Fix overflow (#5204)

Cargo.lock

@@ -6062,7 +6062,7 @@ dependencies = [
 
 [[package]]
 name = "nym-node-status-api"
-version = "1.0.0-rc.4"
+version = "1.0.0-rc.5"
 dependencies = [
  "anyhow",
  "axum 0.7.7",

nym-node-status-api/nym-node-status-api/Cargo.toml

@@ -3,7 +3,7 @@
 
 [package]
 name = "nym-node-status-api"
-version = "1.0.0-rc.4"
+version = "1.0.0-rc.5"
 authors.workspace = true
 repository.workspace = true
 homepage.workspace = true

nym-node-status-api/nym-node-status-api/src/monitor/mod.rs

@@ -249,7 +249,8 @@ impl Monitor {
             queries::ensure_mixnodes_still_bonded(&pool, &legacy_mixnodes).await?;
 
         let count_bonded_mixnodes_reserve = 0; // TODO: NymAPI doesn't report the reserve set size
-        let count_bonded_mixnodes_inactive = count_bonded_mixnodes - count_bonded_mixnodes_active;
+        let count_bonded_mixnodes_inactive =
+            count_bonded_mixnodes.saturating_sub(count_bonded_mixnodes_active);
 
         let (all_historical_gateways, all_historical_mixnodes) = calculate_stats(&pool).await?;