From cce349ff15a32991fc2b733327765cfc72aba234 Mon Sep 17 00:00:00 2001
From: Rostyslav Tyshko <tyshko.rostyslav@gmail.com>
Date: Wed, 9 Apr 2025 01:36:23 -0400
Subject: [PATCH] transfer_utxo_deshielded add commitments

---
 node_core/src/lib.rs | 28 ++++++++++++++++++++++++++--
 1 file changed, 26 insertions(+), 2 deletions(-)

diff --git a/node_core/src/lib.rs b/node_core/src/lib.rs
index b02e518..06737a9 100644
--- a/node_core/src/lib.rs
+++ b/node_core/src/lib.rs
@@ -702,11 +702,11 @@ impl NodeCore {
             .unwrap()
             .hash;
 
-        let accout = acc_map_read_guard.acc_map.get(&utxo.owner).unwrap();
+        let account = acc_map_read_guard.acc_map.get(&utxo.owner).unwrap();
 
         let nullifier = generate_nullifiers(
             &utxo,
-            &accout
+            &account
                 .key_holder
                 .utxo_secret_key_holder
                 .nullifier_secret_key
@@ -716,6 +716,27 @@ impl NodeCore {
 
         let (resulting_balances, receipt) = prove_send_utxo_deshielded(utxo, receivers)?;
 
+        // 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::Deshielded,
             execution_input: serde_json::to_vec(&ActionData::SendMoneyDeshieldedTx(
@@ -732,6 +753,9 @@ impl NodeCore {
                 .unwrap(),
             encoded_data: vec![],
             ephemeral_pub_key: vec![],
+            commitment,
+            tweak,
+            secret_r: secret_r.try_into().unwrap(),
         }
         .into())
     }