/
start.go
162 lines (135 loc) · 4.02 KB
/
start.go
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package server
import (
"github.com/pkg/errors"
"github.com/spf13/cobra"
"github.com/spf13/viper"
"github.com/aximchain/axc-cosmos-sdk/server/concurrent"
"github.com/tendermint/tendermint/abci/server"
tcmd "github.com/tendermint/tendermint/cmd/tendermint/commands"
cmn "github.com/tendermint/tendermint/libs/common"
"github.com/tendermint/tendermint/node"
"github.com/tendermint/tendermint/p2p"
pvm "github.com/tendermint/tendermint/privval"
"github.com/tendermint/tendermint/proxy"
tmstore "github.com/tendermint/tendermint/store"
)
const (
flagWithTendermint = "with-tendermint"
flagAddress = "address"
flagTraceStore = "trace-store"
flagPruning = "pruning"
flagSequentialABCI = "seq-abci"
)
var BlockStore *tmstore.BlockStore
// StartCmd runs the service passed in, either stand-alone or in-process with
// Tendermint.
func StartCmd(ctx *Context, appCreator AppCreator) *cobra.Command {
cmd := &cobra.Command{
Use: "start",
Short: "Run the full node",
RunE: func(cmd *cobra.Command, args []string) error {
if !viper.GetBool(flagWithTendermint) {
ctx.Logger.Info("Starting ABCI without Tendermint")
return startStandAlone(ctx, appCreator)
}
ctx.Logger.Info("Starting ABCI with Tendermint")
_, err := startInProcess(ctx, appCreator)
return err
},
}
// core flags for the ABCI application
cmd.Flags().Bool(flagWithTendermint, true, "Run abci app embedded in-process with tendermint")
cmd.Flags().String(flagAddress, "tcp://0.0.0.0:26658", "Listen address")
cmd.Flags().String(flagTraceStore, "", "Enable KVStore tracing to an output file")
cmd.Flags().Bool(flagSequentialABCI, false, "Run abci app in sync mode")
cmd.Flags().String(flagPruning, "syncable", "Pruning strategy: syncable, nothing, everything")
// add support for all Tendermint-specific command line options
tcmd.AddNodeFlags(cmd)
return cmd
}
func startStandAlone(ctx *Context, appCreator AppCreator) error {
addr := viper.GetString(flagAddress)
home := viper.GetString("home")
traceWriterFile := viper.GetString(flagTraceStore)
db, err := openDB(home)
if err != nil {
return err
}
traceWriter, err := openTraceWriter(traceWriterFile)
if err != nil {
return err
}
app := appCreator(ctx.Logger, db, traceWriter)
svr, err := server.NewServer(addr, "socket", app)
if err != nil {
return errors.Errorf("error creating listener: %v\n", err)
}
svr.SetLogger(ctx.Logger.With("module", "abci-server"))
err = svr.Start()
if err != nil {
cmn.Exit(err.Error())
}
// wait forever
cmn.TrapSignal(ctx.Logger, func() {
// cleanup
err = svr.Stop()
if err != nil {
cmn.Exit(err.Error())
}
})
select {}
return nil
}
// nolint: unparam
func startInProcess(ctx *Context, appCreator AppCreator) (*node.Node, error) {
cfg := ctx.Config
traceWriterFile := viper.GetString(flagTraceStore)
isSequentialABCI := viper.GetBool(flagSequentialABCI)
dbProvider := node.DefaultDBProvider
db, err := dbProvider(&node.DBContext{"application", cfg})
if err != nil {
return nil, err
}
traceWriter, err := openTraceWriter(traceWriterFile)
if err != nil {
return nil, err
}
app := appCreator(ctx.Logger, db, traceWriter)
nodeKey, err := p2p.LoadOrGenNodeKey(cfg.NodeKeyFile())
if err != nil {
return nil, err
}
var cliCreator proxy.ClientCreator
if isSequentialABCI {
cliCreator = proxy.NewLocalClientCreator(app)
} else {
cliCreator = concurrent.NewAsyncLocalClientCreator(app,
ctx.Logger.With("module", "abciCli"))
}
// create & start tendermint node
tmNode, err := node.NewNode(
cfg,
pvm.LoadOrGenFilePV(cfg.PrivValidatorKeyFile(), cfg.PrivValidatorStateFile()),
nodeKey,
cliCreator,
node.DefaultGenesisDocProviderFunc(cfg),
dbProvider,
node.DefaultMetricsProvider(cfg.Instrumentation),
ctx.Logger.With("module", "node"),
)
if err != nil {
return nil, err
}
BlockStore = tmNode.BlockStore()
err = tmNode.Start()
if err != nil {
return nil, err
}
TrapSignal(func() {
if tmNode.IsRunning() {
_ = tmNode.Stop()
}
})
// run forever (the node will not be returned)
select {}
}