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Accounts V2: Wallet Recover (#6661)

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* Implement derived wallet recover
* Fix log
* Fix tests
* Comments
* Merge branch 'master' of github.com:prysmaticlabs/prysm into derived-recover
* Remove log
* Comments
* Fix fatal
* add comment
* Merge refs/heads/master into derived-recover
* Merge refs/heads/master into derived-recover
* Merge refs/heads/master into derived-recover
* Merge refs/heads/master into derived-recover
This commit is contained in:
Ivan Martinez
2020-07-21 22:41:39 -04:00
committed by GitHub
parent 8a65af168d
commit e0d11ff1d2
10 changed files with 265 additions and 5 deletions
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26
validator/keymanager/v2/derived/derived.go
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@@ -28,6 +28,7 @@ import (
"github.com/prysmaticlabs/prysm/validator/accounts/v2/iface"
v2keymanager "github.com/prysmaticlabs/prysm/validator/keymanager/v2"
"github.com/sirupsen/logrus"
"github.com/tyler-smith/go-bip39"
util "github.com/wealdtech/go-eth2-util"
keystorev4 "github.com/wealdtech/go-eth2-wallet-encryptor-keystorev4"
)
@@ -203,6 +204,31 @@ func InitializeWalletSeedFile(ctx context.Context, password string, skipMnemonic
}, nil
}
// SeedFileFromMnemonic uses the provided mnemonic seed phrase to generate the
// appropriate seed file for recovering a derived wallets.
func SeedFileFromMnemonic(ctx context.Context, mnemonic string, password string) (*SeedConfig, error) {
walletSeed, err := bip39.MnemonicToByteArray(mnemonic)
if err != nil {
return nil, errors.Wrap(err, "could not convert mnemonic to wallet seed")
}
encryptor := keystorev4.New()
cryptoFields, err := encryptor.Encrypt(walletSeed, []byte(password))
if err != nil {
return nil, errors.Wrap(err, "could not encrypt seed phrase into keystore")
}
id, err := uuid.NewRandom()
if err != nil {
return nil, errors.Wrap(err, "could not generate unique UUID")
}
return &SeedConfig{
Crypto: cryptoFields,
ID: id.String(),
NextAccount: 0,
Version: encryptor.Version(),
Name: encryptor.Name(),
}, nil
}
// MarshalEncryptedSeedFile json encodes the seed configuration for a derived keymanager.
func MarshalEncryptedSeedFile(ctx context.Context, seedCfg *SeedConfig) ([]byte, error) {
return json.MarshalIndent(seedCfg, "", "\t")