one file contract

contracts/test-querier/src/lib.rs

@@ -1,5 +1,40 @@
 #[cfg(not(feature = "library"))]
-pub mod contract;
+use cosmwasm_std::entry_point;
+use cosmwasm_std::{
+    to_vec, ContractResult, Deps, DepsMut, Empty, Env, MessageInfo, QueryRequest, QueryResponse,
+    Response, StdError, StdResult, SystemResult,
+};
 
 pub const CONTRACT_NAME: &str = env!("CARGO_PKG_NAME");
 pub const CONTRACT_VERSION: &str = env!("CARGO_PKG_VERSION");
+
+#[cfg(not(feature = "library"))]
+#[entry_point]
+pub fn instantiate(
+    deps: DepsMut,
+    _env: Env,
+    _info: MessageInfo,
+    _msg: Empty,
+) -> StdResult<Response> {
+    cw2::set_contract_version(deps.storage, CONTRACT_NAME, CONTRACT_VERSION)?;
+
+    Ok(Response::new())
+}
+
+#[cfg(not(feature = "library"))]
+#[entry_point]
+pub fn query(deps: Deps, _env: Env, msg: QueryRequest<Empty>) -> StdResult<QueryResponse> {
+    let req_bin = to_vec(&msg).map_err(|serialize_err| {
+        StdError::generic_err(format!("Serializing QueryRequest: {serialize_err}"))
+    })?;
+
+    match deps.querier.raw_query(&req_bin) {
+        SystemResult::Err(system_err) => Err(StdError::generic_err(format!(
+            "Querier system error: {system_err}"
+        ))),
+        SystemResult::Ok(ContractResult::Err(contract_err)) => Err(StdError::generic_err(format!(
+            "Querier contract error: {contract_err}"
+        ))),
+        SystemResult::Ok(ContractResult::Ok(value)) => Ok(value),
+    }
+}