cmd: polish miner flags, deprecate olds, add upgrade path

cmd/geth/chaincmd.go

@@ -48,7 +48,6 @@ var (
 		ArgsUsage: "<genesisPath>",
 		Flags: []cli.Flag{
 			utils.DataDirFlag,
-			utils.LightModeFlag,
 		},
 		Category: "BLOCKCHAIN COMMANDS",
 		Description: `
@@ -66,7 +65,7 @@ It expects the genesis file as argument.`,
 		Flags: []cli.Flag{
 			utils.DataDirFlag,
 			utils.CacheFlag,
-			utils.LightModeFlag,
+			utils.SyncModeFlag,
 			utils.GCModeFlag,
 			utils.CacheDatabaseFlag,
 			utils.CacheGCFlag,
@@ -87,7 +86,7 @@ processing will proceed even if an individual RLP-file import failure occurs.`,
 		Flags: []cli.Flag{
 			utils.DataDirFlag,
 			utils.CacheFlag,
-			utils.LightModeFlag,
+			utils.SyncModeFlag,
 		},
 		Category: "BLOCKCHAIN COMMANDS",
 		Description: `
@@ -105,7 +104,7 @@ be gzipped.`,
 		Flags: []cli.Flag{
 			utils.DataDirFlag,
 			utils.CacheFlag,
-			utils.LightModeFlag,
+			utils.SyncModeFlag,
 		},
 		Category: "BLOCKCHAIN COMMANDS",
 		Description: `
@@ -119,7 +118,7 @@ be gzipped.`,
 		Flags: []cli.Flag{
 			utils.DataDirFlag,
 			utils.CacheFlag,
-			utils.LightModeFlag,
+			utils.SyncModeFlag,
 		},
 		Category: "BLOCKCHAIN COMMANDS",
 		Description: `
@@ -149,7 +148,6 @@ The first argument must be the directory containing the blockchain to download f
 		ArgsUsage: " ",
 		Flags: []cli.Flag{
 			utils.DataDirFlag,
-			utils.LightModeFlag,
 		},
 		Category: "BLOCKCHAIN COMMANDS",
 		Description: `
@@ -163,7 +161,7 @@ Remove blockchain and state databases`,
 		Flags: []cli.Flag{
 			utils.DataDirFlag,
 			utils.CacheFlag,
-			utils.LightModeFlag,
+			utils.SyncModeFlag,
 		},
 		Category: "BLOCKCHAIN COMMANDS",
 		Description: `

cmd/geth/main.go

@@ -82,8 +82,6 @@ var (
 		utils.TxPoolAccountQueueFlag,
 		utils.TxPoolGlobalQueueFlag,
 		utils.TxPoolLifetimeFlag,
-		utils.FastSyncFlag,
-		utils.LightModeFlag,
 		utils.SyncModeFlag,
 		utils.GCModeFlag,
 		utils.LightServFlag,
@@ -96,12 +94,18 @@ var (
 		utils.ListenPortFlag,
 		utils.MaxPeersFlag,
 		utils.MaxPendingPeersFlag,
-		utils.EtherbaseFlag,
-		utils.GasPriceFlag,
 		utils.MiningEnabledFlag,
 		utils.MinerThreadsFlag,
+		utils.MinerLegacyThreadsFlag,
 		utils.MinerNotifyFlag,
-		utils.TargetGasLimitFlag,
+		utils.MinerGasTargetFlag,
+		utils.MinerLegacyGasTargetFlag,
+		utils.MinerGasPriceFlag,
+		utils.MinerLegacyGasPriceFlag,
+		utils.MinerEtherbaseFlag,
+		utils.MinerLegacyEtherbaseFlag,
+		utils.MinerExtraDataFlag,
+		utils.MinerLegacyExtraDataFlag,
 		utils.NATFlag,
 		utils.NoDiscoverFlag,
 		utils.DiscoveryV5Flag,
@@ -122,7 +126,6 @@ var (
 		utils.NoCompactionFlag,
 		utils.GpoBlocksFlag,
 		utils.GpoPercentileFlag,
-		utils.ExtraDataFlag,
 		configFileFlag,
 	}
 
