cmd/*, core, params: add ottoman testnet

cmd/geth/main.go

@@ -110,6 +110,7 @@ var (
 		utils.DeveloperPeriodFlag,
 		utils.TestnetFlag,
 		utils.RinkebyFlag,
+		utils.OttomanFlag,
 		utils.VMEnableDebugFlag,
 		utils.NetworkIdFlag,
 		utils.RPCCORSDomainFlag,

cmd/geth/usage.go

@@ -74,6 +74,7 @@ var AppHelpFlagGroups = []flagGroup{
 			utils.NetworkIdFlag,
 			utils.TestnetFlag,
 			utils.RinkebyFlag,
+			utils.OttomanFlag,
 			utils.SyncModeFlag,
 			utils.GCModeFlag,
 			utils.EthStatsURLFlag,

cmd/utils/flags.go

@@ -128,7 +128,7 @@ var (
 	}
 	NetworkIdFlag = cli.Uint64Flag{
 		Name:  "networkid",
-		Usage: "Network identifier (integer, 1=Frontier, 2=Morden (disused), 3=Ropsten, 4=Rinkeby)",
+		Usage: "Network identifier (integer, 1=Frontier, 2=Morden (disused), 3=Ropsten, 4=Rinkeby, 5=Ottoman)",
 		Value: eth.DefaultConfig.NetworkId,
 	}
 	TestnetFlag = cli.BoolFlag{
@@ -143,6 +143,10 @@ var (
 		Name:  "dev",
 		Usage: "Ephemeral proof-of-authority network with a pre-funded developer account, mining enabled",
 	}
+	OttomanFlag = cli.BoolFlag{
+		Name:  "ottoman",
+		Usage: "Ottoman network: pre-configured istanbul bft test network",
+	}
 	DeveloperPeriodFlag = cli.IntFlag{
 		Name:  "dev.period",
 		Usage: "Block period to use in developer mode (0 = mine only if transaction pending)",
@@ -557,6 +561,9 @@ func MakeDataDir(ctx *cli.Context) string {
 		if ctx.GlobalBool(RinkebyFlag.Name) {
 			return filepath.Join(path, "rinkeby")
 		}
+		if ctx.GlobalBool(OttomanFlag.Name) {
+			return filepath.Join(path, "ottoman")
+		}
 		return path
 	}
 	Fatalf("Cannot determine default data directory, please set manually (--datadir)")
@@ -611,6 +618,8 @@ func setBootstrapNodes(ctx *cli.Context, cfg *p2p.Config) {
 		urls = params.TestnetBootnodes
 	case ctx.GlobalBool(RinkebyFlag.Name):
 		urls = params.RinkebyBootnodes
+	case ctx.GlobalBool(OttomanFlag.Name):
+		urls = params.OttomanBootnodes
 	case cfg.BootstrapNodes != nil:
 		return // already set, don't apply defaults.
 	}
@@ -897,6 +906,8 @@ func SetNodeConfig(ctx *cli.Context, cfg *node.Config) {
 		cfg.DataDir = filepath.Join(node.DefaultDataDir(), "testnet")
 	case ctx.GlobalBool(RinkebyFlag.Name):
 		cfg.DataDir = filepath.Join(node.DefaultDataDir(), "rinkeby")
+	case ctx.GlobalBool(OttomanFlag.Name):
+		cfg.DataDir = filepath.Join(node.DefaultDataDir(), "ottoman")
 	}
 
 	if ctx.GlobalIsSet(KeyStoreDirFlag.Name) {
@@ -1033,7 +1044,7 @@ func SetShhConfig(ctx *cli.Context, stack *node.Node, cfg *whisper.Config) {
 // SetEthConfig applies eth-related command line flags to the config.
 func SetEthConfig(ctx *cli.Context, stack *node.Node, cfg *eth.Config) {
 	// Avoid conflicting network flags
-	checkExclusive(ctx, DeveloperFlag, TestnetFlag, RinkebyFlag)
+	checkExclusive(ctx, DeveloperFlag, TestnetFlag, RinkebyFlag, OttomanFlag)
 	checkExclusive(ctx, FastSyncFlag, LightModeFlag, SyncModeFlag)
 	checkExclusive(ctx, LightServFlag, LightModeFlag)
 	checkExclusive(ctx, LightServFlag, SyncModeFlag, "light")
@@ -1128,6 +1139,11 @@ func SetEthConfig(ctx *cli.Context, stack *node.Node, cfg *eth.Config) {
 		if !ctx.GlobalIsSet(GasPriceFlag.Name) {
 			cfg.GasPrice = big.NewInt(1)
 		}
+	case ctx.GlobalBool(OttomanFlag.Name):
+		if !ctx.GlobalIsSet(NetworkIdFlag.Name) {
+			cfg.NetworkId = 5
+		}
+		cfg.Genesis = core.DefaultOttomanGenesisBlock()
 	}
 	// TODO(fjl): move trie cache generations into config
 	if gen := ctx.GlobalInt(TrieCacheGenFlag.Name); gen > 0 {
@@ -1229,6 +1245,8 @@ func MakeGenesis(ctx *cli.Context) *core.Genesis {
 		genesis = core.DefaultRinkebyGenesisBlock()
 	case ctx.GlobalBool(DeveloperFlag.Name):
 		Fatalf("Developer chains are ephemeral")
+	case ctx.GlobalBool(OttomanFlag.Name):
+		genesis = core.DefaultOttomanGenesisBlock()
 	}
 	return genesis
 }

