diff --git a/node_core/src/lib.rs b/node_core/src/lib.rs
index e3d719f..7d33394 100644
--- a/node_core/src/lib.rs
+++ b/node_core/src/lib.rs
@@ -453,9 +453,9 @@ impl NodeCore {
     ) -> Result<(Transaction, Vec<[u8; 32]>, Vec<[u8; 32]>), ExecutionFailureKind> {
         let acc_map_read_guard = self.storage.read().await;
 
-        let accout = acc_map_read_guard.acc_map.get(&utxos[0].owner).unwrap();
+        let account = acc_map_read_guard.acc_map.get(&utxos[0].owner).unwrap();
 
-        let nsk = accout
+        let nsk = account
             .key_holder
             .utxo_secret_key_holder
             .nullifier_secret_key
@@ -481,7 +481,7 @@ impl NodeCore {
             .map(|utxo| utxo.hash)
             .collect();
 
-        let ephm_key_holder = &accout.produce_ephemeral_key_holder();
+        let ephm_key_holder = &account.produce_ephemeral_key_holder();
         ephm_key_holder.log();
 
         let eph_pub_key =
@@ -528,6 +528,27 @@ impl NodeCore {
 
         commitments.extend(commitments_1);
 
+        // TODO: fix address when correspoding method will be added
+        let sc_addr = "";
+        let mut rng = rand::thread_rng();
+        let secret_r: [u8; 32] = rng.gen();
+
+        let sc_state = acc_map_read_guard.block_store.get_sc_sc_state(sc_addr).map_err(ExecutionFailureKind::db_error)?;
+
+        let mut vec_values_u64: Vec<Vec<u64>> =  sc_state.into_iter().map(|slice| Self::vec_u8_to_vec_u64(slice.to_vec())).collect();
+
+        let context = acc_map_read_guard.produce_context(account.address);
+
+        let serialized_context = serde_json::to_vec(&context).unwrap();
+
+        let serialized_context_u64 = Self::vec_u8_to_vec_u64(serialized_context);
+
+        vec_values_u64.push(serialized_context_u64);
+
+        let vec_public_info: Vec<u64> = vec_values_u64.into_iter().flatten().collect();
+
+        let (tweak, secret_r, commitment) = new_commitment_vec(vec_public_info, &secret_r);
+
         Ok((
             TransactionPayload {
                 tx_kind: TxKind::Private,
@@ -545,6 +566,9 @@ impl NodeCore {
                 .unwrap(),
                 encoded_data,
                 ephemeral_pub_key: eph_pub_key.to_vec(),
+                commitment,
+                tweak,
+                secret_r: secret_r.try_into().unwrap(),
             }
             .into(),
             utxo_hashes_receiver,