add odyssey testnet (#33)

Signed-off-by: lutty <lutty@lutty.me>

cmd/utils/flags.go

@@ -622,6 +622,11 @@ var (
 		Usage:    "iliad test network: pre-configured proof-of-stake test network",
 		Category: flags.MiscCategory,
 	}
+	OdysseyFlag = &cli.BoolFlag{
+		Name:     "odyssey",
+		Usage:    "odyssey test network: pre-configured proof-of-stake test network",
+		Category: flags.MiscCategory,
+	}
 	LocalFlag = &cli.BoolFlag{
 		Name:     "local",
 		Usage:    "local test network: pre-configured local proof-of-stake test network",
@@ -984,6 +989,7 @@ var (
 		SepoliaFlag,
 		HoleskyFlag,
 		IliadFlag,
+		OdysseyFlag,
 		LocalFlag,
 	}
 	// NetworkFlags is the flag group of all built-in supported networks.
@@ -1017,6 +1023,9 @@ func MakeDataDir(ctx *cli.Context) string {
 		if ctx.Bool(IliadFlag.Name) {
 			return filepath.Join(path, "iliad")
 		}
+		if ctx.Bool(OdysseyFlag.Name) {
+			return filepath.Join(path, "odyssey")
+		}
 		if ctx.Bool(LocalFlag.Name) {
 			return filepath.Join(path, "local")
 		}
@@ -1084,6 +1093,8 @@ func setBootstrapNodes(ctx *cli.Context, cfg *p2p.Config) {
 			urls = params.GoerliBootnodes
 		case ctx.Bool(IliadFlag.Name):
 			urls = params.IliadBootnodes
+		case ctx.Bool(OdysseyFlag.Name):
+			urls = params.OdysseyBootnodes
 		case ctx.Bool(LocalFlag.Name):
 			urls = params.LocalBootnodes
 		}
@@ -1519,6 +1530,8 @@ func SetDataDir(ctx *cli.Context, cfg *node.Config) {
 		cfg.DataDir = filepath.Join(node.DefaultDataDir(), "holesky")
 	case ctx.Bool(IliadFlag.Name) && cfg.DataDir == node.DefaultDataDir():
 		cfg.DataDir = filepath.Join(node.DefaultDataDir(), "iliad")
+	case ctx.Bool(OdysseyFlag.Name) && cfg.DataDir == node.DefaultDataDir():
+		cfg.DataDir = filepath.Join(node.DefaultDataDir(), "odyssey")
 	case ctx.Bool(LocalFlag.Name) && cfg.DataDir == node.DefaultDataDir():
 		cfg.DataDir = filepath.Join(node.DefaultDataDir(), "local")
 	}
@@ -1676,7 +1689,7 @@ 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, GoerliFlag, SepoliaFlag, HoleskyFlag, IliadFlag, LocalFlag)
+	CheckExclusive(ctx, MainnetFlag, DeveloperFlag, GoerliFlag, SepoliaFlag, HoleskyFlag, IliadFlag, OdysseyFlag, LocalFlag)
 	CheckExclusive(ctx, DeveloperFlag, ExternalSignerFlag) // Can't use both ephemeral unlocked and external signer
 
 	// Set configurations from CLI flags
@@ -1857,6 +1870,12 @@ func SetEthConfig(ctx *cli.Context, stack *node.Node, cfg *ethconfig.Config) {
 		}
 		cfg.Genesis = core.DefaultIliadGenesisBlock()
 		SetDNSDiscoveryDefaults(cfg, params.IliadGenesisHash)
+	case ctx.Bool(OdysseyFlag.Name):
+		if !ctx.IsSet(NetworkIdFlag.Name) {
+			cfg.NetworkId = 1516
+		}
+		cfg.Genesis = core.DefaultOdysseyGenesisBlock()
+		SetDNSDiscoveryDefaults(cfg, params.OdysseyGenesisHash)
 	case ctx.Bool(LocalFlag.Name):
 		if !ctx.IsSet(NetworkIdFlag.Name) {
 			cfg.NetworkId = 1511
@@ -2187,6 +2206,8 @@ func MakeGenesis(ctx *cli.Context) *core.Genesis {
 		genesis = core.DefaultGoerliGenesisBlock()
 	case ctx.Bool(IliadFlag.Name):
 		genesis = core.DefaultIliadGenesisBlock()
+	case ctx.Bool(OdysseyFlag.Name):
+		genesis = core.DefaultOdysseyGenesisBlock()
 	case ctx.Bool(LocalFlag.Name):
 		genesis = core.DefaultLocalGenesisBlock()
 	case ctx.Bool(DeveloperFlag.Name):

