Add advance_path_by_one for blinded payment paths

[rust-lightning] / lightning-invoice / src / ser.rs

diff --git a/lightning-invoice/src/ser.rs b/lightning-invoice/src/ser.rs
index dc63783bfa388fc35f7394d8cc243471683df99e..b4f7c778d8af19294499ea4d93cc46fa07daf909 100644 (file)
--- a/lightning-invoice/src/ser.rs
+++ b/lightning-invoice/src/ser.rs
@@ -329,7 +329,7 @@ impl ToBase32 for Fallback {
        fn write_base32<W: WriteBase32>(&self, writer: &mut W) -> Result<(), <W as WriteBase32>::Err> {
                match *self {
                        Fallback::SegWitProgram {version: v, program: ref p} => {
-                               writer.write_u5(Into::<u5>::into(v))?;
+                               writer.write_u5(u5::try_from_u8(v.to_num()).expect("witness version <= 16"))?;
                                p.write_base32(writer)
                        },
                        Fallback::PubKeyHash(ref hash) => {