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180 lines
5.0 KiB
180 lines
5.0 KiB
package main
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import (
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"flag"
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"fmt"
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"io/ioutil"
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"os"
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"path/filepath"
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"time"
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"github.com/tendermint/tendermint/crypto/ed25519"
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"github.com/tendermint/tendermint/libs/log"
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"github.com/tendermint/tendermint/privval"
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"github.com/tendermint/tendermint/tools/tm-signer-harness/internal"
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"github.com/tendermint/tendermint/version"
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)
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const (
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defaultAcceptRetries = 100
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defaultBindAddr = "tcp://127.0.0.1:0"
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defaultTMHome = "~/.tendermint"
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defaultAcceptDeadline = 1
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defaultConnDeadline = 3
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defaultExtractKeyOutput = "./signing.key"
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)
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var logger = log.NewTMLogger(log.NewSyncWriter(os.Stdout))
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// Command line flags
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var (
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flagAcceptRetries int
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flagBindAddr string
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flagTMHome string
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flagKeyOutputPath string
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)
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// Command line commands
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var (
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rootCmd *flag.FlagSet
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runCmd *flag.FlagSet
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extractKeyCmd *flag.FlagSet
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versionCmd *flag.FlagSet
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)
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func init() {
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rootCmd = flag.NewFlagSet("root", flag.ExitOnError)
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rootCmd.Usage = func() {
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fmt.Println(`Remote signer test harness for Tendermint.
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Usage:
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tm-signer-harness <command> [flags]
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Available Commands:
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extract_key Extracts a signing key from a local Tendermint instance
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help Help on the available commands
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run Runs the test harness
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version Display version information and exit
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Use "tm-signer-harness help <command>" for more information about that command.`)
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fmt.Println("")
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}
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runCmd = flag.NewFlagSet("run", flag.ExitOnError)
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runCmd.IntVar(&flagAcceptRetries,
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"accept-retries",
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defaultAcceptRetries,
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"The number of attempts to listen for incoming connections")
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runCmd.StringVar(&flagBindAddr, "addr", defaultBindAddr, "Bind to this address for the testing")
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runCmd.StringVar(&flagTMHome, "tmhome", defaultTMHome, "Path to the Tendermint home directory")
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runCmd.Usage = func() {
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fmt.Println(`Runs the remote signer test harness for Tendermint.
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Usage:
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tm-signer-harness run [flags]
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Flags:`)
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runCmd.PrintDefaults()
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fmt.Println("")
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}
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extractKeyCmd = flag.NewFlagSet("extract_key", flag.ExitOnError)
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extractKeyCmd.StringVar(&flagKeyOutputPath,
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"output",
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defaultExtractKeyOutput,
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"Path to which signing key should be written")
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extractKeyCmd.StringVar(&flagTMHome, "tmhome", defaultTMHome, "Path to the Tendermint home directory")
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extractKeyCmd.Usage = func() {
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fmt.Println(`Extracts a signing key from a local Tendermint instance for use in the remote
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signer under test.
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Usage:
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tm-signer-harness extract_key [flags]
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Flags:`)
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extractKeyCmd.PrintDefaults()
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fmt.Println("")
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}
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versionCmd = flag.NewFlagSet("version", flag.ExitOnError)
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versionCmd.Usage = func() {
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fmt.Println(`
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Prints the Tendermint version for which this remote signer harness was built.
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Usage:
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tm-signer-harness version`)
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fmt.Println("")
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}
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}
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func runTestHarness(acceptRetries int, bindAddr, tmhome string) {
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tmhome = internal.ExpandPath(tmhome)
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cfg := internal.TestHarnessConfig{
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BindAddr: bindAddr,
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KeyFile: filepath.Join(tmhome, "config", "priv_validator_key.json"),
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StateFile: filepath.Join(tmhome, "data", "priv_validator_state.json"),
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GenesisFile: filepath.Join(tmhome, "config", "genesis.json"),
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AcceptDeadline: time.Duration(defaultAcceptDeadline) * time.Second,
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AcceptRetries: acceptRetries,
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ConnDeadline: time.Duration(defaultConnDeadline) * time.Second,
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SecretConnKey: ed25519.GenPrivKey(),
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ExitWhenComplete: true,
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}
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harness, err := internal.NewTestHarness(logger, cfg)
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if err != nil {
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logger.Error(err.Error())
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if therr, ok := err.(*internal.TestHarnessError); ok {
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os.Exit(therr.Code)
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}
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os.Exit(internal.ErrOther)
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}
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harness.Run()
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}
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func extractKey(tmhome, outputPath string) {
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keyFile := filepath.Join(internal.ExpandPath(tmhome), "config", "priv_validator_key.json")
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stateFile := filepath.Join(internal.ExpandPath(tmhome), "data", "priv_validator_state.json")
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fpv := privval.LoadFilePV(keyFile, stateFile)
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pkb := [64]byte(fpv.Key.PrivKey.(ed25519.PrivKey))
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if err := ioutil.WriteFile(internal.ExpandPath(outputPath), pkb[:32], 0600); err != nil {
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logger.Info("Failed to write private key", "output", outputPath, "err", err)
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os.Exit(1)
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}
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logger.Info("Successfully wrote private key", "output", outputPath)
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}
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func main() {
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rootCmd.Parse(os.Args[1:])
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if rootCmd.NArg() == 0 || (rootCmd.NArg() == 1 && rootCmd.Arg(0) == "help") {
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rootCmd.Usage()
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os.Exit(0)
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}
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logger = log.NewFilter(logger, log.AllowInfo())
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switch rootCmd.Arg(0) {
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case "help":
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switch rootCmd.Arg(1) {
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case "run":
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runCmd.Usage()
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case "extract_key":
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extractKeyCmd.Usage()
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case "version":
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versionCmd.Usage()
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default:
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fmt.Printf("Unrecognized command: %s\n", rootCmd.Arg(1))
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os.Exit(1)
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}
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case "run":
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runCmd.Parse(os.Args[2:])
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runTestHarness(flagAcceptRetries, flagBindAddr, flagTMHome)
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case "extract_key":
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extractKeyCmd.Parse(os.Args[2:])
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extractKey(flagTMHome, flagKeyOutputPath)
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case "version":
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fmt.Println(version.Version)
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default:
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fmt.Printf("Unrecognized command: %s\n", flag.Arg(0))
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os.Exit(1)
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}
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}
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