refactor: use simple boolean for parity in signature (#776)

* wip

* fix doc

* fmt

Author: klkvr

crates/primitives/src/lib.rs

@@ -54,7 +54,9 @@ mod signed;
 pub use signed::{BigIntConversionError, ParseSignedError, Sign, Signed};
 
 mod signature;
-pub use signature::{to_eip155_v, Parity, Signature, SignatureError};
+pub use signature::{
+    normalize_v, to_eip155_v, Parity, PrimitiveSignature, Signature, SignatureError,
+};
 
 pub mod utils;
 pub use utils::{eip191_hash_message, keccak256, Keccak256};

crates/primitives/src/signature/mod.rs

@@ -8,4 +8,7 @@ mod sig;
 pub use sig::Signature;
 
 mod utils;
-pub use utils::to_eip155_v;
+pub use utils::{normalize_v, to_eip155_v};
+
+mod primitive_sig;
+pub use primitive_sig::PrimitiveSignature;

crates/primitives/src/signature/parity.rs

@@ -143,7 +143,7 @@ impl Parity {
     #[cfg(feature = "k256")]
     pub const fn recid(&self) -> k256::ecdsa::RecoveryId {
         let recid_opt = match self {
-            Self::Eip155(v) => Some(crate::signature::utils::normalize_v(*v)),
+            Self::Eip155(v) => Some(crate::signature::utils::normalize_v_to_recid(*v)),
             Self::NonEip155(b) | Self::Parity(b) => k256::ecdsa::RecoveryId::from_byte(*b as u8),
         };