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package utils
import (
"crypto/ecdsa"
"path"
"runtime"
"github.com/codegangsta/cli"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/eth"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/ethutil"
"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/p2p"
"github.com/ethereum/go-ethereum/p2p/nat"
)
// These are all the command line flags we support.
// If you add to this list, please remember to include the
// flag in the appropriate command definition.
//
// The flags are defined here so their names and help texts
// are the same for all commands.
var (
// General settings
VMTypeFlag = cli.IntFlag{
Name: "vm",
Usage: "Virtual Machine type: 0 is standard VM, 1 is debug VM",
}
KeyRingFlag = cli.StringFlag{
Name: "keyring",
Usage: "Name of keyring to be used",
Value: "",
}
KeyStoreFlag = cli.StringFlag{
Name: "keystore",
Usage: `Where to store keyrings: "db" or "file"`,
Value: "db",
}
DataDirFlag = cli.StringFlag{
Name: "datadir",
Usage: "Data directory to be used",
Value: ethutil.DefaultDataDir(),
}
MinerThreadsFlag = cli.IntFlag{
Name: "minerthreads",
Usage: "Number of miner threads",
Value: runtime.NumCPU(),
}
MiningEnabledFlag = cli.BoolFlag{
Name: "mine",
Usage: "Enable mining",
}
LogFileFlag = cli.StringFlag{
Name: "logfile",
Usage: "Send log output to a file",
}
LogLevelFlag = cli.IntFlag{
Name: "loglevel",
Usage: "0-5 (silent, error, warn, info, debug, debug detail)",
Value: int(logger.InfoLevel),
}
LogFormatFlag = cli.StringFlag{
Name: "logformat",
Usage: `"std" or "raw"`,
Value: "std",
}
// RPC settings
RPCEnabledFlag = cli.BoolFlag{
Name: "rpc",
Usage: "Whether RPC server is enabled",
}
RPCListenAddrFlag = cli.StringFlag{
Name: "rpcaddr",
Usage: "Listening address for the JSON-RPC server",
Value: "127.0.0.1",
}
RPCPortFlag = cli.IntFlag{
Name: "rpcport",
Usage: "Port on which the JSON-RPC server should listen",
Value: 8545,
}
// Network Settings
MaxPeersFlag = cli.IntFlag{
Name: "maxpeers",
Usage: "Maximum number of network peers",
Value: 16,
}
ListenPortFlag = cli.IntFlag{
Name: "port",
Usage: "Network listening port",
Value: 30303,
}
BootnodesFlag = cli.StringFlag{
Name: "bootnodes",
Usage: "Space-separated enode URLs for discovery bootstrap",
Value: "",
}
NodeKeyFileFlag = cli.StringFlag{
Name: "nodekey",
Usage: "P2P node key file",
}
NodeKeyHexFlag = cli.StringFlag{
Name: "nodekeyhex",
Usage: "P2P node key as hex (for testing)",
}
NATFlag = cli.StringFlag{
Name: "nat",
Usage: "Port mapping mechanism (any|none|upnp|pmp|extip:<IP>)",
Value: "any",
}
)
func GetNAT(ctx *cli.Context) nat.Interface {
natif, err := nat.Parse(ctx.GlobalString(NATFlag.Name))
if err != nil {
Fatalf("Option %s: %v", NATFlag.Name, err)
}
return natif
}
func GetNodeKey(ctx *cli.Context) (key *ecdsa.PrivateKey) {
hex, file := ctx.GlobalString(NodeKeyHexFlag.Name), ctx.GlobalString(NodeKeyFileFlag.Name)
var err error
switch {
case file != "" && hex != "":
Fatalf("Options %q and %q are mutually exclusive", NodeKeyFileFlag.Name, NodeKeyHexFlag.Name)
case file != "":
if key, err = crypto.LoadECDSA(file); err != nil {
Fatalf("Option %q: %v", NodeKeyFileFlag.Name, err)
}
case hex != "":
if key, err = crypto.HexToECDSA(hex); err != nil {
Fatalf("Option %q: %v", NodeKeyHexFlag.Name, err)
}
}
return key
}
func GetEthereum(clientID, version string, ctx *cli.Context) *eth.Ethereum {
ethereum, err := eth.New(ð.Config{
Name: p2p.MakeName(clientID, version),
KeyStore: ctx.GlobalString(KeyStoreFlag.Name),
DataDir: ctx.GlobalString(DataDirFlag.Name),
LogFile: ctx.GlobalString(LogFileFlag.Name),
LogLevel: ctx.GlobalInt(LogLevelFlag.Name),
LogFormat: ctx.GlobalString(LogFormatFlag.Name),
MinerThreads: ctx.GlobalInt(MinerThreadsFlag.Name),
MaxPeers: ctx.GlobalInt(MaxPeersFlag.Name),
Port: ctx.GlobalString(ListenPortFlag.Name),
NAT: GetNAT(ctx),
NodeKey: GetNodeKey(ctx),
KeyRing: ctx.GlobalString(KeyRingFlag.Name),
Shh: true,
Dial: true,
BootNodes: ctx.GlobalString(BootnodesFlag.Name),
})
if err != nil {
exit(err)
}
return ethereum
}
func GetChain(ctx *cli.Context) (*core.ChainManager, ethutil.Database) {
dataDir := ctx.GlobalString(DataDirFlag.Name)
db, err := ethdb.NewLDBDatabase(path.Join(dataDir, "blockchain"))
if err != nil {
Fatalf("Could not open database: %v", err)
}
return core.NewChainManager(db, new(event.TypeMux)), db
}
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