From a4b3ea165eb2b3a8af575c1ce6d38ce8095ec60c Mon Sep 17 00:00:00 2001
From: optout <13562139+optout21@users.noreply.github.com>
Date: Wed, 27 May 2026 22:07:19 +0200
Subject: [PATCH] Add missing _c wrapper for get_xpub and get_address

---
 Cargo.toml        |  2 +-
 lib-py/Cargo.toml |  4 ++--
 src/lib.rs        | 26 ++++++++++++++++++++++++++
 3 files changed, 29 insertions(+), 3 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index 52456c5..0ce35e2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "dlccryptlib"
-version = "2.0.0"
+version = "2.0.1"
 edition = "2021"
 description = "Library for working with DLC's with adaptor signatures (Discrete Log Contracts), by Cadena Bitcoin"
 license = "MIT"
diff --git a/lib-py/Cargo.toml b/lib-py/Cargo.toml
index 0f2ec19..2a743d7 100644
--- a/lib-py/Cargo.toml
+++ b/lib-py/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "dlccryptlib-py"
-version = "2.0.0"
+version = "2.0.1"
 edition = "2021"
 description = "Python-wrapped library for working with DLC's with adaptor signatures (Discrete Log Contracts), by Cadena Bitcoin"
 license = "MIT"
@@ -9,6 +9,6 @@ license = "MIT"
 name = "dlccryptlib_py"
 
 [dependencies]
-#dlccryptlib = "2.0.0"
+#dlccryptlib = "2.0.1"
 dlccryptlib = { path = "../" }
 pyo3 = { version = "0.23.1" }
diff --git a/src/lib.rs b/src/lib.rs
index 35bdcdb..a9c92c7 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -627,6 +627,32 @@ pub extern "C" fn create_deterministic_nonce_c(event_id: *const c_char, index: u
     }
 }
 
+#[no_mangle]
+pub extern "C" fn get_xpub_c() -> *mut c_char {
+    match get_xpub() {
+        Ok(xpub) => CString::new(xpub).unwrap().into_raw(),
+        Err(e) => error_as_cstr_prefix(e),
+    }
+}
+
+#[no_mangle]
+pub extern "C" fn get_address_c(index4: u32, index5: u32) -> *mut c_char {
+    match get_address(index4, index5) {
+        Ok(address) => CString::new(address).unwrap().into_raw(),
+        Err(e) => error_as_cstr_prefix(e),
+    }
+}
+
+#[no_mangle]
+pub extern "C" fn free_cstring(s: *mut c_char) {
+    unsafe {
+        if s.is_null() {
+            return;
+        }
+        let _ = CString::from_raw(s);
+    }
+}
+
 // Return error with an "ERROR: " prefix, as a C string
 fn error_as_cstr_prefix(error: String) -> *mut c_char {
     CString::new(format!("ERROR: {}", error))