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run_node.go
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run_node.go
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package commands
import (
"fmt"
"github.com/spf13/cobra"
nm "github.com/tendermint/tendermint/node"
)
// 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.FastSync, "Fast blockchain syncing")
// abci flags
cmd.Flags().String("proxy_app", config.ProxyApp, "Proxy app address, or 'nilapp' or 'kvstore' 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().Bool("p2p.skip_upnp", config.P2P.SkipUPNP, "Skip UPNP configuration")
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")
}
// 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.NodeProvider) *cobra.Command {
cmd := &cobra.Command{
Use: "node",
Short: "Run the tendermint node",
RunE: func(cmd *cobra.Command, args []string) error {
// Create & start node
n, err := nodeProvider(config, logger)
if err != nil {
return fmt.Errorf("Failed to create node: %v", err)
}
if err := n.Start(); err != nil {
return fmt.Errorf("Failed to start node: %v", err)
}
logger.Info("Started node", "nodeInfo", n.Switch().NodeInfo())
// Trap signal, run forever.
n.RunForever()
return nil
},
}
AddNodeFlags(cmd)
return cmd
}