whisperv5: integrate whisper and add whisper RPC simulator

cmd/geth/config.go

@@ -33,6 +33,7 @@ import (
 	"github.com/ethereum/go-ethereum/eth"
 	"github.com/ethereum/go-ethereum/node"
 	"github.com/ethereum/go-ethereum/params"
+	whisper "github.com/ethereum/go-ethereum/whisper/whisperv5"
 	"github.com/naoina/toml"
 )
 
@@ -42,7 +43,7 @@ var (
 		Name:        "dumpconfig",
 		Usage:       "Show configuration values",
 		ArgsUsage:   "",
-		Flags:       append(nodeFlags, rpcFlags...),
+		Flags:       append(append(nodeFlags, rpcFlags...), whisper.Flags...),
 		Category:    "MISCELLANEOUS COMMANDS",
 		Description: `The dumpconfig command shows configuration values.`,
 	}
@@ -76,6 +77,7 @@ type ethstatsConfig struct {
 
 type gethConfig struct {
 	Eth      eth.Config
+	Shh      whisper.Config
 	Node     node.Config
 	Ethstats ethstatsConfig
 }
@@ -99,8 +101,8 @@ func defaultNodeConfig() node.Config {
 	cfg := node.DefaultConfig
 	cfg.Name = clientIdentifier
 	cfg.Version = params.VersionWithCommit(gitCommit)
-	cfg.HTTPModules = append(cfg.HTTPModules, "eth")
-	cfg.WSModules = append(cfg.WSModules, "eth")
+	cfg.HTTPModules = append(cfg.HTTPModules, "eth", "shh")
+	cfg.WSModules = append(cfg.WSModules, "eth", "shh")
 	cfg.IPCPath = "geth.ipc"
 	return cfg
 }
@@ -109,6 +111,7 @@ func makeConfigNode(ctx *cli.Context) (*node.Node, gethConfig) {
 	// Load defaults.
 	cfg := gethConfig{
 		Eth:  eth.DefaultConfig,
+		Shh:  whisper.DefaultConfig,
 		Node: defaultNodeConfig(),
 	}
 
@@ -130,19 +133,37 @@ func makeConfigNode(ctx *cli.Context) (*node.Node, gethConfig) {
 		cfg.Ethstats.URL = ctx.GlobalString(utils.EthStatsURLFlag.Name)
 	}
 
+	utils.SetShhConfig(ctx, stack, &cfg.Shh)
+
 	return stack, cfg
 }
 
+// enableWhisper returns true in case one of the whisper flags is set.
+func enableWhisper(ctx *cli.Context) bool {
+	for _, flag := range whisper.Flags {
+		if ctx.GlobalIsSet(flag.GetName()) {
+			return true
+		}
+	}
+	return false
+}
+
 func makeFullNode(ctx *cli.Context) *node.Node {
 	stack, cfg := makeConfigNode(ctx)
 
 	utils.RegisterEthService(stack, &cfg.Eth)
 
-	// Whisper must be explicitly enabled, but is auto-enabled in --dev mode.
-	shhEnabled := ctx.GlobalBool(utils.WhisperEnabledFlag.Name)
-	shhAutoEnabled := !ctx.GlobalIsSet(utils.WhisperEnabledFlag.Name) && ctx.GlobalIsSet(utils.DevModeFlag.Name)
+	// Whisper must be explicitly enabled by specifying at least 1 whisper flag or in dev mode
+	shhEnabled := enableWhisper(ctx)
+	shhAutoEnabled := !ctx.GlobalIsSet(whisper.WhisperEnabledFlag.Name) && ctx.GlobalIsSet(utils.DevModeFlag.Name)
 	if shhEnabled || shhAutoEnabled {
-		utils.RegisterShhService(stack)
+		if ctx.GlobalIsSet(whisper.MaxMessageSizeFlag.Name) {
+			cfg.Shh.MaxMessageSize = uint32(ctx.Int(whisper.MaxMessageSizeFlag.Name))
+		}
+		if ctx.GlobalIsSet(whisper.MinPOWFlag.Name) {
+			cfg.Shh.MinimumAcceptedPOW = ctx.Float64(whisper.MinPOWFlag.Name)
+		}
+		utils.RegisterShhService(stack, &cfg.Shh)
 	}
 
 	// Add the Ethereum Stats daemon if requested.

cmd/geth/main.go

@@ -35,6 +35,7 @@ import (
 	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/metrics"
 	"github.com/ethereum/go-ethereum/node"
+	whisper "github.com/ethereum/go-ethereum/whisper/whisperv5"
 	"gopkg.in/urfave/cli.v1"
 )
 
@@ -95,7 +96,6 @@ var (
 		utils.NetrestrictFlag,
 		utils.NodeKeyFileFlag,
 		utils.NodeKeyHexFlag,
-		utils.WhisperEnabledFlag,
 		utils.DevModeFlag,
 		utils.TestnetFlag,
 		utils.RinkebyFlag,
@@ -161,6 +161,7 @@ func init() {
 	app.Flags = append(app.Flags, rpcFlags...)
 	app.Flags = append(app.Flags, consoleFlags...)
 	app.Flags = append(app.Flags, debug.Flags...)
+	app.Flags = append(app.Flags, whisper.Flags...)
 
 	app.Before = func(ctx *cli.Context) error {
 		runtime.GOMAXPROCS(runtime.NumCPU())

cmd/geth/usage.go

@@ -24,6 +24,7 @@ import (
 
 	"github.com/ethereum/go-ethereum/cmd/utils"
 	"github.com/ethereum/go-ethereum/internal/debug"
+	"github.com/ethereum/go-ethereum/whisper/whisperv5"
 	"gopkg.in/urfave/cli.v1"
 )
 
@@ -187,6 +188,10 @@ var AppHelpFlagGroups = []flagGroup{
 			utils.NoCompactionFlag,
 		}, debug.Flags...),
 	},
+	{
+		Name:  "Whisper (EXPERIMENTAL)",
+		Flags: whisperv5.Flags,
+	},
 	{
 		Name: "DEPRECATED",
 		Flags: []cli.Flag{
@@ -195,10 +200,7 @@ var AppHelpFlagGroups = []flagGroup{
 		},
 	},
 	{
-		Name: "EXPERIMENTAL",
-		Flags: []cli.Flag{
-			utils.WhisperEnabledFlag,
-		},
+		Name: "MISC",
 	},
 }