diff --git a/contracts/cw-law-stone/src/contract.rs b/contracts/cw-law-stone/src/contract.rs
index a00cb966..cb45894b 100644
--- a/contracts/cw-law-stone/src/contract.rs
+++ b/contracts/cw-law-stone/src/contract.rs
@@ -3,6 +3,7 @@ use crate::ContractError::NotImplemented;
 use cosmwasm_std::entry_point;
 use cosmwasm_std::{Binary, Deps, DepsMut, Env, MessageInfo, Response, StdError, StdResult};
 use cw2::set_contract_version;
+use logic_bindings::LogicCustomQuery;
 
 use crate::error::ContractError;
 use crate::msg::{ExecuteMsg, InstantiateMsg, QueryMsg};
@@ -13,7 +14,7 @@ const CONTRACT_VERSION: &str = env!("CARGO_PKG_VERSION");
 
 #[cfg_attr(not(feature = "library"), entry_point)]
 pub fn instantiate(
-    deps: DepsMut<'_>,
+    deps: DepsMut<'_, LogicCustomQuery>,
     _env: Env,
     _info: MessageInfo,
     _msg: InstantiateMsg,
@@ -37,3 +38,57 @@ pub fn execute(
 pub fn query(_deps: Deps<'_>, _env: Env, _msg: QueryMsg) -> StdResult<Binary> {
     Err(StdError::generic_err("Not implemented"))
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    use cosmwasm_std::testing::{mock_env, mock_info, MockQuerierCustomHandlerResult};
+    use cosmwasm_std::{ to_binary, SystemResult, SystemError};
+    use logic_bindings::{Answer, AskResponse, LogicCustomQuery, Substitution, Term, Result as LogicResult};
+    use logic_bindings::testing::mock::mock_dependencies_with_logic_handler;
+
+    fn custom_logic_handler_with_dependencies(dependencies: Vec<String>, request: &LogicCustomQuery) -> MockQuerierCustomHandlerResult {
+        let deps_name = format!("[{}]", &dependencies.join(","));
+        match request {
+            LogicCustomQuery::Ask {
+                query,
+                ..
+            } if query == "source_files(Files)." => SystemResult::Ok(to_binary(&AskResponse {
+                height: 1,
+                gas_used: 1000,
+                answer: Some(Answer {
+                    success: true,
+                    has_more: false,
+                    variables: vec!["Files".to_string()],
+                    results: vec![LogicResult {
+                        substitutions: vec![Substitution {
+                            variable: "Files".to_string(),
+                            term: Term {
+                                name: deps_name,
+                                arguments: vec![],
+                            },
+                        }],
+                    }],
+                }),
+            }).into()),
+            _ => SystemResult::Err(SystemError::InvalidRequest { error: "Ask `souces_files(Files).` predicate not called".to_string(), request: Default::default() })
+        }
+    }
+
+    #[test]
+    fn proper_initialization() {
+        let mut deps = mock_dependencies_with_logic_handler(|request| {
+            custom_logic_handler_with_dependencies(vec!["file1".to_string()], request)
+        });
+
+        let msg = InstantiateMsg {
+            program: Default::default(),
+            storage_address: "".to_string(),
+        };
+        let info = mock_info("creator", &[]);
+
+        let res = instantiate(deps.as_mut(), mock_env(), info, msg).unwrap();
+        assert_eq!(0, res.messages.len());
+    }
+}