Merge pull request #51 from TheBlueMatt/main

[ldk-c-bindings] / lightning-c-bindings / src / lightning / ln / script.rs

diff --git a/lightning-c-bindings/src/lightning/ln/script.rs b/lightning-c-bindings/src/lightning/ln/script.rs
index dcb49ddf51dddb80f54edee13e373c04e4cf86ec..b171adbaf082e1230a2720202fd45acd34f46bd6 100644 (file)
--- a/lightning-c-bindings/src/lightning/ln/script.rs
+++ b/lightning-c-bindings/src/lightning/ln/script.rs
@@ -10,12 +10,13 @@
 
 use std::str::FromStr;
 use std::ffi::c_void;
+use core::convert::Infallible;
 use bitcoin::hashes::Hash;
 use crate::c_types::*;
 
 
 use lightning::ln::script::ShutdownScript as nativeShutdownScriptImport;
-type nativeShutdownScript = nativeShutdownScriptImport;
+pub(crate) type nativeShutdownScript = nativeShutdownScriptImport;
 
 /// A script pubkey for shutting down a channel as defined by [BOLT #2].
 ///
@@ -47,7 +48,7 @@ impl Drop for ShutdownScript {
 pub extern "C" fn ShutdownScript_free(this_obj: ShutdownScript) { }
 #[allow(unused)]
 /// Used only if an object of this type is returned as a trait impl by a method
-extern "C" fn ShutdownScript_free_void(this_ptr: *mut c_void) {
+pub(crate) extern "C" fn ShutdownScript_free_void(this_ptr: *mut c_void) {
        unsafe { let _ = Box::from_raw(this_ptr as *mut nativeShutdownScript); }
 }
 #[allow(unused)]
@@ -87,7 +88,7 @@ pub extern "C" fn ShutdownScript_clone(orig: &ShutdownScript) -> ShutdownScript
 }
 
 use lightning::ln::script::InvalidShutdownScript as nativeInvalidShutdownScriptImport;
-type nativeInvalidShutdownScript = nativeInvalidShutdownScriptImport;
+pub(crate) type nativeInvalidShutdownScript = nativeInvalidShutdownScriptImport;
 
 /// An error occurring when converting from [`Script`] to [`ShutdownScript`].
 #[must_use]
@@ -117,7 +118,7 @@ impl Drop for InvalidShutdownScript {
 pub extern "C" fn InvalidShutdownScript_free(this_obj: InvalidShutdownScript) { }
 #[allow(unused)]
 /// Used only if an object of this type is returned as a trait impl by a method
-extern "C" fn InvalidShutdownScript_free_void(this_ptr: *mut c_void) {
+pub(crate) extern "C" fn InvalidShutdownScript_free_void(this_ptr: *mut c_void) {
        unsafe { let _ = Box::from_raw(this_ptr as *mut nativeInvalidShutdownScript); }
 }
 #[allow(unused)]
@@ -159,6 +160,25 @@ pub extern "C" fn InvalidShutdownScript_new(mut script_arg: crate::c_types::deri
                script: ::bitcoin::blockdata::script::Script::from(script_arg.into_rust()),
        }), is_owned: true }
 }
+impl Clone for InvalidShutdownScript {
+       fn clone(&self) -> Self {
+               Self {
+                       inner: if <*mut nativeInvalidShutdownScript>::is_null(self.inner) { std::ptr::null_mut() } else {
+                               ObjOps::heap_alloc(unsafe { &*ObjOps::untweak_ptr(self.inner) }.clone()) },
+                       is_owned: true,
+               }
+       }
+}
+#[allow(unused)]
+/// Used only if an object of this type is returned as a trait impl by a method
+pub(crate) extern "C" fn InvalidShutdownScript_clone_void(this_ptr: *const c_void) -> *mut c_void {
+       Box::into_raw(Box::new(unsafe { (*(this_ptr as *mut nativeInvalidShutdownScript)).clone() })) as *mut c_void
+}
+#[no_mangle]
+/// Creates a copy of the InvalidShutdownScript
+pub extern "C" fn InvalidShutdownScript_clone(orig: &InvalidShutdownScript) -> InvalidShutdownScript {
+       orig.clone()
+}
 #[no_mangle]
 /// Serialize the ShutdownScript object into a byte array which can be read by ShutdownScript_read
 pub extern "C" fn ShutdownScript_write(obj: &ShutdownScript) -> crate::c_types::derived::CVec_u8Z {
@@ -171,26 +191,10 @@ pub(crate) extern "C" fn ShutdownScript_write_void(obj: *const c_void) -> crate:
 #[no_mangle]
 /// Read a ShutdownScript from a byte array, created by ShutdownScript_write
 pub extern "C" fn ShutdownScript_read(ser: crate::c_types::u8slice) -> crate::c_types::derived::CResult_ShutdownScriptDecodeErrorZ {
-       let res = crate::c_types::deserialize_obj(ser);
+       let res: Result<lightning::ln::script::ShutdownScript, lightning::ln::msgs::DecodeError> = crate::c_types::deserialize_obj(ser);
        let mut local_res = match res { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::lightning::ln::script::ShutdownScript { inner: ObjOps::heap_alloc(o), is_owned: true } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::ln::msgs::DecodeError { inner: ObjOps::heap_alloc(e), is_owned: true } }).into() };
        local_res
 }
-/// Generates a P2PKH script pubkey from the given [`PubkeyHash`].
-#[must_use]
-#[no_mangle]
-pub extern "C" fn ShutdownScript_new_p2pkh(pubkey_hash: *const [u8; 20]) -> ShutdownScript {
-       let mut ret = lightning::ln::script::ShutdownScript::new_p2pkh(&bitcoin::hash_types::PubkeyHash::from_hash(bitcoin::hashes::Hash::from_inner(unsafe { *pubkey_hash }.clone())));
-       ShutdownScript { inner: ObjOps::heap_alloc(ret), is_owned: true }
-}
-
-/// Generates a P2SH script pubkey from the given [`ScriptHash`].
-#[must_use]
-#[no_mangle]
-pub extern "C" fn ShutdownScript_new_p2sh(script_hash: *const [u8; 20]) -> ShutdownScript {
-       let mut ret = lightning::ln::script::ShutdownScript::new_p2sh(&bitcoin::hash_types::ScriptHash::from_hash(bitcoin::hashes::Hash::from_inner(unsafe { *script_hash }.clone())));
-       ShutdownScript { inner: ObjOps::heap_alloc(ret), is_owned: true }
-}
-
 /// Generates a P2WPKH script pubkey from the given [`WPubkeyHash`].
 #[must_use]
 #[no_mangle]
@@ -207,7 +211,10 @@ pub extern "C" fn ShutdownScript_new_p2wsh(script_hash: *const [u8; 32]) -> Shut
        ShutdownScript { inner: ObjOps::heap_alloc(ret), is_owned: true }
 }
 
-/// Generates a P2WSH script pubkey from the given segwit version and program.
+/// Generates a witness script pubkey from the given segwit version and program.
+///
+/// Note for version-zero witness scripts you must use [`ShutdownScript::new_p2wpkh`] or
+/// [`ShutdownScript::new_p2wsh`] instead.
 ///
 /// # Errors
 ///