cmd, consensus, core, miner: instatx clique for --dev (#15323)

* cmd, consensus, core, miner: instatx clique for --dev

* cmd, consensus, clique: support configurable --dev block times

* cmd, core: allow --dev to use persistent storage too

4 files changed, 17 insertions, 11 deletions

diff --git a/cmd/geth/accountcmd_test.go b/cmd/geth/accountcmd_test.go
index 66e3e02a4..3ea22ccfa 100644
--- a/cmd/geth/accountcmd_test.go
+++ b/cmd/geth/accountcmd_test.go
@@ -134,7 +134,7 @@ Fatal: could not decrypt key with given passphrase
 func TestUnlockFlag(t *testing.T) {
 	datadir := tmpDatadirWithKeystore(t)
 	geth := runGeth(t,
-		"--datadir", datadir, "--nat", "none", "--nodiscover", "--dev",
+		"--datadir", datadir, "--nat", "none", "--nodiscover", "--maxpeers", "0", "--port", "0",
 		"--unlock", "f466859ead1932d743d622cb74fc058882e8648a",
 		"js", "testdata/empty.js")
 	geth.Expect(`
@@ -158,7 +158,7 @@ Passphrase: {{.InputLine "foobar"}}
 func TestUnlockFlagWrongPassword(t *testing.T) {
 	datadir := tmpDatadirWithKeystore(t)
 	geth := runGeth(t,
-		"--datadir", datadir, "--nat", "none", "--nodiscover", "--dev",
+		"--datadir", datadir, "--nat", "none", "--nodiscover", "--maxpeers", "0", "--port", "0",
 		"--unlock", "f466859ead1932d743d622cb74fc058882e8648a")
 	defer geth.ExpectExit()
 	geth.Expect(`
@@ -177,7 +177,7 @@ Fatal: Failed to unlock account f466859ead1932d743d622cb74fc058882e8648a (could
 func TestUnlockFlagMultiIndex(t *testing.T) {
 	datadir := tmpDatadirWithKeystore(t)
 	geth := runGeth(t,
-		"--datadir", datadir, "--nat", "none", "--nodiscover", "--dev",
+		"--datadir", datadir, "--nat", "none", "--nodiscover", "--maxpeers", "0", "--port", "0",
 		"--unlock", "0,2",
 		"js", "testdata/empty.js")
 	geth.Expect(`
@@ -204,7 +204,7 @@ Passphrase: {{.InputLine "foobar"}}
 func TestUnlockFlagPasswordFile(t *testing.T) {
 	datadir := tmpDatadirWithKeystore(t)
 	geth := runGeth(t,
-		"--datadir", datadir, "--nat", "none", "--nodiscover", "--dev",
+		"--datadir", datadir, "--nat", "none", "--nodiscover", "--maxpeers", "0", "--port", "0",
 		"--password", "testdata/passwords.txt", "--unlock", "0,2",
 		"js", "testdata/empty.js")
 	geth.ExpectExit()
@@ -224,7 +224,7 @@ func TestUnlockFlagPasswordFile(t *testing.T) {
 func TestUnlockFlagPasswordFileWrongPassword(t *testing.T) {
 	datadir := tmpDatadirWithKeystore(t)
 	geth := runGeth(t,
-		"--datadir", datadir, "--nat", "none", "--nodiscover", "--dev",
+		"--datadir", datadir, "--nat", "none", "--nodiscover", "--maxpeers", "0", "--port", "0",
 		"--password", "testdata/wrong-passwords.txt", "--unlock", "0,2")
 	defer geth.ExpectExit()
 	geth.Expect(`
@@ -235,7 +235,7 @@ Fatal: Failed to unlock account 0 (could not decrypt key with given passphrase)
 func TestUnlockFlagAmbiguous(t *testing.T) {
 	store := filepath.Join("..", "..", "accounts", "keystore", "testdata", "dupes")
 	geth := runGeth(t,
-		"--keystore", store, "--nat", "none", "--nodiscover", "--dev",
+		"--keystore", store, "--nat", "none", "--nodiscover", "--maxpeers", "0", "--port", "0",
 		"--unlock", "f466859ead1932d743d622cb74fc058882e8648a",
 		"js", "testdata/empty.js")
 	defer geth.ExpectExit()
@@ -273,7 +273,7 @@ In order to avoid this warning, you need to remove the following duplicate key f
 func TestUnlockFlagAmbiguousWrongPassword(t *testing.T) {
 	store := filepath.Join("..", "..", "accounts", "keystore", "testdata", "dupes")
 	geth := runGeth(t,
-		"--keystore", store, "--nat", "none", "--nodiscover", "--dev",
+		"--keystore", store, "--nat", "none", "--nodiscover", "--maxpeers", "0", "--port", "0",
 		"--unlock", "f466859ead1932d743d622cb74fc058882e8648a")
 	defer geth.ExpectExit()
 
