//! Error types live here.
-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};
/// Indicates an error on the client's part (usually some variant of attempting to use too-low or
/// too-high values)
-#[must_use]
#[derive(Clone)]
+#[must_use]
#[repr(C)]
pub enum APIError {
/// Indicates the API was wholly misused (see err for more). Cases where these can be returned
/// are documented, but generally indicates some precondition of a function was violated.
APIMisuseError {
/// A human-readable error message
- err: crate::c_types::derived::CVec_u8Z,
+ err: crate::c_types::Str,
},
/// Due to a high feerate, we were unable to complete the request.
/// For example, this may be returned if the feerate implies we cannot open a channel at the
/// requested value, but opening a larger channel would succeed.
FeeRateTooHigh {
/// A human-readable error message
- err: crate::c_types::derived::CVec_u8Z,
+ err: crate::c_types::Str,
/// The feerate which was too high.
feerate: u32,
},
/// A malformed Route was provided (eg overflowed value, node id mismatch, overly-looped route,
/// too-many-hops, etc).
- RouteError {
+ InvalidRoute {
/// A human-readable error message
err: crate::c_types::Str,
},
/// peer, channel at capacity, channel shutting down, etc.
ChannelUnavailable {
/// A human-readable error message
- err: crate::c_types::derived::CVec_u8Z,
+ err: crate::c_types::Str,
+ },
+ /// An attempt to call [`chain::Watch::watch_channel`]/[`chain::Watch::update_channel`]
+ /// returned a [`ChannelMonitorUpdateStatus::InProgress`] indicating the persistence of a
+ /// monitor update is awaiting async resolution. Once it resolves the attempted action should
+ /// complete automatically.
+ ///
+ /// [`chain::Watch::watch_channel`]: crate::chain::Watch::watch_channel
+ /// [`chain::Watch::update_channel`]: crate::chain::Watch::update_channel
+ /// [`ChannelMonitorUpdateStatus::InProgress`]: crate::chain::ChannelMonitorUpdateStatus::InProgress
+ MonitorUpdateInProgress,
+ /// [`KeysInterface::get_shutdown_scriptpubkey`] returned a shutdown scriptpubkey incompatible
+ /// with the channel counterparty as negotiated in [`InitFeatures`].
+ ///
+ /// Using a SegWit v0 script should resolve this issue. If you cannot, you won't be able to open
+ /// a channel or cooperatively close one with this peer (and will have to force-close instead).
+ ///
+ /// [`KeysInterface::get_shutdown_scriptpubkey`]: crate::chain::keysinterface::KeysInterface::get_shutdown_scriptpubkey
+ /// [`InitFeatures`]: crate::ln::features::InitFeatures
+ IncompatibleShutdownScript {
+ /// The incompatible shutdown script.
+ script: crate::lightning::ln::script::ShutdownScript,
},
- /// An attempt to call watch/update_channel returned an Err (ie you did this!), causing the
- /// attempted action to fail.
