From 236b10f1c5964f4a271f686032a533ef5f9a8557 Mon Sep 17 00:00:00 2001
From: Alex Metelli <alex-metelli@gmx.com>
Date: Sat, 26 Oct 2024 08:50:44 +0800
Subject: [PATCH] debug

---
 src/block_header.rs |  2 --
 src/eras/genesis.rs |  4 ++--
 src/lib.rs          | 51 +++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 53 insertions(+), 4 deletions(-)

diff --git a/src/block_header.rs b/src/block_header.rs
index 2091c6d..6668a70 100644
--- a/src/block_header.rs
+++ b/src/block_header.rs
@@ -140,8 +140,6 @@ pub trait BlockHeaderTrait {
             content.to_string()
         };
 
-        println!("hex_str: {}", hex_str);
-
         // Decode the hex string
         let bytes = hex::decode(&padded_content).expect("Failed to decode hex string");
 
diff --git a/src/eras/genesis.rs b/src/eras/genesis.rs
index d64b0a8..22a8d60 100644
--- a/src/eras/genesis.rs
+++ b/src/eras/genesis.rs
@@ -63,9 +63,9 @@ impl BlockHeaderGenesis {
     /// A `BlockHeaderGenesis` instance containing the parsed and validated block header data.
     pub fn from_db_header(db_header: VerifiableBlockHeader) -> Self {
         let logs_bloom = <Self as BlockHeaderTrait>::hex_to_fixed_array::<256>(
-            &db_header.logs_bloom.unwrap_or_default(),
+            &db_header.logs_bloom.clone().unwrap_or_default(),
         );
-        let nonce = <Self as BlockHeaderTrait>::hex_to_fixed_array::<8>(&db_header.nonce);
+        let nonce = <Self as BlockHeaderTrait>::hex_to_fixed_array::<8>(&db_header.nonce.clone());
 
         BlockHeaderGenesis {
             parent_hash: H256::from_str(&db_header.parent_hash.unwrap_or_default()).unwrap(),
diff --git a/src/lib.rs b/src/lib.rs
index 3f7ca0b..19ab97d 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -65,3 +65,54 @@ pub fn encode_block_header(
 pub fn decode_block_header(block_number: u64, encoded: &[u8]) -> Option<VerifiableBlockHeader> {
     eras::determine_era_decoder(block_number).and_then(|decoder| decoder(encoded).ok())
 }
+
+#[cfg(test)]
+mod tests {
+    use super::{encode_block_header, decode_block_header};
+    use crate::test_helpers::create_test_block_header_london; // Adjust import as needed
+
+    #[test]
+    fn test_block_header_encoding_decoding_debug() {
+        // Create the test block header for London era
+        let original_header = create_test_block_header_london();
+        let block_number = original_header.number as u64;
+    
+        println!("Original Header: {:#?}", original_header);
+    
+        // Step 1: Encode the block header
+        let encoded = encode_block_header(block_number, original_header.clone())
+            .expect("Encoding failed");
+    
+        println!("Encoded Bytes: {:?}", encoded);
+    
+        // Debug: Reprint encoded bytes as hex
+        let encoded_hex: String = encoded.iter().map(|b| format!("{:02x}", b)).collect();
+        println!("Encoded Hex: {}", encoded_hex);
+    
+        // Step 2: Decode the block header
+        let decoded_header = decode_block_header(block_number, &encoded)
+            .expect("Decoding failed");
+    
+        println!("Decoded Header: {:#?}", decoded_header);
+    
+        // Step 3: Compare individual fields for discrepancies
+        if original_header.parent_hash != decoded_header.parent_hash {
+            println!(
+                "Mismatch in parent_hash:\nOriginal: {}\nDecoded: {}",
+                original_header.parent_hash.clone().unwrap_or_default(),
+                decoded_header.parent_hash.clone().unwrap_or_default()
+            );
+        }
+        assert_eq!(original_header.parent_hash, decoded_header.parent_hash, "Mismatch in parent_hash");
+    
+        assert_eq!(original_header.nonce, decoded_header.nonce, "Mismatch in nonce");
+    
+        assert_eq!(
+            original_header.base_fee_per_gas, decoded_header.base_fee_per_gas,
+            "Mismatch in base_fee_per_gas"
+        );
+    
+        assert_eq!(original_header, decoded_header, "The original and decoded headers do not match");
+    }    
+
+}