diff --git a/examples/test.rs b/examples/test.rs
index 3c92ef6..9265f4e 100644
--- a/examples/test.rs
+++ b/examples/test.rs
@@ -6,7 +6,7 @@
 
 use std::ffi::{CStr, CString};
 use std::os::raw::c_char;
-use rustwallet::{new_wallet, get_address, restore_wallet, free_cwallet, sign, CWallet};
+use rustwallet::{new_wallet, get_address, restore_wallet, reset_wallet, free_cwallet, sign, CWallet};
 
 macro_rules! print_cchar{
     ($p1:expr) => (
@@ -70,8 +70,13 @@ fn main() {
         let address3 = get_address(&tmp_cwallet2);
         print_cchar!(address3);
 
-        let sign = sign(&tmp_cwallet2,str_to_cchar!("111"));
-        print_cchar!(sign);
+        let sign_str = sign(&tmp_cwallet2,str_to_cchar!("111"));
+        print_cchar!(sign_str);
+
+        let cwallet3 = reset_wallet(&tmp_cwallet2);
+        print_wallet(&cwallet3);
+        let sign_str2 = sign(&cwallet3, str_to_cchar!("111"));
+        print_cchar!(sign_str2);
         // print_wallet(&tmp_cwallet2);
         // println!("---- saving the wallet to wallet.json ----");
         // save_wallet(&wallet);
diff --git a/src/lib.rs b/src/lib.rs
index b73c567..5d5dc74 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -102,6 +102,15 @@ pub unsafe extern "C" fn restore_wallet(cw: &CWallet) -> CWallet {
     convert_to_cwallet(rust_wallet)
 }
 
+#[no_mangle]
+pub unsafe extern "C" fn reset_wallet(cw: &CWallet) -> CWallet {
+    println!("restore wallet");
+    let rust_wallet = convert_to_rwallet(cw);
+    let rust_wallet2 = rust_wallet.reset_wallet();
+    println!("new rust_wallet: {:?}", &rust_wallet2);
+    convert_to_cwallet(rust_wallet2)
+}
+
 #[no_mangle]
 pub unsafe extern "C" fn free_cwallet(cw: CWallet) {
     drop(CString::from_raw(cw.msg_key));
diff --git a/src/wallet/wallet_impl.rs b/src/wallet/wallet_impl.rs
index 8b65dad..9aae4a2 100644
--- a/src/wallet/wallet_impl.rs
+++ b/src/wallet/wallet_impl.rs
@@ -98,32 +98,32 @@ impl Wallet {
         }
     }
 
-    pub fn restore_wallet(msg: &str, _key_master: &str, _key_second: Option<&str>, _key_backup: Option<&str>) -> Self {
-        let key_second: Option<String> = match _key_second {
-            None => None,
-            Some(val) => Some(val.to_string())
-        };
-        let key_backup: Option<String> = match _key_backup {
-            None => None,
-            Some(val) => Some(val.to_string())
-        };
-        Wallet {
-            msg_key: msg.to_string(), 
-            master_key: _key_master.to_string(), 
-            second_key: key_second, 
-            backup_key: key_backup
-        }
-    }
+    // pub fn restore_wallet(msg: &str, _key_master: &str, _key_second: Option<&str>, _key_backup: Option<&str>) -> Self {
+    //     let key_second: Option<String> = match _key_second {
+    //         None => None,
+    //         Some(val) => Some(val.to_string())
+    //     };
+    //     let key_backup: Option<String> = match _key_backup {
+    //         None => None,
+    //         Some(val) => Some(val.to_string())
+    //     };
+    //     Wallet {
+    //         msg_key: msg.to_string(), 
+    //         master_key: _key_master.to_string(), 
+    //         second_key: key_second, 
+    //         backup_key: key_backup
+    //     }
+    // }
 
-    pub fn reset_eallet(msg: &str, _key_master: &str, _key_second: Option<&str>, _key_backup: Option<&str>) -> Self{
-        let tmp_wallet = Wallet::restore_wallet(msg, _key_master, _key_second, _key_backup);
-        let secret_key = tmp_wallet.get_secret_key();
+    pub fn reset_wallet(&self) -> Self{
+        let secret_key = self.get_secret_key();
         let s = hex::encode(&secret_key.serialize_secret());
-        let shares_str = generate_sss_keypair(msg, &s);
+        let shares_str = generate_sss_keypair(&self.msg_key, &s);
         let second_key = shares_str.get(1).map(String::clone);
         let backup_key = shares_str.get(2).map(String::clone);
+
         Wallet {
-            msg_key: msg.to_string(),
+            msg_key: self.msg_key.clone(),
             master_key: shares_str.get(0).unwrap().to_string(),
             second_key: second_key,
             backup_key: backup_key