refactor: split in multiple functions

Author: gusinacio

common/src/tap/checks/value_check.rs

@@ -68,6 +68,7 @@ impl MinimumValue {
             }
         });
 
+        // we use two different handles because in case one channel breaks we still have the other
         let query_handle = tokio::spawn(async move {
             loop {
                 let query = rx_query.recv().await;
@@ -99,34 +100,41 @@ impl Drop for MinimumValue {
     }
 }
 
-#[async_trait::async_trait]
-impl Check for MinimumValue {
-    async fn check(&self, receipt: &ReceiptWithState<Checking>) -> CheckResult {
-        // get key
-        let key = &receipt.signed_receipt().signature.get_signature_bytes();
+impl MinimumValue {
+    fn get_agora_query(&self, query_id: &SignatureBytes) -> Option<AgoraQuery> {
+        self.query_ids.lock().unwrap().remove(query_id)
+    }
 
+    fn get_expected_value(&self, query_id: &SignatureBytes) -> anyhow::Result<u128> {
         // get query from key
         let agora_query = self
-            .query_ids
-            .lock()
-            .unwrap()
-            .remove(key)
-            .ok_or(anyhow!("No query found"))
-            .map_err(CheckError::Failed)?;
+            .get_agora_query(query_id)
+            .ok_or(anyhow!("No query found"))?;
 
         // get agora model for the allocation_id
         let mut cache = self.cost_model_cache.lock().unwrap();
-
         // on average, we'll have zero or one model
         let models = cache.get_mut(&agora_query.deployment_id);
 
-        // get value
-        let value = receipt.signed_receipt().message.value;
-
         let expected_value = models
             .map(|cache| cache.cost(&agora_query))
             .unwrap_or_default();
 
+        Ok(expected_value)
+    }
+}
+
+#[async_trait::async_trait]
+impl Check for MinimumValue {
+    async fn check(&self, receipt: &ReceiptWithState<Checking>) -> CheckResult {
+        // get key
+        let key = &receipt.signed_receipt().signature.get_signature_bytes();
+
+        let expected_value = self.get_expected_value(key).map_err(CheckError::Failed)?;
+
+        // get value
+        let value = receipt.signed_receipt().message.value;
+
         let should_accept = value >= expected_value;
 
         tracing::trace!(