From 5cda49f996dded1569d39f79d02fa91f053d619c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jon=20H=C3=A4ggblad?= <jon.haggblad@gmail.com>
Date: Sat, 23 Nov 2024 11:19:36 +0100
Subject: [PATCH] Add derive_extended_private_key to DirectSecp256k1HdWallet
 (#5167)

---
 .../validator-client/src/signing/direct_wallet.rs          | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/common/client-libs/validator-client/src/signing/direct_wallet.rs b/common/client-libs/validator-client/src/signing/direct_wallet.rs
index daeb4bc447..12af8b485f 100644
--- a/common/client-libs/validator-client/src/signing/direct_wallet.rs
+++ b/common/client-libs/validator-client/src/signing/direct_wallet.rs
@@ -98,6 +98,13 @@ impl DirectSecp256k1HdWallet {
         Ok((private_key, public_key))
     }
 
+    pub fn derive_extended_private_key(
+        &self,
+        hd_path: &DerivationPath,
+    ) -> Result<XPrv, DirectSecp256k1HdWalletError> {
+        Ok(XPrv::derive_from_path(self.seed, hd_path)?)
+    }
+
     pub fn try_derive_accounts(&self) -> Result<Vec<AccountData>, DirectSecp256k1HdWalletError> {
         let mut accounts = Vec::with_capacity(self.accounts.len());
         for derivation_info in &self.accounts {