feat(stateless): make UncompressedPublicKey serializable (#19115)

Signed-off-by: Ignacio Hagopian <jsign.uy@gmail.com>

crates/stateless/src/recover_block.rs

@@ -2,15 +2,28 @@ use crate::validation::StatelessValidationError;
 use alloc::vec::Vec;
 use alloy_consensus::BlockHeader;
 use alloy_primitives::{Address, Signature, B256};
+use core::ops::Deref;
 use reth_chainspec::EthereumHardforks;
 use reth_ethereum_primitives::{Block, TransactionSigned};
 use reth_primitives_traits::{Block as _, RecoveredBlock};
+use serde::{Deserialize, Serialize};
+use serde_with::{serde_as, Bytes};
 
 #[cfg(all(feature = "k256", feature = "secp256k1"))]
 use k256 as _;
 
 /// Serialized uncompressed public key
-pub type UncompressedPublicKey = [u8; 65];
+#[serde_as]
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct UncompressedPublicKey(#[serde_as(as = "Bytes")] pub [u8; 65]);
+
+impl Deref for UncompressedPublicKey {
+    type Target = [u8];
+
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
 
 /// Verifies all transactions in a block against a list of public keys and signatures.
 ///

testing/ef-tests/src/cases/blockchain_test.rs

@@ -433,7 +433,11 @@ where
         .map(|(i, tx)| {
             tx.signature()
                 .recover_from_prehash(&tx.signature_hash())
-                .map(|keys| keys.to_encoded_point(false).as_bytes().try_into().unwrap())
+                .map(|keys| {
+                    UncompressedPublicKey(
+                        keys.to_encoded_point(false).as_bytes().try_into().unwrap(),
+                    )
+                })
                 .map_err(|e| format!("failed to recover signature for tx #{i}: {e}").into())
         })
         .collect::<Result<Vec<UncompressedPublicKey>, _>>()