Allow creating new accounts to be non-interactive (#6602)

* Allow accounts to be made non-interactively
* Merge branch 'master' of github.com:prysmaticlabs/prysm into make-accounts-noninteractive
* Update validator/node/node.go
* Update validator/accounts/v2/list.go

validator/keymanager/v2/direct/direct.go

@@ -85,12 +85,14 @@ func DefaultConfig() *Config {
 }
 
 // NewKeymanager instantiates a new direct keymanager from configuration options.
-func NewKeymanager(ctx context.Context, wallet Wallet, cfg *Config) (*Keymanager, error) {
+func NewKeymanager(ctx context.Context, wallet Wallet, cfg *Config, skipMnemonicConfirm bool) (*Keymanager, error) {
 	k := &Keymanager{
-		wallet:            wallet,
-		cfg:               cfg,
-		mnemonicGenerator: &EnglishMnemonicGenerator{},
-		keysCache:         make(map[[48]byte]bls.SecretKey),
+		wallet: wallet,
+		cfg:    cfg,
+		mnemonicGenerator: &EnglishMnemonicGenerator{
+			skipMnemonicConfirm: skipMnemonicConfirm,
+		},
+		keysCache: make(map[[48]byte]bls.SecretKey),
 	}
 	// If the wallet has the capability of unlocking accounts using
 	// passphrases, then we initialize a cache of public key -> secret keys

validator/keymanager/v2/direct/mnemonic.go

@@ -20,7 +20,9 @@ type SeedPhraseFactory interface {
 // EnglishMnemonicGenerator implements methods for creating
 // mnemonic seed phrases in english using a given
 // source of entropy such as a private key.
-type EnglishMnemonicGenerator struct{}
+type EnglishMnemonicGenerator struct {
+	skipMnemonicConfirm bool
+}
 
 // Generate a mnemonic seed phrase in english using a source of
 // entropy given as raw bytes.
@@ -42,6 +44,9 @@ func (m *EnglishMnemonicGenerator) ConfirmAcknowledgement(phrase string) error {
 
 ===================================================================
 	`, 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)",