pkg/eth/backend.go

@@ -349,8 +349,15 @@ func (b *Backend) BlockByHash(ctx context.Context, hash common.Hash) (*types.Blo
 		return nil, err
 	}
 
+	// Placeholder for withdrawal processing (TODO)
+	var withdrawals types.Withdrawals
+	if b.Config.ChainConfig.IsShanghai(header.Number, header.Time) {
+		// All blocks after Shanghai must include a withdrawals root.
+		withdrawals = make(types.Withdrawals, 0)
+	}
+
 	// Compose everything together into a complete block
-	return types.NewBlock(header, transactions, uncles, receipts, trie.NewEmpty(nil)), err
+	return types.NewBlockWithWithdrawals(header, transactions, uncles, receipts, withdrawals, trie.NewEmpty(nil)), err
 }
 
 // GetHeaderByBlockHash retrieves header for a provided block hash