You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
157 lines
4.5 KiB
157 lines
4.5 KiB
package commands
|
|
|
|
import (
|
|
"bytes"
|
|
"crypto/sha256"
|
|
"fmt"
|
|
"io"
|
|
"os"
|
|
|
|
"github.com/spf13/cobra"
|
|
|
|
cfg "github.com/tendermint/tendermint/config"
|
|
tmos "github.com/tendermint/tendermint/libs/os"
|
|
nm "github.com/tendermint/tendermint/node"
|
|
)
|
|
|
|
var (
|
|
genesisHash []byte
|
|
)
|
|
|
|
// AddNodeFlags exposes some common configuration options on the command-line
|
|
// These are exposed for convenience of commands embedding a tendermint node
|
|
func AddNodeFlags(cmd *cobra.Command) {
|
|
// bind flags
|
|
cmd.Flags().String("moniker", config.Moniker, "Node Name")
|
|
|
|
// priv val flags
|
|
cmd.Flags().String(
|
|
"priv_validator_laddr",
|
|
config.PrivValidatorListenAddr,
|
|
"Socket address to listen on for connections from external priv_validator process")
|
|
|
|
// node flags
|
|
cmd.Flags().Bool("fast_sync", config.FastSyncMode, "Fast blockchain syncing")
|
|
cmd.Flags().BytesHexVar(
|
|
&genesisHash,
|
|
"genesis_hash",
|
|
[]byte{},
|
|
"Optional SHA-256 hash of the genesis file")
|
|
|
|
// abci flags
|
|
cmd.Flags().String(
|
|
"proxy_app",
|
|
config.ProxyApp,
|
|
"Proxy app address, or one of: 'kvstore',"+
|
|
" 'persistent_kvstore',"+
|
|
" 'counter',"+
|
|
" 'counter_serial' or 'noop' for local testing.")
|
|
cmd.Flags().String("abci", config.ABCI, "Specify abci transport (socket | grpc)")
|
|
|
|
// rpc flags
|
|
cmd.Flags().String("rpc.laddr", config.RPC.ListenAddress, "RPC listen address. Port required")
|
|
cmd.Flags().String(
|
|
"rpc.grpc_laddr",
|
|
config.RPC.GRPCListenAddress,
|
|
"GRPC listen address (BroadcastTx only). Port required")
|
|
cmd.Flags().Bool("rpc.unsafe", config.RPC.Unsafe, "Enabled unsafe rpc methods")
|
|
|
|
// p2p flags
|
|
cmd.Flags().String(
|
|
"p2p.laddr",
|
|
config.P2P.ListenAddress,
|
|
"Node listen address. (0.0.0.0:0 means any interface, any port)")
|
|
cmd.Flags().String("p2p.seeds", config.P2P.Seeds, "Comma-delimited ID@host:port seed nodes")
|
|
cmd.Flags().String("p2p.persistent_peers", config.P2P.PersistentPeers, "Comma-delimited ID@host:port persistent peers")
|
|
cmd.Flags().String("p2p.unconditional_peer_ids",
|
|
config.P2P.UnconditionalPeerIDs, "Comma-delimited IDs of unconditional peers")
|
|
cmd.Flags().Bool("p2p.upnp", config.P2P.UPNP, "Enable/disable UPNP port forwarding")
|
|
cmd.Flags().Bool("p2p.pex", config.P2P.PexReactor, "Enable/disable Peer-Exchange")
|
|
cmd.Flags().Bool("p2p.seed_mode", config.P2P.SeedMode, "Enable/disable seed mode")
|
|
cmd.Flags().String("p2p.private_peer_ids", config.P2P.PrivatePeerIDs, "Comma-delimited private peer IDs")
|
|
|
|
// consensus flags
|
|
cmd.Flags().Bool(
|
|
"consensus.create_empty_blocks",
|
|
config.Consensus.CreateEmptyBlocks,
|
|
"Set this to false to only produce blocks when there are txs or when the AppHash changes")
|
|
cmd.Flags().String(
|
|
"consensus.create_empty_blocks_interval",
|
|
config.Consensus.CreateEmptyBlocksInterval.String(),
|
|
"The possible interval between empty blocks")
|
|
|
|
// db flags
|
|
cmd.Flags().String(
|
|
"db_backend",
|
|
config.DBBackend,
|
|
"Database backend: goleveldb | cleveldb | boltdb | rocksdb")
|
|
cmd.Flags().String(
|
|
"db_dir",
|
|
config.DBPath,
|
|
"Database directory")
|
|
}
|
|
|
|
// NewRunNodeCmd returns the command that allows the CLI to start a node.
|
|
// It can be used with a custom PrivValidator and in-process ABCI application.
|
|
func NewRunNodeCmd(nodeProvider nm.Provider) *cobra.Command {
|
|
cmd := &cobra.Command{
|
|
Use: "node",
|
|
Short: "Run the tendermint node",
|
|
RunE: func(cmd *cobra.Command, args []string) error {
|
|
if err := checkGenesisHash(config); err != nil {
|
|
return err
|
|
}
|
|
|
|
n, err := nodeProvider(config, logger)
|
|
if err != nil {
|
|
return fmt.Errorf("failed to create node: %w", err)
|
|
}
|
|
|
|
if err := n.Start(); err != nil {
|
|
return fmt.Errorf("failed to start node: %w", err)
|
|
}
|
|
|
|
logger.Info("Started node", "nodeInfo", n.Switch().NodeInfo())
|
|
|
|
// Stop upon receiving SIGTERM or CTRL-C.
|
|
tmos.TrapSignal(logger, func() {
|
|
if n.IsRunning() {
|
|
n.Stop()
|
|
}
|
|
})
|
|
|
|
// Run forever.
|
|
select {}
|
|
},
|
|
}
|
|
|
|
AddNodeFlags(cmd)
|
|
return cmd
|
|
}
|
|
|
|
func checkGenesisHash(config *cfg.Config) error {
|
|
if len(genesisHash) == 0 || config.Genesis == "" {
|
|
return nil
|
|
}
|
|
|
|
// Calculate SHA-256 hash of the genesis file.
|
|
f, err := os.Open(config.GenesisFile())
|
|
if err != nil {
|
|
return fmt.Errorf("can't open genesis file: %w", err)
|
|
}
|
|
defer f.Close()
|
|
h := sha256.New()
|
|
if _, err := io.Copy(h, f); err != nil {
|
|
return fmt.Errorf("error when hashing genesis file: %w", err)
|
|
}
|
|
actualHash := h.Sum(nil)
|
|
|
|
// Compare with the flag.
|
|
if !bytes.Equal(genesisHash, actualHash) {
|
|
return fmt.Errorf(
|
|
"--genesis_hash=%X does not match %s hash: %X",
|
|
genesisHash, config.GenesisFile(), actualHash)
|
|
}
|
|
|
|
return nil
|
|
}
|