- MonitorUpdateFailed,
}
-use lightning::util::errors::APIError as nativeAPIError;
+use lightning::util::errors::APIError as APIErrorImport;
+pub(crate) type nativeAPIError = APIErrorImport;
+
impl APIError {
#[allow(unused)]
pub(crate) fn to_native(&self) -> nativeAPIError {
match self {
APIError::APIMisuseError {ref err, } => {
- let mut err_nonref = (*err).clone();
+ let mut err_nonref = Clone::clone(err);
nativeAPIError::APIMisuseError {
- err: String::from_utf8(err_nonref.into_rust()).unwrap(),
+ err: err_nonref.into_string(),
}
},
APIError::FeeRateTooHigh {ref err, ref feerate, } => {
- let mut err_nonref = (*err).clone();
- let mut feerate_nonref = (*feerate).clone();
+ let mut err_nonref = Clone::clone(err);
+ let mut feerate_nonref = Clone::clone(feerate);
nativeAPIError::FeeRateTooHigh {
- err: String::from_utf8(err_nonref.into_rust()).unwrap(),
+ err: err_nonref.into_string(),
feerate: feerate_nonref,
}
},
- APIError::RouteError {ref err, } => {
- let mut err_nonref = (*err).clone();
- nativeAPIError::RouteError {
- err: err_nonref.into(),
+ APIError::InvalidRoute {ref err, } => {
+ let mut err_nonref = Clone::clone(err);
+ nativeAPIError::InvalidRoute {
+ err: err_nonref.into_str(),
}
},
APIError::ChannelUnavailable {ref err, } => {
- let mut err_nonref = (*err).clone();
+ let mut err_nonref = Clone::clone(err);
nativeAPIError::ChannelUnavailable {
- err: String::from_utf8(err_nonref.into_rust()).unwrap(),
+ err: err_nonref.into_string(),
+ }
+ },
+ APIError::MonitorUpdateInProgress => nativeAPIError::MonitorUpdateInProgress,
+ APIError::IncompatibleShutdownScript {ref script, } => {
+ let mut script_nonref = Clone::clone(script);
+ nativeAPIError::IncompatibleShutdownScript {
+ script: *unsafe { Box::from_raw(script_nonref.take_inner()) },
}
},
- APIError::MonitorUpdateFailed => nativeAPIError::MonitorUpdateFailed,
}
}
#[allow(unused)]
match self {
APIError::APIMisuseError {mut err, } => {
nativeAPIError::APIMisuseError {
- err: String::from_utf8(err.into_rust()).unwrap(),
+ err: err.into_string(),
}
},
APIError::FeeRateTooHigh {mut err, mut feerate, } => {
nativeAPIError::FeeRateTooHigh {
- err: String::from_utf8(err.into_rust()).unwrap(),
+ err: err.into_string(),
feerate: feerate,
}
},
- APIError::RouteError {mut err, } => {
- nativeAPIError::RouteError {
- err: err.into(),
+ APIError::InvalidRoute {mut err, } => {
+ nativeAPIError::InvalidRoute {
+ err: err.into_str(),
}
},
APIError::ChannelUnavailable {mut err, } => {
nativeAPIError::ChannelUnavailable {
- err: String::from_utf8(err.into_rust()).unwrap(),
+ err: err.into_string(),
+ }
+ },
+ APIError::MonitorUpdateInProgress => nativeAPIError::MonitorUpdateInProgress,
+ APIError::IncompatibleShutdownScript {mut script, } => {
+ nativeAPIError::IncompatibleShutdownScript {
+ script: *unsafe { Box::from_raw(script.take_inner()) },
}
},
- APIError::MonitorUpdateFailed => nativeAPIError::MonitorUpdateFailed,
}
}
#[allow(unused)]
pub(crate) fn from_native(native: &nativeAPIError) -> Self {
match native {
nativeAPIError::APIMisuseError {ref err, } => {
- let mut err_nonref = (*err).clone();
+ let mut err_nonref = Clone::clone(err);
APIError::APIMisuseError {
- err: err_nonref.into_bytes().into(),
+ err: err_nonref.into(),
}
},
nativeAPIError::FeeRateTooHigh {ref err, ref feerate, } => {
- let mut err_nonref = (*err).clone();
- let mut feerate_nonref = (*feerate).clone();
+ let mut err_nonref = Clone::clone(err);
+ let mut feerate_nonref = Clone::clone(feerate);
APIError::FeeRateTooHigh {
- err: err_nonref.into_bytes().into(),
+ err: err_nonref.into(),
feerate: feerate_nonref,
}
},
- nativeAPIError::RouteError {ref err, } => {
