223 lines
5.5 KiB
Go
223 lines
5.5 KiB
Go
package cli
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import (
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"fmt"
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"io"
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abciApp "lbc/abciapp"
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cfg "lbc/configfunctions"
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"lbc/yggdrasil"
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"os"
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"os/signal"
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"path/filepath"
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"syscall"
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"github.com/dgraph-io/badger"
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"github.com/spf13/viper"
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abci "github.com/tendermint/tendermint/abci/types"
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"github.com/tendermint/tendermint/libs/log"
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nm "github.com/tendermint/tendermint/node"
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"github.com/tendermint/tendermint/p2p"
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"github.com/tendermint/tendermint/privval"
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"github.com/tendermint/tendermint/proxy"
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tmTypes "github.com/tendermint/tendermint/types"
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)
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var defaultConfigPath string
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var dbPath string
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func init() {
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rootCmd.PersistentFlags().StringVar(&defaultConfigPath, "config", "./config/config.toml", "Путь к конфигурационному файлу")
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rootCmd.PersistentFlags().StringVar(&dbPath, "badger", "./badger", "Путь к базе данных BadgerDB")
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}
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func newTendermint(app abci.Application, configFile string, v *viper.Viper) (*nm.Node, error) {
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config, err := cfg.ReadConfig(configFile)
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if err != nil {
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return nil, fmt.Errorf("конфигурация не прочитана: %w", err)
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}
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laddrReturner := make(chan string, 2)
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go yggdrasil.Yggdrasil(v, laddrReturner)
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config.P2P.ListenAddress = "tcp://" + <-laddrReturner
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config.P2P.PersistentPeers = <-laddrReturner
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var pv tmTypes.PrivValidator
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if _, err := os.Stat(config.PrivValidatorKeyFile()); err == nil {
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pv = privval.LoadFilePV(
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config.PrivValidatorKeyFile(),
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config.PrivValidatorStateFile(),
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)
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} else {
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fmt.Println("⚠️ priv_validator_key.json not found. Node will run as non-validator.")
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pv = tmTypes.NewMockPV()
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}
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nodeKey, err := p2p.LoadNodeKey(config.NodeKeyFile())
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if err != nil {
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return nil, fmt.Errorf("load node key: %w", err)
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}
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clientCreator := proxy.NewLocalClientCreator(app)
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logger := log.NewTMLogger(log.NewSyncWriter(os.Stdout))
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return nm.NewNode(
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config,
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pv,
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nodeKey,
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clientCreator,
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nm.DefaultGenesisDocProviderFunc(config),
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nm.DefaultDBProvider,
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nm.DefaultMetricsProvider(config.Instrumentation),
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logger,
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)
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}
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func exitWithError(msg string, err error) {
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fmt.Fprintf(os.Stderr, "%s: %v\n", msg, err)
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os.Exit(1)
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}
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func loadViperConfig(path string) (*viper.Viper, error) {
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v := viper.New()
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v.SetConfigFile(path)
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err := v.ReadInConfig()
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return v, err
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}
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func openBadger(path string) (*badger.DB, error) {
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return badger.Open(badger.DefaultOptions(path).WithTruncate(true))
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}
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func buildNode() (*nm.Node, *badger.DB, error) {
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v, err := loadViperConfig(defaultConfigPath)
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if err != nil {
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fmt.Fprintf(os.Stderr, `Конфигурационный файл не найден: %v
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Похоже, что нода ещё не инициализирована.
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Чтобы создать необходимые файлы, запусти одну из следующих команд:
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lbc --init=genesis # если это новая цепочка
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lbc --init=join # если ты присоединяешься к существующей
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По умолчанию файл конфигурации ищется по пути: %s
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`, err, defaultConfigPath)
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os.Exit(1)
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}
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db, err := openBadger(dbPath)
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if err != nil {
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exitWithError("failed to open badger db", err)
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}
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app := abciApp.NewKVStoreApplication(db)
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node, err := newTendermint(app, defaultConfigPath, v)
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if err != nil {
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exitWithError("error creating node", err)
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}
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return node, db, err
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}
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func runNode() {
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node, db, err := buildNode()
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if err != nil {
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exitWithError("failed to build node", err)
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}
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defer db.Close()
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if err := node.Start(); err != nil {
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exitWithError("failed to start node", err)
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}
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defer func() {
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node.Stop()
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node.Wait()
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}()
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sigCh := make(chan os.Signal, 1)
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signal.Notify(sigCh, syscall.SIGINT, syscall.SIGTERM)
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<-sigCh
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}
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func initGenesis() {
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config := cfg.DefaultConfig()
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config.RootDir = filepath.Dir(filepath.Dir(defaultConfigPath))
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nodeinfo := p2p.DefaultNodeInfo{}
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viper := cfg.WriteConfig(config, &defaultConfigPath, nodeinfo)
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if err := cfg.InitTendermintFiles(config); err != nil {
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fmt.Fprintf(os.Stderr, "Failed to init files: %v\n", err)
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panic(err)
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}
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node, db, err := buildNode()
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if err != nil {
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panic(err)
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}
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db.Close()
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cfg.UpdateGenesisJson(node.NodeInfo(), viper)
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fmt.Println("Genesis node initialized.")
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}
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func copyFile(src, dst string) error {
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in, err := os.Open(src)
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if err != nil {
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return err
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}
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defer in.Close()
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if err = os.MkdirAll(filepath.Dir(dst), 0o700); err != nil {
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return err
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}
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out, err := os.Create(dst)
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if err != nil {
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return err
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}
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defer func() {
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_ = out.Sync()
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_ = out.Close()
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}()
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_, err = io.Copy(out, in)
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return err
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}
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func initJoiner(path string) {
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config := cfg.DefaultConfig()
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config.RootDir = filepath.Dir(filepath.Dir(defaultConfigPath))
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if err := copyFile(path, config.GenesisFile()); err != nil {
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fmt.Fprintln(os.Stderr, "не удалось скопировать genesis.json:", err)
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os.Exit(3)
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}
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node, db, err := buildNode()
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if err != nil {
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panic(err)
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}
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defer db.Close()
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cfg.WriteConfig(config, &defaultConfigPath, node.NodeInfo())
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if err := os.MkdirAll(filepath.Join(config.RootDir, "data"), 0o700); err != nil {
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fmt.Fprintln(os.Stderr, "не удалось создать директорию data")
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os.Exit(1)
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}
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if _, err := p2p.LoadOrGenNodeKey(config.NodeKeyFile()); err != nil {
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fmt.Fprintln(os.Stderr, "ошибка генерации node_key.json")
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os.Exit(2)
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}
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pv := privval.GenFilePV(
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config.PrivValidatorKeyFile(),
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config.PrivValidatorStateFile(),
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)
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pv.Save()
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fmt.Println("Joiner node initialized.")
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}
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