X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning-c-bindings%2Fsrc%2Flightning%2Fln%2Fscript.rs;h=b051357099df80fcd3bbc983fb2ec1c099137a99;hb=2f70a371708dbfde3fa6abfcc0315736d2795a01;hp=b171adbaf082e1230a2720202fd45acd34f46bd6;hpb=dd5bf474af6c806b20c26f4f2b751f3226a94dfd;p=ldk-c-bindings diff --git a/lightning-c-bindings/src/lightning/ln/script.rs b/lightning-c-bindings/src/lightning/ln/script.rs index b171adb..b051357 100644 --- a/lightning-c-bindings/src/lightning/ln/script.rs +++ b/lightning-c-bindings/src/lightning/ln/script.rs @@ -8,11 +8,13 @@ //! Abstractions for scripts used in the Lightning Network. -use std::str::FromStr; -use std::ffi::c_void; +use alloc::str::FromStr; +use core::ffi::c_void; use core::convert::Infallible; use bitcoin::hashes::Hash; use crate::c_types::*; +#[cfg(feature="no-std")] +use alloc::{vec::Vec, boxed::Box}; use lightning::ln::script::ShutdownScript as nativeShutdownScriptImport; @@ -20,7 +22,7 @@ pub(crate) type nativeShutdownScript = nativeShutdownScriptImport; /// A script pubkey for shutting down a channel as defined by [BOLT #2]. /// -/// [BOLT #2]: https://github.com/lightningnetwork/lightning-rfc/blob/master/02-peer-protocol.md +/// [BOLT #2]: https://github.com/lightning/bolts/blob/master/02-peer-protocol.md #[must_use] #[repr(C)] pub struct ShutdownScript { @@ -49,7 +51,7 @@ 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 pub(crate) extern "C" fn ShutdownScript_free_void(this_ptr: *mut c_void) { - unsafe { let _ = Box::from_raw(this_ptr as *mut nativeShutdownScript); } + let _ = unsafe { Box::from_raw(this_ptr as *mut nativeShutdownScript) }; } #[allow(unused)] impl ShutdownScript { @@ -63,14 +65,14 @@ impl ShutdownScript { pub(crate) fn take_inner(mut self) -> *mut nativeShutdownScript { assert!(self.is_owned); let ret = ObjOps::untweak_ptr(self.inner); - self.inner = std::ptr::null_mut(); + self.inner = core::ptr::null_mut(); ret } } impl Clone for ShutdownScript { fn clone(&self) -> Self { Self { - inner: if <*mut nativeShutdownScript>::is_null(self.inner) { std::ptr::null_mut() } else { + inner: if <*mut nativeShutdownScript>::is_null(self.inner) { core::ptr::null_mut() } else { ObjOps::heap_alloc(unsafe { &*ObjOps::untweak_ptr(self.inner) }.clone()) }, is_owned: true, } @@ -86,6 +88,15 @@ pub(crate) extern "C" fn ShutdownScript_clone_void(this_ptr: *const c_void) -> * pub extern "C" fn ShutdownScript_clone(orig: &ShutdownScript) -> ShutdownScript { orig.clone() } +/// Checks if two ShutdownScripts contain equal inner contents. +/// This ignores pointers and is_owned flags and looks at the values in fields. +/// Two objects with NULL inner values will be considered "equal" here. +#[no_mangle] +pub extern "C" fn ShutdownScript_eq(a: &ShutdownScript, b: &ShutdownScript) -> bool { + if a.inner == b.inner { return true; } + if a.inner.is_null() || b.inner.is_null() { return false; } + if a.get_native_ref() == b.get_native_ref() { true } else { false } +} use lightning::ln::script::InvalidShutdownScript as nativeInvalidShutdownScriptImport; pub(crate) type nativeInvalidShutdownScript = nativeInvalidShutdownScriptImport; @@ -119,7 +130,7 @@ 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 pub(crate) extern "C" fn InvalidShutdownScript_free_void(this_ptr: *mut c_void) { - unsafe { let _ = Box::from_raw(this_ptr as *mut nativeInvalidShutdownScript); } + let _ = unsafe { Box::from_raw(this_ptr as *mut nativeInvalidShutdownScript) }; } #[allow(unused)] impl InvalidShutdownScript { @@ -133,13 +144,13 @@ impl InvalidShutdownScript { pub(crate) fn take_inner(mut self) -> *mut nativeInvalidShutdownScript { assert!