+// This file is Copyright its original authors, visible in version control
+// history.
+//
+// This file is licensed under the Apache License, Version 2.0 <LICENSE-APACHE
+// or http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your option.
+// You may not use this file except in accordance with one or both of these
+// licenses.
+
//! Error types live here.
-use std::fmt;
+use ln::script::ShutdownScript;
+
+use alloc::string::String;
+use core::fmt;
/// Indicates an error on the client's part (usually some variant of attempting to use too-low or
/// too-high values)
+#[derive(Clone)]
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: &'static str
+ err: String
},
/// 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
/// peer, channel at capacity, channel shutting down, etc.
ChannelUnavailable {
/// A human-readable error message
- err: &'static str
+ err: String
},
- /// An attempt to call add/update_monitor returned an Err (ie you did this!), causing the
+ /// An attempt to call watch/update_channel returned an Err (ie you did this!), causing the
/// attempted action to fail.
MonitorUpdateFailed,
+ /// [`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: ShutdownScript,
+ },
}
impl fmt::Debug for APIError {
APIError::RouteError {ref err} => f.write_str(err),
APIError::ChannelUnavailable {ref err} => f.write_str(err),
APIError::MonitorUpdateFailed => f.write_str("Client indicated a channel monitor update failed"),
+ APIError::IncompatibleShutdownScript { ref script } => {
+ write!(f, "Provided a scriptpubkey format not accepted by peer: {}", script)
+ },
}
}
}