@@ -324,7 +327,7 @@ func startNode(ctx *cli.Context, stack *node.Node) {
 	// Start auxiliary services if enabled
 	if ctx.GlobalBool(utils.MiningEnabledFlag.Name) || ctx.GlobalBool(utils.DeveloperFlag.Name) {
 		// Mining only makes sense if a full Ethereum node is running
-		if ctx.GlobalBool(utils.LightModeFlag.Name) || ctx.GlobalString(utils.SyncModeFlag.Name) == "light" {
+		if ctx.GlobalString(utils.SyncModeFlag.Name) == "light" {
 			utils.Fatalf("Light clients do not support mining")
 		}
 		var ethereum *eth.Ethereum
@@ -332,7 +335,11 @@ func startNode(ctx *cli.Context, stack *node.Node) {
 			utils.Fatalf("Ethereum service not running: %v", err)
 		}
 		// Use a reduced number of threads if requested
-		if threads := ctx.GlobalInt(utils.MinerThreadsFlag.Name); threads > 0 {
+		threads := ctx.GlobalInt(utils.MinerLegacyThreadsFlag.Name)
+		if ctx.GlobalIsSet(utils.MinerThreadsFlag.Name) {
+			threads = ctx.GlobalInt(utils.MinerThreadsFlag.Name)
+		}
+		if threads > 0 {
 			type threaded interface {
 				SetThreads(threads int)
 			}
@@ -341,7 +348,11 @@ func startNode(ctx *cli.Context, stack *node.Node) {
 			}
 		}
 		// Set the gas price to the limits from the CLI and start mining
-		ethereum.TxPool().SetGasPrice(utils.GlobalBig(ctx, utils.GasPriceFlag.Name))
+		gasprice := utils.GlobalBig(ctx, utils.MinerLegacyGasPriceFlag.Name)
+		if ctx.IsSet(utils.MinerGasPriceFlag.Name) {
+			gasprice = utils.GlobalBig(ctx, utils.MinerGasPriceFlag.Name)
+		}
+		ethereum.TxPool().SetGasPrice(gasprice)
 		if err := ethereum.StartMining(true); err != nil {
 			utils.Fatalf("Failed to start mining: %v", err)
 		}

cmd/geth/usage.go

@@ -186,10 +186,10 @@ var AppHelpFlagGroups = []flagGroup{
 			utils.MiningEnabledFlag,
 			utils.MinerThreadsFlag,
 			utils.MinerNotifyFlag,
-			utils.EtherbaseFlag,
+			utils.MinerGasPriceFlag,
-			utils.TargetGasLimitFlag,
+			utils.MinerGasTargetFlag,
-			utils.GasPriceFlag,
+			utils.MinerEtherbaseFlag,
-			utils.ExtraDataFlag,
+			utils.MinerExtraDataFlag,
 		},
 	},
 	{
@@ -231,8 +231,11 @@ var AppHelpFlagGroups = []flagGroup{
 	{
 		Name: "DEPRECATED",
 		Flags: []cli.Flag{
-			utils.FastSyncFlag,
+			utils.MinerLegacyThreadsFlag,
-			utils.LightModeFlag,
+			utils.MinerLegacyGasTargetFlag,
+			utils.MinerLegacyGasPriceFlag,
+			utils.MinerLegacyEtherbaseFlag,
+			utils.MinerLegacyExtraDataFlag,
 		},
 	},
 	{

cmd/puppeth/module_node.go

@@ -42,7 +42,7 @@ ADD genesis.json /genesis.json
 RUN \
   echo 'geth --cache 512 init /genesis.json' > geth.sh && \{{if .Unlock}}
 	echo 'mkdir -p /root/.ethereum/keystore/ && cp /signer.json /root/.ethereum/keystore/' >> geth.sh && \{{end}}
-	echo $'exec geth --networkid {{.NetworkID}} --cache 512 --port {{.Port}} --maxpeers {{.Peers}} {{.LightFlag}} --ethstats \'{{.Ethstats}}\' {{if .Bootnodes}}--bootnodes {{.Bootnodes}}{{end}} {{if .Etherbase}}--etherbase {{.Etherbase}} --mine --minerthreads 1{{end}} {{if .Unlock}}--unlock 0 --password /signer.pass --mine{{end}} --targetgaslimit {{.GasTarget}} --gasprice {{.GasPrice}}' >> geth.sh
+	echo $'exec geth --networkid {{.NetworkID}} --cache 512 --port {{.Port}} --maxpeers {{.Peers}} {{.LightFlag}} --ethstats \'{{.Ethstats}}\' {{if .Bootnodes}}--bootnodes {{.Bootnodes}}{{end}} {{if .Etherbase}}--miner.etherbase {{.Etherbase}} --mine --miner.threads 1{{end}} {{if .Unlock}}--unlock 0 --password /signer.pass --mine{{end}} --miner.gastarget {{.GasTarget}} --miner.gasprice {{.GasPrice}}' >> geth.sh
 
