Merge pull request #6461 from ethereum-optimism/feat/sepolia-op-node-config

op-node: add sepolia config

op-node/chaincfg/chains.go

@@ -70,9 +70,40 @@ var Goerli = rollup.Config{
 	RegolithTime:           u64Ptr(1679079600),
 }
 
+var Sepolia = rollup.Config{
+	Genesis: rollup.Genesis{
+		L1: eth.BlockID{
+			Hash:   common.HexToHash("0x70e5634d09793b1cfaa7d0a2a5d3289a3b2308de1e82f682b4f817fc670f9797"),
+			Number: 3976708,
+		},
+		L2: eth.BlockID{
+			Hash:   common.HexToHash("0xfbfc64b34d705b0eb83ab8b2206c0da90a76e1ae54ae657c8cfbee0e802a9120"),
+			Number: 0,
+		},
+		L2Time: 1690493568,
+		SystemConfig: eth.SystemConfig{
+			BatcherAddr: common.HexToAddress("0x7431310e026b69bfc676c0013e12a1a11411eec9"),
+			Overhead:    eth.Bytes32(common.HexToHash("0x00000000000000000000000000000000000000000000000000000000000000bc")),
+			Scalar:      eth.Bytes32(common.HexToHash("0x00000000000000000000000000000000000000000000000000000000000a6fe0")),
+			GasLimit:    30000000,
+		},
+	},
+	BlockTime:              2,
+	MaxSequencerDrift:      600,
+	SeqWindowSize:          3600,
+	ChannelTimeout:         300,
+	L1ChainID:              big.NewInt(11155111),
+	L2ChainID:              big.NewInt(11155420),
+	BatchInboxAddress:      common.HexToAddress("0xff00000000000000000000000000000011155420"),
+	DepositContractAddress: common.HexToAddress("0x8f6452d842438c4e22ba18baa21652ff65530df4"),
+	L1SystemConfigAddress:  common.HexToAddress("0xf425ed544d2e1f1b7a8650d5897a7ccf43020791"),
+	RegolithTime:           u64Ptr(0),
+}
+
 var NetworksByName = map[string]rollup.Config{
 	"goerli":  Goerli,
 	"mainnet": Mainnet,
+	"sepolia": Sepolia,
 }
 
 var L2ChainIDToNetworkName = func() map[string]string {