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main.go
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main.go
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// Copyright (c) 2019 IoTeX Foundation
// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
// License 2.0 that can be found in the LICENSE file.
// Usage:
// make build
// ./bin/server -config-file=./config.yaml
//
package main
import (
"context"
"flag"
"fmt"
glog "log"
"os"
"os/signal"
"strings"
"syscall"
"github.com/iotexproject/go-pkgs/hash"
_ "go.uber.org/automaxprocs"
"go.uber.org/zap"
"github.com/iotexproject/iotex-core/blockchain/block"
"github.com/iotexproject/iotex-core/blockchain/genesis"
"github.com/iotexproject/iotex-core/config"
"github.com/iotexproject/iotex-core/pkg/log"
"github.com/iotexproject/iotex-core/pkg/probe"
"github.com/iotexproject/iotex-core/server/itx"
)
/**
* overwritePath is the path to the config file which overwrite default values
* secretPath is the path to the config file store secret values
*/
var (
genesisPath string
_overwritePath string
_secretPath string
_subChainPath string
_plugins strs
)
type strs []string
func (ss *strs) String() string {
return strings.Join(*ss, ",")
}
func (ss *strs) Set(str string) error {
*ss = append(*ss, str)
return nil
}
func init() {
flag.StringVar(&genesisPath, "genesis-path", "", "Genesis path")
flag.StringVar(&_overwritePath, "config-path", "", "Config path")
flag.StringVar(&_secretPath, "secret-path", "", "Secret path")
flag.StringVar(&_subChainPath, "sub-config-path", "", "Sub chain Config path")
flag.Var(&_plugins, "plugin", "Plugin of the node")
flag.Usage = func() {
_, _ = fmt.Fprintf(os.Stderr,
"usage: server -config-path=[string]\n")
flag.PrintDefaults()
os.Exit(2)
}
flag.Parse()
}
func main() {
stop := make(chan os.Signal, 1)
signal.Notify(stop, os.Interrupt)
signal.Notify(stop, syscall.SIGTERM)
ctx, cancel := context.WithCancel(context.Background())
stopped := make(chan struct{})
livenessCtx, livenessCancel := context.WithCancel(context.Background())
genesisCfg, err := genesis.New(genesisPath)
if err != nil {
glog.Fatalln("Failed to new genesis config.", zap.Error(err))
}
// set genesis timestamp
genesis.SetGenesisTimestamp(genesisCfg.Timestamp)
if genesis.Timestamp() == 0 {
glog.Fatalln("Genesis timestamp is not set, call genesis.New() first")
}
// load genesis block's hash
block.LoadGenesisHash(&genesisCfg)
if block.GenesisHash() == hash.ZeroHash256 {
glog.Fatalln("Genesis hash is not set, call block.LoadGenesisHash() first")
}
cfg, err := config.New([]string{_overwritePath, _secretPath}, _plugins)
if err != nil {
glog.Fatalln("Failed to new config.", zap.Error(err))
}
if err = initLogger(cfg); err != nil {
glog.Fatalln("Cannot config global logger, use default one: ", zap.Error(err))
}
// populdate chain ID
config.SetEVMNetworkID(cfg.Chain.EVMNetworkID)
if config.EVMNetworkID() == 0 {
glog.Fatalln("EVM Network ID is not set, call config.New() first")
}
cfg.Genesis = genesisCfg
cfgToLog := cfg
cfgToLog.Chain.ProducerPrivKey = ""
cfgToLog.Network.MasterKey = ""
log.S().Infof("Config in use: %+v", cfgToLog)
log.S().Infof("EVM Network ID: %d", config.EVMNetworkID())
log.S().Infof("Genesis timestamp: %d", genesisCfg.Timestamp)
log.S().Infof("Genesis hash: %x", block.GenesisHash())
// liveness start
probeSvr := probe.New(cfg.System.HTTPStatsPort)
if err := probeSvr.Start(ctx); err != nil {
log.L().Fatal("Failed to start probe server.", zap.Error(err))
}
go func() {
<-stop
// start stopping
cancel()
<-stopped
// liveness end
if err := probeSvr.Stop(livenessCtx); err != nil {
log.L().Error("Error when stopping probe server.", zap.Error(err))
}
livenessCancel()
}()
// create and start the node
svr, err := itx.NewServer(cfg)
if err != nil {
log.L().Fatal("Failed to create server.", zap.Error(err))
}
var cfgsub config.Config
if _subChainPath != "" {
cfgsub, err = config.NewSub([]string{_secretPath, _subChainPath})
if err != nil {
log.L().Fatal("Failed to new sub chain config.", zap.Error(err))
}
} else {
cfgsub = config.Config{}
}
if cfgsub.Chain.ID != 0 {
if err := svr.NewSubChainService(cfgsub); err != nil {
log.L().Fatal("Failed to new sub chain.", zap.Error(err))
}
}
itx.StartServer(ctx, svr, probeSvr, cfg)
close(stopped)
<-livenessCtx.Done()
}
func initLogger(cfg config.Config) error {
addr := cfg.ProducerAddress()
return log.InitLoggers(cfg.Log, cfg.SubLogs, zap.Fields(
zap.String("ioAddr", addr.String()),
))
}