 ENTRYPOINT ["/bin/sh", "geth.sh"]
 `

cmd/utils/flags.go

@@ -157,14 +157,6 @@ var (
 		Usage: "Document Root for HTTPClient file scheme",
 		Value: DirectoryString{homeDir()},
 	}
-	FastSyncFlag = cli.BoolFlag{
-		Name:  "fast",
-		Usage: "Enable fast syncing through state downloads (replaced by --syncmode)",
-	}
-	LightModeFlag = cli.BoolFlag{
-		Name:  "light",
-		Usage: "Enable light client mode (replaced by --syncmode)",
-	}
 	defaultSyncMode = eth.DefaultConfig.SyncMode
 	SyncModeFlag    = TextMarshalerFlag{
 		Name:  "syncmode",
@@ -321,29 +313,53 @@ var (
 		Usage: "Number of CPU threads to use for mining",
 		Value: 0,
 	}
+	MinerLegacyThreadsFlag = cli.IntFlag{
+		Name:  "minerthreads",
+		Usage: "Number of CPU threads to use for mining (deprecated, use --miner.threads)",
+		Value: 0,
+	}
 	MinerNotifyFlag = cli.StringFlag{
 		Name:  "miner.notify",
 		Usage: "Comma separated HTTP URL list to notify of new work packages",
 	}
-	TargetGasLimitFlag = cli.Uint64Flag{
+	MinerGasTargetFlag = cli.Uint64Flag{
-		Name:  "targetgaslimit",
+		Name:  "miner.gastarget",
-		Usage: "Target gas limit sets the artificial target gas floor for the blocks to mine",
+		Usage: "Target gas floor for mined blocks",
 		Value: params.GenesisGasLimit,
 	}
-	EtherbaseFlag = cli.StringFlag{
+	MinerLegacyGasTargetFlag = cli.Uint64Flag{
-		Name:  "etherbase",
+		Name:  "targetgaslimit",
-		Usage: "Public address for block mining rewards (default = first account created)",
+		Usage: "Target gas floor for mined blocks (deprecated, use --miner.gastarget)",
-		Value: "0",
+		Value: params.GenesisGasLimit,
 	}
-	GasPriceFlag = BigFlag{
+	MinerGasPriceFlag = BigFlag{
-		Name:  "gasprice",
+		Name:  "miner.gasprice",
-		Usage: "Minimal gas price to accept for mining a transactions",
+		Usage: "Minimal gas price for mining a transactions",
 		Value: eth.DefaultConfig.GasPrice,
 	}
-	ExtraDataFlag = cli.StringFlag{
+	MinerLegacyGasPriceFlag = BigFlag{
-		Name:  "extradata",
+		Name:  "gasprice",
+		Usage: "Minimal gas price for mining a transactions (deprecated, use --miner.gasprice)",
+		Value: eth.DefaultConfig.GasPrice,
+	}
+	MinerEtherbaseFlag = cli.StringFlag{
+		Name:  "miner.etherbase",
+		Usage: "Public address for block mining rewards (default = first account)",
+		Value: "0",
+	}
+	MinerLegacyEtherbaseFlag = cli.StringFlag{
+		Name:  "etherbase",
+		Usage: "Public address for block mining rewards (default = first account, deprecated, use --miner.etherbase)",
+		Value: "0",
+	}
+	MinerExtraDataFlag = cli.StringFlag{
+		Name:  "miner.extradata",
 		Usage: "Block extra data set by the miner (default = client version)",
 	}
+	MinerLegacyExtraDataFlag = cli.StringFlag{
+		Name:  "extradata",
+		Usage: "Block extra data set by the miner (default = client version, deprecated, use --miner.extradata)",
+	}
 	// Account settings
 	UnlockedAccountFlag = cli.StringFlag{
 		Name:  "unlock",
@@ -813,10 +829,19 @@ func MakeAddress(ks *keystore.KeyStore, account string) (accounts.Account, error
 // setEtherbase retrieves the etherbase either from the directly specified
 // command line flags or from the keystore if CLI indexed.
 func setEtherbase(ctx *cli.Context, ks *keystore.KeyStore, cfg *eth.Config) {
-	if ctx.GlobalIsSet(EtherbaseFlag.Name) {
+	// Extract the current etherbase, new flag overriding legacy one
-		account, err := MakeAddress(ks, ctx.GlobalString(EtherbaseFlag.Name))
+	var etherbase string
+	if ctx.GlobalIsSet(MinerLegacyEtherbaseFlag.Name) {
+		etherbase = ctx.GlobalString(MinerLegacyEtherbaseFlag.Name)
+	}
+	if ctx.GlobalIsSet(MinerEtherbaseFlag.Name) {
+		etherbase = ctx.GlobalString(MinerEtherbaseFlag.Name)
+	}
+	// Convert the etherbase into an address and configure it
+	if etherbase != "" {
+		account, err := MakeAddress(ks, etherbase)
 		if err != nil {
-			Fatalf("Option %q: %v", EtherbaseFlag.Name, err)
+			Fatalf("Invalid miner etherbase: %v", err)
 		}
 		cfg.Etherbase = account.Address
 	}
@@ -847,7 +872,7 @@ func SetP2PConfig(ctx *cli.Context, cfg *p2p.Config) {
 	setBootstrapNodes(ctx, cfg)
 	setBootstrapNodesV5(ctx, cfg)
 
