diff --git a/kairos-contracts/demo-contract/contract/src/constants.rs b/kairos-contracts/demo-contract/contract/src/constants.rs
index 3fc43dad..f33b35b4 100644
--- a/kairos-contracts/demo-contract/contract/src/constants.rs
+++ b/kairos-contracts/demo-contract/contract/src/constants.rs
@@ -4,12 +4,14 @@ pub const KAIROS_DEPOSIT_CONTRACT_PACKAGE: &str = "kairos_contract_package";
 pub const KAIROS_DEPOSIT_CONTRACT_UREF: &str = "demo_contract";
 
 pub const KAIROS_LAST_PROCESSED_DEPOSIT_COUNTER: &str = "last_processed_deposit_counter";
+pub const KAIROS_CURRENT_TRIE_ROOT_HASH: &str = "current_trie_root_hash";
 pub const KAIROS_DEPOSIT_PURSE: &str = "kairos_deposit_purse";
 
 pub const RUNTIME_ARG_TEMP_PURSE: &str = "temp_purse";
-
 pub const RUNTIME_ARG_AMOUNT: &str = "amount";
+pub const RUNTIME_ARG_BATCH: &str = "batch";
 
 pub const EP_INIT_NAME: &str = "init";
 pub const EP_GET_PURSE_NAME: &str = "get_purse";
 pub const EP_DEPOSIT_NAME: &str = "deposit";
+pub const EP_SUBMIT_BATCH_NAME: &str = "submit_batch";
diff --git a/kairos-contracts/demo-contract/contract/src/entry_points.rs b/kairos-contracts/demo-contract/contract/src/entry_points.rs
index ad6fc41e..b3a2b4c2 100644
--- a/kairos-contracts/demo-contract/contract/src/entry_points.rs
+++ b/kairos-contracts/demo-contract/contract/src/entry_points.rs
@@ -1,5 +1,6 @@
 use crate::constants::{
-    EP_DEPOSIT_NAME, EP_GET_PURSE_NAME, EP_INIT_NAME, RUNTIME_ARG_AMOUNT, RUNTIME_ARG_TEMP_PURSE,
+    EP_DEPOSIT_NAME, EP_GET_PURSE_NAME, EP_INIT_NAME, EP_SUBMIT_BATCH_NAME, RUNTIME_ARG_AMOUNT,
+    RUNTIME_ARG_BATCH, RUNTIME_ARG_TEMP_PURSE,
 };
 use alloc::vec;
 use casper_types::{CLType, EntryPoint, EntryPointAccess, EntryPointType, Parameter};
@@ -36,3 +37,13 @@ pub fn deposit() -> EntryPoint {
         EntryPointType::Contract,
     )
 }
+
+pub fn submit_batch() -> EntryPoint {
+    EntryPoint::new(
+        EP_SUBMIT_BATCH_NAME,
+        vec![Parameter::new(RUNTIME_ARG_BATCH, CLType::Any)],
+        CLType::Unit,
+        EntryPointAccess::Public,
+        EntryPointType::Contract,
+    )
+}
diff --git a/kairos-contracts/demo-contract/contract/src/main.rs b/kairos-contracts/demo-contract/contract/src/main.rs
index 780b46d4..2fc74d73 100644
--- a/kairos-contracts/demo-contract/contract/src/main.rs
+++ b/kairos-contracts/demo-contract/contract/src/main.rs
@@ -1,7 +1,7 @@
 #![no_std]
 #![no_main]
 extern crate alloc;
-use alloc::string::ToString;
+use alloc::string::{String, ToString};
 use casper_contract::{
     contract_api::{runtime, storage, system},
     unwrap_or_revert::UnwrapOrRevert,
@@ -13,9 +13,9 @@ use casper_types::{
 };
 mod constants;
 use constants::{
-    KAIROS_DEPOSIT_CONTRACT_NAME, KAIROS_DEPOSIT_CONTRACT_PACKAGE, KAIROS_DEPOSIT_CONTRACT_UREF,
-    KAIROS_DEPOSIT_PURSE, KAIROS_LAST_PROCESSED_DEPOSIT_COUNTER, RUNTIME_ARG_AMOUNT,
-    RUNTIME_ARG_TEMP_PURSE,
+    KAIROS_CURRENT_TRIE_ROOT_HASH, KAIROS_DEPOSIT_CONTRACT_NAME, KAIROS_DEPOSIT_CONTRACT_PACKAGE,
+    KAIROS_DEPOSIT_CONTRACT_UREF, KAIROS_DEPOSIT_PURSE, KAIROS_LAST_PROCESSED_DEPOSIT_COUNTER,
+    RUNTIME_ARG_AMOUNT, RUNTIME_ARG_TEMP_PURSE,
 };
 mod entry_points;
 mod utils;
@@ -57,6 +57,11 @@ pub extern "C" fn get_purse() {
     );
 }
 
+#[no_mangle]
+pub extern "C" fn submit_batch() {
+    todo!("Implement submit_batch entry point");
+}
+
 // Entry point called by a user through session code to deposit funds.
 // Due to Casper < 2.0 purse management and access control, it is necessary that
 // a temporary purse is funded and passed to the deposit contract, since this is
@@ -92,16 +97,24 @@ pub extern "C" fn call() {
         entry_points.add_entry_point(entry_points::init());
         entry_points.add_entry_point(entry_points::get_purse());
         entry_points.add_entry_point(entry_points::deposit());
+        entry_points.add_entry_point(entry_points::submit_batch());
         entry_points
     };
     // this counter will be udpated by the entry point that processes / verifies batches
     let mut named_keys = NamedKeys::new();
     let last_processed_deposit_counter = storage::new_uref(u64::from(0u8));
 
+    let initial_trie_root_hash: Option<String> = None;
+    let current_trie_root_hash = storage::new_uref(initial_trie_root_hash);
+
     named_keys.insert(
         KAIROS_LAST_PROCESSED_DEPOSIT_COUNTER.to_string(),
         last_processed_deposit_counter.into(),
     );
+    named_keys.insert(
+        KAIROS_CURRENT_TRIE_ROOT_HASH.to_string(),
+        current_trie_root_hash.into(),
+    );
 
     let (contract_hash, _) = storage::new_locked_contract(
         entry_points,
diff --git a/kairos-l1-utils/src/lib.rs b/kairos-l1-utils/src/lib.rs
index ff01eeda..82a1dc75 100644
--- a/kairos-l1-utils/src/lib.rs
+++ b/kairos-l1-utils/src/lib.rs
@@ -1,6 +1,5 @@
 use casper_client::{
     get_state_root_hash, query_global_state,
-    rpcs::results::{QueryBalanceResult, ResponseResult},
     types::StoredValue,
     JsonRpcId, Verbosity,
 };
@@ -13,7 +12,7 @@ use casper_client::{
     SuccessResponse,
 };
 use casper_types::{crypto::SecretKey, Key, RuntimeArgs};
-use std::{fs, result};
+use std::fs;
 
 pub const DEFAULT_PAYMENT_AMOUNT: u64 = 1_000_000_000_000;
 
@@ -288,8 +287,6 @@ mod tests {
         .await
         .unwrap();
         println!("Deploy was processed successfully.");
-        thread::sleep(Duration::from_secs(1));
-
         let public_key_path = network.assets_dir.join("users/user-1/public_key.pem");
         let public_key: PublicKey =
             PublicKey::from_file(public_key_path.to_str().unwrap()).unwrap();