X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning%2Fsrc%2Futil%2Ferrors.rs;h=6495d9de4ed5363fb4a2b70c958366653797121c;hb=c453d04137997f8ca2f79ae123b4915062e2f369;hp=f67621c828ca521f4739d99ec5a54760310cb1a8;hpb=879e309c128e2e2980846bfbb9a80a4c2bf8cbb4;p=rust-lightning

diff --git a/lightning/src/util/errors.rs b/lightning/src/util/errors.rs
index f67621c82..6495d9de4 100644
--- a/lightning/src/util/errors.rs
+++ b/lightning/src/util/errors.rs
@@ -9,11 +9,14 @@
 
 //! 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)]
+#[derive(Clone, PartialEq)]
 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.
@@ -46,6 +49,18 @@ pub enum APIError {
 	/// 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 {
@@ -56,6 +71,9 @@ 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)
+			},
 		}
 	}
 }