core/genesis.go

@@ -595,6 +595,18 @@ func DefaultIliadGenesisBlock() *Genesis {
 	}
 }
 
+// DefaultOdysseyGenesisBlock returns the odyssey network genesis block.
+func DefaultOdysseyGenesisBlock() *Genesis {
+	return &Genesis{
+		Config:     params.OdysseyChainConfig,
+		Difficulty: big.NewInt(0x20000),
+		GasLimit:   0x7A1200,
+		Nonce:      0x42,
+		Timestamp:  0,
+		Alloc:      decodePrealloc(odysseyAllocData),
+	}
+}
+
 // DefaultLocalGenesisBlock returns the network genesis block for local testing.
 func DefaultLocalGenesisBlock() *Genesis {
 	return &Genesis{

params/bootnodes.go

@@ -58,6 +58,14 @@ var IliadBootnodes = []string{
 	"enode://3bae9a46ddf39b805f678dd8ba8624c28285417d4bdbf5212234ee83a4cf94335bfd32b449a37bcf39b609208f8556ce42d6ee60c657f2a75b893350c1bd347f@b2.testnet.storyrpc.io:30303",
 }
 
+// OdysseyBootnodes are the enode URLs of the P2P bootstrap nodes running on the
+// Odyssey test network.
+var OdysseyBootnodes = []string{
+	// Upstream bootnodes
+	"enode://077aa94a5bf388adda35e0d5a7bd8cb5e9741ea5c18381fd14b16018e112497b7c0a400f50677deb4271af3bc0a1b74f093067a398257b76e3a0d7387a432110@b1.odyssey-testnet.storyrpc.io:30303",
+	"enode://298bc05889e120e50e7a344e31adb72901caaff9e747b3e8f57c5786e6167452857cbd0ff7d5e0f849a8dfd26efcc3da1795e28d7cb05d120e97a89e79ec4b18@b2.odyssey-testnet.storyrpc.io:30303",
+}
+
 // GoerliBootnodes are the enode URLs of the P2P bootstrap nodes running on the
 // Görli test network.
 var GoerliBootnodes = []string{

params/config.go

@@ -31,6 +31,7 @@ var (
 	SepoliaGenesisHash = common.HexToHash("0x25a5cc106eea7138acab33231d7160d69cb777ee0c2c553fcddf5138993e6dd9")
 	GoerliGenesisHash  = common.HexToHash("0xbf7e331f7f7c1dd2e05159666b3bf8bc7a8a3a9eb1d518969eab529dd9b88c1a")
 	IliadGenesisHash   = common.HexToHash("0xf5ebc6f0982e8bf7fd532b3f959f84d12b3dedd2827af8d31f5389447bedafc6")
+	OdysseyGenesisHash = common.HexToHash("0xf5ebc6f0982e8bf7fd532b3f959f84d12b3dedd2827af8d31f5389447bedafc6")
 	LocalGenesisHash   = common.HexToHash("0x8f3fc56b0dc3a009e6771da99ff737900da84b9aeae15d1bae225cc8b4dbbdc3")
 )
 
@@ -165,6 +166,26 @@ var (
 		Enable4844:                    false,
 	}
 
+	OdysseyChainConfig = &ChainConfig{
+		ChainID:                       big.NewInt(1516),
+		HomesteadBlock:                big.NewInt(0),
+		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),
+		BerlinBlock:                   big.NewInt(0),
+		LondonBlock:                   big.NewInt(0),
+		ArrowGlacierBlock:             big.NewInt(0),
+		GrayGlacierBlock:              big.NewInt(0),
+		TerminalTotalDifficulty:       big.NewInt(0),
+		TerminalTotalDifficultyPassed: true,
+		ShanghaiTime:                  newUint64(0),
+		CancunTime:                    newUint64(0),
+	}
+
 	LocalChainConfig = &ChainConfig{
 		ChainID:                       big.NewInt(1511),
 		HomesteadBlock:                big.NewInt(0),