cmd, core, eth: added official testnet

2 files changed, 19 insertions, 0 deletions

diff --git a/cmd/geth/main.go b/cmd/geth/main.go
index fa9beafd0..2c4cb5ae1 100644
--- a/cmd/geth/main.go
+++ b/cmd/geth/main.go
@@ -314,6 +314,7 @@ JavaScript API. See https://github.com/ethereum/go-ethereum/wiki/Javascipt-Conso
 		utils.ExecFlag,
 		utils.WhisperEnabledFlag,
 		utils.DevModeFlag,
+		utils.TestNetFlag,
 		utils.VMDebugFlag,
 		utils.VMForceJitFlag,
 		utils.VMJitCacheFlag,
diff --git a/cmd/utils/flags.go b/cmd/utils/flags.go
index dea43bc5c..67f8f0c57 100644
--- a/cmd/utils/flags.go
+++ b/cmd/utils/flags.go
@@ -125,6 +125,10 @@ var (
 		Name:  "dev",
 		Usage: "Developer mode. This mode creates a private network and sets several debugging flags",
 	}
+	TestNetFlag = cli.BoolFlag{
+		Name:  "testnet",
+		Usage: "Testnet mode. This enables your node to operate on the testnet",
+	}
 	IdentityFlag = cli.StringFlag{
 		Name:  "identity",
 		Usage: "Custom node name",
@@ -452,6 +456,17 @@ func MakeEthConfig(clientID, version string, ctx *cli.Context) *eth.Config {
 		AutoDAG:                 ctx.GlobalBool(AutoDAGFlag.Name) || ctx.GlobalBool(MiningEnabledFlag.Name),
 	}
 
+	if ctx.GlobalBool(DevModeFlag.Name) && ctx.GlobalBool(TestNetFlag.Name) {
+		glog.Fatalf("%s and %s are mutually exclusive\n", DevModeFlag.Name, TestNetFlag.Name)
+	}
+
+	if ctx.GlobalBool(TestNetFlag.Name) {
+		// testnet is always stored in the testnet folder
+		cfg.DataDir += "/testnet"
+		cfg.NetworkId = 2
+		cfg.TestNet = true
+	}
+
 	if ctx.GlobalBool(DevModeFlag.Name) {
 		if !ctx.GlobalIsSet(VMDebugFlag.Name) {
 			cfg.VmDebug = true
@@ -540,6 +555,9 @@ func MakeChain(ctx *cli.Context) (chain *core.BlockChain, chainDb ethdb.Database
 // MakeChain creates an account manager from set command line flags.
 func MakeAccountManager(ctx *cli.Context) *accounts.Manager {
 	dataDir := MustDataDir(ctx)
+	if ctx.GlobalBool(TestNetFlag.Name) {
+		dataDir += "/testnet"
+	}
 	ks := crypto.NewKeyStorePassphrase(filepath.Join(dataDir, "keystore"))
 	return accounts.NewManager(ks)
 }