Add AVNU aggregators volume

aggregators/avnu/index.ts

@@ -0,0 +1,34 @@
+import fetchURL from "../../utils/fetchURL"
+import { FetchResult, SimpleAdapter } from "../../adapters/types";
+import { CHAIN } from "../../helpers/chains";
+import { getUniqStartOfTodayTimestamp } from "../../helpers/getUniSubgraphVolume";
+
+const URL = 'https://starknet.api.avnu.fi';
+const endpoint = '/v1/analytics/volumes/';
+const startTimestamp = 1684108800;// 15.05.2023
+
+interface IAPIResponse {
+    date: number;
+    dailyVolume: string;
+    totalVolume: string;
+}
+const fetch = async (timestamp: number): Promise<FetchResult> => {
+    const dayTimestamp = getUniqStartOfTodayTimestamp(new Date(timestamp * 1000));
+    const {dailyVolume, totalVolume}: IAPIResponse = (await fetchURL(`${URL}${endpoint}${timestamp * 1000}`)).data;
+    return {
+        dailyVolume,
+        totalVolume,
+        timestamp: dayTimestamp,
+    };
+}
+
+const adapter: SimpleAdapter = {
+    adapter: {
+        [CHAIN.STARKNET]: {
+          fetch,
+          start: async () => startTimestamp,
+        },
+    },
+};
+
+export default adapter;