add deserialize_uncompressed to GenericSignature

crypto/bls/src/generic_signature.rs

@@ -40,6 +40,9 @@ pub trait TSignature<GenericPublicKey>: Sized + Clone {
     /// Deserialize `self` from compressed bytes.
     fn deserialize(bytes: &[u8]) -> Result<Self, Error>;
 
+    /// Serialize `self` from uncompressed bytes.
+    fn deserialize_uncompressed(bytes: &[u8]) -> Result<Self, Error>;
+
     /// Returns `true` if `self` is a signature across `msg` by `pubkey`.
     fn verify(&self, pubkey: &GenericPublicKey, msg: Hash256) -> bool;
 }

crypto/bls/src/impls/blst.rs

@@ -198,6 +198,10 @@ impl TSignature<blst_core::PublicKey> for blst_core::Signature {
         Self::from_bytes(bytes).map_err(Into::into)
     }
 
+    fn deserialize_uncompressed(bytes: &[u8]) -> Result<Self, Error> {
+        Self::deserialize(bytes).map_err(Into::into)
+    }
+
     fn verify(&self, pubkey: &blst_core::PublicKey, msg: Hash256) -> bool {
         // Public keys have already been checked for subgroup and infinity
         // Check Signature inside function for subgroup

crypto/bls/src/impls/fake_crypto.rs

@@ -119,6 +119,10 @@ impl TSignature<PublicKey> for Signature {
         Ok(signature)
     }
 
+    fn deserialize_uncompressed(bytes: &[u8]) -> Result<Self, Error> {
+        Self::deserialize(bytes)
+    }
+
     fn verify(&self, _pubkey: &PublicKey, _msg: Hash256) -> bool {
         true
     }