Bump dependencies to bitcoin 0.27 and bech32 0.8

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

diff --git a/lightning-invoice/src/de.rs b/lightning-invoice/src/de.rs
index 9c5120e4ad67cb2e9ccdc492b0757a8479c380f0..dbcb74e073aeaec450a3333159cfb6ace5232115 100644 (file)
--- a/lightning-invoice/src/de.rs
+++ b/lightning-invoice/src/de.rs
@@ -250,7 +250,13 @@ impl FromStr for SignedRawInvoice {
        type Err = ParseError;
 
        fn from_str(s: &str) -> Result<Self, Self::Err> {
-               let (hrp, data) = bech32::decode(s)?;
+               let (hrp, data, var) = bech32::decode(s)?;
+
+               if var == bech32::Variant::Bech32m {
+                       // Consider Bech32m addresses to be "Invalid Checksum", since that is what we'd get if
+                       // we didn't support Bech32m (which lightning does not use).
+                       return Err(ParseError::Bech32Error(bech32::Error::InvalidChecksum));
+               }
 
                if data.len() < 104 {
                        return Err(ParseError::TooShortDataPart);