/
main.go
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/
main.go
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// Copyright (c) 2018 The VeChainThor developers
// Copyright (c) 2019 The PlayMaker developers
// Distributed under the GNU Lesser General Public License v3.0 software license, see the accompanying
// file LICENSE or <https://www.gnu.org/licenses/lgpl-3.0.html>
package main
import (
"encoding/json"
"fmt"
"io/ioutil"
"os"
"path/filepath"
"time"
"github.com/ethereum/go-ethereum/accounts/keystore"
"github.com/ethereum/go-ethereum/crypto"
"github.com/inconshreveable/log15"
isatty "github.com/mattn/go-isatty"
"github.com/pborman/uuid"
"github.com/pkg/errors"
"github.com/playmakerchain/powerplay/api"
"github.com/playmakerchain/powerplay/cmd/powerplay/node"
"github.com/playmakerchain/powerplay/cmd/powerplay/solo"
"github.com/playmakerchain/powerplay/genesis"
"github.com/playmakerchain/powerplay/logdb"
"github.com/playmakerchain/powerplay/lvldb"
"github.com/playmakerchain/powerplay/state"
"github.com/playmakerchain/powerplay/powerplay"
"github.com/playmakerchain/powerplay/txpool"
cli "gopkg.in/urfave/cli.v1"
)
var (
version string
gitCommit string
gitTag string
log = log15.New()
defaultTxPoolOptions = txpool.Options{
Limit: 10000,
LimitPerAccount: 16,
MaxLifetime: 20 * time.Minute,
}
)
func fullVersion() string {
versionMeta := "release"
if gitTag == "" {
versionMeta = "dev"
}
return fmt.Sprintf("%s-%s-%s", version, gitCommit, versionMeta)
}
func main() {
app := cli.App{
Version: fullVersion(),
Name: "PowerPlay",
Usage: "Node of PowerPlay Network",
Copyright: "2019 PlayMaker Chain <https://playmakerchain.com/>",
Flags: []cli.Flag{
networkFlag,
configDirFlag,
dataDirFlag,
beneficiaryFlag,
targetGasLimitFlag,
apiAddrFlag,
apiCorsFlag,
apiTimeoutFlag,
apiCallGasLimitFlag,
apiBacktraceLimitFlag,
verbosityFlag,
maxPeersFlag,
p2pPortFlag,
natFlag,
},
Action: defaultAction,
Commands: []cli.Command{
{
Name: "solo",
Usage: "client runs in solo mode for test & dev",
Flags: []cli.Flag{
dataDirFlag,
apiAddrFlag,
apiCorsFlag,
apiTimeoutFlag,
apiCallGasLimitFlag,
apiBacktraceLimitFlag,
onDemandFlag,
persistFlag,
gasLimitFlag,
verbosityFlag,
},
Action: soloAction,
},
{
Name: "master-key",
Usage: "import and export master key",
Flags: []cli.Flag{
configDirFlag,
importMasterKeyFlag,
exportMasterKeyFlag,
},
Action: masterKeyAction,
},
},
}
if err := app.Run(os.Args); err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
}
func defaultAction(ctx *cli.Context) error {
exitSignal := handleExitSignal()
defer func() { log.Info("exited") }()
initLogger(ctx)
gene := selectGenesis(ctx)
instanceDir := makeInstanceDir(ctx, gene)
mainDB := openMainDB(ctx, instanceDir)
defer func() { log.Info("closing main database..."); mainDB.Close() }()
logDB := openLogDB(ctx, instanceDir)
defer func() { log.Info("closing log database..."); logDB.Close() }()
chain := initChain(gene, mainDB, logDB)
master := loadNodeMaster(ctx)
txPool := txpool.New(chain, state.NewCreator(mainDB), defaultTxPoolOptions)
defer func() { log.Info("closing tx pool..."); txPool.Close() }()
p2pcom := newP2PComm(ctx, chain, txPool, instanceDir)
apiHandler, apiCloser := api.New(chain, state.NewCreator(mainDB), txPool, logDB, p2pcom.comm, ctx.String(apiCorsFlag.Name), uint32(ctx.Int(apiBacktraceLimitFlag.Name)), uint64(ctx.Int(apiCallGasLimitFlag.Name)))
defer func() { log.Info("closing API..."); apiCloser() }()
apiURL, srvCloser := startAPIServer(ctx, apiHandler, chain.GenesisBlock().Header().ID())
defer func() { log.Info("stopping API server..."); srvCloser() }()
printStartupMessage(gene, chain, master, instanceDir, apiURL)
p2pcom.Start()
defer p2pcom.Stop()
return node.New(
master,
chain,
state.NewCreator(mainDB),
logDB,
txPool,
filepath.Join(instanceDir, "tx.stash"),
p2pcom.comm,
uint64(ctx.Int(targetGasLimitFlag.Name))).
