From f5b0663f6a8f437c8d86433a07cb5aeca53b8c86 Mon Sep 17 00:00:00 2001 From: Matt Corallo Date: Fri, 17 Apr 2020 21:14:54 -0400 Subject: [PATCH] Drop std::error::Error impl for DecodeError It appears to be effectively-deprecated in Rust now, and didn't really appear to serve a lot of purpose anyway. --- lightning/src/ln/msgs.rs | 22 ++++++++-------------- 1 file changed, 8 insertions(+), 14 deletions(-) diff --git a/lightning/src/ln/msgs.rs b/lightning/src/ln/msgs.rs index 9698798c2..b17b4aa08 100644 --- a/lightning/src/ln/msgs.rs +++ b/lightning/src/ln/msgs.rs @@ -23,7 +23,6 @@ use bitcoin::blockdata::script::Script; use ln::features::{ChannelFeatures, InitFeatures, NodeFeatures}; -use std::error::Error; use std::{cmp, fmt}; use std::io::Read; use std::result::Result; @@ -688,21 +687,16 @@ pub(crate) struct OnionErrorPacket { pub(crate) data: Vec, } -impl Error for DecodeError { - fn description(&self) -> &str { - match *self { - DecodeError::UnknownVersion => "Unknown realm byte in Onion packet", - DecodeError::UnknownRequiredFeature => "Unknown required feature preventing decode", - DecodeError::InvalidValue => "Nonsense bytes didn't map to the type they were interpreted as", - DecodeError::ShortRead => "Packet extended beyond the provided bytes", - DecodeError::BadLengthDescriptor => "A length descriptor in the packet didn't describe the later data correctly", - DecodeError::Io(ref e) => e.description(), - } - } -} impl fmt::Display for DecodeError { fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { - f.write_str(self.description()) + match *self { + DecodeError::UnknownVersion => f.write_str("Unknown realm byte in Onion packet"), + DecodeError::UnknownRequiredFeature => f.write_str("Unknown required feature preventing decode"), + DecodeError::InvalidValue => f.write_str("Nonsense bytes didn't map to the type they were interpreted as"), + DecodeError::ShortRead => f.write_str("Packet extended beyond the provided bytes"), + DecodeError::BadLengthDescriptor => f.write_str("A length descriptor in the packet didn't describe the later data correctly"), + DecodeError::Io(ref e) => e.fmt(f), + } } } -- 2.39.5