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320 lines
7.9 KiB
320 lines
7.9 KiB
package main
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import (
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"context"
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"errors"
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"fmt"
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"net"
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"net/http"
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"os"
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"path/filepath"
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"strings"
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"time"
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"github.com/spf13/viper"
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"google.golang.org/grpc"
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abciclient "github.com/tendermint/tendermint/abci/client"
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"github.com/tendermint/tendermint/abci/server"
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"github.com/tendermint/tendermint/config"
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"github.com/tendermint/tendermint/crypto/ed25519"
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"github.com/tendermint/tendermint/internal/p2p"
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"github.com/tendermint/tendermint/libs/log"
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tmnet "github.com/tendermint/tendermint/libs/net"
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"github.com/tendermint/tendermint/light"
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lproxy "github.com/tendermint/tendermint/light/proxy"
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lrpc "github.com/tendermint/tendermint/light/rpc"
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dbs "github.com/tendermint/tendermint/light/store/db"
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"github.com/tendermint/tendermint/node"
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"github.com/tendermint/tendermint/privval"
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grpcprivval "github.com/tendermint/tendermint/privval/grpc"
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privvalproto "github.com/tendermint/tendermint/proto/tendermint/privval"
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rpcserver "github.com/tendermint/tendermint/rpc/jsonrpc/server"
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"github.com/tendermint/tendermint/test/e2e/app"
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e2e "github.com/tendermint/tendermint/test/e2e/pkg"
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)
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var logger = log.MustNewDefaultLogger(log.LogFormatPlain, log.LogLevelInfo, false)
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// main is the binary entrypoint.
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func main() {
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if len(os.Args) != 2 {
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fmt.Printf("Usage: %v <configfile>", os.Args[0])
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return
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}
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configFile := ""
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if len(os.Args) == 2 {
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configFile = os.Args[1]
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}
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if err := run(configFile); err != nil {
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logger.Error(err.Error())
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os.Exit(1)
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}
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}
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// run runs the application - basically like main() with error handling.
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func run(configFile string) error {
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cfg, err := LoadConfig(configFile)
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if err != nil {
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return err
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}
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// Start remote signer (must start before node if running builtin).
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if cfg.PrivValServer != "" {
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if err = startSigner(cfg); err != nil {
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return err
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}
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if cfg.Protocol == "builtin" {
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time.Sleep(1 * time.Second)
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}
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}
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// Start app server.
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switch cfg.Protocol {
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case "socket", "grpc":
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err = startApp(cfg)
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case "builtin":
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switch cfg.Mode {
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case string(e2e.ModeLight):
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err = startLightNode(cfg)
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case string(e2e.ModeSeed):
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err = startSeedNode()
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default:
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err = startNode(cfg)
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}
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default:
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err = fmt.Errorf("invalid protocol %q", cfg.Protocol)
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}
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if err != nil {
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return err
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}
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// Apparently there's no way to wait for the server, so we just sleep
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for {
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time.Sleep(1 * time.Hour)
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}
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}
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// startApp starts the application server, listening for connections from Tendermint.
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func startApp(cfg *Config) error {
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app, err := app.NewApplication(cfg.App())
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if err != nil {
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return err
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}
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server, err := server.NewServer(cfg.Listen, cfg.Protocol, app)
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if err != nil {
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return err
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}
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err = server.Start()
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if err != nil {
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return err
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}
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logger.Info(fmt.Sprintf("Server listening on %v (%v protocol)", cfg.Listen, cfg.Protocol))
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return nil
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}
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// startNode starts a Tendermint node running the application directly. It assumes the Tendermint
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// configuration is in $TMHOME/config/tendermint.toml.
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//
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// FIXME There is no way to simply load the configuration from a file, so we need to pull in Viper.
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func startNode(cfg *Config) error {
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app, err := app.NewApplication(cfg.App())
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if err != nil {
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return err
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}
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tmcfg, nodeLogger, err := setupNode()
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if err != nil {
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return fmt.Errorf("failed to setup config: %w", err)
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}
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n, err := node.New(tmcfg,
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nodeLogger,
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abciclient.NewLocalCreator(app),
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nil,
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)
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if err != nil {
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return err
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}
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return n.Start()
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}
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func startSeedNode() error {
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tmcfg, nodeLogger, err := setupNode()
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if err != nil {
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return fmt.Errorf("failed to setup config: %w", err)
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}
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tmcfg.Mode = config.ModeSeed
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n, err := node.New(tmcfg, nodeLogger, nil, nil)
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if err != nil {
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return err
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}
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return n.Start()
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}
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func startLightNode(cfg *Config) error {
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tmcfg, nodeLogger, err := setupNode()
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if err != nil {
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return err
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}
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dbContext := &config.DBContext{ID: "light", Config: tmcfg}
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lightDB, err := config.DefaultDBProvider(dbContext)
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if err != nil {
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return err
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}
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providers := rpcEndpoints(tmcfg.P2P.PersistentPeers)
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c, err := light.NewHTTPClient(
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context.Background(),
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cfg.ChainID,
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light.TrustOptions{
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Period: tmcfg.StateSync.TrustPeriod,
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Height: tmcfg.StateSync.TrustHeight,
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Hash: tmcfg.StateSync.TrustHashBytes(),
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},
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providers[0],
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providers[1:],
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dbs.New(lightDB),
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light.Logger(nodeLogger),
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)
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if err != nil {
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return err
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}
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rpccfg := rpcserver.DefaultConfig()
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rpccfg.MaxBodyBytes = tmcfg.RPC.MaxBodyBytes
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rpccfg.MaxHeaderBytes = tmcfg.RPC.MaxHeaderBytes
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rpccfg.MaxOpenConnections = tmcfg.RPC.MaxOpenConnections
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// If necessary adjust global WriteTimeout to ensure it's greater than
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// TimeoutBroadcastTxCommit.
