protocol change (EIPs) introduced
 	// and accepted by the Ethereum core developers into the Ethash consensus.
 	//

params/version.go

@@ -24,7 +24,7 @@ import (
 const (
 	VersionMajor = 3       // Major version component of the current release
 	VersionMinor = 1       // Minor version component of the current release
-	VersionPatch = 3       // Patch version component of the current release
+	VersionPatch = 4       // Patch version component of the current release
 	VersionMeta  = "alpha" // Version metadata to append to the version string
 )