/// Error from std::io
Io(/// (C-not exported) as ErrorKind doesn't have a reasonable mapping
::std::io::ErrorKind),
+ /// The message included zlib-compressed values, which we don't support.
+ UnsupportedCompression,
}
/// An init message to be sent or received from a peer
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),
+ DecodeError::UnsupportedCompression => f.write_str("We don't support receiving messages with zlib-compressed fields"),
}
}
}
fn read<R: Read>(r: &mut R) -> Result<Self, DecodeError> {
let chain_hash: BlockHash = Readable::read(r)?;
- // We expect the encoding_len to always includes the 1-byte
- // encoding_type and that short_channel_ids are 8-bytes each
let encoding_len: u16 = Readable::read(r)?;
- if encoding_len == 0 || (encoding_len - 1) % 8 != 0 {
- return Err(DecodeError::InvalidValue);
- }
+ let encoding_type: u8 = Readable::read(r)?;
// Must be encoding_type=0 uncompressed serialization. We do not
// support encoding_type=1 zlib serialization.
- let encoding_type: u8 = Readable::read(r)?;
if encoding_type != EncodingType::Uncompressed as u8 {
+ return Err(DecodeError::UnsupportedCompression);
+ }
+
+ // We expect the encoding_len to always includes the 1-byte
+ // encoding_type and that short_channel_ids are 8-bytes each
+ if encoding_len == 0 || (encoding_len - 1) % 8 != 0 {
return Err(DecodeError::InvalidValue);
}
let number_of_blocks: u32 = Readable::read(r)?;
let sync_complete: bool = Readable::read(r)?;
- // We expect the encoding_len to always includes the 1-byte
- // encoding_type and that short_channel_ids are 8-bytes each
let encoding_len: u16 = Readable::read(r)?;
- if encoding_len == 0 || (encoding_len - 1) % 8 != 0 {
- return Err(DecodeError::InvalidValue);
- }
+ let encoding_type: u8 = Readable::read(r)?;
// Must be encoding_type=0 uncompressed serialization. We do not
// support encoding_type=1 zlib serialization.
- let encoding_type: u8 = Readable::read(r)?;
if encoding_type != EncodingType::Uncompressed as u8 {
+ return Err(DecodeError::UnsupportedCompression);
+ }
+
+ // We expect the encoding_len to always includes the 1-byte
+ // encoding_type and that short_channel_ids are 8-bytes each
+ if encoding_len == 0 || (encoding_len - 1) % 8 != 0 {
return Err(DecodeError::InvalidValue);
}