prysm-pulse/validator/keymanager/v2/derived/mnemonic.go
Raul Jordan bc16fa9f50
Accounts V2: Derived Keymanager, Wallet & Account Creation (#6624)
* initialize derived wallet
* derived wallet + account creation
* initialize wallet seed
* encrypted seed file creation
* generate next acct
* create seed from pass
* properly creating derived accounts
* fix up formatting
* prep for review
* start tests for derived create account
* add derived test
* linter
* gaz
* derived keymanager create account test complete
* Merge branch 'master' into derived-keymanager
* tests pass
* gaz
* fix list test
* Merge refs/heads/master into derived-keymanager
* ivan feedback
* skip mnemonic confirm
* Merge branch 'derived-keymanager' of github.com:prysmaticlabs/prysm into derived-keymanager
* comment
* tidy
* fmt
* organize
* test interface conformity
* Update validator/accounts/v2/iface/wallet.go
* ivan comments
* Merge branch 'derived-keymanager' of github.com:prysmaticlabs/prysm into derived-keymanager
* Merge refs/heads/master into derived-keymanager
* Merge branch 'master' of github.com:prysmaticlabs/prysm into derived-keymanager
* Fix
* Fix test
* Merge refs/heads/master into derived-keymanager
* fix errs
* imports
* Gaz
2020-07-21 02:05:23 +00:00

66 lines
1.9 KiB
Go

package derived
import (
"fmt"
"github.com/manifoldco/promptui"
"github.com/tyler-smith/go-bip39"
)
// SeedPhraseFactory defines a struct which
// can generate new seed phrases in human-readable
// format from a source of entropy in raw bytes. It
// also provides methods for verifying a user has successfully
// acknowledged the mnemonic phrase and written it down offline.
type SeedPhraseFactory interface {
Generate(data []byte) (string, error)
ConfirmAcknowledgement(phrase string) error
}
// EnglishMnemonicGenerator implements methods for creating
// mnemonic seed phrases in english using a given
// source of entropy such as a private key.
type EnglishMnemonicGenerator struct {
skipMnemonicConfirm bool
}
// Generate a mnemonic seed phrase in english using a source of
// entropy given as raw bytes.
func (m *EnglishMnemonicGenerator) Generate(data []byte) (string, error) {
return bip39.NewMnemonic(data)
}
// ConfirmAcknowledgement displays the mnemonic phrase to the user
// and confirms the user has written down the phrase securely offline.
func (m *EnglishMnemonicGenerator) ConfirmAcknowledgement(phrase string) error {
log.Info(
"Write down the sentence below, as it is your only " +
"means of recovering your wallet",
)
fmt.Printf(`
=================Wallet Seed Recovery Phrase====================
%s
===================================================================
`, phrase)
if m.skipMnemonicConfirm {
return nil
}
// Confirm the user has written down the mnemonic phrase offline.
prompt := promptui.Prompt{
Label: "Confirm you have written down the recovery words somewhere safe (offline)",
IsConfirm: true,
}
expected := "y"
var result string
var err error
for result != expected {
result, err = prompt.Run()
if err != nil {
log.Errorf("Could not confirm acknowledgement of prompt, please enter y")
}
}
return nil
}