func main() {
logger.AddLogSystem(logger.NewStdLogSystem(os.Stdout, log.LstdFlags, logger.InfoLevel))
// Generate the peer identity
key, err := crypto.GenerateKey()
if err != nil {
fmt.Printf("Failed to generate peer key: %v.\n", err)
os.Exit(-1)
}
name := common.MakeName("whisper-go", "1.0")
shh := whisper.New()
// Create an Expanse peer to communicate through
server := p2p.Server{
PrivateKey: key,
MaxPeers: 10,
Name: name,
Protocols: []p2p.Protocol{shh.Protocol()},
ListenAddr: ":30300",
NAT: nat.Any(),
}
fmt.Println("Starting Expanse peer...")
if err := server.Start(); err != nil {
fmt.Printf("Failed to start Expanse peer: %v.\n", err)
os.Exit(1)
}
// Send a message to self to check that something works
payload := fmt.Sprintf("Hello world, this is %v. In case you're wondering, the time is %v", name, time.Now())
if err := selfSend(shh, []byte(payload)); err != nil {
fmt.Printf("Failed to self message: %v.\n", err)
os.Exit(-1)
}
}
// MakeNodeName creates a node name from a base set and the command line flags.
func MakeNodeName(client, version string, ctx *cli.Context) string {
name := common.MakeName(client, version)
if identity := ctx.GlobalString(IdentityFlag.Name); len(identity) > 0 {
name += "/" + identity
}
if ctx.GlobalBool(VMEnableJitFlag.Name) {
name += "/JIT"
}
return name
}
// MakeEthConfig creates expanse options from set command line flags.
func MakeEthConfig(clientID, version string, ctx *cli.Context) *exp.Config {
customName := ctx.GlobalString(IdentityFlag.Name)
if len(customName) > 0 {
clientID += "/" + customName
}
am := MakeAccountManager(ctx)
etherbase, err := ParamToAddress(ctx.GlobalString(EtherbaseFlag.Name), am)
if err != nil {
glog.V(logger.Error).Infoln("WARNING: No etherbase set and no accounts found as default")
}
return &exp.Config{
Name: common.MakeName(clientID, version),
DataDir: ctx.GlobalString(DataDirFlag.Name),
GenesisNonce: ctx.GlobalInt(GenesisNonceFlag.Name),
GenesisFile: ctx.GlobalString(GenesisFileFlag.Name),
BlockChainVersion: ctx.GlobalInt(BlockchainVersionFlag.Name),
DatabaseCache: ctx.GlobalInt(CacheFlag.Name),
SkipBcVersionCheck: false,
NetworkId: ctx.GlobalInt(NetworkIdFlag.Name),
LogFile: ctx.GlobalString(LogFileFlag.Name),
Verbosity: ctx.GlobalInt(VerbosityFlag.Name),
LogJSON: ctx.GlobalString(LogJSONFlag.Name),
Etherbase: common.HexToAddress(etherbase),
MinerThreads: ctx.GlobalInt(MinerThreadsFlag.Name),
AccountManager: am,
VmDebug: ctx.GlobalBool(VMDebugFlag.Name),
MaxPeers: ctx.GlobalInt(MaxPeersFlag.Name),
MaxPendingPeers: ctx.GlobalInt(MaxPendingPeersFlag.Name),
Port: ctx.GlobalString(ListenPortFlag.Name),
Olympic: ctx.GlobalBool(OlympicFlag.Name),
NAT: MakeNAT(ctx),
NatSpec: ctx.GlobalBool(NatspecEnabledFlag.Name),
Discovery: !ctx.GlobalBool(NoDiscoverFlag.Name),
NodeKey: MakeNodeKey(ctx),
Shh: ctx.GlobalBool(WhisperEnabledFlag.Name),
Dial: true,
BootNodes: ctx.GlobalString(BootnodesFlag.Name),
GasPrice: common.String2Big(ctx.GlobalString(GasPriceFlag.Name)),
GpoMinGasPrice: common.String2Big(ctx.GlobalString(GpoMinGasPriceFlag.Name)),
GpoMaxGasPrice: common.String2Big(ctx.GlobalString(GpoMaxGasPriceFlag.Name)),
GpoFullBlockRatio: ctx.GlobalInt(GpoFullBlockRatioFlag.Name),
GpobaseStepDown: ctx.GlobalInt(GpobaseStepDownFlag.Name),
GpobaseStepUp: ctx.GlobalInt(GpobaseStepUpFlag.Name),
GpobaseCorrectionFactor: ctx.GlobalInt(GpobaseCorrectionFactorFlag.Name),
SolcPath: ctx.GlobalString(SolcPathFlag.Name),
AutoDAG: ctx.GlobalBool(AutoDAGFlag.Name) || ctx.GlobalBool(MiningEnabledFlag.Name),
}
}
// MakeEthConfig creates expanse options from set command line flags.
