refactor: add notifier and subscription to state

Agoric · May 23, 2022 · ed73c57 · ed73c57
1 parent 8e6d356
commit ed73c57
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/packages/run-protocol/src/vpool-xyk-amm/pool.js b/packages/run-protocol/src/vpool-xyk-amm/pool.js
@@ -42,6 +42,8 @@ export const publicPrices = prices => {
  * @typedef {{
  * updater: IterationObserver<any>,
  * notifier: Notifier<any>,
+ * metricsPublication: IterationObserver<PoolMetricsNotification>,
+ * metricsSubscription: Subscription<PoolMetricsNotification>
  * poolSeat: ZCFSeat,
  * liqTokenSupply: bigint,
  * }} MutableState
@@ -123,7 +125,9 @@ const helperBehavior = {
     facets.helper.updateMetrics();
     return 'Added liquidity.';
   },
-  updateMetrics: ({ state, facets }) => {
+  /** @param {MethodContext} context */
+  updateMetrics: context => {
+    const { state, facets } = context;
     const payload = harden({
       Central: facets.pool.getCentralAmount(),
       Secondary: facets.pool.getSecondaryAmount(),