prysm-pulse/tools/unencrypted-keys-gen/main.go
terencechain d17996f8b0
Update to V4 🚀 (#12134)
* Update V3 from V4

* Fix build v3 -> v4

* Update ssz

* Update beacon_chain.pb.go

* Fix formatter import

* Update update-mockgen.sh comment to v4

* Fix conflicts. Pass build and tests

* Fix test
2023-03-17 18:52:56 +00:00

103 lines
2.4 KiB
Go

package main
import (
"flag"
"log"
"os"
"github.com/prysmaticlabs/prysm/v4/crypto/bls"
"github.com/prysmaticlabs/prysm/v4/runtime/interop"
"github.com/prysmaticlabs/prysm/v4/tools/unencrypted-keys-gen/keygen"
)
var (
numKeys = flag.Int("num-keys", 0, "Number of validator private/withdrawal keys to generate")
startIndex = flag.Uint64("start-index", 0, "Start index for the determinstic keygen algorithm")
random = flag.Bool("random", false, "Randomly generate keys")
outputJSON = flag.String("output-json", "", "JSON file to write output to")
overwrite = flag.Bool("overwrite", false, "If the key file exists, it will be overwritten")
)
func main() {
flag.Parse()
if *numKeys == 0 {
log.Fatal("Please specify --num-keys to generate")
}
if *outputJSON == "" {
log.Fatal("Please specify an --output-json file to write the unencrypted keys to")
}
if !*overwrite {
if _, err := os.Stat(*outputJSON); err == nil {
log.Fatal("The file exists. Use a different file name or the --overwrite flag")
}
}
file, err := os.Create(*outputJSON)
if err != nil {
log.Fatal(err)
}
cleanup := func() {
if err := file.Close(); err != nil {
log.Fatal(err)
}
}
defer cleanup()
var ctnr *keygen.UnencryptedKeysContainer
if *random {
ctnr, err = generateRandomKeys(*numKeys)
if err != nil {
// log.Fatal will prevent defer from being called
cleanup()
log.Fatal(err)
}
} else {
ctnr = generateUnencryptedKeys(*startIndex)
}
if err := keygen.SaveUnencryptedKeysToFile(file, ctnr); err != nil {
// log.Fatal will prevent defer from being called
cleanup()
log.Fatal(err)
}
}
func generateRandomKeys(num int) (*keygen.UnencryptedKeysContainer, error) {
ctnr := &keygen.UnencryptedKeysContainer{
Keys: make([]*keygen.UnencryptedKeys, num),
}
for i := 0; i < num; i++ {
sk, err := bls.RandKey()
if err != nil {
return nil, err
}
ctnr.Keys[i] = &keygen.UnencryptedKeys{
ValidatorKey: sk.Marshal(),
WithdrawalKey: sk.Marshal(),
}
}
return ctnr, nil
}
func generateUnencryptedKeys(startIndex uint64) *keygen.UnencryptedKeysContainer {
ctnr := &keygen.UnencryptedKeysContainer{
Keys: make([]*keygen.UnencryptedKeys, *numKeys),
}
sks, _, err := interop.DeterministicallyGenerateKeys(startIndex, uint64(*numKeys))
if err != nil {
panic(err)
}
for i, sk := range sks {
ctnr.Keys[i] = &keygen.UnencryptedKeys{
ValidatorKey: sk.Marshal(),
WithdrawalKey: sk.Marshal(),
}
}
return ctnr
}