diff --git a/cmd/geth/config.go b/cmd/geth/config.go
index d3600f141..d55a5e08d 100644
--- a/cmd/geth/config.go
+++ b/cmd/geth/config.go
@@ -155,7 +155,7 @@ func makeFullNode(ctx *cli.Context) *node.Node {
 
 	// Whisper must be explicitly enabled by specifying at least 1 whisper flag or in dev mode
 	shhEnabled := enableWhisper(ctx)
-	shhAutoEnabled := !ctx.GlobalIsSet(utils.WhisperEnabledFlag.Name) && ctx.GlobalIsSet(utils.DevModeFlag.Name)
+	shhAutoEnabled := !ctx.GlobalIsSet(utils.WhisperEnabledFlag.Name) && ctx.GlobalIsSet(utils.DeveloperFlag.Name)
 	if shhEnabled || shhAutoEnabled {
 		if ctx.GlobalIsSet(utils.WhisperMaxMessageSizeFlag.Name) {
 			cfg.Shh.MaxMessageSize = uint32(ctx.Int(utils.WhisperMaxMessageSizeFlag.Name))
diff --git a/cmd/geth/main.go b/cmd/geth/main.go
index 88f3528f3..8bd27b5c6 100644
--- a/cmd/geth/main.go
+++ b/cmd/geth/main.go
@@ -99,7 +99,8 @@ var (
 		utils.NetrestrictFlag,
 		utils.NodeKeyFileFlag,
 		utils.NodeKeyHexFlag,
-		utils.DevModeFlag,
+		utils.DeveloperFlag,
+		utils.DeveloperPeriodFlag,
 		utils.TestnetFlag,
 		utils.RinkebyFlag,
 		utils.VMEnableDebugFlag,
@@ -270,7 +271,7 @@ func startNode(ctx *cli.Context, stack *node.Node) {
 		}
 	}()
 	// Start auxiliary services if enabled
-	if ctx.GlobalBool(utils.MiningEnabledFlag.Name) {
+	if ctx.GlobalBool(utils.MiningEnabledFlag.Name) || ctx.GlobalBool(utils.DeveloperFlag.Name) {
 		// Mining only makes sense if a full Ethereum node is running
 		var ethereum *eth.Ethereum
 		if err := stack.Service(&ethereum); err != nil {
diff --git a/cmd/geth/usage.go b/cmd/geth/usage.go
index 80861d852..5bb2255f3 100644
--- a/cmd/geth/usage.go
+++ b/cmd/geth/usage.go
@@ -72,7 +72,6 @@ var AppHelpFlagGroups = []flagGroup{
 			utils.NetworkIdFlag,
 			utils.TestnetFlag,
 			utils.RinkebyFlag,
-			utils.DevModeFlag,
 			utils.SyncModeFlag,
 			utils.EthStatsURLFlag,
 			utils.IdentityFlag,
@@ -81,6 +80,12 @@ var AppHelpFlagGroups = []flagGroup{
 			utils.LightKDFFlag,
 		},
 	},
+	{Name: "DEVELOPER CHAIN",
+		Flags: []cli.Flag{
+			utils.DeveloperFlag,
+			utils.DeveloperPeriodFlag,
+		},
+	},
 	{
 		Name: "ETHASH",
 		Flags: []cli.Flag{