(self.is_owned); let ret = ObjOps::untweak_ptr(self.inner); - self.inner = std::ptr::null_mut(); + self.inner = core::ptr::null_mut(); ret } } /// The script that did not meet the requirements from [BOLT #2]. /// -/// [BOLT #2]: https://github.com/lightningnetwork/lightning-rfc/blob/master/02-peer-protocol.md +/// [BOLT #2]: https://github.com/lightning/bolts/blob/master/02-peer-protocol.md #[no_mangle] pub extern "C" fn InvalidShutdownScript_get_script(this_ptr: &InvalidShutdownScript) -> crate::c_types::u8slice { let mut inner_val = &mut this_ptr.get_native_mut_ref().script; @@ -147,7 +158,7 @@ pub extern "C" fn InvalidShutdownScript_get_script(this_ptr: &InvalidShutdownScr } /// The script that did not meet the requirements from [BOLT #2]. /// -/// [BOLT #2]: https://github.com/lightningnetwork/lightning-rfc/blob/master/02-peer-protocol.md +/// [BOLT #2]: https://github.com/lightning/bolts/blob/master/02-peer-protocol.md #[no_mangle] pub extern "C" fn InvalidShutdownScript_set_script(this_ptr: &mut InvalidShutdownScript, mut val: crate::c_types::derived::CVec_u8Z) { unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.script = ::bitcoin::blockdata::script::Script::from(val.into_rust()); @@ -163,7 +174,7 @@ pub extern "C" fn InvalidShutdownScript_new(mut script_arg: crate::c_types::deri impl Clone for InvalidShutdownScript { fn clone(&self) -> Self { Self { - inner: if <*mut nativeInvalidShutdownScript>::is_null(self.inner) { std::ptr::null_mut() } else { + inner: if <*mut nativeInvalidShutdownScript>::is_null(self.inner) { core::ptr::null_mut() } else { ObjOps::heap_alloc(unsafe { &*ObjOps::untweak_ptr(self.inner) }.clone()) }, is_owned: true, } @@ -181,7 +192,7 @@ pub extern "C" fn InvalidShutdownScript_clone(orig: &InvalidShutdownScript) -> I } #[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 { +pub extern "C" fn ShutdownScript_write(obj: &crate::lightning::ln::script::ShutdownScript) -> crate::c_types::derived::CVec_u8Z { crate::c_types::serialize_obj(unsafe { &*obj }.get_native_ref()) } #[no_mangle] @@ -192,23 +203,23 @@ pub(crate) extern "C" fn ShutdownScript_write_void(obj: *const c_void) -> crate: /// 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: Result = 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() }; + 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::native_into(e) }).into() }; local_res } /// Generates a P2WPKH script pubkey from the given [`WPubkeyHash`]. #[must_use] #[no_mangle] -pub extern "C" fn ShutdownScript_new_p2wpkh(pubkey_hash: *const [u8; 20]) -> ShutdownScript { +pub extern "C" fn ShutdownScript_new_p2wpkh(pubkey_hash: *const [u8; 20]) -> crate::lightning::ln::script::ShutdownScript { let mut ret = lightning::ln::script::ShutdownScript::new_p2wpkh(&bitcoin::hash_types::WPubkeyHash::from_hash(bitcoin::hashes::Hash::from_inner(unsafe { *pubkey_hash }.clone()))); - ShutdownScript { inner: ObjOps::heap_alloc(ret), is_owned: true } + crate::lightning::ln::script::ShutdownScript { inner: ObjOps::heap_alloc(ret), is_owned: true } } /// Generates a P2WSH script pubkey from the given [`WScriptHash`]. #[must_use] #[no_mangle] -pub extern "C" fn ShutdownScript_new_p2wsh(script_hash: *const [u8; 32]) -> ShutdownScript { +pub extern "C" fn