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main.go
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main.go
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package main
import (
"flag"
"fmt"
"io/ioutil"
"os"
"path/filepath"
"time"
"github.com/libonomy/aphelion-staking/crypto/ed25519"
"github.com/libonomy/aphelion-staking/libs/log"
"github.com/libonomy/aphelion-staking/privval"
"github.com/libonomy/aphelion-staking/tools/tm-signer-harness/internal"
"github.com/libonomy/aphelion-staking/version"
)
const (
defaultAcceptRetries = 100
defaultBindAddr = "tcp://127.0.0.1:0"
defaultTMHome = "~/.aphelion"
defaultAcceptDeadline = 1
defaultConnDeadline = 3
defaultExtractKeyOutput = "./signing.key"
)
var logger = log.NewTMLogger(log.NewSyncWriter(os.Stdout))
// Command line flags
var (
flagAcceptRetries int
flagBindAddr string
flagTMHome string
flagKeyOutputPath string
)
// Command line commands
var (
rootCmd *flag.FlagSet
runCmd *flag.FlagSet
extractKeyCmd *flag.FlagSet
versionCmd *flag.FlagSet
)
func init() {
rootCmd = flag.NewFlagSet("root", flag.ExitOnError)
rootCmd.Usage = func() {
fmt.Println(`Remote signer test harness for Aphelion.
Usage:
tm-signer-harness <command> [flags]
Available Commands:
extract_key Extracts a signing key from a local Aphelion instance
help Help on the available commands
run Runs the test harness
version Display version information and exit
Use "tm-signer-harness help <command>" for more information about that command.`)
fmt.Println("")
}
runCmd = flag.NewFlagSet("run", flag.ExitOnError)
runCmd.IntVar(&flagAcceptRetries,
"accept-retries",
defaultAcceptRetries,
"The number of attempts to listen for incoming connections")
runCmd.StringVar(&flagBindAddr, "addr", defaultBindAddr, "Bind to this address for the testing")
runCmd.StringVar(&flagTMHome, "tmhome", defaultTMHome, "Path to the Aphelion home directory")
runCmd.Usage = func() {
fmt.Println(`Runs the remote signer test harness for Aphelion.
Usage:
tm-signer-harness run [flags]
Flags:`)
runCmd.PrintDefaults()
fmt.Println("")
}
extractKeyCmd = flag.NewFlagSet("extract_key", flag.ExitOnError)
extractKeyCmd.StringVar(&flagKeyOutputPath,
"output",
defaultExtractKeyOutput,
"Path to which signing key should be written")
extractKeyCmd.StringVar(&flagTMHome, "tmhome", defaultTMHome, "Path to the Aphelion home directory")
extractKeyCmd.Usage = func() {
fmt.Println(`Extracts a signing key from a local Aphelion instance for use in the remote
signer under test.
Usage:
tm-signer-harness extract_key [flags]
Flags:`)
extractKeyCmd.PrintDefaults()
fmt.Println("")
}
versionCmd = flag.NewFlagSet("version", flag.ExitOnError)
versionCmd.Usage = func() {
fmt.Println(`
Prints the Aphelion version for which this remote signer harness was built.
Usage:
tm-signer-harness version`)
fmt.Println("")
}
}
func runTestHarness(acceptRetries int, bindAddr, tmhome string) {
tmhome = internal.ExpandPath(tmhome)
cfg := internal.TestHarnessConfig{
BindAddr: bindAddr,
KeyFile: filepath.Join(tmhome, "config", "priv_validator_key.json"),
StateFile: filepath.Join(tmhome, "data", "priv_validator_state.json"),
GenesisFile: filepath.Join(tmhome, "config", "genesis.json"),
AcceptDeadline: time.Duration(defaultAcceptDeadline) * time.Second,
AcceptRetries: acceptRetries,
ConnDeadline: time.Duration(defaultConnDeadline) * time.Second,
SecretConnKey: ed25519.GenPrivKey(),
ExitWhenComplete: true,
}
harness, err := internal.NewTestHarness(logger, cfg)
if err != nil {
logger.Error(err.Error())
if therr, ok := err.(*internal.TestHarnessError); ok {
os.Exit(therr.Code)
}
os.Exit(internal.ErrOther)
}
harness.Run()
}
func extractKey(tmhome, outputPath string) {
keyFile := filepath.Join(internal.ExpandPath(tmhome), "config", "priv_validator_key.json")
stateFile := filepath.Join(internal.ExpandPath(tmhome), "data", "priv_validator_state.json")
fpv := privval.LoadFilePV(keyFile, stateFile)
pkb := [64]byte(fpv.Key.PrivKey.(ed25519.PrivKeyEd25519))
if err := ioutil.WriteFile(internal.ExpandPath(outputPath), pkb[:32], 0644); err != nil {
logger.Info("Failed to write private key", "output", outputPath, "err", err)
os.Exit(1)
}
logger.Info("Successfully wrote private key", "output", outputPath)
}
func main() {
rootCmd.Parse(os.Args[1:])
if rootCmd.NArg() == 0 || (rootCmd.NArg() == 1 && rootCmd.Arg(0) == "help") {
rootCmd.Usage()
os.Exit(0)
}
logger = log.NewFilter(logger, log.AllowInfo())
switch rootCmd.Arg(0) {
case "help":
switch rootCmd.Arg(1) {
case "run":
runCmd.Usage()
case "extract_key":
extractKeyCmd.Usage()
case "version":
versionCmd.Usage()
default:
fmt.Printf("Unrecognized command: %s\n", rootCmd.Arg(1))
os.Exit(1)
}
case "run":
runCmd.Parse(os.Args[2:])
runTestHarness(flagAcceptRetries, flagBindAddr, flagTMHome)
case "extract_key":
extractKeyCmd.Parse(os.Args[2:])
extractKey(flagTMHome, flagKeyOutputPath)
case "version":
fmt.Println(version.Version)
default:
fmt.Printf("Unrecognized command: %s\n", flag.Arg(0))
os.Exit(1)
}
}