chore(eips): Add serde to Authorization types (alloy-rs#964)

* chore(eips): Add serde to Authorization types

* Add Eq and PartialEq

* added nits

crates/eips/src/eip7702/auth_list.rs

@@ -7,6 +7,8 @@ use alloy_rlp::{BufMut, Decodable, Encodable, Header, RlpDecodable, RlpEncodable
 
 /// An unsigned EIP-7702 authorization.
 #[derive(Debug, Clone, RlpEncodable, RlpDecodable, Eq, PartialEq)]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
+#[cfg_attr(feature = "serde", serde(rename_all = "camelCase"))]
 pub struct Authorization {
     /// The chain ID of the authorization.
     pub chain_id: ChainId,
@@ -71,8 +73,10 @@ impl Authorization {
 }
 
 /// A signed EIP-7702 authorization.
-#[derive(Debug, Clone, RlpEncodable, RlpDecodable)]
+#[derive(Debug, Clone, RlpEncodable, RlpDecodable, Eq, PartialEq)]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub struct SignedAuthorization<S> {
+    #[cfg_attr(feature = "serde", serde(flatten))]
     inner: Authorization,
     signature: S,
 }
@@ -113,7 +117,9 @@ impl<S> Deref for SignedAuthorization<S> {
 
 /// A recovered authorization.
 #[derive(Debug, Clone, Eq, PartialEq)]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub struct RecoveredAuthorization {
+    #[cfg_attr(feature = "serde", serde(flatten))]
     inner: Authorization,
     authority: Option<Address>,
 }
@@ -142,6 +148,7 @@ impl Deref for RecoveredAuthorization {
 ///
 /// The wrapper type is used for RLP encoding and decoding.
 #[derive(Default, Debug, Copy, Clone, Eq, PartialEq)]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub struct OptionalNonce(Option<u64>);
 
 impl OptionalNonce {