Run(exitSignal)
}
func soloAction(ctx *cli.Context) error {
defer func() { log.Info("exited") }()
initLogger(ctx)
gene := genesis.NewDevnet()
var mainDB *lvldb.LevelDB
var logDB *logdb.LogDB
var instanceDir string
if ctx.Bool("persist") {
instanceDir = makeInstanceDir(ctx, gene)
mainDB = openMainDB(ctx, instanceDir)
logDB = openLogDB(ctx, instanceDir)
} else {
instanceDir = "Memory"
mainDB = openMemMainDB()
logDB = openMemLogDB()
}
defer func() { log.Info("closing main database..."); mainDB.Close() }()
defer func() { log.Info("closing log database..."); logDB.Close() }()
chain := initChain(gene, mainDB, logDB)
txPool := txpool.New(chain, state.NewCreator(mainDB), defaultTxPoolOptions)
defer func() { log.Info("closing tx pool..."); txPool.Close() }()
apiHandler, apiCloser := api.New(chain, state.NewCreator(mainDB), txPool, logDB, solo.Communicator{}, ctx.String(apiCorsFlag.Name), uint32(ctx.Int(apiBacktraceLimitFlag.Name)), uint64(ctx.Int(apiCallGasLimitFlag.Name)))
defer func() { log.Info("closing API..."); apiCloser() }()
apiURL, srvCloser := startAPIServer(ctx, apiHandler, chain.GenesisBlock().Header().ID())
defer func() { log.Info("stopping API server..."); srvCloser() }()
printSoloStartupMessage(gene, chain, instanceDir, apiURL)
return solo.New(chain,
state.NewCreator(mainDB),
logDB,
txPool,
uint64(ctx.Int("gas-limit")),
ctx.Bool("on-demand")).Run(handleExitSignal())
}
func masterKeyAction(ctx *cli.Context) error {
hasImportFlag := ctx.Bool(importMasterKeyFlag.Name)
hasExportFlag := ctx.Bool(exportMasterKeyFlag.Name)
if hasImportFlag && hasExportFlag {
return fmt.Errorf("flag %s and %s are exclusive", importMasterKeyFlag.Name, exportMasterKeyFlag.Name)
}
if !hasImportFlag && !hasExportFlag {
return fmt.Errorf("missing flag, either %s or %s", importMasterKeyFlag.Name, exportMasterKeyFlag.Name)
}
if hasImportFlag {
if isatty.IsTerminal(os.Stdin.Fd()) {
fmt.Println("Input JSON keystore (end with ^d):")
}
keyjson, err := ioutil.ReadAll(os.Stdin)
if err != nil {
return err
}
if err := json.Unmarshal(keyjson, &map[string]interface{}{}); err != nil {
return errors.WithMessage(err, "unmarshal")
}
password, err := readPasswordFromNewTTY("Enter passphrase: ")
if err != nil {
return err
}
key, err := keystore.DecryptKey(keyjson, password)
if err != nil {
return errors.WithMessage(err, "decrypt")
}
if err := crypto.SaveECDSA(masterKeyPath(ctx), key.PrivateKey); err != nil {
return err
}
fmt.Println("Master key imported:", powerplay.Address(key.Address))
return nil
}
if hasExportFlag {
masterKey, err := loadOrGeneratePrivateKey(masterKeyPath(ctx))
if err != nil {
return err
}
password, err := readPasswordFromNewTTY("Enter passphrase: ")
if err != nil {
return err
}
if password == "" {
return errors.New("non-empty passphrase required")
}
confirm, err := readPasswordFromNewTTY("Confirm passphrase: ")
if err != nil {
return err
}
if password != confirm {
return errors.New("passphrase confirmation mismatch")
}
keyjson, err := keystore.EncryptKey(&keystore.Key{
PrivateKey: masterKey,
Address: crypto.PubkeyToAddress(masterKey.PublicKey),
Id: uuid.NewRandom()},
password, keystore.StandardScryptN, keystore.StandardScryptP)
if err != nil {
return err
}
if isatty.IsTerminal(os.Stdout.Fd()) {
fmt.Println("=== JSON keystore ===")
}
_, err = fmt.Println(string(keyjson))
return err
}
return nil
}