func MakeEthConfig(clientID, version string, ctx *cli.Context) *exp.Config {
customName := ctx.GlobalString(IdentityFlag.Name)
if len(customName) > 0 {
clientID += "/" + customName
}
am := MakeAccountManager(ctx)
etherbase, err := ParamToAddress(ctx.GlobalString(EtherbaseFlag.Name), am)
if err != nil {
glog.V(logger.Error).Infoln("WARNING: No etherbase set and no accounts found as default")
}
// Assemble the entire exp configuration and return
cfg := &exp.Config{
Name: common.MakeName(clientID, version),
DataDir: MustDataDir(ctx),
GenesisFile: ctx.GlobalString(GenesisFileFlag.Name),
FastSync: ctx.GlobalBool(FastSyncFlag.Name),
BlockChainVersion: ctx.GlobalInt(BlockchainVersionFlag.Name),
DatabaseCache: ctx.GlobalInt(CacheFlag.Name),
SkipBcVersionCheck: false,
NetworkId: ctx.GlobalInt(NetworkIdFlag.Name),
LogFile: ctx.GlobalString(LogFileFlag.Name),
Verbosity: ctx.GlobalInt(VerbosityFlag.Name),
Etherbase: common.HexToAddress(etherbase),
MinerThreads: ctx.GlobalInt(MinerThreadsFlag.Name),
AccountManager: am,
VmDebug: ctx.GlobalBool(VMDebugFlag.Name),
MaxPeers: ctx.GlobalInt(MaxPeersFlag.Name),
MaxPendingPeers: ctx.GlobalInt(MaxPendingPeersFlag.Name),
Port: ctx.GlobalString(ListenPortFlag.Name),
Olympic: ctx.GlobalBool(OlympicFlag.Name),
NAT: MakeNAT(ctx),
NatSpec: ctx.GlobalBool(NatspecEnabledFlag.Name),
DocRoot: ctx.GlobalString(DocRootFlag.Name),
Discovery: !ctx.GlobalBool(NoDiscoverFlag.Name),
NodeKey: MakeNodeKey(ctx),
Shh: ctx.GlobalBool(WhisperEnabledFlag.Name),
Dial: true,
BootNodes: ctx.GlobalString(BootnodesFlag.Name),
GasPrice: common.String2Big(ctx.GlobalString(GasPriceFlag.Name)),
GpoMinGasPrice: common.String2Big(ctx.GlobalString(GpoMinGasPriceFlag.Name)),
GpoMaxGasPrice: common.String2Big(ctx.GlobalString(GpoMaxGasPriceFlag.Name)),
GpoFullBlockRatio: ctx.GlobalInt(GpoFullBlockRatioFlag.Name),
GpobaseStepDown: ctx.GlobalInt(GpobaseStepDownFlag.Name),
GpobaseStepUp: ctx.GlobalInt(GpobaseStepUpFlag.Name),
GpobaseCorrectionFactor: ctx.GlobalInt(GpobaseCorrectionFactorFlag.Name),
SolcPath: ctx.GlobalString(SolcPathFlag.Name),
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
// overwrite homestead block
params.HomesteadBlock = params.TestNetHomesteadBlock
}
if ctx.GlobalBool(VMEnableJitFlag.Name) {
cfg.Name += "/JIT"
}
if ctx.GlobalBool(DevModeFlag.Name) {
if !ctx.GlobalIsSet(VMDebugFlag.Name) {
cfg.VmDebug = true
}
if !ctx.GlobalIsSet(MaxPeersFlag.Name) {
cfg.MaxPeers = 0
}
if !ctx.GlobalIsSet(GasPriceFlag.Name) {
cfg.GasPrice = new(big.Int)
}
if !ctx.GlobalIsSet(ListenPortFlag.Name) {
cfg.Port = "0" // auto port
}
if !ctx.GlobalIsSet(WhisperEnabledFlag.Name) {
cfg.Shh = true
}
if !ctx.GlobalIsSet(DataDirFlag.Name) {
cfg.DataDir = os.TempDir() + "/expanse_dev_mode"
}
cfg.PowTest = true
cfg.DevMode = true
glog.V(logger.Info).Infoln("dev mode enabled")
}
return cfg
}