- let mut err_nonref = (*err).clone();
- APIError::RouteError {
+ nativeAPIError::InvalidRoute {ref err, } => {
+ let mut err_nonref = Clone::clone(err);
+ APIError::InvalidRoute {
err: err_nonref.into(),
}
},
nativeAPIError::ChannelUnavailable {ref err, } => {
- let mut err_nonref = (*err).clone();
+ let mut err_nonref = Clone::clone(err);
APIError::ChannelUnavailable {
- err: err_nonref.into_bytes().into(),
+ err: err_nonref.into(),
+ }
+ },
+ nativeAPIError::MonitorUpdateInProgress => APIError::MonitorUpdateInProgress,
+ nativeAPIError::IncompatibleShutdownScript {ref script, } => {
+ let mut script_nonref = Clone::clone(script);
+ APIError::IncompatibleShutdownScript {
+ script: crate::lightning::ln::script::ShutdownScript { inner: ObjOps::heap_alloc(script_nonref), is_owned: true },
}
},
- nativeAPIError::MonitorUpdateFailed => APIError::MonitorUpdateFailed,
}
}
#[allow(unused)]
match native {
nativeAPIError::APIMisuseError {mut err, } => {
APIError::APIMisuseError {
- err: err.into_bytes().into(),
+ err: err.into(),
}
},
nativeAPIError::FeeRateTooHigh {mut err, mut feerate, } => {
APIError::FeeRateTooHigh {
- err: err.into_bytes().into(),
+ err: err.into(),
feerate: feerate,
}
},
- nativeAPIError::RouteError {mut err, } => {
- APIError::RouteError {
+ nativeAPIError::InvalidRoute {mut err, } => {
+ APIError::InvalidRoute {
err: err.into(),
}
},
nativeAPIError::ChannelUnavailable {mut err, } => {
APIError::ChannelUnavailable {
- err: err.into_bytes().into(),
+ err: err.into(),
+ }
+ },
+ nativeAPIError::MonitorUpdateInProgress => APIError::MonitorUpdateInProgress,
+ nativeAPIError::IncompatibleShutdownScript {mut script, } => {
+ APIError::IncompatibleShutdownScript {
+ script: crate::lightning::ln::script::ShutdownScript { inner: ObjOps::heap_alloc(script), is_owned: true },
}
},
- nativeAPIError::MonitorUpdateFailed => APIError::MonitorUpdateFailed,
}
}
}
pub extern "C" fn APIError_clone(orig: &APIError) -> APIError {
orig.clone()
}
+#[no_mangle]
+/// Utility method to constructs a new APIMisuseError-variant APIError
+pub extern "C" fn APIError_apimisuse_error(err: crate::c_types::Str) -> APIError {
+ APIError::APIMisuseError {
+ err,
+ }
+}
+#[no_mangle]
+/// Utility method to constructs a new FeeRateTooHigh-variant APIError
+pub extern "C" fn APIError_fee_rate_too_high(err: crate::c_types::Str, feerate: u32) -> APIError {
+ APIError::FeeRateTooHigh {
+ err,
+ feerate,
+ }
+}
+#[no_mangle]
+/// Utility method to constructs a new InvalidRoute-variant APIError
+pub extern "C" fn APIError_invalid_route(err: crate::c_types::Str) -> APIError {
+ APIError::InvalidRoute {
+ err,
+ }
+}
+#[no_mangle]
+/// Utility method to constructs a new ChannelUnavailable-variant APIError
+pub extern "C" fn APIError_channel_unavailable(err: crate::c_types::Str) -> APIError {
+ APIError::ChannelUnavailable {
+ err,
+ }
+}
+#[no_mangle]
+/// Utility method to constructs a new MonitorUpdateInProgress-variant APIError
+pub extern "C" fn APIError_monitor_update_in_progress() -> APIError {
+ APIError::MonitorUpdateInProgress}
+#[no_mangle]
+/// Utility method to constructs a new IncompatibleShutdownScript-variant APIError
+pub extern "C" fn APIError_incompatible_shutdown_script(script: crate::lightning::ln::script::ShutdownScript) -> APIError {
+ APIError::IncompatibleShutdownScript {
+ script,
+ }
+}
+/// Checks if two APIErrors contain equal inner contents.
+/// This ignores pointers and is_owned flags and looks at the values in fields.
+#[no_mangle]
+pub extern "C" fn APIError_eq(a: &APIError, b: &APIError) -> bool {
+ if &a.to_native() == &b.to_native() { true } else { false }
+}