core/genesis.go

@@ -344,6 +344,19 @@ func DefaultRinkebyGenesisBlock() *Genesis {
 	}
 }
 
+// DefaultOttomanGenesisBlock returns the Ottoman network genesis block.
+func DefaultOttomanGenesisBlock() *Genesis {
+	return &Genesis{
+		Config:     params.OttomanChainConfig,
+		Timestamp:  1496993285,
+		ExtraData:  hexutil.MustDecode("0x0000000000000000000000000000000000000000000000000000000000000000f89af85494475cc98b5521ab2a1335683e7567c8048bfe79ed9407d8299de61faed3686ba4c4e6c3b9083d7e2371944fe035ce99af680d89e2c4d73aca01dbfc1bd2fd94dc421209441a754f79c4a4ecd2b49c935aad0312b8410000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000c0"),
+		GasLimit:   4700000,
+		Difficulty: big.NewInt(1),
+		Mixhash:    common.HexToHash("0x63746963616c2062797a616e74696e65206661756c7420746f6c6572616e6365"),
+		Alloc:      decodePrealloc(ottomanAllocData),
+	}
+}
+
 // DeveloperGenesisBlock returns the 'geth --dev' genesis block. Note, this must
 // be seeded with the
 func DeveloperGenesisBlock(period uint64, faucet common.Address) *Genesis {

params/bootnodes.go

@@ -47,6 +47,15 @@ var RinkebyBootnodes = []string{
 	"enode://b6b28890b006743680c52e64e0d16db57f28124885595fa03a562be1d2bf0f3a1da297d56b13da25fb992888fd556d4c1a27b1f39d531bde7de1921c90061cc6@159.89.28.211:30303", // AKASHA
 }
 
+// Ottoman are the enode URLs of the P2P bootstrap nodes running on the
+// Ottoman test network.
+var OttomanBootnodes = []string{
+	"enode://851ceb576681cf1e0d46ee9f049d6c678f229d806d1b41afe5b6d3c99a43fbbb7271d60e4c43cc5535e125a61db4ea2424823a3ad2c5959e8125f546cd1a7969@13.76.136.158:30303",  //SG
+	"enode://e3b5624752b86b60aa492edd65bdc906f9861a5e9113abd8f908443d1f64395c0e2bdd2e1825154837fd72da9d2e55e4f231411d5ca99ba9c90e14ba2f5612f6@52.163.118.231:30303", //SG
+	"enode://3a1c96fe1fe9da5d4ea3b1a65bfecb4571101b519595cab6deb2eb029209353cdbc91c8d3751d0c6c00e5440657b678508e99bd9e934d4a0c1ad553fc1cb9155@13.76.140.250:30303",  //SG
+	"enode://aebe74e4ab7db8074d1cb9634dab3fd8c5745f8cc4868da2007ff754721085b189ffaf44b8041219de90b55df3ac515bbd0e1df7fde8d7684df0ecfb12534a73@52.187.45.126:30303",  //SG
+}
+
 // DiscoveryV5Bootnodes are the enode URLs of the P2P bootstrap nodes for the
 // experimental RLPx v5 topic-discovery network.
 var DiscoveryV5Bootnodes = []string{

params/config.go

@@ -18,6 +18,7 @@ package params
 
 import (
 	"fmt"
+	"math"
 	"math/big"
 
 	"github.com/ethereum/go-ethereum/common"
@@ -77,6 +78,24 @@ var (
 		},
 	}
 
+	// OttomanChainConfig contains the chain parameters to run a node on the Ottoman test network.
+	OttomanChainConfig = &ChainConfig{
+		ChainId:        big.NewInt(5),
+		HomesteadBlock: big.NewInt(1),
+		DAOForkBlock:   nil,
+		DAOForkSupport: true,
+		EIP150Block:    big.NewInt(2),
+		EIP150Hash:     common.HexToHash("0x9b095b36c15eaf13044373aef8ee0bd3a382a5abb92e402afa44b8249c3a90e9"),
+		EIP155Block:    big.NewInt(3),
+		EIP158Block:    big.NewInt(3),
+		ByzantiumBlock: big.NewInt(math.MaxInt64), // Don't enable yet
+
+		Istanbul: &IstanbulConfig{
+			Epoch:          30000,
+			ProposerPolicy: 0,
+		},
+	}
+
 	// AllEthashProtocolChanges contains every protocol change (EIPs) introduced
 	// and accepted by the Ethereum core developers into the Ethash consensus.
 	//