Merge pull request #1768 from Allez-xyz/master

Kamino lend interest and fee data

fees/kamino-lending/index.ts

@@ -0,0 +1,57 @@
+import { Adapter, FetchV2 } from "../../adapters/types";
+import fetchURL from "../../utils/fetchURL";
+import { CHAIN } from "../../helpers/chains";
+import { getTimestampAtStartOfPreviousDayUTC } from "../../utils/date";
+
+// Define the URL of the endpoint
+const AllezLabsKaminoFeeEndpoint = 'https://allez-xyz--kamino-fees-api-get-fees-lifetime-kamino.modal.run';
+const KaminoStartTimestamp = 1697068700;
+
+// Function to make the GET request
+const fetch: FetchV2 = async ({ endTimestamp }) =>  {
+    const dayTimestamp = getTimestampAtStartOfPreviousDayUTC(endTimestamp);
+    const historicalFeesRes = (await fetchURL(AllezLabsKaminoFeeEndpoint));
+
+    const totalFee = historicalFeesRes['data']
+    .filter(row => row.timestamp <= dayTimestamp)
+    .reduce((acc, {KlendFeesUsd}) => acc + KlendFeesUsd, 0);
+
+    const totalRevenue = historicalFeesRes['data']
+    .filter(row => row.timestamp <= dayTimestamp)
+    .reduce((acc, {KlendRevenueUsd}) => acc + KlendRevenueUsd, 0);
+
+
+    const dailyFee = historicalFeesRes['data']
+    .find(row => Math.abs(row.timestamp - dayTimestamp) < 3600*24 - 1)?.KlendFeesUsd;
+
+    const dailyRevenue = historicalFeesRes['data']
+    .find(row => Math.abs(row.timestamp - dayTimestamp) < 3600*24 - 1)?.KlendRevenueUsd;
+
+    return {
+        timestamp: dayTimestamp,
+        totalFees: `${totalFee}`,
+        dailyFees: `${dailyFee}`,
+        totalRevenue: `${totalRevenue}`,
+        dailyRevenue: `${dailyRevenue}`
+    };
+};
+const methodology = {
+    Fees: "Fees are aggregated by Allez Labs using the Kamino API"
+}
+
+const adapter: Adapter = {
+    version: 2,
+    adapter: {
+        [CHAIN.SOLANA]: {
+            fetch,
+            runAtCurrTime: true,
+            start: 1697068700,
+            meta: {
+                methodology
+            }
+        }
+    }
+}
+export default adapter;
+
+