-	lightClient := ctx.GlobalBool(LightModeFlag.Name) || ctx.GlobalString(SyncModeFlag.Name) == "light"
+	lightClient := ctx.GlobalString(SyncModeFlag.Name) == "light"
 	lightServer := ctx.GlobalInt(LightServFlag.Name) != 0
 	lightPeers := ctx.GlobalInt(LightPeersFlag.Name)
 
@@ -1052,8 +1077,6 @@ func SetShhConfig(ctx *cli.Context, stack *node.Node, cfg *whisper.Config) {
 func SetEthConfig(ctx *cli.Context, stack *node.Node, cfg *eth.Config) {
 	// Avoid conflicting network flags
 	checkExclusive(ctx, DeveloperFlag, TestnetFlag, RinkebyFlag)
-	checkExclusive(ctx, FastSyncFlag, LightModeFlag, SyncModeFlag)
-	checkExclusive(ctx, LightServFlag, LightModeFlag)
 	checkExclusive(ctx, LightServFlag, SyncModeFlag, "light")
 
 	ks := stack.AccountManager().Backends(keystore.KeyStoreType)[0].(*keystore.KeyStore)
@@ -1062,13 +1085,8 @@ func SetEthConfig(ctx *cli.Context, stack *node.Node, cfg *eth.Config) {
 	setTxPool(ctx, &cfg.TxPool)
 	setEthash(ctx, cfg)
 
