change total supply to effective in the circulating computation

Author: brentstone

swagger.yml

@@ -801,7 +801,7 @@ paths:
   /api/v1/chain/circulating-supply:
     get:
       summary: Get the circulating supply of the native token at the given epoch
-      description: Calculates circulating supply by subtracting locked amounts from multiple excluded addresses from the total supply
+      description: Calculates circulating supply by subtracting locked amounts from multiple excluded addresses from the effective supply
       parameters:
         - in: query
           name: epoch
@@ -1319,7 +1319,7 @@ components:
       properties:
         circulatingSupply:
           type: string
-          description: Circulating supply of the native token (total supply minus locked supply)
+          description: Circulating supply of the native token (effective supply minus locked supply)
     Parameters:
       type: object
       required:

webserver/src/service/chain.rs

@@ -132,9 +132,15 @@ impl ChainService {
             total_locked_amount += locked_amount;
         }
 
-        // Calculate circulating supply = total supply - total locked amount
-        let total_supply_amount = total_supply.total.clone();
-        let circulating_amount = &total_supply_amount - &total_locked_amount;
+        // Calculate circulating supply = effective supply - total locked amount
+        let effective_supply_amount =
+            total_supply.effective.ok_or_else(|| {
+                ChainError::Unknown(
+                    "Effective supply not found for native token".to_string(),
+                )
+            })?;
+        let circulating_amount =
+            &effective_supply_amount - &total_locked_amount;
 
         Ok(CirculatingSupply {
             circulating_supply: circulating_amount.to_string(),