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// See https://github.com/tendermint/tendermint/issues/3435
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if rpccfg.WriteTimeout <= tmcfg.RPC.TimeoutBroadcastTxCommit {
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rpccfg.WriteTimeout = tmcfg.RPC.TimeoutBroadcastTxCommit + 1*time.Second
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}
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p, err := lproxy.NewProxy(c, tmcfg.RPC.ListenAddress, providers[0], rpccfg, nodeLogger,
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lrpc.KeyPathFn(lrpc.DefaultMerkleKeyPathFn()))
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if err != nil {
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return err
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}
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logger.Info("Starting proxy...", "laddr", tmcfg.RPC.ListenAddress)
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if err := p.ListenAndServe(); err != http.ErrServerClosed {
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// Error starting or closing listener:
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logger.Error("proxy ListenAndServe", "err", err)
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}
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return nil
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}
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// startSigner starts a signer server connecting to the given endpoint.
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func startSigner(cfg *Config) error {
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filePV, err := privval.LoadFilePV(cfg.PrivValKey, cfg.PrivValState)
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if err != nil {
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return err
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}
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protocol, address := tmnet.ProtocolAndAddress(cfg.PrivValServer)
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var dialFn privval.SocketDialer
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switch protocol {
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case "tcp":
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dialFn = privval.DialTCPFn(address, 3*time.Second, ed25519.GenPrivKey())
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case "unix":
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dialFn = privval.DialUnixFn(address)
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case "grpc":
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lis, err := net.Listen("tcp", address)
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if err != nil {
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return err
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}
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ss := grpcprivval.NewSignerServer(cfg.ChainID, filePV, logger)
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s := grpc.NewServer()
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privvalproto.RegisterPrivValidatorAPIServer(s, ss)
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go func() { // no need to clean up since we remove docker containers
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if err := s.Serve(lis); err != nil {
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panic(err)
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}
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}()
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return nil
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default:
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return fmt.Errorf("invalid privval protocol %q", protocol)
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}
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endpoint := privval.NewSignerDialerEndpoint(logger, dialFn,
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privval.SignerDialerEndpointRetryWaitInterval(1*time.Second),
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privval.SignerDialerEndpointConnRetries(100))
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err = privval.NewSignerServer(endpoint, cfg.ChainID, filePV).Start()
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if err != nil {
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return err
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}
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logger.Info(fmt.Sprintf("Remote signer connecting to %v", cfg.PrivValServer))
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return nil
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}
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func setupNode() (*config.Config, log.Logger, error) {
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var tmcfg *config.Config
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home := os.Getenv("TMHOME")
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if home == "" {
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return nil, nil, errors.New("TMHOME not set")
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}
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viper.AddConfigPath(filepath.Join(home, "config"))
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viper.SetConfigName("config")
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if err := viper.ReadInConfig(); err != nil {
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return nil, nil, err
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}
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tmcfg = config.DefaultConfig()
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if err := viper.Unmarshal(tmcfg); err != nil {
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return nil, nil, err
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}
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tmcfg.SetRoot(home)
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if err := tmcfg.ValidateBasic(); err != nil {
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return nil, nil, fmt.Errorf("error in config file: %w", err)
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}
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nodeLogger, err := log.NewDefaultLogger(tmcfg.LogFormat, tmcfg.LogLevel, false)
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if err != nil {
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return nil, nil, err
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}
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return tmcfg, nodeLogger.With("module", "main"), nil
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}
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// rpcEndpoints takes a list of persistent peers and splits them into a list of rpc endpoints
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// using 26657 as the port number
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func rpcEndpoints(peers string) []string {
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arr := strings.Split(peers, ",")
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endpoints := make([]string, len(arr))
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for i, v := range arr {
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addr, err := p2p.ParseNodeAddress(v)
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if err != nil {
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panic(err)
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}
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// use RPC port instead
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addr.Port = 26657
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var rpcEndpoint string
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// for ipv6 addresses
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if strings.Contains(addr.Hostname, ":") {
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rpcEndpoint = "http://[" + addr.Hostname + "]:" + fmt.Sprint(addr.Port)
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} else { // for ipv4 addresses
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rpcEndpoint = "http://" + addr.Hostname + ":" + fmt.Sprint(addr.Port)
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}
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endpoints[i] = rpcEndpoint
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}
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return endpoints
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}
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