diff --git a/assembler/src/test_data_generator.rs b/assembler/src/test_data_generator.rs
index 967b8524..1ba3b424 100644
--- a/assembler/src/test_data_generator.rs
+++ b/assembler/src/test_data_generator.rs
@@ -4,6 +4,7 @@ mod tests {
     use crate::relocate::{asm_relocate, AsmBundle};
     use log::LevelFilter;
     use std::fs;
+    use std::path::Path;
 
     #[test]
     fn generate_fib() {
@@ -227,6 +228,13 @@ mod tests {
         generate_from_file(
             "system/ContractDeployer_asm.json".to_string(),
             "ContractDeployer.json".to_string(),
+        )
+    }
+    #[test]
+    fn generate_sys() {
+        generate_all_dir(
+            "test_data/asm/sys".to_string(),
+            "test_data/bin/sys".to_string(),
         );
     }
 
@@ -253,4 +261,34 @@ mod tests {
         fs::write(output_path, pretty).unwrap();
         println!("{}", program.bytecode);
     }
+
+    fn generate_all_dir(input_dir: String, output_dir: String) {
+        let out_dir = Path::new(&output_dir);
+        let _ = fs::create_dir_all(out_dir).unwrap();
+        let in_dir = Path::new(input_dir.as_str());
+
+        for entry in fs::read_dir(in_dir).unwrap() {
+            let entry = entry.unwrap();
+            let path = entry.path();
+            if path.is_file() {
+                let json_str = std::fs::read_to_string(&path.as_path()).unwrap();
+                let bundle: AsmBundle = serde_json::from_str(json_str.as_str()).unwrap();
+                let relocated = asm_relocate(bundle).unwrap();
+                let program = encode_to_binary(relocated).unwrap();
+                let out_file_name = path
+                    .file_name()
+                    .unwrap()
+                    .to_str()
+                    .unwrap()
+                    .replace("_asm", "");
+                let output_path = format!("{}/{}", out_dir.display(), out_file_name);
+                let pretty = serde_json::to_string(&program).unwrap();
+                fs::write(output_path, pretty).unwrap();
+                println!(
+                    "finish compile {}",
+                    path.file_name().unwrap().to_str().unwrap()
+                );
+            }
+        }
+    }
 }
diff --git a/core/src/program/binary_program.rs b/core/src/program/binary_program.rs
index 1a0c376b..b81156ae 100644
--- a/core/src/program/binary_program.rs
+++ b/core/src/program/binary_program.rs
@@ -60,7 +60,13 @@ impl BinaryProgram {
 
     pub fn bytecode_u64_array(&self) -> Result<Vec<u64>, ParseIntError> {
         let bytecodes: Vec<&str> = self.bytecode.split('\n').collect();
-        bytecodes.iter().map(|&c| c.parse::<u64>()).collect()
+        bytecodes
+            .iter()
+            .map(|&c| {
+                let instruction_without_prefix = c.trim_start_matches("0x");
+                u64::from_str_radix(instruction_without_prefix, 16)
+            })
+            .collect()
     }
 }
 
diff --git a/core/src/state/mod.rs b/core/src/state/mod.rs
index 9ac90269..4ccc569b 100644
--- a/core/src/state/mod.rs
+++ b/core/src/state/mod.rs
@@ -11,6 +11,7 @@ use plonky2::field::goldilocks_field::GoldilocksField;
 pub mod contracts;
 pub mod error;
 pub mod state_storage;
+pub mod utils;
 
 #[derive(Debug)]
 pub struct NodeState<H> {
diff --git a/core/src/state/state_storage.rs b/core/src/state/state_storage.rs
index a1fa0eaa..42201050 100644
--- a/core/src/state/state_storage.rs
+++ b/core/src/state/state_storage.rs
@@ -5,6 +5,8 @@ use crate::types::storage::{field_arr_to_u8_arr, u8_arr_to_field_arr};
 use plonky2::field::goldilocks_field::GoldilocksField;
 use rocksdb::WriteBatch;
 
+use super::utils::get_prog_hash_cf_key_from_contract_addr;
+
 #[derive(Debug)]
 pub struct StateStorage {
     pub db: RocksDB,
@@ -132,8 +134,8 @@ impl StateStorage {
     pub fn get_contract_map(&self, contract_addr: &TreeValue) -> Result<Vec<u8>, StateError> {
         let cf = self
             .db
-            .cf_sequencer_handle(SequencerColumnFamily::ContractMap);
-        let addr_key = tree_key_to_u8_arr(contract_addr);
+            .cf_sequencer_handle(SequencerColumnFamily::State);
+        let addr_key = get_prog_hash_cf_key_from_contract_addr(contract_addr);
         let res = self.db.get_cf(cf, addr_key);
 
         if let Ok(code) = res {
diff --git a/core/src/state/utils.rs b/core/src/state/utils.rs
new file mode 100644
index 00000000..4186ad68
--- /dev/null
+++ b/core/src/state/utils.rs
@@ -0,0 +1,26 @@
+use plonky2::{field::types::PrimeField64, hash::utils::poseidon_hash_bytes};
+use web3::types::{H256, U256};
+
+use crate::types::merkle_tree::TreeKey;
+
+pub fn get_prog_hash_cf_key_from_contract_addr(contract_addr: &TreeKey) -> [u8; 32] {
+    let address = H256([
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x80, 0x02,
+    ]);
+
+    let slot: [u8; 32] = contract_addr
+        .iter()
+        .flat_map(|&field| field.to_canonical_u64().to_be_bytes().to_vec())
+        .collect::<Vec<u8>>()
+        .try_into()
+        .unwrap();
+    let key = [[0; 32], slot].concat();
+    let key = H256(poseidon_hash_bytes(&key));
+
+    let mut bytes = [0_u8; 64];
+    bytes[0..32].copy_from_slice(&address.0);
+    U256::from(key.to_fixed_bytes()).to_big_endian(&mut bytes[32..64]);
+    poseidon_hash_bytes(&bytes)
+}