[Defiplaza v2 Adapter v1]: Add a maximum allowed target ratio

packages/defiplaza-v2-adapter-v1/src/lib.rs

@@ -24,6 +24,7 @@ define_error! {
     UNEXPECTED_ERROR => "Unexpected Error.";
     INVALID_NUMBER_OF_BUCKETS => "Invalid number of buckets.";
     NO_PAIR_CONFIG => "The pair config of the provided pool is not known.";
+    TARGET_RATIO_EXCEEDS_MAXIMUM => "The target ratio exceeds the allowed maximum";
 }
 
 macro_rules! pool {
@@ -208,6 +209,14 @@ pub mod adapter {
             // Step 1: Get the pair's state
             let pair_state = pool.get_state();
 
+            // Ensure that the pool's target ratio does not exceed the maximum
+            // allowed.
+            assert!(
+                pair_state.target_ratio <= self.max_allowed_target_ratio,
+                "{}",
+                TARGET_RATIO_EXCEEDS_MAXIMUM
+            );
+
             // Step 2: Determine which of the resources is in shortage. The one
             // in shortage is the one that we will be contributing first to the
             // pool. If the pool is in equilibrium then we can pick any of the