ShutdownScript_new_p2wsh(script_hash: *const [u8; 32]) -> crate::lightning::ln::script::ShutdownScript { let mut ret = lightning::ln::script::ShutdownScript::new_p2wsh(&bitcoin::hash_types::WScriptHash::from_hash(bitcoin::hashes::Hash::from_inner(unsafe { *script_hash }.clone()))); - ShutdownScript { inner: ObjOps::heap_alloc(ret), is_owned: true } + crate::lightning::ln::script::ShutdownScript { inner: ObjOps::heap_alloc(ret), is_owned: true } } /// Generates a witness script pubkey from the given segwit version and program. @@ -221,8 +232,8 @@ pub extern "C" fn ShutdownScript_new_p2wsh(script_hash: *const [u8; 32]) -> Shut /// This function may return an error if `program` is invalid for the segwit `version`. #[must_use] #[no_mangle] -pub extern "C" fn ShutdownScript_new_witness_program(mut version: u8, mut program: crate::c_types::u8slice) -> crate::c_types::derived::CResult_ShutdownScriptInvalidShutdownScriptZ { - let mut ret = lightning::ln::script::ShutdownScript::new_witness_program(core::num::NonZeroU8::new(version).expect("Value must be non-zero"), program.to_slice()); +pub extern "C" fn ShutdownScript_new_witness_program(mut version: crate::c_types::WitnessVersion, mut program: crate::c_types::u8slice) -> crate::c_types::derived::CResult_ShutdownScriptInvalidShutdownScriptZ { + let mut ret = lightning::ln::script::ShutdownScript::new_witness_program(version.into(), program.to_slice()); let mut local_ret = match ret { 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::script::InvalidShutdownScript { inner: ObjOps::heap_alloc(e), is_owned: true } }).into() }; local_ret } @@ -230,7 +241,7 @@ pub extern "C" fn ShutdownScript_new_witness_program(mut version: u8, mut progra /// Converts the shutdown script into the underlying [`Script`]. #[must_use] #[no_mangle] -pub extern "C" fn ShutdownScript_into_inner(mut this_arg: ShutdownScript) -> crate::c_types::derived::CVec_u8Z { +pub extern "C" fn ShutdownScript_into_inner(mut this_arg: crate::lightning::ln::script::ShutdownScript) -> crate::c_types::derived::CVec_u8Z { let mut ret = (*unsafe { Box::from_raw(this_arg.take_inner()) }).into_inner(); ret.into_bytes().into() } @@ -240,7 +251,7 @@ pub extern "C" fn ShutdownScript_into_inner(mut this_arg: ShutdownScript) -> cra /// Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None #[must_use] #[no_mangle] -pub extern "C" fn ShutdownScript_as_legacy_pubkey(this_arg: &ShutdownScript) -> crate::c_types::PublicKey { +pub extern "C" fn ShutdownScript_as_legacy_pubkey(this_arg: &crate::lightning::ln::script::ShutdownScript) -> crate::c_types::PublicKey { let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.as_legacy_pubkey(); let mut local_ret = if ret.is_none() { crate::c_types::PublicKey::null() } else { { crate::c_types::PublicKey::from_rust(&(ret.unwrap())) } }; local_ret @@ -251,7 +262,7 @@ pub extern "C" fn ShutdownScript_as_legacy_pubkey(this_arg: &ShutdownScript) -> /// Specifically, checks for compliance with feature `option_shutdown_anysegwit`. #[must_use] #[no_mangle] -pub extern "C" fn ShutdownScript_is_compatible(this_arg: &ShutdownScript, features: &crate::lightning::ln::features::InitFeatures) -> bool { +pub extern "C" fn ShutdownScript_is_compatible(this_arg: &crate::lightning::ln::script::ShutdownScript, features: &crate::lightning::ln::features::InitFeatures) -> bool { let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.is_compatible(features.get_native_ref()); ret }