Implement `Readable` for `Offer`

When storing `Offer`s, it's useful for them to implement LDK's
deserialization trait.

diff --git a/lightning/src/offers/offer.rs b/lightning/src/offers/offer.rs
index 762bc1f3306555947f8a44aff9799547965753f5..db910b5e1bba361d977448bd6bd53a706cd92cab 100644 (file)
--- a/lightning/src/offers/offer.rs
+++ b/lightning/src/offers/offer.rs
@@ -966,6 +966,13 @@ impl OfferContents {
        }
 }
 
+impl Readable for Offer {
+       fn read<R: io::Read>(reader: &mut R) -> Result<Self, DecodeError> {
+               let bytes: WithoutLength<Vec<u8>> = Readable::read(reader)?;
+               Self::try_from(bytes.0).map_err(|_| DecodeError::InvalidValue)
+       }
+}
+
 impl Writeable for Offer {
        fn write<W: Writer>(&self, writer: &mut W) -> Result<(), io::Error> {
                WithoutLength(&self.bytes).write(writer)