Reverse byte order in blinding factor hex decoding

Author: Velnbur

src/confidential.rs

@@ -804,7 +804,8 @@ impl hex::FromHex for AssetBlindingFactor {
     type Err = TweakHexDecodeError;
 
     fn from_hex(s: &str) -> Result<Self, Self::Err> {
-        let slice: [u8; 32] = hex_conservative::decode_to_array(s)?;
+        let mut slice: [u8; 32] = hex_conservative::decode_to_array(s)?;
+        slice.reverse();
 
         let inner = Tweak::from_inner(slice)?;
         Ok(AssetBlindingFactor(inner))
@@ -1004,7 +1005,9 @@ impl hex::FromHex for ValueBlindingFactor {
     type Err = TweakHexDecodeError;
 
     fn from_hex(s: &str) -> Result<Self, Self::Err> {
-        let slice: [u8; 32] = hex_conservative::decode_to_array(s)?;
+        let mut slice: [u8; 32] = hex_conservative::decode_to_array(s)?;
+        slice.reverse();
+
         let inner = Tweak::from_inner(slice)?;
         Ok(ValueBlindingFactor(inner))
     }