-	switch {
+	if ctx.GlobalIsSet(SyncModeFlag.Name) {
-	case ctx.GlobalIsSet(SyncModeFlag.Name):
 		cfg.SyncMode = *GlobalTextMarshaler(ctx, SyncModeFlag.Name).(*downloader.SyncMode)
-	case ctx.GlobalBool(FastSyncFlag.Name):
-		cfg.SyncMode = downloader.FastSync
-	case ctx.GlobalBool(LightModeFlag.Name):
-		cfg.SyncMode = downloader.LightSync
 	}
 	if ctx.GlobalIsSet(LightServFlag.Name) {
 		cfg.LightServ = ctx.GlobalInt(LightServFlag.Name)
@@ -1093,6 +1111,9 @@ func SetEthConfig(ctx *cli.Context, stack *node.Node, cfg *eth.Config) {
 	if ctx.GlobalIsSet(CacheFlag.Name) || ctx.GlobalIsSet(CacheGCFlag.Name) {
 		cfg.TrieCache = ctx.GlobalInt(CacheFlag.Name) * ctx.GlobalInt(CacheGCFlag.Name) / 100
 	}
+	if ctx.GlobalIsSet(MinerLegacyThreadsFlag.Name) {
+		cfg.MinerThreads = ctx.GlobalInt(MinerLegacyThreadsFlag.Name)
+	}
 	if ctx.GlobalIsSet(MinerThreadsFlag.Name) {
 		cfg.MinerThreads = ctx.GlobalInt(MinerThreadsFlag.Name)
 	}
@@ -1102,11 +1123,17 @@ func SetEthConfig(ctx *cli.Context, stack *node.Node, cfg *eth.Config) {
 	if ctx.GlobalIsSet(DocRootFlag.Name) {
 		cfg.DocRoot = ctx.GlobalString(DocRootFlag.Name)
 	}
-	if ctx.GlobalIsSet(ExtraDataFlag.Name) {
+	if ctx.GlobalIsSet(MinerLegacyExtraDataFlag.Name) {
-		cfg.ExtraData = []byte(ctx.GlobalString(ExtraDataFlag.Name))
+		cfg.ExtraData = []byte(ctx.GlobalString(MinerLegacyExtraDataFlag.Name))
 	}
-	if ctx.GlobalIsSet(GasPriceFlag.Name) {
+	if ctx.GlobalIsSet(MinerExtraDataFlag.Name) {
-		cfg.GasPrice = GlobalBig(ctx, GasPriceFlag.Name)
+		cfg.ExtraData = []byte(ctx.GlobalString(MinerExtraDataFlag.Name))
+	}
+	if ctx.GlobalIsSet(MinerLegacyGasPriceFlag.Name) {
+		cfg.GasPrice = GlobalBig(ctx, MinerLegacyGasPriceFlag.Name)
+	}
+	if ctx.GlobalIsSet(MinerGasPriceFlag.Name) {
+		cfg.GasPrice = GlobalBig(ctx, MinerGasPriceFlag.Name)
 	}
 	if ctx.GlobalIsSet(VMEnableDebugFlag.Name) {
 		// TODO(fjl): force-enable this in --dev mode
@@ -1148,7 +1175,7 @@ func SetEthConfig(ctx *cli.Context, stack *node.Node, cfg *eth.Config) {
 		log.Info("Using developer account", "address", developer.Address)
 
 		cfg.Genesis = core.DeveloperGenesisBlock(uint64(ctx.GlobalInt(DeveloperPeriodFlag.Name)), developer.Address)
-		if !ctx.GlobalIsSet(GasPriceFlag.Name) {
+		if !ctx.GlobalIsSet(MinerGasPriceFlag.Name) && !ctx.GlobalIsSet(MinerLegacyGasPriceFlag.Name) {
 			cfg.GasPrice = big.NewInt(1)
 		}
 	}
@@ -1223,7 +1250,10 @@ func RegisterEthStatsService(stack *node.Node, url string) {
 // SetupNetwork configures the system for either the main net or some test network.
 func SetupNetwork(ctx *cli.Context) {
 	// TODO(fjl): move target gas limit into config
-	params.TargetGasLimit = ctx.GlobalUint64(TargetGasLimitFlag.Name)
+	params.TargetGasLimit = ctx.GlobalUint64(MinerLegacyGasTargetFlag.Name)
+	if ctx.GlobalIsSet(MinerGasTargetFlag.Name) {
+		params.TargetGasLimit = ctx.GlobalUint64(MinerGasTargetFlag.Name)
+	}
 }
 
 func SetupMetrics(ctx *cli.Context) {
@@ -1254,7 +1284,7 @@ func MakeChainDatabase(ctx *cli.Context, stack *node.Node) ethdb.Database {
 		handles = makeDatabaseHandles()
 	)
 	name := "chaindata"
-	if ctx.GlobalBool(LightModeFlag.Name) {
+	if ctx.GlobalString(SyncModeFlag.Name) == "light" {
 		name = "lightchaindata"
 	}
 	chainDb, err := stack.OpenDatabase(name, cache, handles)