X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=src%2Futil%2Ferrors.rs;h=66ddf84d96871857ed027cc5c3c74f3bfb749dfb;hb=608d517f9255d22c641fbaaf9dcb56753f214a00;hp=0700b451c670d67fce74d0a4f3f42a9b2554dacf;hpb=4553369d2049b2995c664ef7690318a45031788c;p=rust-lightning

diff --git a/src/util/errors.rs b/src/util/errors.rs
index 0700b451..66ddf84d 100644
--- a/src/util/errors.rs
+++ b/src/util/errors.rs
@@ -1,15 +1,51 @@
+//! Error types live here.
+
 use std::fmt;
 
+/// Indicates an error on the client's part (usually some variant of attempting to use too-low or
+/// too-high values)
 pub enum APIError {
-	APIMisuseError {err: &'static str},
-	FeeRateTooHigh {err: String, feerate: u64},
+	/// 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
+	},
+	/// 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: String,
+		/// The feerate which was too high.
+		feerate: u64
+	},
+	/// A malformed Route was provided (eg overflowed value, node id mismatch, overly-looped route,
+	/// too-many-hops, etc).
+	RouteError {
+		/// A human-readable error message
+		err: &'static str
+	},
+	/// We were unable to complete the request as the Channel required to do so is unable to
+	/// complete the request (or was not found). This can take many forms, including disconnected
+	/// peer, channel at capacity, channel shutting down, etc.
+	ChannelUnavailable {
+		/// A human-readable error message
+		err: &'static str
+	},
+	/// An attempt to call add_update_monitor returned an Err (ie you did this!), causing the
+	/// attempted action to fail.
+	MonitorUpdateFailed,
 }
 
 impl fmt::Debug for APIError {
-  fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+	fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
 		match *self {
 			APIError::APIMisuseError {ref err} => f.write_str(err),
-			APIError::FeeRateTooHigh {ref err, ref feerate} => write!(f, "{} feerate: {}", err, feerate)
+			APIError::FeeRateTooHigh {ref err, ref feerate} => write!(f, "{} feerate: {}", err, feerate),
+			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"),
 		}
-  }
+	}
 }