mirror of
https://github.com/fluencelabs/tendermint
synced 2025-06-12 04:41:22 +00:00
104 lines
3.3 KiB
Go
104 lines
3.3 KiB
Go
package commands
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import (
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"fmt"
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"io/ioutil"
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"time"
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"github.com/pkg/errors"
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"github.com/spf13/cobra"
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"github.com/tendermint/tendermint/node"
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"github.com/tendermint/tendermint/types"
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cmn "github.com/tendermint/tmlibs/common"
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)
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var runNodeCmd = &cobra.Command{
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Use: "node",
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Short: "Run the tendermint node",
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RunE: runNode,
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}
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func init() {
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AddNodeFlags(runNodeCmd)
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RootCmd.AddCommand(runNodeCmd)
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}
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// AddNodeFlags exposes some common configuration options on the command-line
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// These are exposed for convenience of commands embedding a tendermint node
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func AddNodeFlags(cmd *cobra.Command) {
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// bind flags
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cmd.Flags().String("moniker", config.Moniker, "Node Name")
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// node flags
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cmd.Flags().Bool("fast_sync", config.FastSync, "Fast blockchain syncing")
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// abci flags
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cmd.Flags().String("proxy_app", config.ProxyApp, "Proxy app address, or 'nilapp' or 'dummy' for local testing.")
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cmd.Flags().String("abci", config.ABCI, "Specify abci transport (socket | grpc)")
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// rpc flags
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cmd.Flags().String("rpc.laddr", config.RPC.ListenAddress, "RPC listen address. Port required")
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cmd.Flags().String("rpc.grpc_laddr", config.RPC.GRPCListenAddress, "GRPC listen address (BroadcastTx only). Port required")
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cmd.Flags().Bool("rpc.unsafe", config.RPC.Unsafe, "Enabled unsafe rpc methods")
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// p2p flags
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cmd.Flags().String("p2p.laddr", config.P2P.ListenAddress, "Node listen address. (0.0.0.0:0 means any interface, any port)")
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cmd.Flags().String("p2p.seeds", config.P2P.Seeds, "Comma delimited host:port seed nodes")
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cmd.Flags().Bool("p2p.skip_upnp", config.P2P.SkipUPNP, "Skip UPNP configuration")
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cmd.Flags().Bool("p2p.pex", config.P2P.PexReactor, "Enable Peer-Exchange (dev feature)")
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}
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func ParseGenesisFile(genDocFile string) (*types.GenesisDoc, error) {
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jsonBlob, err := ioutil.ReadFile(genDocFile)
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if err != nil {
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return nil, errors.Wrap(err, "Couldn't read GenesisDoc file")
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}
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genDoc, err := types.GenesisDocFromJSON(jsonBlob)
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if err != nil {
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return nil, errors.Wrap(err, "Error reading GenesisDoc")
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}
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if genDoc.ChainID == "" {
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return nil, errors.Errorf("Genesis doc %v must include non-empty chain_id", genDocFile)
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}
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return genDoc, nil
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}
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// Users wishing to:
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// * Use an external signer for their validators
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// * Supply an in-proc abci app
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// should import github.com/tendermint/tendermint/node and implement
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// their own run_node to call node.NewNode (instead of node.NewNodeDefault)
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// with their custom priv validator and/or custom proxy.ClientCreator
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func runNode(cmd *cobra.Command, args []string) error {
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// Wait until the genesis doc becomes available
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// This is for Mintnet compatibility.
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// TODO: If Mintnet gets deprecated or genesis_file is
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// always available, remove.
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genDocFile := config.GenesisFile()
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for !cmn.FileExists(genDocFile) {
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logger.Info(cmn.Fmt("Waiting for genesis file %v...", genDocFile))
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time.Sleep(time.Second)
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}
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genDoc, err := ParseGenesisFile(genDocFile)
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if err != nil {
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return err
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}
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config.ChainID = genDoc.ChainID
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// Create & start node
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n := node.NewNodeDefault(config, logger.With("module", "node"))
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if _, err := n.Start(); err != nil {
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return fmt.Errorf("Failed to start node: %v", err)
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} else {
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logger.Info("Started node", "nodeInfo", n.Switch().NodeInfo())
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}
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// Trap signal, run forever.
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n.RunForever()
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return nil
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}
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