listing Grix protocol (DefiLlama#2135)

* asking to list grix protocol as an aggregator-options. we currently provide only 'total notional value' and working on adding last24Hours notional volume

* implementing refactoring notes

* adding daily notional volume

* minor fix

---------

Co-authored-by: g1nt0ki <[email protected]>

adapters/types.ts

@@ -191,4 +191,4 @@ export const whitelistedDimensionKeys = new Set([
 
 export interface IJSON<T> {
   [key: string]: T
-}
+}

aggregator-options/grix/index.ts

@@ -0,0 +1,53 @@
+import { FetchOptions, SimpleAdapter } from "../../adapters/types";
+import { CHAIN } from "../../helpers/chains";
+import { httpGet } from "../../utils/fetchURL";
+
+export type GrixMetricsData = {
+  totalNotionalVolume: string;
+  totalNotionalVolume24Hr: string;
+};
+
+
+const fetchGrix = async ({ endTimestamp}: FetchOptions) => {
+  /** Timestamp representing the end of the 24 hour period */
+  const url = `https://internal-api-dev.grix.finance/volumeData?endTimestamp=${endTimestamp}`;
+
+  const grixMetricsResponse = await httpGet(url);
+  const grixMetricsData = parseGrixMetricsData(grixMetricsResponse);
+
+  if (!grixMetricsData) {
+    throw new Error("No data found when fetching Grix volume data");
+  }
+
+  const totalNotionalVolume = Number(grixMetricsData.totalNotionalVolume);
+  const dailyNotionalVolume = Number(grixMetricsData.totalNotionalVolume24Hr);
+
+  return {
+    totalNotionalVolume,
+    dailyNotionalVolume,
+  };
+};
+
+const parseGrixMetricsData = (result: any): GrixMetricsData | null => {
+  if (typeof result === "object" && result !== null) {
+    return result as GrixMetricsData;
+  }
+  return result ? (JSON.parse(result) as GrixMetricsData) : null;
+};
+
+const grix_adapter: SimpleAdapter = {
+  version: 2,
+  adapter: {
+    [CHAIN.ARBITRUM]: {
+      fetch: fetchGrix,
+      start: "2024-11-01",
+      runAtCurrTime: true, // currently we don't take the timestamp into account, should be changed soon
+      meta: {
+        methodology:
+          "The total value of the underlying assets for all options traded. It is calculated as the spot price (at the trade instance) multiplied by the contract size.",
+      },
+    },
+  },
+};
+
+export default grix_adapter;